[ { "path": ".gitignore", "content": "src/*.class\n" }, { "path": "README.md", "content": "circuit-simulator\n=================\n\nThis is a version of Paul Falstad's circuit simulator (original available at ) with the following improvements:\n\n* fixed import/export when running as an applet\n* it is now possible to save/load to/from a file when running as an application\n* the circuits that appear in the \"Circuit\" menu may now be bundled with the jar file.\n* many interface improvements: double click to edit, Delete key to delete a component, cursor changes to crosshairs when in place mode, Esc goes back to move/interact mode, ...\n* separated keyboard shortcuts from dump types (this makes it easier to configure shortcuts without changing the file format)\n* WireElm is now a subclass of ResistorElm (without this change, whenever you use two switches in parallel, you get the error \"voltage source/wire loop with no resistance\")\n* some cosmetic improvements (like starting with a white background as default)\n\ncompiling and building\n----------------------\n\nIf you have make installed, just `cd` to the *src* directory and run `make`, followed by a `make jar`\n\nIf not, compile with `javac *.java` and build the jar file with `jar cfm circuit.jar Manifest.txt *.class *.txt circuits/`\n\nrunning\n-------\n\nAs an application: `java -jar circuit.jar`\n\nIf you want to use the circuit simulator as an applet, create an html file and load the applet with:\n\n \n Sorry, you need a Java-enabled browser to see the simulation.\n \n \n\nIf you want to enable import/export of circuit files, you must define two javascript helper functions in the same page:\n\n* `exportCircuit(dump)`, whose first parameter is a string describing the circuit in the same format used for the circuit file.\n\n* `importCircuit()`, which must return a string describing the circuit in the same format used for the circuit file.\n\nThe definition of those functions is up to you (for instance, you may copy the string to/from a textarea).\n\nterms and conditions\n--------------------\n\nThe terms and conditions for the original code still apply. Check before redistributing or modifying the code. You must always consult the original licensing information but, in case the link is unavailable, here is a copy of the original license (as of 2013-05-08):\n\n You have permission to use these applets in a classroom setting or take\n screenshots as long as the applets are unmodified. Modification or\n redistribution for non-commercial purposes is allowed, as long as you\n credit me (Paul Falstad) and provide a link to my page (the page you\n found the applet(s) on, or http://www.falstad.com/mathphysics.html).\n\n Contact me for any other uses. The source code for each applet is\n generally available on that applet's web page, but some of the applets\n use third-party source code that has restrictions.\n\n THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED\n WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF\n MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.\n\nRodrigo Hausen's changes are in the public domain (but it would be nice if you credited me alongside Paul if you use this version).\n" }, { "path": "src/ACRailElm.java", "content": " class ACRailElm extends RailElm {\n\tpublic ACRailElm(int xx, int yy) { super(xx, yy, WF_AC); }\n\tClass getDumpClass() { return RailElm.class; }\n\tint getShortcut() { return 0; }\n }\n" }, { "path": "src/ACVoltageElm.java", "content": " class ACVoltageElm extends VoltageElm {\n\tpublic ACVoltageElm(int xx, int yy) { super(xx, yy, WF_AC); }\n\tClass getDumpClass() { return VoltageElm.class; }\n }\n" }, { "path": "src/ADCElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass ADCElm extends ChipElm {\n public ADCElm(int xx, int yy) { super(xx, yy); }\n public ADCElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f, st);\n }\n String getChipName() { return \"ADC\"; }\n boolean needsBits() { return true; }\n void setupPins() {\n\tsizeX = 2;\n\tsizeY = bits > 2 ? bits : 2;\n\tpins = new Pin[getPostCount()];\n\tint i;\n\tfor (i = 0; i != bits; i++) {\n\t pins[i] = new Pin(bits-1-i, SIDE_E, \"D\" + i);\n\t pins[i].output = true;\n\t}\n\tpins[bits] = new Pin(0, SIDE_W, \"In\");\n\tpins[bits+1] = new Pin(sizeY-1, SIDE_W, \"V+\");\n\tallocNodes();\n }\n void execute() {\n\tint imax = (1< 0)\n\t r_on = ei.value;\n\tif (n == 2 && ei.value > 0)\n\t r_off = ei.value;\n }\n}\n\n" }, { "path": "src/AndGateElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class AndGateElm extends GateElm {\n\tpublic AndGateElm(int xx, int yy) { super(xx, yy); }\n\tpublic AndGateElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t}\n\tvoid setPoints() {\n\t super.setPoints();\n\t \n\t // 0=topleft, 1-10 = top curve, 11 = right, 12-21=bottom curve,\n\t // 22 = bottom left\n\t Point triPoints[] = newPointArray(23);\n\t interpPoint2(lead1, lead2, triPoints[0], triPoints[22], 0, hs2);\n\t int i;\n\t for (i = 0; i != 10; i++) {\n\t\tdouble a = i*.1;\n\t\tdouble b = Math.sqrt(1-a*a);\n\t\tinterpPoint2(lead1, lead2,\n\t\t\t triPoints[i+1], triPoints[21-i],\n\t\t\t .5+a/2, b*hs2);\n\t }\n\t triPoints[11] = new Point(lead2);\n\t if (isInverting()) {\n\t\tpcircle = interpPoint(point1, point2, .5+(ww+4)/dn);\n\t\tlead2 = interpPoint(point1, point2, .5+(ww+8)/dn);\n\t }\n\t gatePoly = createPolygon(triPoints);\n\t}\n\tString getGateName() { return \"AND gate\"; }\n\tboolean calcFunction() {\n\t int i;\n\t boolean f = true;\n\t for (i = 0; i != inputCount; i++)\n\t\tf &= getInput(i);\n\t return f;\n\t}\n\tint getDumpType() { return 150; }\n\tint getShortcut() { return '2'; }\n }\n" }, { "path": "src/AntennaElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class AntennaElm extends RailElm {\n\tpublic AntennaElm(int xx, int yy) { super(xx, yy, WF_DC); }\n\tpublic AntennaElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t waveform = WF_DC;\n\t}\n\tdouble fmphase;\n\tvoid stamp() {\n\t sim.stampVoltageSource(0, nodes[0], voltSource);\n\t}\n\tvoid doStep() {\n\t sim.updateVoltageSource(0, nodes[0], voltSource, getVoltage());\n\t}\n\tdouble getVoltage() {\n\t fmphase += 2*pi*(2200+Math.sin(2*pi*sim.t*13)*100)*sim.timeStep;\n\t double fm = 3*Math.sin(fmphase);\n\t return Math.sin(2*pi*sim.t*3000)*(1.3+Math.sin(2*pi*sim.t*12))*3 +\n\t Math.sin(2*pi*sim.t*2710)*(1.3+Math.sin(2*pi*sim.t*13))*3 +\n\t\t Math.sin(2*pi*sim.t*2433)*(1.3+Math.sin(2*pi*sim.t*14))*3 + fm;\n\t}\n\tint getDumpType() { return 'A'; }\n\tint getShortcut() { return 0; }\n }\n" }, { "path": "src/BoxElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\nimport java.util.Vector;\n\nclass BoxElm extends GraphicElm {\n\n public BoxElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tx2 = xx + 16;\n\ty2 = yy + 16;\n\tsetBbox(x, y, x2, y2);\n }\n\n public BoxElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tx2 = xb;\n\ty2 = yb;\n/*\tif ( st.hasMoreTokens() )\n\t\tx = new Integer(st.nextToken()).intValue();\n\tif ( st.hasMoreTokens() )\n\t\ty = new Integer(st.nextToken()).intValue();\n\tif ( st.hasMoreTokens() )\n\t\tx2 = new Integer(st.nextToken()).intValue();\n\tif ( st.hasMoreTokens() )\n\t\ty2 = new Integer(st.nextToken()).intValue();*/\n\tsetBbox(x, y, x2, y2);\n }\n\n String dump() {\n\treturn super.dump();\n }\n\n int getDumpType() { return 'b'; }\n\n void drag(int xx, int yy) {\n\tx = xx;\n\ty = yy;\n }\n\n void draw(Graphics g) {\n\t//g.setColor(needsHighlight() ? selectColor : lightGrayColor);\n\tg.setColor(needsHighlight() ? selectColor : Color.GRAY);\n\tsetBbox(x, y, x2, y2);\n\tif ( x < x2 && y < y2 )\n\t\tg.fillRect(x,y, x2-x, y2-y);\n\telse if ( x > x2 && y < y2 )\n\t\tg.fillRect(x2,y, x-x2, y2-y);\n\telse if ( x < x2 && y > y2 )\n\t\tg.fillRect(x, y2, x2-x, y-y2);\n\telse\n\t\tg.fillRect(x2, y2, x-x2, y-y2);\n }\n\n public EditInfo getEditInfo(int n) {\n\treturn null;\n }\n\n public void setEditValue(int n, EditInfo ei) {\n }\n\n void getInfo(String arr[]) {\n }\n\n @Override\n int getShortcut() { return 0; }\n}\n\n" }, { "path": "src/CC2Elm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class CC2Elm extends ChipElm {\n\tdouble gain;\n\tpublic CC2Elm(int xx, int yy) { super(xx, yy); gain = 1; }\n\tpublic CC2Elm(int xx, int yy, int g) { super(xx, yy); gain = g; }\n\tpublic CC2Elm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t gain = new Double(st.nextToken()).doubleValue();\n\t}\n\tString dump() {\n\t return super.dump() + \" \" + gain;\n\t}\n\tString getChipName() { return \"CC2\"; }\n\tvoid setupPins() {\n\t sizeX = 2;\n\t sizeY = 3;\n\t pins = new Pin[3];\n\t pins[0] = new Pin(0, SIDE_W, \"X\");\n\t pins[0].output = true;\n\t pins[1] = new Pin(2, SIDE_W, \"Y\");\n\t pins[2] = new Pin(1, SIDE_E, \"Z\");\n\t}\n\tvoid getInfo(String arr[]) {\n\t arr[0] = (gain == 1) ? \"CCII+\" : \"CCII-\";\n\t arr[1] = \"X,Y = \" + getVoltageText(volts[0]);\n\t arr[2] = \"Z = \" + getVoltageText(volts[2]);\n\t arr[3] = \"I = \" + getCurrentText(pins[0].current);\n\t}\n\t//boolean nonLinear() { return true; }\n\tvoid stamp() {\n\t // X voltage = Y voltage\n\t sim.stampVoltageSource(0, nodes[0], pins[0].voltSource);\n\t sim.stampVCVS(0, nodes[1], 1, pins[0].voltSource);\n\t // Z current = gain * X current\n\t sim.stampCCCS(0, nodes[2], pins[0].voltSource, gain);\n\t}\n\tvoid draw(Graphics g) {\n\t pins[2].current = pins[0].current * gain;\n\t drawChip(g);\n\t}\n\tint getPostCount() { return 3; }\n\tint getVoltageSourceCount() { return 1; }\n\tint getDumpType() { return 179; }\n }\n\nclass CC2NegElm extends CC2Elm {\n public CC2NegElm(int xx, int yy) { super(xx, yy, -1); }\n Class getDumpClass() { return CC2Elm.class; }\n}\n" }, { "path": "src/CapacitorElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class CapacitorElm extends CircuitElm {\n\tdouble capacitance;\n\tdouble compResistance, voltdiff;\n\tPoint plate1[], plate2[];\n\tpublic static final int FLAG_BACK_EULER = 2;\n\tpublic CapacitorElm(int xx, int yy) {\n\t super(xx, yy);\n\t capacitance = 1e-5;\n\t}\n\tpublic CapacitorElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t capacitance = new Double(st.nextToken()).doubleValue();\n\t voltdiff = new Double(st.nextToken()).doubleValue();\n\t}\n\tboolean isTrapezoidal() { return (flags & FLAG_BACK_EULER) == 0; }\n\tvoid setNodeVoltage(int n, double c) {\n\t super.setNodeVoltage(n, c);\n\t voltdiff = volts[0]-volts[1];\n\t}\n\tvoid reset() {\n\t current = curcount = 0;\n\t // put small charge on caps when reset to start oscillators\n\t voltdiff = 1e-3;\n\t}\n\tint getDumpType() { return 'c'; }\n\tString dump() {\n\t return super.dump() + \" \" + capacitance + \" \" + voltdiff;\n\t}\n\tvoid setPoints() {\n\t super.setPoints();\n\t double f = (dn/2-4)/dn;\n\t // calc leads\n\t lead1 = interpPoint(point1, point2, f);\n\t lead2 = interpPoint(point1, point2, 1-f);\n\t // calc plates\n\t plate1 = newPointArray(2);\n\t plate2 = newPointArray(2);\n\t interpPoint2(point1, point2, plate1[0], plate1[1], f, 12);\n\t interpPoint2(point1, point2, plate2[0], plate2[1], 1-f, 12);\n\t}\n\t\n\tvoid draw(Graphics g) {\n\t int hs = 12;\n\t setBbox(point1, point2, hs);\n\t \n\t // draw first lead and plate\n\t setVoltageColor(g, volts[0]);\n\t drawThickLine(g, point1, lead1);\n\t setPowerColor(g, false);\n\t drawThickLine(g, plate1[0], plate1[1]);\n\t if (sim.powerCheckItem.getState())\n\t\tg.setColor(Color.gray);\n\n\t // draw second lead and plate\n\t setVoltageColor(g, volts[1]);\n\t drawThickLine(g, point2, lead2);\n\t setPowerColor(g, false);\n\t drawThickLine(g, plate2[0], plate2[1]);\n\t \n\t updateDotCount();\n\t if (sim.dragElm != this) {\n\t\tdrawDots(g, point1, lead1, curcount);\n\t\tdrawDots(g, point2, lead2, -curcount);\n\t }\n\t drawPosts(g);\n\t if (sim.showValuesCheckItem.getState()) {\n\t\tString s = getShortUnitText(capacitance, \"F\");\n\t\tdrawValues(g, s, hs);\n\t }\n\t}\n\tvoid stamp() {\n\t // capacitor companion model using trapezoidal approximation\n\t // (Norton equivalent) consists of a current source in\n\t // parallel with a resistor. Trapezoidal is more accurate\n\t // than backward euler but can cause oscillatory behavior\n\t // if RC is small relative to the timestep.\n\t if (isTrapezoidal())\n\t\tcompResistance = sim.timeStep/(2*capacitance);\n\t else\n\t\tcompResistance = sim.timeStep/capacitance;\n\t sim.stampResistor(nodes[0], nodes[1], compResistance);\n\t sim.stampRightSide(nodes[0]);\n\t sim.stampRightSide(nodes[1]);\n\t}\n\tvoid startIteration() {\n\t if (isTrapezoidal())\n\t\tcurSourceValue = -voltdiff/compResistance-current;\n\t else\n\t\tcurSourceValue = -voltdiff/compResistance;\n\t //System.out.println(\"cap \" + compResistance + \" \" + curSourceValue + \" \" + current + \" \" + voltdiff);\n\t}\n\tvoid calculateCurrent() {\n\t double voltdiff = volts[0] - volts[1];\n\t // we check compResistance because this might get called\n\t // before stamp(), which sets compResistance, causing\n\t // infinite current\n\t if (compResistance > 0)\n\t\tcurrent = voltdiff/compResistance + curSourceValue;\n\t}\n\tdouble curSourceValue;\n\tvoid doStep() {\n\t sim.stampCurrentSource(nodes[0], nodes[1], curSourceValue);\n \t}\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"capacitor\";\n\t getBasicInfo(arr);\n\t arr[3] = \"C = \" + getUnitText(capacitance, \"F\");\n\t arr[4] = \"P = \" + getUnitText(getPower(), \"W\");\n\t //double v = getVoltageDiff();\n\t //arr[4] = \"U = \" + getUnitText(.5*capacitance*v*v, \"J\");\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"Capacitance (F)\", capacitance, 0, 0);\n\t if (n == 1) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Trapezoidal Approximation\", isTrapezoidal());\n\t\treturn ei;\n\t }\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0 && ei.value > 0)\n\t\tcapacitance = ei.value;\n\t if (n == 1) {\n\t\tif (ei.checkbox.getState())\n\t\t flags &= ~FLAG_BACK_EULER;\n\t\telse\n\t\t flags |= FLAG_BACK_EULER;\n\t }\n\t}\n\tint getShortcut() { return 'c'; }\n }\n" }, { "path": "src/ChipElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n abstract class ChipElm extends CircuitElm {\n\tint csize, cspc, cspc2;\n\tint bits;\n\tfinal int FLAG_SMALL = 1;\n\tfinal int FLAG_FLIP_X = 1024;\n\tfinal int FLAG_FLIP_Y = 2048;\n\tpublic ChipElm(int xx, int yy) {\n\t super(xx, yy);\n\t if (needsBits())\n\t\tbits = (this instanceof DecadeElm) ? 10 : 4;\n\t noDiagonal = true;\n\t setupPins();\n\t setSize(sim.smallGridCheckItem.getState() ? 1 : 2);\n\t}\n\tpublic ChipElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t if (needsBits())\n\t\tbits = new Integer(st.nextToken()).intValue();\n\t noDiagonal = true;\n\t setupPins();\n\t setSize((f & FLAG_SMALL) != 0 ? 1 : 2);\n\t int i;\n\t for (i = 0; i != getPostCount(); i++) {\n\t\tif (pins[i].state) {\n\t\t volts[i] = new Double(st.nextToken()).doubleValue();\n\t\t pins[i].value = volts[i] > 2.5;\n\t\t}\n\t }\n\t}\n\tboolean needsBits() { return false; }\n\tvoid setSize(int s) {\n\t csize = s;\n\t cspc = 8*s;\n\t cspc2 = cspc*2;\n\t flags &= ~FLAG_SMALL;\n\t flags |= (s == 1) ? FLAG_SMALL : 0;\n\t}\n\tabstract void setupPins();\n\tvoid draw(Graphics g) {\n\t drawChip(g);\n\t}\n\tvoid drawChip(Graphics g) {\n\t int i;\n\t Font f = new Font(\"SansSerif\", 0, 10*csize);\n\t g.setFont(f);\n\t FontMetrics fm = g.getFontMetrics();\n\t for (i = 0; i != getPostCount(); i++) {\n\t\tPin p = pins[i];\n\t\tsetVoltageColor(g, volts[i]);\n\t\tPoint a = p.post;\n\t\tPoint b = p.stub;\n\t\tdrawThickLine(g, a, b);\n\t\tp.curcount = updateDotCount(p.current, p.curcount);\n\t\tdrawDots(g, b, a, p.curcount);\n\t\tif (p.bubble) {\n\t\t g.setColor(sim.printableCheckItem.getState() ?\n\t\t\t Color.white : Color.black);\n\t\t drawThickCircle(g, p.bubbleX, p.bubbleY, 1);\n\t\t g.setColor(lightGrayColor);\n\t\t drawThickCircle(g, p.bubbleX, p.bubbleY, 3);\n\t\t}\n\t\tg.setColor(whiteColor);\n\t\tint sw = fm.stringWidth(p.text);\n\t\tg.drawString(p.text, p.textloc.x-sw/2,\n\t\t\t p.textloc.y+fm.getAscent()/2);\n\t\tif (p.lineOver) {\n\t\t int ya = p.textloc.y-fm.getAscent()/2;\n\t\t g.drawLine(p.textloc.x-sw/2, ya, p.textloc.x+sw/2, ya);\n\t\t}\n\t }\n\t g.setColor(needsHighlight() ? selectColor : lightGrayColor);\n\t drawThickPolygon(g, rectPointsX, rectPointsY, 4);\n\t if (clockPointsX != null)\n\t\tg.drawPolyline(clockPointsX, clockPointsY, 3);\n\t for (i = 0; i != getPostCount(); i++)\n\t\tdrawPost(g, pins[i].post.x, pins[i].post.y, nodes[i]);\n\t}\n\tint rectPointsX[], rectPointsY[];\n\tint clockPointsX[], clockPointsY[];\n\tPin pins[];\n\tint sizeX, sizeY;\n\tboolean lastClock;\n\tvoid drag(int xx, int yy) {\n\t yy = sim.snapGrid(yy);\n\t if (xx < x) {\n\t\txx = x; yy = y;\n\t } else {\n\t\ty = y2 = yy;\n\t\tx2 = sim.snapGrid(xx);\n\t }\n\t setPoints();\n\t}\n\tvoid setPoints() {\n\t if (x2-x > sizeX*cspc2 && this == sim.dragElm)\n\t\tsetSize(2);\n\t int hs = cspc;\n\t int x0 = x+cspc2; int y0 = y;\n\t int xr = x0-cspc;\n\t int yr = y0-cspc;\n\t int xs = sizeX*cspc2;\n\t int ys = sizeY*cspc2;\n\t rectPointsX = new int[] { xr, xr+xs, xr+xs, xr };\n\t rectPointsY = new int[] { yr, yr, yr+ys, yr+ys };\n\t setBbox(xr, yr, rectPointsX[2], rectPointsY[2]);\n\t int i;\n\t for (i = 0; i != getPostCount(); i++) {\n\t\tPin p = pins[i];\n\t\tswitch (p.side) {\n\t\tcase SIDE_N: p.setPoint(x0, y0, 1, 0, 0, -1, 0, 0); break;\n\t\tcase SIDE_S: p.setPoint(x0, y0, 1, 0, 0, 1, 0, ys-cspc2);break;\n\t\tcase SIDE_W: p.setPoint(x0, y0, 0, 1, -1, 0, 0, 0); break;\n\t\tcase SIDE_E: p.setPoint(x0, y0, 0, 1, 1, 0, xs-cspc2, 0);break;\n\t\t}\n\t }\n\t}\n\tPoint getPost(int n) {\n\t return pins[n].post;\n\t}\n\tabstract int getVoltageSourceCount(); // output count\n\tvoid setVoltageSource(int j, int vs) {\n\t int i;\n\t for (i = 0; i != getPostCount(); i++) {\n\t\tPin p = pins[i];\n\t\tif (p.output && j-- == 0) {\n\t\t p.voltSource = vs;\n\t\t return;\n\t\t}\n\t }\n\t System.out.println(\"setVoltageSource failed for \" + this);\n\t}\n\tvoid stamp() {\n\t int i;\n\t for (i = 0; i != getPostCount(); i++) {\n\t\tPin p = pins[i];\n\t\tif (p.output)\n\t\t sim.stampVoltageSource(0, nodes[i], p.voltSource);\n\t }\n\t}\n\tvoid execute() {}\n\tvoid doStep() {\n\t int i;\n\t for (i = 0; i != getPostCount(); i++) {\n\t\tPin p = pins[i];\n\t\tif (!p.output)\n\t\t p.value = volts[i] > 2.5;\n\t }\n\t execute();\n\t for (i = 0; i != getPostCount(); i++) {\n\t\tPin p = pins[i];\n\t\tif (p.output)\n\t\t sim.updateVoltageSource(0, nodes[i], p.voltSource,\n\t\t\t\t\tp.value ? 5 : 0);\n\t }\n\t}\n\tvoid reset() {\n\t int i;\n\t for (i = 0; i != getPostCount(); i++) {\n\t\tpins[i].value = false;\n\t\tpins[i].curcount = 0;\n\t\tvolts[i] = 0;\n\t }\n\t lastClock = false;\n\t}\n\t\n\tString dump() {\n\t int t = getDumpType();\n\t String s = super.dump();\n\t if (needsBits())\n\t\ts += \" \" + bits;\n\t int i;\n\t for (i = 0; i != getPostCount(); i++) {\n\t\tif (pins[i].state)\n\t\t s += \" \" + volts[i];\n\t }\n\t return s;\n\t}\n\t\n\tvoid getInfo(String arr[]) {\n\t arr[0] = getChipName();\n\t int i, a = 1;\n\t for (i = 0; i != getPostCount(); i++) {\n\t\tPin p = pins[i];\n\t\tif (arr[a] != null)\n\t\t arr[a] += \"; \";\n\t\telse\n\t\t arr[a] = \"\";\n\t\tString t = p.text;\n\t\tif (p.lineOver)\n\t\t t += '\\'';\n\t\tif (p.clock)\n\t\t t = \"Clk\";\n\t\tarr[a] += t + \" = \" + getVoltageText(volts[i]);\n\t\tif (i % 2 == 1)\n\t\t a++;\n\t }\n\t}\n\tvoid setCurrent(int x, double c) {\n\t int i;\n\t for (i = 0; i != getPostCount(); i++)\n\t\tif (pins[i].output && pins[i].voltSource == x)\n\t\t pins[i].current = c;\n\t}\n\tString getChipName() { return \"chip\"; }\n\tboolean getConnection(int n1, int n2) { return false; }\n\tboolean hasGroundConnection(int n1) {\n\t return pins[n1].output;\n\t}\n\t\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Flip X\", (flags & FLAG_FLIP_X) != 0);\n\t\treturn ei;\n\t }\n\t if (n == 1) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Flip Y\", (flags & FLAG_FLIP_Y) != 0);\n\t\treturn ei;\n\t }\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0) {\n\t\tif (ei.checkbox.getState())\n\t\t flags |= FLAG_FLIP_X;\n\t\telse\n\t\t flags &= ~FLAG_FLIP_X;\n\t\tsetPoints();\n\t }\n\t if (n == 1) {\n\t\tif (ei.checkbox.getState())\n\t\t flags |= FLAG_FLIP_Y;\n\t\telse\n\t\t flags &= ~FLAG_FLIP_Y;\n\t\tsetPoints();\n\t }\n\t}\n\n\tfinal int SIDE_N = 0;\n\tfinal int SIDE_S = 1;\n\tfinal int SIDE_W = 2;\n\tfinal int SIDE_E = 3;\n\tclass Pin {\n\t Pin(int p, int s, String t) {\n\t\tpos = p; side = s; text = t;\n\t }\n\t Point post, stub;\n\t Point textloc;\n\t int pos, side, voltSource, bubbleX, bubbleY;\n\t String text;\n\t boolean lineOver, bubble, clock, output, value, state;\n\t double curcount, current;\n\t void setPoint(int px, int py, int dx, int dy, int dax, int day,\n\t\t\t int sx, int sy) {\n\t\tif ((flags & FLAG_FLIP_X) != 0) {\n\t\t dx = -dx;\n\t\t dax = -dax;\n\t\t px += cspc2*(sizeX-1);\n\t\t sx = -sx;\n\t\t}\n\t\tif ((flags & FLAG_FLIP_Y) != 0) {\n\t\t dy = -dy;\n\t\t day = -day;\n\t\t py += cspc2*(sizeY-1);\n\t\t sy = -sy;\n\t\t}\n\t\tint xa = px+cspc2*dx*pos+sx;\n\t\tint ya = py+cspc2*dy*pos+sy;\n\t\tpost = new Point(xa+dax*cspc2, ya+day*cspc2);\n\t\tstub = new Point(xa+dax*cspc , ya+day*cspc );\n\t\ttextloc = new Point(xa , ya );\n\t\tif (bubble) {\n\t\t bubbleX = xa+dax*10*csize;\n\t\t bubbleY = ya+day*10*csize;\n\t\t}\n\t\tif (clock) {\n\t\t clockPointsX = new int[3];\n\t\t clockPointsY = new int[3];\n\t\t clockPointsX[0] = xa+dax*cspc-dx*cspc/2;\n\t\t clockPointsY[0] = ya+day*cspc-dy*cspc/2;\n\t\t clockPointsX[1] = xa;\n\t\t clockPointsY[1] = ya;\n\t\t clockPointsX[2] = xa+dax*cspc+dx*cspc/2;\n\t\t clockPointsY[2] = ya+day*cspc+dy*cspc/2;\n\t\t}\n\t }\n\t}\n }\n\n" }, { "path": "src/CirSim.java", "content": "// CirSim.java (c) 2010 by Paul Falstad\n\n// For information about the theory behind this, see Electronic Circuit & System Simulation Methods by Pillage\n\nimport java.io.InputStream;\nimport java.awt.*;\nimport java.awt.image.*;\nimport java.applet.Applet;\nimport java.util.Vector;\nimport java.io.File;\nimport java.util.Random;\nimport java.util.Arrays;\nimport java.lang.Math;\nimport java.net.URL;\nimport java.awt.event.*;\nimport java.io.FilterInputStream;\nimport java.io.ByteArrayOutputStream;\nimport java.util.StringTokenizer;\nimport java.text.DecimalFormat;\nimport java.text.NumberFormat;\nimport java.lang.reflect.Constructor;\nimport java.lang.reflect.Method;\nimport java.net.URLDecoder;\nimport java.net.URLEncoder;\n\npublic class CirSim extends Frame\n implements ComponentListener, ActionListener, AdjustmentListener,\n MouseMotionListener, MouseListener, ItemListener, KeyListener {\n \n Thread engine = null;\n\n Dimension winSize;\n Image dbimage;\n \n Random random;\n public static final int sourceRadius = 7;\n public static final double freqMult = 3.14159265*2*4;\n \n public String getAppletInfo() {\n\treturn \"Circuit by Paul Falstad\";\n }\n\n static Container main;\n Label titleLabel;\n Button resetButton;\n Button dumpMatrixButton;\n MenuItem exportItem, exportLinkItem, importItem, exitItem, undoItem, redoItem,\n\tcutItem, copyItem, pasteItem, selectAllItem, optionsItem;\n Menu optionsMenu;\n Checkbox stoppedCheck;\n CheckboxMenuItem dotsCheckItem;\n CheckboxMenuItem voltsCheckItem;\n CheckboxMenuItem powerCheckItem;\n CheckboxMenuItem smallGridCheckItem;\n CheckboxMenuItem showValuesCheckItem;\n CheckboxMenuItem conductanceCheckItem;\n CheckboxMenuItem euroResistorCheckItem;\n CheckboxMenuItem printableCheckItem;\n CheckboxMenuItem conventionCheckItem;\n CheckboxMenuItem idealWireCheckItem;\n Scrollbar speedBar;\n Scrollbar currentBar;\n Label powerLabel;\n Scrollbar powerBar;\n PopupMenu elmMenu;\n MenuItem elmEditMenuItem;\n MenuItem elmCutMenuItem;\n MenuItem elmCopyMenuItem;\n MenuItem elmDeleteMenuItem;\n MenuItem elmScopeMenuItem;\n PopupMenu scopeMenu;\n PopupMenu transScopeMenu;\n PopupMenu mainMenu;\n CheckboxMenuItem scopeVMenuItem;\n CheckboxMenuItem scopeIMenuItem;\n CheckboxMenuItem scopeMaxMenuItem;\n CheckboxMenuItem scopeMinMenuItem;\n CheckboxMenuItem scopeFreqMenuItem;\n CheckboxMenuItem scopePowerMenuItem;\n CheckboxMenuItem scopeIbMenuItem;\n CheckboxMenuItem scopeIcMenuItem;\n CheckboxMenuItem scopeIeMenuItem;\n CheckboxMenuItem scopeVbeMenuItem;\n CheckboxMenuItem scopeVbcMenuItem;\n CheckboxMenuItem scopeVceMenuItem;\n CheckboxMenuItem scopeVIMenuItem;\n CheckboxMenuItem scopeXYMenuItem;\n CheckboxMenuItem scopeResistMenuItem;\n CheckboxMenuItem scopeVceIcMenuItem;\n MenuItem scopeSelectYMenuItem;\n Class addingClass;\n int mouseMode = MODE_SELECT;\n int tempMouseMode = MODE_SELECT;\n String mouseModeStr = \"Select\";\n static final double pi = 3.14159265358979323846;\n static final int MODE_ADD_ELM = 0;\n static final int MODE_DRAG_ALL = 1;\n static final int MODE_DRAG_ROW = 2;\n static final int MODE_DRAG_COLUMN = 3;\n static final int MODE_DRAG_SELECTED = 4;\n static final int MODE_DRAG_POST = 5;\n static final int MODE_SELECT = 6;\n static final int infoWidth = 120;\n int dragX, dragY, initDragX, initDragY;\n int selectedSource;\n Rectangle selectedArea;\n int gridSize, gridMask, gridRound;\n boolean dragging;\n boolean analyzeFlag;\n boolean dumpMatrix;\n boolean useBufferedImage;\n boolean isMac;\n String ctrlMetaKey;\n double t;\n int pause = 10;\n int scopeSelected = -1;\n int menuScope = -1;\n int hintType = -1, hintItem1, hintItem2;\n String stopMessage;\n double timeStep;\n static final int HINT_LC = 1;\n static final int HINT_RC = 2;\n static final int HINT_3DB_C = 3;\n static final int HINT_TWINT = 4;\n static final int HINT_3DB_L = 5;\n Vector elmList;\n// Vector setupList;\n CircuitElm dragElm, menuElm, mouseElm, stopElm;\n boolean didSwitch = false;\n int mousePost = -1;\n CircuitElm plotXElm, plotYElm;\n int draggingPost;\n SwitchElm heldSwitchElm;\n double circuitMatrix[][], circuitRightSide[],\n\torigRightSide[], origMatrix[][];\n RowInfo circuitRowInfo[];\n int circuitPermute[];\n boolean circuitNonLinear;\n int voltageSourceCount;\n int circuitMatrixSize, circuitMatrixFullSize;\n boolean circuitNeedsMap;\n public boolean useFrame;\n int scopeCount;\n Scope scopes[];\n int scopeColCount[];\n static EditDialog editDialog;\n static ImportExportDialog impDialog, expDialog;\n Class dumpTypes[], shortcuts[];\n static String muString = \"u\";\n static String ohmString = \"ohm\";\n String clipboard;\n Rectangle circuitArea;\n int circuitBottom;\n Vector undoStack, redoStack;\n\n int getrand(int x) {\n\tint q = random.nextInt();\n\tif (q < 0) q = -q;\n\treturn q % x;\n }\n CircuitCanvas cv;\n Circuit applet;\n\n CirSim(Circuit a) {\n\tsuper(\"Circuit Simulator v1.6.1a\");\n\tapplet = a;\n\tuseFrame = false;\n }\n\n String startCircuit = null;\n String startLabel = null;\n String startCircuitText = null;\n String baseURL = \"http://www.falstad.com/circuit/\";\n \n public void init() {\n\tString euroResistor = null;\n\tString useFrameStr = null;\n\tboolean printable = true; // hausen: changed from false to true\n\tboolean convention = true;\n\n\tCircuitElm.initClass(this);\n\n\ttry {\n\t baseURL = applet.getDocumentBase().getFile();\n\t // look for circuit embedded in URL\n\t String doc = applet.getDocumentBase().toString();\n\t int in = doc.indexOf('#');\n\t if (in > 0) {\n\t\tString x = null;\n\t\ttry {\n\t\t x = doc.substring(in+1);\n\t\t x = URLDecoder.decode(x);\n\t\t startCircuitText = x;\n\t\t} catch (Exception e) {\n\t\t System.out.println(\"can't decode \" + x);\n\t\t e.printStackTrace();\n\t\t}\n\t }\n\t in = doc.lastIndexOf('/');\n\t if (in > 0)\n\t\tbaseURL = doc.substring(0, in+1);\n\t \n\t String param = applet.getParameter(\"PAUSE\");\n\t if (param != null)\n\t\tpause = Integer.parseInt(param);\n\t startCircuit = applet.getParameter(\"startCircuit\");\n\t startLabel = applet.getParameter(\"startLabel\");\n\t euroResistor = applet.getParameter(\"euroResistors\");\n\t useFrameStr = applet.getParameter(\"useFrame\");\n\t String x = applet.getParameter(\"whiteBackground\");\n\t if (x != null && x.equalsIgnoreCase(\"true\"))\n\t\tprintable = true;\n\t x = applet.getParameter(\"conventionalCurrent\");\n\t if (x != null && x.equalsIgnoreCase(\"true\"))\n\t\tconvention = false;\n\t} catch (Exception e) { }\n\t\n\tboolean euro = (euroResistor != null && euroResistor.equalsIgnoreCase(\"true\"));\n\tuseFrame = (useFrameStr == null || !useFrameStr.equalsIgnoreCase(\"false\"));\n\tif (useFrame)\n\t main = this;\n\telse\n\t main = applet;\n\t\n\tString os = System.getProperty(\"os.name\");\n\tisMac = (os.indexOf(\"Mac \") == 0);\n\tctrlMetaKey = (isMac) ? \"\\u2318\" : \"Ctrl\";\n\tString jv = System.getProperty(\"java.class.version\");\n\tdouble jvf = new Double(jv).doubleValue();\n\tif (jvf >= 48) {\n\t muString = \"\\u03bc\";\n\t ohmString = \"\\u03a9\";\n\t useBufferedImage = true;\n\t}\n\t\n\tdumpTypes = new Class[300];\n\tshortcuts = new Class[127];\n\n\t// these characters are reserved\n\tdumpTypes[(int)'o'] = Scope.class;\n\tdumpTypes[(int)'h'] = Scope.class;\n\tdumpTypes[(int)'$'] = Scope.class;\n\tdumpTypes[(int)'%'] = Scope.class;\n\tdumpTypes[(int)'?'] = Scope.class;\n\tdumpTypes[(int)'B'] = Scope.class;\n\n\tmain.setLayout(new CircuitLayout());\n\tcv = new CircuitCanvas(this);\n\tcv.addComponentListener(this);\n\tcv.addMouseMotionListener(this);\n\tcv.addMouseListener(this);\n\tcv.addKeyListener(this);\n\tmain.add(cv);\n\n\tmainMenu = new PopupMenu();\n\tMenuBar mb = null;\n\tif (useFrame)\n\t mb = new MenuBar();\n\tMenu m = new Menu(\"File\");\n\tif (useFrame)\n\t mb.add(m);\n\telse\n\t mainMenu.add(m);\n\tm.add(importItem = getMenuItem(\"Import\"));\n\tm.add(exportItem = getMenuItem(\"Export\"));\n//\tm.add(exportLinkItem = getMenuItem(\"Export Link\"));\n\tm.addSeparator();\n\tm.add(exitItem = getMenuItem(\"Exit\"));\n\n\tm = new Menu(\"Edit\");\n\tm.add(undoItem = getMenuItem(\"Undo\"));\n\tundoItem.setShortcut(new MenuShortcut(KeyEvent.VK_Z));\n\tm.add(redoItem = getMenuItem(\"Redo\"));\n\tredoItem.setShortcut(new MenuShortcut(KeyEvent.VK_Z, true));\n\tm.addSeparator();\n\tm.add(cutItem = getMenuItem(\"Cut\"));\n\tcutItem.setShortcut(new MenuShortcut(KeyEvent.VK_X));\n\tm.add(copyItem = getMenuItem(\"Copy\"));\n\tcopyItem.setShortcut(new MenuShortcut(KeyEvent.VK_C));\n\tm.add(pasteItem = getMenuItem(\"Paste\"));\n\tpasteItem.setShortcut(new MenuShortcut(KeyEvent.VK_V));\n\tpasteItem.setEnabled(false);\n\tm.add(selectAllItem = getMenuItem(\"Select All\"));\n\tselectAllItem.setShortcut(new MenuShortcut(KeyEvent.VK_A));\n\tif (useFrame)\n\t mb.add(m);\n\telse\n\t mainMenu.add(m);\n\n\tm = new Menu(\"Scope\");\n\tif (useFrame)\n\t mb.add(m);\n\telse\n\t mainMenu.add(m);\n\tm.add(getMenuItem(\"Stack All\", \"stackAll\"));\n\tm.add(getMenuItem(\"Unstack All\", \"unstackAll\"));\n\n\toptionsMenu = m = new Menu(\"Options\");\n\tif (useFrame)\n\t mb.add(m);\n\telse\n\t mainMenu.add(m);\n\tm.add(dotsCheckItem = getCheckItem(\"Show Current\"));\n\tdotsCheckItem.setState(false); // hausen: changed from true to false\n\tm.add(voltsCheckItem = getCheckItem(\"Show Voltage\"));\n\tvoltsCheckItem.setState(true);\n\tm.add(powerCheckItem = getCheckItem(\"Show Power\"));\n\tm.add(showValuesCheckItem = getCheckItem(\"Show Values\"));\n\tshowValuesCheckItem.setState(true);\n\t//m.add(conductanceCheckItem = getCheckItem(\"Show Conductance\"));\n\tm.add(smallGridCheckItem = getCheckItem(\"Small Grid\"));\n\tm.add(euroResistorCheckItem = getCheckItem(\"European Resistors\"));\n\teuroResistorCheckItem.setState(euro);\n\tm.add(printableCheckItem = getCheckItem(\"White Background\"));\n\tprintableCheckItem.setState(printable);\n\tm.add(conventionCheckItem = getCheckItem(\"Conventional Current Motion\"));\n\tconventionCheckItem.setState(convention);\n\tm.add(idealWireCheckItem = getCheckItem(\"Ideal Wires\"));\n\tidealWireCheckItem.setState(WireElm.ideal);\n\tidealWireCheckItem.addItemListener(\n\t\tnew ItemListener() {\n\t\t\t@Override\n\t\t\tpublic void itemStateChanged(ItemEvent e) {\n\t\t\t\tif (e.getStateChange() == ItemEvent.SELECTED) {\n\t\t\t\t\tWireElm.ideal = true;\n\t\t\t\t} else {\n\t\t\t\t\tWireElm.ideal = false;\n\t\t\t\t}\n\t\t\t\tSystem.err.println(\"ideal wires: \" + WireElm.ideal);\n\t\t\t}\n\t\t}\n\t);\n\n\tm.add(optionsItem = getMenuItem(\"Other Options...\"));\n\t\n\tMenu circuitsMenu = new Menu(\"Circuits\");\n\tif (useFrame)\n\t mb.add(circuitsMenu);\n\telse\n\t mainMenu.add(circuitsMenu);\n\n\tmainMenu.add(getClassCheckItem(\"Add Wire\", \"WireElm\"));\n\tmainMenu.add(getClassCheckItem(\"Add Resistor\", \"ResistorElm\"));\n\t\n\tMenu passMenu = new Menu(\"Passive Components\");\n\tmainMenu.add(passMenu);\n\tpassMenu.add(getClassCheckItem(\"Add Capacitor\", \"CapacitorElm\"));\n\tpassMenu.add(getClassCheckItem(\"Add Inductor\", \"InductorElm\"));\n\tpassMenu.add(getClassCheckItem(\"Add Switch\", \"SwitchElm\"));\n\tpassMenu.add(getClassCheckItem(\"Add Push Switch\", \"PushSwitchElm\"));\n\tpassMenu.add(getClassCheckItem(\"Add SPDT Switch\", \"Switch2Elm\"));\n\tpassMenu.add(getClassCheckItem(\"Add Potentiometer\", \"PotElm\"));\n\tpassMenu.add(getClassCheckItem(\"Add Transformer\", \"TransformerElm\"));\n\tpassMenu.add(getClassCheckItem(\"Add Tapped Transformer\",\n\t\t\t\t \"TappedTransformerElm\"));\n\tpassMenu.add(getClassCheckItem(\"Add Transmission Line\", \"TransLineElm\"));\n\tpassMenu.add(getClassCheckItem(\"Add Relay\", \"RelayElm\"));\n\tpassMenu.add(getClassCheckItem(\"Add Memristor\", \"MemristorElm\"));\n\tpassMenu.add(getClassCheckItem(\"Add Spark Gap\", \"SparkGapElm\"));\n\t\n\tMenu inputMenu = new Menu(\"Inputs/Outputs\");\n\tmainMenu.add(inputMenu);\n\tinputMenu.add(getClassCheckItem(\"Add Ground\", \"GroundElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add Voltage Source (2-terminal)\", \"DCVoltageElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add A/C Source (2-terminal)\", \"ACVoltageElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add Voltage Source (1-terminal)\", \"RailElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add A/C Source (1-terminal)\", \"ACRailElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add Square Wave (1-terminal)\", \"SquareRailElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add Analog Output\", \"OutputElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add Logic Input\", \"LogicInputElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add Logic Output\", \"LogicOutputElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add Clock\", \"ClockElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add A/C Sweep\", \"SweepElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add Var. Voltage\", \"VarRailElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add Antenna\", \"AntennaElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add Current Source\", \"CurrentElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add LED\", \"LEDElm\"));\n\tinputMenu.add(getClassCheckItem(\"Add Lamp (beta)\", \"LampElm\"));\n\t\n\tMenu activeMenu = new Menu(\"Active Components\");\n\tmainMenu.add(activeMenu);\n\tactiveMenu.add(getClassCheckItem(\"Add Diode\", \"DiodeElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add Zener Diode\", \"ZenerElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add Transistor (bipolar, NPN)\",\n\t\t\t\t \"NTransistorElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add Transistor (bipolar, PNP)\",\n\t\t\t\t \"PTransistorElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add Op Amp (- on top)\", \"OpAmpElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add Op Amp (+ on top)\",\n\t\t\t\t \"OpAmpSwapElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add MOSFET (n-channel)\",\n\t\t\t\t \"NMosfetElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add MOSFET (p-channel)\",\n\t\t\t\t \"PMosfetElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add JFET (n-channel)\",\n\t\t\t\t\t \"NJfetElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add JFET (p-channel)\",\n\t\t\t\t\t \"PJfetElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add Analog Switch (SPST)\", \"AnalogSwitchElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add Analog Switch (SPDT)\", \"AnalogSwitch2Elm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add SCR\", \"SCRElm\"));\n\t//activeMenu.add(getClassCheckItem(\"Add Varactor/Varicap\", \"VaractorElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add Tunnel Diode\", \"TunnelDiodeElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add Triode\", \"TriodeElm\"));\n\t//activeMenu.add(getClassCheckItem(\"Add Diac\", \"DiacElm\"));\n\t//activeMenu.add(getClassCheckItem(\"Add Triac\", \"TriacElm\"));\n\t//activeMenu.add(getClassCheckItem(\"Add Photoresistor\", \"PhotoResistorElm\"));\n\t//activeMenu.add(getClassCheckItem(\"Add Thermistor\", \"ThermistorElm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add CCII+\", \"CC2Elm\"));\n\tactiveMenu.add(getClassCheckItem(\"Add CCII-\", \"CC2NegElm\"));\n\n\tMenu gateMenu = new Menu(\"Logic Gates\");\n\tmainMenu.add(gateMenu);\n\tgateMenu.add(getClassCheckItem(\"Add Inverter\", \"InverterElm\"));\n\tgateMenu.add(getClassCheckItem(\"Add NAND Gate\", \"NandGateElm\"));\n\tgateMenu.add(getClassCheckItem(\"Add NOR Gate\", \"NorGateElm\"));\n\tgateMenu.add(getClassCheckItem(\"Add AND Gate\", \"AndGateElm\"));\n\tgateMenu.add(getClassCheckItem(\"Add OR Gate\", \"OrGateElm\"));\n\tgateMenu.add(getClassCheckItem(\"Add XOR Gate\", \"XorGateElm\"));\n\n\tMenu chipMenu = new Menu(\"Chips\");\n\tmainMenu.add(chipMenu);\n\tchipMenu.add(getClassCheckItem(\"Add D Flip-Flop\", \"DFlipFlopElm\"));\n\tchipMenu.add(getClassCheckItem(\"Add JK Flip-Flop\", \"JKFlipFlopElm\"));\n\tchipMenu.add(getClassCheckItem(\"Add 7 Segment LED\", \"SevenSegElm\"));\n\tchipMenu.add(getClassCheckItem(\"Add VCO\", \"VCOElm\"));\n\tchipMenu.add(getClassCheckItem(\"Add Phase Comparator\", \"PhaseCompElm\"));\n\tchipMenu.add(getClassCheckItem(\"Add Counter\", \"CounterElm\"));\n\tchipMenu.add(getClassCheckItem(\"Add Decade Counter\", \"DecadeElm\"));\n\tchipMenu.add(getClassCheckItem(\"Add 555 Timer\", \"TimerElm\"));\n\tchipMenu.add(getClassCheckItem(\"Add DAC\", \"DACElm\"));\n\tchipMenu.add(getClassCheckItem(\"Add ADC\", \"ADCElm\"));\n\tchipMenu.add(getClassCheckItem(\"Add Latch\", \"LatchElm\"));\n\t\n\tMenu otherMenu = new Menu(\"Other\");\n\tmainMenu.add(otherMenu);\n\totherMenu.add(getClassCheckItem(\"Add Text\", \"TextElm\"));\n\totherMenu.add(getClassCheckItem(\"Add Box\", \"BoxElm\"));\n\totherMenu.add(getClassCheckItem(\"Add Scope Probe\", \"ProbeElm\"));\n\totherMenu.add(getCheckItem(\"Drag All (Alt-drag)\", \"DragAll\"));\n\totherMenu.add(getCheckItem(\n\t\t\t isMac ? \"Drag Row (Alt-S-drag, S-right)\" :\n\t\t\t \"Drag Row (S-right)\",\n\t\t\t \"DragRow\"));\n\totherMenu.add(getCheckItem(\n\t\t\t isMac ? \"Drag Column (Alt-\\u2318-drag, \\u2318-right)\" :\n\t\t\t \"Drag Column (C-right)\",\n\t\t\t \"DragColumn\"));\n\totherMenu.add(getCheckItem(\"Drag Selected\", \"DragSelected\"));\n\totherMenu.add(getCheckItem(\"Drag Post (\" + ctrlMetaKey + \"-drag)\",\n\t\t\t\t \"DragPost\"));\n\n\tmainMenu.add(getCheckItem(\"Select/Drag Selected (space or Shift-drag)\", \"Select\"));\n\tmain.add(mainMenu);\n\n\tmain.add(resetButton = new Button(\"Reset\"));\n\tresetButton.addActionListener(this);\n\tdumpMatrixButton = new Button(\"Dump Matrix\");\n\t//main.add(dumpMatrixButton);\n\tdumpMatrixButton.addActionListener(this);\n\tstoppedCheck = new Checkbox(\"Stopped\");\n\tstoppedCheck.addItemListener(this);\n\tmain.add(stoppedCheck);\n\t\n\tmain.add(new Label(\"Simulation Speed\", Label.CENTER));\n\n\t// was max of 140\n\tmain.add(speedBar = new Scrollbar(Scrollbar.HORIZONTAL, 3, 1, 0, 260));\n\tspeedBar.addAdjustmentListener(this);\n\n\tmain.add(new Label(\"Current Speed\", Label.CENTER));\n\tcurrentBar = new Scrollbar(Scrollbar.HORIZONTAL,\n\t\t\t\t 50, 1, 1, 100);\n\tcurrentBar.addAdjustmentListener(this);\n\tmain.add(currentBar);\n\n\tmain.add(powerLabel = new Label(\"Power Brightness\", Label.CENTER));\n\tmain.add(powerBar = new Scrollbar(Scrollbar.HORIZONTAL,\n\t\t\t\t 50, 1, 1, 100));\n\tpowerBar.addAdjustmentListener(this);\n\tpowerBar.disable();\n\tpowerLabel.disable();\n\n\tmain.add(new Label(\"www.falstad.com\"));\n\n\tif (useFrame)\n\t main.add(new Label(\"\"));\n\tFont f = new Font(\"SansSerif\", 0, 10);\n\tLabel l;\n\tl = new Label(\"Current Circuit:\");\n\tl.setFont(f);\n\ttitleLabel = new Label(\"Label\");\n\ttitleLabel.setFont(f);\n\tif (useFrame) {\n\t main.add(l);\n\t main.add(titleLabel);\n\t}\n\n\tsetGrid();\n\telmList = new Vector();\n//\tsetupList = new Vector();\n\tundoStack = new Vector();\n\tredoStack = new Vector();\n\n\tscopes = new Scope[20];\n\tscopeColCount = new int[20];\n\tscopeCount = 0;\n\t\n\trandom = new Random();\n\tcv.setBackground(Color.black);\n\tcv.setForeground(Color.lightGray);\n\t\n\telmMenu = new PopupMenu();\n\telmMenu.add(elmEditMenuItem = getMenuItem(\"Edit\"));\n\telmMenu.add(elmScopeMenuItem = getMenuItem(\"View in Scope\"));\n\telmMenu.add(elmCutMenuItem = getMenuItem(\"Cut\"));\n\telmMenu.add(elmCopyMenuItem = getMenuItem(\"Copy\"));\n\telmMenu.add(elmDeleteMenuItem = getMenuItem(\"Delete\"));\n\tmain.add(elmMenu);\n\t\n\tscopeMenu = buildScopeMenu(false);\n\ttransScopeMenu = buildScopeMenu(true);\n\n\tgetSetupList(circuitsMenu, false);\n\tif (useFrame)\n\t setMenuBar(mb);\n\tif (startCircuitText != null)\n\t readSetup(startCircuitText);\n\telse if (stopMessage == null && startCircuit != null)\n\t readSetupFile(startCircuit, startLabel);\n\telse\n\t readSetup(null, 0, false);\n\n\tif (useFrame) {\n\t Dimension screen = getToolkit().getScreenSize();\n\t resize(860, 640);\n\t handleResize();\n\t Dimension x = getSize();\n\t setLocation((screen.width - x.width)/2,\n\t\t\t(screen.height - x.height)/2);\n\t show();\n\t} else {\n\t if (!powerCheckItem.getState()) {\n\t\tmain.remove(powerBar);\n\t\tmain.remove(powerLabel);\n\t\tmain.validate();\n\t }\n\t hide();\n\t handleResize();\n\t applet.validate();\n\t}\n\trequestFocus();\n\n\taddWindowListener(new WindowAdapter()\n\t\t{\n\t\t\tpublic void windowClosing(WindowEvent we)\n\t\t\t{\n\t\t\t\tdestroyFrame();\n\t\t\t}\n\t\t}\n\t);\n }\n\n boolean shown = false;\n \n public void triggerShow() {\n\tif (!shown)\n\t show();\n\tshown = true;\n }\n\n public void requestFocus()\n {\n\tsuper.requestFocus();\n\tcv.requestFocus();\n }\n \n PopupMenu buildScopeMenu(boolean t) {\n\tPopupMenu m = new PopupMenu();\n\tm.add(getMenuItem(\"Remove\", \"remove\"));\n\tm.add(getMenuItem(\"Speed 2x\", \"speed2\"));\n\tm.add(getMenuItem(\"Speed 1/2x\", \"speed1/2\"));\n\tm.add(getMenuItem(\"Scale 2x\", \"scale\"));\n\tm.add(getMenuItem(\"Max Scale\", \"maxscale\"));\n\tm.add(getMenuItem(\"Stack\", \"stack\"));\n\tm.add(getMenuItem(\"Unstack\", \"unstack\"));\n\tm.add(getMenuItem(\"Reset\", \"reset\"));\n\tif (t) {\n\t m.add(scopeIbMenuItem = getCheckItem(\"Show Ib\"));\n\t m.add(scopeIcMenuItem = getCheckItem(\"Show Ic\"));\n\t m.add(scopeIeMenuItem = getCheckItem(\"Show Ie\"));\n\t m.add(scopeVbeMenuItem = getCheckItem(\"Show Vbe\"));\n\t m.add(scopeVbcMenuItem = getCheckItem(\"Show Vbc\"));\n\t m.add(scopeVceMenuItem = getCheckItem(\"Show Vce\"));\n\t m.add(scopeVceIcMenuItem = getCheckItem(\"Show Vce vs Ic\"));\n\t} else {\n\t m.add(scopeVMenuItem = getCheckItem(\"Show Voltage\"));\n\t m.add(scopeIMenuItem = getCheckItem(\"Show Current\"));\n\t m.add(scopePowerMenuItem = getCheckItem(\"Show Power Consumed\"));\n\t m.add(scopeMaxMenuItem = getCheckItem(\"Show Peak Value\"));\n\t m.add(scopeMinMenuItem = getCheckItem(\"Show Negative Peak Value\"));\n\t m.add(scopeFreqMenuItem = getCheckItem(\"Show Frequency\"));\n\t m.add(scopeVIMenuItem = getCheckItem(\"Show V vs I\"));\n\t m.add(scopeXYMenuItem = getCheckItem(\"Plot X/Y\"));\n\t m.add(scopeSelectYMenuItem = getMenuItem(\"Select Y\", \"selecty\"));\n\t m.add(scopeResistMenuItem = getCheckItem(\"Show Resistance\"));\n\t}\n\tmain.add(m);\n\treturn m;\n }\n \n MenuItem getMenuItem(String s) {\n\tMenuItem mi = new MenuItem(s);\n\tmi.addActionListener(this);\n\treturn mi;\n }\n\n MenuItem getMenuItem(String s, String ac) {\n\tMenuItem mi = new MenuItem(s);\n\tmi.setActionCommand(ac);\n\tmi.addActionListener(this);\n\treturn mi;\n }\n\n CheckboxMenuItem getCheckItem(String s) {\n\tCheckboxMenuItem mi = new CheckboxMenuItem(s);\n\tmi.addItemListener(this);\n\tmi.setActionCommand(\"\");\n\treturn mi;\n }\n\n CheckboxMenuItem getClassCheckItem(String s, String t) {\n\ttry {\n\t Class c = Class.forName(t);\n\t CircuitElm elm = constructElement(c, 0, 0);\n\t register(c, elm);\n\t if ( elm.needsShortcut() ) {\n\t\ts += \" (\" + (char)elm.getShortcut() + \")\";\n\t }\n\t elm.delete();\n\t} catch (Exception ee) {\n\t ee.printStackTrace();\n\t}\n\treturn getCheckItem(s, t);\n }\n \n CheckboxMenuItem getCheckItem(String s, String t) {\n\tCheckboxMenuItem mi = new CheckboxMenuItem(s);\n\tmi.addItemListener(this);\n\tmi.setActionCommand(t);\n\treturn mi;\n }\n\n void register(Class c, CircuitElm elm) {\n\tint t = elm.getDumpType();\n\tif (t == 0) {\n\t System.out.println(\"no dump type: \" + c);\n\t return;\n\t}\n\n\tint s = elm.getShortcut();\n\tif ( elm.needsShortcut() && s == 0 )\n\t{\n\t if ( s == 0 )\n\t {\n\t\tSystem.err.println(\"no shortcut \" + c + \" for \" + c);\n\t\treturn;\n\t }\n\t else if ( s <= ' ' || s >= 127 )\n\t {\n\t\tSystem.err.println(\"invalid shortcut \" + c + \" for \" + c);\n\t\treturn;\n\t }\n\t}\n\n\tClass dclass = elm.getDumpClass();\n\n\tif ( dumpTypes[t] != null && dumpTypes[t] != dclass ) {\n\t System.out.println(\"dump type conflict: \" + c + \" \" +\n\t\t\t dumpTypes[t]);\n\t return;\n\t}\n\tdumpTypes[t] = dclass;\n\n\tClass sclass = elm.getClass();\n\n\tif ( elm.needsShortcut() && shortcuts[s] != null &&\n\t shortcuts[s] != sclass )\n\t{\n\t System.err.println(\"shortcut conflict: \" + c +\n\t \t\t \" (previously assigned to \" +\n\t\t\t shortcuts[s] + \")\");\n\t}\n\telse\n\t{\n\t shortcuts[s] = sclass;\n\t}\n }\n \n void handleResize() {\n winSize = cv.getSize();\n\tif (winSize.width == 0)\n\t return;\n\tdbimage = main.createImage(winSize.width, winSize.height);\n\tint h = winSize.height / 5;\n\t/*if (h < 128 && winSize.height > 300)\n\t h = 128;*/\n\tcircuitArea = new Rectangle(0, 0, winSize.width, winSize.height-h);\n\tint i;\n\tint minx = 1000, maxx = 0, miny = 1000, maxy = 0;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t // centered text causes problems when trying to center the circuit,\n\t // so we special-case it here\n\t if (!ce.isCenteredText()) {\n\t\tminx = min(ce.x, min(ce.x2, minx));\n\t\tmaxx = max(ce.x, max(ce.x2, maxx));\n\t }\n\t miny = min(ce.y, min(ce.y2, miny));\n\t maxy = max(ce.y, max(ce.y2, maxy));\n\t}\n\t// center circuit; we don't use snapGrid() because that rounds\n\tint dx = gridMask & ((circuitArea.width -(maxx-minx))/2-minx);\n\tint dy = gridMask & ((circuitArea.height-(maxy-miny))/2-miny);\n\tif (dx+minx < 0)\n\t dx = gridMask & (-minx);\n\tif (dy+miny < 0)\n\t dy = gridMask & (-miny);\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t ce.move(dx, dy);\n\t}\n\t// after moving elements, need this to avoid singular matrix probs\n\tneedAnalyze();\n\tcircuitBottom = 0;\n }\n\n void destroyFrame() {\n\tif (applet == null)\n\t{\n\t dispose();\n\t System.exit(0);\n\t}\n\telse\n\t{\n\t applet.destroyFrame();\n\t}\n }\n \n public boolean handleEvent(Event ev) {\n if (ev.id == Event.WINDOW_DESTROY) {\n\t destroyFrame();\n return true;\n }\n return super.handleEvent(ev);\n }\n \n public void paint(Graphics g) {\n\tcv.repaint();\n }\n\n static final int resct = 6;\n long lastTime = 0, lastFrameTime, lastIterTime, secTime = 0;\n int frames = 0;\n int steps = 0;\n int framerate = 0, steprate = 0;\n\n public void updateCircuit(Graphics realg) {\n\tCircuitElm realMouseElm;\n\tif (winSize == null || winSize.width == 0)\n\t return;\n\tif (analyzeFlag) {\n\t analyzeCircuit();\n\t analyzeFlag = false;\n\t}\n\tif (editDialog != null && editDialog.elm instanceof CircuitElm)\n\t mouseElm = (CircuitElm) (editDialog.elm);\n\trealMouseElm = mouseElm;\n\tif (mouseElm == null)\n\t mouseElm = stopElm;\n\tsetupScopes();\n Graphics2D g = null; // hausen: changed to Graphics2D\n\tg = (Graphics2D)dbimage.getGraphics();\n\tg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,\n\t\tRenderingHints.VALUE_ANTIALIAS_ON);\n\tCircuitElm.selectColor = Color.cyan;\n\tif (printableCheckItem.getState()) {\n \t CircuitElm.whiteColor = Color.black;\n \t CircuitElm.lightGrayColor = Color.black;\n \t g.setColor(Color.white);\n\t} else {\n\t CircuitElm.whiteColor = Color.white;\n\t CircuitElm.lightGrayColor = Color.lightGray;\n\t g.setColor(Color.black);\n\t}\n\tg.fillRect(0, 0, winSize.width, winSize.height);\n\tif (!stoppedCheck.getState()) {\n\t try {\n\t\trunCircuit();\n\t } catch (Exception e) {\n\t\te.printStackTrace();\n\t\tanalyzeFlag = true;\n\t\tcv.repaint();\n\t\treturn;\n\t }\n\t}\n\tif (!stoppedCheck.getState()) {\n\t long sysTime = System.currentTimeMillis();\n\t if (lastTime != 0) {\n\t\tint inc = (int) (sysTime-lastTime);\n\t\tdouble c = currentBar.getValue();\n\t\tc = java.lang.Math.exp(c/3.5-14.2);\n\t\tCircuitElm.currentMult = 1.7 * inc * c;\n\t\tif (!conventionCheckItem.getState())\n\t\t CircuitElm.currentMult = -CircuitElm.currentMult;\n\t }\n\t if (sysTime-secTime >= 1000) {\n\t\tframerate = frames; steprate = steps;\n\t\tframes = 0; steps = 0;\n\t\tsecTime = sysTime;\n\t }\n\t lastTime = sysTime;\n\t} else\n\t lastTime = 0;\n\tCircuitElm.powerMult = Math.exp(powerBar.getValue()/4.762-7);\n\t\n\tint i;\n\tFont oldfont = g.getFont();\n\tfor (i = 0; i != elmList.size(); i++) {\n\t if (powerCheckItem.getState())\n\t\tg.setColor(Color.gray);\n\t /*else if (conductanceCheckItem.getState())\n\t g.setColor(Color.white);*/\n\t getElm(i).draw(g);\n\t}\n\tif (tempMouseMode == MODE_DRAG_ROW || tempMouseMode == MODE_DRAG_COLUMN ||\n\t tempMouseMode == MODE_DRAG_POST || tempMouseMode == MODE_DRAG_SELECTED)\n\t for (i = 0; i != elmList.size(); i++) {\n\t\tCircuitElm ce = getElm(i);\n\t\tce.drawPost(g, ce.x , ce.y );\n\t\tce.drawPost(g, ce.x2, ce.y2);\n\t }\n\tint badnodes = 0;\n\t// find bad connections, nodes not connected to other elements which\n\t// intersect other elements' bounding boxes\n\t// debugged by hausen: nullPointerException\n\tif ( nodeList != null )\n\tfor (i = 0; i != nodeList.size(); i++) {\n\t CircuitNode cn = getCircuitNode(i);\n\t if (!cn.internal && cn.links.size() == 1) {\n\t\tint bb = 0, j;\n\t\tCircuitNodeLink cnl = cn.links.elementAt(0);\n\t\tfor (j = 0; j != elmList.size(); j++)\n\t\t{ // TODO: (hausen) see if this change does not break stuff\n\t\t CircuitElm ce = getElm(j);\n\t\t if ( ce instanceof GraphicElm )\n\t\t\tcontinue;\n\t\t if (cnl.elm != ce &&\n\t\t\tgetElm(j).boundingBox.contains(cn.x, cn.y))\n\t\t\tbb++;\n\t\t}\n\t\tif (bb > 0) {\n\t\t g.setColor(Color.red);\n\t\t g.fillOval(cn.x-3, cn.y-3, 7, 7);\n\t\t badnodes++;\n\t\t}\n\t }\n\t}\n\t/*if (mouseElm != null) {\n\t g.setFont(oldfont);\n\t g.drawString(\"+\", mouseElm.x+10, mouseElm.y);\n\t }*/\n\tif (dragElm != null &&\n\t (dragElm.x != dragElm.x2 || dragElm.y != dragElm.y2))\n\t dragElm.draw(g);\n\tg.setFont(oldfont);\n\tint ct = scopeCount;\n\tif (stopMessage != null)\n\t ct = 0;\n\tfor (i = 0; i != ct; i++)\n\t scopes[i].draw(g);\n\tg.setColor(CircuitElm.whiteColor);\n\tif (stopMessage != null) {\n\t g.drawString(stopMessage, 10, circuitArea.height);\n\t} else {\n\t if (circuitBottom == 0)\n\t\tcalcCircuitBottom();\n\t String info[] = new String[10];\n\t if (mouseElm != null) {\n\t\tif (mousePost == -1)\n\t\t mouseElm.getInfo(info);\n\t\telse\n\t\t info[0] = \"V = \" +\n\t\t\tCircuitElm.getUnitText(mouseElm.getPostVoltage(mousePost), \"V\");\n\t\t/* //shownodes\n\t\tfor (i = 0; i != mouseElm.getPostCount(); i++)\n\t\t info[0] += \" \" + mouseElm.nodes[i];\n\t\tif (mouseElm.getVoltageSourceCount() > 0)\n\t\t info[0] += \";\" + (mouseElm.getVoltageSource()+nodeList.size());\n\t\t*/\n\t\t\n\t } else {\n\t\tCircuitElm.showFormat.setMinimumFractionDigits(2);\n\t\tinfo[0] = \"t = \" + CircuitElm.getUnitText(t, \"s\");\n\t\tCircuitElm.showFormat.setMinimumFractionDigits(0);\n\t }\n\t if (hintType != -1) {\n\t\tfor (i = 0; info[i] != null; i++)\n\t\t ;\n\t\tString s = getHint();\n\t\tif (s == null)\n\t\t hintType = -1;\n\t\telse\n\t\t info[i] = s;\n\t }\n\t int x = 0;\n\t if (ct != 0)\n\t\tx = scopes[ct-1].rightEdge() + 20;\n\t x = max(x, winSize.width*2/3);\n\t \n\t // count lines of data\n\t for (i = 0; info[i] != null; i++)\n\t\t;\n\t if (badnodes > 0)\n\t\tinfo[i++] = badnodes + ((badnodes == 1) ?