agentbooth

MS-DOS

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

Retro68

a gcc-based cross-compiler for classic 68K and PPC Macintoshes

Genesis-Plus-GX

An enhanced port of Genesis Plus - accurate & portable Sega 8/16 bit emulator

mindset-examples

C Examples and Libraries for the Mindset Computer

smsbioses

Sega 8-bit home systems (Master System, Game Gear, SF-7000) BIOS/bootloader code

EPROM-EMU-NG

EPROM Emulator Project with Arduino

apple2pi

Apple II client/server for Raspberry Pi

passport

a verification and copy program for 5.25-inch Apple II floppy disks

m68k_bare_metal

This repository contains my efforts to create an "idiot proof bare metal m68k cross compiler toolchain of sorts."

cool-retro-term

A good looking terminal emulator which mimics the old cathode display...

grbl

An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino

pico-sdk

3d_arduino

3D animated graphics with the REGIS protocol

picogus

Emulation of ISA sound cards on Raspberry Pi Pico (GUS, SB/Adlib, MPU-401, Tandy, CMS) with USB mouse/joystick support

ssc

Simple Serial Card, an Apple Super Serial Card clone

GLaBIOS

A modern, scratch-built, open-source (GPLv3) alternative ROM BIOS for PC, XT, 8088 Clone or Turbo PCs.

zelda3

unixpc-gcc

Build scripts, patches, and distribution files to build a really old GCC cross compiler for the AT&T Unix PC.

p7x-floppy-adapter

IBM PS/2 P7X Floppy Drive Adapter

convergent-kbd

use a ps2 keyboard on a convergent ngen computer

apple2_hgr_font_tutorial

Apple ][ //e HGR Font Tutorial

tandy1000ex-hx-ram

Tandy 1000EX/HX RAM Expansion Board

Tandy-EX-HX-3in1

cc65

cc65 - a freeware C compiler for 6502 based systems

MacintoshPi

MacintoshPi is a project that allows running full-screen versions of Apple's Mac OS 7, Mac OS 8 and Mac OS 9 with sound, active online connection and modem emulation under Raspberry Pi.

efs2tar

a tool to convert SGI efs filesystems to tarballs

esp-idf

Espressif IoT Development Framework. Official development framework for Espressif SoCs.

LORES

Hardware assisted scrolling using a tile based virtual map and sprites on IBM PC with CGA.

Miniframe

Convergent Technologies Miniframe odds and ends

Little-Game-Engine-for-VGA-EGA

Little Game Engine for VGA 8088/86/286