Welcome to 6502.org!  Projects  Code  Resources  Tools  Forum
6502.org is a resource for people interested in building hardware or writing software for the 6502 microprocessor and its relatives.

We continually strive to remain the largest and most complete source for 6502-related information in the world. This includes everything from articles and project descriptions to schematics and source code.

If you have anything to contribute, whether in electronic form or otherwise, please . This site was built on visitor contributions and we need your help to keep growing!

>  News and Site Updates
  Find out what's new or changed on 6502.org.
>  Homebuilt Projects on the Web
  Check out over thirty homemade computers based on the 6502 microprocessor documented on the web. Most include schematics, source code, and pictures! Also find some HDL cores for your FPGA projects, and some software packages.
>  Source Code Repository
  A repository for software programs and useful subroutines written in 6502 assembly language.
>  Hardware Mini-Projects
  Learn how to interface hardware with your 6502 project through examples with schematics and source code.
>  Documents Archive
  The Documents Archive houses documentation archived in electronic form that is available for download. This includes original datasheets for almost any 6500 family part, applications notes, hardware manuals, and other materials.
>  Newsletters and Magazines
  A collection of early publications from the heyday of the 6502 is available inside the Documents Archive.
>  Tutorials and Primers
  Lessons and step-by-step instructions for various tasks, tips and tricks, and reference material for developers.
>  Books for the 6502 Fanatic
  If you're running to your local library for books, check out this list of must-read titles for the 6502 fanatic.
>  Commercial Support for the 6502
  Distributors of 65xx chips, commercial development tools, trade magazines, and other commercial links useful to the 6502 enthusiast.
>  Development Tools, Emulators and test suites
  Modern 6502 software is almost always cross-developed on a PC or workstation platform. Here you will find public domain and shareware assemblers, disassemblers, compilers, and optimizers for cross-development of 6502 programs, and also emulators and test suites.
>  Discussion Groups
  Several free message boards and e-mail lists exist for 6502 enthusiasts, including our own message board for communication between 6502.org users, discussions of our projects, and talking about anything 6502 related.
>  Simple Microcomputers and Trainers
  Information and links supporting simple commercial and first generation 6502 computers and trainers, including classics like the MOS KIM-1 and modern EPE Microlab.
• News and Site Updates
• Homebuilt Projects
• Source Code Repository
• Hardware Mini-Projects
• Documents Archive
• Newsletters and Magazines
• Tutorials and Primers
• Book List
• Commercial Support
• Development Tools
• Discussion Groups
• Microcomputers & Trainers
• André Fachat's 8-bit Pages
• Dallas Shell's SYM-1 Pages
• Dieter Müeller's TTL CPU Pages
• Garth Wilson's Projects
• Steve Gray's CBM Pages
• Commodore PET Index
• Commodore Documents