\n\t\t\t\t\t\" bad connection\" : \" bad connections\");\n\t \n\t // find where to show data; below circuit, not too high unless we need it\n\t int ybase = winSize.height-15*i-5;\n\t ybase = min(ybase, circuitArea.height);\n\t ybase = max(ybase, circuitBottom);\n\t for (i = 0; info[i] != null; i++)\n\t\tg.drawString(info[i], x,\n\t\t\t ybase+15*(i+1));\n\t}\n\tif (selectedArea != null) {\n\t g.setColor(CircuitElm.selectColor);\n\t g.drawRect(selectedArea.x, selectedArea.y, selectedArea.width, selectedArea.height);\n\t}\n\tmouseElm = realMouseElm;\n\tframes++;\n\t/*\n\tg.setColor(Color.white);\n\tg.drawString(\"Framerate: \" + framerate, 10, 10);\n\tg.drawString(\"Steprate: \" + steprate, 10, 30);\n\tg.drawString(\"Steprate/iter: \" + (steprate/getIterCount()), 10, 50);\n\tg.drawString(\"iterc: \" + (getIterCount()), 10, 70);\n\t*/\n\n\trealg.drawImage(dbimage, 0, 0, this);\n\tif (!stoppedCheck.getState() && circuitMatrix != null) {\n\t // Limit to 50 fps (thanks to Jurgen Klotzer for this)\n\t long delay = 1000/50 - (System.currentTimeMillis() - lastFrameTime);\n\t //realg.drawString(\"delay: \" + delay, 10, 90);\n\t if (delay > 0) {\n\t\ttry {\n\t\t Thread.sleep(delay);\n\t\t} catch (InterruptedException e) {\n\t\t}\n\t }\n\t \n\t cv.repaint(0);\n\t}\n\tlastFrameTime = lastTime;\n }\n\n void setupScopes() {\n\tint i;\n\t\n\t// check scopes to make sure the elements still exist, and remove\n\t// unused scopes/columns\n\tint pos = -1;\n\tfor (i = 0; i < scopeCount; i++) {\n\t if (locateElm(scopes[i].elm) < 0)\n\t\tscopes[i].setElm(null);\n\t if (scopes[i].elm == null) {\n\t\tint j;\n\t\tfor (j = i; j != scopeCount; j++)\n\t\t scopes[j] = scopes[j+1];\n\t\tscopeCount--;\n\t\ti--;\n\t\tcontinue;\n\t }\n\t if (scopes[i].position > pos+1)\n\t\tscopes[i].position = pos+1;\n\t pos = scopes[i].position;\n\t}\n\twhile (scopeCount > 0 && scopes[scopeCount-1].elm == null)\n\t scopeCount--;\n\tint h = winSize.height - circuitArea.height;\n\tpos = 0;\n\tfor (i = 0; i != scopeCount; i++)\n\t scopeColCount[i] = 0;\n\tfor (i = 0; i != scopeCount; i++) {\n\t pos = max(scopes[i].position, pos);\n\t scopeColCount[scopes[i].position]++;\n\t}\n\tint colct = pos+1;\n\tint iw = infoWidth;\n\tif (colct <= 2)\n\t iw = iw*3/2;\n\tint w = (winSize.width-iw) / colct;\n\tint marg = 10;\n\tif (w < marg*2)\n\t w = marg*2;\n\tpos = -1;\n\tint colh = 0;\n\tint row = 0;\n\tint speed = 0;\n\tfor (i = 0; i != scopeCount; i++) {\n\t Scope s = scopes[i];\n\t if (s.position > pos) {\n\t\tpos = s.position;\n\t\tcolh = h / scopeColCount[pos];\n\t\trow = 0;\n\t\tspeed = s.speed;\n\t }\n\t if (s.speed != speed) {\n\t\ts.speed = speed;\n\t\ts.resetGraph();\n\t }\n\t Rectangle r = new Rectangle(pos*w, winSize.height-h+colh*row,\n\t\t\t\t\tw-marg, colh);\n\t row++;\n\t if (!r.equals(s.rect))\n\t\ts.setRect(r);\n\t}\n }\n \n String getHint() {\n\tCircuitElm c1 = getElm(hintItem1);\n\tCircuitElm c2 = getElm(hintItem2);\n\tif (c1 == null || c2 == null)\n\t return null;\n\tif (hintType == HINT_LC) {\n\t if (!(c1 instanceof InductorElm))\n\t\treturn null;\n\t if (!(c2 instanceof CapacitorElm))\n\t\treturn null;\n\t InductorElm ie = (InductorElm) c1;\n\t CapacitorElm ce = (CapacitorElm) c2;\n\t return \"res.f = \" + CircuitElm.getUnitText(1/(2*pi*Math.sqrt(ie.inductance*\n\t\t\t\t\t\t ce.capacitance)), \"Hz\");\n\t}\n\tif (hintType == HINT_RC) {\n\t if (!(c1 instanceof ResistorElm))\n\t\treturn null;\n\t if (!(c2 instanceof CapacitorElm))\n\t\treturn null;\n\t ResistorElm re = (ResistorElm) c1;\n\t CapacitorElm ce = (CapacitorElm) c2;\n\t return \"RC = \" + CircuitElm.getUnitText(re.resistance*ce.capacitance,\n\t\t\t\t\t \"s\");\n\t}\n\tif (hintType == HINT_3DB_C) {\n\t if (!(c1 instanceof ResistorElm))\n\t\treturn null;\n\t if (!(c2 instanceof CapacitorElm))\n\t\treturn null;\n\t ResistorElm re = (ResistorElm) c1;\n\t CapacitorElm ce = (CapacitorElm) c2;\n\t return \"f.3db = \" +\n\t\tCircuitElm.getUnitText(1/(2*pi*re.resistance*ce.capacitance), \"Hz\");\n\t}\n\tif (hintType == HINT_3DB_L) {\n\t if (!(c1 instanceof ResistorElm))\n\t\treturn null;\n\t if (!(c2 instanceof InductorElm))\n\t\treturn null;\n\t ResistorElm re = (ResistorElm) c1;\n\t InductorElm ie = (InductorElm) c2;\n\t return \"f.3db = \" +\n\t\tCircuitElm.getUnitText(re.resistance/(2*pi*ie.inductance), \"Hz\");\n\t}\n\tif (hintType == HINT_TWINT) {\n\t if (!(c1 instanceof ResistorElm))\n\t\treturn null;\n\t if (!(c2 instanceof CapacitorElm))\n\t\treturn null;\n\t ResistorElm re = (ResistorElm) c1;\n\t CapacitorElm ce = (CapacitorElm) c2;\n\t return \"fc = \" +\n\t\tCircuitElm.getUnitText(1/(2*pi*re.resistance*ce.capacitance), \"Hz\");\n\t}\n\treturn null;\n }\n\n public void toggleSwitch(int n) {\n\tint i;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t if (ce instanceof SwitchElm) {\n\t\tn--;\n\t\tif (n == 0) {\n\t\t ((SwitchElm) ce).toggle();\n\t\t analyzeFlag = true;\n\t\t cv.repaint();\n\t\t return;\n\t\t}\n\t }\n\t}\n }\n \n void needAnalyze() {\n\tanalyzeFlag = true;\n\tcv.repaint();\n }\n \n Vector nodeList;\n CircuitElm voltageSources[];\n\n public CircuitNode getCircuitNode(int n) {\n\tif (n >= nodeList.size())\n\t return null;\n\treturn nodeList.elementAt(n);\n }\n\n public CircuitElm getElm(int n) {\n\tif (n >= elmList.size())\n\t return null;\n\treturn elmList.elementAt(n);\n }\n \n void analyzeCircuit() {\n\tcalcCircuitBottom();\n\tif (elmList.isEmpty())\n\t return;\n\tstopMessage = null;\n\tstopElm = null;\n\tint i, j;\n\tint vscount = 0;\n\tnodeList = new Vector();\n\tboolean gotGround = false;\n\tboolean gotRail = false;\n\tCircuitElm volt = null;\n\n\t//System.out.println(\"ac1\");\n\t// look for voltage or ground element\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t if (ce instanceof GroundElm) {\n\t\tgotGround = true;\n\t\tbreak;\n\t }\n\t if (ce instanceof RailElm)\n\t\tgotRail = true;\n\t if (volt == null && ce instanceof VoltageElm)\n\t\tvolt = ce;\n\t}\n\n\t// if no ground, and no rails, then the voltage elm's first terminal\n\t// is ground\n\tif (!gotGround && volt != null && !gotRail) {\n\t CircuitNode cn = new CircuitNode();\n\t Point pt = volt.getPost(0);\n\t cn.x = pt.x;\n\t cn.y = pt.y;\n\t nodeList.addElement(cn);\n\t} else {\n\t // otherwise allocate extra node for ground\n\t CircuitNode cn = new CircuitNode();\n\t cn.x = cn.y = -1;\n\t nodeList.addElement(cn);\n\t}\n\t//System.out.println(\"ac2\");\n\n\t// allocate nodes and voltage sources\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t int inodes = ce.getInternalNodeCount();\n\t int ivs = ce.getVoltageSourceCount();\n\t int posts = ce.getPostCount();\n\t \n\t // allocate a node for each post and match posts to nodes\n\t for (j = 0; j != posts; j++) {\n\t\tPoint pt = ce.getPost(j);\n\t\tint k;\n\t\tfor (k = 0; k != nodeList.size(); k++) {\n\t\t CircuitNode cn = getCircuitNode(k);\n\t\t if (pt.x == cn.x && pt.y == cn.y)\n\t\t\tbreak;\n\t\t}\n\t\tif (k == nodeList.size()) {\n\t\t CircuitNode cn = new CircuitNode();\n\t\t cn.x = pt.x;\n\t\t cn.y = pt.y;\n\t\t CircuitNodeLink cnl = new CircuitNodeLink();\n\t\t cnl.num = j;\n\t\t cnl.elm = ce;\n\t\t cn.links.addElement(cnl);\n\t\t ce.setNode(j, nodeList.size());\n\t\t nodeList.addElement(cn);\n\t\t} else {\n\t\t CircuitNodeLink cnl = new CircuitNodeLink();\n\t\t cnl.num = j;\n\t\t cnl.elm = ce;\n\t\t getCircuitNode(k).links.addElement(cnl);\n\t\t ce.setNode(j, k);\n\t\t // if it's the ground node, make sure the node voltage is 0,\n\t\t // cause it may not get set later\n\t\t if (k == 0)\n\t\t\tce.setNodeVoltage(j, 0);\n\t\t}\n\t }\n\t for (j = 0; j != inodes; j++) {\n\t\tCircuitNode cn = new CircuitNode();\n\t\tcn.x = cn.y = -1;\n\t\tcn.internal = true;\n\t\tCircuitNodeLink cnl = new CircuitNodeLink();\n\t\tcnl.num = j+posts;\n\t\tcnl.elm = ce;\n\t\tcn.links.addElement(cnl);\n\t\tce.setNode(cnl.num, nodeList.size());\n\t\tnodeList.addElement(cn);\n\t }\n\t vscount += ivs;\n\t}\n\tvoltageSources = new CircuitElm[vscount];\n\tvscount = 0;\n\tcircuitNonLinear = false;\n\t//System.out.println(\"ac3\");\n\n\t// determine if circuit is nonlinear\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t if (ce.nonLinear())\n\t\tcircuitNonLinear = true;\n\t int ivs = ce.getVoltageSourceCount();\n\t for (j = 0; j != ivs; j++) {\n\t\tvoltageSources[vscount] = ce;\n\t\tce.setVoltageSource(j, vscount++);\n\t }\n\t}\n\tvoltageSourceCount = vscount;\n\n\tint matrixSize = nodeList.size()-1 + vscount;\n\tcircuitMatrix = new double[matrixSize][matrixSize];\n\tcircuitRightSide = new double[matrixSize];\n\torigMatrix = new double[matrixSize][matrixSize];\n\torigRightSide = new double[matrixSize];\n\tcircuitMatrixSize = circuitMatrixFullSize = matrixSize;\n\tcircuitRowInfo = new RowInfo[matrixSize];\n\tcircuitPermute = new int[matrixSize];\n\tint vs = 0;\n\tfor (i = 0; i != matrixSize; i++)\n\t circuitRowInfo[i] = new RowInfo();\n\tcircuitNeedsMap = false;\n\t\n\t// stamp linear circuit elements\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t ce.stamp();\n\t}\n\t//System.out.println(\"ac4\");\n\n\t// determine nodes that are unconnected\n\tboolean closure[] = new boolean[nodeList.size()];\n\tboolean tempclosure[] = new boolean[nodeList.size()];\n\tboolean changed = true;\n\tclosure[0] = true;\n\twhile (changed) {\n\t changed = false;\n\t for (i = 0; i != elmList.size(); i++) {\n\t\tCircuitElm ce = getElm(i);\n\t\t// loop through all ce's nodes to see if they are connected\n\t\t// to other nodes not in closure\n\t\tfor (j = 0; j < ce.getPostCount(); j++) {\n\t\t if (!closure[ce.getNode(j)]) {\n\t\t\tif (ce.hasGroundConnection(j))\n\t\t\t closure[ce.getNode(j)] = changed = true;\n\t\t\tcontinue;\n\t\t }\n\t\t int k;\n\t\t for (k = 0; k != ce.getPostCount(); k++) {\n\t\t\tif (j == k)\n\t\t\t continue;\n\t\t\tint kn = ce.getNode(k);\n\t\t\tif (ce.getConnection(j, k) && !closure[kn]) {\n\t\t\t closure[kn] = true;\n\t\t\t changed = true;\n\t\t\t}\n\t\t }\n\t\t}\n\t }\n\t if (changed)\n\t\tcontinue;\n\n\t // connect unconnected nodes\n\t for (i = 0; i != nodeList.size(); i++)\n\t\tif (!closure[i] && !getCircuitNode(i).internal) {\n\t\t System.out.println(\"node \" + i + \" unconnected\");\n\t\t stampResistor(0, i, 1e8);\n\t\t closure[i] = true;\n\t\t changed = true;\n\t\t break;\n\t\t}\n\t}\n\t//System.out.println(\"ac5\");\n\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t // look for inductors with no current path\n\t if (ce instanceof InductorElm) {\n\t\tFindPathInfo fpi = new FindPathInfo(FindPathInfo.INDUCT, ce,\n\t\t\t\t\t\t ce.getNode(1));\n\t\t// first try findPath with maximum depth of 5, to avoid slowdowns\n\t\tif (!fpi.findPath(ce.getNode(0), 5) &&\n\t\t !fpi.findPath(ce.getNode(0))) {\n\t\t System.out.println(ce + \" no path\");\n\t\t ce.reset();\n\t\t}\n\t }\n\t // look for current sources with no current path\n\t if (ce instanceof CurrentElm) {\n\t\tFindPathInfo fpi = new FindPathInfo(FindPathInfo.INDUCT, ce,\n\t\t\t\t\t\t ce.getNode(1));\n\t\tif (!fpi.findPath(ce.getNode(0))) {\n\t\t stop(\"No path for current source!\", ce);\n\t\t return;\n\t\t}\n\t }\n\t // look for voltage source loops\n\t if ((ce instanceof VoltageElm && ce.getPostCount() == 2) ||\n\t\tce instanceof WireElm) {\n\t\tFindPathInfo fpi = new FindPathInfo(FindPathInfo.VOLTAGE, ce,\n\t\t\t\t\t\t ce.getNode(1));\n\t\tif (fpi.findPath(ce.getNode(0))) {\n\t\t stop(\"Voltage source/wire loop with no resistance!\", ce);\n\t\t return;\n\t\t}\n\t }\n\t // look for shorted caps, or caps w/ voltage but no R\n\t if (ce instanceof CapacitorElm) {\n\t\tFindPathInfo fpi = new FindPathInfo(FindPathInfo.SHORT, ce,\n\t\t\t\t\t\t ce.getNode(1));\n\t\tif (fpi.findPath(ce.getNode(0))) {\n\t\t System.out.println(ce + \" shorted\");\n\t\t ce.reset();\n\t\t} else {\n\t\t fpi = new FindPathInfo(FindPathInfo.CAP_V, ce, ce.getNode(1));\n\t\t if (fpi.findPath(ce.getNode(0))) {\n\t\t\tstop(\"Capacitor loop with no resistance!\", ce);\n\t\t\treturn;\n\t\t }\n\t\t}\n\t }\n\t}\n\t//System.out.println(\"ac6\");\n\n\t// simplify the matrix; this speeds things up quite a bit\n\tfor (i = 0; i != matrixSize; i++) {\n\t int qm = -1, qp = -1;\n\t double qv = 0;\n\t RowInfo re = circuitRowInfo[i];\n\t /*System.out.println(\"row \" + i + \" \" + re.lsChanges + \" \" + re.rsChanges + \" \" +\n\t\t\t re.dropRow);*/\n\t if (re.lsChanges || re.dropRow || re.rsChanges)\n\t\tcontinue;\n\t double rsadd = 0;\n\n\t // look for rows that can be removed\n\t for (j = 0; j != matrixSize; j++) {\n\t\tdouble q = circuitMatrix[i][j];\n\t\tif (circuitRowInfo[j].type == RowInfo.ROW_CONST) {\n\t\t // keep a running total of const values that have been\n\t\t // removed already\n\t\t rsadd -= circuitRowInfo[j].value*q;\n\t\t continue;\n\t\t}\n\t\tif (q == 0)\n\t\t continue;\n\t\tif (qp == -1) {\n\t\t qp = j;\n\t\t qv = q;\n\t\t continue;\n\t\t}\n\t\tif (qm == -1 && q == -qv) {\n\t\t qm = j;\n\t\t continue;\n\t\t}\n\t\tbreak;\n\t }\n\t //System.out.println(\"line \" + i + \" \" + qp + \" \" + qm + \" \" + j);\n\t /*if (qp != -1 && circuitRowInfo[qp].lsChanges) {\n\t\tSystem.out.println(\"lschanges\");\n\t\tcontinue;\n\t }\n\t if (qm != -1 && circuitRowInfo[qm].lsChanges) {\n\t\tSystem.out.println(\"lschanges\");\n\t\tcontinue;\n\t\t}*/\n\t if (j == matrixSize) {\n\t\tif (qp == -1) {\n\t\t stop(\"Matrix error\", null);\n\t\t return;\n\t\t}\n\t\tRowInfo elt = circuitRowInfo[qp];\n\t\tif (qm == -1) {\n\t\t // we found a row with only one nonzero entry; that value\n\t\t // is a constant\n\t\t int k;\n\t\t for (k = 0; elt.type == RowInfo.ROW_EQUAL && k < 100; k++) {\n\t\t\t// follow the chain\n\t\t\t/*System.out.println(\"following equal chain from \" +\n\t\t\t\t\t i + \" \" + qp + \" to \" + elt.nodeEq);*/\n\t\t\tqp = elt.nodeEq;\n\t\t\telt = circuitRowInfo[qp];\n\t\t }\n\t\t if (elt.type == RowInfo.ROW_EQUAL) {\n\t\t\t// break equal chains\n\t\t\t//System.out.println(\"Break equal chain\");\n\t\t\telt.type = RowInfo.ROW_NORMAL;\n\t\t\tcontinue;\n\t\t }\n\t\t if (elt.type != RowInfo.ROW_NORMAL) {\n\t\t\tSystem.out.println(\"type already \" + elt.type + \" for \" + qp + \"!\");\n\t\t\tcontinue;\n\t\t }\n\t\t elt.type = RowInfo.ROW_CONST;\n\t\t elt.value = (circuitRightSide[i]+rsadd)/qv;\n\t\t circuitRowInfo[i].dropRow = true;\n\t\t //System.out.println(qp + \" * \" + qv + \" = const \" + elt.value);\n\t\t i = -1; // start over from scratch\n\t\t} else if (circuitRightSide[i]+rsadd == 0) {\n\t\t // we found a row with only two nonzero entries, and one\n\t\t // is the negative of the other; the values are equal\n\t\t if (elt.type != RowInfo.ROW_NORMAL) {\n\t\t\t//System.out.println(\"swapping\");\n\t\t\tint qq = qm;\n\t\t\tqm = qp; qp = qq;\n\t\t\telt = circuitRowInfo[qp];\n\t\t\tif (elt.type != RowInfo.ROW_NORMAL) {\n\t\t\t // we should follow the chain here, but this\n\t\t\t // hardly ever happens so it's not worth worrying\n\t\t\t // about\n\t\t\t System.out.println(\"swap failed\");\n\t\t\t continue;\n\t\t\t}\n\t\t }\n\t\t elt.type = RowInfo.ROW_EQUAL;\n\t\t elt.nodeEq = qm;\n\t\t circuitRowInfo[i].dropRow = true;\n\t\t //System.out.println(qp + \" = \" + qm);\n\t\t}\n\t }\n\t}\n\t//System.out.println(\"ac7\");\n\n\t// find size of new matrix\n\tint nn = 0;\n\tfor (i = 0; i != matrixSize; i++) {\n\t RowInfo elt = circuitRowInfo[i];\n\t if (elt.type == RowInfo.ROW_NORMAL) {\n\t\telt.mapCol = nn++;\n\t\t//System.out.println(\"col \" + i + \" maps to \" + elt.mapCol);\n\t\tcontinue;\n\t }\n\t if (elt.type == RowInfo.ROW_EQUAL) {\n\t\tRowInfo e2 = null;\n\t\t// resolve chains of equality; 100 max steps to avoid loops\n\t\tfor (j = 0; j != 100; j++) {\n\t\t e2 = circuitRowInfo[elt.nodeEq];\n\t\t if (e2.type != RowInfo.ROW_EQUAL)\n\t\t\tbreak;\n\t\t if (i == e2.nodeEq)\n\t\t\tbreak;\n\t\t elt.nodeEq = e2.nodeEq;\n\t\t}\n\t }\n\t if (elt.type == RowInfo.ROW_CONST)\n\t\telt.mapCol = -1;\n\t}\n\tfor (i = 0; i != matrixSize; i++) {\n\t RowInfo elt = circuitRowInfo[i];\n\t if (elt.type == RowInfo.ROW_EQUAL) {\n\t\tRowInfo e2 = circuitRowInfo[elt.nodeEq];\n\t\tif (e2.type == RowInfo.ROW_CONST) {\n\t\t // if something is equal to a const, it's a const\n\t\t elt.type = e2.type;\n\t\t elt.value = e2.value;\n\t\t elt.mapCol = -1;\n\t\t //System.out.println(i + \" = [late]const \" + elt.value);\n\t\t} else {\n\t\t elt.mapCol = e2.mapCol;\n\t\t //System.out.println(i + \" maps to: \" + e2.mapCol);\n\t\t}\n\t }\n\t}\n\t//System.out.println(\"ac8\");\n\n\t/*System.out.println(\"matrixSize = \" + matrixSize);\n\t\n\tfor (j = 0; j != circuitMatrixSize; j++) {\n\t System.out.println(j + \": \");\n\t for (i = 0; i != circuitMatrixSize; i++)\n\t\tSystem.out.print(circuitMatrix[j][i] + \" \");\n\t System.out.print(\" \" + circuitRightSide[j] + \"\\n\");\n\t}\n\tSystem.out.print(\"\\n\");*/\n\t\n\n\t// make the new, simplified matrix\n\tint newsize = nn;\n\tdouble newmatx[][] = new double[newsize][newsize];\n\tdouble newrs [] = new double[newsize];\n\tint ii = 0;\n\tfor (i = 0; i != matrixSize; i++) {\n\t RowInfo rri = circuitRowInfo[i];\n\t if (rri.dropRow) {\n\t\trri.mapRow = -1;\n\t\tcontinue;\n\t }\n\t newrs[ii] = circuitRightSide[i];\n\t rri.mapRow = ii;\n\t //System.out.println(\"Row \" + i + \" maps to \" + ii);\n\t for (j = 0; j != matrixSize; j++) {\n\t\tRowInfo ri = circuitRowInfo[j];\n\t\tif (ri.type == RowInfo.ROW_CONST)\n\t\t newrs[ii] -= ri.value*circuitMatrix[i][j];\n\t\telse\n\t\t newmatx[ii][ri.mapCol] += circuitMatrix[i][j];\n\t }\n\t ii++;\n\t}\n\n\tcircuitMatrix = newmatx;\n\tcircuitRightSide = newrs;\n\tmatrixSize = circuitMatrixSize = newsize;\n\tfor (i = 0; i != matrixSize; i++)\n\t origRightSide[i] = circuitRightSide[i];\n\tfor (i = 0; i != matrixSize; i++)\n\t for (j = 0; j != matrixSize; j++)\n\t\torigMatrix[i][j] = circuitMatrix[i][j];\n\tcircuitNeedsMap = true;\n\n\t/*\n\tSystem.out.println(\"matrixSize = \" + matrixSize + \" \" + circuitNonLinear);\n\tfor (j = 0; j != circuitMatrixSize; j++) {\n\t for (i = 0; i != circuitMatrixSize; i++)\n\t\tSystem.out.print(circuitMatrix[j][i] + \" \");\n\t System.out.print(\" \" + circuitRightSide[j] + \"\\n\");\n\t}\n\tSystem.out.print(\"\\n\");*/\n\n\t// if a matrix is linear, we can do the lu_factor here instead of\n\t// needing to do it every frame\n\tif (!circuitNonLinear) {\n\t if (!lu_factor(circuitMatrix, circuitMatrixSize, circuitPermute)) {\n\t\tstop(\"Singular matrix!\", null);\n\t\treturn;\n\t }\n\t}\n }\n\n void calcCircuitBottom() {\n\tint i;\n\tcircuitBottom = 0;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t Rectangle rect = getElm(i).boundingBox;\n\t int bottom = rect.height + rect.y;\n\t if (bottom > circuitBottom)\n\t\tcircuitBottom = bottom;\n\t}\n }\n \n class FindPathInfo {\n\tstatic final int INDUCT = 1;\n\tstatic final int VOLTAGE = 2;\n\tstatic final int SHORT = 3;\n\tstatic final int CAP_V = 4;\n\tboolean used[];\n\tint dest;\n\tCircuitElm firstElm;\n\tint type;\n\tFindPathInfo(int t, CircuitElm e, int d) {\n\t dest = d;\n\t type = t;\n\t firstElm = e;\n\t used = new boolean[nodeList.size()];\n\t}\n\tboolean findPath(int n1) { return findPath(n1, -1); }\n\tboolean findPath(int n1, int depth) {\n\t if (n1 == dest)\n\t\treturn true;\n\t if (depth-- == 0)\n\t\treturn false;\n\t if (used[n1]) {\n\t\t//System.out.println(\"used \" + n1);\n\t\treturn false;\n\t }\n\t used[n1] = true;\n\t int i;\n\t for (i = 0; i != elmList.size(); i++) {\n\t\tCircuitElm ce = getElm(i);\n\t\tif (ce == firstElm)\n\t\t continue;\n\t\tif (type == INDUCT) {\n\t\t if (ce instanceof CurrentElm)\n\t\t\tcontinue;\n\t\t}\n\t\tif (type == VOLTAGE) {\n\t\t if (!(ce.isWire() || ce instanceof VoltageElm))\n\t\t\tcontinue;\n\t\t}\n\t\tif (type == SHORT && !ce.isWire())\n\t\t continue;\n\t\tif (type == CAP_V) {\n\t\t if (!(ce.isWire() || ce instanceof CapacitorElm ||\n\t\t\t ce instanceof VoltageElm))\n\t\t\tcontinue;\n\t\t}\n\t\tif (n1 == 0) {\n\t\t // look for posts which have a ground connection;\n\t\t // our path can go through ground\n\t\t int j;\n\t\t for (j = 0; j != ce.getPostCount(); j++)\n\t\t\tif (ce.hasGroundConnection(j) &&\n\t\t\t findPath(ce.getNode(j), depth)) {\n\t\t\t used[n1] = false;\n\t\t\t return true;\n\t\t\t}\n\t\t}\n\t\tint j;\n\t\tfor (j = 0; j != ce.getPostCount(); j++) {\n\t\t //System.out.println(ce + \" \" + ce.getNode(j));\n\t\t if (ce.getNode(j) == n1)\n\t\t\tbreak;\n\t\t}\n\t\tif (j == ce.getPostCount())\n\t\t continue;\n\t\tif (ce.hasGroundConnection(j) && findPath(0, depth)) {\n\t\t //System.out.println(ce + \" has ground\");\n\t\t used[n1] = false;\n\t\t return true;\n\t\t}\n\t\tif (type == INDUCT && ce instanceof InductorElm) {\n\t\t double c = ce.getCurrent();\n\t\t if (j == 0)\n\t\t\tc = -c;\n\t\t //System.out.println(\"matching \" + c + \" to \" + firstElm.getCurrent());\n\t\t //System.out.println(ce + \" \" + firstElm);\n\t\t if (Math.abs(c-firstElm.getCurrent()) > 1e-10)\n\t\t\tcontinue;\n\t\t}\n\t\tint k;\n\t\tfor (k = 0; k != ce.getPostCount(); k++) {\n\t\t if (j == k)\n\t\t\tcontinue;\n\t\t //System.out.println(ce + \" \" + ce.getNode(j) + \"-\" + ce.getNode(k));\n\t\t if (ce.getConnection(j, k) && findPath(ce.getNode(k), depth)) {\n\t\t\t//System.out.println(\"got findpath \" + n1);\n\t\t\tused[n1] = false;\n\t\t\treturn true;\n\t\t }\n\t\t //System.out.println(\"back on findpath \" + n1);\n\t\t}\n\t }\n\t used[n1] = false;\n\t //System.out.println(n1 + \" failed\");\n\t return false;\n\t}\n }\n\n void stop(String s, CircuitElm ce) {\n\tstopMessage = s;\n\tcircuitMatrix = null;\n\tstopElm = ce;\n\tstoppedCheck.setState(true);\n\tanalyzeFlag = false;\n\tcv.repaint();\n }\n \n // control voltage source vs with voltage from n1 to n2 (must\n // also call stampVoltageSource())\n void stampVCVS(int n1, int n2, double coef, int vs) {\n\tint vn = nodeList.size()+vs;\n\tstampMatrix(vn, n1, coef);\n\tstampMatrix(vn, n2, -coef);\n }\n \n // stamp independent voltage source #vs, from n1 to n2, amount v\n void stampVoltageSource(int n1, int n2, int vs, double v) {\n\tint vn = nodeList.size()+vs;\n\tstampMatrix(vn, n1, -1);\n\tstampMatrix(vn, n2, 1);\n\tstampRightSide(vn, v);\n\tstampMatrix(n1, vn, 1);\n\tstampMatrix(n2, vn, -1);\n }\n\n // use this if the amount of voltage is going to be updated in doStep()\n void stampVoltageSource(int n1, int n2, int vs) {\n\tint vn = nodeList.size()+vs;\n\tstampMatrix(vn, n1, -1);\n\tstampMatrix(vn, n2, 1);\n\tstampRightSide(vn);\n\tstampMatrix(n1, vn, 1);\n\tstampMatrix(n2, vn, -1);\n }\n \n void updateVoltageSource(int n1, int n2, int vs, double v) {\n\tint vn = nodeList.size()+vs;\n\tstampRightSide(vn, v);\n }\n \n void stampResistor(int n1, int n2, double r) {\n\tdouble r0 = 1/r;\n\tif (Double.isNaN(r0) || Double.isInfinite(r0)) {\n\t System.out.print(\"bad resistance \" + r + \" \" + r0 + \"\\n\");\n\t int a = 0;\n\t a /= a;\n\t}\n\tstampMatrix(n1, n1, r0);\n\tstampMatrix(n2, n2, r0);\n\tstampMatrix(n1, n2, -r0);\n\tstampMatrix(n2, n1, -r0);\n }\n\n void stampConductance(int n1, int n2, double r0) {\n\tstampMatrix(n1, n1, r0);\n\tstampMatrix(n2, n2, r0);\n\tstampMatrix(n1, n2, -r0);\n\tstampMatrix(n2, n1, -r0);\n }\n\n // current from cn1 to cn2 is equal to voltage from vn1 to 2, divided by g\n void stampVCCurrentSource(int cn1, int cn2, int vn1, int vn2, double g) {\n\tstampMatrix(cn1, vn1, g);\n\tstampMatrix(cn2, vn2, g);\n\tstampMatrix(cn1, vn2, -g);\n\tstampMatrix(cn2, vn1, -g);\n }\n\n void stampCurrentSource(int n1, int n2, double i) {\n\tstampRightSide(n1, -i);\n\tstampRightSide(n2, i);\n }\n\n // stamp a current source from n1 to n2 depending on current through vs\n void stampCCCS(int n1, int n2, int vs, double gain) {\n\tint vn = nodeList.size()+vs;\n\tstampMatrix(n1, vn, gain);\n\tstampMatrix(n2, vn, -gain);\n }\n\n // stamp value x in row i, column j, meaning that a voltage change\n // of dv in node j will increase the current into node i by x dv.\n // (Unless i or j is a voltage source node.)\n void stampMatrix(int i, int j, double x) {\n\tif (i > 0 && j > 0) {\n\t if (circuitNeedsMap) {\n\t\ti = circuitRowInfo[i-1].mapRow;\n\t\tRowInfo ri = circuitRowInfo[j-1];\n\t\tif (ri.type == RowInfo.ROW_CONST) {\n\t\t //System.out.println(\"Stamping constant \" + i + \" \" + j + \" \" + x);\n\t\t circuitRightSide[i] -= x*ri.value;\n\t\t return;\n\t\t}\n\t\tj = ri.mapCol;\n\t\t//System.out.println(\"stamping \" + i + \" \" + j + \" \" + x);\n\t } else {\n\t\ti--;\n\t\tj--;\n\t }\n\t circuitMatrix[i][j] += x;\n\t}\n }\n\n // stamp value x on the right side of row i, representing an\n // independent current source flowing into node i\n void stampRightSide(int i, double x) {\n\tif (i > 0) {\n\t if (circuitNeedsMap) {\n\t\ti = circuitRowInfo[i-1].mapRow;\n\t\t//System.out.println(\"stamping \" + i + \" \" + x);\n\t } else\n\t\ti--;\n\t circuitRightSide[i] += x;\n\t}\n }\n\n // indicate that the value on the right side of row i changes in doStep()\n void stampRightSide(int i) {\n\t//System.out.println(\"rschanges true \" + (i-1));\n\tif (i > 0)\n\t circuitRowInfo[i-1].rsChanges = true;\n }\n \n // indicate that the values on the left side of row i change in doStep()\n void stampNonLinear(int i) {\n\tif (i > 0)\n\t circuitRowInfo[i-1].lsChanges = true;\n }\n\n double getIterCount() {\n\tif (speedBar.getValue() == 0)\n\t return 0;\n\t//return (Math.exp((speedBar.getValue()-1)/24.) + .5);\n\treturn .1*Math.exp((speedBar.getValue()-61)/24.);\n }\n \n boolean converged;\n int subIterations;\n void runCircuit() {\n\tif (circuitMatrix == null || elmList.size() == 0) {\n\t circuitMatrix = null;\n\t return;\n\t}\n\tint iter;\n\t//int maxIter = getIterCount();\n\tboolean debugprint = dumpMatrix;\n\tdumpMatrix = false;\n\tlong steprate = (long) (160*getIterCount());\n\tlong tm = System.currentTimeMillis();\n\tlong lit = lastIterTime;\n\tif (1000 >= steprate*(tm-lastIterTime))\n\t return;\n\tfor (iter = 1; ; iter++) {\n\t int i, j, k, subiter;\n\t for (i = 0; i != elmList.size(); i++) {\n\t\tCircuitElm ce = getElm(i);\n\t\tce.startIteration();\n\t }\n\t steps++;\n\t final int subiterCount = 5000;\n\t for (subiter = 0; subiter != subiterCount; subiter++) {\n\t\tconverged = true;\n\t\tsubIterations = subiter;\n\t\tfor (i = 0; i != circuitMatrixSize; i++)\n\t\t circuitRightSide[i] = origRightSide[i];\n\t\tif (circuitNonLinear) {\n\t\t for (i = 0; i != circuitMatrixSize; i++)\n\t\t\tfor (j = 0; j != circuitMatrixSize; j++)\n\t\t\t circuitMatrix[i][j] = origMatrix[i][j];\n\t\t}\n\t\tfor (i = 0; i != elmList.size(); i++) {\n\t\t CircuitElm ce = getElm(i);\n\t\t ce.doStep();\n\t\t}\n\t\tif (stopMessage != null)\n\t\t return;\n\t\tboolean printit = debugprint;\n\t\tdebugprint = false;\n\t\tfor (j = 0; j != circuitMatrixSize; j++) {\n\t\t for (i = 0; i != circuitMatrixSize; i++) {\n\t\t\tdouble x = circuitMatrix[i][j];\n\t\t\tif (Double.isNaN(x) || Double.isInfinite(x)) {\n\t\t\t stop(\"nan/infinite matrix!\", null);\n\t\t\t return;\n\t\t\t}\n\t\t }\n\t\t}\n\t\tif (printit) {\n\t\t for (j = 0; j != circuitMatrixSize; j++) {\n\t\t\tfor (i = 0; i != circuitMatrixSize; i++)\n\t\t\t System.out.print(circuitMatrix[j][i] + \",\");\n\t\t\tSystem.out.print(\" \" + circuitRightSide[j] + \"\\n\");\n\t\t }\n\t\t System.out.print(\"\\n\");\n\t\t}\n\t\tif (circuitNonLinear) {\n\t\t if (converged && subiter > 0)\n\t\t\tbreak;\n\t\t if (!lu_factor(circuitMatrix, circuitMatrixSize,\n\t\t\t\t circuitPermute)) {\n\t\t\tstop(\"Singular matrix!\", null);\n\t\t\treturn;\n\t\t }\n\t\t}\n\t\tlu_solve(circuitMatrix, circuitMatrixSize, circuitPermute,\n\t\t\t circuitRightSide);\n\t\t\n\t\tfor (j = 0; j != circuitMatrixFullSize; j++) {\n\t\t RowInfo ri = circuitRowInfo[j];\n\t\t double res = 0;\n\t\t if (ri.type == RowInfo.ROW_CONST)\n\t\t\tres = ri.value;\n\t\t else\n\t\t\tres = circuitRightSide[ri.mapCol];\n\t\t /*System.out.println(j + \" \" + res + \" \" +\n\t\t ri.type + \" \" + ri.mapCol);*/\n\t\t if (Double.isNaN(res)) {\n\t\t\tconverged = false;\n\t\t\t//debugprint = true;\n\t\t\tbreak;\n\t\t }\n\t\t if (j < nodeList.size()-1) {\n\t\t\tCircuitNode cn = getCircuitNode(j+1);\n\t\t\tfor (k = 0; k != cn.links.size(); k++) {\n\t\t\t CircuitNodeLink cnl = (CircuitNodeLink)\n\t\t\t\tcn.links.elementAt(k);\n\t\t\t cnl.elm.setNodeVoltage(cnl.num, res);\n\t\t\t}\n\t\t } else {\n\t\t\tint ji = j-(nodeList.size()-1);\n\t\t\t//System.out.println(\"setting vsrc \" + ji + \" to \" + res);\n\t\t\tvoltageSources[ji].setCurrent(ji, res);\n\t\t }\n\t\t}\n\t\tif (!circuitNonLinear)\n\t\t break;\n\t }\n\t if (subiter > 5)\n\t\tSystem.out.print(\"converged after \" + subiter + \" iterations\\n\");\n\t if (subiter == subiterCount) {\n\t\tstop(\"Convergence failed!\", null);\n\t\tbreak;\n\t }\n\t t += timeStep;\n\t for (i = 0; i != scopeCount; i++)\n\t\tscopes[i].timeStep();\n\t tm = System.currentTimeMillis();\n\t lit = tm;\n\t if (iter*1000 >= steprate*(tm-lastIterTime) ||\n\t\t(tm-lastFrameTime > 500))\n\t\tbreak;\n\t}\n\tlastIterTime = lit;\n\t//System.out.println((System.currentTimeMillis()-lastFrameTime)/(double) iter);\n }\n\n int min(int a, int b) { return (a < b) ? a : b; }\n int max(int a, int b) { return (a > b) ? a : b; }\n\n void editFuncPoint(int x, int y) {\n\t// XXX\n\tcv.repaint(pause);\n }\n\n public void componentHidden(ComponentEvent e){}\n public void componentMoved(ComponentEvent e){}\n public void componentShown(ComponentEvent e) {\n\tcv.repaint();\n }\n\n public void componentResized(ComponentEvent e) {\n\thandleResize();\n\tcv.repaint(100);\n }\n public void actionPerformed(ActionEvent e) {\n\tString ac = e.getActionCommand();\n\tif (e.getSource() == resetButton) {\n\t int i;\n\t \n\t // on IE, drawImage() stops working inexplicably every once in\n\t // a while. Recreating it fixes the problem, so we do that here.\n\t dbimage = main.createImage(winSize.width, winSize.height);\n\t \n\t for (i = 0; i != elmList.size(); i++)\n\t\tgetElm(i).reset();\n\t for (i = 0; i != scopeCount; i++)\n\t\tscopes[i].resetGraph();\n\t analyzeFlag = true;\n\t t = 0;\n\t stoppedCheck.setState(false);\n\t cv.repaint();\n\t}\n\tif (e.getSource() == dumpMatrixButton)\n\t dumpMatrix = true;\n\tif (e.getSource() == exportItem)\n\t doExport(false);\n\tif (e.getSource() == optionsItem)\n\t doEdit(new EditOptions(this));\n\tif (e.getSource() == importItem)\n\t doImport();\n\tif (e.getSource() == exportLinkItem)\n\t doExport(true);\n\tif (e.getSource() == undoItem)\n\t doUndo();\n\tif (e.getSource() == redoItem)\n\t doRedo();\n\tif (ac.compareTo(\"Cut\") == 0) {\n\t if (e.getSource() != elmCutMenuItem)\n\t\tmenuElm = null;\n\t doCut();\n\t}\n\tif (ac.compareTo(\"Copy\") == 0) {\n\t if (e.getSource() != elmCopyMenuItem)\n\t\tmenuElm = null;\n\t doCopy();\n\t}\n\tif (ac.compareTo(\"Paste\") == 0)\n\t doPaste();\n\tif (e.getSource() == selectAllItem)\n\t doSelectAll();\n\tif (e.getSource() == exitItem) {\n\t destroyFrame();\n\t return;\n\t}\n\tif (ac.compareTo(\"stackAll\") == 0)\n\t stackAll();\n\tif (ac.compareTo(\"unstackAll\") == 0)\n\t unstackAll();\n\tif (e.getSource() == elmEditMenuItem)\n\t doEdit(menuElm);\n\tif (ac.compareTo(\"Delete\") == 0) {\n\t if (e.getSource() != elmDeleteMenuItem)\n\t\tmenuElm = null;\n\t doDelete();\n\t}\n\tif (e.getSource() == elmScopeMenuItem && menuElm != null) {\n\t int i;\n\t for (i = 0; i != scopeCount; i++)\n\t\tif (scopes[i].elm == null)\n\t\t break;\n\t if (i == scopeCount) {\n\t\tif (scopeCount == scopes.length)\n\t\t return;\n\t\tscopeCount++;\n\t\tscopes[i] = new Scope(this);\n\t\tscopes[i].position = i;\n\t\thandleResize();\n\t }\n\t scopes[i].setElm(menuElm);\n\t}\n\tif (menuScope != -1) {\n\t if (ac.compareTo(\"remove\") == 0)\n\t\tscopes[menuScope].setElm(null);\n\t if (ac.compareTo(\"speed2\") == 0)\n\t\tscopes[menuScope].speedUp();\n\t if (ac.compareTo(\"speed1/2\") == 0)\n\t\tscopes[menuScope].slowDown();\n\t if (ac.compareTo(\"scale\") == 0)\n\t\tscopes[menuScope].adjustScale(.5);\n\t if (ac.compareTo(\"maxscale\") == 0)\n\t\tscopes[menuScope].adjustScale(1e-50);\n\t if (ac.compareTo(\"stack\") == 0)\n\t\tstackScope(menuScope);\n\t if (ac.compareTo(\"unstack\") == 0)\n\t\tunstackScope(menuScope);\n\t if (ac.compareTo(\"selecty\") == 0)\n\t\tscopes[menuScope].selectY();\n\t if (ac.compareTo(\"reset\") == 0)\n\t\tscopes[menuScope].resetGraph();\n\t cv.repaint();\n\t}\n\tif (ac.indexOf(\"setup \") == 0) {\n\t pushUndo();\n\t readSetupFile(ac.substring(6),\n\t\t\t ((MenuItem) e.getSource()).getLabel());\n\t}\n }\n\n void stackScope(int s) {\n\tif (s == 0) {\n\t if (scopeCount < 2)\n\t\treturn;\n\t s = 1;\n\t}\n\tif (scopes[s].position == scopes[s-1].position)\n\t return;\n\tscopes[s].position = scopes[s-1].position;\n\tfor (s++; s < scopeCount; s++)\n\t scopes[s].position--;\n }\n \n void unstackScope(int s) {\n\tif (s == 0) {\n\t if (scopeCount < 2)\n\t\treturn;\n\t s = 1;\n\t}\n\tif (scopes[s].position != scopes[s-1].position)\n\t return;\n\tfor (; s < scopeCount; s++)\n\t scopes[s].position++;\n }\n\n void stackAll() {\n\tint i;\n\tfor (i = 0; i != scopeCount; i++) {\n\t scopes[i].position = 0;\n\t scopes[i].showMax = scopes[i].showMin = false;\n\t}\n }\n\n void unstackAll() {\n\tint i;\n\tfor (i = 0; i != scopeCount; i++) {\n\t scopes[i].position = i;\n\t scopes[i].showMax = true;\n\t}\n }\n \n void doEdit(Editable eable) {\n\tclearSelection();\n\tpushUndo();\n\tif (editDialog != null) {\n\t requestFocus();\n\t editDialog.setVisible(false);\n\t editDialog = null;\n\t}\n\teditDialog = new EditDialog(eable, this);\n\teditDialog.show();\n }\n\n void doImport() {\n\tif (impDialog == null)\n\t impDialog = ImportExportDialogFactory.Create(this,\n\t\tImportExportDialog.Action.IMPORT);\n//\t impDialog = new ImportExportClipboardDialog(this,\n//\t\tImportExportDialog.Action.IMPORT);\n\tpushUndo();\n\timpDialog.execute();\n }\n\n void doExport(boolean url)\n {\n \tString dump = dumpCircuit();\n\tif (url)\n\t dump = baseURL + \"#\" + URLEncoder.encode(dump);\n\tif (expDialog == null) {\n\t expDialog = ImportExportDialogFactory.Create(this,\n\t\t ImportExportDialog.Action.EXPORT);\n//\t expDialog = new ImportExportClipboardDialog(this,\n//\t\t ImportExportDialog.Action.EXPORT);\n\t}\n expDialog.setDump(dump);\n\texpDialog.execute();\n }\n \n String dumpCircuit() {\n\tint i;\n\tint f = (dotsCheckItem.getState()) ? 1 : 0;\n\tf |= (smallGridCheckItem.getState()) ? 2 : 0;\n\tf |= (voltsCheckItem.getState()) ? 0 : 4;\n\tf |= (powerCheckItem.getState()) ? 8 : 0;\n\tf |= (showValuesCheckItem.getState()) ? 0 : 16;\n\t// 32 = linear scale in afilter\n\tString dump = \"$ \" + f + \" \" +\n\t timeStep + \" \" + getIterCount() + \" \" +\n\t currentBar.getValue() + \" \" + CircuitElm.voltageRange + \" \" +\n\t powerBar.getValue() + \"\\n\";\n\tfor (i = 0; i != elmList.size(); i++)\n\t dump += getElm(i).dump() + \"\\n\";\n\tfor (i = 0; i != scopeCount; i++) {\n\t String d = scopes[i].dump();\n\t if (d != null)\n\t\tdump += d + \"\\n\";\n\t}\n\tif (hintType != -1)\n\t dump += \"h \" + hintType + \" \" + hintItem1 + \" \" +\n\t\thintItem2 + \"\\n\";\n\treturn dump;\n }\n \n public void adjustmentValueChanged(AdjustmentEvent e) {\n\tSystem.out.print(((Scrollbar) e.getSource()).getValue() + \"\\n\");\n }\n\n ByteArrayOutputStream readUrlData(URL url) throws java.io.IOException {\n\tObject o = url.getContent();\n\tFilterInputStream fis = (FilterInputStream) o;\n\tByteArrayOutputStream ba = new ByteArrayOutputStream(fis.available());\n\tint blen = 1024;\n\tbyte b[] = new byte[blen];\n\twhile (true) {\n\t int len = fis.read(b);\n\t if (len <= 0)\n\t\tbreak;\n\t ba.write(b, 0, len);\n\t}\n\treturn ba;\n }\n\n URL getCodeBase() {\n\ttry {\n\t if (applet != null)\n\t\treturn applet.getCodeBase();\n\t File f = new File(\".\");\n\t return new URL(\"file:\" + f.getCanonicalPath() + \"/\");\n\t} catch (Exception e) {\n\t e.printStackTrace();\n\t return null;\n\t}\n }\n \n void getSetupList(Menu menu, boolean retry) {\n\tMenu stack[] = new Menu[6];\n\tint stackptr = 0;\n\tstack[stackptr++] = menu;\n\ttry {\n\t // hausen: if setuplist.txt does not exist in the same\n\t // directory, try reading from the jar file\n\t ByteArrayOutputStream ba = null;\n\t try {\n\t\tURL url = new URL(getCodeBase() + \"setuplist.txt\");\n\t\tba = readUrlData(url);\n\t } catch (Exception e) {\n\t\tURL url = getClass().getClassLoader().getResource(\"setuplist.txt\");\n\t\tba = readUrlData(url);\n\t }\n\t // /hausen\n\n\t byte b[] = ba.toByteArray();\n\t int len = ba.size();\n\t int p;\n\t if (len == 0 || b[0] != '#') {\n\t\t// got a redirect, try again\n\t\tgetSetupList(menu, true);\n\t\treturn;\n\t }\n\t for (p = 0; p < len; ) {\n\t\tint l;\n\t\tfor (l = 0; l != len-p; l++)\n\t\t if (b[l+p] == '\\n') {\n\t\t\tl++;\n\t\t\tbreak;\n\t\t }\n\t\tString line = new String(b, p, l-1);\n\t\tif (line.charAt(0) == '#')\n\t\t ;\n\t\telse if (line.charAt(0) == '+') {\n\t\t Menu n = new Menu(line.substring(1));\n\t\t menu.add(n);\n\t\t menu = stack[stackptr++] = n;\n\t\t} else if (line.charAt(0) == '-') {\n\t\t menu = stack[--stackptr-1];\n\t\t} else {\n\t\t int i = line.indexOf(' ');\n\t\t if (i > 0) {\n\t\t\tString title = line.substring(i+1);\n\t\t\tboolean first = false;\n\t\t\tif (line.charAt(0) == '>')\n\t\t\t first = true;\n\t\t\tString file = line.substring(first ? 1 : 0, i);\n\t\t\tmenu.add(getMenuItem(title, \"setup \" + file));\n\t\t\tif (first && startCircuit == null) {\n\t\t\t startCircuit = file;\n\t\t\t startLabel = title;\n\t\t\t}\n\t\t }\n\t\t}\n\t\tp += l;\n\t }\n\t} catch (Exception e) {\n\t e.printStackTrace();\n\t stop(\"Can't read setuplist.txt!\", null);\n\t}\n }\n\n void readSetup(String text) {\n\treadSetup(text, false);\n }\n \n void readSetup(String text, boolean retain) {\n\treadSetup(text.getBytes(), text.length(), retain);\n\ttitleLabel.setText(\"untitled\");\n }\n\n void readSetupFile(String str, String title) {\n\tt = 0;\n\tSystem.out.println(str);\n\ttry {\n\t URL url = new URL(getCodeBase() + \"circuits/\" + str);\n\t ByteArrayOutputStream ba = readUrlData(url);\n\t readSetup(ba.toByteArray(), ba.size(), false);\n\t} catch (Exception e1) {\n\t try {\n\t\tURL url = getClass().getClassLoader().getResource(\"circuits/\" + str);\n\t\tByteArrayOutputStream ba = readUrlData(url);\n\t\treadSetup(ba.toByteArray(), ba.size(), false);\n\t } catch (Exception e) {\n\t\te.printStackTrace();\n\t\tstop(\"Unable to read \" + str + \"!\", null);\n\t }\n\t}\n\ttitleLabel.setText(title);\n }\n\n void readSetup(byte b[], int len, boolean retain) {\n\tint i;\n\tif (!retain) {\n\t for (i = 0; i != elmList.size(); i++) {\n\t\tCircuitElm ce = getElm(i);\n\t\tce.delete();\n\t }\n\t elmList.removeAllElements();\n\t hintType = -1;\n\t timeStep = 5e-6;\n\t dotsCheckItem.setState(false); // hausen: changed from true to false\n\t smallGridCheckItem.setState(false);\n\t powerCheckItem.setState(false);\n\t voltsCheckItem.setState(true);\n\t showValuesCheckItem.setState(true);\n\t setGrid();\n\t speedBar.setValue(117); // 57\n\t currentBar.setValue(50);\n\t powerBar.setValue(50);\n\t CircuitElm.voltageRange = 5;\n\t scopeCount = 0;\n\t}\n\tcv.repaint();\n\tint p;\n\tfor (p = 0; p < len; ) {\n\t int l;\n\t int linelen = 0;\n\t for (l = 0; l != len-p; l++)\n\t\tif (b[l+p] == '\\n' || b[l+p] == '\\r') {\n\t\t linelen = l++;\n\t\t if (l+p < b.length && b[l+p] == '\\n')\n\t\t\tl++;\n\t\t break;\n\t\t}\n\t String line = new String(b, p, linelen);\n\t StringTokenizer st = new StringTokenizer(line);\n\t while (st.hasMoreTokens()) {\n\t\tString type = st.nextToken();\n\t\tint tint = type.charAt(0);\n\t\ttry {\n\t\t if (tint == 'o') {\n\t\t\tScope sc = new Scope(this);\n\t\t\tsc.position = scopeCount;\n\t\t\tsc.undump(st);\n\t\t\tscopes[scopeCount++] = sc;\n\t\t\tbreak;\n\t\t }\n\t\t if (tint == 'h') {\n\t\t\treadHint(st);\n\t\t\tbreak;\n\t\t }\n\t\t if (tint == '$') {\n\t\t\treadOptions(st);\n\t\t\tbreak;\n\t\t }\n\t\t if (tint == '%' || tint == '?' || tint == 'B') {\n\t\t\t// ignore afilter-specific stuff\n\t\t\tbreak;\n\t\t }\n\t\t if (tint >= '0' && tint <= '9')\n\t\t\ttint = new Integer(type).intValue();\n\t\t int x1 = new Integer(st.nextToken()).intValue();\n\t\t int y1 = new Integer(st.nextToken()).intValue();\n\t\t int x2 = new Integer(st.nextToken()).intValue();\n\t\t int y2 = new Integer(st.nextToken()).intValue();\n\t\t int f = new Integer(st.nextToken()).intValue();\n\t\t CircuitElm ce = null;\n\t\t Class cls = dumpTypes[tint];\n\t\t if (cls == null) {\n\t\t\tSystem.out.println(\"unrecognized dump type: \" + type);\n\t\t\tbreak;\n\t\t }\n\t\t // find element class\n\t\t Class carr[] = new Class[6];\n\t\t //carr[0] = getClass();\n\t\t carr[0] = carr[1] = carr[2] = carr[3] = carr[4] =\n\t\t\tint.class;\n\t\t carr[5] = StringTokenizer.class;\n\t\t Constructor cstr = null;\n\t\t cstr = cls.getConstructor(carr);\n\t\t\n\t\t // invoke constructor with starting coordinates\n\t\t Object oarr[] = new Object[6];\n\t\t //oarr[0] = this;\n\t\t oarr[0] = new Integer(x1);\n\t\t oarr[1] = new Integer(y1);\n\t\t oarr[2] = new Integer(x2);\n\t\t oarr[3] = new Integer(y2);\n\t\t oarr[4] = new Integer(f );\n\t\t oarr[5] = st;\n\t\t ce = (CircuitElm) cstr.newInstance(oarr);\n\t\t ce.setPoints();\n\t\t elmList.addElement(ce);\n\t\t} catch (java.lang.reflect.InvocationTargetException ee) {\n\t\t ee.getTargetException().printStackTrace();\n\t\t break;\n\t\t} catch (Exception ee) {\n\t\t ee.printStackTrace();\n\t\t break;\n\t\t}\n\t\tbreak;\n\t }\n\t p += l;\n\t \n\t}\n\tenableItems();\n\tif (!retain)\n\t handleResize(); // for scopes\n\tneedAnalyze();\n }\n\n void readHint(StringTokenizer st) {\n\thintType = new Integer(st.nextToken()).intValue();\n\thintItem1 = new Integer(st.nextToken()).intValue();\n\thintItem2 = new Integer(st.nextToken()).intValue();\n }\n\n void readOptions(StringTokenizer st) {\n\tint flags = new Integer(st.nextToken()).intValue();\n\tdotsCheckItem.setState((flags & 1) != 0);\n\tsmallGridCheckItem.setState((flags & 2) != 0);\n\tvoltsCheckItem.setState((flags & 4) == 0);\n\tpowerCheckItem.setState((flags & 8) == 8);\n\tshowValuesCheckItem.setState((flags & 16) == 0);\n\ttimeStep = new Double (st.nextToken()).doubleValue();\n\tdouble sp = new Double(st.nextToken()).doubleValue();\n\tint sp2 = (int) (Math.log(10*sp)*24+61.5);\n\t//int sp2 = (int) (Math.log(sp)*24+1.5);\n\tspeedBar.setValue(sp2);\n\tcurrentBar.setValue(new Integer(st.nextToken()).intValue());\n\tCircuitElm.voltageRange = new Double (st.nextToken()).doubleValue();\n\ttry {\n\t powerBar.setValue(new Integer(st.nextToken()).intValue());\n\t} catch (Exception e) {\n\t}\n\tsetGrid();\n }\n \n int snapGrid(int x) {\n\treturn (x+gridRound) & gridMask;\n }\n\n boolean doSwitch(int x, int y) {\n\tif (mouseElm == null || !(mouseElm instanceof SwitchElm))\n\t return false;\n\tSwitchElm se = (SwitchElm) mouseElm;\n\tse.toggle();\n\tif (se.momentary)\n\t heldSwitchElm = se;\n\tneedAnalyze();\n\treturn true;\n }\n\n int locateElm(CircuitElm elm) {\n\tint i;\n\tfor (i = 0; i != elmList.size(); i++)\n\t if (elm == elmList.elementAt(i))\n\t\treturn i;\n\treturn -1;\n }\n \n public void mouseDragged(MouseEvent e) {\n\t// ignore right mouse button with no modifiers (needed on PC)\n\tif ((e.getModifiers() & MouseEvent.BUTTON3_MASK) != 0) {\n\t int ex = e.getModifiersEx();\n\t if ((ex & (MouseEvent.META_DOWN_MASK|\n\t\t MouseEvent.SHIFT_DOWN_MASK|\n\t\t MouseEvent.CTRL_DOWN_MASK|\n\t\t MouseEvent.ALT_DOWN_MASK)) == 0)\n\t\treturn;\n\t}\n\tif (!circuitArea.contains(e.getX(), e.getY()))\n\t return;\n\tif (dragElm != null)\n\t dragElm.drag(e.getX(), e.getY());\n\tboolean success = true;\n\tswitch (tempMouseMode) {\n\tcase MODE_DRAG_ALL:\n\t dragAll(snapGrid(e.getX()), snapGrid(e.getY()));\n\t break;\n\tcase MODE_DRAG_ROW:\n\t dragRow(snapGrid(e.getX()), snapGrid(e.getY()));\n\t break;\n\tcase MODE_DRAG_COLUMN:\n\t dragColumn(snapGrid(e.getX()), snapGrid(e.getY()));\n\t break;\n\tcase MODE_DRAG_POST:\n\t if (mouseElm != null)\n\t\tdragPost(snapGrid(e.getX()), snapGrid(e.getY()));\n\t break;\n\tcase MODE_SELECT:\n\t if (mouseElm == null)\n\t\tselectArea(e.getX(), e.getY());\n\t else {\n\t\ttempMouseMode = MODE_DRAG_SELECTED;\n\t\tsuccess = dragSelected(e.getX(), e.getY());\n\t }\n\t break;\n\tcase MODE_DRAG_SELECTED:\n\t success = dragSelected(e.getX(), e.getY());\n\t break;\n\t}\n\tdragging = true;\n\tif (success) {\n\t if (tempMouseMode == MODE_DRAG_SELECTED && mouseElm instanceof GraphicElm ) {\n\t\tdragX = e.getX(); dragY = e.getY();\n\t } else {\n\t\tdragX = snapGrid(e.getX()); dragY = snapGrid(e.getY());\n\t }\n\t}\n\tcv.repaint(pause);\n }\n\n void dragAll(int x, int y) {\n\tint dx = x-dragX;\n\tint dy = y-dragY;\n\tif (dx == 0 && dy == 0)\n\t return;\n\tint i;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t ce.move(dx, dy);\n\t}\n\tremoveZeroLengthElements();\n }\n\n void dragRow(int x, int y) {\n\tint dy = y-dragY;\n\tif (dy == 0)\n\t return;\n\tint i;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t if (ce.y == dragY)\n\t\tce.movePoint(0, 0, dy);\n\t if (ce.y2 == dragY)\n\t\tce.movePoint(1, 0, dy);\n\t}\n\tremoveZeroLengthElements();\n }\n \n void dragColumn(int x, int y) {\n\tint dx = x-dragX;\n\tif (dx == 0)\n\t return;\n\tint i;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t if (ce.x == dragX)\n\t\tce.movePoint(0, dx, 0);\n\t if (ce.x2 == dragX)\n\t\tce.movePoint(1, dx, 0);\n\t}\n\tremoveZeroLengthElements();\n }\n\n boolean dragSelected(int x, int y) {\n\tboolean me = false;\n\tif (mouseElm != null && !mouseElm.isSelected())\n\t mouseElm.setSelected(me = true);\n\n\t// snap grid, unless we're only dragging text elements\n\tint i;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t if ( ce.isSelected() && !(ce instanceof GraphicElm) )\n\t\tbreak;\n\t}\n\tif (i != elmList.size()) {\n\t x = snapGrid(x);\n\t y = snapGrid(y);\n\t}\n\t\n\tint dx = x-dragX;\n\tint dy = y-dragY;\n\tif (dx == 0 && dy == 0) {\n\t // don't leave mouseElm selected if we selected it above\n\t if (me)\n\t\tmouseElm.setSelected(false);\n\t return false;\n\t}\n\tboolean allowed = true;\n\n\t// check if moves are allowed\n\tfor (i = 0; allowed && i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t if (ce.isSelected() && !ce.allowMove(dx, dy))\n\t\tallowed = false;\n\t}\n\n\tif (allowed) {\n\t for (i = 0; i != elmList.size(); i++) {\n\t\tCircuitElm ce = getElm(i);\n\t\tif (ce.isSelected())\n\t\t ce.move(dx, dy);\n\t }\n\t needAnalyze();\n\t}\n\t\n\t// don't leave mouseElm selected if we selected it above\n\tif (me)\n\t mouseElm.setSelected(false);\n\t\n\treturn allowed;\n }\n\n void dragPost(int x, int y) {\n\tif (draggingPost == -1) {\n\t draggingPost =\n\t\t(distanceSq(mouseElm.x , mouseElm.y , x, y) >\n\t\t distanceSq(mouseElm.x2, mouseElm.y2, x, y)) ? 1 : 0;\n\t}\n\tint dx = x-dragX;\n\tint dy = y-dragY;\n\tif (dx == 0 && dy == 0)\n\t return;\n\tmouseElm.movePoint(draggingPost, dx, dy);\n\tneedAnalyze();\n }\n\n void selectArea(int x, int y) {\n\tint x1 = min(x, initDragX);\n\tint x2 = max(x, initDragX);\n\tint y1 = min(y, initDragY);\n\tint y2 = max(y, initDragY);\n\tselectedArea = new Rectangle(x1, y1, x2-x1, y2-y1);\n\tint i;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t ce.selectRect(selectedArea);\n\t}\n }\n\n void setSelectedElm(CircuitElm cs) {\n\tint i;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t ce.setSelected(ce == cs);\n\t}\n\tmouseElm = cs;\n }\n \n void removeZeroLengthElements() {\n\tint i;\n\tboolean changed = false;\n\tfor (i = elmList.size()-1; i >= 0; i--) {\n\t CircuitElm ce = getElm(i);\n\t if (ce.x == ce.x2 && ce.y == ce.y2) {\n\t\telmList.removeElementAt(i);\n\t\tce.delete();\n\t\tchanged = true;\n\t }\n\t}\n\tneedAnalyze();\n }\n\n public void mouseMoved(MouseEvent e) {\n\tif ((e.getModifiers() & MouseEvent.BUTTON1_MASK) != 0)\n\t return;\n\tint x = e.getX();\n\tint y = e.getY();\n\tdragX = snapGrid(x); dragY = snapGrid(y);\n\tdraggingPost = -1;\n\tint i;\n\tCircuitElm origMouse = mouseElm;\n\tmouseElm = null;\n\tmousePost = -1;\n\tplotXElm = plotYElm = null;\n\tint bestDist = 100000;\n\tint bestArea = 100000;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t if (ce.boundingBox.contains(x, y)) {\n\t\tint j;\n\t\tint area = ce.boundingBox.width * ce.boundingBox.height;\n\t\tint jn = ce.getPostCount();\n\t\tif (jn > 2)\n\t\t jn = 2;\n\t\tfor (j = 0; j != jn; j++) {\n\t\t Point pt = ce.getPost(j);\n\t\t int dist = distanceSq(x, y, pt.x, pt.y);\n\n\t\t // if multiple elements have overlapping bounding boxes,\n\t\t // we prefer selecting elements that have posts close\n\t\t // to the mouse pointer and that have a small bounding\n\t\t // box area.\n\t\t if (dist <= bestDist && area <= bestArea) {\n\t\t\tbestDist = dist;\n\t\t\tbestArea = area;\n\t\t\tmouseElm = ce;\n\t\t }\n\t\t}\n\t\tif (ce.getPostCount() == 0)\n\t\t mouseElm = ce;\n\t }\n\t}\n\tscopeSelected = -1;\n\tif (mouseElm == null) {\n\t for (i = 0; i != scopeCount; i++) {\n\t\tScope s = scopes[i];\n\t\tif (s.rect.contains(x, y)) {\n\t\t s.select();\n\t\t scopeSelected = i;\n\t\t}\n\t }\n\t // the mouse pointer was not in any of the bounding boxes, but we\n\t // might still be close to a post\n\t for (i = 0; i != elmList.size(); i++) {\n\t\tCircuitElm ce = getElm(i);\n\t\tint j;\n\t\tint jn = ce.getPostCount();\n\t\tfor (j = 0; j != jn; j++) {\n\t\t Point pt = ce.getPost(j);\n\t\t int dist = distanceSq(x, y, pt.x, pt.y);\n\t\t if (distanceSq(pt.x, pt.y, x, y) < 26) {\n\t\t\tmouseElm = ce;\n\t\t\tmousePost = j;\n\t\t\tbreak;\n\t\t }\n\t\t}\n\t }\n\t} else {\n\t mousePost = -1;\n\t // look for post close to the mouse pointer\n\t for (i = 0; i != mouseElm.getPostCount(); i++) {\n\t\tPoint pt = mouseElm.getPost(i);\n\t\tif (distanceSq(pt.x, pt.y, x, y) < 26)\n\t\t mousePost = i;\n\t }\n\t}\n\tif (mouseElm != origMouse)\n\t cv.repaint();\n }\n\n int distanceSq(int x1, int y1, int x2, int y2) {\n\tx2 -= x1;\n\ty2 -= y1;\n\treturn x2*x2+y2*y2;\n }\n\n public void mouseClicked(MouseEvent e) {\n\tif ( e.getClickCount() == 2 && !didSwitch )\n\t doEditMenu(e);\n\tif ((e.getModifiers() & MouseEvent.BUTTON1_MASK) != 0) {\n\t if (mouseMode == MODE_SELECT || mouseMode == MODE_DRAG_SELECTED)\n\t\tclearSelection();\n\t}\n }\n public void mouseEntered(MouseEvent e) {\n }\n public void mouseExited(MouseEvent e) {\n\tscopeSelected = -1;\n\tmouseElm = plotXElm = plotYElm = null;\n\tcv.repaint();\n }\n \n public void mousePressed(MouseEvent e) {\n\tdidSwitch = false;\n\n\tSystem.out.println(e.getModifiers());\n\tint ex = e.getModifiersEx();\n\tif ((ex & (MouseEvent.META_DOWN_MASK|\n\t\t MouseEvent.SHIFT_DOWN_MASK)) == 0 && e.isPopupTrigger()) {\n\t doPopupMenu(e);\n\t return;\n\t}\n\tif ((e.getModifiers() & MouseEvent.BUTTON1_MASK) != 0) {\n\t // left mouse\n\t tempMouseMode = mouseMode;\n\t if ((ex & MouseEvent.ALT_DOWN_MASK) != 0 &&\n\t\t(ex & MouseEvent.META_DOWN_MASK) != 0)\n\t\ttempMouseMode = MODE_DRAG_COLUMN;\n\t else if ((ex & MouseEvent.ALT_DOWN_MASK) != 0 &&\n\t\t (ex & MouseEvent.SHIFT_DOWN_MASK) != 0)\n\t\ttempMouseMode = MODE_DRAG_ROW;\n\t else if ((ex & MouseEvent.SHIFT_DOWN_MASK) != 0)\n\t\ttempMouseMode = MODE_SELECT;\n\t else if ((ex & MouseEvent.ALT_DOWN_MASK) != 0)\n\t\ttempMouseMode = MODE_DRAG_ALL;\n\t else if ((ex & (MouseEvent.CTRL_DOWN_MASK|\n\t\t\t MouseEvent.META_DOWN_MASK)) != 0)\n\t\ttempMouseMode = MODE_DRAG_POST;\n\t} else if ((e.getModifiers() & MouseEvent.BUTTON3_MASK) != 0) {\n\t // right mouse\n\t if ((ex & MouseEvent.SHIFT_DOWN_MASK) != 0)\n\t\ttempMouseMode = MODE_DRAG_ROW;\n\t else if ((ex & (MouseEvent.CTRL_DOWN_MASK|\n\t\t\t MouseEvent.META_DOWN_MASK)) != 0)\n\t\ttempMouseMode = MODE_DRAG_COLUMN;\n\t else\n\t\treturn;\n\t}\n\t\n\tif (tempMouseMode != MODE_SELECT && tempMouseMode != MODE_DRAG_SELECTED)\n\t clearSelection();\n\tif (mouseMode == MODE_SELECT && doSwitch(e.getX(), e.getY()))\n\t{\n didSwitch = true;\n\t return;\n\t}\n\n\tpushUndo();\n\tinitDragX = e.getX();\n\tinitDragY = e.getY();\n\tdragging = true;\n\tif (tempMouseMode != MODE_ADD_ELM || addingClass == null)\n\t return;\n\t\n\tint x0 = snapGrid(e.getX());\n\tint y0 = snapGrid(e.getY());\n\tif (!circuitArea.contains(x0, y0))\n\t return;\n\n\tdragElm = constructElement(addingClass, x0, y0);\n }\n\n CircuitElm constructElement(Class c, int x0, int y0) {\n\t// find element class\n\tClass carr[] = new Class[2];\n\t//carr[0] = getClass();\n\tcarr[0] = carr[1] = int.class;\n\tConstructor cstr = null;\n\ttry {\n\t cstr = c.getConstructor(carr);\n\t} catch (NoSuchMethodException ee) {\n\t System.out.println(\"caught NoSuchMethodException \" + c);\n\t return null;\n\t} catch (Exception ee) {\n\t ee.printStackTrace();\n\t return null;\n\t}\n\n\t// invoke constructor with starting coordinates\n\tObject oarr[] = new Object[2];\n\toarr[0] = new Integer(x0);\n\toarr[1] = new Integer(y0);\n\ttry {\n\t return (CircuitElm) cstr.newInstance(oarr);\n\t} catch (Exception ee) { ee.printStackTrace(); }\n\treturn null;\n }\n\n // hausen: add doEditMenu\n void doEditMenu(MouseEvent e) {\n\tif( mouseElm != null )\n\t doEdit(mouseElm);\n }\n\n void doPopupMenu(MouseEvent e) {\n\tmenuElm = mouseElm;\n\tmenuScope = -1;\n\tif (scopeSelected != -1) {\n\t PopupMenu m = scopes[scopeSelected].getMenu();\n\t menuScope = scopeSelected;\n\t if (m != null)\n\t\tm.show(e.getComponent(), e.getX(), e.getY());\n\t} else if (mouseElm != null) {\n\t elmEditMenuItem .setEnabled(mouseElm.getEditInfo(0) != null);\n\t elmScopeMenuItem.setEnabled(mouseElm.canViewInScope());\n\t elmMenu.show(e.getComponent(), e.getX(), e.getY());\n\t} else {\n\t doMainMenuChecks(mainMenu);\n\t mainMenu.show(e.getComponent(), e.getX(), e.getY());\n\t}\n }\n\n void doMainMenuChecks(Menu m) {\n\tint i;\n\tif (m == optionsMenu)\n\t return;\n\tfor (i = 0; i != m.getItemCount(); i++) {\n\t MenuItem mc = m.getItem(i);\n\t if (mc instanceof Menu)\n\t\tdoMainMenuChecks((Menu) mc);\n\t if (mc instanceof CheckboxMenuItem) {\n\t\tCheckboxMenuItem cmi = (CheckboxMenuItem) mc;\n\t\tcmi.setState(\n\t\t mouseModeStr.compareTo(cmi.getActionCommand()) == 0);\n\t }\n\t}\n }\n \n public void mouseReleased(MouseEvent e) {\n\tint ex = e.getModifiersEx();\n\tif ((ex & (MouseEvent.SHIFT_DOWN_MASK|MouseEvent.CTRL_DOWN_MASK|\n\t\t MouseEvent.META_DOWN_MASK)) == 0 && e.isPopupTrigger()) {\n\t doPopupMenu(e);\n\t return;\n\t}\n\ttempMouseMode = mouseMode;\n\tselectedArea = null;\n\tdragging = false;\n\tboolean circuitChanged = false;\n\tif (heldSwitchElm != null) {\n\t heldSwitchElm.mouseUp();\n\t heldSwitchElm = null;\n\t circuitChanged = true;\n\t}\n\tif (dragElm != null) {\n\t // if the element is zero size then don't create it\n\t if (dragElm.x == dragElm.x2 && dragElm.y == dragElm.y2)\n\t\tdragElm.delete();\n\t else {\n\t\telmList.addElement(dragElm);\n\t\tcircuitChanged = true;\n\t }\n\t dragElm = null;\n\t}\n\tif (circuitChanged)\n\t needAnalyze();\n\tif (dragElm != null)\n\t dragElm.delete();\n\tdragElm = null;\n\tcv.repaint();\n }\n\n void enableItems() {\n\tif (powerCheckItem.getState()) {\n\t powerBar.enable();\n\t powerLabel.enable();\n\t} else {\n\t powerBar.disable();\n\t powerLabel.disable();\n\t}\n\tenableUndoRedo();\n }\n \n public void itemStateChanged(ItemEvent e) {\n\tcv.repaint(pause);\n\tObject mi = e.getItemSelectable();\n\tif (mi == stoppedCheck)\n\t return;\n\tif (mi == smallGridCheckItem)\n\t setGrid();\n\tif (mi == powerCheckItem) {\n\t if (powerCheckItem.getState())\n\t\tvoltsCheckItem.setState(false);\n\t else\n\t\tvoltsCheckItem.setState(true);\n\t}\n\tif (mi == voltsCheckItem && voltsCheckItem.getState())\n\t powerCheckItem.setState(false);\n\tenableItems();\n\tif (menuScope != -1) {\n\t Scope sc = scopes[menuScope];\n\t sc.handleMenu(e, mi);\n\t}\n\tif (mi instanceof CheckboxMenuItem) {\n\t MenuItem mmi = (MenuItem) mi;\n\t int prevMouseMode = mouseMode;\n\t setMouseMode(MODE_ADD_ELM);\n\t String s = mmi.getActionCommand();\n\t if (s.length() > 0)\n\t\tmouseModeStr = s;\n\t if (s.compareTo(\"DragAll\") == 0)\n\t\tsetMouseMode(MODE_DRAG_ALL);\n\t else if (s.compareTo(\"DragRow\") == 0)\n\t\tsetMouseMode(MODE_DRAG_ROW);\n\t else if (s.compareTo(\"DragColumn\") == 0)\n\t\tsetMouseMode(MODE_DRAG_COLUMN);\n\t else if (s.compareTo(\"DragSelected\") == 0)\n\t\tsetMouseMode(MODE_DRAG_SELECTED);\n\t else if (s.compareTo(\"DragPost\") == 0)\n\t\tsetMouseMode(MODE_DRAG_POST);\n\t else if (s.compareTo(\"Select\") == 0)\n\t\tsetMouseMode(MODE_SELECT);\n\t else if (s.length() > 0) {\n\t\ttry {\n\t\t addingClass = Class.forName(s);\n\t\t} catch (Exception ee) {\n\t\t ee.printStackTrace();\n\t\t}\n\t }\n\t else\n\t \tsetMouseMode(prevMouseMode);\n\t tempMouseMode = mouseMode;\n\t}\n }\n\n void setGrid() {\n\tgridSize = (smallGridCheckItem.getState()) ? 