Open Hardware Remake of the Commodore Amiga 500+ Mainboard

The famous Intel 8080 CP/M 2.2 to Intel 8086/8088 MS-DOS assembly language translator.

The amazing multi-processor 8-bit microcomputer, featuring Z80, 6502 and AVR processors. Built with CPLDs, CERBERUS 2100™ is fully programmable even with respect to its hardware, at the individual gate and flip-flop level.

This is a reconstruction of the original 1981-82 IBM PC BIOS source code using scanning and transcription of the BIOS listings found in the IBM Technical Reference manuals.

Kick assembler personalized version of the C=64 rev. 781220 Dead Test + more

Open Hardware 8/16/32 Kb Cartridge for the Commodore 16, 116 and Plus/4

Connecting the Amstrad CPC 6128 expansion port to an Arduino Mega and copying information from a micro SD card.

Open Hardware 64 Kb RAM Expansion for the Commodore 16

Morrow Designs Micronix and tools

User Port Cartridge for the Commodore 16, 116 and Plus/4

Yet Another Pico Computer using Raspberry Pi Pico(s)

CHIPOS with Logical Operators

ZX Spectrum Replica

Some Pi scripts and Psion OPL to link the Psion MC400 to the internet via an attached Raspberry Pi

BASIC code from the 1980s Usborne programming book, Introduction to Computer Programming BASIC for beginners.

I/O 64 project on bus S100

ALTAÏR: Altair 8800 emulator

Play digital samples on your Commodore 16/116/+4

Computer Lynx character set extracted from ROM files

CPU and USB On-The-Go project on bus S100