Install cc65 by entering the following commands in the terminal:
sudo apt update sudo apt install cc65
Description:
complete cross development package for 65(C)02 systems
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
Homepage: http://cc65.github.io/cc65/
Version: 2.16-2
Section: universe/otherosfs