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cc65 - a freeware C compiler for 6502 based systems
6,128 Commits 3 Branches 14 Tags 438 MiB
C 62.3%
Assembly 35.8%
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Oliver Schmidt d6c3bd29ac Renamed JUMPTABLE and cleaned up module.cfg. 
This change was suppsed to fix the issue that the former JUMPTABLE is merked as 'ro' while it is actually written to in several scenarios. When drivers are converted using co65 and then compiled into ROMs the JUMPTABLE isn't copied to RAM and therefore the write operations in question fail.

However unfortunately I didn't succeed in changing that :-( Just setting the former JUMPTABLE to 'rw' broke the drivers. So I placed the DATA segment directly after the former JUMPTABLE segment. This made the drivers converted with co65 work again - obviously after changing libsrc/Makefile:235 from '--code-label' to '--data-label'. But the actual dynamic drivers still didn't work as the former JUMPTABLE wasn't placed as the beginning of the loaded file anymore. That effect could be changed by exchanging src/ld65/o65.c:1391 with src/ld65/o65.c:1394 but doing so broke the drivers again :-((
2014-05-01 21:44:39 +02:00
asminc Added command-line argument parsing to the CBM510 and CBM610 targets. 2014-04-03 08:23:28 -04:00
cfg Renamed JUMPTABLE and cleaned up module.cfg. 2014-05-01 21:44:39 +02:00
doc Avoided makeinfo warnings when Travis CI runs LinuxDoc Tools. 2014-04-25 05:04:03 -04:00
include Classified tgi_imulround() as part of TGI API. 2014-03-27 19:31:18 +01:00
libsrc Renamed JUMPTABLE and cleaned up module.cfg. 2014-05-01 21:44:39 +02:00
samples Added sample descriptions. 2014-04-28 22:14:27 +02:00
src Fix error which slipped in in '-L' command line parameter handling. 2014-03-28 22:40:53 +01:00
testcode Harmonized usage of "KB" and "cc65". 2014-03-30 22:10:37 +02:00
util Moved ca65html out of the src directory. 2014-01-31 22:27:40 +01:00
.gitignore Added info directory. 2014-03-24 15:25:12 +02:00
.travis.yml Removed references to $TRAVIS from Makefiles. 2014-03-16 21:32:18 +01:00
LICENSE Added "the usual suspects". 2013-03-21 22:23:38 +01:00
Makefile Create zip file. 2014-03-09 00:20:17 +01:00
Makefile.gh-pages Replaced date with Git hash. 2014-03-18 22:41:32 +01:00
README.md Added explicit wiki link. 2014-03-27 22:53:06 +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.
  • GEOS for the C64 and C128.
  • the Nintendo Entertainment System (NES).
  • the Supervision console.
  • the Oric Atmos.
  • the Lynx console.

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