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cc65 - a freeware C compiler for 6502 based systems
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Oliver Schmidt 673b27cc1b Added empty IRQ backend. 
The driver kernels all require IRQ handling even if the actual drivers don't make use of it. So in order to successfully link a NES program using the joystick and/or TGI driver there has to be at least a "dummy" IRQ backend.
2015-07-22 11:36:54 +02:00
asminc Create static drivers directly from source files. 2014-06-04 23:50:18 +02:00
cfg More room by default for zero-page data. 2015-03-23 18:42:25 +01:00
doc Added .DEFINEDMACRO psuedo function 2015-06-27 01:39:11 -04:00
include Added explicit settings of calling conventions in pointer-to-function declarations in system and library headers. 2015-06-22 00:15:48 -04:00
libsrc Added empty IRQ backend. 2015-07-22 11:36:54 +02:00
samples Merge pull request #179 from greg-king5/overlay 2015-07-20 18:00:56 +02:00
src Fix base 10 bug (ca65 allows 'a' or 'A' in base10 value) 2015-07-19 18:56:42 -04:00
test Merge branch 'pointer' of https://github.com/mrdudz/cc65 into mrdudz-pointer 2015-07-15 12:24:09 +02:00
testcode Added a test program for the special features of snprintf(). 2015-07-17 20:34:05 -04:00
util Changed multi-line C comments into another style. 2014-06-30 16:51:07 -04:00
.gitignore use 'testwrk' dir for bdiff 2014-11-25 12:56:45 +01:00
.travis.yml Run the regression tests _before_ replacing the built binaries with Win32 cross-builds. 2015-06-27 00:43:41 +02:00
LICENSE Simplified license. 2015-05-05 21:56:23 +02:00
Makefile Create zip file. 2014-03-09 00:20:17 +01:00
Makefile.travis Fixed file name of Windows binary snapshot. 2015-01-20 21:00:44 +01:00
README.md Added Challenger 1P to list of supported machines. 2015-02-11 19:14:13 +01:00

README.md

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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 Nintendo Entertainment System (NES) console.
  • the 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.