development kit and libraries for SEGA Master System / SEGA Game Gear / SEGA SG-1000 / SEGA SC-3000 homebrew programming using C language (and the SDCC compiler)

A GNU nano-like text editor for MSX 2.

A600 Blue keyboard membrane replacement with a complete PCB.

Python Fluente, Segunda Edição

Wolfenstein 3D with a CGA renderer

Disassembly of the Apple II Desktop - ProDOS GUI

API 0.6 compatible MySQL schema

GIMP script to export bitmap as MSX2-compatible GRAPHICS 4 file (aka SCREEN 5)

Westen House (MSX game)

Concurrently detect the minimum Python versions needed to run code

Learning with Peter Norvig's lis.py interpreter

An utility to manage .P files for the ZX81.

Automated Integration Testing and Live Documentation for your API

Página web do X SERNEGRA

A collection of modern/faster/saner alternatives to common unix commands.

Frantic is a platform game for the MSX-2 (or higher) home computer, released in 1992.

R.T. Russell's BBC BASIC for Z80, with additional features by J.B. Langston

#1 quality TLS certs while you wait, for the discerning tester

Fully annotated disassembly of the original Metal Gear game (MSX2, Konami, 1987, RC750)

Schematics and PCB designs of cartridges for MSX systems

Collection of Mappings and with different capabilites and some utilities

Python packaging and dependency management made easy

Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).

Game Engine Black Book: Doom

Book about wolfenstein 3D

Firmware to allow functional testing of ZX Spectrum hardware and related clones. See the wiki for full details.

Fully documented and annotated source code for the cassette version of Elite on the BBC Micro