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cc65 - a freeware C compiler for 6502 based systems
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Colin Leroy-Mira 8a140e6503 Conio: 65c02 optimisations 
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vcprintf: -6 cycles per char
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README.md

About cc65

cc65 is a complete cross development package for 65(C)02 systems, including a powerful macro assembler, a C compiler, linker, archiver and several other tools. cc65 has C and runtime library support for many of the old 6502 machines. For details look at the Website.

People

Core team members:

External contributors:

(The above list is incomplete, if you feel left out - please speak up or add yourself in a PR)

For a complete list look at the full team list or the list of all contributors

Contact

For general discussion, questions, etc subscribe to the mailing list or use the github discussions.

Some of us may also be around on IRC #cc65 on libera.chat

Documentation

  • The main Documentation for users and developers

  • Info on Contributing to the CC65 project. Please read this before working on something you want to contribute, and before reporting bugs.

  • The Wiki contains some extra info that does not fit into the regular documentation.

Downloads

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