68k GitHub Repositories

Official repository of the Sega Model 3 arcade emulator.

A basic Mastodon client for Classic Mac OS

Cycle accurate Mega Drive emulator

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

Sega Mega Drive/Sega Genesis emulator that emphasises portability.

NeXTROM

Powerful macro (cross) assembler package for several CPUs

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

Motorola 68000 assembler, clone of SN 68k (A.K.A. asm68k).

Over 250 part numbers, premade PDF's & Gimp Files 74/4000 Logic/PIC/AVR/68k/6502/z80 and more.

A collection of 68k computer projects, including a unix-like operating system written in C that runs on them

NeXTSrc

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

This repository contains my efforts to create an "idiot proof bare metal m68k cross compiler toolchain of sorts."

"Frontier: Elite 2" renderer & audio reverse engineered. Runs on Amigas with RTG. Also comes with SDL bindings so it can be run on PC.

Assorted compression formats for the Sega Mega Drive

Fixed-point math library (integer / no FPU) for embedded C. Trig, log/exp, sqrt, 2D transforms, wave generators, ADSR and variable radix support. ~4.5 KB

MC68030 based expandable computer design

Super fast DMA queue for the Sega Genesis

many of ida pro idb database for game hacking and reverse analysis engineering.good luck.

NexTMach

Sega Genesis / Mega Drive disassembler and splitter written in Golang

A unix-like operating system written in C for retro computers

Motorola 68000 interpreter, disassembler and assembler (code emitter)

build a toolchain for cross developement. Supports motorola m68k-elf, avr and arm-none-eabi

Macintosh ROM file template for Hex Fiend

The full source code for Sonic ERaZor, a two-times contest-winning ROM hack of the first ever Sonic the Hedgehog™ game from 1991 on the Sega Mega Drive.

Amiga examples in 68K assembler and C.

com-cpm: COM, a CP/M-80 simulator (in portable C and 68000 assembly flavors) by Jim Cathey

Development ressources for Old World Macintosh (68k and NuBus PPC) and a few related things…