A 16-bit 2-cycle RISC-V-inspired CPU in the same footprint as a 65c02. For the SKY130 process Tiny Tapeout.

A header-only, conservative tracing garbage collector in C

Fuzix C Compiler Project

Design Flow for Atmel/Microchip ATF15xx CPLDs using Yosys and the Atmel Fitter

C development system for (Nitr)OS9/6x09, with source

The Open SIMH simulators package

👮 Security advisories of Nextcloud

ksnip the cross-platform screenshot and annotation tool

A Compiler Writing Journey

Building a RISC-V processor out of LSI logic

A crazy small 8-bit CPU built with only seventeen 7400-series chips.

A simple script to build open-source FPGA tools.

A template project for the ULX3S ECP5 FPGA board using only Open Source Software

RARS -- RISC-V Assembler and Runtime Simulator

A small, light weight, RISC CPU soft core

Continuous Unix commit history from 1970 until today

xv6 OS

This is a compiler for a high-level language that targets the PDP-7 Unix system,