8 : 16;\n\tgridMask = ~(gridSize-1);\n\tgridRound = gridSize/2-1;\n }\n\n void pushUndo() {\n\tredoStack.removeAllElements();\n\tString s = dumpCircuit();\n\tif (undoStack.size() > 0 &&\n\t\ts.compareTo(undoStack.lastElement()) == 0)\n\t return;\n\tundoStack.add(s);\n\tenableUndoRedo();\n }\n\n void doUndo() {\n\tif (undoStack.size() == 0)\n\t return;\n\tredoStack.add(dumpCircuit());\n\tString s = undoStack.remove(undoStack.size()-1);\n\treadSetup(s);\n\tenableUndoRedo();\n }\n\n void doRedo() {\n\tif (redoStack.size() == 0)\n\t return;\n\tundoStack.add(dumpCircuit());\n\tString s = redoStack.remove(redoStack.size()-1);\n\treadSetup(s);\n\tenableUndoRedo();\n }\n\n void enableUndoRedo() {\n\tredoItem.setEnabled(redoStack.size() > 0);\n\tundoItem.setEnabled(undoStack.size() > 0);\n }\n\n void setMouseMode(int mode)\n {\n\tmouseMode = mode;\n\tif ( mode == MODE_ADD_ELM )\n\t cv.setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR));\n\telse\n\t cv.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));\n }\n\n void setMenuSelection() {\n\tif (menuElm != null) {\n\t if (menuElm.selected)\n\t\treturn;\n\t clearSelection();\n\t menuElm.setSelected(true);\n\t}\n }\n \n void doCut() {\n\tint i;\n\tpushUndo();\n\tsetMenuSelection();\n\tclipboard = \"\";\n\tfor (i = elmList.size()-1; i >= 0; i--) {\n\t CircuitElm ce = getElm(i);\n\t if (ce.isSelected()) {\n\t\tclipboard += ce.dump() + \"\\n\";\n\t\tce.delete();\n\t\telmList.removeElementAt(i);\n\t }\n\t}\n\tenablePaste();\n\tneedAnalyze();\n }\n\n void doDelete() {\n\tint i;\n\tpushUndo();\n\tsetMenuSelection();\n\tboolean hasDeleted = false;\n\n\tfor (i = elmList.size()-1; i >= 0; i--) {\n\t CircuitElm ce = getElm(i);\n\t if (ce.isSelected()) {\n\t\tce.delete();\n\t\telmList.removeElementAt(i);\n\t\thasDeleted = true;\n\t }\n\t}\n\n\tif ( !hasDeleted )\n\t{\n\t for (i = elmList.size()-1; i >= 0; i--) {\n\t\tCircuitElm ce = getElm(i);\n\t\tif (ce == mouseElm) {\n\t\t ce.delete();\n\t\t elmList.removeElementAt(i);\n\t\t hasDeleted = true;\n\t\t mouseElm = null;\n\t\t break;\n\t\t}\n\t }\n\t}\n\n\tif ( hasDeleted )\n\t needAnalyze();\n }\n\n void doCopy() {\n\tint i;\n\tclipboard = \"\";\n\tsetMenuSelection();\n\tfor (i = elmList.size()-1; i >= 0; i--) {\n\t CircuitElm ce = getElm(i);\n\t if (ce.isSelected())\n\t\tclipboard += ce.dump() + \"\\n\";\n\t}\n\tenablePaste();\n }\n\n void enablePaste() {\n\tpasteItem.setEnabled(clipboard.length() > 0);\n }\n \n void doPaste() {\n\tpushUndo();\n\tclearSelection();\n\tint i;\n\tRectangle oldbb = null;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t Rectangle bb = ce.getBoundingBox();\n\t if (oldbb != null)\n\t\toldbb = oldbb.union(bb);\n\t else\n\t\toldbb = bb;\n\t}\n\tint oldsz = elmList.size();\n\treadSetup(clipboard, true);\n\t\n\t// select new items\n\tRectangle newbb = null;\n\tfor (i = oldsz; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t ce.setSelected(true);\n\t Rectangle bb = ce.getBoundingBox();\n\t if (newbb != null)\n\t\tnewbb = newbb.union(bb);\n\t else\n\t\tnewbb = bb;\n\t}\n\tif (oldbb != null && newbb != null && oldbb.intersects(newbb)) {\n\t // find a place for new items\n\t int dx = 0, dy = 0;\n\t int spacew = circuitArea.width - oldbb.width - newbb.width;\n\t int spaceh = circuitArea.height - oldbb.height - newbb.height;\n\t if (spacew > spaceh)\n\t\tdx = snapGrid(oldbb.x + oldbb.width - newbb.x + gridSize);\n\t else\n\t\tdy = snapGrid(oldbb.y + oldbb.height - newbb.y + gridSize);\n\t for (i = oldsz; i != elmList.size(); i++) {\n\t\tCircuitElm ce = getElm(i);\n\t\tce.move(dx, dy);\n\t }\n\t // center circuit\n\t handleResize();\n\t}\n\tneedAnalyze();\n }\n\n void clearSelection() {\n\tint i;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t ce.setSelected(false);\n\t}\n }\n \n void doSelectAll() {\n\tint i;\n\tfor (i = 0; i != elmList.size(); i++) {\n\t CircuitElm ce = getElm(i);\n\t ce.setSelected(true);\n\t}\n }\n\n public void keyPressed(KeyEvent e) {}\n public void keyReleased(KeyEvent e) {}\n \n public void keyTyped(KeyEvent e) {\n\tif (e.getKeyChar() == 127)\n\t{\n\t doDelete();\n\t return;\n\t}\n\tif (e.getKeyChar() > ' ' && e.getKeyChar() < 127) {\n\t Class c = shortcuts[e.getKeyChar()];\n\t if (c == null)\n\t\treturn;\n\t CircuitElm elm = null;\n\t elm = constructElement(c, 0, 0);\n\t if (elm == null)\n\t\treturn;\n\t setMouseMode(MODE_ADD_ELM);\n\t mouseModeStr = c.getName();\n\t addingClass = c;\n\t}\n\tif (e.getKeyChar() == ' ' || e.getKeyChar() == KeyEvent.VK_ESCAPE) {\n\t setMouseMode(MODE_SELECT);\n\t mouseModeStr = \"Select\";\n\t}\n\ttempMouseMode = mouseMode;\n }\n\n // factors a matrix into upper and lower triangular matrices by\n // gaussian elimination. On entry, a[0..n-1][0..n-1] is the\n // matrix to be factored. ipvt[] returns an integer vector of pivot\n // indices, used in the lu_solve() routine.\n boolean lu_factor(double a[][], int n, int ipvt[]) {\n\tdouble scaleFactors[];\n\tint i,j,k;\n\n\tscaleFactors = new double[n];\n\t\n // divide each row by its largest element, keeping track of the\n\t// scaling factors\n\tfor (i = 0; i != n; i++) { \n\t double largest = 0;\n\t for (j = 0; j != n; j++) {\n\t\tdouble x = Math.abs(a[i][j]);\n\t\tif (x > largest)\n\t\t largest = x;\n\t }\n\t // if all zeros, it's a singular matrix\n\t if (largest == 0)\n\t\treturn false;\n\t scaleFactors[i] = 1.0/largest;\n\t}\n\t\n // use Crout's method; loop through the columns\n\tfor (j = 0; j != n; j++) {\n\t \n\t // calculate upper triangular elements for this column\n\t for (i = 0; i != j; i++) {\n\t\tdouble q = a[i][j];\n\t\tfor (k = 0; k != i; k++)\n\t\t q -= a[i][k]*a[k][j];\n\t\ta[i][j] = q;\n\t }\n\n\t // calculate lower triangular elements for this column\n\t double largest = 0;\n\t int largestRow = -1;\n\t for (i = j; i != n; i++) {\n\t\tdouble q = a[i][j];\n\t\tfor (k = 0; k != j; k++)\n\t\t q -= a[i][k]*a[k][j];\n\t\ta[i][j] = q;\n\t\tdouble x = Math.abs(q);\n\t\tif (x >= largest) {\n\t\t largest = x;\n\t\t largestRow = i;\n\t\t}\n\t }\n\t \n\t // pivoting\n\t if (j != largestRow) {\n\t\tdouble x;\n\t\tfor (k = 0; k != n; k++) {\n\t\t x = a[largestRow][k];\n\t\t a[largestRow][k] = a[j][k];\n\t\t a[j][k] = x;\n\t\t}\n\t\tscaleFactors[largestRow] = scaleFactors[j];\n\t }\n\n\t // keep track of row interchanges\n\t ipvt[j] = largestRow;\n\n\t // avoid zeros\n\t if (a[j][j] == 0.0) {\n\t\tSystem.out.println(\"avoided zero\");\n\t\ta[j][j]=1e-18;\n\t }\n\n\t if (j != n-1) {\n\t\tdouble mult = 1.0/a[j][j];\n\t\tfor (i = j+1; i != n; i++)\n\t\t a[i][j] *= mult;\n\t }\n\t}\n\treturn true;\n }\n\n // Solves the set of n linear equations using a LU factorization\n // previously performed by lu_factor. On input, b[0..n-1] is the right\n // hand side of the equations, and on output, contains the solution.\n void lu_solve(double a[][], int n, int ipvt[], double b[]) {\n\tint i;\n\n\t// find first nonzero b element\n\tfor (i = 0; i != n; i++) {\n\t int row = ipvt[i];\n\n\t double swap = b[row];\n\t b[row] = b[i];\n\t b[i] = swap;\n\t if (swap != 0)\n\t\tbreak;\n\t}\n\t\n\tint bi = i++;\n\tfor (; i < n; i++) {\n\t int row = ipvt[i];\n\t int j;\n\t double tot = b[row];\n\t \n\t b[row] = b[i];\n\t // forward substitution using the lower triangular matrix\n\t for (j = bi; j < i; j++)\n\t\ttot -= a[i][j]*b[j];\n\t b[i] = tot;\n\t}\n\tfor (i = n-1; i >= 0; i--) {\n\t double tot = b[i];\n\t \n\t // back-substitution using the upper triangular matrix\n\t int j;\n\t for (j = i+1; j != n; j++)\n\t\ttot -= a[i][j]*b[j];\n\t b[i] = tot/a[i][i];\n\t}\n }\n\n}\n" }, { "path": "src/Circuit.java", "content": "// Circuit.java (c) 2005,2008 by Paul Falstad, www.falstad.com\n\nimport java.io.InputStream;\nimport java.awt.*;\nimport java.awt.image.*;\nimport java.applet.Applet;\nimport java.util.Vector;\nimport java.io.File;\nimport java.util.Random;\nimport java.util.Arrays;\nimport java.lang.Math;\nimport java.net.URL;\nimport java.awt.event.*;\nimport java.io.FilterInputStream;\nimport java.io.ByteArrayOutputStream;\nimport java.util.StringTokenizer;\nimport java.text.DecimalFormat;\nimport java.text.NumberFormat;\nimport java.lang.reflect.Constructor;\nimport java.lang.reflect.Method;\n\npublic class Circuit extends Applet implements ComponentListener {\n static CirSim ogf;\n boolean finished = false;\n\n void destroyFrame() {\n\tif (ogf != null)\n\t ogf.dispose();\n\togf = null;\n\trepaint();\n\tfinished = true;\n }\n boolean started = false;\n public void init() {\n\taddComponentListener(this);\n }\n\n public static void main(String args[]) {\n\togf = new CirSim(null);\n\togf.init();\n }\n \n public void showFrame() {\n\tif ( finished )\n\t{\n\t repaint();\n\t return;\n\t}\n\tif (ogf == null) {\n\t started = true;\n\t ogf = new CirSim(this);\n\t ogf.init();\n\t}\n\togf.setVisible(true);\n\trepaint();\n }\n\n public void hideFrame() {\n\tif ( finished )\n\t return;\n\togf.setVisible(false);\n\trepaint();\n }\n\n public void toggleSwitch(int x) { ogf.toggleSwitch(x); }\n \n public void paint(Graphics g) {\n\tString s = \"Applet is open in a separate window.\";\n\tif ( ogf != null && !ogf.isVisible() )\n\t s = \"Applet window is hidden.\";\n\tif (!started)\n\t s = \"Applet is starting.\";\n\telse if (ogf == null || finished)\n\t s = \"Applet is finished.\";\n\telse if (ogf != null && ogf.useFrame)\n\t ogf.triggerShow();\n\tg.drawString(s, 10, 30);\n }\n \n public void componentHidden(ComponentEvent e){}\n public void componentMoved(ComponentEvent e){}\n public void componentShown(ComponentEvent e) { showFrame(); }\n public void componentResized(ComponentEvent e) {\n\tif (ogf != null)\n\t ogf.componentResized(e);\n }\n \n public void destroy() {\n\tif (ogf != null)\n\t ogf.dispose();\n\togf = null;\n\trepaint();\n }\n};\n\n" }, { "path": "src/CircuitCanvas.java", "content": "import java.awt.*;\n\nclass CircuitCanvas extends Canvas {\n CirSim pg;\n CircuitCanvas(CirSim p) {\n\tpg = p;\n }\n public Dimension getPreferredSize() {\n\treturn new Dimension(300,400);\n }\n public void update(Graphics g) {\n\tpg.updateCircuit(g);\n }\n public void paint(Graphics g) {\n\tpg.updateCircuit(g);\n }\n};\n" }, { "path": "src/CircuitElm.java", "content": "import java.awt.*;\nimport java.text.DecimalFormat;\nimport java.text.NumberFormat;\n\npublic abstract class CircuitElm implements Editable {\n static double voltageRange = 5;\n static int colorScaleCount = 32;\n static Color colorScale[];\n static double currentMult, powerMult;\n static Point ps1, ps2;\n static CirSim sim;\n static Color whiteColor, selectColor, lightGrayColor;\n static Font unitsFont;\n\n public static NumberFormat showFormat, shortFormat, noCommaFormat;\n static final double pi = 3.14159265358979323846;\n\n int x, y, x2, y2, flags, nodes[], voltSource;\n int dx, dy, dsign;\n double dn, dpx1, dpy1;\n Point point1, point2, lead1, lead2;\n double volts[];\n double current, curcount;\n Rectangle boundingBox;\n boolean noDiagonal;\n public boolean selected;\n int getDumpType() { return 0; }\n Class getDumpClass() { return getClass(); }\n int getDefaultFlags() { return 0; }\n\n static void initClass(CirSim s) {\n\tunitsFont = new Font(\"SansSerif\", 0, 10);\n\tsim = s;\n\t\n\tcolorScale = new Color[colorScaleCount];\n\tint i;\n\tfor (i = 0; i != colorScaleCount; i++) {\n\t double v = i*2./colorScaleCount - 1;\n\t if (v < 0) {\n\t\tint n1 = (int) (128*-v)+127;\n\t\tint n2 = (int) (127*(1+v));\n\t\tcolorScale[i] = new Color(n1, n2, n2);\n\t } else {\n\t\tint n1 = (int) (128*v)+127;\n\t\tint n2 = (int) (127*(1-v));\n\t\tcolorScale[i] = new Color(n2, n1, n2);\n\t }\n\t}\n\t\n\tps1 = new Point();\n\tps2 = new Point();\n\n\tshowFormat = DecimalFormat.getInstance();\n\tshowFormat.setMaximumFractionDigits(2);\n\tshortFormat = DecimalFormat.getInstance();\n\tshortFormat.setMaximumFractionDigits(1);\n\tnoCommaFormat = DecimalFormat.getInstance();\n\tnoCommaFormat.setMaximumFractionDigits(10);\n\tnoCommaFormat.setGroupingUsed(false);\n }\n \n CircuitElm(int xx, int yy) {\n\tx = x2 = xx;\n\ty = y2 = yy;\n\tflags = getDefaultFlags();\n\tallocNodes();\n\tinitBoundingBox();\n }\n CircuitElm(int xa, int ya, int xb, int yb, int f) {\n\tx = xa; y = ya; x2 = xb; y2 = yb; flags = f;\n\tallocNodes();\n\tinitBoundingBox();\n }\n \n void initBoundingBox() {\n\tboundingBox = new Rectangle();\n\tboundingBox.setBounds(min(x, x2), min(y, y2),\n\t\t\t abs(x2-x)+1, abs(y2-y)+1);\n }\n \n void allocNodes() {\n\tnodes = new int[getPostCount()+getInternalNodeCount()];\n\tvolts = new double[getPostCount()+getInternalNodeCount()];\n }\n String dump() {\n\tint t = getDumpType();\n\treturn (t < 127 ? ((char)t)+\" \" : t+\" \") + x + \" \" + y + \" \" +\n\t x2 + \" \" + y2 + \" \" + flags;\n }\n void reset() {\n\tint i;\n\tfor (i = 0; i != getPostCount()+getInternalNodeCount(); i++)\n\t volts[i] = 0;\n\tcurcount = 0;\n }\n void draw(Graphics g) {}\n void setCurrent(int x, double c) { current = c; }\n double getCurrent() { return current; }\n void doStep() {}\n void delete() {}\n void startIteration() {}\n double getPostVoltage(int x) { return volts[x]; }\n void setNodeVoltage(int n, double c) {\n\tvolts[n] = c;\n\tcalculateCurrent();\n }\n void calculateCurrent() {}\n void setPoints() {\n\tdx = x2-x; dy = y2-y;\n\tdn = Math.sqrt(dx*dx+dy*dy);\n\tdpx1 = dy/dn;\n\tdpy1 = -dx/dn;\n\tdsign = (dy == 0) ? sign(dx) : sign(dy);\n\tpoint1 = new Point(x , y );\n\tpoint2 = new Point(x2, y2);\n }\n void calcLeads(int len) {\n\tif (dn < len || len == 0) {\n\t lead1 = point1;\n\t lead2 = point2;\n\t return;\n\t}\n\tlead1 = interpPoint(point1, point2, (dn-len)/(2*dn));\n\tlead2 = interpPoint(point1, point2, (dn+len)/(2*dn));\n }\n Point interpPoint(Point a, Point b, double f) {\n\tPoint p = new Point();\n\tinterpPoint(a, b, p, f);\n\treturn p;\n }\n void interpPoint(Point a, Point b, Point c, double f) {\n\tint xpd = b.x-a.x;\n\tint ypd = b.y-a.y;\n\t/*double q = (a.x*(1-f)+b.x*f+.48);\n\t System.out.println(q + \" \" + (int) q);*/\n\tc.x = (int) Math.floor(a.x*(1-f)+b.x*f+.48);\n\tc.y = (int) Math.floor(a.y*(1-f)+b.y*f+.48);\n }\n void interpPoint(Point a, Point b, Point c, double f, double g) {\n\tint xpd = b.x-a.x;\n\tint ypd = b.y-a.y;\n\tint gx = b.y-a.y;\n\tint gy = a.x-b.x;\n\tg /= Math.sqrt(gx*gx+gy*gy);\n\tc.x = (int) Math.floor(a.x*(1-f)+b.x*f+g*gx+.48);\n\tc.y = (int) Math.floor(a.y*(1-f)+b.y*f+g*gy+.48);\n }\n Point interpPoint(Point a, Point b, double f, double g) {\n\tPoint p = new Point();\n\tinterpPoint(a, b, p, f, g);\n\treturn p;\n }\n void interpPoint2(Point a, Point b, Point c, Point d, double f, double g) {\n\tint xpd = b.x-a.x;\n\tint ypd = b.y-a.y;\n\tint gx = b.y-a.y;\n\tint gy = a.x-b.x;\n\tg /= Math.sqrt(gx*gx+gy*gy);\n\tc.x = (int) Math.floor(a.x*(1-f)+b.x*f+g*gx+.48);\n\tc.y = (int) Math.floor(a.y*(1-f)+b.y*f+g*gy+.48);\n\td.x = (int) Math.floor(a.x*(1-f)+b.x*f-g*gx+.48);\n\td.y = (int) Math.floor(a.y*(1-f)+b.y*f-g*gy+.48);\n }\n void draw2Leads(Graphics g) {\n\t// draw first lead\n\tsetVoltageColor(g, volts[0]);\n\tdrawThickLine(g, point1, lead1);\n\n\t// draw second lead\n\tsetVoltageColor(g, volts[1]);\n\tdrawThickLine(g, lead2, point2);\n }\n Point [] newPointArray(int n) {\n\tPoint a[] = new Point[n];\n\twhile (n > 0)\n\t a[--n] = new Point();\n\treturn a;\n }\n\t\n void drawDots(Graphics g, Point pa, Point pb, double pos) {\n\tif (sim.stoppedCheck.getState() || pos == 0 || !sim.dotsCheckItem.getState())\n\t return;\n\tint dx = pb.x-pa.x;\n\tint dy = pb.y-pa.y;\n\tdouble dn = Math.sqrt(dx*dx+dy*dy);\n\tg.setColor(Color.yellow);\n\tint ds = 16;\n\tpos %= ds;\n\tif (pos < 0)\n\t pos += ds;\n\tdouble di = 0;\n\tfor (di = pos; di < dn; di += ds) {\n\t int x0 = (int) (pa.x+di*dx/dn);\n\t int y0 = (int) (pa.y+di*dy/dn);\n\t g.fillRect(x0-1, y0-1, 4, 4);\n\t}\n }\n\n Polygon calcArrow(Point a, Point b, double al, double aw) {\n\tPolygon poly = new Polygon();\n\tPoint p1 = new Point();\n\tPoint p2 = new Point();\n\tint adx = b.x-a.x;\n\tint ady = b.y-a.y;\n\tdouble l = Math.sqrt(adx*adx+ady*ady);\n\tpoly.addPoint(b.x, b.y);\n\tinterpPoint2(a, b, p1, p2, 1-al/l, aw);\n\tpoly.addPoint(p1.x, p1.y);\n\tpoly.addPoint(p2.x, p2.y);\n\treturn poly;\n }\n\n Polygon calcArrowReverse(Point a, Point b, double al, double aw) {\n \tPolygon poly = new Polygon();\n\tPoint p1 = new Point();\n\tPoint p2 = new Point();\n\tdouble adx = b.x-a.x;\n\tdouble ady = b.y-a.y;\n\tdouble l = Math.sqrt(adx*adx+ady*ady);\n\tif (l > 0)\n\t{\n\t adx /= l;\n\t ady /= l;\n\t double bdx = -ady; // orthogonal unit vector\n\t double bdy = adx; //\n\t poly.addPoint((int)Math.round(b.x+1 - adx*al),\n\t (int)Math.round(b.y+1 - ady*al));\n\t poly.addPoint((int)Math.round(b.x+1 - bdx*al),\n\t (int)Math.round(b.y+1 - bdy*aw));\n\t poly.addPoint((int)Math.round(b.x+1 + bdx*al),\n\t (int)Math.round(b.y+1 + bdy*aw));\n\t}\n\treturn poly;\n }\n\n Polygon createPolygon(Point a, Point b, Point c) {\n\tPolygon p = new Polygon();\n\tp.addPoint(a.x, a.y);\n\tp.addPoint(b.x, b.y);\n\tp.addPoint(c.x, c.y);\n\treturn p;\n }\n Polygon createPolygon(Point a, Point b, Point c, Point d) {\n\tPolygon p = new Polygon();\n\tp.addPoint(a.x, a.y);\n\tp.addPoint(b.x, b.y);\n\tp.addPoint(c.x, c.y);\n\tp.addPoint(d.x, d.y);\n\treturn p;\n }\n Polygon createPolygon(Point a[]) {\n\tPolygon p = new Polygon();\n\tint i;\n\tfor (i = 0; i != a.length; i++)\n\t p.addPoint(a[i].x, a[i].y);\n\treturn p;\n }\n void drag(int xx, int yy) {\n\txx = sim.snapGrid(xx);\n\tyy = sim.snapGrid(yy);\n\tif (noDiagonal) {\n\t if (Math.abs(x-xx) < Math.abs(y-yy)) {\n\t\txx = x;\n\t } else {\n\t\tyy = y;\n\t }\n\t}\n\tx2 = xx; y2 = yy;\n\tsetPoints();\n }\n void move(int dx, int dy) {\n\tx += dx; y += dy; x2 += dx; y2 += dy;\n\tboundingBox.move(dx, dy);\n\tsetPoints();\n }\n\n // determine if moving this element by (dx,dy) will put it on top of another element\n boolean allowMove(int dx, int dy) {\n\tint nx = x+dx;\n\tint ny = y+dy;\n\tint nx2 = x2+dx;\n\tint ny2 = y2+dy;\n\tint i;\n\tfor (i = 0; i != sim.elmList.size(); i++) {\n\t CircuitElm ce = sim.getElm(i);\n\t if (ce.x == nx && ce.y == ny && ce.x2 == nx2 && ce.y2 == ny2)\n\t\treturn false;\n\t if (ce.x == nx2 && ce.y == ny2 && ce.x2 == nx && ce.y2 == ny)\n\t\treturn false;\n\t}\n\treturn true;\n }\n \n void movePoint(int n, int dx, int dy) {\n\tif (n == 0) {\n\t x += dx; y += dy;\n\t} else {\n\t x2 += dx; y2 += dy;\n\t}\n\tsetPoints();\n }\n void drawPosts(Graphics g) {\n\tint i;\n\tfor (i = 0; i != getPostCount(); i++) {\n\t Point p = getPost(i);\n\t drawPost(g, p.x, p.y, nodes[i]);\n\t}\n }\n void stamp() {}\n int getVoltageSourceCount() { return 0; }\n int getInternalNodeCount() { return 0; }\n void setNode(int p, int n) { nodes[p] = n; }\n void setVoltageSource(int n, int v) { voltSource = v; }\n int getVoltageSource() { return voltSource; }\n double getVoltageDiff() {\n\treturn volts[0] - volts[1];\n }\n boolean nonLinear() { return false; }\n int getPostCount() { return 2; }\n int getNode(int n) { return nodes[n]; }\n Point getPost(int n) {\n\treturn (n == 0) ? point1 : (n == 1) ? point2 : null;\n }\n void drawPost(Graphics g, int x0, int y0, int n) {\n\tif (sim.dragElm == null && !needsHighlight() &&\n\t sim.getCircuitNode(n).links.size() == 2)\n\t return;\n\tif (sim.mouseMode == CirSim.MODE_DRAG_ROW ||\n\t sim.mouseMode == CirSim.MODE_DRAG_COLUMN)\n\t return;\n\tdrawPost(g, x0, y0);\n }\n void drawPost(Graphics g, int x0, int y0) {\n\tg.setColor(whiteColor);\n\tg.fillOval(x0-3, y0-3, 7, 7);\n }\n void setBbox(int x1, int y1, int x2, int y2) {\n\tif (x1 > x2) { int q = x1; x1 = x2; x2 = q; }\n\tif (y1 > y2) { int q = y1; y1 = y2; y2 = q; }\n\tboundingBox.setBounds(x1, y1, x2-x1+1, y2-y1+1);\n }\n void setBbox(Point p1, Point p2, double w) {\n\tsetBbox(p1.x, p1.y, p2.x, p2.y);\n\tint gx = p2.y-p1.y;\n\tint gy = p1.x-p2.x;\n\tint dpx = (int) (dpx1*w);\n\tint dpy = (int) (dpy1*w);\n\tadjustBbox(p1.x+dpx, p1.y+dpy, p1.x-dpx, p1.y-dpy);\n }\n void adjustBbox(int x1, int y1, int x2, int y2) {\n\tif (x1 > x2) { int q = x1; x1 = x2; x2 = q; }\n\tif (y1 > y2) { int q = y1; y1 = y2; y2 = q; }\n\tx1 = min(boundingBox.x, x1);\n\ty1 = min(boundingBox.y, y1);\n\tx2 = max(boundingBox.x+boundingBox.width-1, x2);\n\ty2 = max(boundingBox.y+boundingBox.height-1, y2);\n\tboundingBox.setBounds(x1, y1, x2-x1, y2-y1);\n }\n void adjustBbox(Point p1, Point p2) {\n\tadjustBbox(p1.x, p1.y, p2.x, p2.y);\n }\n boolean isCenteredText() { return false; }\n\t\n void drawCenteredText(Graphics g, String s, int x, int y, boolean cx) {\n\tFontMetrics fm = g.getFontMetrics();\n\tint w = fm.stringWidth(s);\n\tif (cx)\n\t x -= w/2;\n\tg.drawString(s, x, y+fm.getAscent()/2);\n\tadjustBbox(x, y-fm.getAscent()/2,\n\t\t x+w, y+fm.getAscent()/2+fm.getDescent());\n }\n \n void drawValues(Graphics g, String s, double hs) {\n\tif (s == null)\n\t return;\n\tg.setFont(unitsFont);\n\tFontMetrics fm = g.getFontMetrics();\n\tint w = fm.stringWidth(s);\n\tg.setColor(whiteColor);\n\tint ya = fm.getAscent()/2;\n\tint xc, yc;\n\tif (this instanceof RailElm || this instanceof SweepElm) {\n\t xc = x2;\n\t yc = y2;\n\t} else {\n\t xc = (x2+x)/2;\n\t yc = (y2+y)/2;\n\t}\n\tint dpx = (int) (dpx1*hs);\n\tint dpy = (int) (dpy1*hs);\n\tif (dpx == 0) {\n\t g.drawString(s, xc-w/2, yc-abs(dpy)-2);\n\t} else {\n\t int xx = xc+abs(dpx)+2;\n\t if (this instanceof VoltageElm || (x < x2 && y > y2))\n\t\txx = xc-(w+abs(dpx)+2);\n\t g.drawString(s, xx, yc+dpy+ya);\n\t}\n }\n void drawCoil(Graphics g, int hs, Point p1, Point p2,\n\t\t double v1, double v2) {\n\tdouble len = distance(p1, p2);\n\tint segments = 30; // 10*(int) (len/10);\n\tint i;\n\tdouble segf = 1./segments;\n\t \n\tps1.setLocation(p1);\n\tfor (i = 0; i != segments; i++) {\n\t double cx = (((i+1)*6.*segf) % 2)-1;\n\t double hsx = Math.sqrt(1-cx*cx);\n\t if (hsx < 0)\n\t\thsx = -hsx;\n\t interpPoint(p1, p2, ps2, i*segf, hsx*hs);\n\t double v = v1+(v2-v1)*i/segments;\n\t setVoltageColor(g, v);\n\t drawThickLine(g, ps1, ps2);\n\t ps1.setLocation(ps2);\n\t}\n }\n static void drawThickLine(Graphics g, int x, int y, int x2, int y2) {\n\tg.drawLine(x, y, x2, y2);\n\tg.drawLine(x+1, y, x2+1, y2);\n\tg.drawLine(x, y+1, x2, y2+1);\n\tg.drawLine(x+1, y+1, x2+1, y2+1);\n }\n\n static void drawThickLine(Graphics g, Point pa, Point pb) {\n\tg.drawLine(pa.x, pa.y, pb.x, pb.y);\n\tg.drawLine(pa.x+1, pa.y, pb.x+1, pb.y);\n\tg.drawLine(pa.x, pa.y+1, pb.x, pb.y+1);\n\tg.drawLine(pa.x+1, pa.y+1, pb.x+1, pb.y+1);\n }\n\n static void drawThickPolygon(Graphics g, int xs[], int ys[], int c) {\n\tint i;\n\tfor (i = 0; i != c-1; i++)\n\t drawThickLine(g, xs[i], ys[i], xs[i+1], ys[i+1]);\n\tdrawThickLine(g, xs[i], ys[i], xs[0], ys[0]);\n }\n \n static void drawThickPolygon(Graphics g, Polygon p) {\n\tdrawThickPolygon(g, p.xpoints, p.ypoints, p.npoints);\n }\n \n static void drawThickCircle(Graphics g, int cx, int cy, int ri) {\n\tint a;\n\tdouble m = pi/180;\n\tdouble r = ri*.98;\n\tfor (a = 0; a != 360; a += 20) {\n\t double ax = Math.cos(a*m)*r + cx;\n\t double ay = Math.sin(a*m)*r + cy;\n\t double bx = Math.cos((a+20)*m)*r + cx;\n\t double by = Math.sin((a+20)*m)*r + cy;\n\t drawThickLine(g, (int) ax, (int) ay, (int) bx, (int) by);\n\t}\n }\n \n static String getVoltageDText(double v) {\n\treturn getUnitText(Math.abs(v), \"V\");\n }\n static String getVoltageText(double v) {\n\treturn getUnitText(v, \"V\");\n }\n static String getUnitText(double v, String u) {\n\tdouble va = Math.abs(v);\n\tif (va < 1e-14)\n\t return \"0 \" + u;\n\tif (va < 1e-9)\n\t return showFormat.format(v*1e12) + \" p\" + u;\n\tif (va < 1e-6)\n\t return showFormat.format(v*1e9) + \" n\" + u;\n\tif (va < 1e-3)\n\t return showFormat.format(v*1e6) + \" \" + CirSim.muString + u;\n\tif (va < 1)\n\t return showFormat.format(v*1e3) + \" m\" + u;\n\tif (va < 1e3)\n\t return showFormat.format(v) + \" \" + u;\n\tif (va < 1e6)\n\t return showFormat.format(v*1e-3) + \" k\" + u;\n\tif (va < 1e9)\n\t return showFormat.format(v*1e-6) + \" M\" + u;\n\treturn showFormat.format(v*1e-9) + \" G\" + u;\n }\n static String getShortUnitText(double v, String u) {\n\tdouble va = Math.abs(v);\n\tif (va < 1e-13)\n\t return null;\n\tif (va < 1e-9)\n\t return shortFormat.format(v*1e12) + \"p\" + u;\n\tif (va < 1e-6)\n\t return shortFormat.format(v*1e9) + \"n\" + u;\n\tif (va < 1e-3)\n\t return shortFormat.format(v*1e6) + CirSim.muString + u;\n\tif (va < 1)\n\t return shortFormat.format(v*1e3) + \"m\" + u;\n\tif (va < 1e3)\n\t return shortFormat.format(v) + u;\n\tif (va < 1e6)\n\t return shortFormat.format(v*1e-3) + \"k\" + u;\n\tif (va < 1e9)\n\t return shortFormat.format(v*1e-6) + \"M\" + u;\n\treturn shortFormat.format(v*1e-9) + \"G\" + u;\n }\n static String getCurrentText(double i) {\n\treturn getUnitText(i, \"A\");\n }\n static String getCurrentDText(double i) {\n\treturn getUnitText(Math.abs(i), \"A\");\n }\n\n void updateDotCount() {\n\tcurcount = updateDotCount(current, curcount);\n }\n double updateDotCount(double cur, double cc) {\n\tif (sim.stoppedCheck.getState())\n\t return cc;\n\tdouble cadd = cur*currentMult;\n\t/*if (cur != 0 && cadd <= .05 && cadd >= -.05)\n\t cadd = (cadd < 0) ? -.05 : .05;*/\n\tcadd %= 8;\n\t/*if (cadd > 8)\n\t cadd = 8;\n\t if (cadd < -8)\n\t cadd = -8;*/\n\treturn cc + cadd;\n }\n void doDots(Graphics g) {\n\tupdateDotCount();\n\tif (sim.dragElm != this)\n\t drawDots(g, point1, point2, curcount);\n }\n void doAdjust() {}\n void setupAdjust() {}\n void getInfo(String arr[]) {\n }\n int getBasicInfo(String arr[]) {\n\tarr[1] = \"I = \" + getCurrentDText(getCurrent());\n\tarr[2] = \"Vd = \" + getVoltageDText(getVoltageDiff());\n\treturn 3;\n }\n void setVoltageColor(Graphics g, double volts) {\n\tif (needsHighlight()) {\n\t g.setColor(selectColor);\n\t return;\n\t}\n\tif (!sim.voltsCheckItem.getState()) {\n\t if (!sim.powerCheckItem.getState()) // && !conductanceCheckItem.getState())\n\t\tg.setColor(whiteColor);\n\t return;\n\t}\n\tint c = (int) ((volts+voltageRange)*(colorScaleCount-1)/\n\t\t (voltageRange*2));\n\tif (c < 0)\n\t c = 0;\n\tif (c >= colorScaleCount)\n\t c = colorScaleCount-1;\n\tg.setColor(colorScale[c]);\n }\n void setPowerColor(Graphics g, boolean yellow) {\n\t/*if (conductanceCheckItem.getState()) {\n\t setConductanceColor(g, current/getVoltageDiff());\n\t return;\n\t }*/\n\tif (!sim.powerCheckItem.getState())\n\t return;\n\tsetPowerColor(g, getPower());\n }\n void setPowerColor(Graphics g, double w0) {\n\tw0 *= powerMult;\n\t//System.out.println(w);\n\tdouble w = (w0 < 0) ? -w0 : w0;\n\tif (w > 1)\n\t w = 1;\n\tint rg = 128+(int) (w*127);\n\tint b = (int) (128*(1-w));\n\t/*if (yellow)\n\t g.setColor(new Color(rg, rg, b));\n\t else */\n\tif (w0 > 0)\n\t g.setColor(new Color(rg, b, b));\n\telse\n\t g.setColor(new Color(b, rg, b));\n }\n void setConductanceColor(Graphics g, double w0) {\n\tw0 *= powerMult;\n\t//System.out.println(w);\n\tdouble w = (w0 < 0) ? -w0 : w0;\n\tif (w > 1)\n\t w = 1;\n\tint rg = (int) (w*255);\n\tg.setColor(new Color(rg, rg, rg));\n }\n double getPower() { return getVoltageDiff()*current; }\n double getScopeValue(int x) {\n\treturn (x == 1) ? getPower() : getVoltageDiff();\n }\n String getScopeUnits(int x) {\n\treturn (x == 1) ? \"W\" : \"V\";\n }\n public EditInfo getEditInfo(int n) { return null; }\n public void setEditValue(int n, EditInfo ei) {}\n boolean getConnection(int n1, int n2) { return true; }\n boolean hasGroundConnection(int n1) { return false; }\n boolean isWire() { return false; }\n boolean canViewInScope() { return getPostCount() <= 2; }\n boolean comparePair(int x1, int x2, int y1, int y2) {\n\treturn ((x1 == y1 && x2 == y2) || (x1 == y2 && x2 == y1));\n }\n boolean needsHighlight() { return sim.mouseElm == this || selected; }\n boolean isSelected() { return selected; }\n void setSelected(boolean x) { selected = x; }\n void selectRect(Rectangle r) {\n\tselected = r.intersects(boundingBox);\n }\n static int abs(int x) { return x < 0 ? -x : x; }\n static int sign(int x) { return (x < 0) ? -1 : (x == 0) ? 0 : 1; }\n static int min(int a, int b) { return (a < b) ? a : b; }\n static int max(int a, int b) { return (a > b) ? a : b; }\n static double distance(Point p1, Point p2) {\n\tdouble x = p1.x-p2.x;\n\tdouble y = p1.y-p2.y;\n\treturn Math.sqrt(x*x+y*y);\n }\n Rectangle getBoundingBox() { return boundingBox; }\n boolean needsShortcut() { return getShortcut() > 0; }\n int getShortcut() { return 0; }\n\n boolean isGraphicElmt() { return false; }\n}\n" }, { "path": "src/CircuitLayout.java", "content": "import java.awt.*;\n\nclass CircuitLayout implements LayoutManager {\n public CircuitLayout() {}\n public void addLayoutComponent(String name, Component c) {}\n public void removeLayoutComponent(Component c) {}\n public Dimension preferredLayoutSize(Container target) {\n\treturn new Dimension(500, 500);\n }\n public Dimension minimumLayoutSize(Container target) {\n\treturn new Dimension(100,100);\n }\n public void layoutContainer(Container target) {\n\tInsets insets = target.insets();\n\tint targetw = target.size().width - insets.left - insets.right;\n\tint cw = targetw* 8/10;\n\tint targeth = target.size().height - (insets.top+insets.bottom);\n\ttarget.getComponent(0).move(insets.left, insets.top);\n\ttarget.getComponent(0).resize(cw, targeth);\n\tint barwidth = targetw - cw;\n\tcw += insets.left;\n\tint i;\n\tint h = insets.top;\n\tfor (i = 1; i < target.getComponentCount(); i++) {\n\t Component m = target.getComponent(i);\n\t if (m.isVisible()) {\n\t\tDimension d = m.getPreferredSize();\n\t\tif (m instanceof Scrollbar)\n\t\t d.width = barwidth;\n\t\tif (m instanceof Choice && d.width > barwidth)\n\t\t d.width = barwidth;\n\t\tif (m instanceof Label) {\n\t\t h += d.height/5;\n\t\t d.width = barwidth;\n\t\t}\n\t\tm.move(cw, h);\n\t\tm.resize(d.width, d.height);\n\t\th += d.height;\n\t }\n\t}\n }\n};\n" }, { "path": "src/CircuitNode.java", "content": "import java.util.Vector;\n\nclass CircuitNode {\n int x, y;\n Vector links;\n boolean internal;\n CircuitNode() { links = new Vector(); }\n}\n" }, { "path": "src/CircuitNodeLink.java", "content": " class CircuitNodeLink {\n\tint num;\n\tCircuitElm elm;\n }\n" }, { "path": "src/ClockElm.java", "content": " class ClockElm extends RailElm {\n\tpublic ClockElm(int xx, int yy) {\n\t super(xx, yy, WF_SQUARE);\n\t maxVoltage = 2.5;\n\t bias = 2.5;\n\t frequency = 100;\n\t flags |= FLAG_CLOCK;\n\t}\n\tClass getDumpClass() { return RailElm.class; }\n\tint getShortcut() { return 0; }\n }\n" }, { "path": "src/CounterElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class CounterElm extends ChipElm {\n\tfinal int FLAG_ENABLE = 2;\n\tpublic CounterElm(int xx, int yy) { super(xx, yy); }\n\tpublic CounterElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t}\n\tboolean needsBits() { return true; }\n\tString getChipName() { return \"Counter\"; }\n\tvoid setupPins() {\n\t sizeX = 2;\n\t sizeY = bits > 2 ? bits : 2;\n\t pins = new Pin[getPostCount()];\n\t pins[0] = new Pin(0, SIDE_W, \"\");\n\t pins[0].clock = true;\n\t pins[1] = new Pin(sizeY-1, SIDE_W, \"R\");\n\t pins[1].bubble = true;\n\t int i;\n\t for (i = 0; i != bits; i++) {\n\t\tint ii = i+2;\n\t\tpins[ii] = new Pin(i, SIDE_E, \"Q\" + (bits-i-1));\n\t\tpins[ii].output = pins[ii].state = true;\n\t }\n\t if (hasEnable())\n\t\tpins[bits+2] = new Pin(sizeY-2, SIDE_W, \"En\");\n\t allocNodes();\n\t}\n\tint getPostCount() {\n\t if (hasEnable())\n\t\treturn bits+3;\n\t return bits+2;\n\t}\n\tboolean hasEnable() { return (flags & FLAG_ENABLE) != 0; }\n\tint getVoltageSourceCount() { return bits; }\n\tvoid execute() {\n\t boolean en = true;\n\t if (hasEnable())\n\t\ten = pins[bits+2].value;\n\t if (pins[0].value && !lastClock && en) {\n\t\tint i;\n\t\tfor (i = bits-1; i >= 0; i--) {\n\t\t int ii = i+2;\n\t\t if (!pins[ii].value) {\n\t\t\tpins[ii].value = true;\n\t\t\tbreak;\n\t\t }\n\t\t pins[ii].value = false;\n\t\t}\n\t }\n\t if (!pins[1].value) {\n\t\tint i;\n\t\tfor (i = 0; i != bits; i++)\n\t\t pins[i+2].value = false;\n\t }\n\t lastClock = pins[0].value;\n\t}\n\tint getDumpType() { return 164; }\n }\n" }, { "path": "src/CurrentElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class CurrentElm extends CircuitElm {\n\tdouble currentValue;\n\tpublic CurrentElm(int xx, int yy) {\n\t super(xx, yy);\n\t currentValue = .01;\n\t}\n\tpublic CurrentElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t try {\n\t\tcurrentValue = new Double(st.nextToken()).doubleValue();\n\t } catch (Exception e) {\n\t\tcurrentValue = .01;\n\t }\n\t}\n\tString dump() {\n\t return super.dump() + \" \" + currentValue;\n\t}\n\tint getDumpType() { return 'i'; }\n\t\n\tPolygon arrow;\n\tPoint ashaft1, ashaft2, center;\n\tvoid setPoints() {\n\t super.setPoints();\n\t calcLeads(26);\n\t ashaft1 = interpPoint(lead1, lead2, .25);\n\t ashaft2 = interpPoint(lead1, lead2, .6);\n\t center = interpPoint(lead1, lead2, .5);\n\t Point p2 = interpPoint(lead1, lead2, .75);\n\t arrow = calcArrow(center, p2, 4, 4);\n\t}\n\tvoid draw(Graphics g) {\n\t int cr = 12;\n\t draw2Leads(g);\n\t setVoltageColor(g, (volts[0]+volts[1])/2);\n\t setPowerColor(g, false);\n\t \n\t drawThickCircle(g, center.x, center.y, cr);\n\t drawThickLine(g, ashaft1, ashaft2);\n\n\t g.fillPolygon(arrow);\n\t setBbox(point1, point2, cr);\n\t doDots(g);\n\t if (sim.showValuesCheckItem.getState()) {\n\t\tString s = getShortUnitText(currentValue, \"A\");\n\t\tif (dx == 0 || dy == 0)\n\t\t drawValues(g, s, cr);\n\t }\n\t drawPosts(g);\n\t}\n\tvoid stamp() {\n\t current = currentValue;\n\t sim.stampCurrentSource(nodes[0], nodes[1], current);\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"Current (A)\", currentValue, 0, .1);\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t currentValue = ei.value;\n\t}\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"current source\";\n\t getBasicInfo(arr);\n\t}\n\tdouble getVoltageDiff() {\n\t return volts[1] - volts[0];\n\t}\n }\n" }, { "path": "src/DACElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass DACElm extends ChipElm {\n public DACElm(int xx, int yy) { super(xx, yy); }\n public DACElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f, st);\n }\n String getChipName() { return \"DAC\"; }\n boolean needsBits() { return true; }\n void setupPins() {\n\tsizeX = 2;\n\tsizeY = bits > 2 ? bits : 2;\n\tpins = new Pin[getPostCount()];\n\tint i;\n\tfor (i = 0; i != bits; i++)\n\t pins[i] = new Pin(bits-1-i, SIDE_W, \"D\" + i);\n\tpins[bits] = new Pin(0, SIDE_E, \"O\");\n\tpins[bits].output = true;\n\tpins[bits+1] = new Pin(sizeY-1, SIDE_E, \"V+\");\n\tallocNodes();\n }\n void doStep() {\n\tint ival = 0;\n\tint i;\n\tfor (i = 0; i != bits; i++)\n\t if (volts[i] > 2.5)\n\t\tival |= 1< 4 && pins[4].value) {\n\t\tpins[1].value = false;\n\t\tpins[2].value = true;\n\t }\n\t lastClock = pins[3].value;\n\t}\n\tint getDumpType() { return 155; }\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 2) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Reset Pin\", hasReset());\n\t\treturn ei;\n\t }\n\t return super.getEditInfo(n);\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 2) {\n\t\tif (ei.checkbox.getState())\n\t\t flags |= FLAG_RESET;\n\t\telse\n\t\t flags &= ~FLAG_RESET;\n\t\tsetupPins();\n\t\tallocNodes();\n\t\tsetPoints();\n\t }\n\t super.setEditValue(n, ei);\n\t}\n }\n" }, { "path": "src/DecadeElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class DecadeElm extends ChipElm {\n\tpublic DecadeElm(int xx, int yy) { super(xx, yy); }\n\tpublic DecadeElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t}\n\tString getChipName() { return \"decade counter\"; }\n\tboolean needsBits() { return true; }\n\tvoid setupPins() {\n\t sizeX = bits > 2 ? bits : 2;\n\t sizeY = 2;\n\t pins = new Pin[getPostCount()];\n\t pins[0] = new Pin(1, SIDE_W, \"\");\n\t pins[0].clock = true;\n\t pins[1] = new Pin(sizeX-1, SIDE_S, \"R\");\n\t pins[1].bubble = true;\n\t int i;\n\t for (i = 0; i != bits; i++) {\n\t\tint ii = i+2;\n\t\tpins[ii] = new Pin(i, SIDE_N, \"Q\" + i);\n\t\tpins[ii].output = pins[ii].state = true;\n\t }\n\t allocNodes();\n\t}\n\tint getPostCount() { return bits+2; }\n\tint getVoltageSourceCount() { return bits; }\n\tvoid execute() {\n\t int i;\n\t if (pins[0].value && !lastClock) {\n\t\tfor (i = 0; i != bits; i++)\n\t\t if (pins[i+2].value)\n\t\t\tbreak;\n\t\tif (i < bits)\n\t\t pins[i++ +2].value = false;\n\t\ti %= bits;\n\t\tpins[i+2].value = true;\n\t }\n\t if (!pins[1].value) {\n\t\tfor (i = 1; i != bits; i++)\n\t\t pins[i+2].value = false;\n\t\tpins[2].value = true;\n\t }\n\t lastClock = pins[0].value;\n\t}\n\tint getDumpType() { return 163; }\n }\n" }, { "path": "src/DiacElm.java", "content": "// stub implementation of DiacElm, based on SparkGapElm\n// FIXME need to add DiacElm.java to srclist\n// FIXME need to uncomment DiacElm line from CirSim.java\n\nimport java.awt.*;\nimport java.util.StringTokenizer;\n\nclass DiacElm extends CircuitElm {\n double onresistance, offresistance, breakdown, holdcurrent;\n boolean state;\n public DiacElm(int xx, int yy) {\n\tsuper(xx, yy);\n\t// FIXME need to adjust defaults to make sense for diac\n\toffresistance = 1e9;\n\tonresistance = 1e3;\n\tbreakdown = 1e3;\n\tholdcurrent = 0.001;\n\tstate = false;\n }\n public DiacElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tonresistance = new Double(st.nextToken()).doubleValue();\n\toffresistance = new Double(st.nextToken()).doubleValue();\n\tbreakdown = new Double(st.nextToken()).doubleValue();\n\tholdcurrent = new Double(st.nextToken()).doubleValue();\n }\n boolean nonLinear() {return true;}\n int getDumpType() { return 185; }\n String dump() {\n\treturn super.dump() + \" \" + onresistance + \" \" + offresistance + \" \"\n\t + breakdown + \" \" + holdcurrent;\n }\n Point ps3, ps4;\n void setPoints() {\n\tsuper.setPoints();\n\tcalcLeads(32);\n\tps3 = new Point();\n\tps4 = new Point();\n }\n \n void draw(Graphics g) {\n\t// FIXME need to draw Diac\n\tint i;\n\tdouble v1 = volts[0];\n\tdouble v2 = volts[1];\n\tsetBbox(point1, point2, 6);\n\tdraw2Leads(g);\n\tsetPowerColor(g, true);\n\tdoDots(g);\n\tdrawPosts(g);\n }\n \n void calculateCurrent() {\n\tdouble vd = volts[0] - volts[1];\n\tif(state)\n\t current = vd/onresistance;\n\telse\n\t current = vd/offresistance;\n }\n void startIteration() {\n\tdouble vd = volts[0] - volts[1];\n\tif(Math.abs(current) < holdcurrent) state = false;\n\tif(Math.abs(vd) > breakdown) state = true;\n\t//System.out.print(this + \" res current set to \" + current + \"\\n\");\n }\n void doStep() {\n\tif(state)\n\t sim.stampResistor(nodes[0], nodes[1], onresistance);\n\telse\n\t sim.stampResistor(nodes[0], nodes[1], offresistance);\n }\n void stamp() {\n\tsim.stampNonLinear(nodes[0]);\n\tsim.stampNonLinear(nodes[1]);\n }\n void getInfo(String arr[]) {\n\t// FIXME\n\tarr[0] = \"spark gap\";\n\tgetBasicInfo(arr);\n\tarr[3] = state ? \"on\" : \"off\";\n\tarr[4] = \"Ron = \" + getUnitText(onresistance, sim.ohmString);\n\tarr[5] = \"Roff = \" + getUnitText(offresistance, sim.ohmString);\n\tarr[6] = \"Vbrkdn = \" + getUnitText(breakdown, \"V\");\n\tarr[7] = \"Ihold = \" + getUnitText(holdcurrent, \"A\");\n }\n public EditInfo getEditInfo(int n) {\n\tif (n == 0)\n\t return new EditInfo(\"On resistance (ohms)\", onresistance, 0, 0);\n\tif (n == 1)\n\t return new EditInfo(\"Off resistance (ohms)\", offresistance, 0, 0);\n\tif (n == 2)\n\t return new EditInfo(\"Breakdown voltage (volts)\", breakdown, 0, 0);\n\tif (n == 3)\n\t return new EditInfo(\"Hold current (amps)\", holdcurrent, 0, 0);\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (ei.value > 0 && n == 0)\n\t onresistance = ei.value;\n\tif (ei.value > 0 && n == 1)\n\t offresistance = ei.value;\n\tif (ei.value > 0 && n == 2)\n\t breakdown = ei.value;\n\tif (ei.value > 0 && n == 3)\n\t holdcurrent = ei.value;\n }\n}\n\n" }, { "path": "src/Diode.java", "content": "class Diode {\n int nodes[];\n CirSim sim;\n\n \n Diode(CirSim s) {\n\tsim = s;\n\tnodes = new int[2];\n }\n void setup(double fw, double zv) {\n\tfwdrop = fw;\n\tzvoltage = zv;\n\tvdcoef = Math.log(1/leakage + 1)/fwdrop;\n\tvt = 1/vdcoef;\n\t// critical voltage for limiting; current is vt/sqrt(2) at\n\t// this voltage\n\tvcrit = vt * Math.log(vt/(Math.sqrt(2)*leakage));\n\tif (zvoltage == 0)\n\t zoffset = 0;\n\telse {\n\t // calculate offset which will give us 5mA at zvoltage\n\t double i = -.005;\n\t zoffset = zvoltage-Math.log(-(1+i/leakage))/vdcoef;\n\t}\n }\n\t\n void reset() {\n\tlastvoltdiff = 0;\n }\n\t\n public double leakage = 1e-14; // was 1e-9;\n double vt, vdcoef, fwdrop, zvoltage, zoffset;\n double lastvoltdiff;\n double vcrit;\n \n double limitStep(double vnew, double vold) {\n\tdouble arg;\n\tdouble oo = vnew;\n\n\t// check new voltage; has current changed by factor of e^2?\n\tif (vnew > vcrit && Math.abs(vnew - vold) > (vt + vt)) {\n\t if(vold > 0) {\n\t\targ = 1 + (vnew - vold) / vt;\n\t\tif(arg > 0) {\n\t\t // adjust vnew so that the current is the same\n\t\t // as in linearized model from previous iteration.\n\t\t // current at vnew = old current * arg\n\t\t vnew = vold + vt * Math.log(arg);\n\t\t // current at v0 = 1uA\n\t\t double v0 = Math.log(1e-6/leakage)*vt;\n\t\t vnew = Math.max(v0, vnew);\n\t\t} else {\n\t\t vnew = vcrit;\n\t\t}\n\t } else {\n\t\t// adjust vnew so that the current is the same\n\t\t// as in linearized model from previous iteration.\n\t\t// (1/vt = slope of load line)\n\t\tvnew = vt *Math.log(vnew/vt);\n\t }\n\t sim.converged = false;\n\t //System.out.println(vnew + \" \" + oo + \" \" + vold);\n\t} else if (vnew < 0 && zoffset != 0) {\n\t // for Zener breakdown, use the same logic but translate the values\n\t vnew = -vnew - zoffset;\n\t vold = -vold - zoffset;\n\t \n\t if (vnew > vcrit && Math.abs(vnew - vold) > (vt + vt)) {\n\t\tif(vold > 0) {\n\t\t arg = 1 + (vnew - vold) / vt;\n\t\t if(arg > 0) {\n\t\t\tvnew = vold + vt * Math.log(arg);\n\t\t\tdouble v0 = Math.log(1e-6/leakage)*vt;\n\t\t\tvnew = Math.max(v0, vnew);\n\t\t\t//System.out.println(oo + \" \" + vnew);\n\t\t } else {\n\t\t\tvnew = vcrit;\n\t\t }\n\t\t} else {\n\t\t vnew = vt *Math.log(vnew/vt);\n\t\t}\n\t\tsim.converged = false;\n\t }\n\t vnew = -(vnew+zoffset);\n\t}\n\treturn vnew;\n }\n \n void stamp(int n0, int n1) {\n\tnodes[0] = n0;\n\tnodes[1] = n1;\n\tsim.stampNonLinear(nodes[0]);\n\tsim.stampNonLinear(nodes[1]);\n }\n \n void doStep(double voltdiff) {\n\t// used to have .1 here, but needed .01 for peak detector\n\tif (Math.abs(voltdiff-lastvoltdiff) > .01)\n\t sim.converged = false;\n\tvoltdiff = limitStep(voltdiff, lastvoltdiff);\n\tlastvoltdiff = voltdiff;\n\n\tif (voltdiff >= 0 || zvoltage == 0) {\n\t // regular diode or forward-biased zener\n\t double eval = Math.exp(voltdiff*vdcoef);\n\t // make diode linear with negative voltages; aids convergence\n\t if (voltdiff < 0)\n\t\teval = 1;\n\t double geq = vdcoef*leakage*eval;\n\t double nc = (eval-1)*leakage - geq*voltdiff;\n\t sim.stampConductance(nodes[0], nodes[1], geq);\n\t sim.stampCurrentSource(nodes[0], nodes[1], nc);\n\t} else {\n\t // Zener diode\n\t \n\t /* \n\t * I(Vd) = Is * (exp[Vd*C] - exp[(-Vd-Vz)*C] - 1 )\n\t *\n\t * geq is I'(Vd)\n\t * nc is I(Vd) + I'(Vd)*(-Vd)\n\t */\n\n\t double geq = leakage*vdcoef* ( \n\t\tMath.exp(voltdiff*vdcoef) + Math.exp((-voltdiff-zoffset)*vdcoef)\n\t\t);\n\n\t double nc = leakage* (\n\t\tMath.exp(voltdiff*vdcoef) \n\t\t- Math.exp((-voltdiff-zoffset)*vdcoef) \n\t\t- 1\n\t\t) + geq*(-voltdiff);\n\n\t sim.stampConductance(nodes[0], nodes[1], geq);\n\t sim.stampCurrentSource(nodes[0], nodes[1], nc);\n\t}\n }\n \n double calculateCurrent(double voltdiff) {\n\tif (voltdiff >= 0 || zvoltage == 0)\n\t return leakage*(Math.exp(voltdiff*vdcoef)-1);\n\treturn leakage* (\n\t Math.exp(voltdiff*vdcoef) \n\t - Math.exp((-voltdiff-zoffset)*vdcoef) \n\t - 1\n\t );\n }\n}\n" }, { "path": "src/DiodeElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass DiodeElm extends CircuitElm {\n Diode diode;\n static final int FLAG_FWDROP = 1;\n final double defaultdrop = .805904783;\n double fwdrop, zvoltage;\n \n public DiodeElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tdiode = new Diode(sim);\n\tfwdrop = defaultdrop;\n\tzvoltage = 0;\n\tsetup();\n }\n public DiodeElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tdiode = new Diode(sim);\n\tfwdrop = defaultdrop;\n\tzvoltage = 0;\n\tif ((f & FLAG_FWDROP) > 0) {\n\t try {\n\t\tfwdrop = new Double(st.nextToken()).doubleValue();\n\t } catch (Exception e) {\n\t }\n\t}\n\tsetup();\n }\n boolean nonLinear() { return true; }\n \n void setup() {\n\tdiode.setup(fwdrop, zvoltage);\n }\n \n int getDumpType() { return 'd'; }\n String dump() {\n\tflags |= FLAG_FWDROP;\n\treturn super.dump() + \" \" + fwdrop;\n }\n \n\n final int hs = 8;\n Polygon poly;\n Point cathode[];\n\t\n void setPoints() {\n\tsuper.setPoints();\n\tcalcLeads(16);\n\tcathode = newPointArray(2);\n\tPoint pa[] = newPointArray(2);\n\tinterpPoint2(lead1, lead2, pa[0], pa[1], 0, hs);\n\tinterpPoint2(lead1, lead2, cathode[0], cathode[1], 1, hs);\n\tpoly = createPolygon(pa[0], pa[1], lead2);\n }\n\t\n void draw(Graphics g) {\n\tdrawDiode(g);\n\tdoDots(g);\n\tdrawPosts(g);\n }\n\t\n void reset() {\n\tdiode.reset();\n\tvolts[0] = volts[1] = curcount = 0;\n }\n\t\n void drawDiode(Graphics g) {\n\tsetBbox(point1, point2, hs);\n\n\tdouble v1 = volts[0];\n\tdouble v2 = volts[1];\n\n\tdraw2Leads(g);\n\n\t// draw arrow thingy\n\tsetPowerColor(g, true);\n\tsetVoltageColor(g, v1);\n\tg.fillPolygon(poly);\n\n\t// draw thing arrow is pointing to\n\tsetVoltageColor(g, v2);\n\tdrawThickLine(g, cathode[0], cathode[1]);\n }\n\t\n void stamp() { diode.stamp(nodes[0], nodes[1]); }\n void doStep() {\n\tdiode.doStep(volts[0]-volts[1]);\n }\n void calculateCurrent() {\n\tcurrent = diode.calculateCurrent(volts[0]-volts[1]);\n }\n void getInfo(String arr[]) {\n\tarr[0] = \"diode\";\n\tarr[1] = \"I = \" + getCurrentText(getCurrent());\n\tarr[2] = \"Vd = \" + getVoltageText(getVoltageDiff());\n\tarr[3] = \"P = \" + getUnitText(getPower(), \"W\");\n\tarr[4] = \"Vf = \" + getVoltageText(fwdrop);\n }\n public EditInfo getEditInfo(int n) {\n\tif (n == 0)\n\t return new EditInfo(\"Fwd Voltage @ 1A\", fwdrop, 10, 1000);\n\treturn null;\n } \n public void setEditValue(int n, EditInfo ei) {\n\tfwdrop = ei.value;\n\tsetup();\n }\n int getShortcut() { return 'd'; }\n}\n" }, { "path": "src/EditDialog.java", "content": "import java.awt.*;\nimport java.awt.event.*;\nimport java.text.NumberFormat;\nimport java.text.DecimalFormat;\n\ninterface Editable {\n EditInfo getEditInfo(int n);\n void setEditValue(int n, EditInfo ei);\n}\n\nclass EditDialog extends Dialog implements AdjustmentListener, ActionListener, ItemListener {\n Editable elm;\n CirSim cframe;\n Button applyButton, okButton;\n EditInfo einfos[];\n int einfocount;\n final int barmax = 1000;\n NumberFormat noCommaFormat;\n\n EditDialog(Editable ce, CirSim f) {\n\tsuper(f, \"Edit Component\", false);\n\tcframe = f;\n\telm = ce;\n\tsetLayout(new EditDialogLayout());\n\teinfos = new EditInfo[10];\n\tnoCommaFormat = DecimalFormat.getInstance();\n\tnoCommaFormat.setMaximumFractionDigits(10);\n\tnoCommaFormat.setGroupingUsed(false);\n\tint i;\n\tfor (i = 0; ; i++) {\n\t einfos[i] = elm.getEditInfo(i);\n\t if (einfos[i] == null)\n\t\tbreak;\n\t EditInfo ei = einfos[i];\n\t add(new Label(ei.name));\n\t if (ei.choice != null) {\n\t\tadd(ei.choice);\n\t\tei.choice.addItemListener(this);\n\t } else if (ei.checkbox != null) {\n\t\tadd(ei.checkbox);\n\t\tei.checkbox.addItemListener(this);\n\t } else {\n\t\tadd(ei.textf =\n\t\t new TextField(unitString(ei), 10));\n\t\tif (ei.text != null)\n\t\t ei.textf.setText(ei.text);\n\t\tei.textf.addActionListener(this);\n\t\tif (ei.text == null) {\n\t\t add(ei.bar = new Scrollbar(Scrollbar.HORIZONTAL,\n\t\t\t\t\t 50, 10, 0, barmax+2));\n\t\t setBar(ei);\n\t\t ei.bar.addAdjustmentListener(this);\n\t\t}\n\t }\n\t}\n\teinfocount = i;\n\tadd(applyButton = new Button(\"Apply\"));\n\tapplyButton.addActionListener(this);\n\tadd(okButton = new Button(\"OK\"));\n\tokButton.addActionListener(this);\n\tPoint x = cframe.main.getLocationOnScreen();\n\tDimension d = getSize();\n\tsetLocation(x.x + (cframe.winSize.width-d.width)/2,\n\t\t x.y + (cframe.winSize.height-d.height)/2);\n\taddWindowListener(new WindowAdapter()\n\t\t{\n\t\t\tpublic void windowClosing(WindowEvent we)\n\t\t\t{\n\t\t\t\tcloseDialog();\n\t\t\t}\n\t\t}\n\t);\n }\n\n String unitString(EditInfo ei) {\n\tdouble v = ei.value;\n\tdouble va = Math.abs(v);\n\tif (ei.dimensionless)\n\t return noCommaFormat.format(v);\n\tif (v == 0) return \"0\";\n\tif (va < 1e-9)\n\t return noCommaFormat.format(v*1e12) + \"p\";\n\tif (va < 1e-6)\n\t return noCommaFormat.format(v*1e9) + \"n\";\n\tif (va < 1e-3)\n\t return noCommaFormat.format(v*1e6) + \"u\";\n\tif (va < 1 && !ei.forceLargeM)\n\t return noCommaFormat.format(v*1e3) + \"m\";\n\tif (va < 1e3)\n\t return noCommaFormat.format(v);\n\tif (va < 1e6)\n\t return noCommaFormat.format(v*1e-3) + \"k\";\n\tif (va < 1e9)\n\t return noCommaFormat.format(v*1e-6) + \"M\";\n\treturn noCommaFormat.format(v*1e-9) + \"G\";\n }\n\n double parseUnits(EditInfo ei) throws java.text.ParseException {\n\tString s = ei.textf.getText();\n\ts = s.trim();\n\tint len = s.length();\n\tchar uc = s.charAt(len-1);\n\tdouble mult = 1;\n\tswitch (uc) {\n\tcase 'p': case 'P': mult = 1e-12; break;\n\tcase 'n': case 'N': mult = 1e-9; break;\n\tcase 'u': case 'U': mult = 1e-6; break;\n\t \n\t// for ohm values, we assume mega for lowercase m, otherwise milli\n\tcase 'm': mult = (ei.forceLargeM) ? 1e6 : 1e-3; break;\n\t\n\tcase 'k': case 'K': mult = 1e3; break;\n\tcase 'M': mult = 1e6; break;\n\tcase 'G': case 'g': mult = 1e9; break;\n\t}\n\tif (mult != 1)\n\t s = s.substring(0, len-1).trim();\n\treturn noCommaFormat.parse(s).doubleValue() * mult;\n }\n\t\n void apply() {\n\tint i;\n\tfor (i = 0; i != einfocount; i++) {\n\t EditInfo ei = einfos[i];\n\t if (ei.textf == null)\n\t\tcontinue;\n\t if (ei.text == null) {\n\t\ttry {\n\t\t double d = parseUnits(ei);\n\t\t ei.value = d;\n\t\t} catch (Exception ex) { /* ignored */ }\n\t }\n\t elm.setEditValue(i, ei);\n\t if (ei.text == null)\n\t\tsetBar(ei);\n\t}\n\tcframe.needAnalyze();\n }\n\t\n public void actionPerformed(ActionEvent e) {\n\tint i;\n\tObject src = e.getSource();\n\tfor (i = 0; i != einfocount; i++) {\n\t EditInfo ei = einfos[i];\n\t if (src == ei.textf) {\n\t\tif (ei.text == null) {\n\t\t try {\n\t\t\tdouble d = parseUnits(ei);\n\t\t\tei.value = d;\n\t\t } catch (Exception ex) { /* ignored */ }\n\t\t}\n\t\telm.setEditValue(i, ei);\n\t\tif (ei.text == null)\n\t\t setBar(ei);\n\t\tcframe.needAnalyze();\n\t }\n\t}\n\tif (e.getSource() == okButton) {\n\t apply();\n\t closeDialog();\n\t}\n\tif (e.getSource() == applyButton)\n\t apply();\n }\n\t\n public void adjustmentValueChanged(AdjustmentEvent e) {\n\tObject src = e.getSource();\n\tint i;\n\tfor (i = 0; i != einfocount; i++) {\n\t EditInfo ei = einfos[i];\n\t if (ei.bar == src) {\n\t\tdouble v = ei.bar.getValue() / 1000.;\n\t\tif (v < 0)\n\t\t v = 0;\n\t\tif (v > 1)\n\t\t v = 1;\n\t\tei.value = (ei.maxval-ei.minval)*v + ei.minval;\n\t\t/*if (ei.maxval-ei.minval > 100)\n\t\t ei.value = Math.round(ei.value);\n\t\telse\n\t\tei.value = Math.round(ei.value*100)/100.;*/\n\t\tei.value = Math.round(ei.value/ei.minval)*ei.minval;\n\t\telm.setEditValue(i, ei);\n\t\tei.textf.setText(unitString(ei));\n\t\tcframe.needAnalyze();\n\t }\n\t}\n }\n\n public void itemStateChanged(ItemEvent e) {\n\tObject src = e.getItemSelectable();\n\tint i;\n\tboolean changed = false;\n\tfor (i = 0; i != einfocount; i++) {\n\t EditInfo ei = einfos[i];\n\t if (ei.choice == src || ei.checkbox == src) {\n\t\telm.setEditValue(i, ei);\n\t\tif (ei.newDialog)\n\t\t changed = true;\n\t\tcframe.needAnalyze();\n\t }\n\t}\n\tif (changed) {\n\t setVisible(false);\n\t cframe.editDialog = new EditDialog(elm, cframe);\n\t cframe.editDialog.show();\n\t}\n }\n\t\n public boolean handleEvent(Event ev) {\n\tif (ev.id == Event.WINDOW_DESTROY) {\n\t closeDialog();\n\t return true;\n\t}\n\treturn super.handleEvent(ev);\n }\n\n void setBar(EditInfo ei) {\n\tint x = (int) (barmax*(ei.value-ei.minval)/(ei.maxval-ei.minval));\n\tei.bar.setValue(x);\n }\n\n protected void closeDialog()\n {\n\tcframe.main.requestFocus();\n\tsetVisible(false);\n\tcframe.editDialog = null;\n }\n}\n\n" }, { "path": "src/EditDialogLayout.java", "content": "import java.awt.