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Repository: TheAlgorithms/AArch64_Assembly
Branch: main
Commit: e440c077d5e7
Files: 41
Total size: 310.7 KB

Directory structure:
gitextract_eoup5y1n/

├── .github/
│   └── workflows/
│       └── directory_workflow.yml
├── CODE_OF_CONDUCT.md
├── CONTRIBUTING.md
├── DIRECTORY.md
├── LICENSE
├── README.md
├── misc/
│   ├── 2048.s
│   ├── hello_world.s
│   ├── josephus_problem.s
│   ├── perfect_numbers.s
│   ├── sha1.s
│   ├── sha256.s
│   └── y_combinator.s
├── sorters/
│   ├── bead_sort.s
│   ├── bogo_sort.s
│   ├── bubble_sort.s
│   ├── circle_sort.s
│   ├── cocktail_sort.s
│   ├── comb_sort.s
│   ├── counting_sort.s
│   ├── gnome_sort.s
│   ├── heap_sort.s
│   ├── insertion_sort.s
│   ├── jort_sort.s
│   ├── merge_sort.s
│   ├── pancake_sort.s
│   ├── patience_sort.s
│   ├── permutation_sort.s
│   ├── quick_sort.s
│   ├── radix_sort.s
│   ├── selection_sort.s
│   └── shell_sort.s
└── string/
    ├── append.s
    ├── comparison.s
    ├── concatenation.s
    ├── interpolation.s
    ├── length.s
    ├── matching.s
    ├── prepend.s
    ├── substring.s
    └── tokenize_string.s

================================================
FILE CONTENTS
================================================

================================================
FILE: .github/workflows/directory_workflow.yml
================================================
name: directory_md
on: [push, pull_request]

jobs:
  MainSequence:
    name: DIRECTORY.md
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1 # v2 is broken for git diff
      - uses: actions/setup-python@v2
      - name: Setup Git Specs
        run: |
          git config --global user.name github-actions
          git config --global user.email '${GITHUB_ACTOR}@users.noreply.github.com'
          git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
      - name: Update DIRECTORY.md
        shell: python
        run: |
            import os
            from typing import Iterator
            URL_BASE = "https://github.com/TheAlgorithms/AArch64_Assembly/blob/main"
            g_output = []
            def good_filepaths(top_dir: str = ".") -> Iterator[str]:
                fs_exts = tuple(".asm .s".split())
                for dirpath, dirnames, filenames in os.walk(top_dir):
                    dirnames[:] = [d for d in dirnames if d[0] not in "._"]
                    for filename in filenames:
                        if os.path.splitext(filename)[1].lower() in fs_exts:
                            yield os.path.join(dirpath, filename).lstrip("./")
            def md_prefix(i):
                return f"{i * '  '}*" if i else "\n##"
            def print_path(old_path: str, new_path: str) -> str:
                global g_output
                old_parts = old_path.split(os.sep)
                for i, new_part in enumerate(new_path.split(os.sep)):
                    if i + 1 > len(old_parts) or old_parts[i] != new_part:
                        if new_part:
                            g_output.append(f"{md_prefix(i)} {new_part.replace('_', ' ').title()}")
                return new_path
            def build_directory_md(top_dir: str = ".") -> str:
                global g_output
                old_path = ""
                for filepath in sorted(good_filepaths(), key=str.lower):
                    filepath, filename = os.path.split(filepath)
                    if filepath != old_path:
                        old_path = print_path(old_path, filepath)
                    indent = (filepath.count(os.sep) + 1) if filepath else 0
                    url = "/".join((URL_BASE, filepath, filename)).replace(" ", "%20")
                    filename = os.path.splitext(filename.replace("_", " ").title())[0]
                    g_output.append(f"{md_prefix(indent)} [{filename}]({url})")
                return "# List of all files\n" + "\n".join(g_output)
            with open("DIRECTORY.md", "w") as out_file:
                out_file.write(build_directory_md(".") + "\n")
      - name: Commit DIRECTORY.md
        run: |
         git commit -m "updating DIRECTORY.md" DIRECTORY.md ||  true
         git diff DIRECTORY.md
         git push --force origin HEAD:$GITHUB_REF || true


================================================
FILE: CODE_OF_CONDUCT.md
================================================
# Contributor Covenant Code of Conduct

## Our Pledge

In the interest of fostering an open and welcoming environment, we as
contributors and maintainers pledge to making participation in our project and
our community a harassment-free experience for everyone, regardless of age, body
size, disability, ethnicity, sex characteristics, gender identity and expression,
level of experience, education, socio-economic status, nationality, personal
appearance, race, religion, or sexual identity and orientation.

## Our Standards

Examples of behavior that contributes to creating a positive environment
include:

* Using welcoming and inclusive language
* Being respectful of differing viewpoints and experiences
* Gracefully accepting constructive criticism
* Focusing on what is best for the community
* Showing empathy towards other community members

Examples of unacceptable behavior by participants include:

* The use of sexualized language or imagery and unwelcome sexual attention or
 advances
* Trolling, insulting/derogatory comments, and personal or political attacks
* Public or private harassment
* Publishing others' private information, such as a physical or electronic
 address, without explicit permission
* Other conduct which could reasonably be considered inappropriate in a
 professional setting

## Our Responsibilities

Project maintainers are responsible for clarifying the standards of acceptable
behavior and are expected to take appropriate and fair corrective action in
response to any instances of unacceptable behavior.

Project maintainers have the right and responsibility to remove, edit, or
reject comments, commits, code, wiki edits, issues, and other contributions
that are not aligned to this Code of Conduct, or to ban temporarily or
permanently any contributor for other behaviors that they deem inappropriate,
threatening, offensive, or harmful.

## Scope

This Code of Conduct applies both within project spaces and in public spaces
when an individual is representing the project or its community. Examples of
representing a project or community include using an official project e-mail
address, posting via an official social media account, or acting as an appointed
representative at an online or offline event. Representation of a project may be
further defined and clarified by project maintainers.

## Enforcement

Instances of abusive, harassing, or otherwise unacceptable behavior may be
reported by contacting the project team at siryaka@gmail.com. All
complaints will be reviewed and investigated and will result in a response that
is deemed necessary and appropriate to the circumstances. The project team is
obligated to maintain confidentiality with regard to the reporter of an incident.
Further details of specific enforcement policies may be posted separately.

Project maintainers who do not follow or enforce the Code of Conduct in good
faith may face temporary or permanent repercussions as determined by other
members of the project's leadership.

## Attribution

This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html

[homepage]: https://www.contributor-covenant.org

For answers to common questions about this code of conduct, see
https://www.contributor-covenant.org/faq


================================================
FILE: CONTRIBUTING.md
================================================
# Contributing

When contributing to this repository, if your changes are subjective, controversial or people are likely to have
polarized opinions on this matter, please first discuss the change you wish to make via issue with the owners of
this repository.

We welcome adding new algorithms and data structures that were mentioned in books or other reputable sources.
We also welcome fixing bugs in code, clarifying documentation and adding new test cases to check existing code.

Please note that we have a code of conduct, please follow it in all your interactions with the project.


================================================
FILE: DIRECTORY.md
================================================
# List of all files

## Misc
  * [2048](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/misc/2048.s)
  * [Hello World](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/misc/hello_world.s)
  * [Josephus Problem](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/misc/josephus_problem.s)
  * [Perfect Numbers](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/misc/perfect_numbers.s)
  * [Sha1](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/misc/sha1.s)
  * [Sha256](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/misc/sha256.s)
  * [Y Combinator](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/misc/y_combinator.s)

## Sorters
  * [Bead Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/bead_sort.s)
  * [Bogo Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/bogo_sort.s)
  * [Bubble Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/bubble_sort.s)
  * [Circle Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/circle_sort.s)
  * [Cocktail Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/cocktail_sort.s)
  * [Comb Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/comb_sort.s)
  * [Counting Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/counting_sort.s)
  * [Gnome Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/gnome_sort.s)
  * [Heap Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/heap_sort.s)
  * [Insertion Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/insertion_sort.s)
  * [Jort Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/jort_sort.s)
  * [Merge Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/merge_sort.s)
  * [Pancake Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/pancake_sort.s)
  * [Patience Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/patience_sort.s)
  * [Permutation Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/permutation_sort.s)
  * [Quick Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/quick_sort.s)
  * [Radix Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/radix_sort.s)
  * [Selection Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/selection_sort.s)
  * [Shell Sort](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/sorters/shell_sort.s)

## String
  * [Append](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/string/append.s)
  * [Comparison](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/string/comparison.s)
  * [Concatenation](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/string/concatenation.s)
  * [Interpolation](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/string/interpolation.s)
  * [Length](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/string/length.s)
  * [Matching](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/string/matching.s)
  * [Prepend](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/string/prepend.s)
  * [Substring](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/string/substring.s)
  * [Tokenize String](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/string/tokenize_string.s)


================================================
FILE: LICENSE
================================================
MIT License

Copyright (c) 2021 The Algorithms

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.


================================================
FILE: README.md
================================================
# The Algorithms - AArch64_Assembly
This repository contains algorithms and data structures implemented in AArch64 Assembly for eductional purposes.

## Contribution
You can contribute with pleasure to this repository. Please orient on the directory structure and overall code style of this repository. If you want to ask a question or suggest something, please open an issue.


================================================
FILE: misc/2048.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/2048
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program 2048.s   */ 
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
.equ SIZE,       4       
.equ TOTAL,      2048
.equ BUFFERSIZE, 80
 
.equ KEYSIZE,    8
.equ IOCTL,     0x1D  // Linux syscall
.equ SIGACTION, 0x86  // Linux syscall
.equ SYSPOLL,   0x16  // Linux syscall
.equ CREATPOLL, 0x14  // Linux syscall
.equ CTLPOLL,   0x15  // Linux syscall
 
.equ TCGETS,    0x5401
.equ TCSETS,    0x5402
.equ ICANON,    2
.equ ECHO,     10
.equ POLLIN,    1
.equ EPOLL_CTL_ADD,    1
 
.equ SIGINT,   2      // Issued if the user sends an interrupt signal (Ctrl + C)
.equ SIGQUIT,  3      // Issued if the user sends a quit signal (Ctrl + D)
.equ SIGTERM, 15      // Software termination signal (sent by kill by default)
.equ SIGTTOU, 22
 
/*******************************************/
/* Structures                               */
/********************************************/
/* structure termios see doc linux*/
    .struct  0
term_c_iflag:                    // input modes
    .struct  term_c_iflag + 4 
term_c_oflag:                    // output modes
    .struct  term_c_oflag + 4 
term_c_cflag:                    // control modes
    .struct  term_c_cflag + 4 
term_c_lflag:                    // local modes
    .struct  term_c_lflag + 4 
term_c_cc:                       // special characters
    .struct  term_c_cc + 40      // see length if necessary 
term_fin:
 
/* structure sigaction see doc linux */
    .struct  0
sa_handler:
    .struct  sa_handler + 8 
sa_mask:
    .struct  sa_mask + 8 
sa_flags:
    .struct  sa_flags + 8
sa_sigaction:
    .struct  sa_sigaction + 8
sa_fin:
 
/* structure poll see doc linux */
    .struct  0
poll_event:                        //  events mask
    .struct  poll_event + 8
poll_fd:                           // events returned
    .struct  poll_fd  + 8
poll_fin:
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessOK:           .asciz "Bravo !! You win. \n"
szMessNotOK:        .asciz "You lost !! \n"
szMessNewGame:      .asciz "New game (y/n) ? \n"
szMessErreur:       .asciz "Error detected.\n"
szMessErrInitTerm:  .asciz "Error terminal init.\n"
szMessErrInitPoll:  .asciz "Error poll init.\n"
szMessErreurKey:    .asciz "Error read key.\n"
szMessErr:          .asciz    "Error code hexa : @ décimal : @ \n"
szCarriageReturn:   .asciz "\n"
szMess0:            .asciz "      "
szMess2:            .asciz "   2  "
szMess4:            .asciz "   4  "
szMess8:            .asciz "   8  "
szMess16:           .asciz "  16  "
szMess32:           .asciz "  32  "
szMess64:           .asciz "  64  "
szMess128:          .asciz " 128  "
szMess256:          .asciz " 256  "
szMess512:          .asciz " 512  "
szMess1024:         .asciz " 1024 "
szMess2048:         .asciz " 2048 "
szCleax1:           .byte 0x1B 
                    .byte 'c'           // other console clear
                    .byte 0
 
szLineH:            .asciz "-----------------------------\n"
szLineV:            .asciz "|"
szLineVT:           .asciz "|      |      |      |      |\n"
.align 4
qGraine:            .quad 123456
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
.align 4
sZoneConv:      .skip 24
sBuffer:        .skip BUFFERSIZE
qTbCase:        .skip 8 * SIZE * SIZE
qEnd:           .skip 8                        // 0 loop  1 = end loop
qTouche:        .skip KEYSIZE                  // value key pressed
stOldtio:       .skip term_fin                 // old terminal state
stCurtio:       .skip term_fin                 // current terminal state
stSigAction:    .skip sa_fin                   // area signal structure
stSigAction1:   .skip sa_fin
stSigAction2:   .skip sa_fin
stSigAction3:   .skip sa_fin
stPoll1:        .skip poll_fin                 // area poll structure
stPoll2:        .skip poll_fin
stevents:       .skip 16
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main
main:                                // entry of program 
    mov x0,#0
    bl initTerm                      // terminal init
    cmp x0,0                         // error ?
    blt 100f
    bl initPoll                      // epoll instance init
    cmp x0,0
    blt 99f
    mov x22,x0                        // save epfd
1:                                    // begin game loop
    ldr x0,qAdrszCleax1
    bl affichageMess
    bl razTable
2:
    bl addDigit   
    cmp x0,#-1
    beq 5f                            // end game
    bl displayGame
3:
    mov x0,x22
    bl waitKey
    cmp x0,0
    beq 3b
    bl readKey
    cmp x0,#-1
    beq 99f                          // error
    bl keyMove
    cmp x0,#0
    beq 3b                            // no change -> loop
    cmp x0,#2                         // last addition = 2048 ?
    beq 4f
    cmp x0,#-1                        // quit ?
    bne 2b                            // loop
 
    b 10f
4:                                    // last addition = 2048 
    ldr x0,qAdrszMessOK
    bl affichageMess
    b 10f
5:                                    // display message no solution
    ldr x0,qAdrszMessNotOK
    bl affichageMess
 
10:                                   // display new game ?
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
    ldr x0,qAdrszMessNewGame
    bl affichageMess
11:
    mov x0,x22
    bl waitKey
    cmp x0,0
    beq 11b
    bl readKey
    ldr x0,qAdrqTouche
    ldrb w0,[x0]
    cmp w0,#'y'
    beq 1b
    cmp w0,#'Y'
    beq 1b
99:
    bl restauTerm                     // terminal restaur
100:                                  // standard end of the program 
    mov x0, #0                        // return code
    mov x8, #EXIT                     // request to exit program
    svc #0                            // perform the system call
 
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrszMessNotOK:          .quad szMessNotOK
qAdrszMessOK:             .quad szMessOK
qAdrszMessNewGame:        .quad szMessNewGame
qAdrsZoneConv:            .quad sZoneConv
qAdrszCleax1:             .quad szCleax1
qAdrszMessErrInitTerm:    .quad szMessErrInitTerm
qAdrszMessErrInitPoll:    .quad szMessErrInitPoll
qAdrszMessErreurKey:      .quad szMessErreurKey
qAdrstOldtio:             .quad stOldtio
qAdrstCurtio:             .quad stCurtio
qAdrstSigAction:          .quad stSigAction
qAdrstSigAction1:         .quad stSigAction1
qAdrSIG_IGN:              .quad 1
qAdrqEnd:                 .quad qEnd
qAdrqTouche:              .quad qTouche
qAdrstevents:             .quad stevents
/******************************************************************/
/*     raz table cases                                                   */ 
/******************************************************************/
razTable:
    stp x0,lr,[sp,-16]!     // save  registres
    stp x1,x2,[sp,-16]!     // save  registres
    ldr x1,qAdrqTbCase
    mov x2,#0
1:
    str xzr,[x1,x2,lsl #3]
    add x2,x2,#1
    cmp x2,#SIZE * SIZE
    blt 1b
100:
    ldp x1,x2,[sp],16       // restaur des  2 registres
    ldp x0,lr,[sp],16       // restaur des  2 registres
    ret
/******************************************************************/
/*     key move                                                   */ 
/******************************************************************/
/* x0 contains key value               */
keyMove:
    stp x1,lr,[sp,-16]!     // save  registres
    lsr x0,x0,#16
    cmp x0,#0x42                  // down arrow 
    bne 1f
    bl moveDown
    b 100f
1:
    cmp x0,#0x41                  // high arrow
    bne 2f
    bl moveUp
    b 100f
2:
    cmp x0,#0x43                  // right arrow
    bne 3f
    bl moveRight
    b 100f
3:
    cmp x0,#0x44                  // left arrow
    bne 4f
    bl moveLeft
    b 100f
4:
    ldr x0,qAdrqTouche
    ldrb w0,[x0]
    cmp w0,#'q'                   // quit game
    bne 5f
    mov x0,#-1
    b 100f
5:
    cmp w0,#'Q'                   // quit game
    bne 100f
    mov x0,#-1
    b 100f
 
100:
    ldp x1,lr,[sp],16       // restaur des  2 registres
    ret
/******************************************************************/
/*           move left                                   */ 
/******************************************************************/
/* x0 return -1 if ok     */
moveLeft:
    stp x1,lr,[sp,-16]!          // save  registres
    stp x2,x3,[sp,-16]!          // save  registres
    stp x4,x5,[sp,-16]!          // save  registres
    stp x6,x7,[sp,-16]!          // save  registres
    stp x8,x9,[sp,-16]!          // save  registres
    stp x10,x11,[sp,-16]!        // save  registres
    ldr x1,qAdrqTbCase
    mov x0,#0                   // top move Ok
    mov x2,#0                   // line indice
1:
    mov x6,#0                   // counter empty case
    mov x7,#0                   // first digit
    mov x10,#0                  // last digit to add
    mov x3,#0                   // column indice
2:
    lsl x5,x2,#2                // change this if size <> 4
    add x5,x5,x3                // compute table indice
    ldr x4,[x1,x5,lsl #3]
    cmp x4,#0
    cinc x6,x6,eq               // positions vides
    beq 5f
    cmp x6,#0
    beq 3f                      // no empty left case
    mov x8,#0
    str x8,[x1,x5,lsl #3]       // raz digit
    sub x5,x5,x6
    str x4,[x1,x5,lsl #3]       // and store to left empty position
    mov x0,#1                   // move Ok
3:
    cmp x7,#0                   // first digit
    beq 4f
    cmp x10,x4                  // prec digit have to add 
    beq 4f
    sub x8,x5,#1                // prec digit 
    ldr x9,[x1,x8,lsl #3]
    cmp x4,x9                   // equal ?
    bne 4f
    mov x10,x4                  // save digit 
    add x4,x4,x9                // yes -> add
    str x4,[x1,x8,lsl #3]
    cmp x4,#TOTAL
    beq 6f
    mov x4,#0
    str x4,[x1,x5,lsl #3]
    add x6,x6,#1                // empty case + 1
    mov x0,#1                   // move Ok
4:
    add x7,x7,#1                // no first digit
 
