R

retrocomputing

ShellDOS (or simply shDOS) is a retro DOS Command Shell with modern features like Linux and others.

Oficial website: https://software.webxpress.top/projects/shdos

A port of librw and re3 to the Dreamcast https://dca3.net

Xcpc - Amstrad CPC emulator for Linux, BSD, Unix [this repository is a mirror]

https://www.xcpc-emulator.net/

A virtual device bus that, once compiled into a PDP-11 SimH simulator, allows new devices to be added to the system without re-compiling the simulator itself. New devices run as separate processes, communicating with the main simulator through shared memory and pipes.

Wafer.space tapeout of the classic Z80 8-bit CPU using Global Foundry 180 nm (gf180mcu) process.

Tapeout repository: https://github.com/rejunity/ws0-z80-open-silicon-gf180mcu

Project repository: https://github.com/rejunity/z80-open-silicon

Bluetooth gamepad support for the Commodore 64 / Atari / Amiga, etc.

Disassembly of some MS-DOS v1.25 programs released only in binary form; code for building TRANS.ASM etc.; & other information pertaining to MS-DOS • mirror of https://codeberg.org/tkchia/MS-DOS-disassembly-etc • fork of https://github.com/microsoft/MS-DOS