There are 1 repository under retrocomputer topic.
Open Hardware Remake of the Commodore Amiga 500+ Mainboard
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
Yet Another Pico Computer using Raspberry Pi Pico(s)
I/O 64 project on bus S100
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.
Computer Lynx character set extracted from ROM files
Experimental modification for the Atari ST, to have a RGB-565 colorspace (65K colors) ; inspired by the textual description from Barry Orlando.
A tool to work with the Elektronika MK90 SMP volume images. CLI for the smp_tool lib.
Erasing boundries including time!