Schema.org - schemas and supporting software

SIDKick pico is an inexpensive dual-SID-replacement for the C64 and C128

Guide to Amiga compatible programming

Dungeon of the Rogue Daemon - A Multiplayer Roguelike for the Commodore 64 and other retro machines (also playable in modern browsers)

MP/M II for RCBus

A Videopac/Oddyssey 2 cart to load games from a micro SD card

Source and documentation for the firmware of the upcoming VICMIDI Interface cartridge for the Commodore VIC-20 (6502 Assembler / DASM)

Useful assembly libraries for BSW GEOS operating system programming

Full ANSI Telnet terminal for BSW GEOS OS

Software SID emulation for the Atari 8-bit (6502 @ 1.8MHz + POKEY)

3 MB bank switching chip ram card for SMD 2000

My CBM-II cartridge designs plus cloned carts

A file and disk archival program for GEOS, supporting numerous archive formats and file systems.

Site website

Convert BookMaster, GML, Script/VS and 'flat' files to HTML