Assembly 6502

Open-source Assembly projects categorized as 6502
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Top 23 Assembly 6502 Projects

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  1. elite-source-code-bbc-micro-cassette

    Fully documented source code for the cassette version of the classic game Elite on the BBC Micro

  2. AppSignal

    AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.

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  3. elite-source-code-commodore-64

    Fully documented source code for the classic game Elite on the Commodore 64

  4. elite-source-code-nes

    Fully documented source code for the classic game Elite on the Nintendo Entertainment System (NES)

  5. a2d

    Disassembly of the Apple II Desktop - ProDOS GUI

  6. appler

    Apple ][ emulator for MS-DOS, written in 8088 assembly

  7. lng-fds

    Famicom Disk System port of LUnix Next Generation

  8. nes86

    x86 emulation on the NES

  9. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo

  10. hbc-56

    Homebrew 65C02 computer on a backplane

  11. nes-contra-us

    An annotated disassembly with supplemental materials of the Contra (US) and Probotector NES game.

  12. PLASMA

    Proto Language AsSeMbler for All (formerly Apple) (by dschmenk)

  13. 6502bench

    A workbench for developing 6502 code.

  14. 6502

    DB6502: 65C02 based computer inspired by BE6502 (by dbuchwald)

  15. supermon64

    Original sources and binaries for Supermon+64 V1.2 by Jim Butterfield

  16. super-tilt-bro

    NES homebrew inspired by Super Smash Bros

  17. milliForth-6502

    The smallest Forth real programming language for 6502. Based in milliForth for x86.

  18. c64-elite-flicker-free

    A patch for Commodore 64 and Plus/4 Elite that removes the flicker

  19. TaliForth2

    A Subroutine Threaded Code (STC) ANS-like Forth for the 65c02

  20. abn6502

    Solving the global IC shortage by reusing old stuff!

  21. 8Blit

    Episode source code for the 8-bit Atari 2600 / VCS / Video Computer System, one of the pioneering home gaming consoles.

  22. the-sentinel-source-code-bbc-micro

    Fully documented source code for the classic game The Sentinel on the BBC Micro

    Project mention: Documented source code for The Sentinel on the BBC Micro | news.ycombinator.com | 2026-01-02

  23. Disassemblies

    Various reverse engineered source code

    Project mention: Reverse Engineering Raiders of the Lost Ark for the Atari 2600 | news.ycombinator.com | 2026-02-08

    One of the authors, Dennis Debro, has done a bunch more of these: https://github.com/DNSDEBRO/Disassemblies

  24. revs-source-code-bbc-micro

    Fully documented source code for the classic game Revs on the BBC Micro

  25. elite-source-code-6502-second-processor

    Fully documented source code for the classic game Elite on the BBC Micro with a 6502 Second Processor

  26. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

What are some of the best open-source 6502 projects in Assembly? This list will help you:

# Project Stars
1 elite-source-code-bbc-micro-cassette 488
2 elite-source-code-commodore-64 470
3 elite-source-code-nes 406
4 a2d 323
5 appler 297
6 lng-fds 279
7 nes86 239
8 hbc-56 234
9 nes-contra-us 231
10 PLASMA 216
11 6502bench 212
12 6502 176
13 supermon64 164
14 super-tilt-bro 156
15 milliForth-6502 117
16 c64-elite-flicker-free 95
17 TaliForth2 94
18 abn6502 94
19 8Blit 59
20 the-sentinel-source-code-bbc-micro 55
21 Disassemblies 52
22 revs-source-code-bbc-micro 41
23 elite-source-code-6502-second-processor 40

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Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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