Project to provide keyboard replacements for various classic computers, as well as classic ASCII keyboard

A cross-platform command line tool and Go library to manipulate ProDOS hard drive images used by vintage Apple II computers and emulators.

Updated "Brain Board" for Apple II, originally designed by Mike Willegal

An Apple II Language Card. Based on a design by iz8dwf

Various PCB and case designs of the SmartPortSD hard disk emulator for Apple II computers.

Improved Apple //c (ROM 4X) and Apple IIc Plus (ROM 5X) firmware.

A clone board for the Dragon64 and Tandy Color Computer

A Vic-20 clone created with [almost] all readily available parts

Multi Tasking OS for Apple IIe //c IIgs link to previous version : https://github.com/A2osX/A2osX/tree/0.95/.Floppies

tapuino

C64 Single EPROM cartridge pcb

MOS 2316/32/64 to JEDEC 27XX(X) Adapter

Dram tester for 4116 and 4164/256

A bootable 1 MB solid state disk for Apple ][ computers

Apple II expansion card using a Raspberry Pi for I/O

The HBC-56 (65C02/TMS9918A/AY-3-8910 retro computer) fully emulated on a Raspberry Pi Pico

SD-card multicart for Atari 8-bit computers

UnoCart on a Raspberry Pi Pico clone

Minimal 6502/Propeller Computer based on Propeddle

A workbench for developing 6502 code

an AppleII compatible joystick

Retro ][ is a 6502 based computer based off of the Apple ][.

Port of linapple-pie modified for use with low resolution monitors

Apple //e emulator, primarily for the Teensy 4.1

∀2 Analog VGA card for the Apple II computer line

Optimized Amiga emulator for Linux/macOS

Mockingboard compatible Apple II sound card

An Apple II Language Card. Based on a design by iz8dwf

An Apple II 80-Column Card. Based on the Videx Videoterm