NostOS: The Nostalgia Operating System for the RC2014 and similar Z80/8080 computers

AM9511 Arithmetic Processing Unit interface module for a 6502-based system

The AVR-LibC package provides a subset of the standard C library for AVR 8-bit RISC microcontrollers.

Graphical planetary motion calculator

Simple bash scrip that uses pings to checks network disconnects

The classic asteroids game. Coded in C using SDL for graphics

Grok open release

A rogue-like survival game for CP/M, DOS and modern systems.

Port of NASCOM basic for RC2014 to GNU AS

System Software for Z80/Z180/Z280 Computers

Loader and Debugger for Rabbit Semiconductor µC, such as the Rabbit 2000, Rabbit 3000, and Rabbit 4000.

RabbitCore® Module - Designed for RC2014 Standard Bus

Reference documents for z88dk

This repository is the Open Source release of the libraries and sample code from Dynamic C 9, an integrated development environment for Digi International's embedded systems based on the Rabbit 200…

An 8-bit Z80 computer kit in a box

HI-TECH Z80 CP/M C compiler v3.09 and updates

ReGIS, short for Remote Graphic Instruction Set, is a vector graphics markup language.

EEPROM File System

Z80 8085 MS BASIC Version 4.7 - (C) 1978 Microsoft

Software, utilities and documentation for the Z80-based NASCOM2 computer

Compact Flash card module for RCBus

The development kit for over a hundred z80 family machines - c compiler, assembler, linker, libraries.

Source for "Goodbye Clipping Plane" article on Chaos In Motion

3D animated graphics with the REGIS protocol

An "asteroids" clone in C

C API for Vortex Tracker II Player

KiCad schematics and gerbers for a YM sound card for the RC2014. See it in action here: https://www.youtube.com/watch?v=-iLwi9FagFE

A real-time operating system for the humble UNO (and Mega2560 etc)