*;\nimport java.awt.event.*;\n\nclass EditDialogLayout implements LayoutManager {\n public EditDialogLayout() {}\n public void addLayoutComponent(String name, Component c) {}\n public void removeLayoutComponent(Component c) {}\n public Dimension preferredLayoutSize(Container target) {\n\treturn new Dimension(500, 500);\n }\n public Dimension minimumLayoutSize(Container target) {\n\treturn new Dimension(100,100);\n }\n public void layoutContainer(Container target) {\n\tInsets insets = target.insets();\n\tint targetw = target.size().width - insets.left - insets.right;\n\tint targeth = target.size().height - (insets.top+insets.bottom);\n\tint i;\n\tint h = insets.top;\n\tint pw = 300;\n\tint x = 0;\n\tfor (i = 0; i < target.getComponentCount(); i++) {\n\t Component m = target.getComponent(i);\n\t boolean newline = true;\n\t if (m.isVisible()) {\n\t\tDimension d = m.getPreferredSize();\n\t\tif (pw < d.width)\n\t\t pw = d.width;\n\t\tif (m instanceof Scrollbar) {\n\t\t h += 10;\n\t\t d.width = targetw-x;\n\t\t}\n\t\tif (m instanceof Choice && d.width > targetw)\n\t\t d.width = targetw-x;\n\t\tif (m instanceof Label) {\n\t\t Dimension d2 =\n\t\t\ttarget.getComponent(i+1).getPreferredSize();\n\t\t if (d.height < d2.height)\n\t\t\td.height = d2.height;\n\t\t h += d.height/5;\n\t\t newline = false;\n\t\t}\n\t\tif (m instanceof Button) {\n\t\t if (x == 0)\n\t\t\th += 20;\n\t\t if (i != target.getComponentCount()-1)\n\t\t\tnewline = false;\n\t\t}\n\t\tm.move(insets.left+x, h);\n\t\tm.resize(d.width, d.height);\n\t\tif (newline) {\n\t\t h += d.height;\n\t\t x = 0;\n\t\t} else\n\t\t x += d.width;\n\t }\n\t}\n\tif (target.size().height < h)\n\t target.resize(pw + insets.right, h + insets.bottom);\n }\n};\n\n" }, { "path": "src/EditInfo.java", "content": "import java.awt.*;\n\nclass EditInfo {\n EditInfo(String n, double val, double mn, double mx) {\n\tname = n;\n\tvalue = val;\n\tif (mn == 0 && mx == 0 && val > 0) {\n\t minval = 1e10;\n\t while (minval > val/100)\n\t\tminval /= 10.;\n\t maxval = minval * 1000;\n\t} else {\n\t minval = mn;\n\t maxval = mx;\n\t}\n\tforceLargeM = name.indexOf(\"(ohms)\") > 0 ||\n\t name.indexOf(\"(Hz)\") > 0;\n\tdimensionless = false;\n }\n EditInfo setDimensionless() { dimensionless = true; return this; }\n String name, text;\n double value, minval, maxval;\n TextField textf;\n Scrollbar bar;\n Choice choice;\n Checkbox checkbox;\n boolean newDialog;\n boolean forceLargeM;\n boolean dimensionless;\n}\n \n" }, { "path": "src/EditOptions.java", "content": "class EditOptions implements Editable {\n CirSim sim;\n public EditOptions(CirSim s) { sim = s; }\n public EditInfo getEditInfo(int n) {\n\tif (n == 0)\n\t return new EditInfo(\"Time step size (s)\", sim.timeStep, 0, 0);\n\tif (n == 1)\n\t return new EditInfo(\"Range for voltage color (V)\",\n\t\t\t\tCircuitElm.voltageRange, 0, 0);\n\t \n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (n == 0 && ei.value > 0)\n\t sim.timeStep = ei.value;\n\tif (n == 1 && ei.value > 0)\n\t CircuitElm.voltageRange = ei.value;\n }\n};\n" }, { "path": "src/GateElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n abstract class GateElm extends CircuitElm {\n\tfinal int FLAG_SMALL = 1;\n\tint inputCount = 2;\n\tboolean lastOutput;\n\t\n\tpublic GateElm(int xx, int yy) {\n\t super(xx, yy);\n\t noDiagonal = true;\n\t inputCount = 2;\n\t setSize(sim.smallGridCheckItem.getState() ? 1 : 2);\n\t}\n\tpublic GateElm(int xa, int ya, int xb, int yb, int f,\n\t\t\tStringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t inputCount = new Integer(st.nextToken()).intValue();\n\t lastOutput = new Double (st.nextToken()).doubleValue() > 2.5;\n\t noDiagonal = true;\n\t setSize((f & FLAG_SMALL) != 0 ? 1 : 2);\n\t}\n\tboolean isInverting() { return false; }\n\tint gsize, gwidth, gwidth2, gheight, hs2;\n\tvoid setSize(int s) {\n\t gsize = s;\n\t gwidth = 7*s;\n\t gwidth2 = 14*s;\n\t gheight = 8*s;\n\t flags = (s == 1) ? FLAG_SMALL : 0;\n\t}\n\tString dump() {\n\t return super.dump() + \" \" + inputCount + \" \" + volts[inputCount];\n\t}\n\tPoint inPosts[], inGates[];\n\tint ww;\n\tvoid setPoints() {\n\t super.setPoints();\n\t if (dn > 150 && this == sim.dragElm)\n\t\tsetSize(2);\n\t int hs = gheight;\n\t int i;\n\t ww = gwidth2; // was 24\n\t if (ww > dn/2)\n\t\tww = (int) (dn/2);\n\t if (isInverting() && ww+8 > dn/2)\n\t\tww = (int) (dn/2-8);\n\t calcLeads(ww*2);\n\t inPosts = new Point[inputCount];\n\t inGates = new Point[inputCount];\n\t allocNodes();\n\t int i0 = -inputCount/2;\n\t for (i = 0; i != inputCount; i++, i0++) {\n\t\tif (i0 == 0 && (inputCount & 1) == 0)\n\t\t i0++;\n\t\tinPosts[i] = interpPoint(point1, point2, 0, hs*i0);\n\t\tinGates[i] = interpPoint(lead1, lead2, 0, hs*i0);\n\t\tvolts[i] = (lastOutput ^ isInverting()) ? 5 : 0;\n\t }\n\t hs2 = gwidth*(inputCount/2+1);\n\t setBbox(point1, point2, hs2);\n\t}\n\tvoid draw(Graphics g) {\n\t int i;\n\t for (i = 0; i != inputCount; i++) {\n\t\tsetVoltageColor(g, volts[i]);\n\t\tdrawThickLine(g, inPosts[i], inGates[i]);\n\t }\n\t setVoltageColor(g, volts[inputCount]);\n\t drawThickLine(g, lead2, point2);\n\t g.setColor(needsHighlight() ? selectColor : lightGrayColor);\n\t drawThickPolygon(g, gatePoly);\n\t if (linePoints != null)\n\t\tfor (i = 0; i != linePoints.length-1; i++)\n\t\t drawThickLine(g, linePoints[i], linePoints[i+1]);\n\t if (isInverting())\n\t\tdrawThickCircle(g, pcircle.x, pcircle.y, 3);\n\t curcount = updateDotCount(current, curcount);\n\t drawDots(g, lead2, point2, curcount);\n\t drawPosts(g);\n\t}\n\tPolygon gatePoly;\n\tPoint pcircle, linePoints[];\n\tint getPostCount() { return inputCount+1; }\n\tPoint getPost(int n) {\n\t if (n == inputCount)\n\t\treturn point2;\n\t return inPosts[n];\n\t}\n\tint getVoltageSourceCount() { return 1; }\n\tabstract String getGateName();\n\tvoid getInfo(String arr[]) {\n\t arr[0] = getGateName();\n\t arr[1] = \"Vout = \" + getVoltageText(volts[inputCount]);\n\t arr[2] = \"Iout = \" + getCurrentText(getCurrent());\n\t}\n\tvoid stamp() {\n\t sim.stampVoltageSource(0, nodes[inputCount], voltSource);\n\t}\n\tboolean getInput(int x) {\n\t return volts[x] > 2.5;\n\t}\n\tabstract boolean calcFunction();\n\tvoid doStep() {\n\t int i;\n\t boolean f = calcFunction();\n\t if (isInverting())\n\t\tf = !f;\n\t lastOutput = f;\n\t double res = f ? 5 : 0;\n\t sim.updateVoltageSource(0, nodes[inputCount], voltSource, res);\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"# of Inputs\", inputCount, 1, 8).\n\t\t setDimensionless();\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t inputCount = (int) ei.value;\n\t setPoints();\n\t}\n\t// there is no current path through the gate inputs, but there\n\t// is an indirect path through the output to ground.\n\tboolean getConnection(int n1, int n2) { return false; }\n\tboolean hasGroundConnection(int n1) {\n\t return (n1 == inputCount);\n\t}\n }\n\n" }, { "path": "src/GraphicElm.java", "content": "class GraphicElm extends CircuitElm\n{\n\n public GraphicElm(int xx, int yy)\n {\n\tsuper(xx,yy);\n }\n\n public GraphicElm(int xa, int ya, int xb, int yb, int flags)\n {\n\tsuper(xa, ya, xb, yb, flags);\n }\n\n int getPostCount() { return 0; }\n}\n\n" }, { "path": "src/GroundElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class GroundElm extends CircuitElm {\n\tpublic GroundElm(int xx, int yy) { super(xx, yy); }\n\tpublic GroundElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t}\n\tint getDumpType() { return 'g'; }\n\tint getPostCount() { return 1; }\n\tvoid draw(Graphics g) {\n\t setVoltageColor(g, 0);\n\t drawThickLine(g, point1, point2);\n\t int i;\n\t for (i = 0; i != 3; i++) {\n\t\tint a = 10-i*4;\n\t\tint b = i*5; // -10;\n\t\tinterpPoint2(point1, point2, ps1, ps2, 1+b/dn, a);\n\t\tdrawThickLine(g, ps1, ps2);\n\t }\n\t doDots(g);\n\t interpPoint(point1, point2, ps2, 1+11./dn);\n\t setBbox(point1, ps2, 11);\n\t drawPost(g, x, y, nodes[0]);\n\t}\n\tvoid setCurrent(int x, double c) { current = -c; }\n\tvoid stamp() {\n\t sim.stampVoltageSource(0, nodes[0], voltSource, 0);\n\t}\n\tdouble getVoltageDiff() { return 0; }\n\tint getVoltageSourceCount() { return 1; }\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"ground\";\n\t arr[1] = \"I = \" + getCurrentText(getCurrent());\n\t}\n\tboolean hasGroundConnection(int n1) { return true; }\n\tint getShortcut() { return 'g'; }\n }\n" }, { "path": "src/ImportExportAppletDialog.java", "content": "import java.awt.Dialog;\nimport java.applet.Applet;\nimport java.awt.Frame;\nimport netscape.javascript.*; // add plugin.jar to classpath during compilation\n\nclass ImportExportAppletDialog\nextends Dialog\nimplements ImportExportDialog\n{\n Action type;\n CirSim cframe;\n String circuitDump;\n\n ImportExportAppletDialog(CirSim f, Action type)\n throws Exception\n {\n\tsuper(f, (type == Action.EXPORT) ? \"Export\" : \"Import\", false);\n\tthis.type = type;\n\tcframe = f;\n\tif ( cframe.applet == null )\n\t throw new Exception(\"Not running as an applet!\");\n }\n\n public void setDump(String dump)\n {\n\tcircuitDump = dump;\n }\n\n public void execute()\n {\n \ttry\n\t{\n\t JSObject window = JSObject.getWindow(cframe.applet);\n\t if ( type == Action.EXPORT )\n\t {\n\t\t//cframe.setVisible(false);\n\t\twindow.call(\"exportCircuit\", new Object[] { circuitDump });\n\t }\n\t else\n\t {\n\t\t//cframe.setVisible(false);\n\t\tcircuitDump = (String)window.eval(\"importCircuit()\");\n\t\tcframe.readSetup( circuitDump );\n\t }\n\t}\n\tcatch (Exception e)\n\t{\n\t e.printStackTrace();\n\t}\n }\n}\n" }, { "path": "src/ImportExportClipboardDialog.java", "content": "import java.awt.*;\nimport java.awt.event.*;\n\nimport java.awt.datatransfer.Clipboard;\nimport java.awt.datatransfer.DataFlavor;\nimport java.awt.datatransfer.StringSelection;\nimport java.awt.datatransfer.Transferable;\n\nclass ImportExportClipboardDialog\nextends Dialog\nimplements ImportExportDialog,ActionListener\n{\n CirSim cframe;\n Button importButton, closeButton;\n TextArea text;\n Action type;\n\n Clipboard clipboard = null;\n\n ImportExportClipboardDialog(CirSim f, Action type) {\n\tsuper(f, (type == Action.EXPORT) ? \"Export\" : \"Import\", false);\n\tcframe = f;\n\tsetLayout(new ImportExportDialogLayout());\n\tadd(text = new TextArea(\"\", 10, 60, TextArea.SCROLLBARS_BOTH));\n\tif (type == Action.EXPORT)\n\t importButton = new Button(\"Copy to clipboard\");\n\telse\n\t importButton = new Button(\"Import\");\n\tthis.type = type;\n\tadd(importButton);\n\timportButton.addActionListener(this);\n\tadd(closeButton = new Button(\"Close\"));\n\tcloseButton.addActionListener(this);\n\tPoint x = cframe.main.getLocationOnScreen();\n\tresize(400, 300);\n\tDimension d = getSize();\n\tsetLocation(x.x + (cframe.winSize.width-d.width)/2,\n\t\t x.y + (cframe.winSize.height-d.height)/2);\n }\n\n public void setDump(String dump)\n {\n\ttext.setText(dump);\n }\n\n public void execute()\n {\n\tif ( type == Action.EXPORT )\n\t text.selectAll();\n\tsetVisible(true);\n }\n\n public void actionPerformed(ActionEvent e) {\n\tint i;\n\tObject src = e.getSource();\n\tif (src == importButton) {\n\t if (clipboard == null)\n\t\tclipboard = getToolkit().getSystemClipboard();\n\t if ( type == Action.EXPORT )\n\t {\n\t\tStringSelection data = new StringSelection(text.getText());\n\t\tclipboard.setContents(data, data);\n\t }\n\t else\n\t {\n\t cframe.readSetup(text.getText());\n\t }\n\t}\n\tif (src == closeButton)\n\t setVisible(false);\n }\n\n public boolean handleEvent(Event ev) {\n\tif (ev.id == Event.WINDOW_DESTROY) {\n\t CirSim.main.requestFocus();\n\t setVisible(false);\n\t cframe.impDialog = null;\n\t return true;\n\t}\n\treturn super.handleEvent(ev);\n }\n\n}\n" }, { "path": "src/ImportExportDialog.java", "content": "import java.awt.*;\nimport java.awt.event.*;\n\npublic interface ImportExportDialog {\n public enum Action { IMPORT, EXPORT };\n\n public void setDump(String dump);\n\n public void execute();\n}\n\n" }, { "path": "src/ImportExportDialogFactory.java", "content": "public class ImportExportDialogFactory\n{\n public static ImportExportDialog Create(CirSim f,\n\tImportExportDialog.Action type)\n {\n\tif (f.applet != null)\n\t{\n\t try\n\t {\n\t\treturn new ImportExportAppletDialog(f, type);\n\t }\n\t catch (Exception e)\n\t {\n\t\treturn new ImportExportClipboardDialog(f, type);\n\t }\n\t}\n\telse\n\t{\n\t return new ImportExportFileDialog(f, type);\n\t}\n }\n}\n" }, { "path": "src/ImportExportDialogLayout.java", "content": "import java.awt.*;\n\nclass ImportExportDialogLayout implements LayoutManager {\n public ImportExportDialogLayout() {}\n public void addLayoutComponent(String name, Component c) {}\n public void removeLayoutComponent(Component c) {}\n public Dimension preferredLayoutSize(Container target) {\n\treturn new Dimension(500, 500);\n }\n public Dimension minimumLayoutSize(Container target) {\n\treturn new Dimension(100,100);\n }\n public void layoutContainer(Container target) {\n\tInsets insets = target.insets();\n\tint targetw = target.size().width - insets.left - insets.right;\n\tint targeth = target.size().height - (insets.top+insets.bottom);\n\tint i;\n\tint pw = 300;\n\tif (target.getComponentCount() == 0)\n\t return;\n\tComponent cl = target.getComponent(target.getComponentCount()-1);\n\tDimension dl = cl.getPreferredSize();\n\ttarget.getComponent(0).move(insets.left, insets.top);\n\tint cw = target.size().width - insets.left - insets.right;\n\tint ch = target.size().height - insets.top - insets.bottom -\n\t dl.height;\n\ttarget.getComponent(0).resize(cw, ch);\n\tint h = ch + insets.top;\n\tint x = 0;\n\tfor (i = 1; i < target.getComponentCount(); i++) {\n\t Component m = target.getComponent(i);\n\t if (m.isVisible()) {\n\t\tDimension d = m.getPreferredSize();\n\t\tm.move(insets.left+x, h);\n\t\tm.resize(d.width, d.height);\n\t\tx += d.width;\n\t }\n\t}\n }\n};\n\n" }, { "path": "src/ImportExportFileDialog.java", "content": "import java.awt.*;\nimport java.awt.event.*;\nimport java.io.*;\nimport java.nio.ByteBuffer;\nimport java.nio.MappedByteBuffer;\nimport java.nio.channels.FileChannel;\nimport java.nio.charset.Charset;\n\nclass ImportExportFileDialog\nimplements ImportExportDialog\n{\n CirSim cframe;\n private static String circuitDump;\n Action type;\n private static String directory = \".\";\n\n ImportExportFileDialog(CirSim f, Action type)\n {\n\tif ( directory.equals(\".\") )\n\t{\n\t File file = new File(\"circuits\");\n\t if ( file.isDirectory() )\n\t\tdirectory = \"circuits\";\n\t}\n\tthis.type = type;\n\tcframe = f;\n }\n\n public void setDump(String dump)\n {\n\tcircuitDump = dump;\n }\n\n public String getDump()\n {\n\treturn circuitDump;\n }\n\n public void execute()\n {\n\tFileDialog fd = new FileDialog(new Frame(),\n\t\t\t(type == Action.EXPORT) ? \"Save File\" :\n\t\t\t\"Open File\",\n\t\t\t(type == Action.EXPORT) ? FileDialog.SAVE :\n\t\t\tFileDialog.LOAD );\n\tfd.setDirectory(directory);\n\tfd.setVisible(true);\n\tString file = fd.getFile();\n\tString dir = fd.getDirectory();\n\tif ( dir != null )\n\t directory = dir;\n\tif ( file == null )\n\t return;\n\tSystem.err.println(dir + File.separator + file);\n\tif ( type == Action.EXPORT )\n\t{\n\t try\n\t {\n\t\twriteFile(dir + file);\n\t }\n\t catch (Exception e)\n\t {\n\t\te.printStackTrace();\n\t }\n\t}\n\telse\n\t{\n\t try\n\t {\n\t\tString dump = readFile(dir + file);\n\t\tcircuitDump = dump;\n\t\tcframe.readSetup(circuitDump);\n\t }\n\t catch (Exception e)\n\t {\n\t\te.printStackTrace();\n\t }\n\t}\n }\n\n private static String readFile(String path)\n throws IOException, FileNotFoundException\n {\n\tFileInputStream stream = null;\n\ttry\n\t{\n\t stream = new FileInputStream(new File(path));\n\t FileChannel fc = stream.getChannel();\n\t MappedByteBuffer bb = fc.map(FileChannel.MapMode.READ_ONLY,\n\t\t\t\t\t 0, fc.size());\n\t return Charset.forName(\"UTF-8\").decode(bb).toString();\n\t}\n\tfinally\n\t{\n\t stream.close();\n\t}\n }\n\n private static void writeFile(String path)\n throws IOException, FileNotFoundException\n {\n\tFileOutputStream stream = null;\n\ttry\n\t{\n\t stream = new FileOutputStream(new File(path));\n\t FileChannel fc = stream.getChannel();\n\t ByteBuffer bb = Charset.forName(\"UTF-8\").encode(circuitDump);\n\t fc.write(bb);\n\t}\n\tfinally\n\t{\n\t stream.close();\n\t}\n }\n}\n" }, { "path": "src/Inductor.java", "content": "class Inductor {\n public static final int FLAG_BACK_EULER = 2;\n int nodes[];\n int flags;\n CirSim sim;\n \n double inductance;\n double compResistance, current;\n double curSourceValue;\n Inductor(CirSim s) {\n\tsim = s;\n\tnodes = new int[2];\n }\n void setup(double ic, double cr, int f) {\n\tinductance = ic;\n\tcurrent = cr;\n\tflags = f;\n }\n boolean isTrapezoidal() { return (flags & FLAG_BACK_EULER) == 0; }\n void reset() {\n\tcurrent = 0;\n }\n void stamp(int n0, int n1) {\n\t// inductor companion model using trapezoidal or backward euler\n\t// approximations (Norton equivalent) consists of a current\n\t// source in parallel with a resistor. Trapezoidal is more\n\t// accurate than backward euler but can cause oscillatory behavior.\n\t// The oscillation is a real problem in circuits with switches.\n\tnodes[0] = n0;\n\tnodes[1] = n1;\n\tif (isTrapezoidal())\n\t compResistance = 2*inductance/sim.timeStep;\n\telse // backward euler\n\t compResistance = inductance/sim.timeStep;\n\tsim.stampResistor(nodes[0], nodes[1], compResistance);\n\tsim.stampRightSide(nodes[0]);\n\tsim.stampRightSide(nodes[1]);\n }\n boolean nonLinear() { return false; }\n\n void startIteration(double voltdiff) {\n\tif (isTrapezoidal())\n\t curSourceValue = voltdiff/compResistance+current;\n\telse // backward euler\n\t curSourceValue = current;\n }\n \n double calculateCurrent(double voltdiff) {\n\t// we check compResistance because this might get called\n\t// before stamp(), which sets compResistance, causing\n\t// infinite current\n\tif (compResistance > 0)\n\t current = voltdiff/compResistance + curSourceValue;\n\treturn current;\n }\n void doStep(double voltdiff) {\n\tsim.stampCurrentSource(nodes[0], nodes[1], curSourceValue);\n }\n}\n" }, { "path": "src/InductorElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class InductorElm extends CircuitElm {\n\tInductor ind;\n\tdouble inductance;\n\tpublic InductorElm(int xx, int yy) {\n\t super(xx, yy);\n\t ind = new Inductor(sim);\n\t inductance = 1;\n\t ind.setup(inductance, current, flags);\n\t}\n\tpublic InductorElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t ind = new Inductor(sim);\n\t inductance = new Double(st.nextToken()).doubleValue();\n\t current = new Double(st.nextToken()).doubleValue();\n\t ind.setup(inductance, current, flags);\n\t}\n\tint getDumpType() { return 'l'; }\n\tString dump() {\n\t return super.dump() + \" \" + inductance + \" \" + current;\n\t}\n\tvoid setPoints() {\n\t super.setPoints();\n\t calcLeads(32);\n\t}\n\tvoid draw(Graphics g) {\n\t double v1 = volts[0];\n\t double v2 = volts[1];\n\t int i;\n\t int hs = 8;\n\t setBbox(point1, point2, hs);\n\t draw2Leads(g);\n\t setPowerColor(g, false);\n\t drawCoil(g, 8, lead1, lead2, v1, v2);\n\t if (sim.showValuesCheckItem.getState()) {\n\t\tString s = getShortUnitText(inductance, \"H\");\n\t\tdrawValues(g, s, hs);\n\t }\n\t doDots(g);\n\t drawPosts(g);\n\t}\n\tvoid reset() {\n\t current = volts[0] = volts[1] = curcount = 0;\n\t ind.reset();\n\t}\n\tvoid stamp() { ind.stamp(nodes[0], nodes[1]); }\n\tvoid startIteration() {\n\t ind.startIteration(volts[0]-volts[1]);\n\t}\n\tboolean nonLinear() { return ind.nonLinear(); }\n\tvoid calculateCurrent() {\n\t double voltdiff = volts[0]-volts[1];\n\t current = ind.calculateCurrent(voltdiff);\n\t}\n\tvoid doStep() {\n\t double voltdiff = volts[0]-volts[1];\n\t ind.doStep(voltdiff);\n\t}\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"inductor\";\n\t getBasicInfo(arr);\n\t arr[3] = \"L = \" + getUnitText(inductance, \"H\");\n\t arr[4] = \"P = \" + getUnitText(getPower(), \"W\");\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"Inductance (H)\", inductance, 0, 0);\n\t if (n == 1) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Trapezoidal Approximation\",\n\t\t\t\t\t ind.isTrapezoidal());\n\t\treturn ei;\n\t }\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0)\n\t\tinductance = ei.value;\n\t if (n == 1) {\n\t\tif (ei.checkbox.getState())\n\t\t flags &= ~Inductor.FLAG_BACK_EULER;\n\t\telse\n\t\t flags |= Inductor.FLAG_BACK_EULER;\n\t }\n\t ind.setup(inductance, current, flags);\n\t}\n }\n" }, { "path": "src/InverterElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class InverterElm extends CircuitElm {\n\tdouble slewRate; // V/ns\n\tpublic InverterElm(int xx, int yy) {\n\t super(xx, yy);\n\t noDiagonal = true;\n\t slewRate = .5;\n\t}\n\tpublic InverterElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t noDiagonal = true;\n\t try {\n\t\tslewRate = new Double (st.nextToken()).doubleValue();\n\t } catch (Exception e) {\n\t\tslewRate = .5;\n\t }\n\t}\n\tString dump() {\n\t return super.dump() + \" \" + slewRate;\n\t}\n\t\n\tint getDumpType() { return 'I'; }\n\tvoid draw(Graphics g) {\n\t drawPosts(g);\n\t draw2Leads(g);\n\t g.setColor(needsHighlight() ? selectColor : lightGrayColor);\n\t drawThickPolygon(g, gatePoly);\n\t drawThickCircle(g, pcircle.x, pcircle.y, 3);\n\t curcount = updateDotCount(current, curcount);\n\t drawDots(g, lead2, point2, curcount);\n\t}\n\tPolygon gatePoly;\n\tPoint pcircle;\n\tvoid setPoints() {\n\t super.setPoints();\n\t int hs = 16;\n\t int ww = 16;\n\t if (ww > dn/2)\n\t\tww = (int) (dn/2);\n\t lead1 = interpPoint(point1, point2, .5-ww/dn);\n\t lead2 = interpPoint(point1, point2, .5+(ww+2)/dn);\n\t pcircle = interpPoint(point1, point2, .5+(ww-2)/dn);\n\t Point triPoints[] = newPointArray(3);\n\t interpPoint2(lead1, lead2, triPoints[0], triPoints[1], 0, hs);\n\t triPoints[2] = interpPoint(point1, point2, .5+(ww-5)/dn);\n\t gatePoly = createPolygon(triPoints);\n\t setBbox(point1, point2, hs);\n\t}\n\tint getVoltageSourceCount() { return 1; }\n\tvoid stamp() {\n\t sim.stampVoltageSource(0, nodes[1], voltSource);\n\t}\n\tvoid doStep() {\n\t double v0 = volts[1];\n\t double out = volts[0] > 2.5 ? 0 : 5;\n\t double maxStep = slewRate * sim.timeStep * 1e9;\n\t out = Math.max(Math.min(v0+maxStep, out), v0-maxStep);\n\t sim.updateVoltageSource(0, nodes[1], voltSource, out);\n\t}\n\tdouble getVoltageDiff() { return volts[0]; }\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"inverter\";\n\t arr[1] = \"Vi = \" + getVoltageText(volts[0]);\n\t arr[2] = \"Vo = \" + getVoltageText(volts[1]);\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"Slew Rate (V/ns)\", slewRate, 0, 0);\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t slewRate = ei.value;\n\t}\n\t// there is no current path through the inverter input, but there\n\t// is an indirect path through the output to ground.\n\tboolean getConnection(int n1, int n2) { return false; }\n\tboolean hasGroundConnection(int n1) {\n\t return (n1 == 1);\n\t}\n\tint getShortcut() { return '1'; }\n }\n" }, { "path": "src/JKFlipFlopElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class JKFlipFlopElm extends ChipElm {\n\tpublic JKFlipFlopElm(int xx, int yy) { super(xx, yy); }\n\tpublic JKFlipFlopElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t pins[4].value = !pins[3].value;\n\t}\n\tString getChipName() { return \"JK flip-flop\"; }\n\tvoid setupPins() {\n\t sizeX = 2;\n\t sizeY = 3;\n\t pins = new Pin[5];\n\t pins[0] = new Pin(0, SIDE_W, \"J\");\n\t pins[1] = new Pin(1, SIDE_W, \"\");\n\t pins[1].clock = true;\n\t pins[1].bubble = true;\n\t pins[2] = new Pin(2, SIDE_W, \"K\");\n\t pins[3] = new Pin(0, SIDE_E, \"Q\");\n\t pins[3].output = pins[3].state = true;\n\t pins[4] = new Pin(2, SIDE_E, \"Q\");\n\t pins[4].output = true;\n\t pins[4].lineOver = true;\n\t}\n\tint getPostCount() { return 5; }\n\tint getVoltageSourceCount() { return 2; }\n\tvoid execute() {\n\t if (!pins[1].value && lastClock) {\n\t\tboolean q = pins[3].value;\n\t\tif (pins[0].value) {\n\t\t if (pins[2].value)\n\t\t\tq = !q;\n\t\t else\n\t\t\tq = true;\n\t\t} else if (pins[2].value)\n\t\t q = false;\n\t\tpins[3].value = q;\n\t\tpins[4].value = !q;\n\t }\n\t lastClock = pins[1].value;\n\t}\n\tint getDumpType() { return 156; }\n }\n" }, { "path": "src/JfetElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class JfetElm extends MosfetElm {\n\tJfetElm(int xx, int yy, boolean pnpflag) {\n\t super(xx, yy, pnpflag);\n\t noDiagonal = true;\n\t}\n\tpublic JfetElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t noDiagonal = true;\n\t}\n\t\n\tPolygon gatePoly;\n\tPolygon arrowPoly;\n\tPoint gatePt;\n\n\tvoid draw(Graphics g) {\n\t setBbox(point1, point2, hs);\n\t setVoltageColor(g, volts[1]);\n\t drawThickLine(g, src[0], src[1]);\n\t drawThickLine(g, src[1], src[2]);\n\t setVoltageColor(g, volts[2]);\n\t drawThickLine(g, drn[0], drn[1]);\n\t drawThickLine(g, drn[1], drn[2]);\n\t setVoltageColor(g, volts[0]);\n\t drawThickLine(g, point1, gatePt);\n\t g.fillPolygon(arrowPoly);\n\t setPowerColor(g, true);\n\t g.fillPolygon(gatePoly);\n\t curcount = updateDotCount(-ids, curcount);\n\t if (curcount != 0) {\n\t\tdrawDots(g, src[0], src[1], curcount);\n\t\tdrawDots(g, src[1], src[2], curcount+8);\n\t\tdrawDots(g, drn[0], drn[1], -curcount);\n\t\tdrawDots(g, drn[1], drn[2], -(curcount+8));\n\t }\n\t drawPosts(g);\n\t}\n\tvoid setPoints() {\n\t super.setPoints();\n\n\t // find the coordinates of the various points we need to draw\n\t // the JFET.\n\t int hs2 = hs*dsign;\n\t src = newPointArray(3);\n\t drn = newPointArray(3);\n\t interpPoint2(point1, point2, src[0], drn[0], 1, hs2);\n\t interpPoint2(point1, point2, src[1], drn[1], 1, hs2/2);\n\t interpPoint2(point1, point2, src[2], drn[2], 1-10/dn, hs2/2);\n\n\t gatePt = interpPoint(point1, point2, 1-14/dn);\n\n\t Point ra[] = newPointArray(4);\n\t interpPoint2(point1, point2, ra[0], ra[1], 1-13/dn, hs);\n\t interpPoint2(point1, point2, ra[2], ra[3], 1-10/dn, hs);\n\t gatePoly = createPolygon(ra[0], ra[1], ra[3], ra[2]);\n\t if (pnp == -1) {\n\t\tPoint x = interpPoint(gatePt, point1, 18/dn);\n\t\tarrowPoly = calcArrow(gatePt, x, 8, 3);\n\t } else\n\t\tarrowPoly = calcArrow(point1, gatePt, 8, 3);\n\t}\n\tint getDumpType() { return 'j'; }\n\t// these values are taken from Hayes+Horowitz p155\n\tdouble getDefaultThreshold() { return -4; }\n\tdouble getBeta() { return .00125; }\n\tvoid getInfo(String arr[]) {\n\t getFetInfo(arr, \"JFET\");\n\t}\n }\n" }, { "path": "src/LEDElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class LEDElm extends DiodeElm {\n\tdouble colorR, colorG, colorB;\n\tpublic LEDElm(int xx, int yy) {\n\t super(xx, yy);\n\t fwdrop = 2.1024259;\n\t setup();\n\t colorR = 1; colorG = colorB = 0;\n\t}\n\tpublic LEDElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t if ((f & FLAG_FWDROP) == 0)\n\t\tfwdrop = 2.1024259;\n\t setup();\n\t colorR = new Double(st.nextToken()).doubleValue();\n\t colorG = new Double(st.nextToken()).doubleValue();\n\t colorB = new Double(st.nextToken()).doubleValue();\n\t}\n\tint getDumpType() { return 162; }\n\tString dump() {\n\t return super.dump() + \" \" + colorR + \" \" + colorG + \" \" + colorB;\n\t}\n\n\tPoint ledLead1, ledLead2, ledCenter;\n\tvoid setPoints() {\n\t super.setPoints();\n\t int cr = 12;\n\t ledLead1 = interpPoint(point1, point2, .5-cr/dn);\n\t ledLead2 = interpPoint(point1, point2, .5+cr/dn);\n\t ledCenter = interpPoint(point1, point2, .5);\n\t}\n\t\n\tvoid draw(Graphics g) {\n\t if (needsHighlight() || this == sim.dragElm) {\n\t\tsuper.draw(g);\n\t\treturn;\n\t }\n\t setVoltageColor(g, volts[0]);\n\t drawThickLine(g, point1, ledLead1);\n\t setVoltageColor(g, volts[1]);\n\t drawThickLine(g, ledLead2, point2);\n\t \n\t g.setColor(Color.gray);\n\t int cr = 12;\n\t drawThickCircle(g, ledCenter.x, ledCenter.y, cr);\n\t cr -= 4;\n\t double w = 255*current/.01;\n\t if (w > 255)\n\t\tw = 255;\n\t Color cc = new Color((int) (colorR*w), (int) (colorG*w),\n\t\t\t\t (int) (colorB*w));\n\t g.setColor(cc);\n\t g.fillOval(ledCenter.x-cr, ledCenter.y-cr, cr*2, cr*2);\n\t setBbox(point1, point2, cr);\n\t updateDotCount();\n\t drawDots(g, point1, ledLead1, curcount);\n\t drawDots(g, point2, ledLead2, -curcount);\n\t drawPosts(g);\n\t}\n\n\tvoid getInfo(String arr[]) {\n\t super.getInfo(arr);\n\t arr[0] = \"LED\";\n\t}\n\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn super.getEditInfo(n);\n\t if (n == 1)\n\t\treturn new EditInfo(\"Red Value (0-1)\", colorR, 0, 1).\n\t\t setDimensionless();\n\t if (n == 2)\n\t\treturn new EditInfo(\"Green Value (0-1)\", colorG, 0, 1).\n\t\t setDimensionless();\n\t if (n == 3)\n\t\treturn new EditInfo(\"Blue Value (0-1)\", colorB, 0, 1).\n\t\t setDimensionless();\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0)\n\t\tsuper.setEditValue(0, ei);\n\t if (n == 1)\n\t\tcolorR = ei.value;\n\t if (n == 2)\n\t\tcolorG = ei.value;\n\t if (n == 3)\n\t\tcolorB = ei.value;\n\t}\n\tint getShortcut() { return 'l'; }\n }\n" }, { "path": "src/LampElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class LampElm extends CircuitElm {\n\tdouble resistance;\n\tfinal double roomTemp = 300;\n\tdouble temp, nom_pow, nom_v, warmTime, coolTime;\n\tpublic LampElm(int xx, int yy) {\n\t super(xx, yy);\n\t temp = roomTemp;\n\t nom_pow = 100;\n\t nom_v = 120;\n\t warmTime = .4;\n\t coolTime = .4;\n\t}\n\tpublic LampElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t temp = new Double(st.nextToken()).doubleValue();\n\t nom_pow = new Double(st.nextToken()).doubleValue();\n\t nom_v = new Double(st.nextToken()).doubleValue();\n\t warmTime = new Double(st.nextToken()).doubleValue();\n\t coolTime = new Double(st.nextToken()).doubleValue();\n\t}\n\tString dump() {\n\t return super.dump() + \" \" + temp + \" \" + nom_pow + \" \" + nom_v +\n\t\t\" \" + warmTime + \" \" + coolTime;\n\t}\n\tint getDumpType() { return 181; }\n\n\tPoint bulbLead[], filament[], bulb;\n\tint bulbR;\n\n\tvoid reset() {\n\t super.reset();\n\t temp = roomTemp;\n\t}\n\tfinal int filament_len = 24;\n\tvoid setPoints() {\n\t super.setPoints();\n\t int llen = 16;\n\t calcLeads(llen);\n\t bulbLead = newPointArray(2);\n\t filament = newPointArray(2);\n\t bulbR = 20;\n\t filament[0] = interpPoint(lead1, lead2, 0, filament_len);\n\t filament[1] = interpPoint(lead1, lead2, 1, filament_len);\n\t double br = filament_len-Math.sqrt(bulbR*bulbR-llen*llen);\n\t bulbLead[0] = interpPoint(lead1, lead2, 0, br);\n\t bulbLead[1] = interpPoint(lead1, lead2, 1, br);\n\t bulb = interpPoint(filament[0], filament[1], .5);\n\t}\n\n\tColor getTempColor() {\n\t if (temp < 1200) {\n\t\tint x = (int) (255*(temp-800)/400);\n\t\tif (x < 0)\n\t\t x = 0;\n\t\treturn new Color(x, 0, 0);\n\t }\n\t if (temp < 1700) {\n\t\tint x = (int) (255*(temp-1200)/500);\n\t\tif (x < 0)\n\t\t x = 0;\n\t\treturn new Color(255, x, 0);\n\t }\n\t if (temp < 2400) {\n\t\tint x = (int) (255*(temp-1700)/700);\n\t\tif (x < 0)\n\t\t x = 0;\n\t\treturn new Color(255, 255, x);\n\t }\n\t return Color.white;\n\t}\n\t\n\tvoid draw(Graphics g) {\n\t double v1 = volts[0];\n\t double v2 = volts[1];\n\t setBbox(point1, point2, 4);\n\t adjustBbox(bulb.x-bulbR, bulb.y-bulbR,\n\t\t bulb.x+bulbR, bulb.y+bulbR);\n\t // adjustbbox\n\t draw2Leads(g);\n\t setPowerColor(g, true);\n\t g.setColor(getTempColor());\n\t g.fillOval(bulb.x-bulbR, bulb.y-bulbR, bulbR*2, bulbR*2);\n\t g.setColor(Color.white);\n\t drawThickCircle(g, bulb.x, bulb.y, bulbR);\n\t setVoltageColor(g, v1);\n\t drawThickLine(g, lead1, filament[0]);\n\t setVoltageColor(g, v2);\n\t drawThickLine(g, lead2, filament[1]);\n\t setVoltageColor(g, (v1+v2)*.5);\n\t drawThickLine(g, filament[0], filament[1]);\n\t updateDotCount();\n\t if (sim.dragElm != this) {\n\t\tdrawDots(g, point1, lead1, curcount);\n\t\tdouble cc = curcount+(dn-16)/2;\n\t\tdrawDots(g, lead1, filament[0], cc);\n\t\tcc += filament_len;\n\t\tdrawDots(g, filament[0], filament[1], cc);\n\t\tcc += 16;\n\t\tdrawDots(g, filament[1], lead2, cc);\n\t\tcc += filament_len;\n\t\tdrawDots(g, lead2, point2, curcount);\n\t }\n\t drawPosts(g);\n\t}\n\n\tvoid calculateCurrent() {\n\t current = (volts[0]-volts[1])/resistance;\n\t //System.out.print(this + \" res current set to \" + current + \"\\n\");\n\t}\n\tvoid stamp() {\n\t sim.stampNonLinear(nodes[0]);\n\t sim.stampNonLinear(nodes[1]);\n\t}\n\tboolean nonLinear() { return true; }\n\tvoid startIteration() {\n\t // based on http://www.intusoft.com/nlpdf/nl11.pdf\n\t double nom_r = nom_v*nom_v/nom_pow;\n\t // this formula doesn't work for values over 5390\n\t double tp = (temp > 5390) ? 5390 : temp;\n\t resistance = nom_r*(1.26104 -\n\t\t\t\t4.90662*Math.sqrt(17.1839/tp - 0.00318794) -\n\t\t\t\t7.8569/(tp - 187.56));\n\t double cap = 1.57e-4*nom_pow;\n\t double capw = cap * warmTime/.4;\n\t double capc = cap * coolTime/.4;\n\t //System.out.println(nom_r + \" \" + (resistance/nom_r));\n\t temp += getPower()*sim.timeStep/capw;\n\t double cr = 2600/nom_pow;\n\t temp -= sim.timeStep*(temp-roomTemp)/(capc*cr);\n\t //System.out.println(capw + \" \" + capc + \" \" + temp + \" \" +resistance);\n\t}\n\tvoid doStep() {\n\t sim.stampResistor(nodes[0], nodes[1], resistance);\n\t}\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"lamp\";\n\t getBasicInfo(arr);\n\t arr[3] = \"R = \" + getUnitText(resistance, sim.ohmString);\n\t arr[4] = \"P = \" + getUnitText(getPower(), \"W\");\n\t arr[5] = \"T = \" + ((int) temp) + \" K\";\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t // ohmString doesn't work here on linux\n\t if (n == 0)\n\t\treturn new EditInfo(\"Nominal Power\", nom_pow, 0, 0);\n\t if (n == 1)\n\t\treturn new EditInfo(\"Nominal Voltage\", nom_v, 0, 0);\n\t if (n == 2)\n\t\treturn new EditInfo(\"Warmup Time (s)\", warmTime, 0, 0);\n\t if (n == 3)\n\t\treturn new EditInfo(\"Cooldown Time (s)\", coolTime, 0, 0);\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0 && ei.value > 0)\n\t\tnom_pow = ei.value;\n\t if (n == 1 && ei.value > 0)\n\t\tnom_v = ei.value;\n\t if (n == 2 && ei.value > 0)\n\t\twarmTime = ei.value;\n\t if (n == 3 && ei.value > 0)\n\t\tcoolTime = ei.value;\n\t}\n }\n" }, { "path": "src/LatchElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass LatchElm extends ChipElm {\n public LatchElm(int xx, int yy) { super(xx, yy); }\n public LatchElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f, st);\n }\n String getChipName() { return \"Latch\"; }\n boolean needsBits() { return true; }\n int loadPin;\n void setupPins() {\n\tsizeX = 2;\n\tsizeY = bits+1;\n\tpins = new Pin[getPostCount()];\n\tint i;\n\tfor (i = 0; i != bits; i++)\n\t pins[i] = new Pin(bits-1-i, SIDE_W, \"I\" + i);\n\tfor (i = 0; i != bits; i++) {\n\t pins[i+bits] = new Pin(bits-1-i, SIDE_E, \"O\");\n\t pins[i+bits].output = true;\n\t}\n\tpins[loadPin = bits*2] = new Pin(bits, SIDE_W, \"Ld\");\n\tallocNodes();\n }\n boolean lastLoad = false;\n void execute() {\n\tint i;\n\tif (pins[loadPin].value && !lastLoad)\n\t for (i = 0; i != bits; i++)\n\t\tpins[i+bits].value = pins[i].value;\n\tlastLoad = pins[loadPin].value;\n }\n int getVoltageSourceCount() { return bits; }\n int getPostCount() { return bits*2+1; }\n int getDumpType() { return 168; }\n}\n \n" }, { "path": "src/LogicInputElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class LogicInputElm extends SwitchElm {\n\tfinal int FLAG_TERNARY = 1;\n\tfinal int FLAG_NUMERIC = 2;\n\tdouble hiV, loV;\n\tPolygon arrowPoly;\n\tpublic LogicInputElm(int xx, int yy) {\n\t super(xx, yy, false);\n\t hiV = 5;\n\t loV = 0;\n\t flags = 2; // hausen: default to numeric\n\t}\n\tpublic LogicInputElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t try {\n\t\thiV = new Double(st.nextToken()).doubleValue();\n\t\tloV = new Double(st.nextToken()).doubleValue();\n\t } catch (Exception e) {\n\t\thiV = 5;\n\t\tloV = 0;\n\t }\n\t if (isTernary())\n\t\tposCount = 3;\n\t}\n\tboolean isTernary() { return (flags & FLAG_TERNARY) != 0; }\n\tboolean isNumeric() { return (flags & (FLAG_TERNARY|FLAG_NUMERIC)) != 0; }\n\tint getDumpType() { return 'L'; }\n\tString dump() {\n\t return super.dump() + \" \" + hiV + \" \" + loV;\n\t}\n\tint getPostCount() { return 1; }\n\tvoid setPoints() {\n\t super.setPoints();\n\t lead1 = interpPoint(point1, point2, 1-12/dn);\n\t arrowPoly = calcArrowReverse(point1, lead1, 8, 8);\n\t}\n\tvoid draw(Graphics g) {\n\t Font f = new Font(\"SansSerif\", Font.BOLD, 20);\n\t g.setFont(f);\n\t g.setColor(needsHighlight() ? selectColor : whiteColor);\n\t String s = position == 0 ? \"L\" : \"H\";\n\t if (isNumeric())\n\t\ts = \"\" + position;\n\t setBbox(point1, lead1, 0);\n\t drawCenteredText(g, s, x2, y2, true);\n\t setVoltageColor(g, volts[0]);\n\t drawThickLine(g, point1, lead1);\n\t g.fillPolygon(arrowPoly);\n\t updateDotCount();\n\t drawDots(g, point1, lead1, curcount);\n\t drawPosts(g);\n\t}\n\tvoid setCurrent(int vs, double c) { current = -c; }\n\tvoid stamp() {\n\t double v = (position == 0) ? loV : hiV;\n\t if (isTernary())\n\t\tv = position * 2.5;\n\t sim.stampVoltageSource(0, nodes[0], voltSource, v);\n\t}\n\tint getVoltageSourceCount() { return 1; }\n\tdouble getVoltageDiff() { return volts[0]; }\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"logic input\";\n\t arr[1] = (position == 0) ? \"low\" : \"high\";\n\t if (isNumeric())\n\t\tarr[1] = \"\" + position;\n\t arr[1] += \" (\" + getVoltageText(volts[0]) + \")\";\n\t arr[2] = \"I = \" + getCurrentText(getCurrent());\n\t}\n\tboolean hasGroundConnection(int n1) { return true; }\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, 0, 0);\n\t\tei.checkbox = new Checkbox(\"Momentary Switch\", momentary);\n\t\treturn ei;\n\t }\n\t if (n == 1)\n\t\treturn new EditInfo(\"High Voltage\", hiV, 10, -10);\n\t if (n == 2)\n\t\treturn new EditInfo(\"Low Voltage\", loV, 10, -10);\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0)\n\t\tmomentary = ei.checkbox.getState();\n\t if (n == 1)\n\t\thiV = ei.value;\n\t if (n == 2)\n\t\tloV = ei.value;\n\t}\n\tint getShortcut() { return 'i'; }\n }\n" }, { "path": "src/LogicOutputElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class LogicOutputElm extends CircuitElm {\n\tfinal int FLAG_TERNARY = 1;\n\tfinal int FLAG_NUMERIC = 2;\n\tfinal int FLAG_PULLDOWN = 4;\n\tdouble threshold;\n\tString value;\n\tPolygon arrowPoly;\n\tpublic LogicOutputElm(int xx, int yy) {\n\t super(xx, yy);\n\t threshold = 3; // hausen: default to 3\n\t flags = 6; // hausen: default to numeric and pulldown\n\t}\n\tpublic LogicOutputElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t try {\n\t\tthreshold = new Double(st.nextToken()).doubleValue();\n\t } catch (Exception e) {\n\t\tthreshold = 3;\n\t }\n\t}\n\tString dump() {\n\t return super.dump() + \" \" + threshold;\n\t}\n\tint getDumpType() { return 'M'; }\n\tint getPostCount() { return 1; }\n\tboolean isTernary() { return (flags & FLAG_TERNARY) != 0; }\n\t//boolean isNumeric() { return (flags & (FLAG_TERNARY|FLAG_NUMERIC)) != 0; }\n\tboolean isNumeric() { return true; } // hausen: always numeric\n\tboolean needsPullDown() { return (flags & FLAG_PULLDOWN) != 0; }\n\tvoid setPoints() {\n\t super.setPoints();\n\t lead1 = interpPoint(point1, point2, 1-12/dn);\n\t arrowPoly = calcArrow(point1, lead1, 8, 8);\n\t}\n\tvoid draw(Graphics g) {\n\t Font f = new Font(\"SansSerif\", Font.BOLD, 20);\n\t g.setFont(f);\n\t //g.setColor(needsHighlight() ? selectColor : lightGrayColor);\n\t g.setColor(lightGrayColor);\n\t String s = (volts[0] < threshold) ? \"L\" : \"H\";\n\t if (isTernary()) {\n\t\tif (volts[0] > 3.75)\n\t\t s = \"2\";\n\t\telse if (volts[0] > 1.25)\n\t\t s = \"1\";\n\t\telse\n\t\t s = \"0\";\n\t } else if (isNumeric())\n\t\ts = (volts[0] < threshold) ? \"0\" : \"1\";\n\t value = s;\n\t setBbox(point1, lead1, 0);\n\t drawCenteredText(g, s, x2, y2, true);\n\t setVoltageColor(g, volts[0]);\n\t drawThickLine(g, point1, lead1);\n\t g.fillPolygon(arrowPoly);\n\t drawPosts(g);\n\t}\n\tvoid stamp() {\n\t if (needsPullDown())\n\t\tsim.stampResistor(nodes[0], 0, 1e6);\n\t}\n\tdouble getVoltageDiff() { return volts[0]; }\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"logic output\";\n\t arr[1] = (volts[0] < threshold) ? \"low\" : \"high\";\n\t if (isNumeric())\n\t\tarr[1] = value;\n\t arr[2] = \"V = \" + getVoltageText(volts[0]);\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"Threshold\", threshold, 10, -10);\n\t if (n == 1) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Current Required\", needsPullDown());\n\t\treturn ei;\n\t }\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0)\n\t\tthreshold = ei.value;\n\t if (n == 1) {\n\t\tif (ei.checkbox.getState())\n\t\t flags = FLAG_PULLDOWN;\n\t\telse\n\t\t flags &= ~FLAG_PULLDOWN;\n\t }\n\t}\n\tint getShortcut() { return 'o'; }\n }\n" }, { "path": "src/Makefile", "content": "PLUGINJAR=/usr/lib/jvm/java-6-sun-1.6.0.26/jre/lib/plugin.jar\n#PLUGINJAR=/usr/share/icedtea-web/plugin.jar\n\nall:\n\tjavac -classpath $(PLUGINJAR):. *.java\n\njar: circuit.jar\n\nsrc:\n\tcd .. && zip -r circuit-src.zip src/Makefile src/*.java src/*.txt src/circuits/\n\nrun: all\n\tjava Circuit\n\ncircuit.jar: all\n\tjar cfm circuit.jar Manifest.txt *.class *.txt circuits/\n\nclean:\n\trm -f *.class circuit.jar\n" }, { "path": "src/Manifest.txt", "content": "Main-Class: Circuit\n" }, { "path": "src/MemristorElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass MemristorElm extends CircuitElm {\n double r_on, r_off, dopeWidth, totalWidth, mobility, resistance;\n public MemristorElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tr_on = 100;\n\tr_off = 160*r_on;\n\tdopeWidth = 0;\n\ttotalWidth = 10e-9; // meters\n\tmobility = 1e-10; // m^2/sV\n\tresistance = 100;\n }\n public MemristorElm(int xa, int ya, int xb, int yb, int f,\n\t\t\tStringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tr_on = new Double(st.nextToken()).doubleValue();\n\tr_off = new Double(st.nextToken()).doubleValue();\n\tdopeWidth = new Double(st.nextToken()).doubleValue();\n\ttotalWidth = new Double(st.nextToken()).doubleValue();\n\tmobility = new Double(st.nextToken()).doubleValue();\n\tresistance = 100;\n }\n int getDumpType() { return 'm'; }\n String dump() {\n\treturn super.dump() + \" \" + r_on + \" \" + r_off + \" \" + dopeWidth + \" \" +\n\t totalWidth + \" \" + mobility;\n }\n\n Point ps3, ps4;\n void setPoints() {\n\tsuper.setPoints();\n\tcalcLeads(32);\n\tps3 = new Point();\n\tps4 = new Point();\n }\n\t\n void draw(Graphics g) {\n\tint segments = 6;\n\tint i;\n\tint ox = 0;\n\tdouble v1 = volts[0];\n\tdouble v2 = volts[1];\n\tint hs = 2+(int) (8*(1-dopeWidth/totalWidth));\n\tsetBbox(point1, point2, hs);\n\tdraw2Leads(g);\n\tsetPowerColor(g, true);\n\tdouble segf = 1./segments;\n\n\t// draw zigzag\n\tfor (i = 0; i <= segments; i++) {\n\t int nx = (i & 1) == 0 ? 1 : -1;\n\t if (i == segments)\n\t\tnx = 0;\n\t double v = v1+(v2-v1)*i/segments;\n\t setVoltageColor(g, v);\n\t interpPoint(lead1, lead2, ps1, i*segf, hs*ox);\n\t interpPoint(lead1, lead2, ps2, i*segf, hs*nx);\n\t drawThickLine(g, ps1, ps2);\n\t if (i == segments)\n\t\tbreak;\n\t interpPoint(lead1, lead2, ps1, (i+1)*segf, hs*nx);\n\t drawThickLine(g, ps1, ps2);\n\t ox = nx;\n\t}\n\t \n\tdoDots(g);\n\tdrawPosts(g);\n }\n \n boolean nonLinear() { return true; }\n void calculateCurrent() {\n\tcurrent = (volts[0]-volts[1])/resistance;\n }\n void reset() {\n\tdopeWidth = 0;\n }\n void startIteration() {\n\tdouble wd = dopeWidth/totalWidth;\n\tdopeWidth += sim.timeStep*mobility*r_on*current/totalWidth;\n\tif (dopeWidth < 0)\n\t dopeWidth = 0;\n\tif (dopeWidth > totalWidth)\n\t dopeWidth = totalWidth;\n\tresistance = r_on * wd + r_off * (1-wd);\n }\n void stamp() {\n\tsim.stampNonLinear(nodes[0]);\n\tsim.stampNonLinear(nodes[1]);\n }\n void doStep() {\n\tsim.stampResistor(nodes[0], nodes[1], resistance);\n }\n void getInfo(String arr[]) {\n\tarr[0] = \"memristor\";\n\tgetBasicInfo(arr);\n\tarr[3] = \"R = \" + getUnitText(resistance, sim.ohmString);\n\tarr[4] = \"P = \" + getUnitText(getPower(), \"W\");\n }\n double getScopeValue(int x) {\n\treturn (x == 2) ? resistance : (x == 1) ? getPower() : getVoltageDiff();\n }\n String getScopeUnits(int x) {\n\treturn (x == 2) ? sim.ohmString : (x == 1) ? \"W\" : \"V\";\n }\n public EditInfo getEditInfo(int n) {\n\tif (n == 0)\n\t return new EditInfo(\"Max Resistance (ohms)\", r_on, 0, 0);\n\tif (n == 1)\n\t return new EditInfo(\"Min Resistance (ohms)\", r_off, 0, 0);\n\tif (n == 2)\n\t return new EditInfo(\"Width of Doped Region (nm)\", dopeWidth*1e9, 0, 0);\n\tif (n == 3)\n\t return new EditInfo(\"Total Width (nm)\", totalWidth*1e9, 0, 0);\n\tif (n == 4)\n\t return new EditInfo(\"Mobility (um^2/(s*V))\", mobility*1e12, 0, 0);\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (n == 0)\n\t r_on = ei.value;\n\tif (n == 1)\n\t r_off = ei.value;\n\tif (n == 2)\n\t dopeWidth = ei.value*1e-9;\n\tif (n == 3)\n\t totalWidth = ei.value*1e-9;\n\tif (n == 4)\n\t mobility = ei.value*1e-12;\n }\n}\n\n" }, { "path": "src/MosfetElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class MosfetElm extends CircuitElm {\n\tint pnp;\n\tint FLAG_PNP = 1;\n\tint FLAG_SHOWVT = 2;\n\tint FLAG_DIGITAL = 4;\n\tdouble vt;\n\tMosfetElm(int xx, int yy, boolean pnpflag) {\n\t super(xx, yy);\n\t pnp = (pnpflag) ? -1 : 1;\n\t flags = (pnpflag) ? FLAG_PNP : 0;\n\t noDiagonal = true;\n\t vt = getDefaultThreshold();\n\t}\n\tpublic MosfetElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t pnp = ((f & FLAG_PNP) != 0) ? -1 : 1;\n\t noDiagonal = true;\n\t vt = getDefaultThreshold();\n\t try {\n\t\tvt = new Double(st.nextToken()).doubleValue();\n\t } catch (Exception e) {}\n\t}\n\tdouble getDefaultThreshold() { return 1.5; }\n\tdouble getBeta() { return .02; }\n\tboolean nonLinear() { return true; }\n\tboolean drawDigital() { return (flags & FLAG_DIGITAL) != 0; }\n\tvoid reset() {\n\t lastv1 = lastv2 = volts[0] = volts[1] = volts[2] = curcount = 0;\n\t}\n\tString dump() {\n\t return super.dump() + \" \" + vt;\n\t}\n\tint getDumpType() { return 'f'; }\n\tfinal int hs = 16;\n\t\n\tvoid draw(Graphics g) {\n\t setBbox(point1, point2, hs);\n\t setVoltageColor(g, volts[1]);\n\t drawThickLine(g, src[0], src[1]);\n\t setVoltageColor(g, volts[2]);\n\t drawThickLine(g, drn[0], drn[1]);\n\t int segments = 6;\n\t int i;\n\t setPowerColor(g, true);\n\t double segf = 1./segments;\n\t for (i = 0; i != segments; i++) {\n\t\tdouble v = volts[1]+(volts[2]-volts[1])*i/segments;\n\t\tsetVoltageColor(g, v);\n\t\tinterpPoint(src[1], drn[1], ps1, i*segf);\n\t\tinterpPoint(src[1], drn[1], ps2, (i+1)*segf);\n\t\tdrawThickLine(g, ps1, ps2);\n\t }\n\t setVoltageColor(g, volts[1]);\n\t drawThickLine(g, src[1], src[2]);\n\t setVoltageColor(g, volts[2]);\n\t drawThickLine(g, drn[1], drn[2]);\n\t if (!drawDigital()) {\n\t\tsetVoltageColor(g, pnp == 1 ? volts[1] : volts[2]);\n\t\tg.fillPolygon(arrowPoly);\n\t }\n\t if (sim.powerCheckItem.getState())\n\t\tg.setColor(Color.gray);\n\t setVoltageColor(g, volts[0]);\n\t drawThickLine(g, point1, gate[1]);\n\t drawThickLine(g, gate[0], gate[2]);\n\t if (drawDigital() && pnp == -1)\n\t\tdrawThickCircle(g, pcircle.x, pcircle.y, pcircler);\n\t if ((flags & FLAG_SHOWVT) != 0) {\n\t\tString s = \"\" + (vt*pnp);\n\t\tg.setColor(whiteColor);\n\t\tg.setFont(unitsFont);\n\t\tdrawCenteredText(g, s, x2+2, y2, false);\n\t }\n\t if ((needsHighlight() || sim.dragElm == this) && dy == 0) {\n\t\tg.setColor(Color.white);\n\t\tg.setFont(unitsFont);\n\t\tint ds = sign(dx);\n\t\tg.drawString(\"G\", gate[1].x-10*ds, gate[1].y-5);\n\t\tg.drawString(pnp == -1 ? \"D\" : \"S\", src[0].x-3+9*ds, src[0].y+4); // x+6 if ds=1, -12 if -1\n\t\tg.drawString(pnp == -1 ? \"S\" : \"D\", drn[0].x-3+9*ds, drn[0].y+4);\n\t }\t \n\t curcount = updateDotCount(-ids, curcount);\n\t drawDots(g, src[0], src[1], curcount);\n\t drawDots(g, src[1], drn[1], curcount);\n\t drawDots(g, drn[1], drn[0], curcount);\n\t drawPosts(g);\n\t}\n\tPoint getPost(int n) {\n\t return (n == 0) ? point1 : (n == 1) ? src[0] : drn[0];\n\t}\n\tdouble getCurrent() { return ids; }\n\tdouble getPower() { return ids*(volts[2]-volts[1]); }\n\tint getPostCount() { return 3; }\n\n\tint pcircler;\n\tPoint src[], drn[], gate[], pcircle;\n\tPolygon arrowPoly;\n\t\n\tvoid setPoints() {\n\t super.setPoints();\n\n\t // find the coordinates of the various points we need to draw\n\t // the MOSFET.\n\t int hs2 = hs*dsign;\n\t src = newPointArray(3);\n\t drn = newPointArray(3);\n\t interpPoint2(point1, point2, src[0], drn[0], 1, -hs2);\n\t interpPoint2(point1, point2, src[1], drn[1], 1-22/dn, -hs2);\n\t interpPoint2(point1, point2, src[2], drn[2], 1-22/dn, -hs2*4/3);\n\n\t gate = newPointArray(3);\n\t interpPoint2(point1, point2, gate[0], gate[2], 1-28/dn, hs2/2); // was 1-20/dn\n\t interpPoint(gate[0], gate[2], gate[1], .5);\n\n\t if (!drawDigital()) {\n\t\tif (pnp == 1)\n\t\t arrowPoly = calcArrow(src[1], src[0], 10, 4);\n\t\telse\n\t\t arrowPoly = calcArrow(drn[0], drn[1], 12, 5);\n\t } else if (pnp == -1) {\n\t\tinterpPoint(point1, point2, gate[1], 1-36/dn);\n\t\tint dist = (dsign < 0) ? 32 : 31;\n\t\tpcircle = interpPoint(point1, point2, 1-dist/dn);\n\t\tpcircler = 3;\n\t }\n\t}\n\n\tdouble lastv1, lastv2;\n\tdouble ids;\n\tint mode = 0;\n\tdouble gm = 0;\n\t\n\tvoid stamp() {\n\t sim.stampNonLinear(nodes[1]);\n\t sim.stampNonLinear(nodes[2]);\n\t}\n\tvoid doStep() {\n\t double vs[] = new double[3];\n\t vs[0] = volts[0];\n\t vs[1] = volts[1];\n\t vs[2] = volts[2];\n\t if (vs[1] > lastv1 + .5)\n\t\tvs[1] = lastv1 + .5;\n\t if (vs[1] < lastv1 - .5)\n\t\tvs[1] = lastv1 - .5;\n\t if (vs[2] > lastv2 + .5)\n\t\tvs[2] = lastv2 + .5;\n\t if (vs[2] < lastv2 - .5)\n\t\tvs[2] = lastv2 - .5;\n\t int source = 1;\n\t int drain = 2;\n\t if (pnp*vs[1] > pnp*vs[2]) {\n\t\tsource = 2;\n\t\tdrain = 1;\n\t }\n\t int gate = 0;\n\t double vgs = vs[gate ]-vs[source];\n\t double vds = vs[drain]-vs[source];\n\t if (Math.abs(lastv1-vs[1]) > .01 ||\n\t\tMath.abs(lastv2-vs[2]) > .01)\n\t\tsim.converged = false;\n\t lastv1 = vs[1];\n\t lastv2 = vs[2];\n\t double realvgs = vgs;\n\t double realvds = vds;\n\t vgs *= pnp;\n\t vds *= pnp;\n\t ids = 0;\n\t gm = 0;\n\t double Gds = 0;\n\t double beta = getBeta();\n\t if (vgs > .5 && this instanceof JfetElm) {\n\t\tsim.stop(\"JFET is reverse biased!\", this);\n\t\treturn;\n\t }\n\t if (vgs < vt) {\n\t\t// should be all zero, but that causes a singular matrix,\n\t\t// so instead we treat it as a large resistor\n\t\tGds = 1e-8;\n\t\tids = vds*Gds;\n\t\tmode = 0;\n\t } else if (vds < vgs-vt) {\n\t\t// linear\n\t\tids = beta*((vgs-vt)*vds - vds*vds*.5);\n\t\tgm = beta*vds;\n\t\tGds = beta*(vgs-vds-vt);\n\t\tmode = 1;\n\t } else {\n\t\t// saturation; Gds = 0\n\t\tgm = beta*(vgs-vt);\n\t\t// use very small Gds to avoid nonconvergence\n\t\tGds = 1e-8;\n\t\tids = .5*beta*(vgs-vt)*(vgs-vt) + (vds-(vgs-vt))*Gds;\n\t\tmode = 2;\n\t }\n\t double rs = -pnp*ids + Gds*realvds + gm*realvgs;\n\t //System.out.println(\"M \" + vds + \" \" + vgs + \" \" + ids + \" \" + gm + \" \"+ Gds + \" \" + volts[0] + \" \" + volts[1] + \" \" + volts[2] + \" \" + source + \" \" + rs + \" \" + this);\n\t sim.stampMatrix(nodes[drain], nodes[drain], Gds);\n\t sim.stampMatrix(nodes[drain], nodes[source], -Gds-gm); \n\t sim.stampMatrix(nodes[drain], nodes[gate], gm);\n\t \n\t sim.stampMatrix(nodes[source], nodes[drain], -Gds);\n\t sim.stampMatrix(nodes[source], nodes[source], Gds+gm); \n\t sim.stampMatrix(nodes[source], nodes[gate], -gm);\n\t \n\t sim.stampRightSide(nodes[drain], rs);\n\t sim.stampRightSide(nodes[source], -rs);\n\t if (source == 2 && pnp == 1 ||\n\t\tsource == 1 && pnp == -1)\n\t\tids = -ids;\n\t}\n\tvoid getFetInfo(String arr[], String n) {\n\t arr[0] = ((pnp == -1) ? \"p-\" : \"n-\") + n;\n\t arr[0] += \" (Vt = \" + getVoltageText(pnp*vt) + \")\";\n\t arr[1] = ((pnp == 1) ? \"Ids = \" : \"Isd = \") + getCurrentText(ids);\n\t arr[2] = \"Vgs = \" + getVoltageText(volts[0]-volts[pnp == -1 ? 2 : 1]);\n\t arr[3] = ((pnp == 1) ? \"Vds = \" : \"Vsd = \") + getVoltageText(volts[2]-volts[1]);\n\t arr[4] = (mode == 0) ? \"off\" :\n\t\t(mode == 1) ? \"linear\" : \"saturation\";\n\t arr[5] = \"gm = \" + getUnitText(gm, \"A/V\");\n\t}\n\tvoid getInfo(String arr[]) {\n\t getFetInfo(arr, \"MOSFET\");\n\t}\n\tboolean canViewInScope() { return true; }\n\tdouble getVoltageDiff() { return volts[2] - volts[1]; }\n\tboolean getConnection(int n1, int n2) {\n\t return !