5:                              // and loop
    add x3,x3,#1
    cmp x3,#SIZE
    blt 2b
    add x2,x2,#1
    cmp x2,#SIZE
    blt 1b
    b 100f
6:
    mov x0,#2                   // total = 2048
100:
    ldp x10,x11,[sp],16         // restaur des  2 registres
    ldp x8,x9,[sp],16           // restaur des  2 registres
    ldp x6,x7,[sp],16           // restaur des  2 registres
    ldp x4,x5,[sp],16           // restaur des  2 registres
    ldp x2,x3,[sp],16           // restaur des  2 registres
    ldp x1,lr,[sp],16           // restaur des  2 registres
    ret
/******************************************************************/
/*           move right                                   */ 
/******************************************************************/
/* x0 return -1 if ok     */
moveRight:
    stp x1,lr,[sp,-16]!          // save  registres
    stp x2,x3,[sp,-16]!          // save  registres
    stp x4,x5,[sp,-16]!          // save  registres
    stp x6,x7,[sp,-16]!          // save  registres
    stp x8,x9,[sp,-16]!          // save  registres
    stp x10,x11,[sp,-16]!        // save  registres
    ldr x1,qAdrqTbCase
    mov x0,#0
    mov x2,#0
1:
    mov x6,#0
    mov x7,#0
    mov x10,#0
    mov x3,#SIZE-1
2:
    lsl x5,x2,#2                  // change this if size <> 4
    add x5,x5,x3
    ldr x4,[x1,x5,lsl #3]
    cmp x4,#0
    cinc x6,x6,eq               // positions vides
    beq 5f
 
    cmp x6,#0
    beq 3f                      // no empty right case
    mov x0,#0
    str x0,[x1,x5,lsl #3]       // raz digit
    add x5,x5,x6
    str x4,[x1,x5,lsl #3]       // and store to right empty position
    mov x0,#1
3:
    cmp x7,#0                   // first digit
    beq 4f
    add x8,x5,#1                // next digit 
    ldr x9,[x1,x8,lsl #3]
    cmp x4,x9                   // equal ?
    bne 4f
    cmp x10,x4
    beq 4f
    mov x10,x4
    add x4,x4,x9                // yes -> add
    str x4,[x1,x8,lsl #3]
    cmp x4,#TOTAL
    beq 6f
    mov x4,#0
    str x4,[x1,x5,lsl #3]
    add x6,x6,#1                // empty case + 1
    mov x0,#1
4:
    add x7,x7,#1                // no first digit
 
5:                              // and loop
    sub x3,x3,#1
    cmp x3,#0
    bge 2b
    add x2,x2,#1
    cmp x2,#SIZE
    blt 1b
    b 100f
6:
    mov x0,#2
100:
    ldp x10,x11,[sp],16         // restaur des  2 registres
    ldp x8,x9,[sp],16           // restaur des  2 registres
    ldp x6,x7,[sp],16           // restaur des  2 registres
    ldp x4,x5,[sp],16           // restaur des  2 registres
    ldp x2,x3,[sp],16           // restaur des  2 registres
    ldp x1,lr,[sp],16           // restaur des  2 registres
    ret
/******************************************************************/
/*           move down                                   */ 
/******************************************************************/
/* x0 return -1 if ok     */
moveDown:
    stp x1,lr,[sp,-16]!          // save  registres
    stp x2,x3,[sp,-16]!          // save  registres
    stp x4,x5,[sp,-16]!          // save  registres
    stp x6,x7,[sp,-16]!          // save  registres
    stp x8,x9,[sp,-16]!          // save  registres
    stp x10,x11,[sp,-16]!        // save  registres
    ldr x1,qAdrqTbCase
    mov x0,#0
    mov x3,#0
1:
    mov x6,#0
    mov x7,#0
    mov x10,#0
    mov x2,#SIZE-1
2:
    lsl x5,x2,#2                  // change this if size <> 4
    add x5,x5,x3
    ldr x4,[x1,x5,lsl #3]
    cmp x4,#0
    cinc x6,x6,eq               // positions vides
    beq 5f
    cmp x6,#0
    beq 3f                      // no empty right case
    mov x0,#0
    str x0,[x1,x5,lsl #3]       // raz digit
    lsl x0,x6,#2
    add x5,x5,x0
    str x4,[x1,x5,lsl #3]       // and store to right empty position
    mov x0,#1
3:
    cmp x7,#0                   // first digit
    beq 4f
    add x8,x5,#SIZE                // down digit 
    ldr x9,[x1,x8,lsl #3]
    cmp x4,x9                   // equal ?
    bne 4f
    cmp x10,x4
    beq 4f
    mov x10,x4
    add x4,x4,x9                // yes -> add
    str x4,[x1,x8,lsl #3]
    cmp x4,#TOTAL
    beq 6f
    mov x4,#0
    str x4,[x1,x5,lsl #3]
    add x6,x6,#1                // empty case + 1
    mov x0,#1
4:
    add x7,x7,#1                   // no first digit
 
5:                           // and loop
    sub x2,x2,#1
    cmp x2,#0
    bge 2b
    add x3,x3,#1
    cmp x3,#SIZE
    blt 1b
    b 100f
6:
    mov x0,#2
100:
    ldp x10,x11,[sp],16         // restaur des  2 registres
    ldp x8,x9,[sp],16           // restaur des  2 registres
    ldp x6,x7,[sp],16           // restaur des  2 registres
    ldp x4,x5,[sp],16           // restaur des  2 registres
    ldp x2,x3,[sp],16           // restaur des  2 registres
    ldp x1,lr,[sp],16           // restaur des  2 registres
    ret
/******************************************************************/
/*           move up                                   */ 
/******************************************************************/
/* x0 return -1 if ok     */
moveUp:
    stp x1,lr,[sp,-16]!          // save  registres
    stp x2,x3,[sp,-16]!          // save  registres
    stp x4,x5,[sp,-16]!          // save  registres
    stp x6,x7,[sp,-16]!          // save  registres
    stp x8,x9,[sp,-16]!          // save  registres
    stp x10,x11,[sp,-16]!        // save  registres
    ldr x1,qAdrqTbCase
    mov x0,#0
    mov x3,#0
1:
    mov x6,#0
    mov x7,#0
    mov x10,#0
    mov x2,#0
2:
    lsl x5,x2,#2                  // change this if size <> 4
    add x5,x5,x3
    ldr x4,[x1,x5,lsl #3]
    cmp x4,#0
    cinc x6,x6,eq               // positions vides
    beq 5f
    cmp x6,#0
    beq 3f                      // no empty right case
    mov x0,#0
    str x0,[x1,x5,lsl #3]       // raz digit
    lsl x0,x6,#2
    sub x5,x5,x0
    str x4,[x1,x5,lsl #3]       // and store to right empty position
    mov x0,#1
3:
    cmp x7,#0                   // first digit
    beq 4f
    sub x8,x5,#SIZE             // up digit 
    ldr x9,[x1,x8,lsl #3]
    cmp x4,x9                   // equal ?
    bne 4f
    cmp x10,x4
    beq 4f
    mov x10,x4
    add x4,x4,x9                // yes -> add
    str x4,[x1,x8,lsl #3]
    cmp x4,#TOTAL
    beq 6f
    mov x4,#0
    str x4,[x1,x5,lsl #3]
    add x6,x6,#1                // empty case + 1
    mov x0,#1
4:
    add x7,x7,#1                // no first digit
 
5:                              // and loop
    add x2,x2,#1
    cmp x2,#SIZE
    blt 2b
    add x3,x3,#1
    cmp x3,#SIZE
    blt 1b
    b 100f
6:
    mov x0,#2
100:
    ldp x10,x11,[sp],16         // restaur des  2 registres
    ldp x8,x9,[sp],16           // restaur des  2 registres
    ldp x6,x7,[sp],16           // restaur des  2 registres
    ldp x4,x5,[sp],16           // restaur des  2 registres
    ldp x2,x3,[sp],16           // restaur des  2 registres
    ldp x1,lr,[sp],16           // restaur des  2 registres
    ret
/******************************************************************/
/*           add new digit on game                                   */ 
/******************************************************************/
/* x0 return -1 if ok     */
addDigit:
    stp x1,lr,[sp,-16]!          // save  registres
    stp x2,x3,[sp,-16]!          // save  registres
    stp x4,x5,[sp,-16]!          // save  registres
    sub sp,sp,#8 * SIZE*SIZE
    mov fp,sp
 
    mov x0,#100
    bl genereraleas
    cmp x0,#10
    mov x1,#4
    mov x5,#2
    csel x5,x5,x1,ge
   // movlt x5,#4
    //movge x5,#2
    ldr x1,qAdrqTbCase
    mov x3,#0
    mov x4,#0
1:  
    ldr x2,[x1,x3,lsl 3]
    cmp x2,#0
    bne 2f
    str x3,[fp,x4,lsl 3]
    add x4,x4,#1
2:
    add x3,x3,#1
    cmp x3,#SIZE*SIZE
    blt 1b
    cmp x4,#0                 // no empty case
    beq 4f
    cmp x4,#1
    bne 3f
    ldr x2,[fp]               // one case
    str x5,[x1,x2,lsl 3]
    mov x0,#0
    b 100f
3:                            // multiple case
    sub x0,x4,#1
    bl genereraleas
    ldr x2,[fp,x0,lsl 3]
    str x5,[x1,x2,lsl 3]
    mov x0,#0
    b 100f
4:
    mov x0,#-1
100:
    add sp,sp,#8*  (SIZE*SIZE)  // stack alignement
    ldp x4,x5,[sp],16           // restaur des  2 registres
    ldp x2,x3,[sp],16           // restaur des  2 registres
    ldp x1,lr,[sp],16           // restaur des  2 registres
    ret
qAdrqTbCase:         .quad qTbCase
/******************************************************************/
/*            display game                                      */ 
/******************************************************************/
displayGame:
    stp x1,lr,[sp,-16]!          // save  registres
    stp x2,x3,[sp,-16]!          // save  registres
    ldr x0,qAdrszCleax1
    bl affichageMess
    ldr x0,qAdrszLineH
    bl affichageMess
    ldr x0,qAdrszLineVT
    bl affichageMess
    ldr x0,qAdrszLineV
    bl affichageMess
    ldr x1,qAdrqTbCase
    mov x2,#0
1:
    ldr x0,[x1,x2,lsl #3]
    bl digitString
    bl affichageMess
    ldr x0,qAdrszLineV
    bl affichageMess
    add x2,x2,#1
    cmp x2,#SIZE
    blt 1b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
    ldr x0,qAdrszLineVT
    bl affichageMess
    ldr x0,qAdrszLineH
    bl affichageMess
    ldr x0,qAdrszLineVT
    bl affichageMess
    ldr x0,qAdrszLineV
    bl affichageMess
2:
    ldr x0,[x1,x2,lsl #3]
    bl digitString
    bl affichageMess
    ldr x0,qAdrszLineV
    bl affichageMess
    add x2,x2,#1
    cmp x2,#SIZE*2
    blt 2b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
    ldr x0,qAdrszLineVT
    bl affichageMess
    ldr x0,qAdrszLineH
    bl affichageMess
    ldr x0,qAdrszLineVT
    bl affichageMess
    ldr x0,qAdrszLineV
    bl affichageMess
3:
    ldr x0,[x1,x2,lsl #3]
    bl digitString
    bl affichageMess
    ldr x0,qAdrszLineV
    bl affichageMess
    add x2,x2,#1
    cmp x2,#SIZE*3
    blt 3b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
    ldr x0,qAdrszLineVT
    bl affichageMess
    ldr x0,qAdrszLineH
    bl affichageMess
    ldr x0,qAdrszLineVT
    bl affichageMess
    ldr x0,qAdrszLineV
    bl affichageMess
4:
    ldr x0,[x1,x2,lsl #3]
    bl digitString
    bl affichageMess
    ldr x0,qAdrszLineV
    bl affichageMess
    add x2,x2,#1
    cmp x2,#SIZE*4
    blt 4b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
    ldr x0,qAdrszLineVT
    bl affichageMess
    ldr x0,qAdrszLineH
    bl affichageMess
 
100:
    ldp x2,x3,[sp],16           // restaur des  2 registres
    ldp x1,lr,[sp],16           // restaur des  2 registres
    ret
qAdrszLineH:         .quad szLineH
qAdrszLineV:         .quad szLineV
qAdrszLineVT:        .quad szLineVT
/******************************************************************/
/*            digits string                                       */ 
/******************************************************************/
/* x0 contains number */
/* x0 return address string */
digitString:
    stp x1,lr,[sp,-16]!          // save  registres
    cmp x0,#0
    bne 1f
    ldr x0,qAdrszMess0
    b 100f
1:
    cmp x0,#2
    bne 2f
    ldr x0,qAdrszMess2
    b 100f
2:
    cmp x0,#4
    bne 3f
    ldr x0,qAdrszMess4
    b 100f
3:
    cmp x0,#8
    bne 4f
    ldr x0,qAdrszMess8
    b 100f
4:
    cmp x0,#16
    bne 5f
    ldr x0,qAdrszMess16
    b 100f
5:
    cmp x0,#32
    bne 6f
    ldr x0,qAdrszMess32
    b 100f
6:
    cmp x0,#64
    bne 7f
    ldr x0,qAdrszMess64
    b 100f
7:
    cmp x0,#128
    bne 8f
    ldr x0,qAdrszMess128
    b 100f
8:
    cmp x0,#256
    bne 9f
    ldr x0,qAdrszMess256
    b 100f
9:
    cmp x0,#512
    bne 10f
    ldr x0,qAdrszMess512
    b 100f
10:
    cmp x0,#1024
    bne 11f
    ldr x0,qAdrszMess1024
    b 100f
11:
    cmp x0,#2048
    bne 12f
    ldr x0,qAdrszMess2048
    b 100f
12:
    ldr x1,qAdrszMessErreur                       // error message
    bl   displayError
100:
    ldp x1,lr,[sp],16           // restaur des  2 registres
    ret
qAdrszMess0:          .quad szMess0
qAdrszMess2:          .quad szMess2
qAdrszMess4:          .quad szMess4
qAdrszMess8:          .quad szMess8
qAdrszMess16:         .quad szMess16
qAdrszMess32:         .quad szMess32
qAdrszMess64:         .quad szMess64
qAdrszMess128:        .quad szMess128
qAdrszMess256:        .quad szMess256
qAdrszMess512:        .quad szMess512
qAdrszMess1024:       .quad szMess1024
qAdrszMess2048:        .quad szMess2048
 
//qAdrsBuffer:         .quad sBuffer
qAdrszMessErreur :        .quad szMessErreur 
 
/***************************************************/
/*   Generation random number                  */
/***************************************************/
/* x0 contains limit  */
genereraleas:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x2,x3,[sp,-16]!            // save  registers
    ldr x1,qAdrqGraine
    ldr x2,[x1]
    ldr x3,qNbDep1
    mul x2,x3,x2
    ldr x3,qNbDep2
    add x2,x2,x3
    str x2,[x1]                    // maj de la graine pour l appel suivant 
    cmp x0,#0
    beq 100f
    udiv x3,x2,x0
    msub x0,x3,x0,x2               // résult = remainder
 
100:                               // end function
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/*****************************************************/
qAdrqGraine: .quad qGraine
qNbDep1:     .quad 0x0019660d
qNbDep2:     .quad 0x3c6ef35f
 
/******************************************************************/
/*     traitement du signal                                       */ 
/******************************************************************/
sighandler:
    stp x0,lr,[sp,-16]!            // save  registers
    str x1,[sp,-16]! 
    ldr x0,qAdrqEnd
    mov x1,#1                      // maj zone end
    str x1,[x0]
    ldr x1,[sp],16
    ldp x0,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/***************************************************/
/*   display error message                         */
/***************************************************/
/* x0 contains error code  x1 : message address */
displayError:
    stp x2,lr,[sp,-16]!            // save  registers
    mov x2,x0                      // save error code
    mov x0,x1
    bl affichageMess
    mov x0,x2                      // error code
    ldr x1,qAdrsZoneConv
    bl conversion16                // conversion hexa
    ldr x0,qAdrszMessErr           // display error message
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc               // insert result at @ character
    mov x3,x0
    mov x0,x2                      // error code
    ldr x1,qAdrsZoneConv               // result address
    bl conversion10S                // conversion decimale
    mov x0,x3
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc               // insert result at @ character
    bl affichageMess
100:
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
qAdrszMessErr:                 .quad szMessErr
/*********************************/
/* init terminal state            */
/*********************************/
initTerm:
    stp x1,lr,[sp,-16]!            // save  registers
    /* read terminal state */
    mov x0,STDIN                   // input console
    mov x1,TCGETS
    ldr x2,qAdrstOldtio
    mov x8,IOCTL                   // call system Linux
    svc 0 
    cbnz x0,98f                    // error ?
 
    adr x0,sighandler              // adresse routine traitement signal
    ldr x1,qAdrstSigAction         // adresse structure sigaction
    str x0,[x1,sa_handler]         // maj handler
    mov x0,SIGINT                  // signal type
    ldr x1,qAdrstSigAction
    mov x2,0
    mov x3,8
    mov x8,SIGACTION               // call system
    svc 0 
 
    cmp x0,0                       // error ?
    bne 98f
    mov x0,SIGQUIT
    ldr x1,qAdrstSigAction
    mov x2,0                       // NULL
    mov x8,SIGACTION               // call system 
    svc 0 
    cmp x0,0                       // error ?
    bne 98f
    mov x0,SIGTERM
    ldr x1,qAdrstSigAction
    mov x2,0                       // NULL
    mov x8,SIGACTION               // appel systeme 
    svc 0 
    cmp x0,0
    bne 98f
    //
    adr x0,qAdrSIG_IGN             // address signal igonre function
    ldr x1,qAdrstSigAction1
    str x0,[x1,sa_handler]
    mov x0,SIGTTOU                 //invalidate other process signal
    ldr x1,qAdrstSigAction1
    mov x2,0                       // NULL
    mov x8,SIGACTION               // call system 
    svc 0 
    cmp x0,0
    bne 98f
    //
    /* read terminal current state  */
    mov x0,STDIN
    mov x1,TCGETS
    ldr x2,qAdrstCurtio            // address current termio
    mov x8,IOCTL                   // call systeme 
    svc 0 
    cmp x0,0                       // error ?
    bne 98f
    mov x2,ICANON | ECHO           // no key pressed echo on display
    mvn x2,x2                      // and one key 
    ldr x1,qAdrstCurtio
    ldr x3,[x1,#term_c_lflag]
    and x3,x2,x2                   // add flags 
    str x3,[x1,#term_c_lflag]      // and store
    mov x0,STDIN                   // maj terminal current state 
    mov x1,TCSETS
    ldr x2,qAdrstCurtio
    mov x8,IOCTL                   // call system
    svc 0 
    cbz x0,100f
98:                                // error display
    ldr x1,qAdrszMessErrInitTerm
    bl   displayError
    mov x0,-1
100:
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
qAdrstSigAction2:    .quad stSigAction2
qAdrstSigAction3:    .quad stSigAction3
/*********************************/
/* init instance epool            */
/*********************************/
initPoll:
    stp x1,lr,[sp,-16]!            // save  registers
    ldr x0,qAdrstevents
    mov x1,STDIN                   // maj structure events
    str x1,[x0,#poll_fd]           // maj FD
    mov x1,POLLIN                  // action code
    str x1,[x0,#poll_event]
    mov x0,0
    mov x8,CREATPOLL               // create epoll instance
    svc 0
    cmp x0,0                       // error ?
    ble 98f
    mov x10,x0                     // return FD epoll instance
    mov x1,EPOLL_CTL_ADD
    mov x2,STDIN                   // Fd to we want add
    ldr x3,qAdrstevents            // structure events address
    mov x8,CTLPOLL                 // call system control epoll
    svc 0
    cmp x0,0                       // error ?
    blt 98f                       // no
    mov x0,x10                     // return FD epoll instance
    b 100f
98:                                // error display
    ldr x1,qAdrszMessErrInitPoll   // error message
    bl   displayError
    mov x0,-1
100:
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/*********************************/
/* wait key                      */
/*********************************/
/* x0 contains FD poll    */
waitKey:
    stp x1,lr,[sp,-16]!            // save  registers
    ldr x11,qAdrqTouche            // key address
    str xzr,[x11]                  // raz key
1:
    ldr x1,qAdrqEnd                // if signal ctrl-c  -> end
    ldr x1,[x1]
    cbnz x1,100f
 
    ldr x1,qAdrstevents
    mov x2,12                      // size events
    mov x3,1                       // timeout = 1  TODO: ??
    mov x4,0
    mov x8,SYSPOLL                 // call system wait POLL
    svc 0 
    cmp x0,0                       // key pressed ?
    bge 100f
98:                                // error display
    ldr x1,qAdrszMessErreurKey        // error message
    bl   displayError
    mov x0,-1
100:
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/*********************************/
/* read key                      */
/*********************************/
/* x0 returns key value */
readKey:
    stp x1,lr,[sp,-16]!            // save  registers
    mov x0,STDIN                   // File Descriptor
    ldr x1,qAdrqTouche             // buffer address
    mov x2,KEYSIZE                 // key size
    mov x8,READ                    // read key
    svc #0
    cmp x0,0                       // error ?
    ble 98f
    ldr x2,qAdrqTouche             // key address
    ldr x0,[x2]
    b 100f
98:                                // error display
    ldr x1,qAdrszMessErreur        // error message
    bl   displayError
    mov x0,-1
100:
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/*********************************/
/* restaur terminal state        */
/*********************************/
restauTerm:
    stp x1,lr,[sp,-16]!            // save  registers
    mov x0,STDIN                   // end then restaur begin state terminal
    mov x1,TCSETS
    ldr x2,qAdrstOldtio
    mov x8,IOCTL                   // call system  
    svc 0
    cbz x0,100f
    ldr x1,qAdrszMessErreur        // error message
    bl   displayError
100:
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: misc/hello_world.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Hello_world/Text
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

