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cc65 - a freeware C compiler for 6502 based systems
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acqn f59c2a08d9 Added support for changing multiplications with certain negative multipliers into bit-shifts. Only enable certain kinds of signed mul replacements with shift according to the code size factor settings.
2020-08-21 23:16:17 +02:00
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doc Clarify docs that bss is zero-initialized 2020-08-19 13:24:15 +02:00
include Guarded the static_assert macro with a C standards test. 2020-08-21 15:15:19 -04:00
libsrc Move comment block as requested 2020-07-24 15:24:28 -04:00
samples
src Added support for changing multiplications with certain negative multipliers into bit-shifts. Only enable certain kinds of signed mul replacements with shift according to the code size factor settings. 2020-08-21 23:16:17 +02:00
test remove unneeded rule 2020-08-19 22:33:10 +02:00
testcode make it actually compile again :) 2020-08-14 21:07:39 +02:00
util Removed unnecessary tool. 2020-07-19 13:16:29 +02:00
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.travis.yml Fixed Windows path notation. 2020-08-02 17:49:18 +02:00
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Makefile Added test target. 2020-07-22 23:27:04 +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 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 libraries are fairly portable, so creating a version for other 6502s shouldn't be too much work.