retrocomputer

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.

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

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.

Open Hardware 64 Kb RAM Expansion for the Commodore 16

Morrow Designs Micronix and tools

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

A single-user single-task ROM-based operating system for my 8-bit homebrew computer dastaZ80 (Zilog Z80 CPU)

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

ZX Spectrum Replica

CHIPOS with Logical Operators

I/O 64 project on bus S100

ALTAÏR: Altair 8800 emulator

Computer Lynx character set extracted from ROM files

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

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

Experimental modification for the Atari ST, to have a RGB-565 colorspace (65K colors) ; inspired by the textual description from Barry Orlando.

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