(n1 == 0 || n2 == 0);\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"Threshold Voltage\", pnp*vt, .01, 5);\n\t if (n == 1) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Digital Symbol\", drawDigital());\n\t\treturn ei;\n\t }\n\t\t\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0)\n\t\tvt = pnp*ei.value;\n\t if (n == 1) {\n\t\tflags = (ei.checkbox.getState()) ? (flags | FLAG_DIGITAL) :\n\t\t (flags & ~FLAG_DIGITAL);\n\t\tsetPoints();\n\t }\n\t}\n }\n" }, { "path": "src/NJfetElm.java", "content": " class NJfetElm extends JfetElm {\n\tpublic NJfetElm(int xx, int yy) { super(xx, yy, false); }\n\tClass getDumpClass() { return JfetElm.class; }\n }\n\n class PJfetElm extends JfetElm {\n\tpublic PJfetElm(int xx, int yy) { super(xx, yy, true); }\n\tClass getDumpClass() { return JfetElm.class; }\n }\n\n" }, { "path": "src/NMosfetElm.java", "content": " class NMosfetElm extends MosfetElm {\n\tpublic NMosfetElm(int xx, int yy) { super(xx, yy, false); }\n\tClass getDumpClass() { return MosfetElm.class; }\n }\n" }, { "path": "src/NTransistorElm.java", "content": " class NTransistorElm extends TransistorElm {\n\tpublic NTransistorElm(int xx, int yy) { super(xx, yy, false); }\n\tClass getDumpClass() { return TransistorElm.class; }\n }\n" }, { "path": "src/NandGateElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class NandGateElm extends AndGateElm {\n\tpublic NandGateElm(int xx, int yy) { super(xx, yy); }\n\tpublic NandGateElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t}\n\tboolean isInverting() { return true; }\n\tString getGateName() { return \"NAND gate\"; }\n\tint getDumpType() { return 151; }\n\tint getShortcut() { return '@'; }\n }\n" }, { "path": "src/NorGateElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class NorGateElm extends OrGateElm {\n\tpublic NorGateElm(int xx, int yy) { super(xx, yy); }\n\tpublic NorGateElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t}\n\tString getGateName() { return \"NOR gate\"; }\n\tboolean isInverting() { return true; }\n\tint getDumpType() { return 153; }\n\tint getShortcut() { return '#'; }\n }\n" }, { "path": "src/OpAmpElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class OpAmpElm extends CircuitElm {\n\tint opsize, opheight, opwidth, opaddtext;\n\tdouble maxOut, minOut, gain, gbw;\n\tboolean reset;\n\tfinal int FLAG_SWAP = 1;\n\tfinal int FLAG_SMALL = 2;\n\tfinal int FLAG_LOWGAIN = 4;\n\tpublic OpAmpElm(int xx, int yy) {\n\t super(xx, yy);\n\t noDiagonal = true;\n\t maxOut = 15;\n\t minOut = -15;\n\t gbw = 1e6;\n\t setSize(sim.smallGridCheckItem.getState() ? 1 : 2);\n\t setGain();\n\t}\n\tpublic OpAmpElm(int xa, int ya, int xb, int yb, int f,\n\t\t\tStringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t maxOut = 15;\n\t minOut = -15;\n\t // GBW has no effect in this version of the simulator, but we\n\t // retain it to keep the file format the same\n\t gbw = 1e6;\n\t try {\n\t\tmaxOut = new Double(st.nextToken()).doubleValue();\n\t\tminOut = new Double(st.nextToken()).doubleValue();\n\t\tgbw = new Double(st.nextToken()).doubleValue();\n\t } catch (Exception e) {\n\t }\n\t noDiagonal = true;\n\t setSize((f & FLAG_SMALL) != 0 ? 1 : 2);\n\t setGain();\n\t}\n\tvoid setGain() {\n\t // gain of 100000 breaks e-amp-dfdx.txt\n\t // gain was 1000, but it broke amp-schmitt.txt\n\t gain = ((flags & FLAG_LOWGAIN) != 0) ? 1000 : 100000;\n\t \n\t}\n\tString dump() {\n\t return super.dump() + \" \" + maxOut + \" \" + minOut + \" \" + gbw;\n\t}\n\tboolean nonLinear() { return true; }\n\tvoid draw(Graphics g) {\n\t setBbox(point1, point2, opheight*2);\n\t setVoltageColor(g, volts[0]);\n\t drawThickLine(g, in1p[0], in1p[1]);\n\t setVoltageColor(g, volts[1]);\n\t drawThickLine(g, in2p[0], in2p[1]);\n\t g.setColor(needsHighlight() ? selectColor : lightGrayColor);\n\t setPowerColor(g, true);\n\t drawThickPolygon(g, triangle);\n\t g.setFont(plusFont);\n\t drawCenteredText(g, \"-\", textp[0].x, textp[0].y-2, true);\n\t drawCenteredText(g, \"+\", textp[1].x, textp[1].y , true);\n\t setVoltageColor(g, volts[2]);\n\t drawThickLine(g, lead2, point2);\n\t curcount = updateDotCount(current, curcount);\n\t drawDots(g, point2, lead2, curcount);\n\t drawPosts(g);\n\t}\n\tdouble getPower() { return volts[2]*current; }\n\tPoint in1p[], in2p[], textp[];\n\tPolygon triangle;\n\tFont plusFont;\n\tvoid setSize(int s) {\n\t opsize = s;\n\t opheight = 8*s;\n\t opwidth = 13*s;\n\t flags = (flags & ~FLAG_SMALL) | ((s == 1) ? FLAG_SMALL : 0);\n\t}\n\tvoid setPoints() {\n\t super.setPoints();\n\t if (dn > 150 && this == sim.dragElm)\n\t\tsetSize(2);\n\t int ww = opwidth;\n\t if (ww > dn/2)\n\t\tww = (int) (dn/2);\n\t calcLeads(ww*2);\n\t int hs = opheight*dsign;\n\t if ((flags & FLAG_SWAP) != 0)\n\t\ths = -hs;\n\t in1p = newPointArray(2);\n\t in2p = newPointArray(2);\n\t textp = newPointArray(2);\n\t interpPoint2(point1, point2, in1p[0], in2p[0], 0, hs);\n\t interpPoint2(lead1 , lead2, in1p[1], in2p[1], 0, hs);\n\t interpPoint2(lead1 , lead2, textp[0], textp[1], .2, hs);\n\t Point tris[] = newPointArray(2);\n\t interpPoint2(lead1, lead2, tris[0], tris[1], 0, hs*2);\n\t triangle = createPolygon(tris[0], tris[1], lead2);\n\t plusFont = new Font(\"SansSerif\", 0, opsize == 2 ? 14 : 10);\n\t}\n\tint getPostCount() { return 3; }\n\tPoint getPost(int n) {\n\t return (n == 0) ? in1p[0] : (n == 1) ? in2p[0] : point2;\n\t}\n\tint getVoltageSourceCount() { return 1; }\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"op-amp\";\n\t arr[1] = \"V+ = \" + getVoltageText(volts[1]);\n\t arr[2] = \"V- = \" + getVoltageText(volts[0]);\n\t // sometimes the voltage goes slightly outside range, to make\n\t // convergence easier. so we hide that here.\n\t double vo = Math.max(Math.min(volts[2], maxOut), minOut);\n\t arr[3] = \"Vout = \" + getVoltageText(vo);\n\t arr[4] = \"Iout = \" + getCurrentText(getCurrent());\n\t arr[5] = \"range = \" + getVoltageText(minOut) + \" to \" +\n\t\tgetVoltageText(maxOut);\n\t}\n\n\tdouble lastvd;\n\n\tvoid stamp() {\n\t int vn = sim.nodeList.size()+voltSource;\n\t sim.stampNonLinear(vn);\n\t sim.stampMatrix(nodes[2], vn, 1);\n\t}\n\tvoid doStep() {\n\t double vd = volts[1] - volts[0];\n\t if (Math.abs(lastvd-vd) > .1)\n\t\tsim.converged = false;\n\t else if (volts[2] > maxOut+.1 || volts[2] < minOut-.1)\n\t\tsim.converged = false;\n\t double x = 0;\n\t int vn = sim.nodeList.size()+voltSource;\n\t double dx = 0;\n\t if (vd >= maxOut/gain && (lastvd >= 0 || sim.getrand(4) == 1)) {\n\t\tdx = 1e-4;\n\t\tx = maxOut - dx*maxOut/gain;\n\t } else if (vd <= minOut/gain && (lastvd <= 0 || sim.getrand(4) == 1)) {\n\t\tdx = 1e-4;\n\t\tx = minOut - dx*minOut/gain;\n\t } else\n\t\tdx = gain;\n\t //System.out.println(\"opamp \" + vd + \" \" + volts[2] + \" \" + dx + \" \" + x + \" \" + lastvd + \" \" + sim.converged);\n\t \n\t // newton-raphson\n\t sim.stampMatrix(vn, nodes[0], dx);\n\t sim.stampMatrix(vn, nodes[1], -dx);\n\t sim.stampMatrix(vn, nodes[2], 1);\n\t sim.stampRightSide(vn, x);\n\t \n\t lastvd = vd;\n\t /*if (sim.converged)\n\t System.out.println((volts[1]-volts[0]) + \" \" + volts[2] + \" \" + initvd);*/\n\t}\n\t// there is no current path through the op-amp inputs, but there\n\t// is an indirect path through the output to ground.\n\tboolean getConnection(int n1, int n2) { return false; }\n\tboolean hasGroundConnection(int n1) {\n\t return (n1 == 2);\n\t}\n\tdouble getVoltageDiff() { return volts[2] - volts[1]; }\n\tint getDumpType() { return 'a'; }\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"Max Output (V)\", maxOut, 1, 20);\n\t if (n == 1)\n\t\treturn new EditInfo(\"Min Output (V)\", minOut, -20, 0);\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0)\n\t\tmaxOut = ei.value;\n\t if (n == 1)\n\t\tminOut = ei.value;\n\t}\n }\n" }, { "path": "src/OpAmpSwapElm.java", "content": " class OpAmpSwapElm extends OpAmpElm {\n\tpublic OpAmpSwapElm(int xx, int yy) {\n\t super(xx, yy);\n\t flags |= FLAG_SWAP;\n\t}\n\tClass getDumpClass() { return OpAmpElm.class; }\n }\n" }, { "path": "src/OrGateElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class OrGateElm extends GateElm {\n\tpublic OrGateElm(int xx, int yy) { super(xx, yy); }\n\tpublic OrGateElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t}\n\tString getGateName() { return \"OR gate\"; }\n\tvoid setPoints() {\n\t super.setPoints();\n\n\t // 0-15 = top curve, 16 = right, 17-32=bottom curve,\n\t // 33-37 = left curve\n\t Point triPoints[] = newPointArray(38);\n\t if (this instanceof XorGateElm)\n\t\tlinePoints = new Point[5];\n\t int i;\n\t for (i = 0; i != 16; i++) {\n\t\tdouble a = i/16.;\n\t\tdouble b = 1-a*a;\n\t\tinterpPoint2(lead1, lead2,\n\t\t\t triPoints[i], triPoints[32-i],\n\t\t\t .5+a/2, b*hs2);\n\t }\n\t double ww2 = (ww == 0) ? dn*2 : ww*2;\n\t for (i = 0; i != 5; i++) {\n\t\tdouble a = (i-2)/2.;\n\t\tdouble b = 4*(1-a*a)-2;\n\t\tinterpPoint(lead1, lead2,\n\t\t\t triPoints[33+i], b/(ww2), a*hs2);\n\t\tif (this instanceof XorGateElm)\n\t\t linePoints[i] = interpPoint(lead1, lead2,\n\t\t\t\t\t\t(b-5)/(ww2), a*hs2);\n\t }\n\t triPoints[16] = new Point(lead2);\n\t if (isInverting()) {\n\t\tpcircle = interpPoint(point1, point2, .5+(ww+4)/dn);\n\t\tlead2 = interpPoint(point1, point2, .5+(ww+8)/dn);\n\t }\n\t gatePoly = createPolygon(triPoints);\n\t}\n\tboolean calcFunction() {\n\t int i;\n\t boolean f = false;\n\t for (i = 0; i != inputCount; i++)\n\t\tf |= getInput(i);\n\t return f;\n\t}\n\tint getDumpType() { return 152; }\n\tint getShortcut() { return '3'; }\n }\n" }, { "path": "src/OutputElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class OutputElm extends CircuitElm {\n\tfinal int FLAG_VALUE = 1;\n\tpublic OutputElm(int xx, int yy) { super(xx, yy); }\n\tpublic OutputElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t}\n\tint getDumpType() { return 'O'; }\n\tint getPostCount() { return 1; }\n\tvoid setPoints() {\n\t super.setPoints();\n\t lead1 = new Point();\n\t}\n\tvoid draw(Graphics g) {\n\t boolean selected = (needsHighlight() || sim.plotYElm == this);\n\t Font f = new Font(\"SansSerif\", selected ? Font.BOLD : 0, 14);\n\t g.setFont(f);\n\t g.setColor(selected ? selectColor : whiteColor);\n\t String s = (flags & FLAG_VALUE) != 0 ? getVoltageText(volts[0]) : \"out\";\n\t FontMetrics fm = g.getFontMetrics();\n\t if (this == sim.plotXElm)\n\t\ts = \"X\";\n\t if (this == sim.plotYElm)\n\t\ts = \"Y\";\n\t interpPoint(point1, point2, lead1, 1-(fm.stringWidth(s)/2+8)/dn);\n\t setBbox(point1, lead1, 0);\n\t drawCenteredText(g, s, x2, y2, true);\n\t setVoltageColor(g, volts[0]);\n\t if (selected)\n\t\tg.setColor(selectColor);\n\t drawThickLine(g, point1, lead1);\n\t drawPosts(g);\n\t}\n\tdouble getVoltageDiff() { return volts[0]; }\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"output\";\n\t arr[1] = \"V = \" + getVoltageText(volts[0]);\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Show Voltage\",\n\t\t\t\t\t (flags & FLAG_VALUE) != 0);\n\t\treturn ei;\n\t }\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0)\n\t\tflags = (ei.checkbox.getState()) ?\n\t\t (flags | FLAG_VALUE) :\n\t\t (flags & ~FLAG_VALUE);\n\t}\n }\n" }, { "path": "src/PMosfetElm.java", "content": " class PMosfetElm extends MosfetElm {\n\tpublic PMosfetElm(int xx, int yy) { super(xx, yy, true); }\n\tClass getDumpClass() { return MosfetElm.class; }\n }\n" }, { "path": "src/PTransistorElm.java", "content": " class PTransistorElm extends TransistorElm {\n\tpublic PTransistorElm(int xx, int yy) { super(xx, yy, true); }\n\tClass getDumpClass() { return TransistorElm.class; }\n }\n" }, { "path": "src/PhaseCompElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass PhaseCompElm extends ChipElm {\n public PhaseCompElm(int xx, int yy) { super(xx, yy); }\n public PhaseCompElm(int xa, int ya, int xb, int yb, int f,\n\t\t\tStringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f, st);\n }\n String getChipName() { return \"phase comparator\"; }\n void setupPins() {\n\tsizeX = 2;\n\tsizeY = 2;\n\tpins = new Pin[3];\n\tpins[0] = new Pin(0, SIDE_W, \"I1\");\n\tpins[1] = new Pin(1, SIDE_W, \"I2\");\n\tpins[2] = new Pin(0, SIDE_E, \"O\");\n\tpins[2].output = true;\n }\n boolean nonLinear() { return true; }\n void stamp() {\n\tint vn = sim.nodeList.size()+pins[2].voltSource;\n\tsim.stampNonLinear(vn);\n\tsim.stampNonLinear(0);\n\tsim.stampNonLinear(nodes[2]);\n }\n boolean ff1, ff2;\n void doStep() {\n\tboolean v1 = volts[0] > 2.5;\n\tboolean v2 = volts[1] > 2.5;\n\tif (v1 && !pins[0].value)\n\t ff1 = true;\n\tif (v2 && !pins[1].value)\n\t ff2 = true;\n\tif (ff1 && ff2)\n\t ff1 = ff2 = false;\n\tdouble out = (ff1) ? 5 : (ff2) ? 0 : -1;\n\t//System.out.println(out + \" \" + v1 + \" \" + v2);\n\tif (out != -1)\n\t sim.stampVoltageSource(0, nodes[2], pins[2].voltSource, out);\n\telse {\n\t // tie current through output pin to 0\n\t int vn = sim.nodeList.size()+pins[2].voltSource;\n\t sim.stampMatrix(vn, vn, 1);\n\t}\n\tpins[0].value = v1;\n\tpins[1].value = v2;\n }\n int getPostCount() { return 3; }\n int getVoltageSourceCount() { return 1; }\n int getDumpType() { return 161; }\n}\n \n" }, { "path": "src/PhotoResistorElm.java", "content": "// stub PhotoResistorElm based on SparkGapElm\n// FIXME need to uncomment PhotoResistorElm line from CirSim.java\n// FIXME need to add PhotoResistorElm.java to srclist\n\nimport java.awt.*;\nimport java.util.StringTokenizer;\n\nclass PhotoResistorElm extends CircuitElm {\n double minresistance, maxresistance;\n double resistance;\n Scrollbar slider;\n Label label;\n public PhotoResistorElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tmaxresistance = 1e9;\n\tminresistance = 1e3;\n\tcreateSlider();\n }\n public PhotoResistorElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tminresistance = new Double(st.nextToken()).doubleValue();\n\tmaxresistance = new Double(st.nextToken()).doubleValue();\n\tcreateSlider();\n }\n boolean nonLinear() {return true;}\n int getDumpType() { return 186; }\n String dump() {\n\treturn super.dump() + \" \" + minresistance + \" \" + maxresistance;\n }\n Point ps3, ps4;\n void createSlider() {\n\tsim.main.add(label = new Label(\"Light Level\", Label.CENTER));\n\tint value = 50;\n\tsim.main.add(slider = new Scrollbar(Scrollbar.HORIZONTAL, value, 1, 0, 101));\n\tsim.main.validate();\n }\n void setPoints() {\n\tsuper.setPoints();\n\tcalcLeads(32);\n\tps3 = new Point();\n\tps4 = new Point();\n }\n void delete() {\n\tsim.main.remove(label);\n\tsim.main.remove(slider);\n }\n \n void draw(Graphics g) {\n\tint i;\n\tdouble v1 = volts[0];\n\tdouble v2 = volts[1];\n\tsetBbox(point1, point2, 6);\n\tdraw2Leads(g);\n\t// FIXME need to draw properly, see ResistorElm.java\n\tsetPowerColor(g, true);\n\tdoDots(g);\n\tdrawPosts(g);\n }\n \n void calculateCurrent() {\n\tdouble vd = volts[0] - volts[1];\n\tcurrent = vd/resistance;\n }\n void startIteration() {\n\tdouble vd = volts[0] - volts[1];\n\t// FIXME set resistance as appropriate, using slider.getValue()\n\tresistance = minresistance;\n\t//System.out.print(this + \" res current set to \" + current + \"\\n\");\n }\n void doStep() {\n\tsim.stampResistor(nodes[0], nodes[1], resistance);\n }\n void stamp() {\n\tsim.stampNonLinear(nodes[0]);\n\tsim.stampNonLinear(nodes[1]);\n }\n void getInfo(String arr[]) {\n\t// FIXME\n\tarr[0] = \"spark gap\";\n\tgetBasicInfo(arr);\n\tarr[3] = \"R = \" + getUnitText(resistance, sim.ohmString);\n\tarr[4] = \"Ron = \" + getUnitText(minresistance, sim.ohmString);\n\tarr[5] = \"Roff = \" + getUnitText(maxresistance, sim.ohmString);\n }\n public EditInfo getEditInfo(int n) {\n\t// ohmString doesn't work here on linux\n\tif (n == 0)\n\t return new EditInfo(\"Min resistance (ohms)\", minresistance, 0, 0);\n\tif (n == 1)\n\t return new EditInfo(\"Max resistance (ohms)\", maxresistance, 0, 0);\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (ei.value > 0 && n == 0)\n\t minresistance = ei.value;\n\tif (ei.value > 0 && n == 1)\n\t maxresistance = ei.value;\n }\n}\n\n" }, { "path": "src/PotElm.java", "content": "import java.awt.*;\nimport java.awt.event.*;\nimport java.util.StringTokenizer;\n\nclass PotElm extends CircuitElm implements AdjustmentListener {\n double position, maxResistance, resistance1, resistance2;\n double current1, current2, current3;\n double curcount1, curcount2, curcount3;\n Scrollbar slider;\n Label label;\n String sliderText;\n public PotElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tsetup();\n\tmaxResistance = 1000;\n\tposition = .5;\n\tsliderText = \"Resistance\";\n\tcreateSlider();\n }\n public PotElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tmaxResistance = new Double(st.nextToken()).doubleValue();\n\tposition = new Double(st.nextToken()).doubleValue();\n\tsliderText = st.nextToken();\n\twhile (st.hasMoreTokens())\n\t sliderText += ' ' + st.nextToken();\n\tcreateSlider();\n }\n void setup() {\n }\n int getPostCount() { return 3; }\n int getDumpType() { return 174; }\n Point getPost(int n) {\n\treturn (n == 0) ? point1 : (n == 1) ? point2 : post3;\n }\n String dump() { return super.dump() + \" \" + maxResistance + \" \" +\n\t position + \" \" + sliderText; }\n void createSlider() {\n\tsim.main.add(label = new Label(sliderText, Label.CENTER));\n\tint value = (int) (position*100);\n\tsim.main.add(slider = new Scrollbar(Scrollbar.HORIZONTAL, value, 1, 0, 101));\n\tsim.main.validate();\n\tslider.addAdjustmentListener(this);\n }\n public void adjustmentValueChanged(AdjustmentEvent e) {\n\tsim.analyzeFlag = true;\n\tsetPoints();\n }\n void delete() {\n\tsim.main.remove(label);\n\tsim.main.remove(slider);\n }\n Point post3, corner2, arrowPoint, midpoint, arrow1, arrow2;\n Point ps3, ps4;\n int bodyLen;\n void setPoints() {\n\tsuper.setPoints();\n\tint offset = 0;\n\tif (abs(dx) > abs(dy)) {\n\t dx = sim.snapGrid(dx/2)*2;\n\t point2.x = x2 = point1.x + dx;\n\t offset = (dx < 0) ? dy : -dy;\n\t point2.y = point1.y;\n\t} else {\n\t dy = sim.snapGrid(dy/2)*2;\n\t point2.y = y2 = point1.y + dy;\n\t offset = (dy > 0) ? dx : -dx;\n\t point2.x = point1.x;\n\t}\n\tif (offset == 0)\n\t offset = sim.gridSize;\n\tdn = distance(point1, point2);\n\tint bodyLen = 32;\n\tcalcLeads(bodyLen);\n\tposition = slider.getValue()*.0099+.005;\n\tint soff = (int) ((position-.5)*bodyLen);\n\t//int offset2 = offset - sign(offset)*4;\n\tpost3 = interpPoint(point1, point2, .5, offset);\n\tcorner2 = interpPoint(point1, point2, soff/dn+.5, offset);\n\tarrowPoint = interpPoint(point1, point2, soff/dn+.5,\n\t\t\t\t 8*sign(offset));\n\tmidpoint = interpPoint(point1, point2, soff/dn+.5);\n\tarrow1 = new Point();\n\tarrow2 = new Point();\n\tdouble clen = abs(offset)-8;\n\tinterpPoint2(corner2, arrowPoint, arrow1, arrow2, (clen-8)/clen, 8);\n\tps3 = new Point();\n\tps4 = new Point();\n }\n\t\n void draw(Graphics g) {\n\tint segments = 16;\n\tint i;\n\tint ox = 0;\n\tint hs = sim.euroResistorCheckItem.getState() ? 6 : 8;\n\tdouble v1 = volts[0];\n\tdouble v2 = volts[1];\n\tdouble v3 = volts[2];\n\tsetBbox(point1, point2, hs);\n\tdraw2Leads(g);\n\tsetPowerColor(g, true);\n\tdouble segf = 1./segments;\n\tint divide = (int) (segments*position);\n\tif (!sim.euroResistorCheckItem.getState()) {\n\t // draw zigzag\n\t for (i = 0; i != segments; i++) {\n\t\tint nx = 0;\n\t\tswitch (i & 3) {\n\t\tcase 0: nx = 1; break;\n\t\tcase 2: nx = -1; break;\n\t\tdefault: nx = 0; break;\n\t\t}\n\t\tdouble v = v1+(v3-v1)*i/divide;\n\t\tif (i >= divide)\n\t\t v = v3+(v2-v3)*(i-divide)/(segments-divide);\n\t\tsetVoltageColor(g, v);\n\t\tinterpPoint(lead1, lead2, ps1, i*segf, hs*ox);\n\t\tinterpPoint(lead1, lead2, ps2, (i+1)*segf, hs*nx);\n\t\tdrawThickLine(g, ps1, ps2);\n\t\tox = nx;\n\t }\n\t} else {\n\t // draw rectangle\n\t setVoltageColor(g, v1);\n\t interpPoint2(lead1, lead2, ps1, ps2, 0, hs);\n\t drawThickLine(g, ps1, ps2);\n\t for (i = 0; i != segments; i++) {\n\t\tdouble v = v1+(v3-v1)*i/divide;\n\t\tif (i >= divide)\n\t\t v = v3+(v2-v3)*(i-divide)/(segments-divide);\n\t\tsetVoltageColor(g, v);\n\t\tinterpPoint2(lead1, lead2, ps1, ps2, i*segf, hs);\n\t\tinterpPoint2(lead1, lead2, ps3, ps4, (i+1)*segf, hs);\n\t\tdrawThickLine(g, ps1, ps3);\n\t\tdrawThickLine(g, ps2, ps4);\n\t }\n\t interpPoint2(lead1, lead2, ps1, ps2, 1, hs);\n\t drawThickLine(g, ps1, ps2);\n\t}\n\tsetVoltageColor(g, v3);\n\tdrawThickLine(g, post3, corner2);\n\tdrawThickLine(g, corner2, arrowPoint);\n\tdrawThickLine(g, arrow1, arrowPoint);\n\tdrawThickLine(g, arrow2, arrowPoint);\n\tcurcount1 = updateDotCount(current1, curcount1);\n\tcurcount2 = updateDotCount(current2, curcount2);\n\tcurcount3 = updateDotCount(current3, curcount3);\n\tif (sim.dragElm != this) {\n\t drawDots(g, point1, midpoint, curcount1);\n\t drawDots(g, point2, midpoint, curcount2);\n\t drawDots(g, post3, corner2, curcount3);\n\t drawDots(g, corner2, midpoint,\n\t\t curcount3+distance(post3, corner2));\n\t}\n\tdrawPosts(g);\n }\n void calculateCurrent() {\n\tcurrent1 = (volts[0]-volts[2])/resistance1;\n\tcurrent2 = (volts[1]-volts[2])/resistance2;\n\tcurrent3 = -current1-current2;\n }\n void stamp() {\n\tresistance1 = maxResistance*position;\n\tresistance2 = maxResistance*(1-position);\n\tsim.stampResistor(nodes[0], nodes[2], resistance1);\n\tsim.stampResistor(nodes[2], nodes[1], resistance2);\n }\n void getInfo(String arr[]) {\n\tarr[0] = \"potentiometer\";\n\tarr[1] = \"Vd = \" + getVoltageDText(getVoltageDiff());\n\tarr[2] = \"R1 = \" + getUnitText(resistance1, sim.ohmString);\n\tarr[3] = \"R2 = \" + getUnitText(resistance2, sim.ohmString);\n\tarr[4] = \"I1 = \" + getCurrentDText(current1);\n\tarr[5] = \"I2 = \" + getCurrentDText(current2);\n }\n public EditInfo getEditInfo(int n) {\n\t// ohmString doesn't work here on linux\n\tif (n == 0)\n\t return new EditInfo(\"Resistance (ohms)\", maxResistance, 0, 0);\n\tif (n == 1) {\n\t EditInfo ei = new EditInfo(\"Slider Text\", 0, -1, -1);\n\t ei.text = sliderText;\n\t return ei;\n\t}\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (n == 0)\n\t maxResistance = ei.value;\n\tif (n == 1) {\n\t sliderText = ei.textf.getText();\n\t label.setText(sliderText);\n\t}\n }\n}\n\n" }, { "path": "src/ProbeElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass ProbeElm extends CircuitElm {\n static final int FLAG_SHOWVOLTAGE = 1;\n public ProbeElm(int xx, int yy) { super(xx, yy); }\n public ProbeElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n }\n int getDumpType() { return 'p'; }\n\t\n Point center;\n void setPoints() {\n\tsuper.setPoints();\n\t// swap points so that we subtract higher from lower\n\tif (point2.y < point1.y) {\n\t Point x = point1;\n\t point1 = point2;\n\t point2 = x;\n\t}\n\tcenter = interpPoint(point1, point2, .5);\n }\n void draw(Graphics g) {\n\tint hs = 8;\n\tsetBbox(point1, point2, hs);\n\tboolean selected = (needsHighlight() || sim.plotYElm == this);\n\tdouble len = (selected || sim.dragElm == this) ? 16 : dn-32;\n\tcalcLeads((int) len);\n\tsetVoltageColor(g, volts[0]);\n\tif (selected)\n\t g.setColor(selectColor);\n\tdrawThickLine(g, point1, lead1);\n\tsetVoltageColor(g, volts[1]);\n\tif (selected)\n\t g.setColor(selectColor);\n\tdrawThickLine(g, lead2, point2);\n\tFont f = new Font(\"SansSerif\", Font.BOLD, 14);\n\tg.setFont(f);\n\tif (this == sim.plotXElm)\n\t drawCenteredText(g, \"X\", center.x, center.y, true);\n\tif (this == sim.plotYElm)\n\t drawCenteredText(g, \"Y\", center.x, center.y, true);\n\tif (mustShowVoltage()) {\n\t String s = getShortUnitText(volts[0], \"V\");\n\t drawValues(g, s, 4);\n\t}\n\tdrawPosts(g);\n }\n\t\n boolean mustShowVoltage() {\n\treturn (flags & FLAG_SHOWVOLTAGE) != 0;\n }\n\n void getInfo(String arr[]) {\n\tarr[0] = \"scope probe\";\n\tarr[1] = \"Vd = \" + getVoltageText(getVoltageDiff());\n }\n boolean getConnection(int n1, int n2) { return false; }\n\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Show Voltage\", mustShowVoltage());\n\t\treturn ei;\n\t }\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0) {\n\t\tif (ei.checkbox.getState())\n\t\t flags = FLAG_SHOWVOLTAGE;\n\t\telse\n\t\t flags &= ~FLAG_SHOWVOLTAGE;\n\t }\n\t}\n}\n\n" }, { "path": "src/PushSwitchElm.java", "content": " class PushSwitchElm extends SwitchElm {\n\tpublic PushSwitchElm(int xx, int yy) { super(xx, yy, true); }\n\tClass getDumpClass() { return SwitchElm.class; }\n\tint getShortcut() { return 0; }\n }\n" }, { "path": "src/RailElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass RailElm extends VoltageElm {\n public RailElm(int xx, int yy) { super(xx, yy, WF_DC); }\n RailElm(int xx, int yy, int wf) { super(xx, yy, wf); }\n public RailElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f, st);\n }\n final int FLAG_CLOCK = 1;\n int getDumpType() { return 'R'; }\n int getPostCount() { return 1; }\n\t\n void setPoints() {\n\tsuper.setPoints();\n\tlead1 = interpPoint(point1, point2, 1-circleSize/dn);\n }\n void draw(Graphics g) {\n\tsetBbox(point1, point2, circleSize);\n\tsetVoltageColor(g, volts[0]);\n\tdrawThickLine(g, point1, lead1);\n\tboolean clock = waveform == WF_SQUARE && (flags & FLAG_CLOCK) != 0;\n\tif (waveform == WF_DC || waveform == WF_VAR || clock) {\n\t Font f = new Font(\"SansSerif\", 0, 12);\n\t g.setFont(f);\n\t g.setColor(needsHighlight() ? selectColor : whiteColor);\n\t setPowerColor(g, false);\n\t double v = getVoltage();\n\t String s = getShortUnitText(v, \"V\");\n\t if (Math.abs(v) < 1)\n\t\ts = showFormat.format(v) + \"V\";\n\t if (getVoltage() > 0)\n\t\ts = \"+\" + s;\n\t if (this instanceof AntennaElm)\n\t\ts = \"Ant\";\n\t if (clock)\n\t\ts = \"CLK\";\n\t drawCenteredText(g, s, x2, y2, true);\n\t} else {\n\t drawWaveform(g, point2);\n\t}\n\tdrawPosts(g);\n\tcurcount = updateDotCount(-current, curcount);\n\tif (sim.dragElm != this)\n\t drawDots(g, point1, lead1, curcount);\n }\n double getVoltageDiff() { return volts[0]; }\n void stamp() {\n\tif (waveform == WF_DC)\n\t sim.stampVoltageSource(0, nodes[0], voltSource, getVoltage());\n\telse\n\t sim.stampVoltageSource(0, nodes[0], voltSource);\n }\n void doStep() {\n\tif (waveform != WF_DC)\n\t sim.updateVoltageSource(0, nodes[0], voltSource, getVoltage());\n }\n boolean hasGroundConnection(int n1) { return true; }\n int getShortcut() { return 'V'; }\n}\n" }, { "path": "src/RelayElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n// 0 = switch\n// 1 = switch end 1\n// 2 = switch end 2\n// ...\n// 3n = coil\n// 3n+1 = coil\n// 3n+2 = end of coil resistor\n\nclass RelayElm extends CircuitElm {\n double inductance;\n Inductor ind;\n double r_on, r_off, onCurrent;\n Point coilPosts[], coilLeads[], swposts[][], swpoles[][], ptSwitch[];\n Point lines[];\n double coilCurrent, switchCurrent[], coilCurCount, switchCurCount[];\n double d_position, coilR;\n int i_position;\n int poleCount;\n int openhs;\n final int nSwitch0 = 0;\n final int nSwitch1 = 1;\n final int nSwitch2 = 2;\n int nCoil1, nCoil2, nCoil3;\n final int FLAG_SWAP_COIL = 1;\n \n public RelayElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tind = new Inductor(sim);\n\tinductance = .2;\n\tind.setup(inductance, 0, Inductor.FLAG_BACK_EULER);\n\tnoDiagonal = true;\n\tonCurrent = .02;\n\tr_on = .05;\n\tr_off = 1e6;\n\tcoilR = 20;\n\tcoilCurrent = coilCurCount = 0;\n\tpoleCount = 1;\n\tsetupPoles();\n }\n public RelayElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tpoleCount = new Integer(st.nextToken()).intValue();\n\tinductance = new Double(st.nextToken()).doubleValue();\n\tcoilCurrent = new Double(st.nextToken()).doubleValue();\n\tr_on = new Double(st.nextToken()).doubleValue();\n\tr_off = new Double(st.nextToken()).doubleValue();\n\tonCurrent = new Double(st.nextToken()).doubleValue();\n\tcoilR = new Double(st.nextToken()).doubleValue();\n\tnoDiagonal = true;\n\tind = new Inductor(sim);\n\tind.setup(inductance, coilCurrent, Inductor.FLAG_BACK_EULER);\n\tsetupPoles();\n }\n \n void setupPoles() {\n\tnCoil1 = 3*poleCount;\n\tnCoil2 = nCoil1+1;\n\tnCoil3 = nCoil1+2;\n\tif (switchCurrent == null || switchCurrent.length != poleCount) {\n\t switchCurrent = new double[poleCount];\n\t switchCurCount = new double[poleCount];\n\t}\n }\n \n int getDumpType() { return 178; }\n \n String dump() {\n\treturn super.dump() + \" \" + poleCount + \" \" +\n\t inductance + \" \" + coilCurrent + \" \" +\n\t r_on + \" \" + r_off + \" \" + onCurrent + \" \" + coilR;\n }\n \n void draw(Graphics g) {\n\tint i, p;\n\tfor (i = 0; i != 2; i++) {\n\t setVoltageColor(g, volts[nCoil1+i]);\n\t drawThickLine(g, coilLeads[i], coilPosts[i]);\n\t}\n\tint x = ((flags & FLAG_SWAP_COIL) != 0) ? 1 : 0;\n\tdrawCoil(g, dsign*6, coilLeads[x], coilLeads[1-x],\n\t\t volts[nCoil1+x], volts[nCoil2-x]);\n\n\t// draw lines\n\tg.setColor(Color.darkGray);\n\tfor (i = 0; i != poleCount; i++) {\n\t if (i == 0)\n\t\tinterpPoint(point1, point2, lines[i*2 ], .5,\n\t\t\t openhs*2+5*dsign-i*openhs*3);\n\t else\n\t\tinterpPoint(point1, point2, lines[i*2], .5,\n\t\t\t (int) (openhs*(-i*3+3-.5+d_position))+5*dsign);\n\t interpPoint(point1, point2, lines[i*2+1], .5,\n\t\t\t(int) (openhs*(-i*3-.5+d_position))-5*dsign);\n\t g.drawLine(lines[i*2].x, lines[i*2].y, lines[i*2+1].x, lines[i*2+1].y);\n\t}\n\t\n\tfor (p = 0; p != poleCount; p++) {\n\t int po = p*3;\n\t for (i = 0; i != 3; i++) {\n\t\t// draw lead\n\t\tsetVoltageColor(g, volts[nSwitch0+po+i]);\n\t\tdrawThickLine(g, swposts[p][i], swpoles[p][i]);\n\t }\n\t \n\t interpPoint(swpoles[p][1], swpoles[p][2], ptSwitch[p], d_position);\n\t //setVoltageColor(g, volts[nSwitch0]);\n\t g.setColor(Color.lightGray);\n\t drawThickLine(g, swpoles[p][0], ptSwitch[p]);\n\t switchCurCount[p] = updateDotCount(switchCurrent[p],\n\t\t\t\t\t switchCurCount[p]);\n\t drawDots(g, swposts[p][0], swpoles[p][0], switchCurCount[p]);\n\t \n\t if (i_position != 2)\n\t\tdrawDots(g, swpoles[p][i_position+1], swposts[p][i_position+1],\n\t\t\t switchCurCount[p]);\n\t}\n\t\n\tcoilCurCount = updateDotCount(coilCurrent, coilCurCount);\n\t\n\tdrawDots(g, coilPosts[0], coilLeads[0], coilCurCount);\n\tdrawDots(g, coilLeads[0], coilLeads[1], coilCurCount);\n\tdrawDots(g, coilLeads[1], coilPosts[1], coilCurCount);\n\t \n\tdrawPosts(g);\n\tsetBbox(coilPosts[0], coilLeads[1], 0);\n\tadjustBbox(swpoles[poleCount-1][0], swposts[poleCount-1][1]); // XXX\n }\n\t\n void setPoints() {\n\tsuper.setPoints();\n\tsetupPoles();\n\tallocNodes();\n\topenhs = -dsign*16;\n\n\t// switch\n\tcalcLeads(32);\n\tswposts = new Point[poleCount][3];\n\tswpoles = new Point[poleCount][3];\n\tint i, j;\n\tfor (i = 0; i != poleCount; i++) {\n\t for (j = 0; j != 3; j++) {\n\t\tswposts[i][j] = new Point();\n\t\tswpoles[i][j] = new Point();\n\t }\n\t interpPoint(lead1, lead2, swpoles[i][0], 0, -openhs*3*i);\n\t interpPoint(lead1, lead2, swpoles[i][1], 1, -openhs*3*i-openhs);\n\t interpPoint(lead1, lead2, swpoles[i][2], 1, -openhs*3*i+openhs);\n\t interpPoint(point1, point2, swposts[i][0], 0, -openhs*3*i);\n\t interpPoint(point1, point2, swposts[i][1], 1, -openhs*3*i-openhs);\n\t interpPoint(point1, point2, swposts[i][2], 1, -openhs*3*i+openhs);\n\t}\n\n\t// coil\n\tcoilPosts = newPointArray(2);\n\tcoilLeads = newPointArray(2);\n\tptSwitch = newPointArray(poleCount);\n\n\tint x = ((flags & FLAG_SWAP_COIL) != 0) ? 1 : 0;\n\tinterpPoint(point1, point2, coilPosts[0], x, openhs*2);\n\tinterpPoint(point1, point2, coilPosts[1], x, openhs*3);\n\tinterpPoint(point1, point2, coilLeads[0], .5, openhs*2);\n\tinterpPoint(point1, point2, coilLeads[1], .5, openhs*3);\n\n\t// lines\n\tlines = newPointArray(poleCount*2);\n }\n Point getPost(int n) {\n\tif (n < 3*poleCount)\n\t return swposts[n / 3][n % 3];\n\treturn coilPosts[n-3*poleCount];\n }\n int getPostCount() { return 2+poleCount*3; }\n int getInternalNodeCount() { return 1; }\n void reset() {\n\tsuper.reset();\n\tind.reset();\n\tcoilCurrent = coilCurCount = 0;\n\tint i;\n\tfor (i = 0; i != poleCount; i++)\n\t switchCurrent[i] = switchCurCount[i] = 0;\n }\n double a1, a2, a3, a4;\n void stamp() {\n\t// inductor from coil post 1 to internal node\n\tind.stamp(nodes[nCoil1], nodes[nCoil3]);\n\t// resistor from internal node to coil post 2\n\tsim.stampResistor(nodes[nCoil3], nodes[nCoil2], coilR);\n\n\tint i;\n\tfor (i = 0; i != poleCount*3; i++)\n\t sim.stampNonLinear(nodes[nSwitch0+i]);\n }\n void startIteration() {\n\tind.startIteration(volts[nCoil1]-volts[nCoil3]);\n\n\t// magic value to balance operate speed with reset speed semi-realistically\n\tdouble magic = 1.3;\n\tdouble pmult = Math.sqrt(magic+1);\n\tdouble p = coilCurrent*pmult/onCurrent;\n\td_position = Math.abs(p*p) - 1.3;\n\tif (d_position < 0)\n\t d_position = 0;\n\tif (d_position > 1)\n\t d_position = 1;\n\tif (d_position < .1)\n\t i_position = 0;\n\telse if (d_position > .9)\n\t i_position = 1;\n\telse\n\t i_position = 2;\n\t//System.out.println(\"ind \" + this + \" \" + current + \" \" + voltdiff);\n }\n \t\n // we need this to be able to change the matrix for each step\n boolean nonLinear() { return true; }\n\n void doStep() {\n\tdouble voltdiff = volts[nCoil1]-volts[nCoil3];\n\tind.doStep(voltdiff);\n\tint p;\n\tfor (p = 0; p != poleCount*3; p += 3) {\n\t sim.stampResistor(nodes[nSwitch0+p], nodes[nSwitch1+p],\n\t\t\t i_position == 0 ? r_on : r_off);\n\t sim.stampResistor(nodes[nSwitch0+p], nodes[nSwitch2+p],\n\t\t\t i_position == 1 ? r_on : r_off);\n\t}\n }\n void calculateCurrent() {\n\tdouble voltdiff = volts[nCoil1]-volts[nCoil3];\n\tcoilCurrent = ind.calculateCurrent(voltdiff);\n\n\t// actually this isn't correct, since there is a small amount\n\t// of current through the switch when off\n\tint p;\n\tfor (p = 0; p != poleCount; p++) {\n\t if (i_position == 2)\n\t\tswitchCurrent[p] = 0;\n\t else\n\t\tswitchCurrent[p] =\n\t\t (volts[nSwitch0+p*3]-volts[nSwitch1+p*3+i_position])/r_on;\n\t}\n }\n void getInfo(String arr[]) {\n\tarr[0] = i_position == 0 ? \"relay (off)\" :\n\t i_position == 1 ? \"relay (on)\" : \"relay\";\n\tint i;\n\tint ln = 1;\n\tfor (i = 0; i != poleCount; i++)\n\t arr[ln++] = \"I\" + (i+1) + \" = \" + getCurrentDText(switchCurrent[i]);\n\tarr[ln++] = \"coil I = \" + getCurrentDText(coilCurrent);\n\tarr[ln++] = \"coil Vd = \" +\n\t getVoltageDText(volts[nCoil1] - volts[nCoil2]);\n }\n public EditInfo getEditInfo(int n) {\n\tif (n == 0)\n\t return new EditInfo(\"Inductance (H)\", inductance, 0, 0);\n\tif (n == 1)\n\t return new EditInfo(\"On Resistance (ohms)\", r_on, 0, 0);\n\tif (n == 2)\n\t return new EditInfo(\"Off Resistance (ohms)\", r_off, 0, 0);\n\tif (n == 3)\n\t return new EditInfo(\"On Current (A)\", onCurrent, 0, 0);\n\tif (n == 4)\n\t return new EditInfo(\"Number of Poles\", poleCount, 1, 4).\n\t\tsetDimensionless();\n\tif (n == 5)\n\t return new EditInfo(\"Coil Resistance (ohms)\", coilR, 0, 0);\n\tif (n == 6) {\n\t EditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t ei.checkbox = new Checkbox(\"Swap Coil Direction\",\n\t\t\t\t (flags & FLAG_SWAP_COIL) != 0);\n\t return ei;\n\t}\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (n == 0 && ei.value > 0) {\n\t inductance = ei.value;\n\t ind.setup(inductance, coilCurrent, Inductor.FLAG_BACK_EULER);\n\t}\n\tif (n == 1 && ei.value > 0)\n\t r_on = ei.value;\n\tif (n == 2 && ei.value > 0)\n\t r_off = ei.value;\n\tif (n == 3 && ei.value > 0)\n\t onCurrent = ei.value;\n\tif (n == 4 && ei.value >= 1) {\n\t poleCount = (int) ei.value;\n\t setPoints();\n\t}\n\tif (n == 5 && ei.value > 0)\n\t coilR = ei.value;\n\tif (n == 6) {\n\t if (ei.checkbox.getState())\n\t\tflags |= FLAG_SWAP_COIL;\n\t else\n\t\tflags &= ~FLAG_SWAP_COIL;\n\t setPoints();\n\t}\n }\n boolean getConnection(int n1, int n2) {\n\treturn (n1 / 3 == n2 / 3);\n }\n int getShortcut() { return 'R'; }\n}\n \n" }, { "path": "src/ResistorElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class ResistorElm extends CircuitElm {\n\tdouble resistance;\n\tpublic ResistorElm(int xx, int yy) { super(xx, yy); resistance = 100; }\n\tpublic ResistorElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t resistance = new Double(st.nextToken()).doubleValue();\n\t}\n\tint getDumpType() { return 'r'; }\n\tString dump() {\n\t return super.dump() + \" \" + resistance;\n\t}\n\n\tPoint ps3, ps4;\n\tvoid setPoints() {\n\t super.setPoints();\n\t calcLeads(32);\n\t ps3 = new Point();\n\t ps4 = new Point();\n\t}\n\t\n\tvoid draw(Graphics g) {\n\t int segments = 16;\n\t int i;\n\t int ox = 0;\n\t int hs = sim.euroResistorCheckItem.getState() ? 6 : 8;\n\t double v1 = volts[0];\n\t double v2 = volts[1];\n\t setBbox(point1, point2, hs);\n\t draw2Leads(g);\n\t setPowerColor(g, true);\n\t double segf = 1./segments;\n\t if (!sim.euroResistorCheckItem.getState()) {\n\t\t// draw zigzag\n\t\tfor (i = 0; i != segments; i++) {\n\t\t int nx = 0;\n\t\t switch (i & 3) {\n\t\t case 0: nx = 1; break;\n\t\t case 2: nx = -1; break;\n\t\t default: nx = 0; break;\n\t\t }\n\t\t double v = v1+(v2-v1)*i/segments;\n\t\t setVoltageColor(g, v);\n\t\t interpPoint(lead1, lead2, ps1, i*segf, hs*ox);\n\t\t interpPoint(lead1, lead2, ps2, (i+1)*segf, hs*nx);\n\t\t drawThickLine(g, ps1, ps2);\n\t\t ox = nx;\n\t\t}\n\t } else {\n\t\t// draw rectangle\n\t\tsetVoltageColor(g, v1);\n\t\tinterpPoint2(lead1, lead2, ps1, ps2, 0, hs);\n\t\tdrawThickLine(g, ps1, ps2);\n\t\tfor (i = 0; i != segments; i++) {\n\t\t double v = v1+(v2-v1)*i/segments;\n\t\t setVoltageColor(g, v);\n\t\t interpPoint2(lead1, lead2, ps1, ps2, i*segf, hs);\n\t\t interpPoint2(lead1, lead2, ps3, ps4, (i+1)*segf, hs);\n\t\t drawThickLine(g, ps1, ps3);\n\t\t drawThickLine(g, ps2, ps4);\n\t\t}\n\t\tinterpPoint2(lead1, lead2, ps1, ps2, 1, hs);\n\t\tdrawThickLine(g, ps1, ps2);\n\t }\n\t if (sim.showValuesCheckItem.getState()) {\n\t\tString s = getShortUnitText(resistance, \"\");\n\t\tdrawValues(g, s, hs);\n\t }\n\t doDots(g);\n\t drawPosts(g);\n\t}\n \n\tvoid calculateCurrent() {\n\t current = (volts[0]-volts[1])/resistance;\n\t //System.out.print(this + \" res current set to \" + current + \"\\n\");\n\t}\n\tvoid stamp() {\n\t sim.stampResistor(nodes[0], nodes[1], resistance);\n\t}\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"resistor\";\n\t getBasicInfo(arr);\n\t arr[3] = \"R = \" + getUnitText(resistance, sim.ohmString);\n\t arr[4] = \"P = \" + getUnitText(getPower(), \"W\");\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t // ohmString doesn't work here on linux\n\t if (n == 0)\n\t\treturn new EditInfo(\"Resistance (ohms)\", resistance, 0, 0);\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (ei.value > 0)\n\t resistance = ei.value;\n\t}\n\tint getShortcut() { return 'r'; }\n }\n" }, { "path": "src/RowInfo.java", "content": " // info about each row/column of the matrix for simplification purposes\n class RowInfo {\n\tstatic final int ROW_NORMAL = 0; // ordinary value\n\tstatic final int ROW_CONST = 1; // value is constant\n\tstatic final int ROW_EQUAL = 2; // value is equal to another value\n\tint nodeEq, type, mapCol, mapRow;\n\tdouble value;\n\tboolean rsChanges; // row's right side changes\n\tboolean lsChanges; // row's left side changes\n\tboolean dropRow; // row is not needed in matrix\n\tRowInfo() { type = ROW_NORMAL; }\n }\n" }, { "path": "src/SCRElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n// Silicon-Controlled Rectifier\n// 3 nodes, 1 internal node\n// 0 = anode, 1 = cathode, 2 = gate\n// 0, 3 = variable resistor\n// 3, 2 = diode\n// 2, 1 = 50 ohm resistor\n\nclass SCRElm extends CircuitElm {\n final int anode = 0;\n final int cnode = 1;\n final int gnode = 2;\n final int inode = 3;\n Diode diode;\n public SCRElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tsetDefaults();\n\tsetup();\n }\n public SCRElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tsetDefaults();\n\ttry {\n\t lastvac = new Double(st.nextToken()).doubleValue();\n\t lastvag = new Double(st.nextToken()).doubleValue();\n\t volts[anode] = 0;\n\t volts[cnode] = -lastvac;\n\t volts[gnode] = -lastvag;\n\t triggerI = new Double(st.nextToken()).doubleValue();\n\t holdingI = new Double(st.nextToken()).doubleValue();\n\t cresistance = new Double(st.nextToken()).doubleValue();\n\t} catch (Exception e) {\n\t}\n\tsetup();\n }\n void setDefaults() {\n\tcresistance = 50;\n\tholdingI = .0082;\n\ttriggerI = .01;\n }\n void setup() {\n\tdiode = new Diode(sim);\n\tdiode.setup(.8, 0);\n }\n boolean nonLinear() { return true; }\n void reset() {\n\tvolts[anode] = volts[cnode] = volts[gnode] = 0;\n\tdiode.reset();\n\tlastvag = lastvac = curcount_a = curcount_c = curcount_g = 0;\n }\n int getDumpType() { return 177; }\n String dump() {\n\treturn super.dump() + \" \" + (volts[anode]-volts[cnode]) + \" \" +\n\t (volts[anode]-volts[gnode]) + \" \" + triggerI + \" \"+ holdingI + \" \" +\n\t cresistance;\n }\n double ia, ic, ig, curcount_a, curcount_c, curcount_g;\n double lastvac, lastvag;\n double cresistance, triggerI, holdingI;\n\n final int hs = 8;\n Polygon poly;\n Point cathode[], gate[];\n\t\n void setPoints() {\n\tsuper.setPoints();\n\tint dir = 0;\n\tif (abs(dx) > abs(dy)) {\n\t dir = -sign(dx)*sign(dy);\n\t point2.y = point1.y;\n\t} else {\n\t dir = sign(dy)*sign(dx);\n\t point2.x = point1.x;\n\t}\n\tif (dir == 0)\n\t dir = 1;\n\tcalcLeads(16);\n\tcathode = newPointArray(2);\n\tPoint pa[] = newPointArray(2);\n\tinterpPoint2(lead1, lead2, pa[0], pa[1], 0, hs);\n\tinterpPoint2(lead1, lead2, cathode[0], cathode[1], 1, hs);\n\tpoly = createPolygon(pa[0], pa[1], lead2);\n\n\tgate = newPointArray(2);\n\tdouble leadlen = (dn-16)/2;\n\tint gatelen = sim.gridSize;\n\tgatelen += leadlen % sim.gridSize;\n\tif (leadlen < gatelen) {\n\t x2 = x; y2 = y;\n\t return;\n\t}\n\tinterpPoint(lead2, point2, gate[0], gatelen/leadlen, gatelen*dir);\n\tinterpPoint(lead2, point2, gate[1], gatelen/leadlen, sim.gridSize*2*dir);\n }\n\t\n void draw(Graphics g) {\n\tsetBbox(point1, point2, hs);\n\tadjustBbox(gate[0], gate[1]);\n\n\tdouble v1 = volts[anode];\n\tdouble v2 = volts[cnode];\n\n\tdraw2Leads(g);\n\n\t// draw arrow thingy\n\tsetPowerColor(g, true);\n\tsetVoltageColor(g, v1);\n\tg.fillPolygon(poly);\n\n\t// draw thing arrow is pointing to\n\tsetVoltageColor(g, v2);\n\tdrawThickLine(g, cathode[0], cathode[1]);\n\n\tdrawThickLine(g, lead2, gate[0]);\n\tdrawThickLine(g, gate[0], gate[1]);\n\t\n\tcurcount_a = updateDotCount(ia, curcount_a);\n\tcurcount_c = updateDotCount(ic, curcount_c);\n\tcurcount_g = updateDotCount(ig, curcount_g);\n\tif (sim.dragElm != this) {\n\t drawDots(g, point1, lead2, curcount_a);\n\t drawDots(g, point2, lead2, curcount_c);\n\t drawDots(g, gate[1], gate[0], curcount_g);\n\t drawDots(g, gate[0], lead2, curcount_g+distance(gate[1], gate[0]));\n\t}\n\tdrawPosts(g);\n }\n\t\n \n Point getPost(int n) {\n\treturn (n == 0) ? point1 : (n == 1) ? point2 : gate[1];\n }\n\t\n int getPostCount() { return 3; }\n int getInternalNodeCount() { return 1; }\n double getPower() {\n\treturn (volts[anode]-volts[gnode])*ia + (volts[cnode]-volts[gnode])*ic;\n }\n\n double aresistance;\n void stamp() {\n\tsim.stampNonLinear(nodes[anode]);\n\tsim.stampNonLinear(nodes[cnode]);\n\tsim.stampNonLinear(nodes[gnode]);\n\tsim.stampNonLinear(nodes[inode]);\n\tsim.stampResistor(nodes[gnode], nodes[cnode], cresistance);\n\tdiode.stamp(nodes[inode], nodes[gnode]);\n }\n\n void doStep() {\n\tdouble vac = volts[anode]-volts[cnode]; // typically negative\n\tdouble vag = volts[anode]-volts[gnode]; // typically positive\n\tif (Math.abs(vac-lastvac) > .01 ||\n\t Math.abs(vag-lastvag) > .01)\n\t sim.converged = false;\n\tlastvac = vac;\n\tlastvag = vag;\n\tdiode.doStep(volts[inode]-volts[gnode]);\n\tdouble icmult = 1/triggerI;\n\tdouble iamult = 1/holdingI - icmult;\n\t//System.out.println(icmult + \" \" + iamult);\n\taresistance = (-icmult*ic + ia*iamult > 1) ? .0105 : 10e5;\n\t//System.out.println(vac + \" \" + vag + \" \" + sim.converged + \" \" + ic + \" \" + ia + \" \" + aresistance + \" \" + volts[inode] + \" \" + volts[gnode] + \" \" + volts[anode]);\n\tsim.stampResistor(nodes[anode], nodes[inode], aresistance);\n }\n void getInfo(String arr[]) {\n\tarr[0] = \"SCR\";\n\tdouble vac = volts[anode]-volts[cnode];\n\tdouble vag = volts[anode]-volts[gnode];\n\tdouble vgc = volts[gnode]-volts[cnode];\n\tarr[1] = \"Ia = \" + getCurrentText(ia);\n\tarr[2] = \"Ig = \" + getCurrentText(ig);\n\tarr[3] = \"Vac = \" + getVoltageText(vac);\n\tarr[4] = \"Vag = \" + getVoltageText(vag);\n\tarr[5] = \"Vgc = \" + getVoltageText(vgc);\n }\n void calculateCurrent() {\n\tic = (volts[cnode]-volts[gnode])/cresistance;\n\tia = (volts[anode]-volts[inode])/aresistance;\n\tig = -ic-ia;\n }\n public EditInfo getEditInfo(int n) {\n\t// ohmString doesn't work here on linux\n\tif (n == 0)\n\t return new EditInfo(\"Trigger Current (A)\", triggerI, 0, 0);\n\tif (n == 1)\n\t return new EditInfo(\"Holding Current (A)\", holdingI, 0, 0);\n\tif (n == 2)\n\t return new EditInfo(\"Gate-Cathode Resistance (ohms)\", cresistance, 0, 0);\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (n == 0 && ei.value > 0)\n\t triggerI = ei.value;\n\tif (n == 1 && ei.value > 0)\n\t holdingI = ei.value;\n\tif (n == 2 && ei.value > 0)\n\t cresistance = ei.value;\n }\n}\n\n" }, { "path": "src/Scope.java", "content": "import java.awt.*;\nimport java.awt.image.*;\nimport java.awt.event.*;\nimport java.util.StringTokenizer;\nimport java.lang.reflect.Constructor;\nimport java.lang.reflect.Method;\n\nclass Scope {\n final int FLAG_YELM = 32;\n static final int VAL_POWER = 1;\n static final int VAL_IB = 1;\n static final int VAL_IC = 2;\n static final int VAL_IE = 3;\n static final int VAL_VBE = 4;\n static final int VAL_VBC = 5;\n static final int VAL_VCE = 6;\n static final int VAL_R = 2;\n double minV[], maxV[], minMaxV;\n double minI[], maxI[], minMaxI;\n int scopePointCount = 128;\n int ptr, ctr, speed, position;\n int value, ivalue;\n String text;\n Rectangle rect;\n boolean showI, showV, showMax, showMin, showFreq, lockScale, plot2d, plotXY;\n CircuitElm elm, xElm, yElm;\n MemoryImageSource imageSource;\n Image image;\n int pixels[];\n int draw_ox, draw_oy;\n float dpixels[];\n CirSim sim;\n Scope(CirSim s) {\n\trect = new Rectangle();\n\treset();\n\tsim = s;\n }\n void showCurrent(boolean b) { showI = b; value = ivalue = 0; }\n void showVoltage(boolean b) { showV = b; value = ivalue = 0; }\n void showMax (boolean b) { showMax = b; }\n void showMin (boolean b) { showMin = b; }\n void showFreq (boolean b) { showFreq = b; }\n void setLockScale (boolean b) { lockScale = b; }\n void resetGraph() {\n\tscopePointCount = 1;\n\twhile (scopePointCount <= rect.width)\n\t scopePointCount *= 2;\n\tminV = new double[scopePointCount];\n\tmaxV = new double[scopePointCount];\n\tminI = new double[scopePointCount];\n\tmaxI = new double[scopePointCount];\n\tptr = ctr = 0;\n\tallocImage();\n }\n boolean active() { return elm != null; }\n void reset() {\n\tresetGraph();\n\tminMaxV = 5;\n\tminMaxI = .1;\n\tspeed = 64;\n\tshowI = showV = showMax = true;\n\tshowFreq = lockScale = showMin = false;\n\tplot2d = false;\n\t// no showI for Output\n\tif (elm != null && (elm instanceof OutputElm ||\n\t\t\t elm instanceof LogicOutputElm ||\n\t\t\t elm instanceof ProbeElm))\n\t showI = false;\n\tvalue = ivalue = 0;\n\tif (elm instanceof TransistorElm)\n\t value = VAL_VCE;\n }\n void setRect(Rectangle r) {\n\trect = r;\n\tresetGraph();\n }\n int getWidth() { return rect.width; }\n int rightEdge() { return rect.x+rect.width; }\n\t\n void setElm(CircuitElm ce) {\n\telm = ce;\n\treset();\n }\n\t\n void timeStep() {\n\tif (elm == null)\n\t return;\n\tdouble v = elm.getScopeValue(value);\n\tif (v < minV[ptr])\n\t minV[ptr] = v;\n\tif (v > maxV[ptr])\n\t maxV[ptr] = v;\n\tdouble i = 0;\n\tif (value == 0 || ivalue != 0) {\n\t i = (ivalue == 0) ? elm.getCurrent() : elm.getScopeValue(ivalue);\n\t if (i < minI[ptr])\n\t\tminI[ptr] = i;\n\t if (i > maxI[ptr])\n\t\tmaxI[ptr] = i;\n\t}\n\n\tif (plot2d && dpixels != null) {\n\t boolean newscale = false;\n\t while (v > minMaxV || v < -minMaxV) {\n\t\tminMaxV *= 2;\n\t\tnewscale = true;\n\t }\n\t double yval = i;\n\t if (plotXY)\n\t\tyval = (yElm == null) ? 0 : yElm.getVoltageDiff();\n\t while (yval > minMaxI || yval < -minMaxI) {\n\t\tminMaxI *= 2;\n\t\tnewscale = true;\n\t }\n\t if (newscale)\n\t\tclear2dView();\n\t double xa = v/minMaxV;\n\t double ya = yval/minMaxI;\n\t int x = (int) (rect.width *(1+xa)*.499);\n\t int y = (int) (rect.height*(1-ya)*.499);\n\t drawTo(x, y);\n\t} else {\n\t ctr++;\n\t if (ctr >= speed) {\n\t\tptr = (ptr+1) & (scopePointCount-1);\n\t\tminV[ptr] = maxV[ptr] = v;\n\t\tminI[ptr] = maxI[ptr] = i;\n\t\tctr = 0;\n\t }\n\t}\n }\n\n void drawTo(int x2, int y2) {\n\tif (draw_ox == -1) {\n\t draw_ox = x2;\n\t draw_oy = y2;\n\t}\n\t// need to draw a line from x1,y1 to x2,y2\n\tif (draw_ox == x2 && draw_oy == y2) {\n\t dpixels[x2+rect.width*y2] = 1;\n\t} else if (CircuitElm.abs(y2-draw_oy) > CircuitElm.abs(x2-draw_ox)) {\n\t // y difference is greater, so we step along y's\n\t // from min to max y and calculate x for each step\n\t double sgn = CircuitElm.sign(y2-draw_oy);\n\t int x, y;\n\t for (y = draw_oy; y != y2+sgn; y += sgn) {\n\t\tx = draw_ox+(x2-draw_ox)*(y-draw_oy)/(y2-draw_oy);\n\t\tdpixels[x+rect.width*y] = 1;\n\t }\n\t} else {\n\t // x difference is greater, so we step along x's\n\t // from min to max x and calculate y for each step\n\t double sgn = CircuitElm.sign(x2-draw_ox);\n\t int x, y;\n\t for (x = draw_ox; x != x2+sgn; x += sgn) {\n\t\ty = draw_oy+(y2-draw_oy)*(x-draw_ox)/(x2-draw_ox);\n\t\tdpixels[x+rect.width*y] = 1;\n\t }\n\t}\n\tdraw_ox = x2;\n\tdraw_oy = y2;\n }\n\t\n void clear2dView() {\n\tint i;\n\tfor (i = 0; i != dpixels.length; i++)\n\t dpixels[i] = 0;\n\tdraw_ox = draw_oy = -1;\n }\n\t\n void adjustScale(double x) {\n\tminMaxV *= x;\n\tminMaxI *= x;\n }\n\n void draw2d(Graphics g) {\n\tint i;\n\tif (pixels == null || dpixels == null)\n\t return;\n\tint col = (sim.printableCheckItem.getState()) ? 0xFFFFFFFF : 0;\n\tfor (i = 0; i != pixels.length; i++)\n\t pixels[i] = col;\n\tfor (i = 0; i != rect.width; i++)\n\t pixels[i+rect.width*(rect.height/2)] = 0xFF00FF00;\n\tint ycol = (plotXY) ? 0xFF00FF00 : 0xFFFFFF00;\n\tfor (i = 0; i != rect.height; i++)\n\t pixels[rect.width/2+rect.width*i] = ycol;\n\tfor (i = 0; i != pixels.length; i++) {\n\t int q = (int) (255*dpixels[i]);\n\t if (q > 0)\n\t\tpixels[i] = 0xFF000000 | (0x10101*q);\n\t dpixels[i] *= .997;\n\t}\n\tg.drawImage(image, rect.x, rect.y, null);\n\tg.setColor(elm.whiteColor);\n\tg.fillOval(rect.x+draw_ox-2, rect.y+draw_oy-2, 5, 5);\n\tint yt = rect.y+10;\n\tint x = rect.x;\n\tif (text != null && rect.y + rect.height > yt+5) {\n\t g.drawString(text, x, yt);\n\t yt += 15;\n\t}\n }\n\t\n void draw(Graphics g) {\n\tif (elm == null)\n\t return;\n\tif (plot2d) {\n\t draw2d(g);\n\t return;\n\t}\n\tif (pixels == null)\n\t return;\n\tint i;\n\tint col = (sim.printableCheckItem.getState()) ? 0xFFFFFFFF : 0;\n\tfor (i = 0; i != pixels.length; i++)\n\t pixels[i] = col;\n\tint x = 0;\n\tint maxy = (rect.height-1)/2;\n\tint y = maxy;\n\n\tboolean gotI = false;\n\tboolean gotV = false;\n\tint minRange = 4;\n\tdouble realMaxV = -1e8;\n\tdouble realMaxI = -1e8;\n\tdouble realMinV = 1e8;\n\tdouble realMinI = 1e8;\n\tint curColor = 0xFFFFFF00;\n\tint voltColor = (value > 0) ? 0xFFFFFFFF : 0xFF00FF00;\n\tif (sim.scopeSelected == -1 && elm == sim.mouseElm)\n\t curColor = voltColor = 0xFF00FFFF;\n\tint ipa = ptr+scopePointCount-rect.width;\n\tfor (i = 0; i != rect.width; i++) {\n\t int ip = (i+ipa) & (scopePointCount-1);\n\t while (maxV[ip] > minMaxV)\n\t\tminMaxV *= 2;\n\t while (minV[ip] < -minMaxV)\n\t\tminMaxV *= 2;\n\t while (maxI[ip] > minMaxI)\n\t\tminMaxI *= 2;\n\t while (minI[ip] < -minMaxI)\n\t\tminMaxI *= 2;\n\t}\n\n\tdouble gridStep = 1e-8;\n\tdouble gridMax = (showI ? minMaxI : minMaxV);\n\twhile (gridStep*100 < gridMax)\n\t gridStep *= 10;\n\tif (maxy*gridStep/gridMax < .3)\n\t gridStep = 0;\n\t \n\tint ll;\n\tboolean sublines = (maxy*gridStep/gridMax > 3);\n\tfor (ll = -100; ll <= 100; ll++) {\n\t // don't show gridlines if plotting multiple values,\n\t // or if lines are too close together (except for center line)\n\t if (ll != 0 && ((showI && showV) || gridStep == 0))\n\t\tcontinue;\n\t int yl = maxy-(int) (maxy*ll*gridStep/gridMax);\n\t if (yl < 0 || yl >= rect.height-1)\n\t\tcontinue;\n\t col = ll == 0 ? 0xFF909090 : 0xFF404040;\n\t if (ll % 10 != 0) {\n\t\tcol = 0xFF101010;\n\t\tif (!sublines)\n\t\t continue;\n\t }\n\t for (i = 0; i != rect.width; i++)\n\t\tpixels[i+yl*rect.width] = col;\n\t}\n\n\tgridStep = 1e-15;\n\tdouble ts = sim.timeStep*speed;\n\twhile (gridStep < ts*5)\n\t gridStep *= 10;\n\tdouble tstart = sim.t-sim.timeStep*speed*rect.width;\n\tdouble tx = sim.t-(sim.t % gridStep);\n\tint first = 1;\n\tfor (ll = 0; ; ll++) {\n\t double tl = tx-gridStep*ll;\n\t int gx = (int) ((tl-tstart)/ts);\n\t if (gx < 0)\n\t\tbreak;\n\t if (gx >= rect.width)\n\t\tcontinue;\n\t if (tl < 0)\n\t\tcontinue;\n\t col = 0xFF202020;\n\t first = 0;\n\t if (((tl+gridStep/4) % (gridStep*10)) < gridStep) {\n\t\tcol = 0xFF909090;\n\t\tif (((tl+gridStep/4) % (gridStep*100)) < gridStep)\n\t\t col = 0xFF4040D0;\n\t }\n\t for (i = 0; i < pixels.length; i += rect.width)\n\t\tpixels[i+gx] = col;\n\t}\n\t \n\t// these two loops are pretty much the same, and should be\n\t// combined!