.equ STDOUT, 1
.equ SVC_WRITE, 64
.equ SVC_EXIT, 93
 
.text
.global _start
 
_start:
	stp x29, x30, [sp, -16]!
	mov x0, #STDOUT
	ldr x1, =msg
	mov x2, 13
	mov x8, #SVC_WRITE
	mov x29, sp
	svc #0 // write(stdout, msg, 13);
	ldp x29, x30, [sp], 16
	mov x0, #0
	mov x8, #SVC_EXIT
	svc #0 // exit(0);
 
msg:	.ascii "Hello World!\n"
.align 4


================================================
FILE: misc/josephus_problem.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Josephus_problem
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program josephus_problem.s   */
/* run with josephus_problem maxi intervalle */
/* example : josephus_problem 41 3
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
 
.equ FIRSTNODE,        0              //identification first node 
 
/*******************************************/
/* Structures                               */
/********************************************/
/* structure linkedlist*/
    .struct  0
llist_next:                            // next element
    .struct  llist_next + 8
llist_value:                           // element value
    .struct  llist_value + 8
llist_fin:
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessDebutPgm:          .asciz "Start program.\n"
szMessFinPgm:            .asciz "Program End ok.\n"
szRetourLigne:            .asciz "\n"
szMessValElement:        .asciz "Value : @ \n"
szMessListeVide:         .asciz "List empty.\n"
szMessImpElement:        .asciz "Node display: @ Value : @ Next @ \n"
szMessErrComm:           .asciz "Incomplete Command line  : josephus64 <maxi> <intervalle>\n"
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss  
sZoneConv:         .skip 100
.align 4
qDebutListe1:       .skip llist_fin
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                   // entry of program 
    mov fp,sp                           // copy stack address  register x29 fp
    ldr x0,qAdrszMessDebutPgm
    bl affichageMess
    ldr x0,[fp]                         // parameter number command line
    cmp x0,#2                           // correct ?
    ble erreurCommande                  // error
 
    add x0,fp,#16                       // address parameter 2
    ldr x0,[x0]
    bl conversionAtoD
    add x22,x0,FIRSTNODE                // save maxi
    add x0,fp,#24                       // address parameter 3
    ldr x0,[x0]
    bl conversionAtoD
    mov x21,x0                          // save gap
 
    mov x0,FIRSTNODE                    // create first node
    mov x1,0
    bl createNode
    mov x25,x0                          // first node address
    mov x26,x0
    mov x24,FIRSTNODE + 1
    mov x23,1
1:                                      // loop create others nodes
    mov x0,x24                          // key value
    mov x1,0
    bl createNode
    str x0,[x26,llist_next]             // store current node address in prev node
    mov x26,x0
    add x24,x24,1
    add x23,x23,1
    cmp x23,x22                         // maxi ?
    blt 1b
    str x25,[x26,llist_next]            // store first node address in last pointer
    mov x24,x26
2:
    mov x20,1                           // counter for gap
3:
    ldr x24,[x24,llist_next]
    add x20,x20,1
    cmp x20,x21                         // intervalle ?
    blt 3b
    ldr x25,[x24,llist_next]            // removing the node from the list
    ldr x22,[x25,llist_value]
    ldr x27,[x25,llist_next]            // load pointer next
    str x27,[x24,llist_next]            // ans store in prev node
    //mov x0,x25
    //bl displayNode
    cmp x27,x24
    csel x24,x24,x27,ne                 // next node address 
    bne 2b                              // and loop
 
    mov x0,x24
    bl displayNode                      // display last node
 
    b 100f
erreurCommande:
    ldr x0,qAdrszMessErrComm
    bl affichageMess
    mov x0,#1                          // error code
    b 100f
100:                                   // program end standard 
    ldr x0,qAdrszMessFinPgm
    bl affichageMess
    mov x0,0                          // return code Ok
    mov x8,EXIT                       // system call "Exit"
    svc #0
 
qAdrszMessDebutPgm:      .quad szMessDebutPgm
qAdrszMessFinPgm:        .quad szMessFinPgm
qAdrszRetourLigne:       .quad szRetourLigne
qAdrqDebutListe1:        .quad qDebutListe1
qAdrszMessErrComm:       .quad szMessErrComm
 
/******************************************************************/
/*     create node                                             */ 
/******************************************************************/
/* x0 contains key   */
/* x1 contains zero or address next node */
/* x0 returns address heap node  */
createNode:
    stp x20,lr,[sp,-16]!        // save  registres
    stp x21,x22,[sp,-16]!       // save  registres
    mov x20,x0                  // save key
    mov x21,x1                  // save key
    mov x0,#0                   // allocation place heap
    mov x8,BRK                  // call system 'brk'
    svc #0
    mov x22,x0                  // save address heap for node
    add x0,x0,llist_fin         // reservation place node length
    mov x8,BRK                  // call system 'brk'
    svc #0
    cmp x0,#-1                  // allocation error
    beq 100f
 
    str x20,[x22,llist_value]
    str x21,[x22,llist_next]
    mov x0,x22
100:
    ldp x21,x22,[sp],16         // restaur des  2 registres
    ldp x20,lr,[sp],16          // restaur des  2 registres
    ret                         // retour adresse lr x30
 
/******************************************************************/
/*     display infos node                                     */ 
/******************************************************************/
/* x0 contains node address */
displayNode:
    stp x1,lr,[sp,-16]!        // save  registres
    stp x2,x3,[sp,-16]!        // save  registres
    mov x2,x0
    ldr x1,qAdrsZoneConv
    bl conversion16
    ldr x0,qAdrszMessImpElement
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc
    mov x3,x0
    ldr x0,[x2,llist_value]
    ldr x1,qAdrsZoneConv
    bl conversion10S
    mov x0,x3
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc
    mov x3,x0
    ldr x0,[x2,llist_next]
    ldr x1,qAdrsZoneConv
    bl conversion16
    mov x0,x3
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc
    bl affichageMess
 
100:
    ldp x2,x3,[sp],16          // restaur des  2 registres
    ldp x1,lr,[sp],16          // restaur des  2 registres
    ret                        // retour adresse lr x30
qAdrsZoneConv:               .quad sZoneConv
qAdrszMessImpElement:        .quad szMessImpElement
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: misc/perfect_numbers.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Perfect_numbers
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program perfect_numbers.s   */
/* use Euclide Formula : if M=(2puis p)-1 is prime M * (M+1)/2 is perfect see Wikipedia  */
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeConstantesARM64.inc"
 
.equ MAXI,      63
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
sMessResult:        .asciz "Perfect  : @ \n"
szMessOverflow:     .asciz "Overflow in function isPrime.\n"
szCarriageReturn:   .asciz "\n"
 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss  
sZoneConv:                  .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                               // entry of program 
    mov x4,2                        // start 2
    mov x3,1                        // counter 2 power
1:                                  // begin loop
    lsl x4,x4,1                     // 2 power
    sub x0,x4,1                     // - 1 
    bl isPrime                      // is prime ?
    cbz x0,2f                       // no
    sub x0,x4,1                     // yes
    mul x1,x0,x4                    // multiply m by m-1
    lsr x0,x1,1                     // divide by 2
    bl displayPerfect               // and display
2:
    add x3,x3,1                     // next power of 2
    cmp x3,MAXI
    blt 1b
 
100:                                // standard end of the program 
    mov x0,0                        // return code
    mov x8,EXIT                     // request to exit program
    svc 0                           // perform the system call
qAdrszCarriageReturn:    .quad szCarriageReturn
qAdrsMessResult:         .quad sMessResult
 
/******************************************************************/
/*      Display perfect number                                */ 
/******************************************************************/
/* x0 contains the number */
displayPerfect:
    stp x1,lr,[sp,-16]!             // save  registers
    ldr x1,qAdrsZoneConv
    bl conversion10                 // call décimal conversion
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv            // insert conversion in message
    bl strInsertAtCharInc
    bl affichageMess                // display message
100:
    ldp x1,lr,[sp],16               // restaur  2 registers
    ret                             // return to address lr x30
qAdrsZoneConv:                   .quad sZoneConv
 
/***************************************************/
/*   is a number prime ?         */
/***************************************************/
/* x0 contains the number */
/* x0 return 1 if prime  else 0  */
//2147483647  OK
//4294967297  NOK
//131071       OK
//1000003    OK 
//10001363   OK
isPrime:
    stp x1,lr,[sp,-16]!        // save  registres
    stp x2,x3,[sp,-16]!        // save  registres
    mov x2,x0
    sub x1,x0,#1
    cmp x2,0
    beq 99f                    // return zero
    cmp x2,2                   // for 1 and 2 return 1
    ble 2f
    mov x0,#2
    bl moduloPuR64
    bcs 100f                   // error overflow
    cmp x0,#1
    bne 99f                    // no prime 
    cmp x2,3
    beq 2f
    mov x0,#3
    bl moduloPuR64
    blt 100f                   // error overflow
    cmp x0,#1
    bne 99f
 
    cmp x2,5
    beq 2f
    mov x0,#5
    bl moduloPuR64
    bcs 100f                   // error overflow
    cmp x0,#1
    bne 99f                    // Pas premier
 
    cmp x2,7
    beq 2f
    mov x0,#7
    bl moduloPuR64
    bcs 100f                   // error overflow
    cmp x0,#1
    bne 99f                    // Pas premier
 
    cmp x2,11
    beq 2f
    mov x0,#11
    bl moduloPuR64
    bcs 100f                   // error overflow
    cmp x0,#1
    bne 99f                    // Pas premier
 
    cmp x2,13
    beq 2f
    mov x0,#13
    bl moduloPuR64
    bcs 100f                   // error overflow
    cmp x0,#1
    bne 99f                    // Pas premier
2:
    cmn x0,0                   // carry à zero no error
    mov x0,1                   // prime
    b 100f
99:
    cmn x0,0                   // carry à zero no error
    mov x0,#0                  // prime
100:
    ldp x2,x3,[sp],16          // restaur des  2 registres
    ldp x1,lr,[sp],16          // restaur des  2 registres
    ret
 
 
/**************************************************************/
/********************************************************/
/*   Compute modulo de b power e modulo m  */
/*    Exemple 4 puissance 13 modulo 497 = 445         */
/********************************************************/
/* x0  number  */
/* x1 exposant */
/* x2 modulo   */
moduloPuR64:
    stp x1,lr,[sp,-16]!        // save  registres
    stp x3,x4,[sp,-16]!        // save  registres
    stp x5,x6,[sp,-16]!        // save  registres
    stp x7,x8,[sp,-16]!        // save  registres
    stp x9,x10,[sp,-16]!       // save  registres
    cbz x0,100f
    cbz x1,100f
    mov x8,x0
    mov x7,x1
    mov x6,1                   // result
    udiv x4,x8,x2
    msub x9,x4,x2,x8           // remainder
1:
    tst x7,1                   // if bit = 1
    beq 2f
    mul x4,x9,x6
    umulh x5,x9,x6
    mov x6,x4
    mov x0,x6
    mov x1,x5
    bl divisionReg128U         // division 128 bits
    cbnz x1,99f                // overflow
    mov x6,x3                  // remainder
2:
    mul x8,x9,x9
    umulh x5,x9,x9
    mov x0,x8
    mov x1,x5
    bl divisionReg128U
    cbnz x1,99f                // overflow
    mov x9,x3
    lsr x7,x7,1
    cbnz x7,1b
    mov x0,x6                  // result
    cmn x0,0                   // carry à zero no error
    b 100f
99:
    ldr x0,qAdrszMessOverflow
    bl  affichageMess          // display error message
    cmp x0,0                   // carry set error
    mov x0,-1                  // code erreur
 
100:
    ldp x9,x10,[sp],16          // restaur des  2 registres
    ldp x7,x8,[sp],16          // restaur des  2 registres
    ldp x5,x6,[sp],16          // restaur des  2 registres
    ldp x3,x4,[sp],16          // restaur des  2 registres
    ldp x1,lr,[sp],16          // restaur des  2 registres
    ret                        // retour adresse lr x30
qAdrszMessOverflow:         .quad  szMessOverflow
/***************************************************/
/*   division d un nombre de 128 bits par un nombre de 64 bits */
/***************************************************/
/* x0 contient partie basse dividende */
/* x1 contient partie haute dividente */
/* x2 contient le diviseur */
/* x0 retourne partie basse quotient */
/* x1 retourne partie haute quotient */
/* x3 retourne le reste */
divisionReg128U:
    stp x6,lr,[sp,-16]!        // save  registres
    stp x4,x5,[sp,-16]!        // save  registres
    mov x5,#0                  // raz du reste R
    mov x3,#128                // compteur de boucle
    mov x4,#0                  // dernier bit
1:    
    lsl x5,x5,#1               // on decale le reste de 1
    tst x1,1<<63               // test du bit le plus à gauche
    lsl x1,x1,#1               // on decale la partie haute du quotient de 1
    beq 2f
    orr  x5,x5,#1              // et on le pousse dans le reste R
2:
    tst x0,1<<63
    lsl x0,x0,#1               // puis on decale la partie basse 
    beq 3f
    orr x1,x1,#1               // et on pousse le bit de gauche dans la partie haute
3:
    orr x0,x0,x4               // position du dernier bit du quotient
    mov x4,#0                  // raz du bit
    cmp x5,x2
    blt 4f
    sub x5,x5,x2               // on enleve le diviseur du reste
    mov x4,#1                  // dernier bit à 1
4:
                               // et boucle
    subs x3,x3,#1
    bgt 1b    
    lsl x1,x1,#1               // on decale le quotient de 1
    tst x0,1<<63
    lsl x0,x0,#1               // puis on decale la partie basse 
    beq 5f
    orr x1,x1,#1
5:
    orr x0,x0,x4               // position du dernier bit du quotient
    mov x3,x5
100:
    ldp x4,x5,[sp],16          // restaur des  2 registres
    ldp x6,lr,[sp],16          // restaur des  2 registres
    ret                        // retour adresse lr x30
 
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: misc/sha1.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/SHA-1
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program sha1.s   */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
 
.equ SHA_DIGEST_LENGTH, 20
 
//.include "../../ficmacros64.s"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessRosetta:         .asciz "Rosetta Code"
szMessTest1:           .asciz "abc" 
szMessSup64:           .ascii "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
                       .ascii "abcdefghijklmnopqrstuvwxyz"
                       .asciz "1234567890AZERTYUIOP"
szMessTest2:           .asciz "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
szMessFinPgm:          .asciz "Program End ok.\n"
szMessResult:          .asciz "Rosetta Code => "
szCarriageReturn:      .asciz "\n"
 
/* array constantes Hi */
tbConstHi:           .int 0x67452301       // H0
                     .int 0xEFCDAB89       // H1
                     .int 0x98BADCFE       // H2
                     .int 0x10325476       // H3
                     .int 0xC3D2E1F0       // H4
/* array constantes Kt */
tbConstKt:           .int 0x5A827999
                     .int 0x6ED9EBA1
                     .int 0x8F1BBCDC
                     .int 0xCA62C1D6
 
 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
.align 4
iNbBlocs:                    .skip 8
sZoneConv:                   .skip 24
sZoneResult:                 .skip 24
sZoneTrav:                   .skip 1000
tbH:                         .skip 4 * 5         // 5 variables H
tbW:                         .skip 4 * 80        // 80 words W
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                      // entry of program 
 
    ldr x0,qAdrszMessRosetta
    //ldr x0,qAdrszMessTest1
    //ldr x0,qAdrszMessTest2
    //ldr x0,qAdrszMessSup64
    bl computeSHA1                         // call routine SHA1
 
    ldr x0,qAdrszMessResult
    bl affichageMess                       // display message
 
    ldr x0, qAdrsZoneResult
    bl displaySHA1
 
    ldr x0,qAdrszMessFinPgm
    bl affichageMess                       // display message
 
 
100:                                       // standard end of the program 
    mov x0,0                               // return code
    mov x8,EXIT                            // request to exit program
    svc 0                                  // perform the system call
 
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrszMessResult:         .quad szMessResult
qAdrszMessRosetta:        .quad szMessRosetta
qAdrszMessTest1:          .quad szMessTest1
qAdrszMessTest2:          .quad szMessTest2
qAdrsZoneTrav:            .quad sZoneTrav
qAdrsZoneConv:            .quad sZoneConv
qAdrszMessFinPgm:         .quad szMessFinPgm
qAdrszMessSup64:          .quad szMessSup64
/******************************************************************/
/*     compute SHA1                         */ 
/******************************************************************/
/* x0 contains the address of the message */
computeSHA1:
    stp x1,lr,[sp,-16]!       // save  registers
    ldr x1,qAdrsZoneTrav
    mov x2,#0                // counter length 
debCopy:                     // copy string in work area
    ldrb w3,[x0,x2]
    strb w3,[x1,x2]
    cmp x3,#0
    add x4,x2,1
    csel x2,x4,x2,ne
    bne debCopy
    lsl x6,x2,#3             // initial message length in bits 
    mov x3,#0b10000000       // add bit 1 at end of string
    strb w3,[x1,x2]
    add x2,x2,#1             // length in bytes
    lsl x4,x2,#3             // length in bits
    mov x3,#0
addZeroes:
    lsr x5,x2,#6
    lsl x5,x5,#6
    sub x5,x2,x5
    cmp x5,#56
    beq storeLength          // yes -> end add
    strb w3,[x1,x2]          // add zero at message end
    add x2,x2,#1                // increment lenght bytes 
    add x4,x4,#8                // increment length in bits
    b addZeroes
storeLength:
    add x2,x2,#4                // add four bytes
    rev w6,w6                // inversion bits initials message length
    str w6,[x1,x2]           // and store at end
 
    ldr x7,qAdrtbConstHi     // constantes H address
    ldr x4,qAdrtbH           // start area H
    mov x5,#0
loopConst:                   // init array H with start constantes
    ldr w6,[x7,x5,lsl #2]    // load constante
    str w6,[x4,x5,lsl #2]    // and store
    add x5,x5,#1
    cmp x5,#5
    blt loopConst
                             // split into block of 64 bytes
    add x2,x2,#4                //  TODO : à revoir
    lsr x4,x2,#6             // blocks number
    ldr x0,qAdriNbBlocs
    str x4,[x0]              // save block maxi
    mov x7,#0                // n° de block et x1 contient l'adresse zone de travail
loopBlock:                   // begin loop of each block of 64 bytes
    mov x0,x7
    bl inversion             // inversion each word because little indian
    ldr x3,qAdrtbW           // working area W address
    mov x6,#0                // indice t
                             /* x2  address begin each block */
    ldr x1,qAdrsZoneTrav
    add x2,x1,x7,lsl #6      //  compute block begin  indice * 4 * 16
 
loopPrep:                    // loop for expand 80 words
    cmp x6,#15               // 
    bgt expand1
    ldr w0,[x2,x6,lsl #2]    // load four byte message
    str w0,[x3,x6,lsl #2]    // store in first 16 block 
    b expandEnd
expand1:
    sub x8,x6,#3
    ldr w9,[x3,x8,lsl #2]
    sub x8,x6,#8
    ldr w10,[x3,x8,lsl #2]
    eor x9,x9,x10
    sub x8,x6,#14
    ldr w10,[x3,x8,lsl #2]
    eor x9,x9,x10
    sub x8,x6,#16
    ldr w10,[x3,x8,lsl #2]
    eor x9,x9,x10
    ror w9,w9,#31
 
    str w9,[x3,x6,lsl #2] 
expandEnd:
    add x6,x6,#1
    cmp x6,#80                 // 80 words ?
    blt loopPrep               // and loop
    /* COMPUTING THE MESSAGE DIGEST */
    /* x1  area H constantes address */
    /* x3  working area W address  */
    /* x5  address constantes K   */
    /* x6  counter t */
    /* x7  block counter */
    /* x8  a, x9 b, x10 c, x11 d, x12 e */
 
