| Tool | Function | | :--- | :--- | | cc65 | : Converts C source code into assembly language for 6502 targets. | | ca65 | Macro assembler : The companion assembler for the compiler, but can also be used standalone. | | ld65 | Linker : Combines object files into a final executable, highly configurable via custom config files. | | ar65 | Archiver : Creates and maintains libraries ( .lib ) of object files. | | cl65 | Compile & Link utility : A smart front‑end that calls cc65 , ca65 , and ld65 in the correct order. | | sim65 | 6502/65C02 simulator : Allows testing of target‑independent code without real hardware. | | da65 | Disassembler : Converts binary data back into ca65 ‑compatible assembly source. | | sp65 | Sprite/bitmap utility : Converts graphics (e.g., PNG, GIF) into formats usable by target systems. | | grc65 | GEOS resource compiler : Creates headers and menus for the GEOS operating system (Commodore 64). | | co65 | Object conversion : Converts old o65 object files to the cc65 format. | | od65 | Object dump : Displays the contents of object files in a readable form. | | chrcvt65 | Vector font converter : Converts fonts to the native format. |
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