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cc65 - a freeware C compiler for 6502 based systems
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6637e28831
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Gabriele Gorla 6637e28831 saves 2 bytes in the standard c64 joystick driver 
remove redundant code and add jmp to the common sequence
two more bytes could be saved at the expense of longer sequence with interrupts disabled by moving sei/cli
2021-11-23 21:34:49 +01:00
asminc Moved Creativision's playsound() into a separate file. 2021-06-11 07:43:25 -04:00
cfg Fixed the ld65 configure files for the cx16 platform. 2021-02-21 14:02:49 -05:00
doc Added hint on clock(). 2021-11-21 22:56:02 +01:00
include stdio.inc,stdio.h: set CBM PATH_MAX/FILENAME_MAX value to 255 2021-06-10 20:08:58 +02:00
libsrc saves 2 bytes in the standard c64 joystick driver 2021-11-23 21:34:49 +01:00
samples move samples that only work for a specific target into subdirs named the same as the target 2021-10-23 01:18:17 +02:00
src Fixed crash in Opt_a_toscmpbool caused by wrong order of condition checks. 2021-09-28 17:02:37 +02:00
targettest targettest/atari/ostype.c: remove warnings 2021-10-05 19:19:54 +02:00
test added test related to issue #1552 fixed in pr #1571 2021-09-28 18:55:23 +02:00
util Removed unnecessary tool. 2020-07-19 13:16:29 +02:00
.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 Added test target. 2020-07-22 23:27:04 +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 travis-ci.org -> travis-ci.com 2021-09-29 10:37:44 +02:00

README.md

Windows Snapshot

Documentation

Wiki

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