                               // init variable a b c d e
    ldr x0,qAdrtbH
    ldr w8,[x0]
    ldr w9,[x0,#4]
    ldr w10,[x0,#8]
    ldr w11,[x0,#12]
    ldr w12,[x0,#16]
 
    ldr x1,qAdrtbConstHi
    ldr x5,qAdrtbConstKt
    mov x6,#0
loop80T:                       // begin loop 80 t
    cmp x6,#19
    bgt T2
    ldr w0,[x5]                // load constantes k0
    and x2,x9,x10              // b and c
    mvn w4,w9                  // not b
    and x4,x4,x11              // and d
    orr x2,x2,x4
    b T_fin
T2:
    cmp x6,#39             
    bgt T3
    ldr w0,[x5,#4]             // load constantes k1
    eor x2,x9,x10
    eor x2,x2,x11
    b T_fin
T3:
    cmp x6,#59             
    bgt T4
    ldr w0,[x5,#8]             // load constantes k2
    and x2,x9,x10
    and x4,x9,x11
    orr x2,x2,x4
    and x4,x10,x11
    orr x2,x2,x4
    b T_fin
T4:
    ldr w0,[x5,#12]            // load constantes k3
    eor x2,x9,x10
    eor x2,x2,x11
    b T_fin
T_fin:
    ror w4,w8,#27            // left rotate a to 5
    add w2,w2,w4
    //affregtit Tfin 0
    //affregtit Tfin 8
    add w2,w2,w12
    ldr w4,[x3,x6,lsl #2]    // Wt
    add w2,w2,w4
    add w2,w2,w0                // Kt
    mov x12,x11              // e = d
    mov x11,x10              // d = c
    ror w10,w9,#2            // c
    mov x9,x8                // b = a
    mov x8,x2                // nouveau a
 
    add x6,x6,#1             // increment t
    cmp x6,#80
    blt loop80T
                             // other bloc
    add x7,x7,1                // increment block
    ldr x0,qAdriNbBlocs
    ldr w4,[x0]              // restaur maxi block
    cmp x7,x4                // maxi ?
    bge End
                             // End block
    ldr x0,qAdrtbH           // start area H
    ldr w3,[x0]
    add w3,w3,w8
    str w3,[x0]              // store a in H0
    ldr w3,[x0,#4]
    add w3,w3,w9
    str w3,[x0,#4]           // store b in H1
    ldr w3,[x0,#8]
    add w3,w3,w10
    str w3,[x0,#8]           // store c in H2
    ldr w3,[x0,#12]
    add w3,w3,w11
    str w3,[x0,#12]          // store d in H3
    ldr w3,[x0,#16]
    add w3,w3,w12
    str w3,[x0,#16]          // store e in H4
    b loopBlock              //  loop
 
End:
                             // compute final result
    ldr x0,qAdrtbH           // start area H
    ldr x2,qAdrsZoneResult
    ldr w1,[x0]
    add x1,x1,x8
    rev w1,w1
    str w1,[x2]
    ldr w1,[x0,#4]
    add x1,x1,x9
    rev w1,w1
    str w1,[x2,#4]
    ldr w1,[x0,#8]
    add x1,x1,x10
    rev w1,w1
    str w1,[x2,#8]
    ldr w1,[x0,#12]
    add x1,x1,x11
    rev w1,w1
    str w1,[x2,#12]
    ldr w1,[x0,#16]
    add x1,x1,x12
    rev w1,w1
    str w1,[x2,#16]
    mov x0,#0                    // routine OK
100:
 
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
qAdrtbConstHi:            .quad tbConstHi
qAdrtbConstKt:            .quad tbConstKt
qAdrtbH:                  .quad tbH
qAdrtbW:                  .quad tbW
qAdrsZoneResult:          .quad sZoneResult
qAdriNbBlocs:             .quad iNbBlocs
/******************************************************************/
/*     inversion des mots de 32 bits d'un bloc                    */ 
/******************************************************************/
/* x0 contains N° block   */
inversion:
    stp x1,lr,[sp,-16]!          // save  registers
    stp x2,x3,[sp,-16]!          // save  registers
    ldr x1,qAdrsZoneTrav
    add x1,x1,x0,lsl 6           // debut du bloc
    mov x2,#0
1:                               // start loop
    ldr w3,[x1,x2,lsl #2]
    rev w3,w3
    str w3,[x1,x2,lsl #2]
    add x2,x2,#1
    cmp x2,#16
    blt 1b
100:
    ldp x2,x3,[sp],16            // restaur  2 registers
    ldp x1,lr,[sp],16            // restaur  2 registers
    ret                          // return to address lr x30
/******************************************************************/
/*     display hash  SHA1                         */ 
/******************************************************************/
/* x0 contains the address of hash  */
displaySHA1:
    stp x1,lr,[sp,-16]!       // save  registers
    stp x2,x3,[sp,-16]!       // save  registers
    mov x3,x0
    mov x2,#0
1:
    ldr w0,[x3,x2,lsl #2]          // load 4 bytes
    rev w0,w0                      // reverse bytes
    ldr x1,qAdrsZoneConv
    bl conversion16_4W                // conversion hexa
    ldr x0,qAdrsZoneConv
    bl affichageMess
    add x2,x2,#1
    cmp x2,#SHA_DIGEST_LENGTH / 4
    blt 1b                         // and loop
    ldr x0,qAdrszCarriageReturn
    bl affichageMess               // display message
100:
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*     conversion  hexadecimal register 32 bits                   */ 
/******************************************************************/
/* x0 contains value and x1 address zone receptrice   */
conversion16_4W:
    stp x0,lr,[sp,-48]!        // save  registres
    stp x1,x2,[sp,32]          // save  registres
    stp x3,x4,[sp,16]          // save  registres
    mov x2,#28                 // start bit position
    mov x4,#0xF0000000         // mask
    mov x3,x0                  // save entry value
1:                             // start loop
    and x0,x3,x4               // value register and mask
    lsr x0,x0,x2               // right shift
    cmp x0,#10                 // >= 10 ?
    bge 2f                     // yes
    add x0,x0,#48              // no is digit
    b 3f
2:
    add x0,x0,#55              // else is a letter A-F
3:
    strb w0,[x1],#1            // load result  and + 1 in address
    lsr x4,x4,#4               // shift mask 4 bits left
    subs x2,x2,#4              // decrement counter 4 bits <= zero  ?
    bge 1b                     // no -> loop
 
100:                           // fin standard de la fonction
    ldp x3,x4,[sp,16]          // restaur des  2 registres
    ldp x1,x2,[sp,32]          // restaur des  2 registres
    ldp x0,lr,[sp],48          // restaur des  2 registres
    ret    
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: misc/sha256.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/SHA-256
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program sha256.s   */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
 
.equ LGHASH, 32                  // result length 
 
/*******************************************/
/* Structures                               */
/********************************************/
/* example structure  variables  */
    .struct  0
var_a:                     // a
    .struct  var_a + 4
var_b:                     // b
    .struct  var_b + 4
var_c:                     // c
    .struct  var_c + 4
var_d:                     // d
    .struct  var_d + 4
var_e:                     // e
    .struct  var_e + 4
var_f:                     // f
    .struct  var_f + 4
var_g:                     // g
    .struct  var_g + 4
var_h:                     // h
    .struct  var_h + 4
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessRosetta:        .asciz "Rosetta code"
szMessTest1:           .asciz "abc" 
szMessSup64:           .ascii "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
                       .ascii "abcdefghijklmnopqrstuvwxyz"
                       .asciz "1234567890AZERTYUIOP"
szMessTest2:           .asciz "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
szMessFinPgm:          .asciz "Program End ok.\n"
szMessResult:          .asciz "Rosetta code => "
szCarriageReturn:   .asciz "\n"
 
/* array constantes Hi */
tbConstHi:           .int 0x6A09E667       // H0
                     .int 0xBB67AE85       // H1
                     .int 0x3C6EF372       // H2
                     .int 0xA54FF53A       // H3
                     .int 0x510E527F       // H4
                     .int 0x9B05688C       // H5
                     .int 0x1F83D9AB       // H6
                     .int 0x5BE0CD19       // H7
/* array  64 constantes Kt */
tbConstKt:
  .int 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5
  .int 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174
  .int 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da
  .int 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967
  .int 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85
  .int 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070
  .int 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3
  .int 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
.align 4
qNbBlocs:                    .skip 8
sZoneConv:                   .skip 24
sZoneTrav:                   .skip 1000
.align 8
tbH:                         .skip 4 * 8         // 8 variables H
tbabcdefgh:                  .skip 4 * 8
tbW:                         .skip 4 * 64        // 64 words W
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                      // entry of program 
 
    ldr x0,qAdrszMessRosetta
    //ldr x0,qAdrszMessTest1
    //ldr x0,qAdrszMessTest2
    //ldr x0,qAdrszMessSup64
    bl computeSHA256                       // call routine SHA1
 
    ldr x0,qAdrszMessResult
    bl affichageMess                       // display message
 
    ldr x0, qAdrtbH
    bl displaySHA1
 
    ldr x0,qAdrszMessFinPgm
    bl affichageMess                       // display message
 
 
100:                                       // standard end of the program 
    mov x0,0                               // return code
    mov x8,EXIT                            // request to exit program
    svc 0                                  // perform the system call
 
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrszMessResult:         .quad szMessResult
qAdrszMessRosetta:        .quad szMessRosetta
qAdrszMessTest1:          .quad szMessTest1
qAdrszMessTest2:          .quad szMessTest2
qAdrsZoneTrav:            .quad sZoneTrav
qAdrsZoneConv:            .quad sZoneConv
qAdrszMessFinPgm:         .quad szMessFinPgm
qAdrszMessSup64:          .quad szMessSup64
/******************************************************************/
/*     compute SHA1                         */ 
/******************************************************************/
/* x0 contains the address of the message */
computeSHA256:
    stp x1,lr,[sp,-16]!      // save  registers
    ldr x1,qAdrsZoneTrav
    mov x2,#0                // counter length 
debCopy:                     // copy string in work area
    ldrb w3,[x0,x2]
    strb w3,[x1,x2]
    cmp x3,#0
    add x4,x2,1
    csel x2,x4,x2,ne
    bne debCopy
    lsl x6,x2,#3             // initial message length in bits 
    mov x3,#0b10000000       // add bit 1 at end of string
    strb w3,[x1,x2]
    add x2,x2,#1             // length in bytes
    lsl x4,x2,#3             // length in bits
    mov x3,#0
addZeroes:
    lsr x5,x2,#6
    lsl x5,x5,#6
    sub x5,x2,x5
    cmp x5,#56
    beq storeLength          // yes -> end add
    strb w3,[x1,x2]          // add zero at message end
    add x2,x2,#1              // increment lenght bytes 
    add x4,x4,#8             // increment length in bits
    b addZeroes
storeLength:
    add x2,x2,#4             // add four bytes
    rev w6,w6                // inversion bits initials message length
    str w6,[x1,x2]           // and store at end
 
    ldr x7,qAdrtbConstHi     // constantes H address
    ldr x4,qAdrtbH           // start area H
    mov x5,#0
loopConst:                   // init array H with start constantes
    ldr w6,[x7,x5,lsl #2]    // load constante
    str w6,[x4,x5,lsl #2]    // and store
    add x5,x5,#1
    cmp x5,#8
    blt loopConst
                             // split into block of 64 bytes
    add x2,x2,#4                // 
    lsr x4,x2,#6             // blocks number
    ldr x0,qAdrqNbBlocs
    str x4,[x0]              // save block maxi
    mov x7,#0                // n° de block et x1 contient l adresse zone de travail
loopBlock:                   // begin loop of each block of 64 bytes
    mov x0,x7
    bl inversion             // inversion each word because little indian
    ldr x3,qAdrtbW           // working area W address
    mov x6,#0                // indice t
                             /* x2  address begin each block */
    ldr x1,qAdrsZoneTrav
    add x2,x1,x7,lsl #6      //  compute block begin  indice * 4 * 16
    //vidregtit avantloop
    //mov x0,x2
    //vidmemtit  verifBloc x0 10
loopPrep:                    // loop for expand 80 words
    cmp x6,#15               // 
    bgt expand1
    ldr w0,[x2,x6,lsl #2]    // load word message
    str w0,[x3,x6,lsl #2]    // store in first 16 block 
    b expandEnd
 
expand1:
    sub x8,x6,#2
    ldr w9,[x3,x8,lsl #2]
    ror w10,w9,#17           // fonction e1 (256)
    ror w11,w9,#19
    eor w10,w10,w11
    lsr w11,w9,#10
    eor w10,w10,w11
    sub x8,x6,#7
    ldr w9,[x3,x8,lsl #2]
    add w9,w9,w10            // + w - 7
    sub x8,x6,#15
    ldr w10,[x3,x8,lsl #2]
    ror w11,w10,#7          // fonction e0 (256)
    ror w12,w10,#18
    eor w11,w11,w12
    lsr w12,w10,#3
    eor w10,w11,w12
    add w9,w9,w10
    sub x8,x6,#16
    ldr w11,[x3,x8,lsl #2]
    add w9,w9,w11
 
    str w9,[x3,x6,lsl #2] 
expandEnd:
    add x6,x6,#1
    cmp x6,#64                 // 64 words ?
    blt loopPrep               // and loop
 
 
    /* COMPUTING THE MESSAGE DIGEST */
    /* x1  area H constantes address */
    /* x3  working area W address  */
    /* x5  address constantes K   */
    /* x6  counter t */
    /* x7  block counter */
    /* x8  addresse variables a b c d e f g h  */
    //ldr x0,qAdrtbW
    //vidmemtit  verifW80 x0 20
                               // init variable a b c d e f g h
    ldr x0,qAdrtbH
    ldr x8,qAdrtbabcdefgh
    mov x1,#0
loopInita:
    ldr w9,[x0,x1,lsl #2]
    str w9,[x8,x1,lsl #2]
    add x1,x1,#1
    cmp x1,#8
    blt loopInita
 
 
    ldr x1,qAdrtbConstHi
    ldr x5,qAdrtbConstKt
    mov x6,#0
loop64T:                      // begin loop 64 t
    ldr w9,[x8,#var_h]
    ldr w10,[x8,#var_e]       // calcul T1
    ror w11,w10,#6            // fonction sigma 1
    ror w12,w10,#11
    eor w11,w11,w12
    ror w12,w10,#25
    eor w11,w11,w12
    add w9,w9,w11             // h + sigma1 (e)
    ldr w0,[x8,#var_f]        //  fonction ch  x and y xor (non x and z)
    ldr w4,[x8,#var_g]
    and w11,w10,w0
    mvn w12,w10
    and w12,w12,w4
    eor w11,w11,w12
    add w9,w9,w11             // h + sigma1 (e) + ch (e,f,g)
    ldr w0,[x5,x6,lsl #2]     // load constantes k0
    add w9,w9,w0
    ldr w0,[x3,x6,lsl #2]     // Wt
    add w9,w9,w0
                              // calcul T2
    ldr w10,[x8,#var_a]       // fonction sigma 0
    ror w11,w10,#2
    ror w12,w10,#13
    eor w11,w11,w12
    ror w12,w10,#22
    eor w11,w11,w12
    ldr w2,[x8,#var_b]
    ldr w4,[x8,#var_c]
                              // fonction maj x and y xor x and z xor y and z
    and w12,w10,w2
    and w0,w10,w4
    eor w12,w12,w0
    and w0,w2,w4
    eor w12,w12,w0            //
    add w12,w12,w11           // T2
                              // compute variables
    ldr w4,[x8,#var_g]
    str w4,[x8,#var_h]
    ldr w4,[x8,#var_f]
    str w4,[x8,#var_g]
    ldr w4,[x8,#var_e]
    str w4,[x8,#var_f]
    ldr w4,[x8,#var_d]
    add w4,w4,w9              // add T1
    str w4,[x8,#var_e]
    ldr w4,[x8,#var_c]
    str w4,[x8,#var_d]
    ldr w4,[x8,#var_b]
    str w4,[x8,#var_c]
    ldr w4,[x8,#var_a]
    str w4,[x8,#var_b]
    add w4,w9,w12             // add T1 T2
    str w4,[x8,#var_a]
 
    add x6,x6,#1              // increment t
    cmp x6,#64
    blt loop64T
                              // End block
    ldr x0,qAdrtbH            // start area H
    mov x10,#0
loopStoreH:
    ldr w9,[x8,x10,lsl #2]
    ldr w3,[x0,x10,lsl #2]
    add w3,w3,w9
    str w3,[x0,x10,lsl #2]    // store variables in H0
    add x10,x10,#1
    cmp x10,#8
    blt loopStoreH
                              // other bloc
    add x7,x7,#1                 // increment block
    ldr x0,qAdrqNbBlocs
    ldr x4,[x0]               // restaur maxi block
    cmp x7,x4                 // maxi ?
 
    blt loopBlock             //  loop other block
 
    mov x0,#0                 // routine OK
100:
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
qAdrtbConstHi:            .quad tbConstHi
qAdrtbConstKt:            .quad tbConstKt
qAdrtbH:                  .quad tbH
qAdrtbW:                  .quad tbW
qAdrtbabcdefgh:           .quad tbabcdefgh
qAdrqNbBlocs:             .quad qNbBlocs
/******************************************************************/
/*     inversion des mots de 32 bits d un bloc                    */ 
/******************************************************************/
/* x0 contains N° block   */
inversion:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x2,x3,[sp,-16]!            // save  registers
    ldr x1,qAdrsZoneTrav
    add x1,x1,x0,lsl #6           // debut du bloc
    mov x2,#0
1:                                                  // start loop
    ldr w3,[x1,x2,lsl #2]
    rev w3,w3
    str w3,[x1,x2,lsl #2]
    add x2,x2,#1
    cmp x2,#16
    blt 1b
100:
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*     display hash  SHA1                         */ 
/******************************************************************/
/* x0 contains the address of hash  */
displaySHA1:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x2,x3,[sp,-16]!            // save  registers
    mov x3,x0
    mov x2,#0
1:
    ldr w0,[x3,x2,lsl #2]          // load 4 bytes
    //rev x0,x0                    // reverse bytes
    ldr x1,qAdrsZoneConv
    bl conversion16_4W             // conversion hexa
    ldr x0,qAdrsZoneConv
    bl affichageMess
    add x2,x2,#1
    cmp x2,#LGHASH / 4
    blt 1b                         // and loop
    ldr x0,qAdrszCarriageReturn
    bl affichageMess               // display message
100:
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*     conversion  hexadecimal register 32 bits                   */ 
/******************************************************************/
/* x0 contains value and x1 address zone receptrice   */
conversion16_4W:
    stp x0,lr,[sp,-48]!        // save  registres
    stp x1,x2,[sp,32]          // save  registres
    stp x3,x4,[sp,16]          // save  registres
    mov x2,#28                 // start bit position
    mov x4,#0xF0000000         // mask
    mov x3,x0                  // save entry value
1:                             // start loop
    and x0,x3,x4               // value register and mask
    lsr x0,x0,x2               // right shift
    cmp x0,#10                 // >= 10 ?
    bge 2f                     // yes
    add x0,x0,#48              // no is digit
    b 3f
2:
    add x0,x0,#55              // else is a letter A-F
3:
    strb w0,[x1],#1            // load result  and + 1 in address
    lsr x4,x4,#4               // shift mask 4 bits left
    subs x2,x2,#4              // decrement counter 4 bits <= zero  ?
    bge 1b                     // no -> loop
 
