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cc65 - a freeware C compiler for 6502 based systems
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bbbradsmith 0081fe548c sim64 universal 64-bit cycle count support: 
MaxCycleCount is accounted by countdown, eliminating the 1-instruction-overhead issue, and removing the need to compare against a growing TotalCycles.
Makes main.c responsible for counting total cycles, instead of 6502.c, so the size of MaxCycleCount etc. is fully determined in one location.
Makes error.c responsible for PrintCycles instead of paravirt.c, so that it can be treated globally instead of
Return value of main() should be SIM65_ERROR because it is unreachable by design.
2023-05-07 16:26:42 -04:00
.github make the commit message a url, also check if it really doesnt fail when there is nothing to commit 2023-05-04 22:09:22 +02:00
asminc Add KIM-1 functions to write to the 7-segment LED display and get 2023-03-29 18:40:10 -04:00
cfg Merge branch 'cc65:master' into kim1 2022-09-19 20:03:23 +02:00
doc tweak 2023-05-04 22:21:36 +02:00
include fix copy'n'paste typo 2023-04-04 00:40:33 +02:00
libsrc Add KIM-1 functions to write to the 7-segment LED display and get 2023-03-29 18:40:10 -04:00
samples Add KIM-1 functions to write to the 7-segment LED display and get 2023-03-29 18:40:10 -04:00
src sim64 universal 64-bit cycle count support: 2023-05-07 16:26:42 -04:00
targettest Rename sound to _sound. 2023-01-10 11:16:36 -08:00
test sim65: cycles does not increment 1 at a time, so some small overhead is needed in range check 2023-05-06 13:54:28 -04:00
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
Contributing.md Update Contributing.md 2023-05-04 09:18:33 +02:00
LICENSE Simplified license. 2015-05-05 21:56:23 +02:00
Makefile rename the actual checkstyle target too :) 2022-05-17 14:39:35 +02:00
Makefile.travis The doc now lives in the 'master' branch of the 'doc' project. 2018-09-18 23:39:11 +02:00
README.md fix typo in README.md 2023-04-04 00:57:52 +02:00

README.md

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.

People

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

Contact

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 libera.chat

Documentation

  • 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.

Downloads

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