1. tssChiptune Sound Library - T'SoundSystem
2. cp-mega88CP/M running on AVR ATmega88 with i8080 emulation
3. mc6502Cycle accurate MC6502 compatible processor in Verilog.
4. jvsioAn Arduino library to handle JVS - JAMMA Video Standard - Bus v3
5. SoundCortexA firmware that makes your microcomputer work as a historical sound chip