100:                           // fin standard de la fonction
    ldp x3,x4,[sp,16]          // restaur des  2 registres
    ldp x1,x2,[sp,32]          // restaur des  2 registres
    ldp x0,lr,[sp],48          // restaur des  2 registres
    ret    
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: misc/y_combinator.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Y_combinator
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program y_combinator.s   */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
 
/*******************************************/
/* Structures                               */
/********************************************/
/* structure function*/
    .struct  0
func_fn:                    // next element
    .struct  func_fn + 8 
func_f_:                    // next element
    .struct  func_f_ + 8 
func_num:
    .struct  func_num + 8 
func_fin:
 
/* Initialized data */
.data
szMessStartPgm:            .asciz "Program start \n"
szMessEndPgm:              .asciz "Program normal end.\n"
szMessError:               .asciz "\033[31mError Allocation !!!\n"
 
szFactorielle:             .asciz "Function factorielle : \n"
szFibonacci:               .asciz "Function Fibonacci : \n"
szCarriageReturn:          .asciz "\n"
 
/* datas message display */
szMessResult:            .ascii "Result value : @ \n"
 
/* UnInitialized data */
.bss 
sZoneConv:                .skip 100
/*  code section */
.text
.global main 
main:                                           // program start
    ldr x0,qAdrszMessStartPgm                   // display start message
    bl affichageMess
    adr x0,facFunc                              // function factorielle address
    bl YFunc                                    // create Ycombinator
    mov x19,x0                                   // save Ycombinator
    ldr x0,qAdrszFactorielle                    // display message
    bl affichageMess
    mov x20,#1                                   // loop counter
1:  // start loop
    mov x0,x20
    bl numFunc                                  // create number structure
    cmp x0,#-1                                  // allocation error ?
    beq 99f
    mov x1,x0                                   // structure number address
    mov x0,x19                                  // Ycombinator address
    bl callFunc                                 // call 
    ldr x0,[x0,#func_num]                       // load result
    ldr x1,qAdrsZoneConv                        // and convert ascii string
    bl conversion10S                            // decimal conversion
    ldr x0,qAdrszMessResult
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc                       // insert result at @ character
    bl affichageMess                            // display message final
 
    add x20,x20,#1                              // increment loop counter
    cmp x20,#10                                 // end ?
    ble 1b                                      // no -> loop
/*********Fibonacci  *************/
    adr x0,fibFunc                              // function fibonacci address
    bl YFunc                                    // create Ycombinator
    mov x19,x0                                  // save Ycombinator
    ldr x0,qAdrszFibonacci                      // display message
    bl affichageMess
    mov x20,#1                                  // loop counter
2:  // start loop
    mov x0,x20
    bl numFunc                                  // create number structure
    cmp x0,#-1                                  // allocation error ?
    beq 99f
    mov x1,x0                                   // structure number address
    mov x0,x19                                   // Ycombinator address
    bl callFunc                                 // call 
    ldr x0,[x0,#func_num]                       // load result
    ldr x1,qAdrsZoneConv                        // and convert ascii string
    bl conversion10S
    ldr x0,qAdrszMessResult
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc                       // insert result at @ character
    bl affichageMess
    add x20,x20,#1                                   // increment loop counter
    cmp x20,#10                                  // end ?
    ble 2b                                      // no -> loop
    ldr x0,qAdrszMessEndPgm                     // display end message
    bl affichageMess
    b 100f
99:                                             // display error message 
    ldr x0,qAdrszMessError
    bl affichageMess
100:                                            // standard end of the program
    mov x0,0                                    // return code
    mov x8,EXIT                                 // request to exit program
    svc 0                                       // perform system call
qAdrszMessStartPgm:        .quad szMessStartPgm
qAdrszMessEndPgm:          .quad szMessEndPgm
qAdrszFactorielle:         .quad szFactorielle
qAdrszFibonacci:           .quad szFibonacci
qAdrszMessError:           .quad szMessError
qAdrszCarriageReturn:      .quad szCarriageReturn
qAdrszMessResult:          .quad szMessResult
qAdrsZoneConv:             .quad sZoneConv
/******************************************************************/
/*     factorielle function                         */ 
/******************************************************************/
/* x0 contains the Y combinator address  */
/* x1 contains the number structure  */
facFunc:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x2,x3,[sp,-16]!            // save  registers
    mov x2,x0                   // save Y combinator address
    ldr x0,[x1,#func_num]       // load number
    cmp x0,#1                   // > 1 ?
    bgt 1f                      // yes
    mov x0,#1                   // create structure number value 1
    bl numFunc
    b 100f
1:
    mov x3,x0                   // save number
    sub x0,x0,#1                   // decrement number
    bl numFunc                  // and create new structure number
    cmp x0,#-1                  // allocation error ?
    beq 100f
    mov x1,x0                   // new structure number -> param 1
    ldr x0,[x2,#func_f_]        // load function address to execute
    bl callFunc                 // call
    ldr x1,[x0,#func_num]       // load new result
    mul x0,x1,x3                // and multiply by precedent
    bl numFunc                  // and create new structure number
                                // and return her address in x0
100:
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*     fibonacci function                         */ 
/******************************************************************/
/* x0 contains the Y combinator address  */
/* x1 contains the number structure  */
fibFunc:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x2,x3,[sp,-16]!            // save  registers
    stp x4,x5,[sp,-16]!            // save  registers
    mov x2,x0                   // save Y combinator address
    ldr x0,[x1,#func_num]       // load number
    cmp x0,#1                   // > 1 ?
    bgt 1f                      // yes
    mov x0,#1                   // create structure number value 1
    bl numFunc
    b 100f
1:
    mov x3,x0                   // save number
    sub x0,x0,#1                // decrement number
    bl numFunc                  // and create new structure number
    cmp x0,#-1                  // allocation error ?
    beq 100f
    mov x1,x0                   // new structure number -> param 1
    ldr x0,[x2,#func_f_]        // load function address to execute
    bl callFunc                 // call
    ldr x4,[x0,#func_num]       // load new result
    sub x0,x3,#2                // new number - 2
    bl numFunc                  // and create new structure number
    cmp x0,#-1                  // allocation error ?
    beq 100f
    mov x1,x0                   // new structure number -> param 1
    ldr x0,[x2,#func_f_]        // load function address to execute
    bl callFunc                 // call
    ldr x1,[x0,#func_num]       // load new result
    add x0,x1,x4                // add two results
    bl numFunc                  // and create new structure number
                                // and return her address in x0
100:
    ldp x4,x5,[sp],16              // restaur  2 registers
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*     call function                         */ 
/******************************************************************/
/* x0 contains the address of the function  */
/* x1 contains the address of the function 1 */
callFunc:
    stp x2,lr,[sp,-16]!            // save  registers
    ldr x2,[x0,#func_fn]           // load function address to execute
    blr x2                         // and call it
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*     create Y combinator function                         */ 
/******************************************************************/
/* x0 contains the address of the function  */
YFunc:
    stp x1,lr,[sp,-16]!            // save  registers
    mov x1,#0
    bl newFunc
    cmp x0,#-1                     // allocation error ?
    beq 100f
    str x0,[x0,#func_f_]           // store function and return in x0
100:
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*     create structure number function                         */ 
/******************************************************************/
/* x0 contains the number  */
numFunc:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x2,x3,[sp,-16]!            // save  registers
    mov x2,x0                      // save number
    mov x0,#0                      // function null
    mov x1,#0                      // function null
    bl newFunc
    cmp x0,#-1                     // allocation error ?
    beq 100f
    str x2,[x0,#func_num]          // store number in new structure
100:
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*     new function                                               */ 
/******************************************************************/
/* x0 contains the function address   */
/* x1 contains the function address 1   */
newFunc:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x3,x4,[sp,-16]!            // save  registers
    stp x5,x8,[sp,-16]!            // save  registers
    mov x4,x0                      // save address
    mov x5,x1                      // save adresse 1
                                   // allocation place on the heap
    mov x0,#0                      // allocation place heap
    mov x8,BRK                     // call system 'brk'
    svc #0
    mov x6,x0                      // save address heap for output string
    add x0,x0,#func_fin            // reservation place one element
    mov x8,BRK                     // call system 'brk'
    svc #0
    cmp x0,#-1                     // allocation error
    beq 100f
    mov x0,x6
    str x4,[x0,#func_fn]           // store address
    str x5,[x0,#func_f_]
    str xzr,[x0,#func_num]         // store zero to number
100:
    ldp x5,x8,[sp],16              // restaur  2 registers
    ldp x3,x4,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/bead_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_algorithms/Bead_sort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program bead_sort.s */
/* En français tri par gravité ou tri par bille (ne pas confondre 
   avec tri par bulle (bubble sort)) */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessSortOk:       .asciz "Table sorted.\n"
szMessSortNok:      .asciz "Table not sorted !!!!!.\n"
sMessResult:        .asciz "Value  : @ \n"
szCarriageReturn:   .asciz "\n"
 
.align 4
#TableNumber:      .quad   1,3,6,2,5,9,10,8,4,7
TableNumber:     .quad   10,9,8,7,6,5,4,3,2,1
                  .equ NBELEMENTS, (. - TableNumber) / 8
           //.equ NBELEMENTS, 4 // for others tests
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:            .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                         // entry of program 
 
1:
    ldr x0,qAdrTableNumber    // address number table
    mov x1,#NBELEMENTS        // number of élements 
    bl beadSort
    ldr x0,qAdrTableNumber    // address number table
    mov x1,#NBELEMENTS        // number of élements 
    bl displayTable
 
    ldr x0,qAdrTableNumber    // address number table
    mov x1,#NBELEMENTS        // number of élements 
    bl isSorted               // control sort
    cmp x0,#1                 // sorted ?
    beq 2f
    ldr x0,qAdrszMessSortNok  // no !! error sort
    bl affichageMess
    b 100f
2:                            // yes
    ldr x0,qAdrszMessSortOk
    bl affichageMess
100:                          // standard end of the program 
    mov x0, #0                // return code
    mov x8, #EXIT             // request to exit program
    svc #0                    // perform the system call
 
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
qAdrszMessSortOk:         .quad szMessSortOk
qAdrszMessSortNok:        .quad szMessSortNok
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!          // save  registers
    stp x3,x4,[sp,-16]!          // save  registers
    mov x2,#0
    ldr x4,[x0,x2,lsl #3]        // load A[0]
1:
    add x2,x2,#1
    cmp x2,x1                    // end ?
    bge 99f
    ldr x3,[x0,x2, lsl #3]       // load A[i]
    cmp x3,x4                    // compare A[i],A[i-1]
    blt 98f                      // smaller -> error -> return
    mov x4,x3                    // no -> A[i-1] = A[i]
    b 1b                         // and loop 
98:
    mov x0,#0                    // error
    b 100f
99:
    mov x0,#1                    // ok -> return
100:
    ldp x2,x3,[sp],16            // restaur  2 registers
    ldp x1,lr,[sp],16            // restaur  2 registers
    ret                          // return to address lr x30
/******************************************************************/
/*         bead sort                                              */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of element */
/* Caution registers x2-x12 are not saved */
beadSort:
    stp x1,lr,[sp,-16]!       // save  registers
    mov x12,x1                // save elements number
                              //search max
    ldr x10,[x0]              // load value A[0] in max
    mov x4,#1
1:                            // loop search max
    cmp x4,x12                // end ?
    bge 21f                   // yes
    ldr x2,[x0,x4,lsl #3]     // load value A[i]
    cmp x2,x10                // compare with max
    csel x10,x2,x10,gt        // if greather
    add x4,x4,#1
    b 1b                      // loop
21:
    mul x5,x10,x12            // max * elements number
    lsl x5,x5,#3              // 8 bytes for each number
    sub sp,sp,x5              // allocate on the stack
    mov fp,sp                 // frame pointer = stack address
                              // marks beads
    mov x3,x0                 // save table address
    mov x0,#0                 // start index x
2:
    mov x1,#0                 // index y
    ldr x8,[x3,x0,lsl #3]     // load A[x]
    mul x6,x0,x10             // compute bead x
3:
    add x9,x6,x1              // compute bead y
    mov x4,#1                 // value to store
    str x4,[fp,x9,lsl #3]     // store to stack area
    add x1,x1,#1
    cmp x1,x8
    blt 3b
31:                           // init to zéro the bead end 
    cmp x1,x10                // max ?
    bge 32f
    add x9,x6,x1              // compute bead y
    mov x4,#0
    str x4,[fp,x9,lsl #3]
    add x1,x1,#1
    b 31b
32:
    add x0,x0,#1              // increment x
    cmp x0,x12                // end ?
    blt 2b
                              // count beads
    mov x1,#0                 // y
4:
    mov x0,#0                 // start index x
    mov x8,#0                 // sum
5:
    mul x6,x0,x10             // compute bead x
    add x9,x6,x1              // compute bead y
    ldr x4,[fp,x9,lsl #3]
    add x8,x8,x4
    mov x4,#0
    str x4,[fp,x9,lsl #3]     // raz bead
    add x0,x0,#1
    cmp x0,x12
    blt 5b
    sub x0,x12,x8             // compute end - sum
6:
    mul x6,x0,x10             // compute bead x
    add x9,x6,x1              // compute bead y
    mov x4,#1
    str x4,[fp,x9,lsl #3]     // store new bead at end
    add x0,x0,#1
    cmp x0,x12
    blt 6b
 
    add x1,x1,#1
    cmp x1,x10
    blt 4b
 
                              // final compute
    mov x0,#0                 // start index x
7:
    mov x1,#0                 // start index y
    mul x6,x0,x10             // compute bead x
8:
    add x9,x6,x1              // compute bead y
    ldr x4,[fp,x9,lsl #3]     // load bead [x,y]
    add x1,x1,#1              // add to x1 before str (index start at zéro)
    cmp x4,#1
    bne 9f
    str x1,[x3,x0, lsl #3]    // store A[x]
9:
    cmp x1,x10                // compare max
    blt 8b
    add x0,x0,#1
    cmp x0,x12                // end ?
    blt 7b
 
    mov x0,#0
    add sp,sp,x5              // stack alignement
100:
    ldp x1,lr,[sp],16         // restaur  2 registers
    ret                       // return to address lr x30
/******************************************************************/
/*      Display table elements                                */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains elements number  */
displayTable:
    stp x1,lr,[sp,-16]!          // save  registers
    stp x2,x3,[sp,-16]!          // save  registers
    mov x2,x0                    // table address
    mov x4,x1                    // elements number
    mov x3,#0
1:                               // loop display table
    ldr x0,[x2,x3,lsl #3]
    ldr x1,qAdrsZoneConv
    bl conversion10              // décimal conversion 
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv         // insert conversion
    bl strInsertAtCharInc
    bl affichageMess             // display message
    add x3,x3,#1
    cmp x3,x4                    // end ?
    blt 1b                       // no -> loop
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
100:
    ldp x2,x3,[sp],16            // restaur  2 registers
    ldp x1,lr,[sp],16            // restaur  2 registers
    ret                          // return to address lr x30
qAdrsZoneConv:           .quad sZoneConv
 
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/bogo_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_algorithms/Bogosort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program bogo_sort.s   */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
/*********************************/
/* Initialized data              */
/*********************************/
.data
sMessResult:      .asciz "Value  : @ \n"
szCarriageReturn: .asciz "\n"
 
.align 4
qGraine:  .quad 123456
TableNumber:       .quad   1,2,3,4,5,6,7,8,9,10
                   .equ NBELEMENTS, (. - TableNumber) / 8
 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:          .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                           // entry of program 
 
1:
    ldr x0,qAdrTableNumber                      // address number table
    mov x1,#NBELEMENTS                          // number of élements 
    bl knuthShuffle
                                                // table  display elements
    ldr x0,qAdrTableNumber                      // address number table
    mov x1,#NBELEMENTS                          // number of élements 
    bl displayTable
 
    ldr x0,qAdrTableNumber                      // address number table
    mov x1,#NBELEMENTS                          // number of élements 
    bl isSorted                                 // control sort
    cmp x0,#1                                   // sorted ?
    bne 1b                                      // no -> loop
 
 
100:                                            // standard end of the program 
    mov x0, #0                                  // return code
    mov x8, #EXIT                               // request to exit program
    svc #0                                      // perform the system call
 
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
 
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!          // save  registers
    stp x3,x4,[sp,-16]!          // save  registers
    mov x2,#0
    ldr x4,[x0,x2,lsl #3]        // load A[0]
1:
    add x2,x2,#1
    cmp x2,x1                    // end ?
    bge 99f
    ldr x3,[x0,x2, lsl #3]       // load A[i]
    cmp x3,x4                    // compare A[i],A[i-1]
    blt 98f                      // smaller -> error -> return
    mov x4,x3                    // no -> A[i-1] = A[i]
    b 1b                         // and loop 
98:
    mov x0,#0                    // error
    b 100f
99:
    mov x0,#1                    // ok -> return
100:
    ldp x2,x3,[sp],16            // restaur  2 registers
    ldp x1,lr,[sp],16            // restaur  2 registers
    ret                          // return to address lr x30
/******************************************************************/
/*      Display table elements                                */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains elements number  */
displayTable:
    stp x1,lr,[sp,-16]!          // save  registers
    stp x2,x3,[sp,-16]!          // save  registers
    mov x2,x0                    // table address
    mov x4,x1                    // elements number
    mov x3,#0
1:                               // loop display table
    ldr x0,[x2,x3,lsl #3]
    ldr x1,qAdrsZoneConv
    bl conversion10              // décimal conversion 
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv         // insert conversion
    bl strInsertAtCharInc
    bl affichageMess             // display message
    add x3,x3,#1
    cmp x3,x4                    // end ?
    blt 1b                       // no -> loop
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
100:
    ldp x2,x3,[sp],16            // restaur  2 registers
    ldp x1,lr,[sp],16            // restaur  2 registers
    ret                          // return to address lr x30
qAdrsZoneConv:           .quad sZoneConv
/******************************************************************/
/*     shuffle game                                       */ 
/******************************************************************/
/* x0 contains boxs address           */
/* x1 contains elements number        */
knuthShuffle:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x2,x3,[sp,-16]!            // save  registers
    stp x4,x5,[sp,-16]!            // save  registers
    mov x5,x0                      // save table address
    mov x2,#0                      // start index
1:
    mov x0,x2                      // generate aleas
    bl genereraleas
    ldr x3,[x5,x2,lsl #3]          // swap number on the table
    ldr x4,[x5,x0,lsl #3]
    str x4,[x5,x2,lsl #3]
    str x3,[x5,x0,lsl #3]
    add x2,x2,1                                         // next number
    cmp x2,x1                                         // end ?
    blt 1b                                            // no -> loop
 
100:
    ldp x4,x5,[sp],16              // restaur  2 registers
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/***************************************************/
/*   Generation random number                  */
/***************************************************/
/* x0 contains limit  */
genereraleas:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x2,x3,[sp,-16]!            // save  registers
    ldr x1,qAdrqGraine
    ldr x2,[x1]
    ldr x3,qNbDep1
    mul x2,x3,x2
    ldr x3,qNbDep2
    add x2,x2,x3
    str x2,[x1]                    // maj de la graine pour l appel suivant 
    cmp x0,#0
    beq 100f
    udiv x3,x2,x0
    msub x0,x3,x0,x2               // résult = remainder
 
100:                               // end function
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
qAdrqGraine: .quad qGraine
qNbDep1:     .quad 0x0019660d
qNbDep2:     .quad 0x3c6ef35f
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/bubble_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_algorithms/Bubble_sort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program bubble_sort.s  */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeConstantesARM64.inc"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessSortOk:       .asciz "Table sorted.\n"
szMessSortNok:      .asciz "Table not sorted !!!!!.\n"
sMessResult:        .asciz "Value  : @ \n"
szCarriageReturn:   .asciz "\n"
 
