A custom BIOS for Dreamcast power users and developers

A 3D software renderer with a simple API.

Exploit to allow loading arbitrary code on the PSX using only a memory card (no game needed)

m68k/65c816/6502 emulator framework in Odin

Tools for examining and creating DCS pinball audio ROMs

Overview of the Calypsi tool chain and open source support packages

Arcade JAMMA Adapters

A replacement engine for Ultima VII The Black Gate (and eventually Serpent Isle) that presents a new camera angle and other improvements.

An open-source reimplementation of Apple Macintosh System 7 for modern x86 hardware, bootable via GRUB2/Multiboot2

📃 Personal logon script for Windows Sandbox

Atari Lynx emulator and debugger for macOS, Windows, Linux, BSD and RetroArch.

Preservation of iPod Clickwheel Games for iPod Nanos 3g to 5g and iPod Classics 5g to 7g

Fly through your Windows 11 setup 🐝

This is source code and assets for the Konix Multisystem (MSU) version of Magicians Apprentice

Microsoft BASIC for 6502 Microprocessor - Version 1.1

Cross platform Mega Drive / 32X toolchain

RP2040/RP2350 286 PC emulator for MURMULATOR dev board

SlaveDriver Engine for Sega Saturn GPL Source Code

Collection of extracted System Prompts from popular chatbots like ChatGPT, Claude & Gemini

PC Engine Dev Kit

Sega Mega Drive Tools for IDA (second instance)

Enhanced version of the PC Engine development system HuC

"Ten seconds to transmission..."

libNG is an addon/toolchain to build NEOGEO games with SGDK

A curated list of WonderSwan development resources.

The most flexible ROM replacement for retro systems - using a sub-$2 Raspberry Pi RP2350 or STM32 microcontroller.

Classic Macintosh emulator

Super Merryo Trolls, an Apple IIgs game abandoned in 1994, then recovered 30 years later with modern tools.

A native Linux filesystem for Microsoft OneDrive