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cc65 - a freeware C compiler for 6502 based systems
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nyanpasu64 f36b9b544d Fix segfault on 64-bit LLP64 Windows builds 
There are many occurrences of unsigned long in codegen.h's function
arguments. Changing g_getimmed and g_defdata makes `make` succeed
without segfaulting. I don't know if it makes cc65 behave correctly in
all cases, or if there are more unsigned long that need to be changed.
2022-03-06 14:47:51 -08:00
.github/workflows Made the snapshot-on-push Github action run on only the upstream repository. 2022-02-17 00:30:31 -05:00
asminc Fix some commonly made spelling errors in comments. 2022-02-21 15:44:31 -05:00
cfg Corrected size of BASROM definition 2022-03-03 12:06:15 -06:00
doc Minor updates 2022-03-04 06:23:06 -06:00
include Mark index 0 as TRANSPARENT. Let palette start from index 1 2022-02-24 08:50:36 +02:00
libsrc Fix black index in tgi_colors.s 2022-02-25 16:00:03 +02:00
samples Minor updates 2022-03-04 06:23:06 -06:00
src Fix segfault on 64-bit LLP64 Windows builds 2022-03-06 14:47:51 -08:00
targettest Merge pull request #1685 from jefftranter/fix-typos 2022-02-22 13:01:38 +01:00
test Fixed signed long comparisons with smaller unsigned types. 2022-03-03 20:24:14 +08:00
util attempt to prevent utils being compiled with cc65 2022-02-11 16:53:34 +01:00
.gitattributes Added .gitattributes to force LF line endings on commit. 2017-03-12 18:13:18 +01:00
.gitignore Don't ignore more than necessary. 2016-06-01 22:36:38 +02:00
.travis.yml Don 2021-09-29 14:48:09 +02:00
LICENSE Simplified license. 2015-05-05 21:56:23 +02:00
Makefile utils before samples 2022-02-05 17:44:46 +01:00
Makefile.travis The doc now lives in the 'master' branch of the 'doc' project. 2018-09-18 23:39:11 +02:00
README.md Add link to DEB and RPM snapshots 2022-02-15 22:16:06 +01:00

README.md

Windows Snapshot

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cc65 is a complete cross development package for 65(C)02 systems, including a powerful macro assembler, a C compiler, linker, librarian and several other tools.

cc65 has C and runtime library support for many of the old 6502 machines, including

  • the following Commodore machines:
    • VIC20
    • C16/C116 and Plus/4
    • C64
    • C128
    • CBM 510 (aka P500)
    • the 600/700 family
    • newer PET machines (not 2001).
  • the Apple ][+ and successors.
  • the Atari 8-bit machines.
  • the Atari 2600 console.
  • the Atari 5200 console.
  • GEOS for the C64, C128 and Apple //e.
  • the Bit Corporation Gamate console.
  • the NEC PC-Engine (aka TurboGrafx-16) console.
  • the Nintendo Entertainment System (NES) console.
  • the Watara Supervision console.
  • the VTech Creativision console.
  • the Oric Atmos.
  • the Oric Telestrat.
  • the Lynx console.
  • the Ohio Scientific Challenger 1P.
  • the Commander X16.
  • the Synertek Systems Sym-1.

The libraries are fairly portable, so creating a version for other 6502s shouldn't be too much work.