.align 4
TableNumber:      .quad   1,3,6,2,5,9,10,8,4,7
#TableNumber:     .quad   10,9,8,7,6,5,4,3,2,1
                 .equ NBELEMENTS, (. - TableNumber) / 8 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:       .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                              // entry of program 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,0
    mov x2,NBELEMENTS                              // number of élements 
    bl bubbleSort
    ldr x0,qAdrTableNumber                         // address number table
    bl displayTable
 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,NBELEMENTS                              // number of élements 
    bl isSorted                                    // control sort
    cmp x0,1                                       // sorted ?
    beq 1f                                    
    ldr x0,qAdrszMessSortNok                       // no !! error sort
    bl affichageMess
    b 100f
1:                                                 // yes
    ldr x0,qAdrszMessSortOk
    bl affichageMess
100:                                               // standard end of the program 
    mov x0,0                                       // return code
    mov x8,EXIT                                    // request to exit program
    svc 0                                          // perform the system call
 
qAdrsZoneConv:            .quad sZoneConv
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
qAdrszMessSortOk:         .quad szMessSortOk
qAdrszMessSortNok:        .quad szMessSortNok
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!              // save  registers
    stp x3,x4,[sp,-16]!              // save  registers
    mov x2,0
    ldr x4,[x0,x2,lsl 3]
1:
    add x2,x2,1
    cmp x2,x1
    bge 99f
    ldr x3,[x0,x2, lsl 3]
    cmp x3,x4
    blt 98f
    mov x4,x3
    b 1b
98:
    mov x0,0                       // not sorted
    b 100f
99:
    mov x0,1                       // sorted
100:
    ldp x3,x4,[sp],16              // restaur  2 registers
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*         bubble sort                                              */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the first element    */
/* x2 contains the number of element */
bubbleSort:
    stp x1,lr,[sp,-16]!        // save  registers
    stp x2,x3,[sp,-16]!        // save  registers
    stp x4,x5,[sp,-16]!        // save  registers
    stp x6,x7,[sp,-16]!        // save  registers
    stp x8,x9,[sp,-16]!        // save  registers
    sub x2,x2,1                // compute i = n - 1
    add x8,x1,1
1:                             // start loop 1
    mov x3,x1                  // start index
    mov x9,0
    sub x7,x2,1
2:                             // start loop 2
    add x4,x3,1
    ldr x5,[x0,x3,lsl 3]       // load value A[j]
    ldr x6,[x0,x4,lsl 3]       // load value A[j+1]
    cmp x6,x5                  // compare value
    bge 3f 
    str x6,[x0,x3,lsl 3]       // if smaller inversion
    str x5,[x0,x4,lsl 3] 
    mov x9,1                   // top table not sorted
3:
    add x3,x3,1                // increment index j
    cmp x3,x7                  // end ?
    ble 2b                     // no -> loop 2
    cmp x9,0                   // table sorted ?
    beq 100f                   // yes -> end
 
    sub x2,x2,1                // decrement i
    cmp x2,x8                  // end ?
    bge 1b                     // no -> loop 1
 
100:
    ldp x8,x9,[sp],16          // restaur  2 registers
    ldp x6,x7,[sp],16          // restaur  2 registers
    ldp x4,x5,[sp],16          // restaur  2 registers
    ldp x2,x3,[sp],16          // restaur  2 registers
    ldp x1,lr,[sp],16          // restaur  2 registers
    ret                        // return to address lr x30
 
/******************************************************************/
/*      Display table elements                                */ 
/******************************************************************/
/* x0 contains the address of table */
displayTable:
    stp x1,lr,[sp,-16]!              // save  registers
    stp x2,x3,[sp,-16]!              // save  registers
    mov x2,x0                        // table address
    mov x3,0
1:                                   // loop display table
    ldr x0,[x2,x3,lsl 3]
    ldr x1,qAdrsZoneConv
    bl conversion10                  // décimal conversion
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc            // insert result at @ character
    bl affichageMess                 // display message
    add x3,x3,1
    cmp x3,NBELEMENTS - 1
    ble 1b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
100:
    ldp x2,x3,[sp],16               // restaur  2 registers
    ldp x1,lr,[sp],16               // restaur  2 registers
    ret                             // return to address lr x30
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/circle_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_Algorithms/Circle_Sort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program circle_sort.s  */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessSortOk:       .asciz "Table sorted.\n"
szMessSortNok:      .asciz "Table not sorted !!!!!.\n"
szMessSortBefore:   .asciz "Display table before sort.\n"
sMessResult:        .asciz "Value  : @ \n"
szCarriageReturn:   .asciz "\n"
 
.align 4
#TableNumber:      .quad   1,3,6,2,5,9,10,8,4,7
#TableNumber:       .quad   1,2,3,4,5,6,7,8,9,10
#TableNumber:       .quad   9,5,12,8,2,12,6
TableNumber:       .quad   10,9,8,7,6,5,4,3,2,1
                   .equ NBELEMENTS, (. - TableNumber) / 8
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:            .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                               // entry of program 
    ldr x0,qAdrszMessSortBefore
    bl affichageMess
    ldr x0,qAdrTableNumber          // address number table
    bl displayTable
1:
    ldr x0,qAdrTableNumber          // address number table
    mov x1,#0
    mov x2,#NBELEMENTS -1           // number of élements 
    mov x3,#0
    bl circleSort
    cmp x0,#0
    bne 1b
    ldr x0,qAdrTableNumber          // address number table
    mov x1,#NBELEMENTS              // number of élements 
    bl displayTable
 
    ldr x0,qAdrTableNumber          // address number table
    mov x1,#NBELEMENTS              // number of élements 
    bl isSorted                     // control sort
    cmp x0,#1                       // sorted ?
    beq 2f                                    
    ldr x0,qAdrszMessSortNok        // no !! error sort
    bl affichageMess
    b 100f
2:                                  // yes
    ldr x0,qAdrszMessSortOk
    bl affichageMess
100:                                // standard end of the program 
    mov x0, #0                      // return code
    mov x8, #EXIT                   // request to exit program
    svc #0                          // perform the system call
 
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
qAdrszMessSortOk:         .quad szMessSortOk
qAdrszMessSortNok:        .quad szMessSortNok
qAdrszMessSortBefore:     .quad szMessSortBefore
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!          // save  registers
    stp x3,x4,[sp,-16]!          // save  registers
    mov x2,#0
    ldr x4,[x0,x2,lsl #3]
1:
    add x2,x2,#1
    cmp x2,x1
    bge 99f
    ldr x3,[x0,x2, lsl #3]
    cmp x3,x4
    blt 98f                      // smaller -> error
    mov x4,x3                    // A[i-1] = A[i]
    b 1b                         // else loop
98:
    mov x0,#0                    // error
    b 100f
99:
    mov x0,#1                    // ok -> return
100:
    ldp x2,x3,[sp],16            // restaur  2 registers
    ldp x1,lr,[sp],16            // restaur  2 registers
    ret                          // return to address lr x30
/******************************************************************/
/*         circle sort                                              */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the first index */
/* x2 contains the last index */
/* x3 contains number of swaps */
circleSort:
    stp x1,lr,[sp,-16]!          // save  registers
    stp x2,x3,[sp,-16]!          // save  registers
    stp x4,x5,[sp,-16]!          // save  registers
    stp x6,x7,[sp,-16]!          // save  registers
    stp x8,x9,[sp,-16]!          // save  registers
    stp x10,x11,[sp,-16]!        // save  registers
    cmp x1,x2
    beq 99f
    mov x7,x0                    // save address
    mov x8,x1                    // low
    mov x9,x2                    // high
    sub x4,x2,x1
    lsr x4,x4,#1
    mov x10,x4                   // mid
1:                               // start loop
    cmp x1,x2
    bge 3f
    ldr x5,[x0,x1,lsl #3]
    ldr x6,[x0,x2,lsl #3]
    cmp x5,x6
    ble 2f
    str x6,[x0,x1,lsl #3]        // swap values
    str x5,[x0,x2,lsl #3] 
    add x3,x3,#1
2:
    add x1,x1,#1                 // increment lo
    sub x2,x2,#1                 // decrement hi
    b 1b                         // and loop
3:
    cmp x1,x2                    // compare lo hi
    bne 4f                       // not egal
    ldr x5,[x0,x1,lsl #3]
    add x2,x2,#1
    ldr x6,[x0,x2,lsl #3]
    cmp x5,x6 
    ble 4f
    str x6,[x0,x1,lsl #3]        //  swap
    str x5,[x0,x2,lsl #3] 
    add x3,x3,#1
4:
    mov x1,x8                    // low
    mov x2,x10                   // mid
    add x2,x2,x1
    bl circleSort
    mov x3,x0                    // swaps
    mov x0,x7                    // table address
    mov x1,x8                    // low
    mov x2,x10                   // mid
    add x1,x2,x1
    add x1,x1,#1
    mov x2,x9                    // high
    bl circleSort
    mov x3,x0                    // swaps
99:
    mov x0,x3                    // return number swaps
100:
    ldp x10,x11,[sp],16          // restaur  2 registers
    ldp x8,x9,[sp],16            // restaur  2 registers
    ldp x6,x7,[sp],16            // restaur  2 registers
    ldp x4,x5,[sp],16            // restaur  2 registers
    ldp x2,x3,[sp],16            // restaur  2 registers
    ldp x1,lr,[sp],16            // restaur  2 registers
    ret                          // return to address lr x30
/******************************************************************/
/*      Display table elements                                */ 
/******************************************************************/
/* x0 contains the address of table */
displayTable:
    stp x1,lr,[sp,-16]!          // save  registers
    stp x2,x3,[sp,-16]!          // save  registers
    mov x2,x0                    // table address
    mov x3,#0
1:                               // loop display table
    ldr x0,[x2,x3,lsl #3]
    ldr x1,qAdrsZoneConv
    bl conversion10              // décimal conversion 
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv         // insert conversion
    bl strInsertAtCharInc
    bl affichageMess             // display message
    add x3,x3,#1
    cmp x3,#NBELEMENTS - 1
    ble 1b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
100:
    ldp x2,x3,[sp],16            // restaur  2 registers
    ldp x1,lr,[sp],16            // restaur  2 registers
    ret                          // return to address lr x30
qAdrsZoneConv:           .quad sZoneConv
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/cocktail_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_algorithms/Cocktail_sort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program cocktail_sort.s  */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeConstantesARM64.inc"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessSortOk:       .asciz "Table sorted.\n"
szMessSortNok:      .asciz "Table not sorted !!!!!.\n"
sMessResult:        .asciz "Value  : @ \n"
szCarriageReturn:   .asciz "\n"
 
.align 4
#TableNumber:      .quad   1,3,6,2,5,9,10,8,4,7
TableNumber:     .quad   10,9,8,7,6,-5,4,3,2,1
                 .equ NBELEMENTS, (. - TableNumber) / 8 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:       .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                              // entry of program 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,0
    mov x2,NBELEMENTS                              // number of élements 
    bl cocktailSort
    ldr x0,qAdrTableNumber                         // address number table
    bl displayTable
 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,NBELEMENTS                              // number of élements 
    bl isSorted                                    // control sort
    cmp x0,1                                       // sorted ?
    beq 1f                                    
    ldr x0,qAdrszMessSortNok                       // no !! error sort
    bl affichageMess
    b 100f
1:                                                 // yes
    ldr x0,qAdrszMessSortOk
    bl affichageMess
100:                                               // standard end of the program 
    mov x0,0                                       // return code
    mov x8,EXIT                                    // request to exit program
    svc 0                                          // perform the system call
 
qAdrsZoneConv:            .quad sZoneConv
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
qAdrszMessSortOk:         .quad szMessSortOk
qAdrszMessSortNok:        .quad szMessSortNok
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!              // save  registers
    stp x3,x4,[sp,-16]!              // save  registers
    mov x2,0
    ldr x4,[x0,x2,lsl 3]
1:
    add x2,x2,1
    cmp x2,x1
    bge 99f
    ldr x3,[x0,x2, lsl 3]
    cmp x3,x4
    blt 98f
    mov x4,x3
    b 1b
98:
    mov x0,0                       // not sorted
    b 100f
99:
    mov x0,1                       // sorted
100:
    ldp x3,x4,[sp],16              // restaur  2 registers
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*         cocktail sort                                              */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the first element    */
/* x2 contains the number of element */
cocktailSort:
    stp x1,lr,[sp,-16]!        // save  registers
    stp x2,x3,[sp,-16]!        // save  registers
    stp x4,x5,[sp,-16]!        // save  registers
    stp x6,x7,[sp,-16]!        // save  registers
    stp x8,x9,[sp,-16]!        // save  registers
    sub x2,x2,1                // compute i = n - 1
1:                             // start loop 1
    mov x3,x1                  // start index
    mov x9,0
    sub x7,x2,1
2:                             // start loop 2
    add x4,x3,1
    ldr x5,[x0,x3,lsl 3]       // load value A[j]
    ldr x6,[x0,x4,lsl 3]       // load value A[j+1]
    cmp x6,x5                  // compare value
    bge 3f 
    str x6,[x0,x3,lsl 3]       // if smaller inversion
    str x5,[x0,x4,lsl 3] 
    mov x9,1                   // top table not sorted
3:
    add x3,x3,1                // increment index j
    cmp x3,x7                  // end ?
    ble 2b                     // no -> loop 2
    cmp x9,0                   // table sorted ?
    beq 100f                   // yes -> end
    mov x9,0
    mov x3,x7
4:
    add x4,x3,1
    ldr x5,[x0,x3,lsl 3]       // load value A[j]
    ldr x6,[x0,x4,lsl 3]       // load value A[j+1]
    cmp x6,x5                  // compare value
    bge 5f 
    str x6,[x0,x3,lsl 3]       // if smaller inversion
    str x5,[x0,x4,lsl 3] 
    mov x9,1                   // top table not sorted
5:
    sub x3,x3,1                // decrement index j
    cmp x3,x1                  // end ?
    bge 4b                     // no -> loop 2
 
    cmp x9,0                   // table sorted ?
    bne 1b                     // no -> loop 1
 
100:
    ldp x8,x9,[sp],16          // restaur  2 registers
    ldp x6,x7,[sp],16          // restaur  2 registers
    ldp x4,x5,[sp],16          // restaur  2 registers
    ldp x2,x3,[sp],16          // restaur  2 registers
    ldp x1,lr,[sp],16          // restaur  2 registers
    ret                        // return to address lr x30
 
/******************************************************************/
/*      Display table elements                                */ 
/******************************************************************/
/* x0 contains the address of table */
displayTable:
    stp x1,lr,[sp,-16]!              // save  registers
    stp x2,x3,[sp,-16]!              // save  registers
    mov x2,x0                        // table address
    mov x3,0
1:                                   // loop display table
    ldr x0,[x2,x3,lsl 3]
    ldr x1,qAdrsZoneConv
    bl conversion10S                  // décimal conversion
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc            // insert result at @ character
    bl affichageMess                 // display message
    add x3,x3,1
    cmp x3,NBELEMENTS - 1
    ble 1b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
100:
    ldp x2,x3,[sp],16               // restaur  2 registers
    ldp x1,lr,[sp],16               // restaur  2 registers
    ret                             // return to address lr x30
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/comb_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_algorithms/Comb_sort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program comb_sort.s  */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeConstantesARM64.inc"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessSortOk:       .asciz "Table sorted.\n"
szMessSortNok:      .asciz "Table not sorted !!!!!.\n"
sMessResult:        .asciz "Value  : @ \n"
szCarriageReturn:   .asciz "\n"
 
.align 4
#TableNumber:      .quad   1,3,6,2,5,9,10,8,4,7
TableNumber:     .quad   10,9,8,7,6,-5,4,3,2,1
                 .equ NBELEMENTS, (. - TableNumber) / 8 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:       .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                              // entry of program 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,0
    mov x2,NBELEMENTS                              // number of élements 
    bl combSort
    ldr x0,qAdrTableNumber                         // address number table
    bl displayTable
 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,NBELEMENTS                              // number of élements 
    bl isSorted                                    // control sort
    cmp x0,1                                       // sorted ?
    beq 1f                                    
    ldr x0,qAdrszMessSortNok                       // no !! error sort
    bl affichageMess
    b 100f
1:                                                 // yes
    ldr x0,qAdrszMessSortOk
    bl affichageMess
100:                                               // standard end of the program 
    mov x0,0                                       // return code
    mov x8,EXIT                                    // request to exit program
    svc 0                                          // perform the system call
 
qAdrsZoneConv:            .quad sZoneConv
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
qAdrszMessSortOk:         .quad szMessSortOk
qAdrszMessSortNok:        .quad szMessSortNok
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!              // save  registers
    stp x3,x4,[sp,-16]!              // save  registers
    mov x2,0
    ldr x4,[x0,x2,lsl 3]
1:
    add x2,x2,1
    cmp x2,x1
    bge 99f
    ldr x3,[x0,x2, lsl 3]
    cmp x3,x4
    blt 98f
    mov x4,x3
    b 1b
98:
    mov x0,0                       // not sorted
    b 100f
99:
    mov x0,1                       // sorted
100:
    ldp x3,x4,[sp],16              // restaur  2 registers
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*         comb sort                                              */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the first element    */
/* x2 contains the number of element */
/* this routine use à factor to 1.28  see wikipedia for best factor */
combSort:
    stp x1,lr,[sp,-16]!        // save  registers
    stp x2,x3,[sp,-16]!        // save  registers
    stp x4,x5,[sp,-16]!        // save  registers
    stp x6,x7,[sp,-16]!        // save  registers
    stp x8,x9,[sp,-16]!        // save  registers
    sub x9,x2,x1               // compute gap
    sub x2,x2,1                // compute end index n - 1
    mov x7,100
1:                             // start loop 1
    mul x9,x7,x9               // gap multiply by 100
    lsr x9,x9,7                // divide by 128
    cmp x9,0
    mov x3,1
    csel x9,x9,x3,ne
    mov x3,x1                  // start index
    mov x8,0                   // swaps
2:                             // start loop 2
    add x4,x3,x9               // add gap to indice
    cmp x4,x2
    bgt 4f
    ldr x5,[x0,x3,lsl 3]       // load value A[j]
    ldr x6,[x0,x4,lsl 3]       // load value A[j+1]
    cmp x6,x5                  // compare value
    bge 3f 
    str x6,[x0,x3,lsl 3]       // if smaller inversion
    str x5,[x0,x4,lsl 3] 
    mov x8,1                   // swaps
3:
    add x3,x3,1                // increment index j
    b 2b
 
4:
    //bl displayTable
    cmp x9,1                   // gap = 1 ?
    bne 1b                     // no loop
    cmp x8,1                   // swaps ?
    beq 1b                     // yes -> loop 1
 
100:
    ldp x8,x9,[sp],16          // restaur  2 registers
    ldp x6,x7,[sp],16          // restaur  2 registers
    ldp x4,x5,[sp],16          // restaur  2 registers
    ldp x2,x3,[sp],16          // restaur  2 registers
    ldp x1,lr,[sp],16          // restaur  2 registers
    ret                        // return to address lr x30
 
/******************************************************************/
/*      Display table elements                                */ 
/******************************************************************/
/* x0 contains the address of table */
displayTable:
    stp x1,lr,[sp,-16]!              // save  registers
    stp x2,x3,[sp,-16]!              // save  registers
    mov x2,x0                        // table address
    mov x3,0
1:                                   // loop display table
    ldr x0,[x2,x3,lsl 3]
    ldr x1,qAdrsZoneConv
    bl conversion10S                  // décimal conversion
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc            // insert result at @ character
    bl affichageMess                 // display message
    add x3,x3,1
    cmp x3,NBELEMENTS - 1
    ble 1b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
    mov x0,x2
100:
    ldp x2,x3,[sp],16               // restaur  2 registers
    ldp x1,lr,[sp],16               // restaur  2 registers
    ret                             // return to address lr x30
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/counting_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_algorithms/Counting_sort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program counting_sort.s  */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeConstantesARM64.inc"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessSortOk:       .asciz "Table sorted.\n"
szMessSortNok:      .asciz "Table not sorted !!!!!.\n"
sMessResult:        .asciz "Value  : @ \n"
szCarriageReturn:   .asciz "\n"
 
