All CPU and MCU documentation in one place

OS for z80 calculators

Gameboy emulator in Java 8.

The development kit for over a hundred z80 family machines - c compiler, assembler, linker, libraries.

Disassembly of Legend of Zelda: Links Awakening DX

Z80 open-source silicon clone. Goal is to become a silicon proven, pin compatible, open-source replacement for classic Z80.

An Operating System for Z80 computers, written in assembly

Highly portable Zilog Z80 CPU emulator written in ANSI C

RunCPM is a multi-platform, portable, Z80 CP/M 2.2 emulator.

Ted Fried's MicroCore Labs Projects which include microsequencer-based FPGA cores and emulators for the 8088, 8086, 8051, 6502, 68000, Z80, Risc-V, and also Typewriter and EPROM Emulator projects. MCL51, MCL64, MCL65, MCL65+, MCL68, MCL86, MCL86+, MCL86jr, MCLR5, MCLZ8, MCL6809

Command-line cross-compiler of assembly language for Z80 CPU.

System Software for Z80/Z180/Z280 Computers

A Galaga, Pac-Man and Donkey Kong arcade emulator for the ESP32

Mega Drive/Genesis core written in Verilog

Kernel for z80 calculators

Open source development for Neo-Geo

Official repository of the Sega Model 3 arcade emulator.

Sega Master System / Game Gear / SG-1000 emulator and debugger for macOS, Windows, Linux, BSD and RetroArch.

Millfork: a middle-level programming language targeting 6502- and Z80-based microcomputers and home consoles

Byte-aligned, efficient lossless packer that is optimized for fast decompression on 8-bit micros