8bit topic
fxmasm
The assembler / disassembler for the FXM data used in Fuxoft AY music on ZX spectrum 128. With format specs and song examples.
cc65-Chess
Portable chess game in C. Commodore 64, Apple 2, Atari, Oric, Commander X16, curses terminal, etc.
c128-mmu-256k-exp
C128 MMU 256K RAM expansion
sg1000
A homebrew Sega SG-1000, with an eye towards SC-3000 compatibility
herring-6502
Modular 8-bit computer designed around the 65C02 CPU and supporting I/O chips
ccpu-cc
A C11 compiler for the discrete logic computer
ultimate64
Rust library for interfacing with Ultimate-64 and Ultimate-II+
c64adventures
Adventures into retro 8 bit Commodore 64 programming
d80
Intel 8080/Zilog Z80 disassembler written in D.