Memory system and UART implemented on Tang Nano 20K for DEC DCJ11 PDP-11 Processor

Super Star Trek in 8080 assembly - WIP

NES Emulator with SD card and menu support for the Raspberry PI Pico, Pico 2 and other RP2040/RP2350 based microcontrollers. Play your games from SD card on a HDMI display.

ZX81 emulator for Raspberry Pi Pico

🎹🎶 A baremetal kernel that turns your Raspberry Pi 3 or later into a Roland MT-32 emulator and SoundFont synthesizer based on Circle, Munt, and FluidSynth.

ZX81 External 16K/32K RAM interface with WRX hi-res support

Miminal-invasive IoT-type ESP32 device for ZX computers

ESP32-based Tape/WLAN file server for ZX81, with VGA and/or LCD display support

MSX8 CP/M PROGRAM TO LAUNCH MSX GAME ROMS

System Software for Z80/Z180/Z280 Computers

Updates, Information and Software for the PDP-11 RSTS/E V10.1 Operating System

Sic IRC client for BSD 2.11

Sidekick64: A Versatile Software-Defined Cartridge for the C64, C128, C16, plus/4, and VIC20

PDP-11-related things: PiDP11, PDP2011, etc.

2.11BSD distribution and tools for the PiDP-11

Extend the SimH simulator with real or simulated console panels

Fork of Nihirash's CP/M 2.2 port for Agon Light with extra disk images. All disk images can be found in the playpen branch.

CP/M 2.2 port for Agon Light that didn't require custom firmware. Use your Agon fully and have access to CP/M system.

JR-100でSD-CARDからPROG形式ファイルのロード、セーブ機能を実現するものです。

PC-6001mk2の MODE1～MODE4でSD-CARDからロード、セーブ機能を実現するものです。

UNIMON for SAKI80

Super AKI-80 BASIC

5V tolerant interface for Tang Nano

Home-brew Intel 8080 Single Board Computer with Altair BASIC Interpreter

Motorola MIKBUG Version 2 conversion to source from photocopied PDF