mal - Make a Lisp

Code for the 6502 microprocessor, mostly for the Replica 1 computer.

Fully annotated disassembly of the original Metal Gear game (MSX2, Konami, 1987, RC750)

A project to create unencumbered open-source ROMs for use on selected retro computers

Yet another KC emulator

Diagnostics program for the Amstrad CPC.

Z80 music routines for ZX Spectrum beeper and compatibles

Classic ZX Spectrum game "The Great Escape" reverse engineered

Westen House (MSX game)

C64 Development - Assembly Language

Source code for The Sword of Ianna, ZX Spectrum version

MSX assembly library

8 bits de poder ( 8 bits of power)

C64 action / adventure game

A Dungeon Crawler for the MSX2

The Menace from Triton (MSX)

Amstrad CPC Source Code

An implementation of smoothly scrolling a character-based screen on a Commodore 64

Depackers for Z80

Unassembled Amstrad CPC6128 Firmware

Zero-overdraw isometric graphics for the ZX Spectrum, featuring the Ant Attack map.

A reverse-engineering of the classic isometric ZX Spectrum game "Head Over Heels"

Source code of several MSX system components

OMEN Bravo / 65C02-based single board computer

A Commodore 64 port of Activision's Frostbite. https://csdb.dk/release/?id=183742

Bare metal SDCC library for Z80.

MS-DOS VGA TSR goodies

An Amstrad CPC tape loading demo

Single-board 6809, Z80, 6502, etc

CPC sugarlumps demo - released at Sundown 2012