\n\tif (value == 0 && showI) {\n\t int ox = -1, oy = -1;\n\t int j;\n\t for (i = 0; i != rect.width; i++) {\n\t\tint ip = (i+ipa) & (scopePointCount-1);\n\t\tint miniy = (int) ((maxy/minMaxI)*minI[ip]);\n\t\tint maxiy = (int) ((maxy/minMaxI)*maxI[ip]);\n\t\tif (maxI[ip] > realMaxI)\n\t\t realMaxI = maxI[ip];\n\t\tif (minI[ip] < realMinI)\n\t\t realMinI = minI[ip];\n\t\tif (miniy <= maxy) {\n\t\t if (miniy < -minRange || maxiy > minRange)\n\t\t\tgotI = true;\n\t\t if (ox != -1) {\n\t\t\tif (miniy == oy && maxiy == oy)\n\t\t\t continue;\n\t\t\tfor (j = ox; j != x+i; j++)\n\t\t\t pixels[j+rect.width*(y-oy)] = curColor;\n\t\t\tox = oy = -1;\n\t\t }\n\t\t if (miniy == maxiy) {\n\t\t\tox = x+i;\n\t\t\toy = miniy;\n\t\t\tcontinue;\n\t\t }\n\t\t for (j = miniy; j <= maxiy; j++)\n\t\t\tpixels[x+i+rect.width*(y-j)] = curColor;\n\t\t}\n\t }\n\t if (ox != -1)\n\t\tfor (j = ox; j != x+i; j++)\n\t\t pixels[j+rect.width*(y-oy)] = curColor;\n\t}\n\tif (value != 0 || showV) {\n\t int ox = -1, oy = -1, j;\n\t for (i = 0; i != rect.width; i++) {\n\t\tint ip = (i+ipa) & (scopePointCount-1);\n\t\tint minvy = (int) ((maxy/minMaxV)*minV[ip]);\n\t\tint maxvy = (int) ((maxy/minMaxV)*maxV[ip]);\n\t\tif (maxV[ip] > realMaxV)\n\t\t realMaxV = maxV[ip];\n\t\tif (minV[ip] < realMinV)\n\t\t realMinV = minV[ip];\n\t\tif ((value != 0 || showV) && minvy <= maxy) {\n\t\t if (minvy < -minRange || maxvy > minRange)\n\t\t\tgotV = true;\n\t\t if (ox != -1) {\n\t\t\tif (minvy == oy && maxvy == oy)\n\t\t\t continue;\n\t\t\tfor (j = ox; j != x+i; j++)\n\t\t\t pixels[j+rect.width*(y-oy)] = voltColor;\n\t\t\tox = oy = -1;\n\t\t }\n\t\t if (minvy == maxvy) {\n\t\t\tox = x+i;\n\t\t\toy = minvy;\n\t\t\tcontinue;\n\t\t }\n\t\t for (j = minvy; j <= maxvy; j++)\n\t\t\tpixels[x+i+rect.width*(y-j)] = voltColor;\n\t\t}\n\t }\n\t if (ox != -1)\n\t\tfor (j = ox; j != x+i; j++)\n\t\t pixels[j+rect.width*(y-oy)] = voltColor;\n\t}\n\tdouble freq = 0;\n\tif (showFreq) {\n\t // try to get frequency\n\t // get average\n\t double avg = 0;\n\t for (i = 0; i != rect.width; i++) {\n\t\tint ip = (i+ipa) & (scopePointCount-1);\n\t\tavg += minV[ip]+maxV[ip];\n\t }\n\t avg /= i*2;\n\t int state = 0;\n\t double thresh = avg*.05;\n\t int oi = 0;\n\t double avperiod = 0;\n\t int periodct = -1;\n\t double avperiod2 = 0;\n\t // count period lengths\n\t for (i = 0; i != rect.width; i++) {\n\t\tint ip = (i+ipa) & (scopePointCount-1);\n\t\tdouble q = maxV[ip]-avg;\n\t\tint os = state;\n\t\tif (q < thresh)\n\t\t state = 1;\n\t\telse if (q > -thresh)\n\t\t state = 2;\n\t\tif (state == 2 && os == 1) {\n\t\t int pd = i-oi;\n\t\t oi = i;\n\t\t // short periods can't be counted properly\n\t\t if (pd < 12)\n\t\t\tcontinue;\n\t\t // skip first period, it might be too short\n\t\t if (periodct >= 0) {\n\t\t\tavperiod += pd;\n\t\t\tavperiod2 += pd*pd;\n\t\t }\n\t\t periodct++;\n\t\t}\n\t }\n\t avperiod /= periodct;\n\t avperiod2 /= periodct;\n\t double periodstd = Math.sqrt(avperiod2-avperiod*avperiod);\n\t freq = 1/(avperiod*sim.timeStep*speed);\n\t // don't show freq if standard deviation is too great\n\t if (periodct < 1 || periodstd > 2)\n\t\tfreq = 0;\n\t // System.out.println(freq + \" \" + periodstd + \" \" + periodct);\n\t}\n\tg.drawImage(image, rect.x, rect.y, null);\n\tg.setColor(elm.whiteColor);\n\tint yt = rect.y+10;\n\tx += rect.x;\n\tif (showMax) {\n\t if (value != 0)\n\t\tg.drawString(elm.getUnitText(realMaxV,\n\t\t\t\t\t elm.getScopeUnits(value)),\n\t\t\t x, yt);\n\t else if (showV)\n\t\tg.drawString(elm.getVoltageText(realMaxV), x, yt);\n\t else if (showI)\n\t\tg.drawString(elm.getCurrentText(realMaxI), x, yt);\n\t yt += 15;\n\t}\n\tif (showMin) {\n\t int ym = rect.y+rect.height-5;\n\t if (value != 0)\n\t\tg.drawString(elm.getUnitText(realMinV,\n\t\t\t\t\t elm.getScopeUnits(value)),\n\t\t\t x, ym);\n\t else if (showV)\n\t\tg.drawString(elm.getVoltageText(realMinV), x, ym);\n\t else if (showI)\n\t\tg.drawString(elm.getCurrentText(realMinI), x, ym);\n\t}\n\tif (text != null && rect.y + rect.height > yt+5) {\n\t g.drawString(text, x, yt);\n\t yt += 15;\n\t}\n\tif (showFreq && freq != 0 && rect.y + rect.height > yt+5)\n\t g.drawString(elm.getUnitText(freq, \"Hz\"), x, yt);\n\tif (ptr > 5 && !lockScale) {\n\t if (!gotI && minMaxI > 1e-4)\n\t\tminMaxI /= 2;\n\t if (!gotV && minMaxV > 1e-4)\n\t\tminMaxV /= 2;\n\t}\n }\n\t\n void speedUp() {\n\tif (speed > 1) {\n\t speed /= 2;\n\t resetGraph();\n\t}\n }\n void slowDown() {\n\tspeed *= 2;\n\tresetGraph();\n }\n\t\n PopupMenu getMenu() {\n\tif (elm == null)\n\t return null;\n\tif (elm instanceof TransistorElm) {\n\t sim.scopeIbMenuItem.setState(value == VAL_IB);\n\t sim.scopeIcMenuItem.setState(value == VAL_IC);\n\t sim.scopeIeMenuItem.setState(value == VAL_IE);\n\t sim.scopeVbeMenuItem.setState(value == VAL_VBE);\n\t sim.scopeVbcMenuItem.setState(value == VAL_VBC);\n\t sim.scopeVceMenuItem.setState(value == VAL_VCE && ivalue != VAL_IC);\n\t sim.scopeVceIcMenuItem.setState(value == VAL_VCE && ivalue == VAL_IC);\n\t return sim.transScopeMenu;\n\t} else {\n\t sim.scopeVMenuItem .setState(showV && value == 0);\n\t sim.scopeIMenuItem .setState(showI && value == 0);\n\t sim.scopeMaxMenuItem .setState(showMax);\n\t sim.scopeMinMenuItem .setState(showMin);\n\t sim.scopeFreqMenuItem .setState(showFreq);\n\t sim.scopePowerMenuItem.setState(value == VAL_POWER);\n\t sim.scopeVIMenuItem .setState(plot2d && !plotXY);\n\t sim.scopeXYMenuItem .setState(plotXY);\n\t sim.scopeSelectYMenuItem.setEnabled(plotXY);\n\t sim.scopeResistMenuItem.setState(value == VAL_R);\n\t sim.scopeResistMenuItem.setEnabled(elm instanceof MemristorElm);\n\t return sim.scopeMenu;\n\t}\n }\n void setValue(int x) { reset(); value = x; }\n String dump() {\n\tif (elm == null)\n\t return null;\n\tint flags = (showI ? 1 : 0) | (showV ? 2 : 0) |\n\t (showMax ? 0 : 4) | // showMax used to be always on\n\t (showFreq ? 8 : 0) |\n\t (lockScale ? 16 : 0) | (plot2d ? 64 : 0) |\n\t (plotXY ? 128 : 0) | (showMin ? 256 : 0);\n\tflags |= FLAG_YELM; // yelm present\n\tint eno = sim.locateElm(elm);\n\tif (eno < 0)\n\t return null;\n\tint yno = yElm == null ? -1 : sim.locateElm(yElm);\n\tString x = \"o \" + eno + \" \" +\n\t speed + \" \" + value + \" \" + flags + \" \" +\n\t minMaxV + \" \" + minMaxI + \" \" + position + \" \" + yno;\n\tif (text != null)\n\t x += \" \" + text;\n\treturn x;\n }\n void undump(StringTokenizer st) {\n\treset();\n\tint e = new Integer(st.nextToken()).intValue();\n\tif (e == -1)\n\t return;\n\telm = sim.getElm(e);\n\tspeed = new Integer(st.nextToken()).intValue();\n\tvalue = new Integer(st.nextToken()).intValue();\n\tint flags = new Integer(st.nextToken()).intValue();\n\tminMaxV = new Double(st.nextToken()).doubleValue();\n\tminMaxI = new Double(st.nextToken()).doubleValue();\n\tif (minMaxV == 0)\n\t minMaxV = .5;\n\tif (minMaxI == 0)\n\t minMaxI = 1;\n\ttext = null;\n\tyElm = null;\n\ttry {\n\t position = new Integer(st.nextToken()).intValue();\n\t int ye = -1;\n\t if ((flags & FLAG_YELM) != 0) {\n\t\tye = new Integer(st.nextToken()).intValue();\n\t\tif (ye != -1)\n\t\t yElm = sim.getElm(ye);\n\t }\n\t while (st.hasMoreTokens()) {\n\t\tif (text == null)\n\t\t text = st.nextToken();\n\t\telse\n\t\t text += \" \" + st.nextToken();\n\t }\n\t} catch (Exception ee) {\n\t}\n\tshowI = (flags & 1) != 0;\n\tshowV = (flags & 2) != 0;\n\tshowMax = (flags & 4) == 0;\n\tshowFreq = (flags & 8) != 0;\n\tlockScale = (flags & 16) != 0;\n\tplot2d = (flags & 64) != 0;\n\tplotXY = (flags & 128) != 0;\n\tshowMin = (flags & 256) != 0;\n }\n void allocImage() {\n\tpixels = null;\n\tint w = rect.width;\n\tint h = rect.height;\n\tif (w == 0 || h == 0)\n\t return;\n\tif (sim.useBufferedImage) {\n\t try {\n\t\t/* simulate the following code using reflection:\n\t\t dbimage = new BufferedImage(d.width, d.height,\n\t\t BufferedImage.TYPE_INT_RGB);\n\t\t DataBuffer db = (DataBuffer)(((BufferedImage)dbimage).\n\t\t getRaster().getDataBuffer());\n\t\t DataBufferInt dbi = (DataBufferInt) db;\n\t\t pixels = dbi.getData();\n\t\t*/\n\t\tClass biclass = Class.forName(\"java.awt.image.BufferedImage\");\n\t\tClass dbiclass = Class.forName(\"java.awt.image.DataBufferInt\");\n\t\tClass rasclass = Class.forName(\"java.awt.image.Raster\");\n\t\tConstructor cstr = biclass.getConstructor(\n\t\t new Class[] { int.class, int.class, int.class });\n\t\timage = (Image) cstr.newInstance(new Object[] {\n\t\t\t\t\t\t new Integer(w), new Integer(h),\n\t\t\t\t\t\t new Integer(BufferedImage.TYPE_INT_RGB)});\n\t\tMethod m = biclass.getMethod(\"getRaster\");\n\t\tObject ras = m.invoke(image);\n\t\tObject db = rasclass.getMethod(\"getDataBuffer\").invoke(ras);\n\t\tpixels = (int[])\n\t\t dbiclass.getMethod(\"getData\").invoke(db);\n\t } catch (Exception ee) {\n\t\t// ee.printStackTrace();\n\t\tSystem.out.println(\"BufferedImage failed\");\n\t }\n\t}\n\tif (pixels == null) {\n\t pixels = new int[w*h];\n\t int i;\n\t for (i = 0; i != w*h; i++)\n\t\tpixels[i] = 0xFF000000;\n\t imageSource = new MemoryImageSource(w, h, pixels, 0, w);\n\t imageSource.setAnimated(true);\n\t imageSource.setFullBufferUpdates(true);\n\t image = sim.cv.createImage(imageSource);\n\t}\n\tdpixels = new float[w*h];\n\tdraw_ox = draw_oy = -1;\n }\n\n void handleMenu(ItemEvent e, Object mi) {\n\tif (mi == sim.scopeVMenuItem)\n\t showVoltage(sim.scopeVMenuItem.getState());\n\tif (mi == sim.scopeIMenuItem)\n\t showCurrent(sim.scopeIMenuItem.getState());\n\tif (mi == sim.scopeMaxMenuItem)\n\t showMax(sim.scopeMaxMenuItem.getState());\n\tif (mi == sim.scopeMinMenuItem)\n\t showMin(sim.scopeMinMenuItem.getState());\n\tif (mi == sim.scopeFreqMenuItem)\n\t showFreq(sim.scopeFreqMenuItem.getState());\n\tif (mi == sim.scopePowerMenuItem)\n\t setValue(VAL_POWER);\n\tif (mi == sim.scopeIbMenuItem)\n\t setValue(VAL_IB);\n\tif (mi == sim.scopeIcMenuItem)\n\t setValue(VAL_IC);\n\tif (mi == sim.scopeIeMenuItem)\n\t setValue(VAL_IE);\n\tif (mi == sim.scopeVbeMenuItem)\n\t setValue(VAL_VBE);\n\tif (mi == sim.scopeVbcMenuItem)\n\t setValue(VAL_VBC);\n\tif (mi == sim.scopeVceMenuItem)\n\t setValue(VAL_VCE);\n\tif (mi == sim.scopeVceIcMenuItem) {\n\t plot2d = true;\n\t plotXY = false;\n\t value = VAL_VCE;\n\t ivalue = VAL_IC;\n\t resetGraph();\n\t}\n\t\n\tif (mi == sim.scopeVIMenuItem) {\n\t plot2d = sim.scopeVIMenuItem.getState();\n\t plotXY = false;\n\t resetGraph();\n\t}\n\tif (mi == sim.scopeXYMenuItem) {\n\t plotXY = plot2d = sim.scopeXYMenuItem.getState();\n\t if (yElm == null)\n\t\tselectY();\n\t resetGraph();\n\t}\n\tif (mi == sim.scopeResistMenuItem)\n\t setValue(VAL_R);\n }\n\n void select() {\n\tsim.mouseElm = elm;\n\tif (plotXY) {\n\t sim.plotXElm = elm;\n\t sim.plotYElm = yElm;\n\t}\n }\n\n void selectY() {\n\tint e = yElm == null ? -1 : sim.locateElm(yElm);\n\tint firstE = e;\n\twhile (true) {\n\t for (e++; e < sim.elmList.size(); e++) {\n\t\tCircuitElm ce = sim.getElm(e);\n\t\tif ((ce instanceof OutputElm || ce instanceof ProbeElm) &&\n\t\t ce != elm) {\n\t\t yElm = ce;\n\t\t return;\n\t\t}\n\t }\n\t if (firstE == -1)\n\t\treturn;\n\t e = firstE = -1;\n\t}\n }\n}\n" }, { "path": "src/SevenSegElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class SevenSegElm extends ChipElm {\n\tpublic SevenSegElm(int xx, int yy) { super(xx, yy); }\n\tpublic SevenSegElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t}\n\tString getChipName() { return \"7-segment driver/display\"; }\n\tColor darkred;\n\tvoid setupPins() {\n\t darkred = new Color(30, 0, 0);\n\t sizeX = 4;\n\t sizeY = 4;\n\t pins = new Pin[7];\n\t pins[0] = new Pin(0, SIDE_W, \"a\");\n\t pins[1] = new Pin(1, SIDE_W, \"b\");\n\t pins[2] = new Pin(2, SIDE_W, \"c\");\n\t pins[3] = new Pin(3, SIDE_W, \"d\");\n\t pins[4] = new Pin(1, SIDE_S, \"e\");\n\t pins[5] = new Pin(2, SIDE_S, \"f\");\n\t pins[6] = new Pin(3, SIDE_S, \"g\");\n\t}\n\tvoid draw(Graphics g) {\n\t drawChip(g);\n\t g.setColor(Color.red);\n\t int xl = x+cspc*5;\n\t int yl = y+cspc;\n\t setColor(g, 0);\n\t drawThickLine(g, xl, yl, xl+cspc, yl);\n\t setColor(g, 1);\n\t drawThickLine(g, xl+cspc, yl, xl+cspc, yl+cspc);\n\t setColor(g, 2);\n\t drawThickLine(g, xl+cspc, yl+cspc, xl+cspc, yl+cspc2);\n\t setColor(g, 3);\n\t drawThickLine(g, xl, yl+cspc2, xl+cspc, yl+cspc2);\n\t setColor(g, 4);\n\t drawThickLine(g, xl, yl+cspc, xl, yl+cspc2);\n\t setColor(g, 5);\n\t drawThickLine(g, xl, yl, xl, yl+cspc);\n\t setColor(g, 6);\n\t drawThickLine(g, xl, yl+cspc, xl+cspc, yl+cspc);\n\t}\n\tvoid setColor(Graphics g, int p) {\n\t g.setColor(pins[p].value ? Color.red :\n\t\t sim.printableCheckItem.getState() ? Color.white : darkred);\n\t}\n\tint getPostCount() { return 7; }\n\tint getVoltageSourceCount() { return 0; }\n\tint getDumpType() { return 157; }\n }\n" }, { "path": "src/SparkGapElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass SparkGapElm extends CircuitElm {\n double resistance, onresistance, offresistance, breakdown, holdcurrent;\n boolean state;\n public SparkGapElm(int xx, int yy) {\n\tsuper(xx, yy);\n\toffresistance = 1e9;\n\tonresistance = 1e3;\n\tbreakdown = 1e3;\n\tholdcurrent = 0.001;\n\tstate = false;\n }\n public SparkGapElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tonresistance = new Double(st.nextToken()).doubleValue();\n\toffresistance = new Double(st.nextToken()).doubleValue();\n\tbreakdown = new Double(st.nextToken()).doubleValue();\n\tholdcurrent = new Double(st.nextToken()).doubleValue();\n }\n boolean nonLinear() {return true;}\n int getDumpType() { return 187; }\n String dump() {\n\treturn super.dump() + \" \" + onresistance + \" \" + offresistance + \" \"\n\t + breakdown + \" \" + holdcurrent;\n }\n Polygon arrow1, arrow2;\n void setPoints() {\n\tsuper.setPoints();\n\tint dist = 16;\n\tint alen = 8;\n\tcalcLeads(dist+alen);\n\tPoint p1 = interpPoint(point1, point2, (dn-alen)/(2*dn));\n\tarrow1 = calcArrow(point1, p1, alen, alen);\n\tp1 = interpPoint(point1, point2, (dn+alen)/(2*dn));\n\tarrow2 = calcArrow(point2, p1, alen, alen);\n }\n \n void draw(Graphics g) {\n\tint i;\n\tdouble v1 = volts[0];\n\tdouble v2 = volts[1];\n\tsetBbox(point1, point2, 8);\n\tdraw2Leads(g);\n\tsetPowerColor(g, true);\n\tsetVoltageColor(g, volts[0]);\n\tg.fillPolygon(arrow1);\n\tsetVoltageColor(g, volts[1]);\n\tg.fillPolygon(arrow2);\n\tif (state)\n\t doDots(g);\n\tdrawPosts(g);\n }\n \n void calculateCurrent() {\n\tdouble vd = volts[0] - volts[1];\n\tcurrent = vd/resistance;\n }\n\n void reset() {\n\tsuper.reset();\n\tstate = false;\n }\n\n void startIteration() {\n\tif (Math.abs(current) < holdcurrent)\n\t state = false;\n\tdouble vd = volts[0] - volts[1];\n\tif (Math.abs(vd) > breakdown)\n\t state = true;\n }\n \n void doStep() {\n\tresistance = (state) ? onresistance : offresistance;\n\tsim.stampResistor(nodes[0], nodes[1], resistance);\n }\n void stamp() {\n\tsim.stampNonLinear(nodes[0]);\n\tsim.stampNonLinear(nodes[1]);\n }\n void getInfo(String arr[]) {\n\tarr[0] = \"spark gap\";\n\tgetBasicInfo(arr);\n\tarr[3] = state ? \"on\" : \"off\";\n\tarr[4] = \"Ron = \" + getUnitText(onresistance, sim.ohmString);\n\tarr[5] = \"Roff = \" + getUnitText(offresistance, sim.ohmString);\n\tarr[6] = \"Vbreakdown = \" + getUnitText(breakdown, \"V\");\n }\n public EditInfo getEditInfo(int n) {\n\t// ohmString doesn't work here on linux\n\tif (n == 0)\n\t return new EditInfo(\"On resistance (ohms)\", onresistance, 0, 0);\n\tif (n == 1)\n\t return new EditInfo(\"Off resistance (ohms)\", offresistance, 0, 0);\n\tif (n == 2)\n\t return new EditInfo(\"Breakdown voltage\", breakdown, 0, 0);\n\tif (n == 3)\n\t return new EditInfo(\"Holding current (A)\", holdcurrent, 0, 0);\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (ei.value > 0 && n == 0)\n\t onresistance = ei.value;\n\tif (ei.value > 0 && n == 1)\n\t offresistance = ei.value;\n\tif (ei.value > 0 && n == 2)\n\t breakdown = ei.value;\n\tif (ei.value > 0 && n == 3)\n\t holdcurrent = ei.value;\n }\n}\n\n" }, { "path": "src/SquareRailElm.java", "content": " class SquareRailElm extends RailElm {\n\tpublic SquareRailElm(int xx, int yy) { super(xx, yy, WF_SQUARE); }\n\tClass getDumpClass() { return RailElm.class; }\n\tint getShortcut() { return 0; }\n }\n" }, { "path": "src/SweepElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass SweepElm extends CircuitElm {\n double maxV, maxF, minF, sweepTime, frequency;\n final int FLAG_LOG = 1;\n final int FLAG_BIDIR = 2;\n\t\n public SweepElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tminF = 20; maxF = 4000;\n\tmaxV = 5;\n\tsweepTime = .1;\n\tflags = FLAG_BIDIR;\n\treset();\n }\n public SweepElm(int xa, int ya, int xb, int yb, int f, StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tminF = new Double(st.nextToken()).doubleValue();\n\tmaxF = new Double(st.nextToken()).doubleValue();\n\tmaxV = new Double(st.nextToken()).doubleValue();\n\tsweepTime = new Double(st.nextToken()).doubleValue();\n\treset();\n }\n int getDumpType() { return 170; }\n int getPostCount() { return 1; }\n final int circleSize = 17;\n\n String dump() {\n\treturn super.dump() + \" \" + minF + \" \" + maxF + \" \" + maxV + \" \" +\n\t sweepTime;\n }\n void setPoints() {\n\tsuper.setPoints();\n\tlead1 = interpPoint(point1, point2, 1-circleSize/dn);\n }\n void draw(Graphics g) {\n\tsetBbox(point1, point2, circleSize);\n\tsetVoltageColor(g, volts[0]);\n\tdrawThickLine(g, point1, lead1);\n\tg.setColor(needsHighlight() ? selectColor : Color.gray);\n\tsetPowerColor(g, false);\n\tint xc = point2.x; int yc = point2.y;\n\tdrawThickCircle(g, xc, yc, circleSize);\n\tint wl = 8;\n\tadjustBbox(xc-circleSize, yc-circleSize,\n\t\t xc+circleSize, yc+circleSize);\n\tint i;\n\tint xl = 10;\n\tint ox = -1, oy = -1;\n\tlong tm = System.currentTimeMillis();\n\t//double w = (this == mouseElm ? 3 : 2);\n\ttm %= 2000;\n\tif (tm > 1000)\n\t tm = 2000-tm;\n\tdouble w = 1+tm*.002;\n\tif (!sim.stoppedCheck.getState())\n\t w = 1+2*(frequency-minF)/(maxF-minF);\n\tfor (i = -xl; i <= xl; i++) {\n\t int yy = yc+(int) (.95*Math.sin(i*pi*w/xl)*wl);\n\t if (ox != -1)\n\t\tdrawThickLine(g, ox, oy, xc+i, yy);\n\t ox = xc+i; oy = yy;\n\t}\n\tif (sim.showValuesCheckItem.getState()) {\n\t String s = getShortUnitText(frequency, \"Hz\");\n\t if (dx == 0 || dy == 0)\n\t\tdrawValues(g, s, circleSize);\n\t}\n\t \n\tdrawPosts(g);\n\tcurcount = updateDotCount(-current, curcount);\n\tif (sim.dragElm != this)\n\t drawDots(g, point1, lead1, curcount);\n }\n\t\n void stamp() {\n\tsim.stampVoltageSource(0, nodes[0], voltSource);\n }\n double fadd, fmul, freqTime, savedTimeStep;\n int dir = 1;\n void setParams() {\n\tif (frequency < minF || frequency > maxF) {\n\t frequency = minF;\n\t freqTime = 0;\n\t dir = 1;\n\t}\n\tif ((flags & FLAG_LOG) == 0) {\n\t fadd = dir*sim.timeStep*(maxF-minF)/sweepTime;\n\t fmul = 1;\n\t} else {\n\t fadd = 0;\n\t fmul = Math.pow(maxF/minF, dir*sim.timeStep/sweepTime);\n\t}\n\tsavedTimeStep = sim.timeStep;\n }\n void reset() {\n\tfrequency = minF;\n\tfreqTime = 0;\n\tdir = 1;\n\tsetParams();\n }\n double v;\n void startIteration() {\n\t// has timestep been changed?\n\tif (sim.timeStep != savedTimeStep)\n\t setParams();\n\tv = Math.sin(freqTime)*maxV;\n\tfreqTime += frequency*2*pi*sim.timeStep;\n\tfrequency = frequency*fmul+fadd;\n\tif (frequency >= maxF && dir == 1) {\n\t if ((flags & FLAG_BIDIR) != 0) {\n\t\tfadd = -fadd;\n\t\tfmul = 1/fmul;\n\t\tdir = -1;\n\t } else\n\t\tfrequency = minF;\n\t}\n\tif (frequency <= minF && dir == -1) {\n\t fadd = -fadd;\n\t fmul = 1/fmul;\n\t dir = 1;\n\t}\n }\n void doStep() {\n\tsim.updateVoltageSource(0, nodes[0], voltSource, v);\n }\n\t\n double getVoltageDiff() { return volts[0]; }\n int getVoltageSourceCount() { return 1; }\n boolean hasGroundConnection(int n1) { return true; }\n void getInfo(String arr[]) {\n\tarr[0] = \"sweep \" + (((flags & FLAG_LOG) == 0) ? \"(linear)\" : \"(log)\");\n\tarr[1] = \"I = \" + getCurrentDText(getCurrent());\n\tarr[2] = \"V = \" + getVoltageText(volts[0]);\n\tarr[3] = \"f = \" + getUnitText(frequency, \"Hz\");\n\tarr[4] = \"range = \" + getUnitText(minF, \"Hz\") + \" .. \" +\n\t getUnitText(maxF, \"Hz\");\n\tarr[5] = \"time = \" + getUnitText(sweepTime, \"s\");\n }\n public EditInfo getEditInfo(int n) {\n\tif (n == 0)\n\t return new EditInfo(\"Min Frequency (Hz)\", minF, 0, 0);\n\tif (n == 1)\n\t return new EditInfo(\"Max Frequency (Hz)\", maxF, 0, 0);\n\tif (n == 2)\n\t return new EditInfo(\"Sweep Time (s)\", sweepTime, 0, 0);\n\tif (n == 3) {\n\t EditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t ei.checkbox = new Checkbox(\"Logarithmic\", (flags & FLAG_LOG) != 0);\n\t return ei;\n\t}\n\tif (n == 4)\n\t return new EditInfo(\"Max Voltage\", maxV, 0, 0);\n\tif (n == 5) {\n\t EditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t ei.checkbox = new Checkbox(\"Bidirectional\", (flags & FLAG_BIDIR) != 0);\n\t return ei;\n\t}\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tdouble maxfreq = 1/(8*sim.timeStep);\n\tif (n == 0) {\n\t minF = ei.value;\n\t if (minF > maxfreq)\n\t\tminF = maxfreq;\n\t}\n\tif (n == 1) {\n\t maxF = ei.value;\n\t if (maxF > maxfreq)\n\t\tmaxF = maxfreq;\n\t}\n\tif (n == 2)\n\t sweepTime = ei.value;\n\tif (n == 3) {\n\t flags &= ~FLAG_LOG;\n\t if (ei.checkbox.getState())\n\t\tflags |= FLAG_LOG;\n\t}\n\tif (n == 4)\n\t maxV = ei.value;\n\tif (n == 5) {\n\t flags &= ~FLAG_BIDIR;\n\t if (ei.checkbox.getState())\n\t\tflags |= FLAG_BIDIR;\n\t}\n\tsetParams();\n }\n}\n \n" }, { "path": "src/Switch2Elm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class Switch2Elm extends SwitchElm {\n\tint link;\n\tstatic final int FLAG_CENTER_OFF = 1;\n\t\n\tpublic Switch2Elm(int xx, int yy) {\n\t super(xx, yy, false);\n\t noDiagonal = true;\n\t}\n\tSwitch2Elm(int xx, int yy, boolean mm) {\n\t super(xx, yy, mm);\n\t noDiagonal = true;\n\t}\n\tpublic Switch2Elm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t link = new Integer(st.nextToken()).intValue();\n\t noDiagonal = true;\n\t}\n\tint getDumpType() { return 'S'; }\n\tString dump() {\n\t return super.dump() + \" \" + link;\n\t}\n\n\tfinal int openhs = 16;\n\tPoint swposts[], swpoles[];\n\tvoid setPoints() {\n\t super.setPoints();\n\t calcLeads(32);\n\t swposts = newPointArray(2);\n\t swpoles = newPointArray(3);\n\t interpPoint2(lead1, lead2, swpoles[0], swpoles[1], 1, openhs);\n\t swpoles[2] = lead2;\n\t interpPoint2(point1, point2, swposts[0], swposts[1], 1, openhs);\n\t posCount = hasCenterOff() ? 3 : 2;\n\t}\n\t\n\tvoid draw(Graphics g) {\n\t setBbox(point1, point2, openhs);\n\n\t // draw first lead\n\t setVoltageColor(g, volts[0]);\n\t drawThickLine(g, point1, lead1);\n\n\t // draw second lead\n\t setVoltageColor(g, volts[1]);\n\t drawThickLine(g, swpoles[0], swposts[0]);\n\t \n\t // draw third lead\n\t setVoltageColor(g, volts[2]);\n\t drawThickLine(g, swpoles[1], swposts[1]);\n\n\t // draw switch\n\t if (!needsHighlight())\n\t\tg.setColor(whiteColor);\n\t drawThickLine(g, lead1, swpoles[position]);\n\t \n\t updateDotCount();\n\t drawDots(g, point1, lead1, curcount);\n\t if (position != 2)\n\t\tdrawDots(g, swpoles[position], swposts[position], curcount);\n\t drawPosts(g);\n\t}\n\tPoint getPost(int n) {\n\t return (n == 0) ? point1 : swposts[n-1];\n\t}\n\tint getPostCount() { return 3; }\n\tvoid calculateCurrent() {\n\t if (position == 2)\n\t\tcurrent = 0;\n\t}\n\tvoid stamp() {\n\t if (position == 2) // in center?\n\t\treturn;\n\t sim.stampVoltageSource(nodes[0], nodes[position+1], voltSource, 0);\n\t}\n\tint getVoltageSourceCount() {\n\t return (position == 2) ? 0 : 1;\n\t}\n\tvoid toggle() {\n\t super.toggle();\n\t if (link != 0) {\n\t\tint i;\n\t\tfor (i = 0; i != sim.elmList.size(); i++) {\n\t\t Object o = sim.elmList.elementAt(i);\n\t\t if (o instanceof Switch2Elm) {\n\t\t\tSwitch2Elm s2 = (Switch2Elm) o;\n\t\t\tif (s2.link == link)\n\t\t\t s2.position = position;\n\t\t }\n\t\t}\n\t }\n\t}\n\tboolean getConnection(int n1, int n2) {\n\t if (position == 2)\n\t\treturn false;\n\t return comparePair(n1, n2, 0, 1+position);\n\t}\n\tvoid getInfo(String arr[]) {\n\t arr[0] = (link == 0) ? \"switch (SPDT)\" : \"switch (DPDT)\";\n\t arr[1] = \"I = \" + getCurrentDText(getCurrent());\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 1) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Center Off\", hasCenterOff());\n\t\treturn ei;\n\t }\n\t return super.getEditInfo(n);\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 1) {\n\t\tflags &= ~FLAG_CENTER_OFF;\n\t\tif (ei.checkbox.getState())\n\t\t flags |= FLAG_CENTER_OFF;\n\t\tif (hasCenterOff())\n\t\t momentary = false;\n\t\tsetPoints();\n\t } else\n\t\tsuper.setEditValue(n, ei);\n\t}\n\tboolean hasCenterOff() { return (flags & FLAG_CENTER_OFF) != 0; }\n\tint getShortcut() { return 'S'; }\n }\n" }, { "path": "src/SwitchElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass SwitchElm extends CircuitElm {\n boolean momentary;\n // position 0 == closed, position 1 == open\n int position, posCount;\n public SwitchElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tmomentary = false;\n\tposition = 0;\n\tposCount = 2;\n }\n SwitchElm(int xx, int yy, boolean mm) {\n\tsuper(xx, yy);\n\tposition = (mm) ? 1 : 0;\n\tmomentary = mm;\n\tposCount = 2;\n }\n public SwitchElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tString str = st.nextToken();\n\tif (str.compareTo(\"true\") == 0)\n\t position = (this instanceof LogicInputElm) ? 0 : 1;\n\telse if (str.compareTo(\"false\") == 0)\n\t position = (this instanceof LogicInputElm) ? 1 : 0;\n\telse\n\t position = new Integer(str).intValue();\n\tmomentary = new Boolean(st.nextToken()).booleanValue();\n\tposCount = 2;\n }\n int getDumpType() { return 's'; }\n String dump() {\n\treturn super.dump() + \" \" + position + \" \" + momentary;\n }\n\n Point ps, ps2;\n void setPoints() {\n\tsuper.setPoints();\n\tcalcLeads(32);\n\tps = new Point();\n\tps2 = new Point();\n }\n\t\n void draw(Graphics g) {\n\tint openhs = 16;\n\tint hs1 = (position == 1) ? 0 : 2;\n\tint hs2 = (position == 1) ? openhs : 2;\n\tsetBbox(point1, point2, openhs);\n\n\tdraw2Leads(g);\n\t \n\tif (position == 0)\n\t doDots(g);\n\t \n\tif (!needsHighlight())\n\t g.setColor(whiteColor);\n\tinterpPoint(lead1, lead2, ps, 0, hs1);\n\tinterpPoint(lead1, lead2, ps2, 1, hs2);\n\t \n\tdrawThickLine(g, ps, ps2);\n\tdrawPosts(g);\n }\n void calculateCurrent() {\n\tif (position == 1)\n\t current = 0;\n }\n void stamp() {\n\tif (position == 0)\n\t sim.stampVoltageSource(nodes[0], nodes[1], voltSource, 0);\n }\n int getVoltageSourceCount() {\n\treturn (position == 1) ? 0 : 1;\n }\n void mouseUp() {\n\tif (momentary)\n\t toggle();\n }\n void toggle() {\n\tposition++;\n\tif (position >= posCount)\n\t position = 0;\n }\n void getInfo(String arr[]) {\n\tarr[0] = (momentary) ? \"push switch (SPST)\" : \"switch (SPST)\";\n\tif (position == 1) {\n\t arr[1] = \"open\";\n\t arr[2] = \"Vd = \" + getVoltageDText(getVoltageDiff());\n\t} else {\n\t arr[1] = \"closed\";\n\t arr[2] = \"V = \" + getVoltageText(volts[0]);\n\t arr[3] = \"I = \" + getCurrentDText(getCurrent());\n\t}\n }\n boolean getConnection(int n1, int n2) { return position == 0; }\n boolean isWire() { return true; }\n public EditInfo getEditInfo(int n) {\n\tif (n == 0) {\n\t EditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t ei.checkbox = new Checkbox(\"Momentary Switch\", momentary);\n\t return ei;\n\t}\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (n == 0)\n\t momentary = ei.checkbox.getState();\n }\n int getShortcut() { return 's'; }\n}\n" }, { "path": "src/TappedTransformerElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class TappedTransformerElm extends CircuitElm {\n\tdouble inductance, ratio;\n\tPoint ptEnds[], ptCoil[], ptCore[];\n\tdouble current[], curcount[];\n\tpublic TappedTransformerElm(int xx, int yy) {\n\t super(xx, yy);\n\t inductance = 4;\n\t ratio = 1;\n\t noDiagonal = true;\n\t current = new double[4];\n\t curcount = new double[4];\n\t voltdiff = new double[3];\n\t curSourceValue = new double[3];\n\t a = new double[9];\n\t}\n\tpublic TappedTransformerElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t inductance = new Double(st.nextToken()).doubleValue();\n\t ratio = new Double(st.nextToken()).doubleValue();\n\t current = new double[4];\n\t curcount = new double[4];\n\t current[0] = new Double(st.nextToken()).doubleValue();\n\t current[1] = new Double(st.nextToken()).doubleValue();\n\t try {\n\t\tcurrent[2] = new Double(st.nextToken()).doubleValue();\n\t } catch (Exception e) { }\n\t voltdiff = new double[3];\n\t curSourceValue = new double[3];\n\t noDiagonal = true;\n\t a = new double[9];\n\t}\n\tint getDumpType() { return 169; }\n\tString dump() {\n\t return super.dump() + \" \" + inductance + \" \" + ratio + \" \" +\n\t\tcurrent[0] + \" \" + current[1] + \" \" + current[2];\n\t}\n\tvoid draw(Graphics g) {\n\t int i;\n\t for (i = 0; i != 5; i++) {\n\t\tsetVoltageColor(g, volts[i]);\n\t\tdrawThickLine(g, ptEnds[i], ptCoil[i]);\n\t }\n\t for (i = 0; i != 4; i++) {\n\t\tif (i == 1)\n\t\t continue;\n\t\tsetPowerColor(g, current[i]*(volts[i]-volts[i+1]));\n\t\tdrawCoil(g, i > 1 ? -6 : 6,\n\t\t\t ptCoil[i], ptCoil[i+1], volts[i], volts[i+1]);\n\t }\n\t g.setColor(needsHighlight() ? selectColor : lightGrayColor);\n\t for (i = 0; i != 4; i += 2) {\n\t\tdrawThickLine(g, ptCore[i], ptCore[i+1]);\n\t }\n\t // calc current of tap wire\n\t current[3] = current[1]-current[2];\n\t for (i = 0; i != 4; i++)\n\t\tcurcount[i] = updateDotCount(current[i], curcount[i]);\n\n\t // primary dots\n\t drawDots(g, ptEnds[0], ptCoil[0], curcount[0]);\n\t drawDots(g, ptCoil[0], ptCoil[1], curcount[0]);\n\t drawDots(g, ptCoil[1], ptEnds[1], curcount[0]);\n\n\t // secondary dots\n\t drawDots(g, ptEnds[2], ptCoil[2], curcount[1]);\n\t drawDots(g, ptCoil[2], ptCoil[3], curcount[1]);\n\t drawDots(g, ptCoil[3], ptEnds[3], curcount[3]);\n\t drawDots(g, ptCoil[3], ptCoil[4], curcount[2]);\n\t drawDots(g, ptCoil[4], ptEnds[4], curcount[2]);\n\t \n\t drawPosts(g);\n\t setBbox(ptEnds[0], ptEnds[4], 0);\n\t}\n\t\n\tvoid setPoints() {\n\t super.setPoints();\n\t int hs = 32;\n\t ptEnds = newPointArray(5);\n\t ptCoil = newPointArray(5);\n\t ptCore = newPointArray(4);\n\t ptEnds[0] = point1;\n\t ptEnds[2] = point2;\n\t interpPoint(point1, point2, ptEnds[1], 0, -hs*2);\n\t interpPoint(point1, point2, ptEnds[3], 1, -hs);\n\t interpPoint(point1, point2, ptEnds[4], 1, -hs*2);\n\t double ce = .5-12/dn;\n\t double cd = .5-2/dn;\n\t int i;\n\t interpPoint(ptEnds[0], ptEnds[2], ptCoil[0], ce);\n\t interpPoint(ptEnds[0], ptEnds[2], ptCoil[1], ce, -hs*2);\n\t interpPoint(ptEnds[0], ptEnds[2], ptCoil[2], 1-ce);\n\t interpPoint(ptEnds[0], ptEnds[2], ptCoil[3], 1-ce, -hs);\n\t interpPoint(ptEnds[0], ptEnds[2], ptCoil[4], 1-ce, -hs*2);\n\t for (i = 0; i != 2; i++) {\n\t\tint b = -hs*i*2;\n\t\tinterpPoint(ptEnds[0], ptEnds[2], ptCore[i], cd, b);\n\t\tinterpPoint(ptEnds[0], ptEnds[2], ptCore[i+2], 1-cd, b);\n\t }\n\t}\n\tPoint getPost(int n) {\n\t return ptEnds[n];\n\t}\n\tint getPostCount() { return 5; }\n\tvoid reset() {\n\t current[0] = current[1] = volts[0] = volts[1] = volts[2] =\n\t\tvolts[3] = curcount[0] = curcount[1] = 0;\n\t}\n\tdouble a[];\n\tvoid stamp() {\n\t // equations for transformer:\n\t // v1 = L1 di1/dt + M1 di2/dt + M1 di3/dt\n\t // v2 = M1 di1/dt + L2 di2/dt + M2 di3/dt\n\t // v3 = M1 di1/dt + M2 di2/dt + L2 di3/dt\n\t // we invert that to get:\n\t // di1/dt = a1 v1 + a2 v2 + a3 v3\n\t // di2/dt = a4 v1 + a5 v2 + a6 v3\n\t // di3/dt = a7 v1 + a8 v2 + a9 v3\n\t // integrate di1/dt using trapezoidal approx and we get:\n\t // i1(t2) = i1(t1) + dt/2 (i1(t1) + i1(t2))\n\t // = i1(t1) + a1 dt/2 v1(t1)+a2 dt/2 v2(t1)+a3 dt/2 v3(t3) +\n\t // a1 dt/2 v1(t2)+a2 dt/2 v2(t2)+a3 dt/2 v3(t3)\n\t // the norton equivalent of this for i1 is:\n\t // a. current source, I = i1(t1) + a1 dt/2 v1(t1) + a2 dt/2 v2(t1)\n\t // + a3 dt/2 v3(t1)\n\t // b. resistor, G = a1 dt/2\n\t // c. current source controlled by voltage v2, G = a2 dt/2\n\t // d. current source controlled by voltage v3, G = a3 dt/2\n\t // and similarly for i2\n\t // \n\t // first winding goes from node 0 to 1, second is from 2 to 3 to 4\n\t double l1 = inductance;\n\t // second winding is split in half, so each part has half the turns;\n\t // we square the 1/2 to divide by 4\n\t double l2 = inductance*ratio*ratio/4;\n\t double cc = .99;\n\t //double m1 = .999*Math.sqrt(l1*l2);\n\t // mutual inductance between two halves of the second winding\n\t // is equal to self-inductance of either half (slightly less\n\t // because the coupling is not perfect)\n\t //double m2 = .999*l2;\n\t // load pre-inverted matrix\n\t a[0] = (1+cc)/(l1*(1+cc-2*cc*cc));\n\t a[1] = a[2] = a[3] = a[6] = 2*cc/((2*cc*cc-cc-1)*inductance*ratio);\n\t a[4] = a[8] = -4*(1+cc)/((2*cc*cc-cc-1)*l1*ratio*ratio);\n\t a[5] = a[7] = 4*cc/((2*cc*cc-cc-1)*l1*ratio*ratio);\n\t int i;\n\t for (i = 0; i != 9; i++)\n\t\ta[i] *= sim.timeStep/2;\n\t sim.stampConductance(nodes[0], nodes[1], a[0]);\n\t sim.stampVCCurrentSource(nodes[0], nodes[1], nodes[2], nodes[3], a[1]);\n\t sim.stampVCCurrentSource(nodes[0], nodes[1], nodes[3], nodes[4], a[2]);\n\t \n\t sim.stampVCCurrentSource(nodes[2], nodes[3], nodes[0], nodes[1], a[3]);\n\t sim.stampConductance (nodes[2], nodes[3], a[4]);\n\t sim.stampVCCurrentSource(nodes[2], nodes[3], nodes[3], nodes[4], a[5]);\n\t \n\t sim.stampVCCurrentSource(nodes[3], nodes[4], nodes[0], nodes[1], a[6]);\n\t sim.stampVCCurrentSource(nodes[3], nodes[4], nodes[2], nodes[3], a[7]);\n\t sim.stampConductance (nodes[3], nodes[4], a[8]);\n\n\t for (i = 0; i != 5; i++)\n\t\tsim.stampRightSide(nodes[i]);\n\t}\n\tvoid startIteration() {\n\t voltdiff[0] = volts[0]-volts[1];\n\t voltdiff[1] = volts[2]-volts[3];\n\t voltdiff[2] = volts[3]-volts[4];\n\t int i, j;\n\t for (i = 0; i != 3; i++) {\n\t\tcurSourceValue[i] = current[i];\n\t\tfor (j = 0; j != 3; j++)\n\t\t curSourceValue[i] += a[i*3+j]*voltdiff[j];\n\t }\n\t}\n\tdouble curSourceValue[], voltdiff[];\n\tvoid doStep() {\n\t sim.stampCurrentSource(nodes[0], nodes[1], curSourceValue[0]);\n\t sim.stampCurrentSource(nodes[2], nodes[3], curSourceValue[1]);\n\t sim.stampCurrentSource(nodes[3], nodes[4], curSourceValue[2]);\n \t}\n\tvoid calculateCurrent() {\n\t voltdiff[0] = volts[0]-volts[1];\n\t voltdiff[1] = volts[2]-volts[3];\n\t voltdiff[2] = volts[3]-volts[4];\n\t int i, j;\n\t for (i = 0; i != 3; i++) {\n\t\tcurrent[i] = curSourceValue[i];\n\t\tfor (j = 0; j != 3; j++)\n\t\t current[i] += a[i*3+j]*voltdiff[j];\n\t }\n\t}\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"transformer\";\n\t arr[1] = \"L = \" + getUnitText(inductance, \"H\");\n\t arr[2] = \"Ratio = \" + ratio;\n\t //arr[3] = \"I1 = \" + getCurrentText(current1);\n\t arr[3] = \"Vd1 = \" + getVoltageText(volts[0]-volts[2]);\n\t //arr[5] = \"I2 = \" + getCurrentText(current2);\n\t arr[4] = \"Vd2 = \" + getVoltageText(volts[1]-volts[3]);\n\t}\n\tboolean getConnection(int n1, int n2) {\n\t if (comparePair(n1, n2, 0, 1))\n\t\treturn true;\n\t if (comparePair(n1, n2, 2, 3))\n\t\treturn true;\n\t if (comparePair(n1, n2, 3, 4))\n\t\treturn true;\n\t if (comparePair(n1, n2, 2, 4))\n\t\treturn true;\n\t return false;\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"Primary Inductance (H)\", inductance, .01, 5);\n\t if (n == 1)\n\t\treturn new EditInfo(\"Ratio\", ratio, 1, 10).setDimensionless();\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0)\n\t\tinductance = ei.value;\n\t if (n == 1)\n\t\tratio = ei.value;\n\t}\n }\n" }, { "path": "src/TextElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\nimport java.util.Vector;\n\nclass TextElm extends GraphicElm {\n String text;\n Vector lines;\n int size;\n final int FLAG_CENTER = 1;\n final int FLAG_BAR = 2;\n public TextElm(int xx, int yy) {\n\tsuper(xx, yy);\n\ttext = \"hello\";\n\tlines = new Vector();\n\tlines.add(text);\n\tsize = 24;\n }\n public TextElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tsize = new Integer(st.nextToken()).intValue();\n\ttext = st.nextToken();\n\twhile (st.hasMoreTokens())\n\t text += ' ' + st.nextToken();\n\tsplit();\n }\n void split() {\n\tint i;\n\tlines = new Vector();\n\tStringBuffer sb = new StringBuffer(text);\n\tfor (i = 0; i < sb.length(); i++) {\n\t char c = sb.charAt(i);\n\t if (c == '\\\\') {\n\t\tsb.deleteCharAt(i);\n\t\tc = sb.charAt(i);\n\t\tif (c == 'n') {\n\t\t lines.add(sb.substring(0, i));\n\t\t sb.delete(0, i+1);\n\t\t i = -1;\n\t\t continue;\n\t\t}\n\t }\n\t}\n\tlines.add(sb.toString());\n }\n String dump() {\n\treturn super.dump() + \" \" + size + \" \" + text;\n }\n int getDumpType() { return 'x'; }\n void drag(int xx, int yy) {\n\tx = xx;\n\ty = yy;\n\tx2 = xx+16;\n\ty2 = yy;\n }\n void draw(Graphics g) {\n\t//Graphics2D g2 = (Graphics2D)g;\n\t//g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,\n\t//\tRenderingHints.VALUE_ANTIALIAS_ON);\n\tg.setColor(needsHighlight() ? selectColor : lightGrayColor);\n\tFont f = new Font(\"SansSerif\", 0, size);\n\tg.setFont(f);\n\tFontMetrics fm = g.getFontMetrics();\n\tint i;\n\tint maxw = -1;\n\tfor (i = 0; i != lines.size(); i++) {\n\t int w = fm.stringWidth((String) (lines.elementAt(i)));\n\t if (w > maxw)\n\t\tmaxw = w;\n\t}\n\tint cury = y;\n\tsetBbox(x, y, x, y);\n\tfor (i = 0; i != lines.size(); i++) {\n\t String s = (String) (lines.elementAt(i));\n\t if ((flags & FLAG_CENTER) != 0)\n\t\tx = (sim.winSize.width-fm.stringWidth(s))/2;\n\t g.drawString(s, x, cury);\n\t if ((flags & FLAG_BAR) != 0) {\n\t\tint by = cury-fm.getAscent();\n\t\tg.drawLine(x, by, x+fm.stringWidth(s)-1, by);\n\t }\n\t adjustBbox(x, cury-fm.getAscent(),\n\t\t x+fm.stringWidth(s), cury+fm.getDescent());\n\t cury += fm.getHeight();\n\t}\n\tx2 = boundingBox.x + boundingBox.width;\n\ty2 = boundingBox.y + boundingBox.height;\n }\n public EditInfo getEditInfo(int n) {\n\tif (n == 0) {\n\t EditInfo ei = new EditInfo(\"Text\", 0, -1, -1);\n\t ei.text = text;\n\t return ei;\n\t}\n\tif (n == 1)\n\t return new EditInfo(\"Size\", size, 5, 100);\n\tif (n == 2) {\n\t EditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t ei.checkbox =\n\t\tnew Checkbox(\"Center\", (flags & FLAG_CENTER) != 0);\n\t return ei;\n\t}\n\tif (n == 3) {\n\t EditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t ei.checkbox =\n\t\tnew Checkbox(\"Draw Bar On Top\", (flags & FLAG_BAR) != 0);\n\t return ei;\n\t}\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (n == 0) {\n\t text = ei.textf.getText();\n\t split();\n\t}\n\tif (n == 1)\n\t size = (int) ei.value;\n\tif (n == 3) {\n\t if (ei.checkbox.getState())\n\t\tflags |= FLAG_BAR;\n\t else\n\t\tflags &= ~FLAG_BAR;\n\t}\n\tif (n == 2) {\n\t if (ei.checkbox.getState())\n\t\tflags |= FLAG_CENTER;\n\t else\n\t\tflags &= ~FLAG_CENTER;\n\t}\n }\n boolean isCenteredText() { return (flags & FLAG_CENTER) != 0; }\n void getInfo(String arr[]) {\n\tarr[0] = text;\n }\n @Override\n int getShortcut() { return 't'; }\n}\n\n" }, { "path": "src/ThermistorElm.java", "content": "// stub ThermistorElm based on SparkGapElm\n// FIXME need to uncomment ThermistorElm line from CirSim.java\n// FIXME need to add ThermistorElm.java to srclist\n\nimport java.awt.*;\nimport java.util.StringTokenizer;\n\nclass ThermistorElm extends CircuitElm {\n double minresistance, maxresistance;\n double resistance;\n Scrollbar slider;\n Label label;\n public ThermistorElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tmaxresistance = 1e9;\n\tminresistance = 1e3;\n\tcreateSlider();\n }\n public ThermistorElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tminresistance = new Double(st.nextToken()).doubleValue();\n\tmaxresistance = new Double(st.nextToken()).doubleValue();\n\tcreateSlider();\n }\n boolean nonLinear() {return true;}\n int getDumpType() { return 188; }\n String dump() {\n\treturn super.dump() + \" \" + minresistance + \" \" + maxresistance;\n }\n Point ps3, ps4;\n void createSlider() {\n\tsim.main.add(label = new Label(\"Temperature\", Label.CENTER));\n\tint value = 50;\n\tsim.main.add(slider = new Scrollbar(Scrollbar.HORIZONTAL, value, 1, 0, 101));\n\tsim.main.validate();\n }\n void setPoints() {\n\tsuper.setPoints();\n\tcalcLeads(32);\n\tps3 = new Point();\n\tps4 = new Point();\n }\n void delete() {\n\tsim.main.remove(label);\n\tsim.main.remove(slider);\n }\n \n void draw(Graphics g) {\n\tint i;\n\tdouble v1 = volts[0];\n\tdouble v2 = volts[1];\n\tsetBbox(point1, point2, 6);\n\tdraw2Leads(g);\n\t// FIXME need to draw properly, see ResistorElm.java\n\tsetPowerColor(g, true);\n\tdoDots(g);\n\tdrawPosts(g);\n }\n \n void calculateCurrent() {\n\tdouble vd = volts[0] - volts[1];\n\tcurrent = vd/resistance;\n }\n void startIteration() {\n\tdouble vd = volts[0] - volts[1];\n\t// FIXME set resistance as appropriate, using slider.getValue()\n\tresistance = minresistance;\n\t//System.out.print(this + \" res current set to \" + current + \"\\n\");\n }\n void doStep() {\n\tsim.stampResistor(nodes[0], nodes[1], resistance);\n }\n void stamp() {\n\tsim.stampNonLinear(nodes[0]);\n\tsim.stampNonLinear(nodes[1]);\n }\n void getInfo(String arr[]) {\n\t// FIXME\n\tarr[0] = \"spark gap\";\n\tgetBasicInfo(arr);\n\tarr[3] = \"R = \" + getUnitText(resistance, sim.ohmString);\n\tarr[4] = \"Ron = \" + getUnitText(minresistance, sim.ohmString);\n\tarr[5] = \"Roff = \" + getUnitText(maxresistance, sim.ohmString);\n }\n public EditInfo getEditInfo(int n) {\n\t// ohmString doesn't work here on linux\n\tif (n == 0)\n\t return new EditInfo(\"Min resistance (ohms)\", minresistance, 0, 0);\n\tif (n == 1)\n\t return new EditInfo(\"Max resistance (ohms)\", maxresistance, 0, 0);\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (ei.value > 0 && n == 0)\n\t minresistance = ei.value;\n\tif (ei.value > 0 && n == 1)\n\t maxresistance = ei.value;\n }\n}\n\n" }, { "path": "src/TimerElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass TimerElm extends ChipElm {\n final int FLAG_RESET = 2;\n final int N_DIS = 0;\n final int N_TRIG = 1;\n final int N_THRES = 2;\n final int N_VIN = 3;\n final int N_CTL = 4;\n final int N_OUT = 5;\n final int N_RST = 6;\n int getDefaultFlags() { return FLAG_RESET; }\n public TimerElm(int xx, int yy) { super(xx, yy); }\n public TimerElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f, st);\n }\n String getChipName() { return \"555 Timer\"; }\n void setupPins() {\n\tsizeX = 3;\n\tsizeY = 5;\n\tpins = new Pin[7];\n\tpins[N_DIS] = new Pin(1, SIDE_W, \"dis\");\n\tpins[N_TRIG] = new Pin(3, SIDE_W, \"tr\");\n\tpins[N_TRIG].lineOver = true;\n\tpins[N_THRES] = new Pin(4, SIDE_W, \"th\");\n\tpins[N_VIN] = new Pin(1, SIDE_N, \"Vin\");\n\tpins[N_CTL] = new Pin(1, SIDE_S, \"ctl\");\n\tpins[N_OUT] = new Pin(2, SIDE_E, \"out\");\n\tpins[N_OUT].output = pins[N_OUT].state = true;\n\tpins[N_RST] = new Pin(1, SIDE_E, \"rst\");\n }\n boolean nonLinear() { return true; }\n boolean hasReset() { return (flags & FLAG_RESET) != 0; }\n void stamp() {\n\t// stamp voltage divider to put ctl pin at 2/3 V\n\tsim.stampResistor(nodes[N_VIN], nodes[N_CTL], 5000);\n\tsim.stampResistor(nodes[N_CTL], 0, 10000);\n\t// output pin\n\tsim.stampVoltageSource(0, nodes[N_OUT], pins[N_OUT].voltSource);\n\t// discharge pin\n\tsim.stampNonLinear(nodes[N_DIS]);\n }\n void calculateCurrent() {\n\t// need current for V, discharge, control; output current is\n\t// calculated for us, and other pins have no current\n\tpins[N_VIN].current = (volts[N_CTL]-volts[N_VIN])/5000;\n\tpins[N_CTL].current = -volts[N_CTL]/10000 - pins[N_VIN].current;\n\tpins[N_DIS].current = (!out && !setOut) ? -volts[N_DIS]/10 : 0;\n }\n boolean setOut, out;\n void startIteration() {\n\tout = volts[N_OUT] > volts[N_VIN]/2;\n\tsetOut = false;\n\t// check comparators\n\tif (volts[N_CTL]/2 > volts[N_TRIG])\n\t setOut = out = true;\n\tif (volts[N_THRES] > volts[N_CTL] || (hasReset() && volts[N_RST] < .7))\n\t out = false;\n }\n void doStep() {\n\t// if output is low, discharge pin 0. we use a small\n\t// resistor because it's easier, and sometimes people tie\n\t// the discharge pin to the trigger and threshold pins.\n\t// We check setOut to properly emulate the case where\n\t// trigger is low and threshold is high.\n\tif (!out && !setOut)\n\t sim.stampResistor(nodes[N_DIS], 0, 10);\n\t// output\n\tsim.updateVoltageSource(0, nodes[N_OUT], pins[N_OUT].voltSource,\n\t\t\t out ? volts[N_VIN] : 0);\n }\n int getPostCount() { return hasReset() ? 7 : 6; }\n int getVoltageSourceCount() { return 1; }\n int getDumpType() { return 165; }\n}\n \n" }, { "path": "src/TransLineElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass TransLineElm extends CircuitElm {\n double delay, imped;\n double voltageL[], voltageR[];\n int lenSteps, ptr, width;\n public TransLineElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tdelay = 1000*sim.timeStep;\n\timped = 75;\n\tnoDiagonal = true;\n\treset();\n }\n public TransLineElm(int xa, int ya, int xb, int yb, int f,\n\t\t\tStringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tdelay = new Double(st.nextToken()).doubleValue();\n\timped = new Double(st.nextToken()).doubleValue();\n\twidth = new Integer(st.nextToken()).intValue();\n\t// next slot is for resistance (losses), which is not implemented\n\tst.nextToken();\n\tnoDiagonal = true;\n\treset();\n }\n int getDumpType() { return 171; }\n int getPostCount() { return 4; }\n int getInternalNodeCount() { return 2; }\n String dump() {\n\treturn super.dump() + \" \" + delay + \" \" + imped + \" \" + width + \" \" + 0.;\n }\n void drag(int xx, int yy) {\n\txx = sim.snapGrid(xx);\n\tyy = sim.snapGrid(yy);\n\tint w1 = max(sim.gridSize, abs(yy-y));\n\tint w2 = max(sim.gridSize, abs(xx-x));\n\tif (w1 > w2) {\n\t xx = x;\n\t width = w2;\n\t} else {\n\t yy = y;\n\t width = w1;\n\t}\n\tx2 = xx; y2 = yy;\n\tsetPoints();\n }\n\t\n Point posts[], inner[];\n\t\n void reset() {\n\tif (sim.timeStep == 0)\n\t return;\n\tlenSteps = (int) (delay/sim.timeStep);\n\tSystem.out.println(lenSteps + \" steps\");\n\tif (lenSteps > 100000)\n\t voltageL = voltageR = null;\n\telse {\n\t voltageL = new double[lenSteps];\n\t voltageR = new double[lenSteps];\n\t}\n\tptr = 0;\n\tsuper.reset();\n }\n void setPoints() {\n\tsuper.setPoints();\n\tint ds = (dy == 0) ? sign(dx) : -sign(dy);\n\tPoint p3 = interpPoint(point1, point2, 0, -width*ds);\n\tPoint p4 = interpPoint(point1, point2, 1, -width*ds);\n\tint sep = sim.gridSize/2;\n\tPoint p5 = interpPoint(point1, point2, 0, -(width/2-sep)*ds);\n\tPoint p6 = interpPoint(point1, point2, 1, -(width/2-sep)*ds);\n\tPoint p7 = interpPoint(point1, point2, 0, -(width/2+sep)*ds);\n\tPoint p8 = interpPoint(point1, point2, 1, -(width/2+sep)*ds);\n\t \n\t// we number the posts like this because we want the lower-numbered\n\t// points to be on the bottom, so that if some of them are unconnected\n\t// (which is often true) then the bottom ones will get automatically\n\t// attached to ground.\n\tposts = new Point[] { p3, p4, point1, point2 };\n\tinner = new Point[] { p7, p8, p5, p6 };\n }\n void draw(Graphics g) {\n\tsetBbox(posts[0], posts[3], 0);\n\tint segments = (int) (dn/2);\n\tint ix0 = ptr-1+lenSteps;\n\tdouble segf = 1./segments;\n\tint i;\n\tg.setColor(Color.darkGray);\n\tg.fillRect(inner[2].x, inner[2].y,\n\t\t inner[1].x-inner[2].x+2, inner[1].y-inner[2].y+2);\n\tfor (i = 0; i != 4; i++) {\n\t setVoltageColor(g, volts[i]);\n\t drawThickLine(g, posts[i], inner[i]);\n\t}\n\tif (voltageL != null) {\n\t for (i = 0; i != segments; i++) {\n\t\tint ix1 = (ix0-lenSteps*i/segments) % lenSteps;\n\t\tint ix2 = (ix0-lenSteps*(segments-1-i)/segments) % lenSteps;\n\t\tdouble v = (voltageL[ix1]+voltageR[ix2])/2;\n\t\tsetVoltageColor(g, v);\n\t\tinterpPoint(inner[0], inner[1], ps1, i*segf);\n\t\tinterpPoint(inner[2], inner[3], ps2, i*segf);\n\t\tg.drawLine(ps1.x, ps1.y, ps2.x, ps2.y);\n\t\tinterpPoint(inner[2], inner[3], ps1, (i+1)*segf);\n\t\tdrawThickLine(g, ps1, ps2);\n\t }\n\t}\n\tsetVoltageColor(g, volts[0]);\n\tdrawThickLine(g, inner[0], inner[1]);\n\tdrawPosts(g);\n\n\tcurCount1 = updateDotCount(-current1, curCount1);\n\tcurCount2 = updateDotCount(current2, curCount2);\n\tif (sim.dragElm != this) {\n\t drawDots(g, posts[0], inner[0], curCount1);\n\t drawDots(g, posts[2], inner[2], -curCount1);\n\t drawDots(g, posts[1], inner[1], -curCount2);\n\t drawDots(g, posts[3], inner[3], curCount2);\n\t}\n }\n\n int voltSource1, voltSource2;\n double current1, current2, curCount1, curCount2;\n void setVoltageSource(int n, int v) {\n\tif (n == 0)\n\t voltSource1 = v;\n\telse\n\t voltSource2 = v;\n }\n void setCurrent(int v, double c) {\n\tif (v == voltSource1)\n\t current1 = c;\n\telse\n\t current2 = c;\n }\n\t\n void stamp() {\n\tsim.stampVoltageSource(nodes[4], nodes[0], voltSource1);\n\tsim.stampVoltageSource(nodes[5], nodes[1], voltSource2);\n\tsim.stampResistor(nodes[2], nodes[4], imped);\n\tsim.stampResistor(nodes[3], nodes[5], imped);\n }\n\n void startIteration() {\n\t// calculate voltages, currents sent over wire\n\tif (voltageL == null) {\n\t sim.stop(\"Transmission line delay too large!\", this);\n\t return;\n\t}\n\tvoltageL[ptr] = volts[2]-volts[0] + volts[2]-volts[4];\n\tvoltageR[ptr] = volts[3]-volts[1] + volts[3]-volts[5];\n\t//System.out.println(volts[2] + \" \" + volts[0] + \" \" + (volts[2]-volts[0]) + \" \" + (imped*current1) + \" \" + voltageL[ptr]);\n\t/*System.out.println(\"sending fwd \" + currentL[ptr] + \" \" + current1);\n\t System.out.println(\"sending back \" + currentR[ptr] + \" \" + current2);*/\n\t//System.out.println(\"sending back \" + voltageR[ptr]);\n\tptr = (ptr+1) % lenSteps;\n }\n void doStep() {\n\tif (voltageL == null) {\n\t sim.stop(\"Transmission line delay too large!\", this);\n\t return;\n\t}\n\tsim.updateVoltageSource(nodes[4], nodes[0], voltSource1, -voltageR[ptr]);\n\tsim.updateVoltageSource(nodes[5], nodes[1], voltSource2, -voltageL[ptr]);\n\tif (Math.abs(volts[0]) > 1e-5 || Math.abs(volts[1]) > 1e-5) {\n\t sim.stop(\"Need to ground transmission line!\", this);\n\t return;\n\t}\n }\n\n Point getPost(int n) {\n\treturn posts[n];\n }\n\t\n //double getVoltageDiff() { return volts[0]; }\n int getVoltageSourceCount() { return 2; }\n boolean hasGroundConnection(int n1) { return false; }\n boolean getConnection(int n1, int n2) {\n\treturn false;\n\t/*if (comparePair(n1, n2, 0, 1))\n\t return true;\n\t if (comparePair(n1, n2, 2, 3))\n\t return true;\n\t return false;*/\n }\n void getInfo(String arr[]) {\n\tarr[0] = \"transmission line\";\n\tarr[1] = getUnitText(imped, sim.ohmString);\n\tarr[2] = \"length = \" + getUnitText(2.9979e8*delay, \"m\");\n\tarr[3] = \"delay = \" + getUnitText(delay, \"s\");\n }\n public EditInfo getEditInfo(int n) {\n\tif (n == 0)\n\t return new EditInfo(\"Delay (s)\", delay, 0, 0);\n\tif (n == 1)\n\t return new EditInfo(\"Impedance (ohms)\", imped, 0, 0);\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (n == 0) {\n\t delay = ei.value;\n\t reset();\n\t}\n\tif (n == 1) {\n\t imped = ei.value;\n\t reset();\n\t}\n }\n}\n\n" }, { "path": "src/TransformerElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class TransformerElm extends CircuitElm {\n\tdouble inductance, ratio, couplingCoef;\n\tPoint ptEnds[], ptCoil[], ptCore[];\n\tdouble current[], curcount[];\n\tint width;\n\tpublic static final int FLAG_BACK_EULER = 2;\n\tpublic TransformerElm(int xx, int yy) {\n\t super(xx, yy);\n\t inductance = 4;\n\t ratio = 1;\n\t width = 32;\n\t noDiagonal = true;\n\t couplingCoef = .999;\n\t current = new double[2];\n\t curcount = new double[2];\n\t}\n\tpublic TransformerElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t width = max(32, abs(yb-ya));\n\t inductance = new Double(st.nextToken()).doubleValue();\n\t ratio = new Double(st.nextToken()).doubleValue();\n\t current = new double[2];\n\t curcount = new double[2];\n\t current[0] = new Double(st.nextToken()).doubleValue();\n\t current[1] = new Double(st.nextToken()).doubleValue();\n\t couplingCoef = .999;\n\t try {\n\t\tcouplingCoef = new Double(st.nextToken()).doubleValue();\n\t } catch (Exception e) { }\n\t noDiagonal = true;\n\t}\n\tvoid drag(int xx, int yy) {\n\t xx = sim.snapGrid(xx);\n\t yy = sim.snapGrid(yy);\n\t width = max(32, abs(yy-y));\n\t if (xx == x)\n\t yy = y;\n\t x2 = xx; y2 = yy;\n\t setPoints();\n\t}\n\tint getDumpType() { return 'T'; }\n\tString dump() {\n\t return super.dump() + \" \" + inductance + \" \" + ratio + \" \" +\n\t\tcurrent[0] + \" \" + current[1] + \" \" + couplingCoef;\n\t}\n\tboolean isTrapezoidal() { return (flags & FLAG_BACK_EULER) == 0; }\n\tvoid draw(Graphics g) {\n\t int i;\n\t for (i = 0; i != 4; i++) {\n\t\tsetVoltageColor(g, volts[i]);\n\t\tdrawThickLine(g, ptEnds[i], ptCoil[i]);\n\t }\n\t for (i = 0; i != 2; i++) {\n\t\tsetPowerColor(g, current[i]*(volts[i]-volts[i+2]));\n\t\tdrawCoil(g, dsign*(i == 1 ? -6 : 6),\n\t\t\t ptCoil[i], ptCoil[i+2], volts[i], volts[i+2]);\n\t }\n\t g.setColor(needsHighlight() ? selectColor : lightGrayColor);\n\t for (i = 0; i != 2; i++) {\n\t\tdrawThickLine(g, ptCore[i], ptCore[i+2]);\n\t\tcurcount[i] = updateDotCount(current[i], curcount[i]);\n\t }\n\t for (i = 0; i != 2; i++) {\n\t\tdrawDots(g, ptEnds[i], ptCoil[i], curcount[i]);\n\t\tdrawDots(g, ptCoil[i], ptCoil[i+2], curcount[i]);\n\t\tdrawDots(g, ptEnds[i+2], ptCoil[i+2], -curcount[i]);\n\t }\n\t \n\t drawPosts(g);\n\t setBbox(ptEnds[0], ptEnds[3], 0);\n\t}\n\t\n\tvoid setPoints() {\n\t super.setPoints();\n\t point2.y = point1.y;\n\t ptEnds = newPointArray(4);\n\t ptCoil = newPointArray(4);\n\t ptCore = newPointArray(4);\n\t ptEnds[0] = point1;\n\t ptEnds[1] = point2;\n\t interpPoint(point1, point2, ptEnds[2], 0, -dsign*width);\n\t interpPoint(point1, point2, ptEnds[3], 1, -dsign*width);\n\t double ce = .5-12/dn;\n\t double cd = .5-2/dn;\n\t int i;\n\t for (i = 0; i != 4; i += 2) {\n\t\tinterpPoint(ptEnds[i], ptEnds[i+1], ptCoil[i], ce);\n\t\tinterpPoint(ptEnds[i], ptEnds[i+1], ptCoil[i+1], 1-ce);\n\t\tinterpPoint(ptEnds[i], ptEnds[i+1], ptCore[i], cd);\n\t\tinterpPoint(ptEnds[i], ptEnds[i+1], ptCore[i+1], 1-cd);\n\t }\n\t}\n\tPoint getPost(int n) {\n\t return ptEnds[n];\n\t}\n\tint getPostCount() { return 4; }\n\tvoid reset() {\n\t current[0] = current[1] = volts[0] = volts[1] = volts[2] =\n\t\tvolts[3] = curcount[0] = curcount[1] = 0;\n\t}\n\tdouble a1, a2, a3, a4;\n\tvoid stamp() {\n\t // equations for transformer:\n\t // v1 = L1 di1/dt + M di2/dt\n\t // v2 = M di1/dt + L2 di2/dt\n\t // we invert that to get:\n\t // di1/dt = a1 v1 + a2 v2\n\t // di2/dt = a3 v1 + a4 v2\n\t // integrate di1/dt using trapezoidal approx and we get:\n\t // i1(t2) = i1(t1) + dt/2 (i1(t1) + i1(t2))\n\t // = i1(t1) + a1 dt/2 v1(t1) + a2 dt/2 v2(t1) +\n\t // a1 dt/2 v1(t2) + a2 dt/2 v2(t2)\n\t // the norton equivalent of this for i1 is:\n\t // a. current source, I = i1(t1) + a1 dt/2 v1(t1) + a2 dt/2 v2(t1)\n\t // b. resistor, G = a1 dt/2\n\t // c. current source controlled by voltage v2, G = a2 dt/2\n\t // and for i2:\n\t // a. current source, I = i2(t1) + a3 dt/2 v1(t1) + a4 dt/2 v2(t1)\n\t // b. resistor, G = a3 dt/2\n\t // c. current source controlled by voltage v2, G = a4 dt/2\n\t //\n\t // For backward euler,\n\t //\n\t // i1(t2) = i1(t1) + a1 dt v1(t2) + a2 dt v2(t2)\n\t //\n\t // So the current source value is just i1(t1) and we use\n\t // dt instead of dt/2 for the resistor and VCCS.