DoctorWkt

acwj

A Compiler Writing Journey

pdp7-unix

A project to resurrect Unix on the PDP-7 from a scan of the original assembly code

CSCvon8

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

SubC

A Tour Through the SubC Compiler

CSCv2

Version 2 of my Crazy Small CPU

xv6-freebsd

Ths project adds a FreeBSD libc, other libs and a runtime to the xv6 kernel

fbcc

Fabrice Bellard's fbcc C Compiler

ULX3S-Blinky

A blinky project for the ULX3S v3.0.3 FPGA board

TTL_TicTacToe

An implementation of Tic Tac Toe in TTL logic

MMU09

A 6809 single-board computer with an MMU

smallc

Derivative of Ron Cain's Small C Compiler

2FISC

FISC2: A TTL CPU with Some 16-bit Capabilities

Nine-E

A Unix-like environment on an 8-bit 6809 single-board computer

Verilog_tic-tac-toe

An implementation of "Tic Tac Toe" in Verilog. FPGA versus user, FPGA knows how to win!

FISC

An 8-bit TTL CPU with a Stack Pointer

ZipTutorials

Toy projects I've created as exercises for the ZipCPU tutorials

SimpleCPU

Fuzemsys

FUZIX Compiler Kit Emulators with Syscall Support

SwiVM

An implementation of the Swieros VM in Verilog

tlearn

Interactive Linux tool to learn command-line skills

xv6-rosco-r2

blinky

Example LED blinking project for your FPGA dev board of choice

EmulatorKit

A collection of emulators mostly of retrobrew style systems

FUZIX

FuzixOS: Because Small Is Beautiful

Fuzix-Bintools

Assembler, linker etc to go with the compiler

Fuzix-Compiler-Kit

Fuzix C Compiler Project

MINIXCompat

A compatibility environment that can run M68000 MINIX 1.5 binaries, for example to enable building M68000 MINIX on a modern UNIX.

rosco_ch375_rtc_board

An expansion board for the Rosco m68k SBC

rosco_m68k

Design, documentation and software for the Really Old School Computer (M68K)

xv6-riscv-fuzix

Xv6 for RISC-V with a FUZIX libc and userland