Reverse engineered PCB of the never-released 1984 Dragon Beta machine from Dragon Data

X680x0 WindrvXM "boot from host filesystem" support

MDL (a Z80 assembler optimizer)

work in progress port of n64decomp/perfect_dark to modern platforms

Windows tool for using CH341A EEPROM/FLASH programmer for other purposes

Some of my own Teenys documents such as XLS documents showing pin assignments and the like

Documentation and Programs fpr the Mattel Aquarius Home Computer

a multi-system chiptune tracker compatible with DefleMask modules

Commodore 64 VIC-II 6567/6569 Replacement Project

Programmer for PIC18F47Q43/Q83/Q84

📺 Smaller, better GBS8200 for portablizers, powered by GBS Control

The xx file format. Turn your hex dumps into art, then into binary data.

Label Creator for IC Chip Pinouts (Javascript/SVG)

An open-source portable handheld NES using real hardware

Various design materials for building my 8-bit-microprocessor-based single board computer(s)

Penkesu Computer - A Homebrew Retro-style Handheld PC

Design Files for the Joopyter Personal Terminal

40 Years after the Sinclair ZX81 was released this project aims to preserve the first 4 chip computer

The Sinclair ZX Spectrum BASIC compiler!

A repository of gate-level simulators and tools for the original Game Boy.

A cross-platform, customizable science fiction terminal emulator with advanced monitoring & touchscreen support.

An audio visualizer as an USB sound card.

A script to automatically build an open-source toolchain for PSP homebrew development.

Sharp MZ-800 BASIC source code to QD file convertor

MSX Application Templates for MS Visual Studio.

Reduce the space taken up by games and programs on disk by using native Windows APIs

Defender arcade game code reverse engineered back into source.

X68000 RAM Expansion

Extremely fast and powerful Z80 assembler

Atari 8 bit computers, NES and SMS game consoles on your TV with nothing more than a ESP32 and a sense of nostalgia