\n\t //\n\t // first winding goes from node 0 to 2, second is from 1 to 3\n\t double l1 = inductance;\n\t double l2 = inductance*ratio*ratio;\n\t double m = couplingCoef*Math.sqrt(l1*l2);\n\t // build inverted matrix\n\t double deti = 1/(l1*l2-m*m);\n\t double ts = isTrapezoidal() ? sim.timeStep/2 : sim.timeStep;\n\t a1 = l2*deti*ts; // we multiply dt/2 into a1..a4 here\n\t a2 = -m*deti*ts;\n\t a3 = -m*deti*ts;\n\t a4 = l1*deti*ts;\n\t sim.stampConductance(nodes[0], nodes[2], a1);\n\t sim.stampVCCurrentSource(nodes[0], nodes[2], nodes[1], nodes[3], a2);\n\t sim.stampVCCurrentSource(nodes[1], nodes[3], nodes[0], nodes[2], a3);\n\t sim.stampConductance(nodes[1], nodes[3], a4);\n\t sim.stampRightSide(nodes[0]);\n\t sim.stampRightSide(nodes[1]);\n\t sim.stampRightSide(nodes[2]);\n\t sim.stampRightSide(nodes[3]);\n\t}\n\tvoid startIteration() {\n\t double voltdiff1 = volts[0]-volts[2];\n\t double voltdiff2 = volts[1]-volts[3];\n\t if (isTrapezoidal()) {\n\t\tcurSourceValue1 = voltdiff1*a1+voltdiff2*a2+current[0];\n\t\tcurSourceValue2 = voltdiff1*a3+voltdiff2*a4+current[1];\n\t } else {\n\t\tcurSourceValue1 = current[0];\n\t\tcurSourceValue2 = current[1];\n\t } \n\t}\n\tdouble curSourceValue1, curSourceValue2;\n\tvoid doStep() {\n\t sim.stampCurrentSource(nodes[0], nodes[2], curSourceValue1);\n\t sim.stampCurrentSource(nodes[1], nodes[3], curSourceValue2);\n \t}\n\tvoid calculateCurrent() {\n\t double voltdiff1 = volts[0]-volts[2];\n\t double voltdiff2 = volts[1]-volts[3];\n\t current[0] = voltdiff1*a1 + voltdiff2*a2 + curSourceValue1;\n\t current[1] = voltdiff1*a3 + voltdiff2*a4 + curSourceValue2;\n\t}\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"transformer\";\n\t arr[1] = \"L = \" + getUnitText(inductance, \"H\");\n\t arr[2] = \"Ratio = 1:\" + ratio;\n\t arr[3] = \"Vd1 = \" + getVoltageText(volts[0]-volts[2]);\n\t arr[4] = \"Vd2 = \" + getVoltageText(volts[1]-volts[3]);\n\t arr[5] = \"I1 = \" + getCurrentText(current[0]);\n\t arr[6] = \"I2 = \" + getCurrentText(current[1]);\n\t}\n\tboolean getConnection(int n1, int n2) {\n\t if (comparePair(n1, n2, 0, 2))\n\t\treturn true;\n\t if (comparePair(n1, n2, 1, 3))\n\t\treturn true;\n\t return false;\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"Primary Inductance (H)\", inductance, .01, 5);\n\t if (n == 1)\n\t\treturn new EditInfo(\"Ratio\", ratio, 1, 10).setDimensionless();\n\t if (n == 2)\n\t\treturn new EditInfo(\"Coupling Coefficient\", couplingCoef, 0, 1).\n\t\t setDimensionless();\n\t if (n == 3) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Trapezoidal Approximation\",\n\t\t\t\t\t isTrapezoidal());\n\t\treturn ei;\n\t }\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0)\n\t\tinductance = ei.value;\n\t if (n == 1)\n\t\tratio = ei.value;\n\t if (n == 2 && ei.value > 0 && ei.value < 1)\n\t\tcouplingCoef = ei.value;\n\t if (n == 3) {\n\t\tif (ei.checkbox.getState())\n\t\t flags &= ~Inductor.FLAG_BACK_EULER;\n\t\telse\n\t\t flags |= Inductor.FLAG_BACK_EULER;\n\t }\n\t}\n }\n" }, { "path": "src/TransistorElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class TransistorElm extends CircuitElm {\n\tint pnp;\n\tdouble beta;\n\tdouble fgain;\n\tdouble gmin;\n\tfinal int FLAG_FLIP = 1;\n\tTransistorElm(int xx, int yy, boolean pnpflag) {\n\t super(xx, yy);\n\t pnp = (pnpflag) ? -1 : 1;\n\t beta = 100;\n\t setup();\n\t}\n\tpublic TransistorElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f);\n\t pnp = new Integer(st.nextToken()).intValue();\n\t beta = 100;\n\t try {\n\t\tlastvbe = new Double(st.nextToken()).doubleValue();\n\t\tlastvbc = new Double(st.nextToken()).doubleValue();\n\t\tvolts[0] = 0;\n\t\tvolts[1] = -lastvbe;\n\t\tvolts[2] = -lastvbc;\n\t\tbeta = new Double(st.nextToken()).doubleValue();\n\t } catch (Exception e) {\n\t }\n\t setup();\n\t}\n\tvoid setup() {\n\t vcrit = vt * Math.log(vt/(Math.sqrt(2)*leakage));\n\t fgain = beta/(beta+1);\n\t noDiagonal = true;\n\t}\n\tboolean nonLinear() { return true; }\n\tvoid reset() {\n\t volts[0] = volts[1] = volts[2] = 0;\n\t lastvbc = lastvbe = curcount_c = curcount_e = curcount_b = 0;\n\t}\n\tint getDumpType() { return 't'; }\n\tString dump() {\n\t return super.dump() + \" \" + pnp + \" \" + (volts[0]-volts[1]) + \" \" +\n\t\t(volts[0]-volts[2]) + \" \" + beta;\n\t}\n\tdouble ic, ie, ib, curcount_c, curcount_e, curcount_b;\n\tPolygon rectPoly, arrowPoly;\n\t\n\tvoid draw(Graphics g) {\n\t setBbox(point1, point2, 16);\n\t setPowerColor(g, true);\n\t // draw collector\n\t setVoltageColor(g, volts[1]);\n\t drawThickLine(g, coll[0], coll[1]);\n\t // draw emitter\n\t setVoltageColor(g, volts[2]);\n\t drawThickLine(g, emit[0], emit[1]);\n\t // draw arrow\n\t g.setColor(lightGrayColor);\n\t g.fillPolygon(arrowPoly);\n\t // draw base\n\t setVoltageColor(g, volts[0]);\n\t if (sim.powerCheckItem.getState())\n\t\tg.setColor(Color.gray);\n\t drawThickLine(g, point1, base);\n\t // draw dots\n\t curcount_b = updateDotCount(-ib, curcount_b);\n\t drawDots(g, base, point1, curcount_b);\n\t curcount_c = updateDotCount(-ic, curcount_c);\n\t drawDots(g, coll[1], coll[0], curcount_c);\n\t curcount_e = updateDotCount(-ie, curcount_e);\n\t drawDots(g, emit[1], emit[0], curcount_e);\n\t // draw base rectangle\n\t setVoltageColor(g, volts[0]);\n\t setPowerColor(g, true);\n\t g.fillPolygon(rectPoly);\n\n\t if ((needsHighlight() || sim.dragElm == this) && dy == 0) {\n\t\tg.setColor(Color.white);\n\t\tg.setFont(unitsFont);\n\t\tint ds = sign(dx);\n\t\tg.drawString(\"B\", base.x-10*ds, base.y-5);\n\t\tg.drawString(\"C\", coll[0].x-3+9*ds, coll[0].y+4); // x+6 if ds=1, -12 if -1\n\t\tg.drawString(\"E\", emit[0].x-3+9*ds, emit[0].y+4);\n\t }\n\t drawPosts(g);\n\t}\n\tPoint getPost(int n) {\n\t return (n == 0) ? point1 : (n == 1) ? coll[0] : emit[0];\n\t}\n\t\n\tint getPostCount() { return 3; }\n\tdouble getPower() {\n\t return (volts[0]-volts[2])*ib + (volts[1]-volts[2])*ic;\n\t}\n\n\tPoint rect[], coll[], emit[], base;\n\tvoid setPoints() {\n\t super.setPoints();\n\t int hs = 16;\n\t if ((flags & FLAG_FLIP) != 0)\n\t\tdsign = -dsign;\n\t int hs2 = hs*dsign*pnp;\n\t // calc collector, emitter posts\n\t coll = newPointArray(2);\n\t emit = newPointArray(2);\n\t interpPoint2(point1, point2, coll[0], emit[0], 1, hs2);\n\t // calc rectangle edges\n\t rect = newPointArray(4);\n\t interpPoint2(point1, point2, rect[0], rect[1], 1-16/dn, hs);\n\t interpPoint2(point1, point2, rect[2], rect[3], 1-13/dn, hs);\n\t // calc points where collector/emitter leads contact rectangle\n\t interpPoint2(point1, point2, coll[1], emit[1], 1-13/dn, 6*dsign*pnp);\n\t // calc point where base lead contacts rectangle\n\t base = new Point();\n\t interpPoint (point1, point2, base, 1-16/dn);\n\n\t // rectangle\n\t rectPoly = createPolygon(rect[0], rect[2], rect[3], rect[1]);\n\n\t // arrow\n\t if (pnp == 1)\n\t\tarrowPoly = calcArrow(emit[1], emit[0], 8, 4);\n\t else {\n\t\tPoint pt = interpPoint(point1, point2, 1-11/dn, -5*dsign*pnp);\n\t\tarrowPoly = calcArrow(emit[0], pt, 8, 4);\n\t }\n\t}\n\t\n\tstatic final double leakage = 1e-13; // 1e-6;\n\tstatic final double vt = .025;\n\tstatic final double vdcoef = 1/vt;\n\tstatic final double rgain = .5;\n\tdouble vcrit;\n\tdouble lastvbc, lastvbe;\n\tdouble limitStep(double vnew, double vold) {\n\t double arg;\n\t double oo = vnew;\n\t \n\t if (vnew > vcrit && Math.abs(vnew - vold) > (vt + vt)) {\n\t\tif(vold > 0) {\n\t\t arg = 1 + (vnew - vold) / vt;\n\t\t if(arg > 0) {\n\t\t\tvnew = vold + vt * Math.log(arg);\n\t\t } else {\n\t\t\tvnew = vcrit;\n\t\t }\n\t\t} else {\n\t\t vnew = vt *Math.log(vnew/vt);\n\t\t}\n\t\tsim.converged = false;\n\t\t//System.out.println(vnew + \" \" + oo + \" \" + vold);\n\t }\n\t return(vnew);\n\t}\n\tvoid stamp() {\n\t sim.stampNonLinear(nodes[0]);\n\t sim.stampNonLinear(nodes[1]);\n\t sim.stampNonLinear(nodes[2]);\n\t}\n\tvoid doStep() {\n\t double vbc = volts[0]-volts[1]; // typically negative\n\t double vbe = volts[0]-volts[2]; // typically positive\n\t if (Math.abs(vbc-lastvbc) > .01 || // .01\n\t\tMath.abs(vbe-lastvbe) > .01)\n\t\tsim.converged = false;\n\t gmin = 0;\n\t if (sim.subIterations > 100) {\n\t\t// if we have trouble converging, put a conductance in parallel with all P-N junctions.\n\t\t// Gradually increase the conductance value for each iteration.\n\t\tgmin = Math.exp(-9*Math.log(10)*(1-sim.subIterations/3000.));\n\t\tif (gmin > .1)\n\t\t gmin = .1;\n\t }\n\t //System.out.print(\"T \" + vbc + \" \" + vbe + \"\\n\");\n\t vbc = pnp*limitStep(pnp*vbc, pnp*lastvbc);\n\t vbe = pnp*limitStep(pnp*vbe, pnp*lastvbe);\n\t lastvbc = vbc;\n\t lastvbe = vbe;\n\t double pcoef = vdcoef*pnp;\n\t double expbc = Math.exp(vbc*pcoef);\n\t /*if (expbc > 1e13 || Double.isInfinite(expbc))\n\t expbc = 1e13;*/\n\t double expbe = Math.exp(vbe*pcoef);\n\t if (expbe < 1)\n\t\texpbe = 1;\n\t /*if (expbe > 1e13 || Double.isInfinite(expbe))\n\t expbe = 1e13;*/\n\t ie = pnp*leakage*(-(expbe-1)+rgain*(expbc-1));\n\t ic = pnp*leakage*(fgain*(expbe-1)-(expbc-1));\n\t ib = -(ie+ic);\n\t //System.out.println(\"gain \" + ic/ib);\n\t //System.out.print(\"T \" + vbc + \" \" + vbe + \" \" + ie + \" \" + ic + \"\\n\");\n\t double gee = -leakage*vdcoef*expbe;\n\t double gec = rgain*leakage*vdcoef*expbc;\n\t double gce = -gee*fgain;\n\t double gcc = -gec*(1/rgain);\n\n\t /*System.out.print(\"gee = \" + gee + \"\\n\");\n\t System.out.print(\"gec = \" + gec + \"\\n\");\n\t System.out.print(\"gce = \" + gce + \"\\n\");\n\t System.out.print(\"gcc = \" + gcc + \"\\n\");\n\t System.out.print(\"gce+gcc = \" + (gce+gcc) + \"\\n\");\n\t System.out.print(\"gee+gec = \" + (gee+gec) + \"\\n\");*/\n\t \n\t // stamps from page 302 of Pillage. Node 0 is the base,\n\t // node 1 the collector, node 2 the emitter. Also stamp\n\t // minimum conductance (gmin) between b,e and b,c\n\t sim.stampMatrix(nodes[0], nodes[0], -gee-gec-gce-gcc + gmin*2);\n\t sim.stampMatrix(nodes[0], nodes[1], gec+gcc - gmin);\n\t sim.stampMatrix(nodes[0], nodes[2], gee+gce - gmin);\n\t sim.stampMatrix(nodes[1], nodes[0], gce+gcc - gmin);\n\t sim.stampMatrix(nodes[1], nodes[1], -gcc + gmin);\n\t sim.stampMatrix(nodes[1], nodes[2], -gce);\n\t sim.stampMatrix(nodes[2], nodes[0], gee+gec - gmin);\n\t sim.stampMatrix(nodes[2], nodes[1], -gec);\n\t sim.stampMatrix(nodes[2], nodes[2], -gee + gmin);\n\n\t // we are solving for v(k+1), not delta v, so we use formula\n\t // 10.5.13, multiplying J by v(k)\n\t sim.stampRightSide(nodes[0], -ib - (gec+gcc)*vbc - (gee+gce)*vbe);\n\t sim.stampRightSide(nodes[1], -ic + gce*vbe + gcc*vbc);\n\t sim.stampRightSide(nodes[2], -ie + gee*vbe + gec*vbc);\n\t}\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"transistor (\" + ((pnp == -1) ? \"PNP)\" : \"NPN)\") + \" beta=\" +\n\t\tshowFormat.format(beta);\n\t double vbc = volts[0]-volts[1];\n\t double vbe = volts[0]-volts[2];\n\t double vce = volts[1]-volts[2];\n\t if (vbc*pnp > .2)\n\t\tarr[1] = vbe*pnp > .2 ? \"saturation\" : \"reverse active\";\n\t else\n\t\tarr[1] = vbe*pnp > .2 ? \"fwd active\" : \"cutoff\";\n\t arr[2] = \"Ic = \" + getCurrentText(ic);\n\t arr[3] = \"Ib = \" + getCurrentText(ib);\n\t arr[4] = \"Vbe = \" + getVoltageText(vbe);\n\t arr[5] = \"Vbc = \" + getVoltageText(vbc);\n\t arr[6] = \"Vce = \" + getVoltageText(vce);\n\t}\n\tdouble getScopeValue(int x) {\n\t switch (x) {\n\t case Scope.VAL_IB: return ib;\n\t case Scope.VAL_IC: return ic;\n\t case Scope.VAL_IE: return ie;\n\t case Scope.VAL_VBE: return volts[0]-volts[2];\n\t case Scope.VAL_VBC: return volts[0]-volts[1];\n\t case Scope.VAL_VCE: return volts[1]-volts[2];\n\t }\n\t return 0;\n\t}\n\tString getScopeUnits(int x) {\n\t switch (x) {\n\t case Scope.VAL_IB: case Scope.VAL_IC:\n\t case Scope.VAL_IE: return \"A\";\n\t default: return \"V\";\n\t }\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"Beta/hFE\", beta, 10, 1000).\n\t\t setDimensionless();\n\t if (n == 1) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Swap E/C\", (flags & FLAG_FLIP) != 0);\n\t\treturn ei;\n\t }\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0) {\n\t\tbeta = ei.value;\n\t\tsetup();\n\t }\n\t if (n == 1) {\n\t\tif (ei.checkbox.getState())\n\t\t flags |= FLAG_FLIP;\n\t\telse\n\t\t flags &= ~FLAG_FLIP;\n\t\tsetPoints();\n\t }\n\t}\n\tboolean canViewInScope() { return true; }\n }\n" }, { "path": "src/TriacElm.java", "content": "// stub implementation of TriacElm, based on SCRElm\n// FIXME need to add TriacElm to srclist\n// FIXME need to uncomment TriacElm line from CirSim.java\n\nimport java.awt.*;\nimport java.util.StringTokenizer;\n\n// Silicon-Controlled Rectifier\n// 3 nodes, 1 internal node\n// 0 = anode, 1 = cathode, 2 = gate\n// 0, 3 = variable resistor\n// 3, 2 = diode\n// 2, 1 = 50 ohm resistor\n\nclass TriacElm extends CircuitElm {\n final int anode = 0;\n final int cnode = 1;\n final int gnode = 2;\n final int inode = 3;\n Diode diode;\n public TriacElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tsetDefaults();\n\tsetup();\n }\n public TriacElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tsetDefaults();\n\ttry {\n\t lastvac = new Double(st.nextToken()).doubleValue();\n\t lastvag = new Double(st.nextToken()).doubleValue();\n\t volts[anode] = 0;\n\t volts[cnode] = -lastvac;\n\t volts[gnode] = -lastvag;\n\t triggerI = new Double(st.nextToken()).doubleValue();\n\t holdingI = new Double(st.nextToken()).doubleValue();\n\t cresistance = new Double(st.nextToken()).doubleValue();\n\t} catch (Exception e) {\n\t}\n\tsetup();\n }\n void setDefaults() {\n\tcresistance = 50;\n\tholdingI = .0082;\n\ttriggerI = .01;\n }\n void setup() {\n\tdiode = new Diode(sim);\n\tdiode.setup(.8, 0);\n }\n boolean nonLinear() { return true; }\n void reset() {\n\tvolts[anode] = volts[cnode] = volts[gnode] = 0;\n\tdiode.reset();\n\tlastvag = lastvac = curcount_a = curcount_c = curcount_g = 0;\n }\n int getDumpType() { return 183; }\n String dump() {\n\treturn super.dump() + \" \" + (volts[anode]-volts[cnode]) + \" \" +\n\t (volts[anode]-volts[gnode]) + \" \" + triggerI + \" \"+ holdingI + \" \" +\n\t cresistance;\n }\n double ia, ic, ig, curcount_a, curcount_c, curcount_g;\n double lastvac, lastvag;\n double cresistance, triggerI, holdingI;\n\n final int hs = 8;\n Polygon poly;\n Point cathode[], gate[];\n\t\n void setPoints() {\n\tsuper.setPoints();\n\tint dir = 0;\n\tif (abs(dx) > abs(dy)) {\n\t dir = -sign(dx)*sign(dy);\n\t point2.y = point1.y;\n\t} else {\n\t dir = sign(dy)*sign(dx);\n\t point2.x = point1.x;\n\t}\n\tif (dir == 0)\n\t dir = 1;\n\tcalcLeads(16);\n\tcathode = newPointArray(2);\n\tPoint pa[] = newPointArray(2);\n\tinterpPoint2(lead1, lead2, pa[0], pa[1], 0, hs);\n\tinterpPoint2(lead1, lead2, cathode[0], cathode[1], 1, hs);\n\tpoly = createPolygon(pa[0], pa[1], lead2);\n\n\tgate = newPointArray(2);\n\tdouble leadlen = (dn-16)/2;\n\tint gatelen = sim.gridSize;\n\tgatelen += leadlen % sim.gridSize;\n\tif (leadlen < gatelen) {\n\t x2 = x; y2 = y;\n\t return;\n\t}\n\tinterpPoint(lead2, point2, gate[0], gatelen/leadlen, gatelen*dir);\n\tinterpPoint(lead2, point2, gate[1], gatelen/leadlen, sim.gridSize*2*dir);\n }\n\t\n void draw(Graphics g) {\n\tsetBbox(point1, point2, hs);\n\tadjustBbox(gate[0], gate[1]);\n\n\tdouble v1 = volts[anode];\n\tdouble v2 = volts[cnode];\n\n\tdraw2Leads(g);\n\n\t// draw arrow thingy\n\tsetPowerColor(g, true);\n\tsetVoltageColor(g, v1);\n\tg.fillPolygon(poly);\n\n\t// draw thing arrow is pointing to\n\tsetVoltageColor(g, v2);\n\tdrawThickLine(g, cathode[0], cathode[1]);\n\n\tdrawThickLine(g, lead2, gate[0]);\n\tdrawThickLine(g, gate[0], gate[1]);\n\t\n\tcurcount_a = updateDotCount(ia, curcount_a);\n\tcurcount_c = updateDotCount(ic, curcount_c);\n\tcurcount_g = updateDotCount(ig, curcount_g);\n\tif (sim.dragElm != this) {\n\t drawDots(g, point1, lead2, curcount_a);\n\t drawDots(g, point2, lead2, curcount_c);\n\t drawDots(g, gate[1], gate[0], curcount_g);\n\t drawDots(g, gate[0], lead2, curcount_g+distance(gate[1], gate[0]));\n\t}\n\tdrawPosts(g);\n }\n\t\n \n Point getPost(int n) {\n\treturn (n == 0) ? point1 : (n == 1) ? point2 : gate[1];\n }\n\t\n int getPostCount() { return 3; }\n int getInternalNodeCount() { return 1; }\n double getPower() {\n\treturn (volts[anode]-volts[gnode])*ia + (volts[cnode]-volts[gnode])*ic;\n }\n\n double aresistance;\n void stamp() {\n\tsim.stampNonLinear(nodes[anode]);\n\tsim.stampNonLinear(nodes[cnode]);\n\tsim.stampNonLinear(nodes[gnode]);\n\tsim.stampNonLinear(nodes[inode]);\n\tsim.stampResistor(nodes[gnode], nodes[cnode], cresistance);\n\tdiode.stamp(nodes[inode], nodes[gnode]);\n }\n\n void doStep() {\n\tdouble vac = volts[anode]-volts[cnode]; // typically negative\n\tdouble vag = volts[anode]-volts[gnode]; // typically positive\n\tif (Math.abs(vac-lastvac) > .01 ||\n\t Math.abs(vag-lastvag) > .01)\n\t sim.converged = false;\n\tlastvac = vac;\n\tlastvag = vag;\n\tdiode.doStep(volts[inode]-volts[gnode]);\n\tdouble icmult = 1/triggerI;\n\tdouble iamult = 1/holdingI - icmult;\n\t//System.out.println(icmult + \" \" + iamult);\n\taresistance = (-icmult*ic + ia*iamult > 1) ? .0105 : 10e5;\n\t//System.out.println(vac + \" \" + vag + \" \" + sim.converged + \" \" + ic + \" \" + ia + \" \" + aresistance + \" \" + volts[inode] + \" \" + volts[gnode] + \" \" + volts[anode]);\n\tsim.stampResistor(nodes[anode], nodes[inode], aresistance);\n }\n void getInfo(String arr[]) {\n\tarr[0] = \"SCR\";\n\tdouble vac = volts[anode]-volts[cnode];\n\tdouble vag = volts[anode]-volts[gnode];\n\tdouble vgc = volts[gnode]-volts[cnode];\n\tarr[1] = \"Ia = \" + getCurrentText(ia);\n\tarr[2] = \"Ig = \" + getCurrentText(ig);\n\tarr[3] = \"Vac = \" + getVoltageText(vac);\n\tarr[4] = \"Vag = \" + getVoltageText(vag);\n\tarr[5] = \"Vgc = \" + getVoltageText(vgc);\n }\n void calculateCurrent() {\n\tic = (volts[cnode]-volts[gnode])/cresistance;\n\tia = (volts[anode]-volts[inode])/aresistance;\n\tig = -ic-ia;\n }\n public EditInfo getEditInfo(int n) {\n\t// ohmString doesn't work here on linux\n\tif (n == 0)\n\t return new EditInfo(\"Trigger Current (A)\", triggerI, 0, 0);\n\tif (n == 1)\n\t return new EditInfo(\"Holding Current (A)\", holdingI, 0, 0);\n\tif (n == 2)\n\t return new EditInfo(\"Gate-Cathode Resistance (ohms)\", cresistance, 0, 0);\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (n == 0 && ei.value > 0)\n\t triggerI = ei.value;\n\tif (n == 1 && ei.value > 0)\n\t holdingI = ei.value;\n\tif (n == 2 && ei.value > 0)\n\t cresistance = ei.value;\n }\n}\n\n" }, { "path": "src/TriodeElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass TriodeElm extends CircuitElm {\n double mu, kg1;\n double curcountp, curcountc, curcountg, currentp, currentg, currentc;\n final double gridCurrentR = 6000;\n public TriodeElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tmu = 93;\n\tkg1 = 680;\n\tsetup();\n }\n public TriodeElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tmu = new Double(st.nextToken()).doubleValue();\n\tkg1 = new Double(st.nextToken()).doubleValue();\n\tsetup();\n }\n void setup() {\n\tnoDiagonal = true;\n }\n boolean nonLinear() { return true; }\n void reset() {\n\tvolts[0] = volts[1] = volts[2] = 0;\n\tcurcount = 0;\n }\n String dump() {\n\treturn super.dump() + \" \" + mu + \" \" + kg1;\n }\n int getDumpType() { return 173; }\n\t\n Point plate[], grid[], cath[], midgrid, midcath;\n int circler;\n void setPoints() {\n\tsuper.setPoints();\n\tplate = newPointArray(4);\n\tgrid = newPointArray(8);\n\tcath = newPointArray(4);\n\tgrid[0] = point1;\n\tint nearw = 8;\n\tinterpPoint(point1, point2, plate[1], 1, nearw);\n\tint farw = 32;\n\tinterpPoint(point1, point2, plate[0], 1, farw);\n\tint platew = 18;\n\tinterpPoint2(point2, plate[1], plate[2], plate[3], 1, platew);\n\t \n\tcircler = 24;\n\tinterpPoint(point1, point2, grid[1], (dn-circler)/dn, 0);\n\tint i;\n\tfor (i = 0; i != 3; i++) {\n\t interpPoint(grid[1], point2, grid[2+i*2], (i*3+1)/4.5, 0);\n\t interpPoint(grid[1], point2, grid[3+i*2], (i*3+2)/4.5, 0);\n\t}\n\tmidgrid = point2;\n\n\tint cathw = 16;\n\tmidcath = interpPoint(point1, point2, 1, -nearw);\n\tinterpPoint2(point2, plate[1], cath[1], cath[2], -1, cathw);\n\tinterpPoint(point2, plate[1], cath[3], -1.2, -cathw);\n\tinterpPoint(point2, plate[1], cath[0], -farw/(double) nearw, cathw);\n }\n\t\n void draw(Graphics g) {\n\tg.setColor(Color.gray);\n\tdrawThickCircle(g, point2.x, point2.y, circler);\n\tsetBbox(point1, plate[0], 16);\n\tadjustBbox(cath[0].x, cath[1].y, point2.x+circler, point2.y+circler);\n\tsetPowerColor(g, true);\n\t// draw plate\n\tsetVoltageColor(g, volts[0]);\n\tdrawThickLine(g, plate[0], plate[1]);\n\tdrawThickLine(g, plate[2], plate[3]);\n\t// draw grid\n\tsetVoltageColor(g, volts[1]);\n\tint i;\n\tfor (i = 0; i != 8; i += 2)\n\t drawThickLine(g, grid[i], grid[i+1]);\n\t// draw cathode\n\tsetVoltageColor(g, volts[2]);\n\tfor (i = 0; i != 3; i++)\n\t drawThickLine(g, cath[i], cath[i+1]);\n\t// draw dots\n\tcurcountp = updateDotCount(currentp, curcountp);\n\tcurcountc = updateDotCount(currentc, curcountc);\n\tcurcountg = updateDotCount(currentg, curcountg);\n\tif (sim.dragElm != this) {\n\t drawDots(g, plate[0], midgrid, curcountp);\n\t drawDots(g, midgrid, midcath, curcountc);\n\t drawDots(g, midcath, cath[1], curcountc+8);\n\t drawDots(g, cath[1], cath[0], curcountc+8);\n\t drawDots(g, point1, midgrid, curcountg);\n\t}\n\tdrawPosts(g);\n }\n Point getPost(int n) {\n\treturn (n == 0) ? plate[0] : (n == 1) ? grid[0] : cath[0];\n }\n int getPostCount() { return 3; }\n double getPower() { return (volts[0]-volts[2])*current; }\n\n double lastv0, lastv1, lastv2;\n void doStep() {\n\tdouble vs[] = new double[3];\n\tvs[0] = volts[0];\n\tvs[1] = volts[1];\n\tvs[2] = volts[2];\n\tif (vs[1] > lastv1 + .5)\n\t vs[1] = lastv1 + .5;\n\tif (vs[1] < lastv1 - .5)\n\t vs[1] = lastv1 - .5;\n\tif (vs[2] > lastv2 + .5)\n\t vs[2] = lastv2 + .5;\n\tif (vs[2] < lastv2 - .5)\n\t vs[2] = lastv2 - .5;\n\tint grid = 1;\n\tint cath = 2;\n\tint plate = 0;\n\tdouble vgk = vs[grid] -vs[cath];\n\tdouble vpk = vs[plate]-vs[cath];\n\tif (Math.abs(lastv0-vs[0]) > .01 ||\n\t Math.abs(lastv1-vs[1]) > .01 ||\n\t Math.abs(lastv2-vs[2]) > .01)\n\t sim.converged = false;\n\tlastv0 = vs[0];\n\tlastv1 = vs[1];\n\tlastv2 = vs[2];\n\tdouble ids = 0;\n\tdouble gm = 0;\n\tdouble Gds = 0;\n\tdouble ival = vgk+vpk/mu;\n\tcurrentg = 0;\n\tif (vgk > .01) {\n\t sim.stampResistor(nodes[grid], nodes[cath], gridCurrentR);\n\t currentg = vgk/gridCurrentR;\n\t}\n\tif (ival < 0) {\n\t // should be all zero, but that causes a singular matrix,\n\t // so instead we treat it as a large resistor\n\t Gds = 1e-8;\n\t ids = vpk*Gds;\n\t} else {\n\t ids = Math.pow(ival, 1.5)/kg1;\n\t double q = 1.5*Math.sqrt(ival)/kg1;\n\t // gm = dids/dgk;\n\t // Gds = dids/dpk;\n\t Gds = q;\n\t gm = q/mu;\n\t}\n\tcurrentp = ids;\n\tcurrentc = ids+currentg;\n\tdouble rs = -ids + Gds*vpk + gm*vgk;\n\tsim.stampMatrix(nodes[plate], nodes[plate], Gds);\n\tsim.stampMatrix(nodes[plate], nodes[cath], -Gds-gm); \n\tsim.stampMatrix(nodes[plate], nodes[grid], gm);\n\t \n\tsim.stampMatrix(nodes[cath], nodes[plate], -Gds);\n\tsim.stampMatrix(nodes[cath], nodes[cath], Gds+gm); \n\tsim.stampMatrix(nodes[cath], nodes[grid], -gm);\n\t \n\tsim.stampRightSide(nodes[plate], rs);\n\tsim.stampRightSide(nodes[cath ], -rs);\n }\n\n void stamp() {\n\tsim.stampNonLinear(nodes[0]);\n\tsim.stampNonLinear(nodes[1]);\n\tsim.stampNonLinear(nodes[2]);\n }\n void getInfo(String arr[]) {\n\tarr[0] = \"triode\";\n\tdouble vbc = volts[0]-volts[1];\n\tdouble vbe = volts[0]-volts[2];\n\tdouble vce = volts[1]-volts[2];\n\tarr[1] = \"Vbe = \" + getVoltageText(vbe);\n\tarr[2] = \"Vbc = \" + getVoltageText(vbc);\n\tarr[3] = \"Vce = \" + getVoltageText(vce);\n }\n // grid not connected to other terminals\n boolean getConnection(int n1, int n2) { return !(n1 == 1 || n2 == 1); }\n}\n\n" }, { "path": "src/TunnelDiodeElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass TunnelDiodeElm extends CircuitElm {\n public TunnelDiodeElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tsetup();\n }\n public TunnelDiodeElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tsetup();\n }\n boolean nonLinear() { return true; }\n void setup() {\n }\n int getDumpType() { return 175; }\n\t\n final int hs = 8;\n Polygon poly;\n Point cathode[];\n\t\n void setPoints() {\n\tsuper.setPoints();\n\tcalcLeads(16);\n\tcathode = newPointArray(4);\n\tPoint pa[] = newPointArray(2);\n\tinterpPoint2(lead1, lead2, pa[0], pa[1], 0, hs);\n\tinterpPoint2(lead1, lead2, cathode[0], cathode[1], 1, hs);\n\tinterpPoint2(lead1, lead2, cathode[2], cathode[3], .8, hs);\n\tpoly = createPolygon(pa[0], pa[1], lead2);\n }\n\t\n void draw(Graphics g) {\n\tsetBbox(point1, point2, hs);\n\n\tdouble v1 = volts[0];\n\tdouble v2 = volts[1];\n\n\tdraw2Leads(g);\n\n\t// draw arrow thingy\n\tsetPowerColor(g, true);\n\tsetVoltageColor(g, v1);\n\tg.fillPolygon(poly);\n\n\t// draw thing arrow is pointing to\n\tsetVoltageColor(g, v2);\n\tdrawThickLine(g, cathode[0], cathode[1]);\n\tdrawThickLine(g, cathode[2], cathode[0]);\n\tdrawThickLine(g, cathode[3], cathode[1]);\n\n\tdoDots(g);\n\tdrawPosts(g);\n }\n\t\n void reset() {\n\tlastvoltdiff = volts[0] = volts[1] = curcount = 0;\n }\n\t\n double lastvoltdiff;\n double limitStep(double vnew, double vold) {\n\t// Prevent voltage changes of more than 1V when iterating. Wow, I thought it would be\n\t// much harder than this to prevent convergence problems.\n\tif (vnew > vold+1)\n\t return vold+1;\n\tif (vnew < vold-1)\n\t return vold-1;\n\treturn vnew;\n }\n void stamp() {\n\tsim.stampNonLinear(nodes[0]);\n\tsim.stampNonLinear(nodes[1]);\n }\n static final double pvp = .1;\n static final double pip = 4.7e-3;\n static final double pvv = .37;\n static final double pvt = .026;\n static final double pvpp = .525;\n static final double piv = 370e-6;\n void doStep() {\n\tdouble voltdiff = volts[0] - volts[1];\n\tif (Math.abs(voltdiff-lastvoltdiff) > .01)\n\t sim.converged = false;\n\t//System.out.println(voltdiff + \" \" + lastvoltdiff + \" \" + Math.abs(voltdiff-lastvoltdiff));\n\tvoltdiff = limitStep(voltdiff, lastvoltdiff);\n\tlastvoltdiff = voltdiff;\n\t\n\tdouble i = pip*Math.exp(-pvpp/pvt)*(Math.exp(voltdiff/pvt)-1) +\n\t pip*(voltdiff/pvp)*Math.exp(1-voltdiff/pvp) +\n\t piv*Math.exp(voltdiff-pvv);\n\t\n\tdouble geq = pip*Math.exp(-pvpp/pvt)*Math.exp(voltdiff/pvt)/pvt +\n\t pip*Math.exp(1-voltdiff/pvp)/pvp\n\t - Math.exp(1-voltdiff/pvp)*pip*voltdiff/(pvp*pvp) +\n\t Math.exp(voltdiff-pvv)*piv;\n\tdouble nc = i - geq*voltdiff;\n\tsim.stampConductance(nodes[0], nodes[1], geq);\n\tsim.stampCurrentSource(nodes[0], nodes[1], nc);\n }\n void calculateCurrent() {\n\tdouble voltdiff = volts[0] - volts[1];\n\tcurrent = pip*Math.exp(-pvpp/pvt)*(Math.exp(voltdiff/pvt)-1) +\n\t pip*(voltdiff/pvp)*Math.exp(1-voltdiff/pvp) +\n\t piv*Math.exp(voltdiff-pvv);\n }\n void getInfo(String arr[]) {\n\tarr[0] = \"tunnel diode\";\n\tarr[1] = \"I = \" + getCurrentText(getCurrent());\n\tarr[2] = \"Vd = \" + getVoltageText(getVoltageDiff());\n\tarr[3] = \"P = \" + getUnitText(getPower(), \"W\");\n }\n}\n" }, { "path": "src/VCOElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class VCOElm extends ChipElm {\n\tpublic VCOElm(int xx, int yy) { super(xx, yy); }\n\tpublic VCOElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t}\n\tString getChipName() { return \"VCO\"; }\n\tvoid setupPins() {\n\t sizeX = 2;\n\t sizeY = 4;\n\t pins = new Pin[6];\n\t pins[0] = new Pin(0, SIDE_W, \"Vi\");\n\t pins[1] = new Pin(3, SIDE_W, \"Vo\");\n\t pins[1].output = true;\n\t pins[2] = new Pin(0, SIDE_E, \"C\");\n\t pins[3] = new Pin(1, SIDE_E, \"C\");\n\t pins[4] = new Pin(2, SIDE_E, \"R1\");\n\t pins[4].output = true;\n\t pins[5] = new Pin(3, SIDE_E, \"R2\");\n\t pins[5].output = true;\n\t}\n\tboolean nonLinear() { return true; }\n\tvoid stamp() {\n\t // output pin\n\t sim.stampVoltageSource(0, nodes[1], pins[1].voltSource);\n\t // attach Vi to R1 pin so its current is proportional to Vi\n\t sim.stampVoltageSource(nodes[0], nodes[4], pins[4].voltSource, 0);\n\t // attach 5V to R2 pin so we get a current going\n\t sim.stampVoltageSource(0, nodes[5], pins[5].voltSource, 5);\n\t // put resistor across cap pins to give current somewhere to go\n\t // in case cap is not connected\n\t sim.stampResistor(nodes[2], nodes[3], cResistance);\n\t sim.stampNonLinear(nodes[2]);\n\t sim.stampNonLinear(nodes[3]);\n\t}\n\tfinal double cResistance = 1e6;\n\tdouble cCurrent;\n\tint cDir;\n\tvoid doStep() {\n\t double vc = volts[3]-volts[2];\n\t double vo = volts[1];\n\t int dir = (vo < 2.5) ? 1 : -1;\n\t // switch direction of current through cap as we oscillate\n\t if (vo < 2.5 && vc > 4.5) {\n\t\tvo = 5;\n\t\tdir = -1;\n\t }\n\t if (vo > 2.5 && vc < .5) {\n\t\tvo = 0;\n\t\tdir = 1;\n\t }\n\n\t // generate output voltage\n\t sim.updateVoltageSource(0, nodes[1], pins[1].voltSource, vo);\n\t // now we set the current through the cap to be equal to the\n\t // current through R1 and R2, so we can measure the voltage\n\t // across the cap\n\t int cur1 = sim.nodeList.size() + pins[4].voltSource;\n\t int cur2 = sim.nodeList.size() + pins[5].voltSource;\n\t sim.stampMatrix(nodes[2], cur1, dir);\n\t sim.stampMatrix(nodes[2], cur2, dir);\n\t sim.stampMatrix(nodes[3], cur1, -dir);\n\t sim.stampMatrix(nodes[3], cur2, -dir);\n\t cDir = dir;\n\t}\n\t// can't do this in calculateCurrent() because it's called before\n // we get pins[4].current and pins[5].current, which we need\n\tvoid computeCurrent() {\n\t if (cResistance == 0)\n\t\treturn;\n\t double c = cDir*(pins[4].current + pins[5].current) +\n\t\t(volts[3]-volts[2])/cResistance;\n\t pins[2].current = -c;\n\t pins[3].current = c;\n\t pins[0].current = -pins[4].current;\n\t}\n\tvoid draw(Graphics g) {\n\t computeCurrent();\n\t drawChip(g);\n\t}\n\tint getPostCount() { return 6; }\n\tint getVoltageSourceCount() { return 3; }\n\tint getDumpType() { return 158; }\n }\n" }, { "path": "src/VarRailElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class VarRailElm extends RailElm {\n\tScrollbar slider;\n\tLabel label;\n\tString sliderText;\n\tpublic VarRailElm(int xx, int yy) {\n\t super(xx, yy, WF_VAR);\n\t sliderText = \"Voltage\";\n\t frequency = maxVoltage;\n\t createSlider();\n\t}\n\tpublic VarRailElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t sliderText = st.nextToken();\n\t while (st.hasMoreTokens())\n\t\tsliderText += ' ' + st.nextToken();\n\t createSlider();\n\t}\n\tString dump() {\n\t return super.dump() + \" \" + sliderText;\n\t}\n\tint getDumpType() { return 172; }\n\tvoid createSlider() {\n\t waveform = WF_VAR;\n\t sim.main.add(label = new Label(sliderText, Label.CENTER));\n\t int value = (int) ((frequency-bias)*100/(maxVoltage-bias));\n\t sim.main.add(slider = new Scrollbar(Scrollbar.HORIZONTAL, value, 1, 0, 101));\n\t sim.main.validate();\n\t}\n\tdouble getVoltage() {\n\t frequency = slider.getValue() * (maxVoltage-bias) / 100. + bias;\n\t return frequency;\n\t}\n\tvoid delete() {\n\t sim.main.remove(label);\n\t sim.main.remove(slider);\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0)\n\t\treturn new EditInfo(\"Min Voltage\", bias, -20, 20);\n\t if (n == 1)\n\t\treturn new EditInfo(\"Max Voltage\", maxVoltage, -20, 20);\n\t if (n == 2) {\n\t\tEditInfo ei = new EditInfo(\"Slider Text\", 0, -1, -1);\n\t\tei.text = sliderText;\n\t\treturn ei;\n\t }\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0)\n\t\tbias = ei.value;\n\t if (n == 1)\n\t\tmaxVoltage = ei.value;\n\t if (n == 2) {\n\t\tsliderText = ei.textf.getText();\n\t\tlabel.setText(sliderText);\n\t }\n\t}\n\tint getShortcut() { return 0; }\n }\n" }, { "path": "src/VoltageElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\nclass VoltageElm extends CircuitElm {\n static final int FLAG_COS = 2;\n int waveform;\n static final int WF_DC = 0;\n static final int WF_AC = 1;\n static final int WF_SQUARE = 2;\n static final int WF_TRIANGLE = 3;\n static final int WF_SAWTOOTH = 4;\n static final int WF_PULSE = 5;\n static final int WF_VAR = 6;\n double frequency, maxVoltage, freqTimeZero, bias,\n\tphaseShift, dutyCycle;\n VoltageElm(int xx, int yy, int wf) {\n\tsuper(xx, yy);\n\twaveform = wf;\n\tmaxVoltage = 5;\n\tfrequency = 40;\n\tdutyCycle = .5;\n\treset();\n }\n public VoltageElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f);\n\tmaxVoltage = 5;\n\tfrequency = 40;\n\twaveform = WF_DC;\n\tdutyCycle = .5;\n\ttry {\n\t waveform = new Integer(st.nextToken()).intValue();\n\t frequency = new Double(st.nextToken()).doubleValue();\n\t maxVoltage = new Double(st.nextToken()).doubleValue();\n\t bias = new Double(st.nextToken()).doubleValue();\n\t phaseShift = new Double(st.nextToken()).doubleValue();\n\t dutyCycle = new Double(st.nextToken()).doubleValue();\n\t} catch (Exception e) {\n\t}\n\tif ((flags & FLAG_COS) != 0) {\n\t flags &= ~FLAG_COS;\n\t phaseShift = pi/2;\n\t}\n\treset();\n }\n int getDumpType() { return 'v'; }\n String dump() {\n\treturn super.dump() + \" \" + waveform + \" \" + frequency + \" \" +\n\t maxVoltage + \" \" + bias + \" \" + phaseShift + \" \" +\n\t dutyCycle;\n }\n /*void setCurrent(double c) {\n current = c;\n System.out.print(\"v current set to \" + c + \"\\n\");\n }*/\n\n void reset() {\n\tfreqTimeZero = 0;\n\tcurcount = 0;\n }\n double triangleFunc(double x) {\n\tif (x < pi)\n\t return x*(2/pi)-1;\n\treturn 1-(x-pi)*(2/pi);\n }\n void stamp() {\n\tif (waveform == WF_DC)\n\t sim.stampVoltageSource(nodes[0], nodes[1], voltSource,\n\t\t\t getVoltage());\n\telse\n\t sim.stampVoltageSource(nodes[0], nodes[1], voltSource);\n }\n void doStep() {\n\tif (waveform != WF_DC)\n\t sim.updateVoltageSource(nodes[0], nodes[1], voltSource,\n\t\t\t\tgetVoltage());\n }\n double getVoltage() {\n\tdouble w = 2*pi*(sim.t-freqTimeZero)*frequency + phaseShift;\n\tswitch (waveform) {\n\tcase WF_DC: return maxVoltage+bias;\n\tcase WF_AC: return Math.sin(w)*maxVoltage+bias;\n\tcase WF_SQUARE:\n\t return bias+((w % (2*pi) > (2*pi*dutyCycle)) ?\n\t\t\t -maxVoltage : maxVoltage);\n\tcase WF_TRIANGLE:\n\t return bias+triangleFunc(w % (2*pi))*maxVoltage;\n\tcase WF_SAWTOOTH:\n\t return bias+(w % (2*pi))*(maxVoltage/pi)-maxVoltage;\n\tcase WF_PULSE:\n\t return ((w % (2*pi)) < 1) ? maxVoltage+bias : bias;\n\tdefault: return 0;\n\t}\n }\n final int circleSize = 17;\n void setPoints() {\n\tsuper.setPoints();\n\tcalcLeads((waveform == WF_DC || waveform == WF_VAR) ? 8 : circleSize*2);\n }\n void draw(Graphics g) {\n\tsetBbox(x, y, x2, y2);\n\tdraw2Leads(g);\n\tif (waveform == WF_DC) {\n\t setPowerColor(g, false);\n\t setVoltageColor(g, volts[0]);\n\t interpPoint2(lead1, lead2, ps1, ps2, 0, 10);\n\t drawThickLine(g, ps1, ps2);\n\t setVoltageColor(g, volts[1]);\n\t int hs = 16;\n\t setBbox(point1, point2, hs);\n\t interpPoint2(lead1, lead2, ps1, ps2, 1, hs);\n\t drawThickLine(g, ps1, ps2);\n\t} else {\n\t setBbox(point1, point2, circleSize);\n\t interpPoint(lead1, lead2, ps1, .5);\n\t drawWaveform(g, ps1);\n\t}\n\tupdateDotCount();\n\tif (sim.dragElm != this) {\n\t if (waveform == WF_DC)\n\t\tdrawDots(g, point1, point2, curcount);\n\t else {\n\t\tdrawDots(g, point1, lead1, curcount);\n\t\tdrawDots(g, point2, lead2, -curcount);\n\t }\n\t}\n\tdrawPosts(g);\n }\n\t\n void drawWaveform(Graphics g, Point center) {\n\tg.setColor(needsHighlight() ? selectColor : Color.gray);\n\tsetPowerColor(g, false);\n\tint xc = center.x; int yc = center.y;\n\tdrawThickCircle(g, xc, yc, circleSize);\n\tint wl = 8;\n\tadjustBbox(xc-circleSize, yc-circleSize,\n\t\t xc+circleSize, yc+circleSize);\n\tint xc2;\n\tswitch (waveform) {\n\tcase WF_DC:\n\t{\n\t break;\n\t}\n\tcase WF_SQUARE:\n\t xc2 = (int) (wl*2*dutyCycle-wl+xc);\n\t xc2 = max(xc-wl+3, min(xc+wl-3, xc2));\n\t drawThickLine(g, xc-wl, yc-wl, xc-wl, yc );\n\t drawThickLine(g, xc-wl, yc-wl, xc2 , yc-wl);\n\t drawThickLine(g, xc2 , yc-wl, xc2 , yc+wl);\n\t drawThickLine(g, xc+wl, yc+wl, xc2 , yc+wl);\n\t drawThickLine(g, xc+wl, yc , xc+wl, yc+wl);\n\t break;\n\tcase WF_PULSE:\n\t yc += wl/2;\n\t drawThickLine(g, xc-wl, yc-wl, xc-wl, yc );\n\t drawThickLine(g, xc-wl, yc-wl, xc-wl/2, yc-wl);\n\t drawThickLine(g, xc-wl/2, yc-wl, xc-wl/2, yc);\n\t drawThickLine(g, xc-wl/2, yc, xc+wl, yc);\n\t break;\n\tcase WF_SAWTOOTH:\n\t drawThickLine(g, xc , yc-wl, xc-wl, yc );\n\t drawThickLine(g, xc , yc-wl, xc , yc+wl);\n\t drawThickLine(g, xc , yc+wl, xc+wl, yc );\n\t break;\n\tcase WF_TRIANGLE:\n\t{\n\t int xl = 5;\n\t drawThickLine(g, xc-xl*2, yc , xc-xl, yc-wl);\n\t drawThickLine(g, xc-xl, yc-wl, xc, yc);\n\t drawThickLine(g, xc , yc, xc+xl, yc+wl);\n\t drawThickLine(g, xc+xl, yc+wl, xc+xl*2, yc);\n\t break;\n\t}\n\tcase WF_AC:\n\t{\n\t int i;\n\t int xl = 10;\n\t int ox = -1, oy = -1;\n\t for (i = -xl; i <= xl; i++) {\n\t\tint yy = yc+(int) (.95*Math.sin(i*pi/xl)*wl);\n\t\tif (ox != -1)\n\t\t drawThickLine(g, ox, oy, xc+i, yy);\n\t\tox = xc+i; oy = yy;\n\t }\n\t break;\n\t}\n\t}\n\tif (sim.showValuesCheckItem.getState()) {\n\t String s = getShortUnitText(frequency, \"Hz\");\n\t if (dx == 0 || dy == 0)\n\t\tdrawValues(g, s, circleSize);\n\t}\n }\n\t\n int getVoltageSourceCount() {\n\treturn 1;\n }\n double getPower() { return -getVoltageDiff()*current; }\n double getVoltageDiff() { return volts[1] - volts[0]; }\n void getInfo(String arr[]) {\n\tswitch (waveform) {\n\tcase WF_DC: case WF_VAR:\n\t arr[0] = \"voltage source\"; break;\n\tcase WF_AC: arr[0] = \"A/C source\"; break;\n\tcase WF_SQUARE: arr[0] = \"square wave gen\"; break;\n\tcase WF_PULSE: arr[0] = \"pulse gen\"; break;\n\tcase WF_SAWTOOTH: arr[0] = \"sawtooth gen\"; break;\n\tcase WF_TRIANGLE: arr[0] = \"triangle gen\"; break;\n\t}\n\tarr[1] = \"I = \" + getCurrentText(getCurrent());\n\tarr[2] = ((this instanceof RailElm) ? \"V = \" : \"Vd = \") +\n\t getVoltageText(getVoltageDiff());\n\tif (waveform != WF_DC && waveform != WF_VAR) {\n\t arr[3] = \"f = \" + getUnitText(frequency, \"Hz\");\n\t arr[4] = \"Vmax = \" + getVoltageText(maxVoltage);\n\t int i = 5;\n\t if (bias != 0)\n\t\tarr[i++] = \"Voff = \" + getVoltageText(bias);\n\t else if (frequency > 500)\n\t\tarr[i++] = \"wavelength = \" +\n\t\t getUnitText(2.9979e8/frequency, \"m\");\n\t arr[i++] = \"P = \" + getUnitText(getPower(), \"W\");\n\t}\n }\n public EditInfo getEditInfo(int n) {\n\tif (n == 0)\n\t return new EditInfo(waveform == WF_DC ? \"Voltage\" :\n\t\t\t\t\"Max Voltage\", maxVoltage, -20, 20);\n\tif (n == 1) {\n\t EditInfo ei = new EditInfo(\"Waveform\", waveform, -1, -1);\n\t ei.choice = new Choice();\n\t ei.choice.add(\"D/C\");\n\t ei.choice.add(\"A/C\");\n\t ei.choice.add(\"Square Wave\");\n\t ei.choice.add(\"Triangle\");\n\t ei.choice.add(\"Sawtooth\");\n\t ei.choice.add(\"Pulse\");\n\t ei.choice.select(waveform);\n\t return ei;\n\t}\n\tif (waveform == WF_DC)\n\t return null;\n\tif (n == 2)\n\t return new EditInfo(\"Frequency (Hz)\", frequency, 4, 500);\n\tif (n == 3)\n\t return new EditInfo(\"DC Offset (V)\", bias, -20, 20);\n\tif (n == 4)\n\t return new EditInfo(\"Phase Offset (degrees)\", phaseShift*180/pi,\n\t\t\t\t-180, 180).setDimensionless();\n\tif (n == 5 && waveform == WF_SQUARE)\n\t return new EditInfo(\"Duty Cycle\", dutyCycle*100, 0, 100).\n\t\tsetDimensionless();\n\treturn null;\n }\n public void setEditValue(int n, EditInfo ei) {\n\tif (n == 0)\n\t maxVoltage = ei.value;\n\tif (n == 3)\n\t bias = ei.value;\n\tif (n == 2) {\n\t // adjust time zero to maintain continuity ind the waveform\n\t // even though the frequency has changed.\n\t double oldfreq = frequency;\n\t frequency = ei.value;\n\t double maxfreq = 1/(8*sim.timeStep);\n\t if (frequency > maxfreq)\n\t\tfrequency = maxfreq;\n\t double adj = frequency-oldfreq;\n\t freqTimeZero = sim.t-oldfreq*(sim.t-freqTimeZero)/frequency;\n\t}\n\tif (n == 1) {\n\t int ow = waveform;\n\t waveform = ei.choice.getSelectedIndex();\n\t if (waveform == WF_DC && ow != WF_DC) {\n\t\tei.newDialog = true;\n\t\tbias = 0;\n\t } else if (waveform != WF_DC && ow == WF_DC) {\n\t\tei.newDialog = true;\n\t }\n\t if ((waveform == WF_SQUARE || ow == WF_SQUARE) &&\n\t\twaveform != ow)\n\t\tei.newDialog = true;\n\t setPoints();\n\t}\n\tif (n == 4)\n\t phaseShift = ei.value*pi/180;\n\tif (n == 5)\n\t dutyCycle = ei.value*.01;\n }\n}\n" }, { "path": "src/WireElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class WireElm extends ResistorElm {\n\tpublic static boolean ideal = false;\n\tprivate static final double defaultResistance = 1E-06;\n\tpublic WireElm(int xx, int yy) { super(xx, yy); resistance = defaultResistance; }\n\tpublic WireElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, new StringTokenizer(\"0.0\"));\n\t resistance = defaultResistance;\n\t}\n\tstatic final int FLAG_SHOWCURRENT = 1;\n\tstatic final int FLAG_SHOWVOLTAGE = 2;\n\tvoid draw(Graphics g) {\n\t setVoltageColor(g, volts[0]);\n\t drawThickLine(g, point1, point2);\n\t doDots(g);\n\t setBbox(point1, point2, 3);\n\t if (mustShowCurrent()) {\n\t String s = getShortUnitText(Math.abs(getCurrent()), \"A\");\n\t drawValues(g, s, 4);\n\t } else if (mustShowVoltage()) {\n\t String s = getShortUnitText(volts[0], \"V\");\n\t drawValues(g, s, 4);\n\t }\n\t drawPosts(g);\n\t}\n\n\tvoid calculateCurrent() {\n\t if (!ideal) {\n\t\tsuper.calculateCurrent();\n\t }\n\t}\n\tvoid stamp() {\n\t if (ideal) {\n\t\tsim.stampVoltageSource(nodes[0], nodes[1], voltSource, 0);\n\t } else {\n\t\tsim.stampResistor(nodes[0], nodes[1], resistance);\n\t }\n\t}\n\tboolean mustShowCurrent() {\n\t return (flags & FLAG_SHOWCURRENT) != 0;\n\t}\n\tboolean mustShowVoltage() {\n\t return (flags & FLAG_SHOWVOLTAGE) != 0;\n\t}\n\tint getVoltageSourceCount() {\n\t if(ideal) {\n\t\treturn 1;\n\t } else {\n\t\treturn super.getVoltageSourceCount();\n\t }\n\t}\n\tvoid getInfo(String arr[]) {\n\t arr[0] = \"wire\";\n\t arr[1] = \"I = \" + getCurrentDText(getCurrent());\n\t arr[2] = \"V = \" + getVoltageText(volts[0]);\n\t}\n\tdouble getPower() {\n\t if (ideal) {\n\t\treturn 0;\n\t } else {\n\t\treturn super.getPower();\n\t }\n\t}\n\tdouble getVoltageDiff() {\n\t if (ideal) {\n\t\treturn volts[0];\n\t } else {\n\t\treturn super.getVoltageDiff();\n\t }\n\t}\n\tboolean isWire() {\n\t return ideal;\n\t}\n\tpublic EditInfo getEditInfo(int n) {\n\t if (n == 0) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Show Current\", mustShowCurrent());\n\t\treturn ei;\n\t }\n\t if (n == 1) {\n\t\tEditInfo ei = new EditInfo(\"\", 0, -1, -1);\n\t\tei.checkbox = new Checkbox(\"Show Voltage\", mustShowVoltage());\n\t\treturn ei;\n\t }\n\t return null;\n\t}\n\tpublic void setEditValue(int n, EditInfo ei) {\n\t if (n == 0) {\n\t\tif (ei.checkbox.getState())\n\t\t flags = FLAG_SHOWCURRENT;\n\t\telse\n\t\t flags &= ~FLAG_SHOWCURRENT;\n\t }\n\t if (n == 1) {\n\t\tif (ei.checkbox.getState())\n\t\t flags = FLAG_SHOWVOLTAGE;\n\t\telse\n\t\t flags &= ~FLAG_SHOWVOLTAGE;\n\t }\n\t}\n int getShortcut() { return 'w'; }\n\tint getDumpType() { return 'w'; }\n\tString dump() {\n\t int t = getDumpType();\n\t return (t < 127 ? ((char)t)+\" \" : t+\" \") + x + \" \" + y + \" \" +\n\t\tx2 + \" \" + y2 + \" \" + flags;\n\t}\n }\n" }, { "path": "src/XorGateElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n class XorGateElm extends OrGateElm {\n\tpublic XorGateElm(int xx, int yy) { super(xx, yy); }\n\tpublic XorGateElm(int xa, int ya, int xb, int yb, int f,\n\t\t\t StringTokenizer st) {\n\t super(xa, ya, xb, yb, f, st);\n\t}\n\tString getGateName() { return \"XOR gate\"; }\n\tboolean calcFunction() {\n\t int i;\n\t boolean f = false;\n\t for (i = 0; i != inputCount; i++)\n\t\tf ^= getInput(i);\n\t return f;\n\t}\n\tint getDumpType() { return 154; }\n\tint getShortcut() { return '4'; }\n }\n" }, { "path": "src/ZenerElm.java", "content": "import java.awt.*;\nimport java.util.StringTokenizer;\n\n// Zener code contributed by J. Mike Rollins\n// http://www.camotruck.net/rollins/simulator.html\nclass ZenerElm extends DiodeElm {\n public ZenerElm(int xx, int yy) {\n\tsuper(xx, yy);\n\tzvoltage = default_zvoltage;\n\tsetup();\n }\n public ZenerElm(int xa, int ya, int xb, int yb, int f,\n\t\t StringTokenizer st) {\n\tsuper(xa, ya, xb, yb, f, st);\n\tzvoltage = new Double(st.nextToken()).doubleValue();\n\tsetup();\n }\n void setup() {\n\tdiode.leakage = 5e-6; // 1N4004 is 5.0 uAmp\n\tsuper.setup();\n }\n int getDumpType() { return 'z'; }\n String dump() {\n\treturn super.dump() + \" \" + zvoltage;\n }\n\t\n final int hs = 8;\n Polygon poly;\n Point cathode[];\n Point wing[];\n\t\n void setPoints() {\n\tsuper.setPoints();\n\tcalcLeads(16);\n\tcathode = newPointArray(2);\n\twing = newPointArray(2);\n\tPoint pa[] = newPointArray(2);\n\tinterpPoint2(lead1, lead2, pa[0], pa[1], 0, hs);\n\tinterpPoint2(lead1, lead2, cathode[0], cathode[1], 1, hs);\n\tinterpPoint(cathode[0], cathode[1], wing[0], -0.2, -hs);\n\tinterpPoint(cathode[1], cathode[0], wing[1], -0.2, -hs);\n\tpoly = createPolygon(pa[0], pa[1], lead2);\n }\n\t\n void draw(Graphics g) {\n\tsetBbox(point1, point2, hs);\n\n\tdouble v1 = volts[0];\n\tdouble v2 = volts[1];\n\n\tdraw2Leads(g);\n\n\t// draw arrow thingy\n\tsetPowerColor(g, true);\n\tsetVoltageColor(g, v1);\n\tg.fillPolygon(poly);\n\n\t// draw thing arrow is pointing to\n\tsetVoltageColor(g, v2);\n\tdrawThickLine(g, cathode[0], cathode[1]);\n\n\t// draw wings on cathode\n\tdrawThickLine(g, wing[0], cathode[0]);\n\tdrawThickLine(g, wing[1], cathode[1]);\n\t \n\tdoDots(g);\n\tdrawPosts(g);\n }\n\t\n final double default_zvoltage = 5.6;\n\n void getInfo(String arr[]) {\n\tsuper.getInfo(arr);\n\tarr[0] = \"Zener diode\";\n\tarr[5] = \"Vz = \" + getVoltageText(zvoltage);\n }\n public EditInfo getEditInfo(int n) {\n\tif (n == 0)\n\t return new EditInfo(\"Fwd Voltage @ 1A\", fwdrop, 10, 1000);\n\tif (n == 1)\n\t return new EditInfo(\"Zener Voltage @ 5mA\", zvoltage, 1, 25);\n\treturn null;\n } \n public void setEditValue(int n, EditInfo ei) {\n\tif (n == 0)\n\t fwdrop = ei.value;\n\tif (n == 1)\n\t zvoltage = ei.value;\n\tsetup();\n }\n int getShortcut() { return 0; }\n}\n" }, { "path": "src/circuits/3-cgand.txt", "content": "$ 1 5.0E-6 11.251013186076355 50 5.0 50\nf 352 416 464 416 6 3.25\nf 352 368 464 368 6 3.25\nw 464 384 464 400 0\nf 304 304 352 304 7 -1.75\nf 224 304 272 304 7 -1.75\nw 352 320 352 336 0\nw 272 320 272 336 0\nw 272 336 352 336 0\nw 352 336 464 336 0\nw 464 336 464 352 0\nw 272 272 272 288 0\nw 272 272 352 272 0\nw 352 272 352 288 0\nf 304 240 352 240 6 -1.75\nf 304 192 352 192 6 -1.75\nw 352 256 352 272 0\nw 352 208 352 224 0\nR 352 176 352 144 0 0 40.0 2.5 0.0 0.0 0.5\nw 304 192 224 192 0\nw 224 192 224 304 0\nw 304 240 304 304 0\nw 304 240 192 240 0\nw 192 240 192 368 0\nw 192 368 352 368 0\nw 160 192 224 192 0\nw 160 192 160 416 0\nw 160 416 352 416 0\ng 464 432 464 448 0\nf 368 112 416 112 7 3.25\nf 400 64 464 64 7 3.25\nw 464 16 464 48 0\nw 416 16 416 96 0\nw 416 16 464 16 0\nw 464 240 464 336 0\nw 400 64 160 64 0\nw 160 64 160 192 0\nw 192 240 192 112 0\nw 192 112 368 112 0\nR 416 16 368 16 0 0 40.0 5.0 0.0 0.0 0.5\nw 416 128 416 144 0\nw 416 144 464 144 0\nw 464 144 464 80 0\nw 464 144 464 240 0\nM 464 240 528 240 1 2.5\nL 160 192 96 192 1 2 false 5.0 0.0\nL 192 240 96 240 1 1 false 5.0 0.0\n" }, { "path": "src/circuits/3-cgor.txt", "content": "$ 1 5.0E-6 10.812258501325767 50 5.0 50\nf 368 368 480 368 6 3.25\nw 480 384 480 400 0\nw 368 320 368 336 0\nw 288 320 288 336 0\nw 288 336 368 336 0\nw 480 336 480 352 0\nw 288 272 288 288 0\nw 288 272 368 272 0\nw 368 272 368 288 0\nw 368 256 368 272 0\nw 368 208 368 224 0\nR 368 176 368 144 0 0 40.0 2.5 0.0 0.0 0.5\nw 320 192 240 192 0\nw 240 192 240 304 0\nw 320 240 320 304 0\nw 320 240 208 240 0\nw 208 240 208 368 0\nw 208 368 368 368 0\nw 176 192 240 192 0\nw 176 192 176 416 0\nw 176 416 368 416 0\nf 416 64 480 64 7 3.25\nw 480 16 480 48 0\nw 432 16 480 16 0\nw 480 240 480 336 0\nM 480 240 544 240 1 2.5\nw 416 64 176 64 0\nw 176 64 176 192 0\nw 208 240 208 112 0\nL 176 192 80 192 1 2 false 5.0 0.0\nL 208 240 80 240 1 1 false 5.0 0.0\nR 432 16 384 16 0 0 40.0 5.0 0.0 0.0 0.5\nw 480 144 480 240 0\nf 416 112 480 112 7 3.25\nw 480 80 480 96 0\nw 480 128 480 144 0\nw 208 112 416 112 0\nf 368 416 432 416 6 3.25\ng 480 400 480 416 0\ng 432 432 432 448 0\nw 368 336 432 336 0\nw 432 336 432 400 0\nw 432 336 480 336 0\nf 240 304 288 304 6 -1.75\nf 320 304 368 304 6 -1.75\nf 320 192 368 192 7 -1.75\nf 320 240 368 240 7 -1.75\n" }, { "path": "src/circuits/3-f211.txt", "content": "$ 1 5.0E-6 10.812258501325767 50 5.0 50\nf 288 288 352 288 6 -1.75\nw 352 272 352 240 0\nw 352 240 352 208 0\nf 288 192 352 192 7 3.25\nw 288 192 288 240 0\nw 288 240 288 288 0\nR 352 176 352 128 0 0 40.0 5.0 0.0 0.0 0.5\nM 352 240 400 240 1 2.5\nL 288 240 240 240 1 0 false 5.0 0.0\nR 352 304 352 352 0 0 40.0 2.5 0.0 0.0 0.5\n" }, { "path": "src/circuits/3-f220.txt", "content": "$ 1 5.0E-6 10.812258501325767 50 5.0 50\nf 288 288 352 288 6 3.25\nw 352 272 352 240 0\nw 352 240 352 208 0\nf 288 192 352 192 7 0.75\nw 288 192 288 240 0\nw 288 240 288 288 0\nR 352 176 352 128 0 0 40.0 5.0 0.0 0.0 0.5\nM 352 240 400 240 1 2.5\nL 288 240 240 240 1 0 false 5.0 0.0\ng 352 304 352 336 0\n" }, { "path": "src/circuits/3-f221.txt", "content": "$ 1 5.0E-6 10.812258501325767 50 5.0 50\nf 288 288 352 288 6 0.75\nw 352 272 352 240 0\nw 352 240 352 208 0\nf 288 192 352 192 7 0.75\nw 288 192 288 240 0\nw 288 240 288 288 0\nR 352 176 352 128 0 0 40.0 5.0 0.0 0.0 0.5\nM 352 240 400 240 1 2.5\nL 288 240 240 240 1 0 false 5.0 0.0\nR 352 304 352 352 0 0 40.0 2.5 0.0 0.0 0.5\n" }, { "path": "src/circuits/3-invert.txt", "content": "$ 1 5.0E-6 10.812258501325767 50 5.0 50\nf 336 352 384 352 6 3.25\nf 256 272 304 272 6 -1.75\nf 256 208 304 208 7 -1.75\nw 304 320 384 320 0\nw 384 320 384 336 0\nw 256 272 256 352 0\nw 256 352 336 352 0\nw 304 224 304 256 0\nR 304 192 304 160 0 0 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208 176 208 0 false false 0\nw 80 80 80 208 0\nw 176 224 240 224 0\nw 208 160 208 192 0\nw 176 192 208 192 0\nw 208 192 208 256 0\nS 432 208 336 208 0 false false 0\nw 336 176 336 192 0\nw 336 224 336 240 0\nw 432 80 432 208 0\n" }, { "path": "src/circuits/555int.txt", "content": "$ 3 5.0E-6 5 64 7.0\na 288 168 384 168 1 5.0 0.0\na 288 264 384 264 1 5.0 0.0\nr 240 56 240 104 0 5000.0\nr 240 104 240 152 0 5000.0\nw 240 152 240 280 0\nr 240 280 240 328 0 5000.0\ng 240 328 240 336 0\nw 240 152 288 152 0\nw 240 104 272 104 0\nw 272 104 272 280 0\nw 272 280 288 280 0\nw 464 176 464 192 0\nw 384 184 384 192 0\nw 384 192 464 240 0\nw 464 240 464 256 0\nw 384 240 384 248 0\nw 384 240 464 192 0\nR 240 56 240 24 0 0 40.0 10.0 0.0\nR 88 56 88 24 0 0 40.0 10.0 0.0\nr 88 56 88 120 0 10000.0\nr 88 120 88 184 0 10000.0\nw 88 120 216 120 0\nw 216 120 216 352 0\nw 88 184 88 248 0\nc 88 248 88 352 0 3.0E-7 0\ng 88 352 88 368 0\nr 384 368 464 368 0 10000.0\nw 464 176 496 176 0\nw 464 368 496 368 0\n153 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{ "path": "src/circuits/allpass2.txt", "content": "$ 1 5.0E-6 10.634267539816555 55 5.0 50\na 320 224 416 224 0 15.0 -15.0\nr 320 208 240 208 0 1000.0\nr 320 240 240 240 0 1000.0\nw 320 208 320 144 0\nr 320 144 416 144 0 1000.0\nw 416 144 416 224 0\nc 320 240 320 320 0 1.0E-6 -4.292934919713338\ng 320 320 320 336 0\nw 240 208 240 240 0\nO 416 224 480 224 0\nR 240 208 192 208 0 2 100.0 5.0 0.0 0.0 0.5\no 9 16 0 34 24.0 9.765625E-55 0 -1 output\n" }, { "path": "src/circuits/amdetect.txt", "content": "$ 4 5.0E-6 25.23 50 5.0 50\nr 144 272 208 272 0 3000.0\nl 208 144 208 272 0 0.0010 0.18734471432590385\nw 208 144 272 144 0\nc 272 144 272 272 0 2.8144799999999998E-6 -2.5493952165122247\nw 208 272 272 272 0\nc 400 144 400 272 0 3.0E-7 3.6693609627456207\nw 400 144 464 144 0\nr 464 144 464 272 0 47000.0\nw 400 272 464 272 0\nw 144 144 208 144 0\nA 144 144 144 112 0\ng 144 272 144 320 0\np 144 144 144 272 0\nd 336 144 400 144 0\nw 272 144 336 144 0\nw 272 272 336 272 0\nw 336 272 400 272 0\np 336 144 336 272 0\nx 260 127 276 127 0 20 C1\nx 387 127 403 127 0 20 C2\no 12 8 0 6 40.0 9.765625E-5 0 antenna\no 17 4 0 14 10.0 9.765625E-5 1 carrier\no 7 256 0 14 10.0 9.765625E-5 2 out\nh 1 1 3\n" }, { "path": "src/circuits/amp-dfdx.txt", "content": "$ 1 5.0E-6 10 57 5.0\nv 112 256 112 96 0 3 40.0 5.0 0.0\ng 112 256 112 304 0\nw 352 128 352 192 0\nw 208 128 208 176 0\nw 112 256 208 256 0\nw 208 208 208 256 0\na 208 192 352 192 4\nc 112 96 208 96 0 2.0E-6 0.16559840149986407\nr 208 128 352 128 0 5000.0\nw 208 96 208 128 0\nO 352 192 416 192 0\no 0 32 0 2 10.0 0.0125 0\no 10 64 0 2 5.0 9.765625E-5 0\n" }, { "path": "src/circuits/amp-diff.txt", "content": "$ 1 5.0E-6 10 57 5.0 50\na 288 192 432 192 0 15.0 -15.0\nw 288 112 288 176 0\nw 432 192 