cc65 - a freeware C compiler for 6502 based systems
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Bob Andrews 5537b61e6a
Merge pull request #2272 from acqn/Diagnostics
[cc65] Improved diagnostics
2023-11-28 15:06:39 +01:00
.github Upload 64-bit Windows snapshot to Sourceforge 2023-11-06 21:36:58 -05:00
asminc style update and add rp6502 doc 2023-11-17 11:08:51 -08:00
cfg style update and add rp6502 doc 2023-11-17 11:08:51 -08:00
doc Merge pull request #2268 from picocomputer/master 2023-11-27 17:53:43 +01:00
include style update and add rp6502 doc 2023-11-17 11:08:51 -08:00
libsrc style update 2023-11-26 15:12:20 -08:00
samples Add KIM-1 functions to write to the 7-segment LED display and get 2023-03-29 18:40:10 -04:00
src Merge pull request #2272 from acqn/Diagnostics 2023-11-28 15:06:39 +01:00
targettest Rename sound to _sound. 2023-01-10 11:16:36 -08:00
test Merge pull request #2272 from acqn/Diagnostics 2023-11-28 15:06:39 +01:00
util Merge pull request #1871 from clbr/da816 2022-12-30 15:34:40 +01:00
.editorconfig Fixed EOL settings (LF vs CRLF) for Visual Studio. 2023-10-11 23:57:45 +08:00
.gitattributes Added .gitattributes to force LF line endings on commit. 2017-03-12 18:13:18 +01:00
.gitignore Ignore executables in util directory 2022-04-03 00:02:00 +02:00
.travis.yml Don 2021-09-29 14:48:09 +02:00 Re-introduce necessary comments, wit a clearer wording 2023-10-03 18:35:23 +02:00
LICENSE Simplified license. 2015-05-05 21:56:23 +02:00
Makefile libtest target alternative to libs 2023-05-05 21:56:52 -04:00
Makefile.travis The doc now lives in the 'master' branch of the 'doc' project. 2018-09-18 23:39:11 +02:00 mention in readme 2023-11-06 21:53:14 -05:00

About cc65

cc65 is a complete cross development package for 65(C)02 systems, including a powerful macro assembler, a C compiler, linker, archiver and several other tools. cc65 has C and runtime library support for many of the old 6502 machines. For details look at the Website.


Project founder:

  • Ullrich von Bassewitz

Core team members:

External contributors:

(The above list is incomplete, if you feel left out - please speak up or add yourself in a PR)

For a complete list look at the full team list or the list of all contributors


For general discussion, questions, etc subscribe to the mailing list or use the github discussions.

Some of us may also be around on IRC #cc65 on


  • The main Documentation for users and developers

  • Info on Contributing to the CC65 project. Please read this before working on something you want to contribute, and before reporting bugs.

  • The Wiki contains some extra info that does not fit into the regular documentation.


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