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cc65 - a freeware C compiler for 6502 based systems
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greg-king5 ac17751699 Merge pull request #326 from dmlloyd/master 
Add missing WDC instructions
2016-07-29 13:09:15 -04:00
asminc
cfg
doc sim65: add command line parameter to print number of CPU cycles at exit 2016-07-05 17:07:39 +02:00
include Implement exec() for Atari XDOS. 2016-06-13 20:40:01 +02:00
libsrc Used more mundane addressing in some of the instructions in "zlib/inflatemem.s". 2016-07-19 10:42:49 -04:00
samples Made the samples Makefile run cl65 only when we want a disk image. 2016-07-03 02:23:59 -04:00
src Add missing WDC instructions 2016-07-28 11:55:25 -05:00
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Makefile Allow to build samples from the main Makefile. 2016-06-12 23:30:29 +02:00
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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 5200 console.
  • GEOS for the C64, C128 and Apple //e.
  • the Bit Corporation Gamate console.
  • the NEC PC-Engine (aka TurboGrafx-16).
  • the Nintendo Entertainment System (NES) console.
  • the Watara Supervision console.
  • the Oric Atmos.
  • the Lynx console.
  • the Ohio Scientific Challenger 1P.

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