432 112 0\nr 288 112 432 112 0 1000.0\nr 192 112 288 112 0 1000.0\nr 288 208 288 256 0 1000.0\ng 288 256 288 304 0\nr 288 208 192 208 0 1000.0\nR 192 112 128 112 0 1 60.0 5.0 0.0\nO 432 192 496 192 0\nv 192 208 128 208 0 2 120.0 1.0 0.0\nR 128 208 96 208 0 1 60.0 5.0 0.0\np 192 208 192 256 0\ng 192 256 192 304 0\no 8 64 0 2 7.0 0.025 0\no 12 64 0 2 7.0 9.765625E-5 0\no 9 64 0 2 2.5 2.44140625E-5 1\n" }, { "path": "src/circuits/amp-follower.txt", "content": "$ 1 5.0E-6 10.391409633455755 57 5.0 50\nv 96 224 96 80 0 1 40.0 5.0 0.0 0.0 0.5\ng 96 224 96 272 0\nw 192 176 192 224 0\na 192 160 320 160 1 15.0 -15.0\nw 320 160 320 224 0\nw 96 80 192 80 0\nw 192 80 192 144 0\nw 192 224 320 224 0\nO 384 160 432 160 0\nw 320 160 384 160 0\nr 384 160 384 224 0 1000.0\ng 384 224 384 272 0\no 0 64 0 34 5.0 9.765625E-5 0 -1\no 8 64 0 34 5.0 9.765625E-5 1 -1\n" }, { "path": "src/circuits/amp-fullrect.txt", "content": "$ 1 5.0E-6 16 62 1.0 50\na 176 288 272 288 0 15.0 -15.0\ng 176 304 176 336 0\nw 272 288 272 240 0\nd 272 240 176 240 0\nw 272 288 304 288 0\nd 304 192 304 288 0\nw 176 240 176 272 0\nw 176 240 176 192 0\nr 176 192 304 192 0 1000.0\nr 176 192 176 128 0 1000.0\nr 176 128 304 128 0 1000.0\nr 304 128 304 192 0 500.0\na 352 144 448 144 0 15.0 -15.0\nw 304 128 352 128 0\nw 352 128 352 96 0\nr 352 96 448 96 0 1000.0\nw 448 96 448 144 0\ng 352 160 352 192 0\nO 448 144 496 144 0\nR 176 128 128 128 0 1 40.0 1.0 0.0\no 19 64 0 2 5.0 0.1\no 18 64 0 2 5.0 9.765625E-5\n" }, { "path": "src/circuits/amp-integ.txt", "content": "$ 1 5.0E-6 10.391409633455755 57 5.0 50\ng 96 224 96 272 0\nw 336 112 336 160 0\nw 192 80 192 112 0\nw 192 112 192 144 0\nw 192 176 192 224 0\na 192 160 336 160 0 15.0 -15.0\nc 192 112 336 112 0 5.8E-6 0\nO 336 160 400 160 0\nv 96 224 96 144 0 2 40.0 5.0 0.0 3.141592653589793 0.5\nv 96 144 96 80 0 2 80.0 2.0 0.0 0.0 0.5\np 128 224 128 80 0\nw 96 224 128 224 0\nw 128 224 192 224 0\nw 96 80 128 80 0\nr 128 80 192 80 0 1000.0\no 10 32 0 34 10.0 9.765625E-5 0 -1 input\no 7 32 0 34 11.0 9.765625E-5 1 -1 integral\n" }, { "path": "src/circuits/amp-invert.txt", "content": "$ 1 5.0E-6 10 57 5.0\nv 96 256 96 112 0 1 40.0 5.0 0.0\ng 96 256 96 304 0\nr 96 112 192 112 0 1000.0\nr 192 144 336 144 0 3000.0\nw 336 144 336 192 0\nw 192 112 192 144 0\nw 192 144 192 176 0\nw 96 256 192 256 0\nw 192 208 192 256 0\na 192 192 336 192 0\nO 336 192 400 192 0\no 0 64 0 2 5.0 0.025\no 10 64 0 2 20.0 9.765625E-5\n" }, { "path": "src/circuits/amp-noninvert.txt", "content": "$ 1 5.0E-6 10 57 5.0\nv 96 256 96 112 0 1 40.0 5.0 0.0\ng 96 256 96 304 0\nw 192 208 192 256 0\na 192 192 336 192 1\nw 336 192 336 256 0\nr 192 256 336 256 0 2000.0\nr 96 256 192 256 0 1000.0\nw 96 112 192 112 0\nw 192 112 192 176 0\nO 336 192 400 192 0\no 0 64 0 2 5.0 9.765625E-5\no 9 64 0 2 10.0 9.765625E-5\n" }, { "path": "src/circuits/amp-rect.txt", "content": "$ 1 5.0E-6 10 71 1.0\na 240 192 352 192 0\nw 240 176 240 128 0\nd 352 192 352 128 0\nw 208 176 240 176 0\nr 208 176 128 176 0 10000.0\nw 208 176 208 256 0\nw 208 256 352 256 0\nd 352 256 352 192 0\nr 240 128 352 128 0 10000.0\nR 128 176 96 176 0 1 40.0 0.5 0.0\ng 240 208 240 224 0\nO 352 128 416 128 0\no 9 64 0 2 0.625 9.765625E-5\no 11 64 0 2 0.625 4.8828125E-5\n" }, { "path": "src/circuits/amp-schmitt.txt", "content": "$ 1 5.0E-6 10 66 5.0\na 320 208 432 208 0 15.0 -15.0\nw 432 208 432 272 0\nr 432 272 288 272 0 100000.0\nw 288 224 320 224 0\nw 288 224 288 272 0\nw 288 224 288 144 0\nr 288 144 288 80 0 10000.0\nr 288 272 288 336 0 10000.0\ng 288 336 288 368 0\nO 432 208 480 208 0\nR 288 80 288 48 0 0 40.0 10.0 0.0\nw 320 192 224 192 0\nv 224 192 160 192 0 1 40.0 5.0 0.0\nR 160 192 128 192 0 1 1000.0 1.0 5.0\np 224 192 224 336 0\nw 224 336 256 336 0\nw 256 336 288 336 0\np 256 224 256 336 0\nw 256 224 288 224 0\no 14 32 0 2 11.0 9.765625E-5 0 in\no 17 64 0 2 11.0 9.765625E-5 1 threshold\no 14 64 0 226 20.0 25.6 2 9 out vs in\n" }, { "path": "src/circuits/amp-sum.txt", "content": "$ 1 5.0E-6 16 57 5.0 50\na 288 208 432 208 0 15.0 -15.0\nw 288 128 288 192 0\nw 432 208 432 128 0\nr 288 128 432 128 0 1000.0\nw 288 224 288 272 0\ng 288 272 288 304 0\nw 288 192 240 192 0\nw 240 192 240 160 0\nw 240 192 240 224 0\nr 240 160 176 160 0 1000.0\nr 176 224 240 224 0 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10 54 5.0 50\nv 176 96 176 32 0 1 80.0 5.0 0.0\nr 176 32 336 32 0 200.0\nc 336 32 336 96 0 7.999999999999999E-5 -0.5102063628995691\nw 176 96 336 96 0\nv 176 192 176 128 0 1 80.0 5.0 0.0\nr 176 128 336 128 0 200.0\nw 176 192 336 192 0\nc 336 128 336 192 0 1.0E-5 -3.485547023514335\nv 176 288 176 224 0 1 80.0 5.0 0.0\nw 176 288 336 288 0\nc 336 224 336 288 0 1.0E-6 -3.321428082201859\nr 176 224 336 224 0 200.0\no 2 64 0 1 1.25 0.05\no 7 64 0 1 5.0 0.05\no 10 64 0 1 5.0 0.05\n" }, { "path": "src/circuits/capmultfreq.txt", "content": "$ 1 5.0E-6 10 54 5.0 50\nv 224 144 224 80 0 1 15.0 5.0 0.0\nr 224 80 384 80 0 200.0\nc 384 80 384 144 0 2.9999999999999997E-5 0.4703928719421789\nw 224 144 384 144 0\nv 224 240 224 176 0 1 40.0 5.0 0.0\nr 224 176 384 176 0 200.0\nw 224 240 384 240 0\nc 384 176 384 240 0 2.9999999999999997E-5 2.2457974270921146\nv 224 336 224 272 0 1 80.0 5.0 0.0\nw 224 336 384 336 0\nc 384 272 384 336 0 2.9999999999999997E-5 -1.4536204423595571\nr 224 272 384 272 0 200.0\no 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0\nc 144 240 144 336 0 9.999999999999999E-5 0\nw 48 64 128 64 0\nw 160 64 240 64 0\nr 288 336 384 336 0 100.0\nr 384 336 480 336 0 100.0\nw 480 64 480 336 0\nS 384 144 384 64 0 false false 1\nw 288 64 368 64 0\nw 400 64 480 64 0\nc 384 144 384 336 0 9.091E-5 0\nv 288 336 288 64 0 0 40.0 5.0 0.0\n" }, { "path": "src/circuits/cc2.txt", "content": "$ 1 5.0E-6 10.20027730826997 50 5.0 50\n179 272 224 304 224 0 1.0\nr 368 256 480 256 0 100.0\ng 480 256 480 288 0\n172 272 288 192 288 0 6 4.5 5.0 0.0 0.0 0.5 Y Voltage\n174 272 224 208 176 0 1000.0 0.5 X Resistance\nr 240 176 144 176 0 100.0\ng 144 176 144 192 0\n" }, { "path": "src/circuits/cc2imp.txt", "content": "$ 1 5.0E-6 1.1208435524800693 51 5.0 50\na 160 208 272 208 1 15.0 -15.0\nf 272 176 336 176 0 1.5\nf 272 240 336 240 1 1.5\nw 272 176 272 208 0\nw 272 208 272 240 0\nw 336 192 336 208 0\nw 336 208 336 224 0\nw 336 208 368 208 0\nw 160 288 160 224 1\nw 336 256 336 320 0\nf 400 368 336 368 0 1.5\nf 400 368 464 368 0 1.5\nw 336 320 400 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208 336 208 0\nw 144 288 144 224 1\nw 288 256 288 320 0\nf 336 368 288 368 0 1.5\nf 336 368 384 368 0 1.5\nw 288 320 336 320 0\nw 336 320 336 368 0\nw 288 320 288 352 0\nf 336 112 288 112 1 1.5\nf 336 112 384 112 1 1.5\nw 288 128 288 160 0\nw 288 160 336 160 0\nw 336 160 336 112 0\n172 144 192 80 192 0 6 2.6399999999999997 4.0 -4.0 0.0 0.5 Y Voltage\n174 48 224 144 256 0 500.0 0.9158000000000001 X Resistance\nr 96 256 96 320 0 100.0\ng 96 320 96 336 0\nR 288 96 288 48 0 0 40.0 10.0 0.0 0.0 0.5\nR 384 96 384 48 0 0 40.0 10.0 0.0 0.0 0.5\nR 288 384 288 432 0 0 40.0 -10.0 0.0 0.0 0.5\nR 384 384 384 432 0 0 40.0 -10.0 0.0 0.0 0.5\nw 144 288 336 288 2\nw 336 288 336 208 0\nf 496 112 448 112 1 1.5\nf 496 112 544 112 1 1.5\nw 496 112 496 160 0\nw 496 160 448 160 0\nw 448 128 448 160 0\nw 384 128 384 160 0\nf 496 368 448 368 0 1.5\nf 496 368 544 368 0 1.5\nw 448 320 496 320 0\nw 496 320 496 368 0\nw 448 320 448 352 0\nw 544 352 544 208 0\nw 544 208 544 128 0\nw 384 320 384 352 0\nw 384 160 448 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224 0\nr 368 224 304 224 0 100.0\ng 304 224 304 240 0\nR 144 320 112 320 0 3 40.0 5.0 0.0 1.5707963267948966 0.5\nw 240 288 368 288 0\no 10 64 0 33 2.5 0.05 0 -1 input\no 4 64 0 33 0.5114672824837722 0.009 0 -1 output\n" }, { "path": "src/circuits/cciamp.txt", "content": "$ 1 5.0E-6 10.20027730826997 50 5.0 50\n179 208 176 304 176 0 1.0\ni 144 304 208 304 0 0.01\ng 144 304 144 320 0\nw 208 240 208 304 0\nr 208 176 112 176 0 10.0\ng 112 176 112 192 0\ng 400 256 400 272 0\nw 208 240 144 240 0\n174 144 240 80 272 0 100.0 0.7277 Multiplier\n174 352 208 448 256 0 100.0 0.32180000000000003 Z Resistance\ng 112 272 112 288 0\nw 304 208 352 208 1\n" }, { "path": "src/circuits/ccinductor.txt", "content": "$ 1 5.0E-6 10.20027730826997 48 5.0 50\n179 240 80 256 80 1024 1.0\n179 240 256 272 256 1024 -1.0\nR 128 176 96 176 0 1 40.0 5.0 0.0 0.0 0.5\nr 128 176 224 176 0 50.0\nR 480 176 448 176 0 1 40.0 5.0 0.0 0.0 0.5\nr 480 176 544 176 0 50.0\nl 544 176 544 272 0 0.1 -0.05978684403333334\ng 544 272 544 288 0\nw 240 112 224 112 0\nw 224 112 224 176 0\nr 336 80 400 80 0 100.0\ng 400 80 400 96 0\nw 336 144 336 208 0\nw 240 288 240 208 0\nw 240 208 336 208 0\nw 336 256 384 256 0\nr 384 256 384 368 0 100.0\ng 384 368 384 384 0\nw 336 320 336 352 0\nw 336 352 224 352 0\nw 224 352 224 176 0\nw 240 288 176 288 0\nc 176 288 176 368 0 1.0E-5 5.9786844033333315\ng 176 368 176 384 0\no 2 64 0 35 5.0 0.1 0 -1\no 4 64 0 35 5.0 0.1 0 -1\n" }, { "path": "src/circuits/ccint.txt", "content": "$ 1 5.0E-6 10.20027730826997 50 5.0 50\n179 368 160 400 160 0 1.0\ng 304 160 304 176 0\nr 464 192 544 192 0 100.0\ng 544 192 544 224 0\n179 144 256 272 256 0 1.0\nr 144 256 96 256 0 100.0\ng 96 256 96 272 0\nw 368 288 368 224 0\ng 304 224 304 240 0\nR 144 320 112 320 0 2 40.0 5.0 0.0 1.5707963267948966 0.5\nw 240 288 368 288 0\nc 304 224 368 224 0 1.0E-5 -5.786500000000048\nr 304 160 368 160 0 1000.0\no 10 64 0 33 20.0 0.1 0 -1 input\no 2 64 0 33 2.3384026197294445 0.046768052394588894 0 -1 output\n" }, { "path": "src/circuits/ccitov.txt", "content": "$ 1 5.0E-6 10.20027730826997 59 5.0 50\nS 224 320 224 240 0 1 false 0\nS 224 160 224 240 0 1 false 0\nw 144 160 144 240 0\nw 144 240 144 320 0\nr 144 240 208 240 0 1000.0\ni 144 160 224 160 0 0.0010\ni 144 320 224 320 0 0.0020\nO 304 176 304 80 1\nw 240 240 304 240 1\nr 304 240 304 320 0 1000.0\ng 304 320 304 336 0\n179 304 176 368 176 0 1.0\ng 400 208 400 288 0\nR 144 240 96 240 0 0 40.0 5.0 0.0 0.0 0.5\no 8 64 0 33 2.5 0.003125 0 -1\no 7 64 0 34 5.0 9.765625E-5 1 -1\n" }, { "path": "src/circuits/ccvccs.txt", "content": "$ 1 5.0E-6 10.20027730826997 50 5.0 50\n179 208 192 336 192 0 1.0\nr 208 192 160 192 0 100.0\ng 160 192 160 208 0\nR 208 256 176 256 0 1 40.0 5.0 0.0 1.5707963267948966 0.5\n174 368 224 464 272 0 200.0 0.5297000000000001 Resistance\ng 416 272 416 288 0\nw 304 224 368 224 0\no 3 64 0 34 5.0 9.765625E-5 0 -1\no 6 64 0 33 40.0 0.1 0 -1\n" }, { "path": "src/circuits/ceamp.txt", "content": "$ 1 5.0E-6 16 60 15.0 53\nw 240 48 336 48 0\nr 240 48 240 208 0 110000.0\nr 240 208 240 352 0 10000.0\nt 240 208 336 208 0 1 -10.980847640834186 0.5689504449104646\nw 240 352 336 352 0\ng 240 352 240 384 0\nR 240 48 144 48 0 0 40.0 20.0 0.0\nr 336 48 336 192 0 10000.0\nr 336 224 336 352 0 1000.0\nc 240 208 160 208 0 4.9999999999999996E-6 1.5542375158881994\nR 160 208 112 208 0 1 80.0 0.5 0.0\nc 336 192 416 192 0 4.9999999999999996E-6 10.088518798851988\nO 416 192 464 192 0\nr 416 192 416 272 0 1000000.0\ng 416 272 416 304 0\no 10 64 0 2 0.625 9.765625E-5\no 12 64 0 2 10.0 9.765625E-5\n" }, { "path": "src/circuits/classd.txt", "content": "$ 1 5.0E-6 8.531194996067258 50 5.0 50\na 160 224 256 224 0 15.0 -15.0\nf 256 256 304 256 1 1.5\nf 256 192 304 192 0 1.5\nw 256 192 256 224 0\nw 256 224 256 256 0\nw 304 208 304 224 0\nw 304 224 304 240 0\nR 304 176 304 128 0 0 40.0 15.0 0.0 0.0 0.5\nl 304 224 400 224 0 0.08 0.062136746137611415\nc 400 224 400 304 0 1.0E-5 -6.657326718051054\ng 400 304 400 336 0\nw 304 272 304 288 0\nO 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9.765625E-5 0 clk\n" }, { "path": "src/circuits/cmosff.txt", "content": "$ 0 5.0E-6 10 50 5.0\nf 160 80 208 80 5\nf 160 176 208 176 4\nw 208 96 208 128 0\nw 208 128 208 160 0\nf 160 240 208 240 4\nw 208 192 208 224 0\ng 208 256 208 288 0\nw 160 80 160 176 0\nf 80 80 128 80 5\nw 128 32 128 64 0\nw 128 32 208 32 0\nw 208 32 208 64 0\nR 128 32 80 32 0 0 40.0 5.0 0.0\nw 80 80 80 240 0\nw 80 240 160 240 0\nL 160 176 32 176 0 false true\nw 128 96 128 128 0\nw 128 128 208 128 0\nw 288 240 288 176 0\nw 288 176 288 80 0\nf 288 80 336 80 5\nf 368 80 416 80 5\nw 336 96 336 128 0\nw 336 128 416 128 0\nw 416 96 416 128 0\nw 336 64 336 32 0\nw 416 64 416 32 0\nw 416 32 336 32 0\nw 208 32 336 32 0\nw 368 80 368 176 0\nf 368 176 416 176 4\nf 368 240 416 240 4\nw 416 192 416 224 0\nw 416 128 416 160 0\nw 368 240 288 240 0\ng 416 256 416 288 0\nL 288 240 288 288 0 false true\nw 416 128 464 128 0\nw 464 128 464 336 0\nw 464 336 80 336 0\nw 80 336 80 240 0\nw 368 176 240 176 0\nw 208 128 240 128 0\nw 240 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0\nw 160 32 128 32 0\nw 128 416 272 416 0\nw 160 272 96 272 0\nw 96 160 160 160 0\nw 160 384 96 384 0\nL 96 384 32 384 0 false false\nR 96 272 32 272 1 2 100.0 2.5 2.5\nM 432 144 496 144 0\nM 432 272 496 272 0\nw 96 160 96 272 0\nw 160 256 160 240 0\nw 272 144 272 176 0\nw 272 368 272 416 0\nw 128 416 128 32 0\nw 272 112 272 128 0\nw 272 128 272 144 0\nw 272 272 272 288 0\nw 272 288 272 304 0\no 30 64 0 6 5.0 9.765625E-5 0 D\no 32 64 0 6 5.0 9.765625E-5 0 Q\no 31 64 0 6 5.0 9.765625E-5 0 clk\n" }, { "path": "src/circuits/filt-hipass-l.txt", "content": "$ 1 5.0E-6 6.499443210467817 50 5.0 50\nO 400 160 512 160 0\ng 400 288 400 320 0\nr 240 160 400 160 0 187.0\nl 400 160 400 288 0 0.06545 0\n170 240 160 208 160 3 20.0 1000.0 5.0 0.1\no 4 16 0 34 5.0 9.765625E-5 0 -1\no 0 16 0 34 5.0 9.765625E-5 1 -1\nh 5 2 5\n" }, { "path": "src/circuits/filt-hipass.txt", "content": "$ 1 5.0E-6 6.499443210467817 50 5.0 50\nc 240 160 400 160 0 1.0E-5 0\nr 400 160 400 288 0 35.0\nO 400 160 512 160 0\ng 400 288 400 320 0\n170 240 160 208 160 3 20.0 1000.0 5.0 0.1\no 4 16 0 34 5.0 9.765625E-5 0 -1 in\no 2 16 0 34 2.5 9.765625E-5 1 -1 out\nh 3 1 0\n" }, { "path": "src/circuits/filt-lopass-l.txt", "content": "$ 1 5.0E-6 6.499443210467817 50 5.0 50\nr 400 160 400 288 0 35.0\nO 400 160 512 160 0\ng 400 288 400 320 0\nl 240 160 400 160 0 0.06545 0\n170 240 160 208 160 3 20.0 1000.0 5.0 0.1\no 4 32 0 34 5.0 9.765625E-5 0 -1\no 1 32 0 34 5.0 9.765625E-5 1 -1\nh 5 0 5\n" }, { "path": "src/circuits/filt-lopass.txt", "content": "$ 1 5.0E-6 6.499443210467817 50 5.0 50\nO 400 160 512 160 0\ng 400 288 400 320 0\nr 240 160 400 160 0 187.0\nc 400 160 400 288 0 1.0E-5 0\n170 240 160 208 160 3 20.0 1000.0 5.0 0.1\no 4 32 0 34 5.0 9.765625E-5 0 -1\no 0 32 0 34 5.0 9.765625E-5 1 -1\nh 3 2 3\n" }, { "path": "src/circuits/filt-vcvs-hipass.txt", "content": "$ 1 5.0E-6 10.812258501325767 65 5.0 50\nr 464 192 464 256 0 5860.0\nr 464 256 464 320 0 10000.0\ng 464 320 464 336 0\nw 224 128 224 176 0\ng 304 256 304 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560 192 0\np 160 176 160 256 0\ng 160 256 160 272 0\n170 160 176 128 176 3 20.0 800.0 5.0 0.2\no 16 64 0 34 10.0 9.765625E-5 0 -1\no 15 64 0 34 10.0 4.8828125E-5 1 -1\n" }, { "path": "src/circuits/flashadc.txt", "content": "$ 3 5.0E-6 6.75 58 7.0\na 104 64 176 64 2 5.0 0.0\na 104 112 176 112 2 5.0 0.0\na 104 160 176 160 2 5.0 0.0\na 104 208 176 208 2 5.0 0.0\na 104 256 176 256 2 5.0 0.0\na 104 304 176 304 2 5.0 0.0\na 104 352 176 352 2 5.0 0.0\nr 72 8 72 56 0 500.0\nr 72 56 72 104 0 1000.0\nr 72 104 72 152 0 1000.0\nr 72 152 72 200 0 1000.0\nr 72 200 72 248 0 1000.0\nr 72 248 72 296 0 1000.0\nr 72 296 72 344 0 1000.0\nr 72 344 72 392 0 500.0\nR 72 8 32 8 0 0 40.0 7.0 0.0\nw 72 56 104 56 0\nw 72 104 104 104 0\nw 72 152 104 152 0\nw 72 200 104 200 0\nw 72 248 104 248 0\nw 72 296 104 296 0\nw 72 344 104 344 0\nw 104 72 104 120 0\nw 104 120 104 168 0\nw 104 168 104 216 0\nw 104 216 104 264 0\nw 104 264 104 312 0\nw 104 312 104 360 0\nw 104 72 104 24 0\nR 104 24 184 24 0 4 50.0 3.5 3.5\ng 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256 192 0 800.0\nr 256 192 256 304 0 800.0\nt 256 192 352 192 0 1 -3.439010340565611 0.6536862364091407\nw 352 96 352 176 0\nr 352 208 352 304 0 40.0\nw 256 304 352 304 0\nc 208 192 256 192 0 3.0E-6 1.5823558905147017\nR 208 192 160 192 0 1 40.0 5.0 0.0\ng 256 304 256 336 0\nR 256 96 160 96 0 0 40.0 5.0 0.0\nO 352 208 416 208 0\no 2 64 0 2 5.0 0.0015625\no 11 64 0 2 5.0 9.765625E-5\n" }, { "path": "src/circuits/freqdouble.txt", "content": "$ 1 5.0E-6 6.75 61 5.0\n158 416 192 448 192 0\nc 512 192 512 224 0 1.0E-7 0\nr 512 256 576 256 0 3000.0\nr 512 288 576 288 0 100000.0\nw 576 256 576 288 0\ng 576 288 576 320 0\nR 128 144 64 144 0 2 300.0 2.5 2.5\ng 304 224 304 256 0\nw 416 160 416 192 0\na 336 96 416 96 1 15.0 -15.0\nw 304 80 336 80 0\nw 336 112 336 160 0\nw 336 160 416 160 0\nw 416 160 416 96 0\n161 128 144 176 144 0\nr 224 144 304 144 0 2000.0\nw 304 80 304 144 0\nc 304 144 304 176 0 9.999999999999999E-6 0\n155 128 240 144 240 0 5.0\nw 224 240 224 208 0\nw 224 208 128 208 0\nw 128 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176 0 2 0.0\n152 464 160 592 160 0 2 0.0\n" }, { "path": "src/circuits/fullrect.txt", "content": "$ 1 5.0E-6 10 53 5.0 50\nv 160 352 160 64 0 1 40.0 5.0 0.0\nw 160 64 304 64 0\nw 304 64 304 128 0\nd 304 128 368 192 0\nd 304 256 368 192 0\nd 240 192 304 128 0\nd 240 192 304 256 0\nw 304 256 304 352 0\nw 304 352 160 352 0\nw 240 192 240 288 0\nw 368 192 416 192 0\nw 240 288 416 288 0\nr 416 192 416 288 0 100.0\nx 463 248 479 248 0 20 load\no 0 64 0 3 5.0 0.05 0\no 12 64 0 3 5.0 0.05 1\n" }, { "path": "src/circuits/fullrectf.txt", "content": "$ 1 5.0E-6 10 50 5.0 48\nv 96 336 96 48 0 1 40.0 5.0 0.0\nw 96 48 224 48 0\nw 224 48 224 112 0\nd 224 112 288 176 0\nd 224 240 288 176 0\nd 160 176 224 112 0\nd 160 176 224 240 0\nw 224 240 224 336 0\nw 224 336 96 336 0\nw 160 176 160 272 0\nw 288 176 336 176 0\nw 160 272 336 272 0\nc 336 176 336 272 0 1.02E-4 3.2105610440835166\nw 336 176 416 176 0\nw 336 272 416 272 0\nr 416 176 416 272 0 430.0\nx 451 232 457 232 0 16 load\no 0 32 0 2 5.0 9.765625E-5\no 15 32 0 3 5.0 0.0125\n" }, { "path": "src/circuits/graycode.txt", "content": "$ 3 5.0E-6 23 50 5.0 50\nR 144 152 104 152 1 2 200.0 2.5 2.5\n154 304 152 432 152 0 2 0.0\n154 304 224 432 224 0 2 5.0\n154 304 296 432 296 0 2 0.0\nw 240 312 304 312 0\nw 304 240 304 280 0\nw 240 96 304 96 0\nw 304 96 304 136 0\nw 304 96 432 96 0\nM 432 96 472 96 0 2.5\nM 432 152 472 152 0 2.5\nM 432 224 472 224 0 2.5\nM 432 296 472 296 0 2.5\n164 144 152 224 152 0 4 0.0 5.0 0.0 0.0\nw 240 96 240 152 0\nw 240 184 304 184 0\nw 304 184 304 168 0\nw 304 184 304 208 0\nw 240 248 240 312 0\nw 240 216 264 216 0\nw 264 216 264 240 0\nw 264 240 304 240 0\nR 144 248 104 248 0 0 40.0 5.0 0.0\no 9 64 0 6 5.0 9.765625E-5 0\no 10 64 0 6 5.0 9.765625E-5 0\no 11 64 0 6 5.0 9.765625E-5 0\no 12 64 0 6 5.0 9.765625E-5 0\n" }, { "path": "src/circuits/grid.txt", "content": "$ 17 5.0E-6 2 46 5.0 42\nR 272 64 272 16 0\ng 272 352 272 384 0\nr 176 64 176 112 0 5\nr 176 112 176 160 0 5\nr 176 160 176 208 0 5\nr 176 208 176 256 0 5\nr 176 256 176 304 0 5\nr 176 304 176 352 0 5\nr 224 64 224 112 0 5\nr 224 112 224 160 0 5\nr 224 160 224 208 0 5\nr 224 208 224 256 0 5\nr 224 256 224 304 0 5\nr 224 304 224 352 0 5\nr 272 64 272 112 0 5\nr 272 112 272 160 0 5\nr 272 160 272 208 0 5\nr 272 208 272 256 0 5\nr 272 256 272 304 0 5\nr 272 304 272 352 0 5\nr 320 64 320 112 0 5\nr 320 112 320 160 0 5\nr 320 160 320 208 0 5\nr 320 208 320 256 0 5\nr 320 256 320 304 0 5\nr 320 304 320 352 0 5\nr 368 64 368 112 0 5\nr 368 112 368 160 0 5\nr 368 160 368 208 0 5\nr 368 208 368 256 0 5\nr 368 256 368 304 0 5\nr 368 304 368 352 0 5\nr 176 64 224 64 0 5\nr 176 112 224 112 0 5\nr 176 160 224 160 0 5\nr 176 208 224 208 0 5\nr 176 256 224 256 0 5\nr 176 304 224 304 0 5\nr 176 352 224 352 0 5\nr 224 64 272 64 0 5\nr 224 112 272 112 0 5\nr 224 160 272 160 0 5\nr 224 208 272 208 0 5\nr 224 256 272 256 0 5\nr 224 304 272 304 0 5\nr 224 352 272 352 0 5\nr 272 64 320 64 0 5\nr 272 112 320 112 0 5\nr 272 160 320 160 0 5\nr 272 208 320 208 0 5\nr 272 256 320 256 0 5\nr 272 304 320 304 0 5\nr 272 352 320 352 0 5\nr 320 64 368 64 0 5\nr 320 112 368 112 0 5\nr 320 160 368 160 0 5\nr 320 208 368 208 0 5\nr 320 256 368 256 0 5\nr 320 304 368 304 0 5\nr 320 352 368 352 0 5\n" }, { "path": "src/circuits/grid2.txt", "content": "$ 17 5.0E-6 2 46 5.0\nv 272 256 272 208 0 0\nr 32 64 32 112 0 10\nr 32 112 32 160 0 10\nr 32 160 32 208 0 10\nr 32 208 32 256 0 10\nr 32 256 32 304 0 10\nr 32 304 32 352 0 10\nr 32 352 32 400 0 10\nr 80 64 80 112 0 10\nr 80 112 80 160 0 10\nr 80 160 80 208 0 10\nr 80 208 80 256 0 10\nr 80 256 80 304 0 10\nr 80 304 80 352 0 10\nr 80 352 80 400 0 10\nr 128 64 128 112 0 10\nr 128 112 128 160 0 10\nr 128 160 128 208 0 10\nr 128 208 128 256 0 10\nr 128 256 128 304 0 10\nr 128 304 128 352 0 10\nr 128 352 128 400 0 10\nr 176 64 176 112 0 10\nr 176 112 176 160 0 10\nr 176 160 176 208 0 10\nr 176 208 176 256 0 10\nr 176 256 176 304 0 10\nr 176 304 176 352 0 10\nr 176 352 176 400 0 10\nr 224 64 224 112 0 10\nr 224 112 224 160 0 10\nr 224 160 224 208 0 10\nr 224 208 224 256 0 10\nr 224 256 224 304 0 10\nr 224 304 224 352 0 10\nr 224 352 224 400 0 10\nr 272 64 272 112 0 10\nr 272 112 272 160 0 10\nr 272 160 272 208 0 10\nr 272 256 272 304 0 10\nr 272 304 272 352 0 10\nr 272 352 272 400 0 10\nr 320 64 320 112 0 10\nr 320 112 320 160 0 10\nr 320 160 320 208 0 10\nr 320 208 320 256 0 10\nr 320 256 320 304 0 10\nr 320 304 320 352 0 10\nr 320 352 320 400 0 10\nr 368 64 368 112 0 10\nr 368 112 368 160 0 10\nr 368 160 368 208 0 10\nr 368 208 368 256 0 10\nr 368 256 368 304 0 10\nr 368 304 368 352 0 10\nr 368 352 368 400 0 10\nr 416 64 416 112 0 10\nr 416 112 416 160 0 10\nr 416 160 416 208 0 10\nr 416 208 416 256 0 10\nr 416 256 416 304 0 10\nr 416 304 416 352 0 10\nr 416 352 416 400 0 10\nr 464 64 464 112 0 10\nr 464 112 464 160 0 10\nr 464 160 464 208 0 10\nr 464 208 464 256 0 10\nr 464 256 464 304 0 10\nr 464 304 464 352 0 10\nr 464 352 464 400 0 10\nr 512 64 512 112 0 10\nr 512 112 512 160 0 10\nr 512 160 512 208 0 10\nr 512 208 512 256 0 10\nr 512 256 512 304 0 10\nr 512 304 512 352 0 10\nr 512 352 512 400 0 10\n\n\n\nr 32 64 80 64 0 10\nr 32 112 80 112 0 10\nr 32 160 80 160 0 10\nr 32 208 80 208 0 10\nr 32 256 80 256 0 10\nr 32 304 80 304 0 10\nr 32 352 80 352 0 10\nr 32 400 80 400 0 10\nr 80 64 128 64 0 10\nr 80 112 128 112 0 10\nr 80 160 128 160 0 10\nr 80 208 128 208 0 10\nr 80 256 128 256 0 10\nr 80 304 128 304 0 10\nr 80 352 128 352 0 10\nr 80 400 128 400 0 10\nr 128 64 176 64 0 10\nr 128 112 176 112 0 10\nr 128 160 176 160 0 10\nr 128 208 176 208 0 10\nr 128 256 176 256 0 10\nr 128 304 176 304 0 10\nr 128 352 176 352 0 10\nr 128 400 176 400 0 10\nr 176 64 224 64 0 10\nr 176 112 224 112 0 10\nr 176 160 224 160 0 10\nr 176 208 224 208 0 10\nr 176 256 224 256 0 10\nr 176 304 224 304 0 10\nr 176 352 224 352 0 10\nr 176 400 224 400 0 10\nr 224 64 272 64 0 10\nr 224 112 272 112 0 10\nr 224 160 272 160 0 10\nr 224 208 272 208 0 10\nr 224 256 272 256 0 10\nr 224 304 272 304 0 10\nr 224 352 272 352 0 10\nr 224 400 272 400 0 10\nr 272 64 320 64 0 10\nr 272 112 320 112 0 10\nr 272 160 320 160 0 10\nr 272 208 320 208 0 10\nr 272 256 320 256 0 10\nr 272 304 320 304 0 10\nr 272 352 320 352 0 10\nr 272 400 320 400 0 10\nr 320 64 368 64 0 10\nr 320 112 368 112 0 10\nr 320 160 368 160 0 10\nr 320 208 368 208 0 10\nr 320 256 368 256 0 10\nr 320 304 368 304 0 10\nr 320 352 368 352 0 10\nr 320 400 368 400 0 10\nr 368 64 416 64 0 10\nr 368 112 416 112 0 10\nr 368 160 416 160 0 10\nr 368 208 416 208 0 10\nr 368 256 416 256 0 10\nr 368 304 416 304 0 10\nr 368 352 416 352 0 10\nr 368 400 416 400 0 10\nr 416 64 464 64 0 10\nr 416 112 464 112 0 10\nr 416 160 464 160 0 10\nr 416 208 464 208 0 10\nr 416 256 464 256 0 10\nr 416 304 464 304 0 10\nr 416 352 464 352 0 10\nr 416 400 464 400 0 10\nr 464 64 512 64 0 10\nr 464 112 512 112 0 10\nr 464 160 512 160 0 10\nr 464 208 512 208 0 10\nr 464 256 512 256 0 10\nr 464 304 512 304 0 10\nr 464 352 512 352 0 10\nr 464 400 512 400 0 10\n\n\n" }, { "path": "src/circuits/gyrator.txt", "content": "$ 1 5.0E-6 10.634267539816555 57 5.0 50\na 368 128 480 128 0 15.0 -15.0 1000000.0\nw 480 128 480 80 0\nw 480 80 368 80 0\nw 368 80 368 112 0\nr 368 144 368 240 0 20000.0\nr 368 112 272 112 0 1000.0\nc 272 144 368 144 0 2.5E-7 -1.9401381307764982\nw 272 144 272 128 0\nw 272 112 272 128 0\nR 272 128 208 128 0 2 20.0 5.0 0.0 0.0 0.5\ng 368 240 368 272 0\nR 272 320 208 320 0 2 20.0 5.0 0.0 0.0 0.5\nl 368 320 368 384 0 5.0 -0.0019401381307769976\ng 368 384 368 400 0\nr 368 320 272 320 0 1000.0\no 9 64 0 35 9.353610478917778 0.005846006549323612 0 -1\no 11 64 0 35 9.353610478917778 0.005846006549323612 1 -1\n" }, { "path": "src/circuits/halfadd.txt", "content": "$ 1 5.0E-6 1.5 50 5.0\n154 224 240 368 240 0 2 0.0\n150 224 144 368 144 0 2 0.0\nL 128 160 80 160 2 true false\nL 128 224 80 224 2 true false\nw 128 224 160 224 0\nw 160 224 160 128 0\nw 160 128 224 128 0\nw 160 224 224 224 0\nw 128 160 192 160 0\nw 192 160 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}, { "path": "src/circuits/tesla.txt", "content": "$ 1 1.0E-8 12.235633750745258 30 120.0 50\ng 240 304 240 336 0\nr 240 256 176 256 0 10.0\nR 176 256 144 256 0 1 60.0 120.0 0.0 0.0 0.5\nT 240 256 320 304 2 10.0 100.0 4.437258653736118 -0.04413717098860063 0.999\nc 384 224 464 224 0 2.0E-8 9788.947578396032\nw 320 304 320 336 0\nw 384 336 464 336 0\nw 320 224 320 256 0\ng 320 336 320 368 0\nw 320 224 384 224 2\nw 320 336 384 336 0\nw 464 224 464 256 0\nw 464 304 464 336 0\nc 528 256 528 144 0 2.5E-11 -0.002896435768521405\nr 528 304 528 352 0 0.1\ng 528 352 528 368 0\nT 464 256 528 304 2 3.16628E-5 28.28427 0.04412738203720486 1.4084140624744444E-8 0.1\n187 384 224 384 336 0 1.0 1.0E9 10000.0 0.0010\nw 528 144 592 144 0\ng 592 144 592 368 0\no 17 64 0 35 10240.0 9.765625E-5 0 -1\no 13 32 0 34 0.0048828125 9.765625E-5 0 -1\n" }, { "path": "src/circuits/thevenin.txt", "content": "$ 17 5.0E-6 10.8 50 5.0\nr 112 176 208 128 0 100.0\nr 208 128 224 224 0 100.0\nr 224 224 320 176 0 200.0\nr 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128 240 0\nw 128 320 176 320 0\nw 496 240 544 240 0\nw 496 320 544 320 0\nr 544 240 544 320 0 75.0\nv 128 320 128 240 0 1 40000000.0 5.0 0.0 0.0 0.5\n" }, { "path": "src/circuits/tlfreq.txt", "content": "$ 1 5.0E-12 13.200821376227164 50 5.0 50\nw 496 112 544 112 0\nw 496 176 544 176 0\n170 128 112 96 112 2 1.0E8 5.0E8 5.0 4.0E-7\ng 176 176 176 192 0\nr 128 112 176 112 0 75.0\ng 544 176 544 192 0\np 544 112 544 176 0\n170 128 272 96 272 2 1.0E8 5.0E8 5.0 4.0E-7\nr 128 272 176 272 0 75.0\nw 496 272 544 272 0\nw 496 336 544 336 0\nw 544 272 544 336 0\n171 176 272 496 272 0 5.0E-9 75.0 64 0.0\n171 176 112 496 112 0 5.0E-9 75.0 64 0.0\ng 176 336 176 352 0\ng 544 336 544 352 0\no 4 64 0 34 5.1 0.05 0 -1\no 8 64 0 34 5.1 0.05 1 -1\n" }, { "path": "src/circuits/tllight.txt", "content": "$ 1 1.0E-11 25.237822143832553 37 120.0 50\n171 128 176 384 176 0 6.000000000000001E-8 300.0 64 0.0\nr 128 176 80 176 0 10.0\nw 80 240 128 240 0\nw 512 176 544 176 0\nw 512 240 544 240 0\nr 544 176 544 240 0 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192 256 192 0 1.0E-8 75.0 64 0.0\n171 256 192 384 192 0 1.0E-8 500.0 64 0.0\n171 384 192 512 192 0 1.0E-8 75.0 64 0.0\nr 112 192 64 192 0 75.0\nw 64 256 112 256 0\nw 512 192 544 192 0\nw 512 256 544 256 0\nr 544 192 544 256 0 75.0\nv 64 256 64 192 0 2 1.0E7 2.5 2.5 0.0 0.03\ng 256 256 256 272 0\ng 384 256 384 272 0\ng 512 256 512 272 0\n" }, { "path": "src/circuits/tlstand.txt", "content": "$ 1 1.0E-12 2.7070718156067044 50 5.0 50\n171 176 192 496 192 0 0.0000000020 300.0 80 0.0\nw 128 272 176 272 0\nw 496 192 544 192 0\nw 496 272 544 272 0\nr 128 192 176 192 0 300.0\ng 544 272 544 288 0\ng 128 272 128 288 0\nR 128 192 96 192 0 1 1500000000.0 5.0 0.0 0.0 0.5\nw 544 192 544 272 0\no 4 16 0 34 5.0 0.025 0 -1\n" }, { "path": "src/circuits/tlterm.txt", "content": "$ 1 5.0E-12 14.304574186067095 50 5.0 50\n171 112 32 528 32 0 1.0E-8 75.0 64 0.0\nr 112 32 64 32 0 75.0\nw 64 96 112 96 0\nw 528 32 560 32 0\nw 528 96 560 96 0\nr 560 32 560 96 0 75.0\nv 64 96 64 32 0 2 1.0E7 2.5 2.5 0.0 0.03\ng 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5.0\nR 152 176 152 136 0 0 40.0 5.0 0.0\nw 152 176 64 176 0\nr 64 240 64 304 0 47000.0\nr 64 176 64 240 0 10000.0\nw 216 272 216 352 0\nw 216 352 296 352 0\n165 88 208 152 208 0 0.0\nw 64 304 64 336 0\nc 64 336 64 368 0 9.999999999999999E-6 2.4856719240739658\ng 64 368 64 384 0\nw 64 240 88 240 0\nw 64 304 88 304 0\nw 64 336 88 336 0\n" }, { "path": "src/circuits/trans-diffamp-common.txt", "content": "$ 1 5.0E-6 5.6 68 15.0 60\nt 176 224 208 224 0 1 -15.316178939790538 0.5164877485159067\nt 400 224 336 224 0 1 -8.349791529425255 0.516487748515907\nw 208 240 208 272 0\nw 336 240 336 272 0\nr 208 272 272 272 0 1000.0\nr 272 272 336 272 0 1000.0\nr 272 272 272 352 0 75000.0\nr 336 144 336 64 0 75000.0\nw 208 64 336 64 0\nR 208 64 176 64 0 0 40.0 15.0 0.0\nR 272 352 208 352 0 0 40.0 -15.0 0.0\nR 176 224 128 224 0 1 40.0 1.0 0.0\nR 400 224 432 224 0 1 40.0 1.0 0.0\np 400 224 400 288 0\ng 400 288 400 320 0\nw 336 144 336 208 0\nw 208 64 208 208 0\nO 336 144 416 144 0\nx 154 206 170 206 0 14 in 1\nx 377 207 393 207 0 14 in 2\no 11 32 0 2 0.15625 9.765625E-5 0\no 13 32 0 2 0.3125 9.765625E-5 0\no 17 32 0 2 20.0 9.765625E-5 1 output\n" }, { "path": "src/circuits/trans-diffamp-cursrc.txt", "content": "$ 1 5.0E-6 5.6 60 15.0 52\nt 208 192 240 192 0 1 -12.552345476990716 0.5746836796974437\nt 432 192 368 192 0 1 -5.407801804527631 0.5746836796974437\nw 240 208 240 240 0\nw 368 208 368 240 0\nr 368 128 368 48 0 7500.0\nw 240 48 368 48 0\nR 240 48 208 48 0 0 40.0 15.0 0.0\nR 208 192 160 192 0 1 40.0 4.0 0.0\nR 496 192 528 192 0 1 40.0 4.0 0.0\np 432 192 432 256 0\ng 432 256 432 288 0\nw 368 128 368 176 0\nw 240 48 240 176 0\nO 368 128 448 128 0\nx 186 174 202 174 0 14 in 1\nx 409 175 425 175 0 14 in 2\nw 240 240 304 240 0\nw 304 240 368 240 0\nt 256 288 304 288 0 1 -14.336812066191886 0.5922636176064682\nw 304 240 304 272 1\nw 304 368 256 368 0\nr 256 288 256 368 0 2700.0\nr 304 304 304 368 0 1000.0\nr 256 288 176 288 0 13000.0\ng 176 288 176 304 0\nR 256 368 176 368 0 0 40.0 -15.0 0.0\nv 432 192 496 192 0 5 300.0 0.4 0.0\no 7 32 0 2 0.15625 9.765625E-5 0\no 9 32 0 2 0.3125 9.765625E-5 0\no 13 32 0 2 20.0 9.765625E-5 1\n" }, { "path": "src/circuits/trans-diffamp.txt", "content": "$ 1 5.0E-6 5.6 68 15.0 60\nt 144 208 176 208 0 1 -15.095449051751599 0.5174493144866628\nt 368 208 304 208 0 1 -8.193950382547882 0.5162742583726527\nw 176 224 176 256 0\nw 304 224 304 256 0\nr 176 256 240 256 0 1000.0\nr 240 256 304 256 0 1000.0\nr 240 256 240 336 0 75000.0\nr 304 128 304 48 0 75000.0\nw 176 48 304 48 0\nR 176 48 144 48 0 0 40.0 15.0 0.0\nR 240 336 176 336 0 0 40.0 -15.0 0.0\nR 144 208 96 208 0 1 40.0 0.1 0.0\nv 368 208 432 208 0 1 40.0 -0.1 0.0\nR 432 208 464 208 0 1 200.0 0.1 0.0\np 368 208 368 272 0\ng 368 272 368 304 0\nw 304 128 304 192 0\nw 176 48 176 192 0\nO 304 128 384 128 0\nx 122 190 138 190 0 14 in 1\nx 345 191 361 191 0 14 in 2\no 11 32 0 2 0.15625 9.765625E-5 0\no 14 32 0 2 0.3125 9.765625E-5 0\no 18 32 0 2 12.0 9.765625E-5 1 output\n" }, { "path": "src/circuits/transformer.txt", "content": "$ 1 5.0E-6 9 54 5.0\nv 176 272 176 144 0 1 60.0 10.0 0.0\nw 352 224 352 272 0\nT 272 192 352 192 0 100.0 1.0 -0.003935272598777283 0.004618353276268098\nw 272 192 272 144 0\nw 272 224 272 272 0\nr 272 144 176 144 0 0.1\nw 176 272 272 272 0\nw 352 272 448 272 0\nw 352 144 448 144 0\nr 448 144 448 272 0 1000.0\nw 352 192 352 144 0\no 0 64 0 3 10.0 0.0125 2\no 9 64 0 3 10.0 0.0125 1\n" }, { "path": "src/circuits/transformerdc.txt", "content": "$ 1 5.0E-6 10 50 5.0 42\nv 176 272 176 144 0 0 60.0 10.0 0.0\nw 352 224 352 272 0\nT 272 192 352 192 0 10.0 1.0 0 0\nw 272 192 272 144 0\nw 272 224 272 272 0\nr 272 144 176 144 0 100.0\nw 176 272 272 272 0\nw 352 272 448 272 0\nw 352 144 448 144 0\nr 448 144 448 272 0 300.0\nw 352 192 352 144 0\no 0 64 0 3 10.0 0.1 0\no 9 64 0 3 10.0 0.025 1\n\n" }, { "path": "src/circuits/transformerdown.txt", "content": "$ 1 5.0E-6 9 47 5.0 30\nv 176 272 176 144 2 1 60.0 120.0 0.0\nw 352 224 352 272 0\nT 272 192 352 192 0 1000.0 0.1 0 0\nw 272 192 272 144 1\nw 272 224 272 272 0\nr 272 144 176 144 0 20.0\nw 176 272 272 272 0\nw 352 272 448 272 0\nw 352 144 448 144 0\nr 448 144 448 272 0 300.0\nw 352 192 352 144 1\no 0 64 0 3 160.0 0.4 0\no 9 64 0 3 20.0 0.05 1\n" }, { "path": "src/circuits/transformerup.txt", "content": "$ 1 5.0E-6 9 43 5.0 42\nv 176 272 176 144 0 1 60.0 10.0 0.0\nw 352 224 352 272 0\nT 272 192 352 192 0 1.0 10.0 0.14177509724862508 -0.008963174444486828\nw 272 192 272 144 1\nw 272 224 272 272 0\nr 272 144 176 144 0 0.1\nw 176 272 272 272 0\nw 352 272 448 272 0\nw 352 144 448 144 0\nr 448 144 448 272 0 2000.0\nw 352 192 352 144 1\no 0 64 0 3 10.0 0.8 0\no 9 64 0 3 160.0 0.05 1\n" }, { "path": "src/circuits/transswitch.txt", "content": "$ 1 5.0E-6 10 50 5.0\nv 144 352 144 80 0 0 40.0 5.0 0.0\nw 144 80 256 80 0\nt 256 256 368 256 0 1 0.5597337598267538 0.646589672025579\nr 256 80 256 176 0 10000.0\ns 256 176 256 256 0 true false\nw 256 80 368 80 0\nr 368 80 368 240 0 300.0\nw 368 272 368 352 0\nw 368 352 144 352 0\n" }, { "path": "src/circuits/triangle.txt", "content": "$ 1 4.9999999999999996E-6 10.20027730826997 60 6.0 50\na 160 224 272 224 0 15.0 -15.0 1000000.0\nw 160 240 160 304 0\nw 160 304 272 304 0\nr 272 224 272 304 0 10000.0\na 384 240 496 240 0 15.0 -15.0 1000000.0\nr 272 304 352 304 0 4000.0\nw 352 304 496 304 0\nw 496 304 496 240 0\nw 496 240 496 176 0\nc 384 176 496 176 0 1.0E-6 4.7736574744107685\nw 384 176 384 224 0\nr 272 224 384 224 0 10000.0\ng 384 256 384 272 0\nO 496 240 560 240 0\nw 160 208 128 208 0\ng 128 208 128 240 0\no 13 64 0 42 10.0 9.765625E-5 0 -1\n" }, { "path": "src/circuits/triode.txt", "content": "$ 1 5.0E-6 10.20027730826997 50 5.0 50\n172 304 240 272 240 0 6 0.0 0.0 -8.0 0.0 0.5 Grid Voltage\nw 352 272 352 320 0\nw 368 208 368 160 1\n172 368 160 368 128 0 6 500.0 500.0 0.0 0.0 0.5 Plate Voltage\ng 352 320 352 336 0\n173 304 240 368 240 0 93.0 680.0\no 3 64 0 35 640.0 0.1 0 -1\n" }, { "path": "src/circuits/triodeamp.txt", "content": "$ 1 5.0E-6 11.086722712598126 60 3.0 53\nw 272 64 368 64 0\nr 272 224 272 368 0 10000.0\nw 272 368 352 368 0\ng 272 368 272 400 0\nR 272 64 176 64 0 0 40.0 160.0 0.0 0.0 0.5\nr 368 64 368 192 0 10000.0\nr 352 256 352 368 0 3000.0\nc 272 224 192 224 0 4.9999999999999996E-6 -0.011918466765635682\nR 192 224 144 224 0 1 80.0 0.5 0.0 0.0 0.5\nc 368 192 448 192 0 4.9999999999999996E-6 156.41283175374522\nO 448 192 496 192 0\nr 448 192 448 288 0 100000.0\ng 448 288 448 320 0\n173 272 224 368 224 0 93.0 1360.0\nw 352 256 400 256 0\nc 400 256 400 368 0 4.9999999999999996E-6 1.2120701747074232\nw 352 368 400 368 0\no 8 64 0 34 0.625 9.765625E-5 0 -1\no 10 64 0 34 5.0 2.44140625E-5 1 -1\n" }, { "path": "src/circuits/ttlinverter.txt", "content": "$ 1 5.0E-6 10 54 5.0\nt 224 192 224 272 0 1 0.5875584150944089 -3.7844516501481884\nt 240 272 320 272 0 1 0.6035944264912844 0.6279899347574025\ng 320 288 320 336 0\nL 208 272 144 272 0 false false\nr 224 192 224 112 0 4700.0\nr 320 112 320 192 0 1000.0\nw 320 192 320 256 0\nM 320 192 416 192 0\nR 224 112 144 112 0 0 40.0 5.0 0.0\nw 224 112 320 112 0\n" }, { "path": "src/circuits/ttlnand.txt", "content": "$ 1 5.0E-6 10 54 5.0\nR 192 112 112 112 0 0 40.0 5.0 0.0\nr 352 112 352 192 0 1000.0\nw 352 192 352 224 0\nt 192 192 192 240 0 1 0.5735476679612052 -4.40887239412782\nt 240 192 240 288 0 1 0.5735476679612052 0.5911276058721799\nt 288 240 352 240 0 1 -4.982420061888025 0.01757993791097478\nw 208 240 288 240 0\nw 256 288 288 288 0\nw 288 288 288 240 0\nw 192 192 240 192 0\nL 176 240 128 240 0 false false\nL 224 288 128 288 0 true false\ng 352 256 352 336 0\nw 192 112 352 112 0\nr 192 112 192 192 0 4700.0\nM 352 192 416 192 0\n" }, { "path": "src/circuits/ttlnor.txt", "content": "$ 1 5.0E-6 10 54 5.0\nt 144 192 144 272 0 1 0.5874809043486446 -3.7727363939084873\nt 160 272 208 272 0 1 0.602697396937354 0.6397827017428683\nL 128 272 64 272 0 false false\nr 144 192 144 112 0 4700.0\nR 144 112 64 112 0 0 40.0 5.0 0.0\nw 144 112 208 112 0\nt 304 192 304 272 0 1 0.5908763474738555 0.5911276058707033\nt 320 272 368 272 0 1 -0.03683404640866654 2.512583968477912E-4\nr 304 112 304 192 0 4700.0\nw 208 112 304 112 0\nw 304 112 368 112 0\nr 368 112 368 192 0 1000.0\nw 368 192 432 192 0\nM 432 192 480 192 0\nL 288 272 240 272 0 true false\nr 208 112 208 192 0 1000.0\nw 208 192 208 224 0\nw 368 192 368 256 0\nw 208 224 432 224 0\nw 432 224 432 192 0\nw 208 224 208 256 0\ng 208 288 208 320 0\ng 368 288 368 320 0\n" }, { "path": "src/circuits/twint.txt", "content": "$ 1 5.0E-6 10.391409633455755 50 5.0 50\nr 192 112 304 112 0 100.0\nr 304 112 416 112 0 100.0\nc 192 272 304 272 0 2.6524999999999998E-5 0\nc 304 272 416 272 0 2.6524999999999998E-5 0\nc 304 112 304 176 0 5.3049999999999995E-5 0\ng 304 176 304 208 0\nr 304 272 304 336 0 50.0\ng 304 336 304 368 0\nw 416 112 416 192 0\nw 416 192 416 272 0\nw 192 112 192 192 0\nw 192 192 192 272 0\nO 416 192 480 192 0\n170 192 192 144 192 3 40.0 80.0 5.0 0.5\no 13 32 0 34 5.0 0.025 0 -1\no 12 32 0 34 5.0 9.765625E-5 1 -1\n" }, { "path": "src/circuits/vco.txt", "content": "$ 1 5.0E-6 8.872897488127265 75 5.0 50\na 176 160 272 160 0 5.0 0.0\na 368 176 464 176 0 5.0 0.0\nw 272 160 304 160 0\nw 304 160 368 160 0\nw 368 192 368 224 0\nw 464 176 464 224 0\nr 368 224 464 224 0 100000.0\nr 368 224 368 288 0 100000.0\ng 368 288 368 304 0\nr 176 176 176 240 0 49900.0\ng 176 240 176 256 0\nw 176 144 176 96 0\nw 176 144 144 144 0\nr 144 144 64 144 0 100000.0\nw 64 144 64 160 0\nw 64 160 64 176 0\nr 64 176 160 176 0 49900.0\nw 160 176 176 176 0\nw 144 144 144 272 0\nr 144 272 144 320 0 49900.0\ng 144 352 144 368 0\nf 192 336 144 336 0\nw 192 336 464 336 0\nw 464 336 464 224 0\nc 176 96 272 96 0 1.0E-8 -2.248578405619046\nw 272 96 272 160 0\nw 368 192 368 128 0\nr 368 128 368 80 0 100000.0\nR 368 80 416 80 0 0 40.0 5.0 0.0\nR 64 160 32 160 0 4 10.0 2.0 3.0\nO 464 176 512 176 0\nO 304 160 304 48 0\no 29 64 0 2 5.0 9.765625E-5 0 control\no 30 32 0 2 10.0 4.8828125E-5 1\no 31 32 0 2 5.0 9.765625E-5 2\n" }, { "path": "src/circuits/voltdivide.txt", "content": "$ 1 5.0E-6 10 63 10.0 62\nv 112 368 112 48 0 0 40.0 10.0 0.0\nw 112 48 240 48 0\nr 240 48 240 208 0 10000\nr 240 208 240 368 0 10000\nw 112 368 240 368 0\nO 240 208 304 208 1\nw 240 48 432 48 0\nw 240 368 432 368 0\nr 432 48 432 128 0 10000\nr 432 128 432 208 0 10000\nr 432 208 432 288 0 10000\nr 432 288 432 368 0 10000\nO 432 128 496 128 1\nO 432 208 496 208 1\nO 432 288 496 288 1\n" }, { "path": "src/circuits/voltdouble.txt", "content": "$ 1 5.0E-6 10 53 15.0 45\nv 160 208 160 112 0 1 40.0 15.0 0.0\nw 160 112 224 112 0\nd 224 112 336 112 0\nc 336 112 336 208 0 9.999999999999999E-5 0\nc 336 208 336 304 0 9.999999999999999E-5 0\nw 160 208 336 208 0\nw 224 112 224 304 0\nd 336 304 224 304 0\nw 336 112 432 112 0\nw 336 304 432 304 0\nr 432 112 432 304 0 10000.0\no 0 64 0 3 5.0 0.2\no 10 64 0 2 10.0 7.8125E-4\n" }, { "path": "src/circuits/voltdouble2.txt", "content": "$ 1 5.0E-6 10 50 15.0 45\nR 224 176 192 176 0 1 40.0 15.0 0.0\nc 224 176 304 176 0 9.999999999999999E-5 0\nd 304 288 304 176 0\nd 304 176 400 176 0\nc 400 176 400 288 0 9.999999999999999E-5 0\ng 304 288 304 304 0\ng 400 288 400 304 0\nw 400 176 464 176 0\nr 464 176 464 288 0 20000.0\ng 464 288 464 304 0\no 0 64 0 3 20.0 0.4\no 8 64 0 3 40.0 0.025\n" }, { "path": "src/circuits/voltinvert.txt", "content": "$ 1 5.0E-6 3.5 62 5.0\n159 176 112 272 112 0\n159 272 112 368 112 0\nc 272 112 272 208 0 1.0E-5 0\n159 176 208 272 208 0\n159 272 208 368 208 0\ng 368 112 368 144 0\nc 368 208 368 304 0 1.0E-5 0\ng 368 304 368 320 0\ng 176 208 176 240 0\nR 176 112 128 112 0 0 40.0 5.0 0.0\nw 224 128 224 224 0\nw 320 128 320 224 0\nw 224 224 224 288 0\nw 320 224 320 288 0\nI 224 288 320 288 0\nR 224 288 128 288 1 2 400.0 2.5 2.5\nw 368 208 432 208 0\nr 432 208 432 304 0 30000.0\ng 432 304 432 320 0\nO 432 208 496 208 1\n" }, { "path": "src/circuits/voltquad.txt", "content": "$ 1 5.0E-6 10 53 15.0 45\nd 208 256 288 256 0\nc 208 160 288 160 0 9.999999999999999E-5 0\nd 288 160 368 160 0\nc 368 160 368 336 0 9.999999999999999E-5 0\nw 368 160 432 160 0\nr 432 160 432 336 0 50000.0\ng 208 336 208 352 0\ng 368 336 368 352 0\ng 432 336 432 352 0\nR 208 160 160 160 0 1 120.0 15.0 0.0\nd 208 336 208 256 0\nd 288 256 288 160 0\nc 288 256 288 336 0 9.999999999999999E-5 0\ng 288 336 288 352 0\nc 208 160 208 256 0 9.999999999999999E-5 0\no 9 64 0 3 80.0 0.00625\no 5 64 0 3 80.0 0.00625\n" }, { "path": "src/circuits/volttriple.txt", "content": "$ 1 5.0E-6 10 53 15.0 45\nd 208 160 208 256 0\nd 208 256 288 256 0\nw 288 256 288 160 0\nc 208 160 288 160 0 9.999999999999999E-5 0\nc 208 256 208 336 0 9.999999999999999E-5 0\nd 288 160 368 160 0\nc 368 160 368 336 0 9.999999999999999E-5 0\nw 368 160 432 160 0\nr 432 160 432 336 0 40000.0\ng 208 336 208 352 0\ng 368 336 368 352 0\ng 432 336 432 352 0\nR 208 160 160 160 0 1 120.0 15.0 0.0\no 12 64 0 3 80.0 0.00625\no 8 64 0 3 80.0 0.00625\n" }, { "path": "src/circuits/volume.txt", "content": "$ 1 5.0E-6 10 67 5.0 64\nj 304 240 352 240 0\nr 304 240 304 176 0 100000.0\nr 304 240 240 240 0 100000.0\nw 304 176 352 176 0\nw 352 176 352 224 0\ng 352 256 352 304 0\nw 352 176 352 128 0\nr 352 128 240 128 0 6000.0\nO 352 128 416 128 0\nR 240 128 192 128 0 1 200.0 5.0 0.0\nR 240 240 192 240 0 3 10.0 3.0 -8.0\no 10 64 0 6 20.0 9.765625E-5 0\no 8 64 0 6 5.0 9.765625E-5 0\n" }, { "path": "src/circuits/wheatstone.txt", "content": "v 176 352 176 64 0 0 40.0 5.0 0.0\nw 320 64 320 128 0\nw 320 256 320 352 0\nw 320 352 176 352 0\nr 256 192 320 128 0 200.0\nr 320 128 384 192 0 400.0\nr 256 192 320 256 0 100.0\nr 320 256 384 192 0 200.0\nw 176 64 320 64 0\nw 256 192 384 192 0\n" }, { "path": "src/circuits/xor.txt", "content": "$ 1 5.0E-6 1.5 50 5.0\n151 96 240 208 240 0 2 0\n151 208 192 320 192 0 2 0\n151 208 288 320 288 0 2 0\nw 208 240 208 272 0\nw 208 240 208 208 0\n151 320 240 432 240 0 2 0\nw 320 192 320 224 0\nw 320 256 320 288 0\nw 96 176 96 224 0\nw 96 176 208 176 0\nw 96 256 96 304 0\nw 96 304 208 304 0\nM 432 240 480 240 0\nL 96 176 48 176 0 true false\nL 96 304 48 304 0 true false\n" }, { "path": "src/circuits/xorphasedet.txt", "content": "$ 1 5.0E-6 10 50 5.0\nR 192 128 128 128 0 2 100.0 2.5 2.5\nR 192 224 128 224 0 2 105.0 2.5 2.5\n154 192 176 336 176 0 2 0.0\nO 336 176 416 176 0\nw 192 128 192 160 0\nw 192 192 192 224 0\no 0 64 0 6 5.0 9.765625E-5 0\no 1 64 0 6 5.0 9.765625E-5 0\no 3 64 0 6 5.0 9.765625E-5 0\n" }, { "path": "src/circuits/zeneriv.txt", "content": "$ 1 5.0E-6 10.634267539816555 40 2.0 50\nR 320 208 320 160 0 3 50.0 3.55 -2.56 0.0 0.5\ng 320 288 320 320 0\nz 320 208 320 288 1 0.805904783 5.6\no 2 64 0 99 10.0 25.6 0 -1\no 2 64 0 35 10.0 25.6 1 -1\n" }, { "path": "src/circuits/zenerref.txt", "content": "$ 1 5.0E-6 10.20027730826997 54 5.0 50\nR 272 160 224 160 0 1 40.0 1.0 6.7 0.0 0.5\nz 336 288 336 160 1 0.805904783 5.6\ng 336 288 336 304 0\nw 336 160 416 160 0\nr 416 160 416 288 0 10000.0\ng 416 288 416 304 0\nr 272 160 336 160 0 500.0\no 0 64 0 34 10.0 0.003125 0 -1 in\no 4 64 0 34 10.0 3.90625E-4 1 -1 out\no 1 64 0 35 10.0 0.00625 2 -1 zener\n" }, { "path": "src/circuits/zenerreffollow.txt", "content": "$ 1 5.0E-6 10.20027730826997 56 5.0 50\nR 240 128 192 128 0 1 40.0 2.0 8.8 0.0 0.5\nw 240 128 320 128 0\nr 320 128 320 208 0 10000.0\nt 320 208 400 208 0 1 -3.046294556431631 0.6320971159170448 100.0\nr 400 128 400 192 0 100.0\nw 320 128 400 128 0\nz 320 320 320 208 1 0.805904783 5.6\nw 400 224 400 256 0\nw 400 256 448 256 0\nr 448 256 448 320 0 500.0\ng 448 320 448 336 0\ng 320 320 320 336 0\no 0 64 0 34 12.0 0.00625 0 -1 in\no 9 64 0 35 5.0 0.0125 1 -1 out\no 6 64 0 35 10.0 7.8125E-4 2 -1 zener\n" }, { "path": "src/setuplist.txt", "content": "### setuplist.txt first line must be a comment\n+Basics\nohms.txt Ohm's Law\nresistors.txt Resistors\ncap.txt Capacitor\ninduct.txt Inductor\n>lrc.txt LRC Circuit\nvoltdivide.txt Voltage Divider\npot.txt Potentiometer\npotdivide.txt Potentiometer Divider\nthevenin.txt Thevenin's Theorem\nnorton.txt Norton's Theorem\n-\n+A/C Circuits\ncapac.txt Capacitor\ninductac.txt Inductor\ncapmultcaps.txt Caps of Various Capacitances\ncapmultfreq.txt Caps w/ Various Frequencies\nindmultind.txt Inductors of Various Inductances\nindmultfreq.txt Inductors w/ Various Frequencies\nimpedance.txt Impedances of Same Magnitude\nres-series.txt Series Resonance\nres-par.txt Parallel Resonance\n-\n+Passive Filters\nfilt-hipass.txt High-Pass Filter (RC)\nfilt-lopass.txt Low-Pass Filter (RC)\nfilt-hipass-l.txt High-Pass Filter (RL)\nfilt-lopass-l.txt Low-Pass Filter (RL)\nbandpass.txt Band-pass Filter\nnotch.txt Notch Filter\ntwint.txt Twin-T Filter\ncrossover.txt Crossover\nbutter10lo.txt Butterworth Low-Pass (10 pole)\nbesselbutter.txt Bessel vs Butterworth\nringing.txt Band-pass with Ringing\n-\n+Other Passive Circuits\n+Series/Parallel\nindseries.txt Inductors in Series\nindpar.txt Inductors in Parallel\ncapseries.txt Caps in Series\ncappar.txt Caps in Parallel\n-\n+Transformers\ntransformer.txt Transformer\ntransformerdc.txt Transformer w/ DC\ntransformerup.txt Step-Up Transformer\ntransformerdown.txt Step-Down Transformer\nlongdist.txt Long-Distance Power Transmission\n-\n+Relays\nrelay.txt Relay\nrelayand.txt Relay AND\nrelayor.txt Relay OR\nrelayxor.txt Relay XOR\nrelaymux.txt Relay Mux\nrelayff.txt Relay Flip-Flop\nrelaytff.txt Relay Toggle Flip-Flop\nrelayctr.txt Relay Counter\n-\n3way.txt 3-Way Light Switches\n4way.txt 3- and 4-Way Light Switches\ndiff.txt Differentiator\nwheatstone.txt Wheatstone Bridge\nlrc-critical.txt Critically Damped LRC\ncurrentsrcelm.txt Current Source\ninductkick.txt Inductive Kickback\ninductkick-snub.txt Blocking Inductive Kickback\npowerfactor1.txt Power Factor\npowerfactor2.txt Power Factor Correction\ngrid.txt Resistor Grid\ngrid2.txt Resistor Grid 2\ncube.txt Resistor Cube\n+Coupled LC's\ncoupled1.txt LC Modes (2)\ncoupled2.txt Weak Coupling\ncoupled3.txt LC Modes (3)\nladder.txt LC Ladder\n-\nphaseseq.txt Phase-Sequence Network\nlissa.txt Lissajous Figures\n-\n+Diodes\ndiodevar.txt Diode\ndiodecurve.txt Diode I/V Curve\nrectify.txt Half-Wave Rectifier\nfullrect.txt Full-Wave Rectifier\nfullrectf.txt Full-Wave Rectifier w/ Filter\ndiodelimit.txt Diode Limiter\n+Zener Diodes\nzeneriv.txt I/V Curve\nzenerref.txt Voltage Reference\nzenerreffollow.txt Voltage Reference w/ Follower\n-\ndcrestoration.txt DC Restoration\ninductkick-block.txt Blocking Inductive Kickback\nspikegen.txt Spike Generator\n+Voltage Multipliers\nvoltdouble.txt Voltage Doubler\nvoltdouble2.txt Voltage Doubler 2\nvolttriple.txt Voltage Tripler\nvoltquad.txt Voltage Quadrupler\n-\namdetect.txt AM Detector\ndiodeclip.txt Waveform Clipper\nsinediode.txt Triangle-to-Sine Converter\nringmod.txt Ring Modulator\n-\n+Op-Amps\nopamp.txt Op-Amp\nopampfeedback.txt Op-Amp Feedback\n+Amplifiers\namp-invert.txt Inverting Amplifier\namp-noninvert.txt Noninverting Amplifier\namp-follower.txt Follower\namp-diff.txt Differential Amplifier\namp-sum.txt Summing Amplifier\nlogconvert.txt Log Amplifier\nclassd.txt Class-D Amplifier\n-\n+Oscillators\nrelaxosc.txt Relaxation Oscillator\nphaseshiftosc.txt Phase-Shift Oscillator\ntriangle.txt Triangle Wave Generator\nsine.txt Sine Wave Generator\nsawtooth.txt Sawtooth Wave Generator\nvco.txt Voltage-Controlled Oscillator\nrossler.txt Rossler Circuit\n-\namp-rect.txt Half-Wave Rectifier (inverting)\namp-fullrect.txt Full-Wave Rectifier\npeak-detect.txt Peak Detector\namp-integ.txt Integrator\namp-dfdx.txt Differentiator\namp-schmitt.txt Schmitt Trigger\nnic-r.txt Negative Impedance Converter\ngyrator.txt Gyrator\ncapmult.txt Capacitance Multiplier\nhowland.txt Howland Current Source\nitov.txt I-to-V Converter\nopamp-regulator.txt Voltage Regulator\nopint.txt 741 Internals\nopint-invert-amp.txt 741 (inverting amplifier)\nopint-slew.txt 741 Slew Rate\nopint-current.txt 741 Current Limits\n-\n+Transistors\nnpn.txt NPN Transistor\npnp.txt PNP Transistor\ntransswitch.txt Switch\nfollower.txt Emitter Follower\n+Multivibrators\nmultivib-a.txt Astable Multivib\nmultivib-bi.txt Bistable Multivib (Flip-Flop)\nmultivib-mono.txt Monostable Multivib (One-Shot)\n-\nceamp.txt Common-Emitter Amplifier\nphasesplit.txt Unity-Gain Phase Splitter\nschmitt.txt Schmitt Trigger\ncurrentsrc.txt Current Source\ncurrentsrcramp.txt Current Source Ramp\nmirror.txt Current Mirror\ndarlington.txt Darlington Pair\n+Differential Amplifiers\ntrans-diffamp.txt Differential Input\ntrans-diffamp-common.txt Common-Mode Input\ntrans-diffamp-cursrc.txt Common-Mode w/Current Source\n-\n+Push-Pull Follower\npushpullxover.txt Simple, with distortion\npushpull.txt Improved\n-\n+Oscillators\ncolpitts.txt Colpitts Oscillator\nhartley.txt Hartley Oscillator\neclosc.txt Emitter-Coupled LC Oscillator\n-\n-\n+MOSFETs\nnmosfet.txt n-MOSFET\npmosfet.txt p-MOSFET\nmosswitch.txt Switch\nmosfollower.txt Source Follower\nmoscurrentsrc.txt Current Source\nmoscurrentramp.txt Current Ramp\nmosmirror.txt Current Mirror\nmosfetamp.txt Common-Source Amplifier\ncmosinverter.txt CMOS Inverter\ncmosinvertercap.txt CMOS Inverter (w/capacitance)\ncmosinverterslow.txt CMOS Inverter (slow transition)\ncmostransgate.txt CMOS Transmission Gate\nmux.txt CMOS Multiplexer\nsamplenhold.txt Sample-and-Hold\ndelayrc.txt Delayed Buffer\nleadingedge.txt Leading-Edge Detector\nswitchfilter.txt Switchable Filter\nvoltinvert.txt Voltage Inverter\ninvertamp.txt Inverter Amplifier\ninv-osc.txt Inverter Oscillator\n-\n+555 Timer Chip\n555square.txt Square Wave Generator\n555int.txt Internals\n555saw.txt Sawtooth Oscillator\n555lowduty.txt Low-duty-cycle Oscillator\n555monostable.txt Monostable Multivibrator\n555pulsemod.txt Pulse Width Modulator\n555sequencer.txt Pulse Sequencer\n555schmitt.txt Schmitt Trigger (inverting)\n555missing.txt Missing Pulse Detector\n-\n+Active Filters\nfilt-vcvs-lopass.txt VCVS Low-Pass Filter\nfilt-vcvs-hipass.txt VCVS High-Pass Filter\nswitchedcap.txt Switched-Capacitor Filter\nallpass1.txt Allpass\nallpass2.txt Allpass w/ Square\n-\n+Logic Families\n+RTL\nrtlinverter.txt RTL Inverter\nrtlnor.txt RTL NOR\nrtlnand.txt RTL NAND\n-\n+DTL\ndtlinverter.txt DTL Inverter\ndtlnand.txt DTL NAND\ndtlnor.txt DTL NOR\n-\n+TTL\nttlinverter.txt TTL Inverter\nttlnand.txt TTL NAND\nttlnor.txt TTL NOR\n-\n+NMOS\nnmosinverter.txt NMOS Inverter\nnmosinverter2.txt NMOS Inverter 2\nnmosnand.txt NMOS NAND\n-\n+CMOS\ncmosinverter.txt CMOS Inverter\ncmosnand.txt CMOS NAND\ncmosnor.txt CMOS NOR\ncmosxor.txt CMOS XOR\ncmosff.txt CMOS Flip-Flop\ncmosmsff.txt CMOS Master-Slave Flip-Flop\n-\n+ECL\neclnor.txt ECL NOR/OR\n-\n+Ternary\n3-cgand.txt CGAND\n3-cgor.txt CGOR\n3-invert.txt Complement (F210)\n3-f211.txt F211\n3-f220.txt F220\n3-f221.txt F221\n-\n-\n+Combinational Logic\nxor.txt Exclusive OR\nhalfadd.txt Half Adder\nfulladd.txt Full Adder\ndecoder.txt 1-of-4 Decoder\nmux3state.txt 2-to-1 Mux\nmajority.txt Majority Logic\ndigcompare.txt 2-Bit Comparator\n7segdecoder.txt 7-Segment LED Decoder\n-\n+Sequential Logic\n+Flip-Flops\nnandff.txt SR Flip-Flop\nclockedsrff.txt Clocked SR Flip-Flop\nmasterslaveff.txt Master-Slave Flip-Flop\nedgedff.txt Edge-Triggered D Flip-Flop\njkff.txt JK Flip-Flop\n-\n+Counters\ncounter.txt 4-Bit Ripple Counter\ncounter8.txt 8-Bit Ripple Counter\nsynccounter.txt Synchronous Counter\ndeccounter.txt Decimal Counter\ngraycode.txt Gray Code Counter\njohnsonctr.txt Johnson Counter\n-\ndivideby2.txt Divide-by-2\ndivideby3.txt Divide-by-3\nledflasher.txt LED Flasher\ntraffic.txt Traffic Light\ndram.txt Dynamic RAM\n-\n+Analog/Digital\nflashadc.txt Flash ADC\ndeltasigma.txt Delta-Sigma ADC\nhfadc.txt Half-Flash (Subranging) ADC\ndac.txt Binary-Weighted DAC\nr2rladder.txt R-2R Ladder DAC\nswtreedac.txt Switch-Tree DAC\ndigsine.txt Digital Sine Wave\n-\n+Phase-Locked Loops\nxorphasedet.txt XOR Phase Detector\npll.txt Type I PLL\nphasecomp.txt Phase Comparator (Type II)\nphasecompint.txt Phase Comparator Internals\npll2.txt Type II PLL\npll2a.txt Type II PLL (fast)\nfreqdouble.txt Frequency Doubler\n-\n+Transmission Lines\ntl.txt Simple TL\ntlstand.txt Standing Wave\ntlterm.txt Termination\ntlmismatch.txt Mismatched lines (Pulse)\ntlmis1.txt Mismatched lines (Standing Wave)\ntlmatch1.txt Impedance Matching (L-Section)\ntlmatch2.txt Impedance Matching (Shunt Stub)\ntlfreq.txt Stub Frequency Response\ntllopass.txt Low-Pass Filter\ntllight.txt Light Switch\n-\n+Misc Devices\n+JFETs\njfetcurrentsrc.txt JFET Current Source\njfetfollower.txt JFET Follower\njfetfollower-nooff.txt JFET Follower w/zero offset\njfetamp.txt Common-Source Amplifier\nvolume.txt Volume Control\n-\n+Tunnel Diodes\ntdiode.txt I/V Curve\ntdosc.txt LC Oscillator\ntdrelax.txt Relaxation Oscillator\n-\n+Memristors\nmr.txt Memristor\nmr-sine.txt Sine Wave\nmr-square.txt Square Wave\nmr-triangle.txt Triangle Wave\nmr-sine2.txt Hard-Switching 1\nmr-sine3.txt Hard-Switching 2\nmr-crossbar.txt Crossbar Memory\n-\n+Triodes\ntriode.txt Triode\ntriodeamp.txt Amplifier\n-\n+Silicon-Controlled Rectifiers\nscr.txt SCR\nscractrig.txt AC Trigger\n-\n+Current Conveyor\ncc2.txt CCII+\ncc2n.txt CCII-\nccinductor.txt Inductor Simulator\ncc2imp.txt CCII+ Implementation\ncc2impn.txt CCII- Implementation\ncciamp.txt Current Amplifier\nccvccs.txt VCCS\nccdiff.txt Current Differentiator\nccint.txt Current Integrator\nccitov.txt Current-Controlled Voltage Source\n-\n+Spark Gap\nspark-sawtooth.txt Sawtooth Generator\ntesla.txt Tesla Coil\nspark-marx.txt Marx Generator\n-\n-\nblank.txt Blank Circuit\n" } ]