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

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

Proto Language AsSeMbler for All (formerly Apple)

Atari ST ACSI to SD card converter with a STM32

CCGMS Future, a terminal program for the Commodore 64

Source code for the popular SwinSID SID replacement

Tool written in Z80 assembler to test the MSX hardware basics.

Firmware, pcbs and case design for a tiny Pinball Fantasies-based video pinball table.

Fork of https://bitbucket.org/skoe/easyflash

Create standard or custom PET/CBM Editor ROMs

Commodore VIC-20 Dead Test

MSX Unimapper cartridge

Replacement AppleTalk boot blocks for Apple IIe Card for Macintosh LC.

Firmware for VIC-20 Final Expansion 3

Tandy Color Computer CocoFLASH

Bit Shifter's Operating System for PET/CBM 8296(D)

WiC20 - Portierung des WiC64 auf den VC20 / VIC20

cbm2 color-graphics-card for the LP and HP models with the Yamaha v9958 / v9938 and 128k dram

Atari 68k: use your HxC Floppy Emulator as an software Hard Disk Emulator

PET2001 RAM/ROM Test (nocrtc)

Commented disassebmly of the Z80 PCPI Appli-card for apple II computers