cc65 - a freeware C compiler for 6502 based systems
Go to file
Colin Leroy-Mira 4ff917816e Apple2: Always copy cmdline
Otherwise, the last exec() cmdline lingers around for the next exec("file", NULL).
2023-09-29 10:51:53 +02:00
.github remove workflow comments this obsoletes 2023-05-08 21:22:18 -04:00
asminc cx16: use KERNAL memsiz for MEMSIZE in asminc/ 2023-06-15 21:30:26 -04:00
cfg undo change of INIT to bss for configurations that were also using rw to reserve space, add a comment documenting the reason 2023-09-05 00:24:18 -04:00
doc Update funcref cx16 2023-09-22 16:43:03 +02:00
include Added semicolon 2023-09-17 22:57:42 +02:00
libsrc Apple2: Always copy cmdline 2023-09-29 10:51:53 +02:00
samples Add KIM-1 functions to write to the 7-segment LED display and get 2023-03-29 18:40:10 -04:00
src Fixed check for conflicting extern vs no-linkage/static declarations in functions. 2023-09-17 23:47:22 +08:00
targettest Rename sound to _sound. 2023-01-10 11:16:36 -08:00
test Fixed check for conflicting extern vs no-linkage/static declarations in functions. 2023-09-17 23:47:22 +08:00
util Merge pull request #1871 from clbr/da816 2022-12-30 15:34:40 +01:00
.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 Update 2023-05-04 09:18:33 +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 Update 2023-09-06 14:47:14 +02:00

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.


Snapshot Build