A tiny hand on a stick that points at things on your Mac screen.

Recover the real pixel grid of AI-generated and upscaled pixel art, and turn images into pixel art.

Solid Elite for the BBC Micro Model B with 64K sideways RAM: filled, lit ships and solid planets, built on Mark Moxon's documented disc Elite source

Replacement power supply for Acorn A3000

Real-time ulc-codec (MDCT) and IMA ADPCM audio player for the Acorn Archimedes, ARM2/ARM250/ARM3

RISC iX 1.21c in Docker: Arculator, headless boot, exec from the host

Tool to manipulate 8bit Acorn Disk Images

Solid Elite on the 6502 Second Processor: the BBC Master port's game on the parasite, with a dumb renderer host (Master or Model B)

A collection of AI skills I use for various app development tasks

Soulless attempt at some Halloween fun

Beeb 1MHz bus device emulator in a RaspberryPi

ZXMetalCircle - ZX Spectrum Baremetal from 16K to +3e for the Raspberry Pi 1 to 5 built on Circle

Drop-in rewrite of Acorn's flex sliding heap allocator for RISC OS, in C90

Disassembly and rebuild of Sim City for the ZX Spectrum and other Z80 machines

Software (driver) for Ethernet podule based on WizNet W6100

Antiword: a free MS Word document reader

Minimal portable C99 window manager inspired by RISC OS

Reverse-engineered Computer Concepts DitherExtend module with C port

Portable front-end library for ZX Spectrum game ports

BBC Master Elite with filled, lit ships and faster game logic, built on Mark Moxon's documented source

Claude Code skills that get your app into the App Store and Google Play. Rejection sweep, release build, store listing, upload. Any stack.

Agent that plays Acornsoft Elite

Antique toy project

Macintosh 68k ROM source - reverse engineered

Draw to SVG convertor

Starglider for the Beeb