Modern version of Sinclair ZX Spectrum 48K computer

Microsoft BASIC for 6502 Microprocessor - Version 1.1

Arduino library for creating MIDI controllers and other MIDI devices.

An RP2040-based ROM emulator

A versatile DIY serial terminal

DIY MIDI UART DIN USB converter

CCGMS Future, a terminal program for the Commodore 64

tapuino

🎹🎶 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.

A 3D-printable MIDI synthesiser inspired by the Roland MT-32 and clumsyMIDI, and powered by the mt32-pi MT-32 emulator.

DrawBridge aka Arduino Amiga Floppy Disk Reader/Writer - Hardware and software interface for accessing Amiga disks (read/write ADF and SCP) on non-Amiga hardware

Free bitmap (8x8, 8x16, 8xY) fonts by EPTO

Teensy 3.2 based Pixie Video Simulator for the 1802 Membership Card

OMEN Alpha / 8085-based single board computer

Arduino WAV player for retro computer

SD card based CMT for MZ 80K series

Arduino implementation of Asteroids.

Open-Hardware Floppy Drive Simulator

SB-Assembler Version 3 - Cross Macro Assembler

Bare-metal Raspberry Pi project that attaches to the Acorn TUBE interface and emulates many BBC Micro Co Processors

6502 enhanced BASIC unmodified source

ESP32 Display Controller (VGA, PAL/NTSC Color Composite, SSD1306, ST7789, ILI9341), PS/2 Mouse and Keyboard Controller, Graphics Library, Sound Engine, Game Engine and ANSI/VT Terminal

Minimal monitor for the Mite, a 6502-based homebrew computer

A project to create unencumbered open-source ROMs for use on selected retro computers

This Kernal prevents the killer CBM80 signature, that some games leave in memory from hooking up the C64 for a while

Sinclair Computers related projects

Buch Retro-Computing - C64 und Amiga Warten, Reparieren, Erweitern und Projekte in diesem Umfeld

Code for the 6502 microprocessor, mostly for the Replica 1 computer.

A NodeMCU (ESP8266) based WiFi modem for the C64's user port