68000

SGDK - A free and open development kit for the Sega Mega Drive

A latency-hating emulator of 8- and 16-bit platforms: the Acorn Electron, Amstrad CPC, Apple II/II+/IIe and early Macintosh, Atari 2600 and ST, ColecoVision, Enterprise 64/128, Commodore Vic-20 and Amiga, MSX 1, Oric 1/Atmos, Sega Master System, Sinclair ZX80/81 and ZX Spectrum.

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

PCM Hammer & PCM Logger, tools for General Motors Powertrain Control Modules (PCMs).

Complete package of AmiBlitz3 including all sources.

Free open-source compressor for apLib with 5-7% better ratios

A language-agnostic JSON-encoded instruction-by-instruction test suite for the 65[c]02, 65816, 68000 and SPC700 that includes bus activity.

A collection of development tools targetting SEGA's SVP chip found in the Mega Drive/Genesis version of Virtua Racing.

FreeBee - AT&T 3B1 / 7300 UNIX PC emulator

A short casual adventure game for the Sega Genesis written in 68000 assembly

volksFORTH is a 16bit Forth System maintained by the German Forth Gesellschaft e.V.

Sound driver for Sega Mega Drive

Multi-system, pure JavaScript (& a little AssemblyScript) emulator, with great accuracy and speed. Currently some SNES, NES, GameBoy, Master System, ZX Spectrum, and GameGear support

Assorted compression formats for the Sega Mega Drive

rom hack for Arcade mame mess sfc snes sega md neogeo romhacking

A Sega Mega Drive/Sega Genesis emulator that is written in C89.

An emulator for various m68k and z80 based computers, written in Rust. Currently it has support for the Sega Genesis, TRS-80, and Computie (my own project), with Macintosh support in the works

68000 assembly tutorials for Atari ST by perihelion of poSTmortem

Library for creating Atari ST software

Super fast DMA queue for the Sega Genesis