.align 4
#Caution : number strictly positive and not too big
TableNumber:      .quad   1,3,6,2,5,9,10,8,4,5
//TableNumber:     .quad   10,9,8,7,6,5,4,3,2,1
                 .equ NBELEMENTS, (. - TableNumber) / 8 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:       .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                              // entry of program 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,NBELEMENTS                              // number of élements 
    bl searchMinMax
    mov x3,NBELEMENTS
    bl countSort
    ldr x0,qAdrTableNumber                         // address number table
    bl displayTable
 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,NBELEMENTS                              // number of élements 
    bl isSorted                                    // control sort
    cmp x0,1                                       // sorted ?
    beq 1f                                    
    ldr x0,qAdrszMessSortNok                       // no !! error sort
    bl affichageMess
    b 100f
1:                                                 // yes
    ldr x0,qAdrszMessSortOk
    bl affichageMess
100:                                               // standard end of the program 
    mov x0,0                                       // return code
    mov x8,EXIT                                    // request to exit program
    svc 0                                          // perform the system call
 
qAdrsZoneConv:            .quad sZoneConv
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
qAdrszMessSortOk:         .quad szMessSortOk
qAdrszMessSortNok:        .quad szMessSortNok
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return table address  r1 return min  r2 return max */
searchMinMax:
    stp x3,lr,[sp,-16]!              // save  registers
    stp x3,x4,[sp,-16]!              // save  registers
    mov x3,x1                        // save size
    mov x1,1<<62                     // min
    mov x2,0                         // max
    mov x4,0                         // index
1:
    ldr x5,[x0,x4,lsl 3]
    cmp x5,x1
    csel x1,x5,x1,lt
    cmp x5,x2
    csel x2,x5,x2,gt
    add x4,x4,1
    cmp x4,x3
    blt 1b
100:
    ldp x4,x5,[sp],16                // restaur  2 registers
    ldp x3,lr,[sp],16                // restaur  2 registers
    ret                              // return to address lr x30
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!              // save  registers
    stp x3,x4,[sp,-16]!              // save  registers
    mov x2,0
    ldr x4,[x0,x2,lsl 3]
1:
    add x2,x2,1
    cmp x2,x1
    bge 99f
    ldr x3,[x0,x2, lsl 3]
    cmp x3,x4
    blt 98f
    mov x4,x3
    b 1b
98:
    mov x0,0                       // not sorted
    b 100f
99:
    mov x0,1                       // sorted
100:
    ldp x3,x4,[sp],16              // restaur  2 registers
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*         count sort                                             */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the minimum          */
/* x2 contains the maximum          */
/* x3 contains area size            */ 
/* caution : the count area is in the stack. if max is very large, risk of error */ 
countSort:
    stp x1,lr,[sp,-16]!        // save  registers
    stp x2,x3,[sp,-16]!        // save  registers
    stp x4,x5,[sp,-16]!        // save  registers
    stp x6,x7,[sp,-16]!        // save  registers
    stp x8,x9,[sp,-16]!        // save  registers
    sub x3,x3,1                // compute endidx = n - 1
    sub x5,x2,x1               // compute max - min
    add x5,x5,1                // + 1
    lsl x9,x5,3                // 8 bytes by number
    sub sp,sp,x9               // reserve count area in stack
    mov fp,sp                  // frame pointer = stack
    mov x6,0
    mov x4,0
1:                             // loop init stack area 
    str x6,[fp,x4, lsl 3]
    add x4,x4,#1
    cmp x4,x5
    blt 1b
    mov x4,#0                  // indice
2:                             // start loop 2
    ldr x5,[x0,x4,lsl 3]       // load value A[j]
    sub x5,x5,x1               // - min
    ldr x6,[fp,x5,lsl 3]       // load count of value
    add x6,x6,1                // increment counter
    str x6,[fp,x5,lsl 3]       // and store 
    add x4,x4,1                // increment indice
    cmp x4,x3                  // end ?
    ble 2b                     // no -> loop 2
 
    mov x7,0                   // z
    mov x4,x1                  // index = min
3:                             // start loop 3
    sub x6,x4,x1               // compute index - min
    ldr x5,[fp,x6,lsl 3]       // load count
4:                             // start loop 4
    cmp x5,0                   // count <> zéro
    beq 5f
    str x4,[x0,x7,lsl 3]       // store value A[j]
    add x7,x7,1                // increment z
    sub x5,x5,1                // decrement count  
    b  4b
 
5:
    add x4,x4,1                // increment index
    cmp x4,x2                  // max ?
    ble 3b                     // no -> loop 3
 
    add sp,sp,x9               // stack alignement
 
100:
    ldp x8,x9,[sp],16          // restaur  2 registers
    ldp x6,x7,[sp],16          // restaur  2 registers
    ldp x4,x5,[sp],16          // restaur  2 registers
    ldp x2,x3,[sp],16          // restaur  2 registers
    ldp x1,lr,[sp],16          // restaur  2 registers
    ret                        // return to address lr x30
 
/******************************************************************/
/*      Display table elements                                */ 
/******************************************************************/
/* x0 contains the address of table */
displayTable:
    stp x1,lr,[sp,-16]!              // save  registers
    stp x2,x3,[sp,-16]!              // save  registers
    mov x2,x0                        // table address
    mov x3,0
1:                                   // loop display table
    ldr x0,[x2,x3,lsl 3]
    ldr x1,qAdrsZoneConv
    bl conversion10S                  // décimal conversion
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc            // insert result at @ character
    bl affichageMess                 // display message
    add x3,x3,1
    cmp x3,NBELEMENTS - 1
    ble 1b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
    mov x0,x2                       // table address
100:
    ldp x2,x3,[sp],16               // restaur  2 registers
    ldp x1,lr,[sp],16               // restaur  2 registers
    ret                             // return to address lr x30
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/gnome_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_algorithms/Gnome_sort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program gnome_sort.s  */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeConstantesARM64.inc"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessSortOk:       .asciz "Table sorted.\n"
szMessSortNok:      .asciz "Table not sorted !!!!!.\n"
sMessResult:        .asciz "Value  : @ \n"
szCarriageReturn:   .asciz "\n"
 
.align 4
TableNumber:      .quad   1,3,6,2,5,9,10,8,4,7
#TableNumber:     .quad   10,9,8,7,6,-5,4,3,2,1
                 .equ NBELEMENTS, (. - TableNumber) / 8 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:       .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                              // entry of program 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,0                                       // first element
    mov x2,NBELEMENTS                              // number of élements 
    bl gnomeSort
    ldr x0,qAdrTableNumber                         // address number table
    bl displayTable
 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,NBELEMENTS                              // number of élements 
    bl isSorted                                    // control sort
    cmp x0,1                                       // sorted ?
    beq 1f                                    
    ldr x0,qAdrszMessSortNok                       // no !! error sort
    bl affichageMess
    b 100f
1:                                                 // yes
    ldr x0,qAdrszMessSortOk
    bl affichageMess
100:                                               // standard end of the program 
    mov x0,0                                       // return code
    mov x8,EXIT                                    // request to exit program
    svc 0                                          // perform the system call
 
qAdrsZoneConv:            .quad sZoneConv
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
qAdrszMessSortOk:         .quad szMessSortOk
qAdrszMessSortNok:        .quad szMessSortNok
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!              // save  registers
    stp x3,x4,[sp,-16]!              // save  registers
    mov x2,0
    ldr x4,[x0,x2,lsl 3]
1:
    add x2,x2,1
    cmp x2,x1
    bge 99f
    ldr x3,[x0,x2, lsl 3]
    cmp x3,x4
    blt 98f
    mov x4,x3
    b 1b
98:
    mov x0,0                       // not sorted
    b 100f
99:
    mov x0,1                       // sorted
100:
    ldp x3,x4,[sp],16              // restaur  2 registers
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*         gnome sort                                              */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the first element    */
/* x2 contains the number of element */
gnomeSort:
    stp x1,lr,[sp,-16]!        // save  registers
    stp x2,x3,[sp,-16]!        // save  registers
    stp x4,x5,[sp,-16]!        // save  registers
    stp x6,x7,[sp,-16]!        // save  registers
    stp x8,x9,[sp,-16]!        // save  registers
    sub x2,x2,1                // compute end index n - 1
    add x3,x1,1                // index i
    add x7,x1,2                // index j
1:                             // start loop 1
    cmp x3,x2
    bgt 100f
    sub x4,x3,1                // 
    ldr x5,[x0,x3,lsl 3]       // load value A[j]
    ldr x6,[x0,x4,lsl 3]       // load value A[j+1]
    cmp x5,x6                  // compare value
    bge 2f 
    str x6,[x0,x3,lsl 3]       // if smaller inversion
    str x5,[x0,x4,lsl 3] 
    sub x3,x3,1                // i = i - 1
    cmp x3,x1
    bne 1b                     // loop 1
2:
    mov x3,x7                  // i = j
    add x7,x7,1                // j = j + 1
    b 1b                       // loop 1
 
100:
    ldp x8,x9,[sp],16          // restaur  2 registers
    ldp x6,x7,[sp],16          // restaur  2 registers
    ldp x4,x5,[sp],16          // restaur  2 registers
    ldp x2,x3,[sp],16          // restaur  2 registers
    ldp x1,lr,[sp],16          // restaur  2 registers
    ret                        // return to address lr x30
 
/******************************************************************/
/*      Display table elements                                */ 
/******************************************************************/
/* x0 contains the address of table */
displayTable:
    stp x1,lr,[sp,-16]!              // save  registers
    stp x2,x3,[sp,-16]!              // save  registers
    mov x2,x0                        // table address
    mov x3,0
1:                                   // loop display table
    ldr x0,[x2,x3,lsl 3]
    ldr x1,qAdrsZoneConv
    bl conversion10S                  // décimal conversion
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc            // insert result at @ character
    bl affichageMess                 // display message
    add x3,x3,1
    cmp x3,NBELEMENTS - 1
    ble 1b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
    mov x0,x2
100:
    ldp x2,x3,[sp],16               // restaur  2 registers
    ldp x1,lr,[sp],16               // restaur  2 registers
    ret                             // return to address lr x30
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/heap_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_algorithms/Heapsort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program heap_sort.s   */
/* look Pseudocode begin this task  */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeConstantesARM64.inc"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessSortOk:       .asciz "Table sorted.\n"
szMessSortNok:      .asciz "Table not sorted !!!!!.\n"
sMessResult:        .asciz "Value  : @ \n"
szCarriageReturn:  .asciz "\n"
 
.align 4
//TableNumber:         .quad   1,3,6,2,5,9,10,8,4,7
TableNumber:         .quad   10,9,8,7,6,-5,4,3,2,1
                 .equ NBELEMENTS, (. - TableNumber) / 8 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:       .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                           // entry of program 
 
1:
    ldr x0,qAdrTableNumber                      // address number table
    mov x1,#NBELEMENTS                          // number of élements 
    bl heapSort
    ldr x0,qAdrTableNumber                      // address number table
    bl displayTable
 
    ldr x0,qAdrTableNumber                      // address number table
    mov x1,#NBELEMENTS                          // number of élements 
    bl isSorted                                 // control sort
    cmp x0,#1                                   // sorted ?
    beq 2f                                    
    ldr x0,qAdrszMessSortNok                    // no !! error sort
    bl affichageMess
    b 100f
2:                                              // yes
    ldr x0,qAdrszMessSortOk
    bl affichageMess
100:                                            // standard end of the program 
    mov x0, #0                                  // return code
    mov x8, #EXIT                               // request to exit program
    svc #0                                      // perform the system call
 
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
qAdrszMessSortOk:         .quad szMessSortOk
qAdrszMessSortNok:        .quad szMessSortNok
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!              // save  registers
    stp x3,x4,[sp,-16]!              // save  registers
    mov x2,#0
    ldr x4,[x0,x2,lsl 3]
1:
    add x2,x2,1
    cmp x2,x1
    bge 99f
    ldr x3,[x0,x2, lsl 3]
    cmp x3,x4
    blt 98f
    mov x4,x3
    b 1b
98:
    mov x0,0                      // not sorted
    b 100f
99:
    mov x0,1                      // sorted
100:
    ldp x3,x4,[sp],16              // restaur  2 registers
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*         heap sort                                              */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of element */
heapSort:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x2,x3,[sp,-16]!            // save  registers
    bl heapify                     // first place table in max-heap order
    sub x3,x1,1
1:
    cmp x3,0
    ble 100f
    mov x1,0                       // swap the root(maximum value) of the heap with the last element of the heap)
    mov x2,x3
    bl swapElement
    sub x3,x3,1
    mov x1,0
    mov x2,x3                      // put the heap back in max-heap order
    bl siftDown
    b 1b
 
100:
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*      place table in max-heap order                             */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of element */
heapify:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x2,x3,[sp,-16]!            // save  registers
    str x4,[sp,-16]!               // save  registers
    mov x4,x1
    sub x3,x1,2
    lsr x3,x3,1
1:
    cmp x3,0
    blt 100f
    mov x1,x3
    sub x2,x4,1
    bl siftDown
    sub x3,x3,1
    b 1b
100:
    ldr x4,[sp],16                 // restaur  1 registers
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*     swap two elements of table                                  */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the first index */
/* x2 contains the second index */
swapElement:
    stp x2,lr,[sp,-16]!            // save  registers
    stp x3,x4,[sp,-16]!            // save  registers
    ldr x3,[x0,x1,lsl #3]          // swap number on the table
    ldr x4,[x0,x2,lsl #3]
    str x4,[x0,x1,lsl #3]
    str x3,[x0,x2,lsl #3]
100:
    ldp x3,x4,[sp],16              // restaur  2 registers
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
 
/******************************************************************/
/*     put the heap back in max-heap order                        */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the first index */
/* x2 contains the last index */
siftDown:
    stp x1,lr,[sp,-16]!            // save  registers
    stp x2,x3,[sp,-16]!            // save  registers
    stp x4,x5,[sp,-16]!            // save  registers
    stp x6,x7,[sp,-16]!            // save  registers
                                   // x1 = root = start
    mov x3,x2                      // save last index
1:
    lsl x4,x1,1
    add x4,x4,1
    cmp x4,x3
    bgt 100f
    add x5,x4,1
    cmp x5,x3
    bgt 2f
    ldr x6,[x0,x4,lsl 3]           // compare elements on the table
    ldr x7,[x0,x5,lsl 3]
    cmp x6,x7
    csel x4,x5,x4,lt
    //movlt x4,x5
2:
    ldr x7,[x0,x4,lsl 3]           // compare elements on the table
    ldr x6,[x0,x1,lsl 3]           // root
    cmp x6,x7
    bge 100f
    mov x2,x4                      // and x1 is root
    bl swapElement
    mov x1,x4                      // root = child
    b 1b
 
100: 
    ldp x6,x7,[sp],16              // restaur  2 registers
    ldp x4,x5,[sp],16              // restaur  2 registers
    ldp x2,x3,[sp],16              // restaur  2 registers
    ldp x1,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
 
/******************************************************************/
/*      Display table elements                                */ 
/******************************************************************/
/* x0 contains the address of table */
displayTable:
    stp x1,lr,[sp,-16]!              // save  registers
    stp x2,x3,[sp,-16]!              // save  registers
    mov x2,x0                        // table address
    mov x3,0
1:                                   // loop display table
    ldr x0,[x2,x3,lsl 3]
    ldr x1,qAdrsZoneConv
    bl conversion10S                  // décimal conversion
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc            // insert result at @ character
    bl affichageMess                 // display message
    add x3,x3,1
    cmp x3,NBELEMENTS - 1
    ble 1b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
    mov x0,x2
100:
    ldp x2,x3,[sp],16               // restaur  2 registers
    ldp x1,lr,[sp],16               // restaur  2 registers
    ret                             // return to address lr x30
qAdrsZoneConv:            .quad sZoneConv
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/insertion_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_algorithms/Insertion_sort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program insertion_sort.s  */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeConstantesARM64.inc"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessSortOk:       .asciz "Table sorted.\n"
szMessSortNok:      .asciz "Table not sorted !!!!!.\n"
sMessResult:        .asciz "Value  : @ \n"
szCarriageReturn:   .asciz "\n"
 
.align 4
#TableNumber:      .quad   1,3,6,2,5,9,10,8,4,7
TableNumber:     .quad   10,9,8,7,6,-5,4,3,2,1
                 .equ NBELEMENTS, (. - TableNumber) / 8 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:       .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                              // entry of program 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,0                                       // first element
    mov x2,NBELEMENTS                              // number of élements 
    bl insertionSort
    ldr x0,qAdrTableNumber                         // address number table
    bl displayTable
 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,NBELEMENTS                              // number of élements 
    bl isSorted                                    // control sort
    cmp x0,1                                       // sorted ?
    beq 1f                                    
    ldr x0,qAdrszMessSortNok                       // no !! error sort
    bl affichageMess
    b 100f
1:                                                 // yes
    ldr x0,qAdrszMessSortOk
    bl affichageMess
100:                                               // standard end of the program 
    mov x0,0                                       // return code
    mov x8,EXIT                                    // request to exit program
    svc 0                                          // perform the system call
 
qAdrsZoneConv:            .quad sZoneConv
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
qAdrszMessSortOk:         .quad szMessSortOk
qAdrszMessSortNok:        .quad szMessSortNok
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!             // save  registers
    stp x3,x4,[sp,-16]!             // save  registers
    mov x2,0
    ldr x4,[x0,x2,lsl 3]
1:
    add x2,x2,1
    cmp x2,x1
    bge 99f
    ldr x3,[x0,x2, lsl 3]
    cmp x3,x4
    blt 98f
    mov x4,x3
    b 1b
98:
    mov x0,0                       // not sorted
    b 100f
99:
    mov x0,1                       // sorted
100:
    ldp x3,x4,[sp],16              // restaur  2 registers
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*         insertion sort                                              */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the first element    */
/* x2 contains the number of element */
insertionSort:
    stp x1,lr,[sp,-16]!        // save  registers
    stp x2,x3,[sp,-16]!        // save  registers
    stp x4,x5,[sp,-16]!        // save  registers
    stp x6,x7,[sp,-16]!        // save  registers
    add x3,x1,1                // index i
1:                             // start loop 1
    ldr x4,[x0,x3,lsl 3]       // load value A[i]
    sub x5,x3,1                // index j
2:                             // start loop 2
    ldr x6,[x0,x5,lsl 3]       // load value A[j]
    cmp x6,x4                  // compare value
    ble 3f 
    add x5,x5,1                // increment index j
    str x6,[x0,x5,lsl 3]       // store value A[j+1}
    sub x5,x5,2                // j = j - 1
    cmp x5,x1                  // compare first element
    bge 2b                     // loop 2
3:
    add x5,x5,1                // increment index j
    str x4,[x0,x5,lsl 3]       // store value A[i}
    add x3,x3,1                // increment index i
    cmp x3,x2                  // end ?
    blt 1b                     // loop 1
 
100:
    ldp x6,x7,[sp],16          // restaur  2 registers
    ldp x4,x5,[sp],16          // restaur  2 registers
    ldp x2,x3,[sp],16          // restaur  2 registers
    ldp x1,lr,[sp],16          // restaur  2 registers
    ret                        // return to address lr x30
 
/******************************************************************/
/*      Display table elements                                */ 
/******************************************************************/
/* x0 contains the address of table */
displayTable:
    stp x1,lr,[sp,-16]!              // save  registers
    stp x2,x3,[sp,-16]!              // save  registers
    mov x2,x0                        // table address
    mov x3,0
1:                                   // loop display table
    ldr x0,[x2,x3,lsl 3]
    ldr x1,qAdrsZoneConv
    bl conversion10S                  // décimal conversion
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc            // insert result at @ character
    bl affichageMess                 // display message
    add x3,x3,1
    cmp x3,NBELEMENTS - 1
    ble 1b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
    mov x0,x2
100:
    ldp x2,x3,[sp],16               // restaur  2 registers
    ldp x1,lr,[sp],16               // restaur  2 registers
    ret                             // return to address lr x30
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/jort_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/JortSort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program jort_sort.s */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
 
/*******************************************/
/* Initialized data                        */
/*******************************************/
.data
szMessOk:         .asciz "Ok, the list is sorted. \n"
szMessNotOk:      .asciz "Ouah!! this list is unsorted.\n"
szCarriageReturn:  .asciz "\n"
tbNumber:           .quad 3
                    .quad 4
                    .quad 20
                    .quad 5
                    .equ LGTBNUMBER, (. - tbNumber)/8  // number element of area 
/*******************************************/
/* UnInitialized data                      */
/*******************************************/
.bss 
sZoneConversion:        .skip 100
.align 4
tbNumberSorted:      .skip 8 * LGTBNUMBER
/*******************************************/
/*  code section                           */
/*******************************************/
.text
.global main 
main:                             // entry of program
    ldr x0,qAdrtbNumber
    ldr x1,qAdrtbNumberSorted
    mov x2,LGTBNUMBER
    bl insertionSort              // sort area
    ldr x0,qAdrtbNumber
    ldr x1,qAdrtbNumberSorted
    mov x2,LGTBNUMBER
    bl comparArea                // control area
    cbz x0,1f
    ldr x0,qAdrszMessNotOk       // not sorted
    bl affichageMess
    b 100f
1:                               // ok it is good
    ldr x0,qAdrszMessOk
    bl affichageMess
100:                             // standard end of the program
    mov x0, #0                   // return code
    mov x8, #EXIT                // request to exit program
    svc 0                        // perform the system call
 
qAdrtbNumber:          .quad tbNumber
qAdrtbNumberSorted:    .quad tbNumberSorted
qAdrszMessNotOk:       .quad szMessNotOk
qAdrszMessOk:          .quad szMessOk
qAdrszCarriageReturn:  .quad szCarriageReturn
/******************************************************************/
/*     insertion sort                                             */ 
/******************************************************************/
/* x0 contains the address of area to sort  */
/* x1 contains the address of area sorted   */
/* x2 contains the number of element */
insertionSort:
    stp x1,lr,[sp,-16]!         // save  registers
    stp x2,x3,[sp,-16]!         // save  registers
    mov x3,0
1:                              // copy area unsorted to other area
    ldr x4,[x0,x3,lsl 3]
    str x4,[x1,x3,lsl 3]
    add x3,x3,1
    cmp x3,x2
    blt 1b
 
    mov x3,1                   // and sort area
2:
    ldr x4,[x1,x3,lsl 3]
    subs x5,x3,1
3:
    cbz x5,4f
    ldr x6,[x1,x5,lsl 3]
    cmp x6,x4
    ble 4f
    add x7,x5,1
    str x6,[x1,x7,lsl 3]
    subs x5,x5,1
    b 3b
4:
    add x5,x5,1
    str x4,[x1,x5,lsl 3]
    add x3,x3,1
    cmp x3,x2
    blt 2b
100:
    ldp x2,x3,[sp],16           // restaur  2 registers
    ldp x1,lr,[sp],16           // restaur  2 registers
    ret
/******************************************************************/
/*     Comparaison elements of two areas                          */ 
/******************************************************************/
/* x0 contains the address of area to sort  */
/* x1 contains the address of area sorted   */
/* x2 contains the number of element */
comparArea:
    stp x1,lr,[sp,-16]!         // save  registers
    stp x2,x3,[sp,-16]!         // save  registers
    mov x3,0
1:
    ldr x4,[x0,x3,lsl 3]        // load element area 1
    ldr x5,[x1,x3,lsl 3]        // load element area 2
    cmp x4,x5                   // equal ?
    bne 99f                     // no -> error
    add x3,x3,1                 // yes increment indice
    cmp x3,x2                   // maxi ?
    blt 1b                      // no -> loop
    mov x0,0                    // yes -> it is ok 
    b 100f
99:
    mov x0,1 
100:
    ldp x2,x3,[sp],16           // restaur  2 registers
    ldp x1,lr,[sp],16           // restaur  2 registers
    ret
 
 
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/merge_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_algorithms/Merge_sort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program merge_sort.s  */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeConstantesARM64.inc"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessSortOk:       .asciz "Table sorted.\n"
szMessSortNok:      .asciz "Table not sorted !!!!!.\n"
sMessResult:        .asciz "Value  : @ \n"
szCarriageReturn:   .asciz "\n"
 
.align 4
TableNumber:      .quad   1,3,11,6,2,5,9,10,8,4,7
#TableNumber:     .quad   10,9,8,7,6,-5,4,3,2,1
                 .equ NBELEMENTS, (. - TableNumber) / 8 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:       .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                              // entry of program 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,0                                       // first element
    mov x2,NBELEMENTS                              // number of élements 
    bl mergeSort
    ldr x0,qAdrTableNumber                         // address number table
    bl displayTable
 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,NBELEMENTS                              // number of élements 
    bl isSorted                                    // control sort
    cmp x0,1                                       // sorted ?
    beq 1f                                    
    ldr x0,qAdrszMessSortNok                       // no !! error sort
    bl affichageMess
    b 100f
1:                                                 // yes
    ldr x0,qAdrszMessSortOk
    bl affichageMess
100:                                               // standard end of the program 
    mov x0,0                                       // return code
    mov x8,EXIT                                    // request to exit program
    svc 0                                          // perform the system call
 
qAdrsZoneConv:            .quad sZoneConv
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
qAdrszMessSortOk:         .quad szMessSortOk
qAdrszMessSortNok:        .quad szMessSortNok
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!             // save  registers
    stp x3,x4,[sp,-16]!             // save  registers
    mov x2,0
    ldr x4,[x0,x2,lsl 3]
1:
    add x2,x2,1
    cmp x2,x1
    bge 99f
    ldr x3,[x0,x2, lsl 3]
    cmp x3,x4
    blt 98f
    mov x4,x3
    b 1b
98:
    mov x0,0                       // not sorted
    b 100f
99:
    mov x0,1                       // sorted
100:
    ldp x3,x4,[sp],16              // restaur  2 registers
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
/******************************************************************/
/*         merge                                              */ 
/******************************************************************/
/* r0 contains the address of table */
/* r1 contains first start index
/* r2 contains second start index */
/* r3 contains the last index   */ 
merge:
    stp x1,lr,[sp,-16]!        // save  registers
    stp x2,x3,[sp,-16]!        // save  registers
    stp x4,x5,[sp,-16]!        // save  registers
    stp x6,x7,[sp,-16]!        // save  registers
    str x8,[sp,-16]!
    mov x5,x2                  // init index x2->x5 
1:                             // begin loop first section
    ldr x6,[x0,x1,lsl 3]       // load value first section index r1
    ldr x7,[x0,x5,lsl 3]       // load value second section index r5
    cmp x6,x7
    ble 4f                     // <=  -> location first section OK
    str x7,[x0,x1,lsl 3]       // store value second section in first section
    add x8,x5,1
    cmp x8,x3                  // end second section ?
    ble 2f
    str x6,[x0,x5,lsl 3]
    b 4f                       // loop
2:                             // loop insert element part 1 into part 2
    sub x4,x8,1
    ldr x7,[x0,x8,lsl 3]       // load value 2
    cmp x6,x7                  // value < 
    bge 3f
    str x6,[x0,x4,lsl 3]       // store value 
    b 4f                       // loop
3:
    str x7,[x0,x4,lsl 3]       // store value 2
    add x8,x8,1
    cmp x8,x3                  // end second section ?
    ble 2b                     // no loop 
    sub x8,x8,1
    str x6,[x0,x8,lsl 3]       // store value 1
4:
    add x1,x1,1
    cmp x1,x2                  // end first section ?
    blt 1b
 
100:
    ldr x8,[sp],16             // restaur 1 register
    ldp x6,x7,[sp],16          // restaur  2 registers
    ldp x4,x5,[sp],16          // restaur  2 registers
    ldp x2,x3,[sp],16          // restaur  2 registers
    ldp x1,lr,[sp],16          // restaur  2 registers
    ret                        // return to address lr x30
/******************************************************************/
/*      merge sort                                                */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the index of first element */
/* x2 contains the number of element */
mergeSort:
    stp x3,lr,[sp,-16]!    // save  registers
    stp x4,x5,[sp,-16]!    // save  registers
    stp x6,x7,[sp,-16]!    // save  registers
    cmp x2,2               // end ?
    blt 100f
    lsr x4,x2,1            // number of element of each subset
    add x5,x4,1
    tst x2,#1              // odd ?
    csel x4,x5,x4,ne
    mov x5,x1              // save first element
    mov x6,x2              // save number of element
    mov x7,x4              // save number of element of each subset
    mov x2,x4
    bl mergeSort
    mov x1,x7              // restaur number of element of each subset
    mov x2,x6              // restaur  number of element
    sub x2,x2,x1
    mov x3,x5              // restaur first element
    add x1,x1,x3              // + 1
    bl mergeSort           // sort first subset
    mov x1,x5              // restaur first element
    mov x2,x7              // restaur number of element of each subset
    add x2,x2,x1
    mov x3,x6              // restaur  number of element
    add x3,x3,x1 
    sub x3,x3,1              // last index
    bl merge
100:
    ldp x6,x7,[sp],16          // restaur  2 registers
    ldp x4,x5,[sp],16          // restaur  2 registers
    ldp x3,lr,[sp],16          // restaur  2 registers
    ret                        // return to address lr x30
 
/******************************************************************/
/*      Display table elements                                */ 
/******************************************************************/
/* x0 contains the address of table */
displayTable:
    stp x1,lr,[sp,-16]!              // save  registers
    stp x2,x3,[sp,-16]!              // save  registers
    mov x2,x0                        // table address
    mov x3,0
1:                                   // loop display table
    ldr x0,[x2,x3,lsl 3]
    ldr x1,qAdrsZoneConv
    bl conversion10S                  // décimal conversion
    ldr x0,qAdrsMessResult
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc            // insert result at // character
    bl affichageMess                 // display message
    add x3,x3,1
    cmp x3,NBELEMENTS - 1
    ble 1b
    ldr x0,qAdrszCarriageReturn
    bl affichageMess
    mov x0,x2
100:
    ldp x2,x3,[sp],16               // restaur  2 registers
    ldp x1,lr,[sp],16               // restaur  2 registers
    ret                             // return to address lr x30
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"


================================================
FILE: sorters/pancake_sort.s
================================================
/* ===============================

   This program uses codes from Rosetta Code.
   See: https://rosettacode.org/wiki/Sorting_algorithms/Pancake_sort
   This code follows Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license.

   =============================== */

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program pancake_sort.s  */
 
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeConstantesARM64.inc"
 
/*********************************/
/* Initialized data              */
/*********************************/
.data
szMessSortOk:       .asciz "Table sorted.\n"
szMessSortNok:      .asciz "Table not sorted !!!!!.\n"
sMessResult:        .asciz "Value  : @ \n"
sMessCounter:       .asciz "sorted in  @ flips \n"
szCarriageReturn:   .asciz "\n"
 
.align 4
TableNumber:      .quad   1,3,11,6,2,-5,9,10,8,4,7
#TableNumber:     .quad   10,9,8,7,6,-5,4,3,2,1
                 .equ NBELEMENTS, (. - TableNumber) / 8 
/*********************************/
/* UnInitialized data            */
/*********************************/
.bss
sZoneConv:       .skip 24
/*********************************/
/*  code section                 */
/*********************************/
.text
.global main 
main:                                              // entry of program 
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,0                                       // first element
    mov x2,NBELEMENTS                              // number of élements 
    bl pancakeSort
    ldr x0,qAdrTableNumber                         // address number table
    bl displayTable
    mov x0,x10                                     // display counter
    ldr x1,qAdrsZoneConv
    bl conversion10S                               // décimal conversion
    ldr x0,qAdrsMessCounter
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc                          // insert result at @ character
    bl affichageMess                               // display message
    ldr x0,qAdrTableNumber                         // address number table
    mov x1,NBELEMENTS                              // number of élements 
    bl isSorted                                    // control sort
    cmp x0,1                                       // sorted ?
    beq 1f                                    
    ldr x0,qAdrszMessSortNok                       // no !! error sort
    bl affichageMess
    b 100f
1:                                                 // yes
    ldr x0,qAdrszMessSortOk
    bl affichageMess
100:                                               // standard end of the program 
    mov x0,0                                       // return code
    mov x8,EXIT                                    // request to exit program
    svc 0                                          // perform the system call
 
qAdrsZoneConv:            .quad sZoneConv
qAdrszCarriageReturn:     .quad szCarriageReturn
qAdrsMessResult:          .quad sMessResult
qAdrTableNumber:          .quad TableNumber
qAdrszMessSortOk:         .quad szMessSortOk
qAdrszMessSortNok:        .quad szMessSortNok
qAdrsMessCounter:         .quad sMessCounter
/******************************************************************/
/*     control sorted table                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains the number of elements  > 0  */
/* x0 return 0  if not sorted   1  if sorted */
isSorted:
    stp x2,lr,[sp,-16]!             // save  registers
    stp x3,x4,[sp,-16]!             // save  registers
    mov x2,0
    ldr x4,[x0,x2,lsl 3]
1:
    add x2,x2,1
    cmp x2,x1
    bge 99f
    ldr x3,[x0,x2, lsl 3]
    cmp x3,x4
    blt 98f
    mov x4,x3
    b 1b
98:
    mov x0,0                       // not sorted
    b 100f
99:
    mov x0,1                       // sorted
100:
    ldp x3,x4,[sp],16              // restaur  2 registers
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
 
/******************************************************************/
/*         flip                                                   */ 
/******************************************************************/
/* x0 contains the address of table */
/* x1 contains first start index
/* x2 contains the number of elements  */
/* x3 contains the position of flip   */ 
flip:
    //push {r1-r6,lr}             // save registers
    stp x1,lr,[sp,-16]!           // save  registers
    stp x2,x3,[sp,-16]!           // save  registers
    stp x4,x5,[sp,-16]!           // save  registers
    str x6,   [sp,-16]!           // save  registers
    add x10,x10,#1                // flips counter
    cmp x3,x2
    sub x4,x2,1
    csel x3,x4,x3,ge               // last index if position >= size
1:
    cmp x1,x3
    bge 100f
    ldr x5,[x0,x1,lsl 3]         // load value first  index 
    ldr x6,[x0,x3,lsl 3]         // load value posit
Download .txt
gitextract_eoup5y1n/

├── .github/
│   └── workflows/
│       └── directory_workflow.yml
├── CODE_OF_CONDUCT.md
├── CONTRIBUTING.md
├── DIRECTORY.md
├── LICENSE
├── README.md
├── misc/
│   ├── 2048.s
│   ├── hello_world.s
│   ├── josephus_problem.s
│   ├── perfect_numbers.s
│   ├── sha1.s
│   ├── sha256.s
│   └── y_combinator.s
├── sorters/
│   ├── bead_sort.s
│   ├── bogo_sort.s
│   ├── bubble_sort.s
│   ├── circle_sort.s
│   ├── cocktail_sort.s
│   ├── comb_sort.s
│   ├── counting_sort.s
│   ├── gnome_sort.s
│   ├── heap_sort.s
│   ├── insertion_sort.s
│   ├── jort_sort.s
│   ├── merge_sort.s
│   ├── pancake_sort.s
│   ├── patience_sort.s
│   ├── permutation_sort.s
│   ├── quick_sort.s
│   ├── radix_sort.s
│   ├── selection_sort.s
│   └── shell_sort.s
└── string/
    ├── append.s
    ├── comparison.s
    ├── concatenation.s
    ├── interpolation.s
    ├── length.s
    ├── matching.s
    ├── prepend.s
    ├── substring.s
    └── tokenize_string.s
Condensed preview — 41 files, each showing path, character count, and a content snippet. Download the .json file or copy for the full structured content (329K chars).
[
  {
    "path": ".github/workflows/directory_workflow.yml",
    "chars": 2889,
    "preview": "name: directory_md\non: [push, pull_request]\n\njobs:\n  MainSequence:\n    name: DIRECTORY.md\n    runs-on: ubuntu-latest\n   "
  },
  {
    "path": "CODE_OF_CONDUCT.md",
    "chars": 3349,
    "preview": "# Contributor Covenant Code of Conduct\n\n## Our Pledge\n\nIn the interest of fostering an open and welcoming environment, w"
  },
  {
    "path": "CONTRIBUTING.md",
    "chars": 587,
    "preview": "# Contributing\n\nWhen contributing to this repository, if your changes are subjective, controversial or people are likely"
  },
  {
    "path": "DIRECTORY.md",
    "chars": 3521,
    "preview": "# List of all files\n\n## Misc\n  * [2048](https://github.com/TheAlgorithms/AArch64_Assembly/blob/main/misc/2048.s)\n  * [He"
  },
  {
    "path": "LICENSE",
    "chars": 1071,
    "preview": "MIT License\n\nCopyright (c) 2021 The Algorithms\n\nPermission is hereby granted, free of charge, to any person obtaining a "
  },
  {
    "path": "README.md",
    "chars": 377,
    "preview": "# The Algorithms - AArch64_Assembly\nThis repository contains algorithms and data structures implemented in AArch64 Assem"
  },
  {
    "path": "misc/2048.s",
    "chars": 32059,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/2"
  },
  {
    "path": "misc/hello_world.s",
    "chars": 616,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/H"
  },
  {
    "path": "misc/josephus_problem.s",
    "chars": 7079,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/J"
  },
  {
    "path": "misc/perfect_numbers.s",
    "chars": 8981,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/P"
  },
  {
    "path": "misc/sha1.s",
    "chars": 13159,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "misc/sha256.s",
    "chars": 14831,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "misc/y_combinator.s",
    "chars": 12567,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/Y"
  },
  {
    "path": "sorters/bead_sort.s",
    "chars": 8647,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/bogo_sort.s",
    "chars": 7240,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/bubble_sort.s",
    "chars": 6931,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/circle_sort.s",
    "chars": 7829,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/cocktail_sort.s",
    "chars": 7376,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/comb_sort.s",
    "chars": 7161,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/counting_sort.s",
    "chars": 8884,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/gnome_sort.s",
    "chars": 6796,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/heap_sort.s",
    "chars": 9165,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/insertion_sort.s",
    "chars": 6811,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/jort_sort.s",
    "chars": 4774,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/J"
  },
  {
    "path": "sorters/merge_sort.s",
    "chars": 8856,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/pancake_sort.s",
    "chars": 9183,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/patience_sort.s",
    "chars": 14827,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/permutation_sort.s",
    "chars": 10391,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/quick_sort.s",
    "chars": 8270,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/radix_sort.s",
    "chars": 7202,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/selection_sort.s",
    "chars": 6963,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "sorters/shell_sort.s",
    "chars": 7378,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "string/append.s",
    "chars": 3761,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "string/comparison.s",
    "chars": 5996,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "string/concatenation.s",
    "chars": 2613,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "string/interpolation.s",
    "chars": 12227,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "string/length.s",
    "chars": 3392,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "string/matching.s",
    "chars": 10496,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "string/prepend.s",
    "chars": 5198,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "string/substring.s",
    "chars": 12542,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/S"
  },
  {
    "path": "string/tokenize_string.s",
    "chars": 6161,
    "preview": "/* ===============================\n\n   This program uses codes from Rosetta Code.\n   See: https://rosettacode.org/wiki/T"
  }
]

About this extraction

This page contains the full source code of the TheAlgorithms/AArch64_Assembly GitHub repository, extracted and formatted as plain text for AI agents and large language models (LLMs). The extraction includes 41 files (310.7 KB), approximately 83.5k tokens. Use this with OpenClaw, Claude, ChatGPT, Cursor, Windsurf, or any other AI tool that accepts text input. You can copy the full output to your clipboard or download it as a .txt file.

Extracted by GitExtract — free GitHub repo to text converter for AI. Built by Nikandr Surkov.

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