Tools for reversing DOS games, primarily inspection of MZ executables

Reconstructed source code for the Microprose game F-15 Strike Eagle 2 for MS-DOS

Versatile GUI hex editor focused on binary file exploration and aiding pattern recognition

Online converter from png image to ZX Spectrum screen format.

Turbo Pascal 3.0-compatible compiler that generates machine code for classic and modern Z80 machines (currently CP/M, the Sinclair ZX Spectrum 48K/128K/Next, and the Agon Light/Console8).

Versatile ASCII and ANSI Art text editor for drawing in the Linux/Unix/macOS terminal, with animation, 256 and 16 colors, Unicode and CP437, and customizable themes

Antivirus Effectiveness in Detecting DOS Viruses.

Maze editor for 8bit game Gauntlet

Command line text-based adventure game where you play as a bear trying to escape a zoo. The name is a pun.

Unity Editor tool used for designing, drawing, and exporting 2D levels for a Gauntlet-like game, using UIElements and Scriptable Objects.

PM Skills Marketplace: 100+ agentic skills, commands, and plugins — from discovery to strategy, execution, launch, and growth.

Production-grade engineering skills for AI coding agents.

Faster variation of the ZX0 compressor adapted to the 6502

Other assets for the 86Box emulator. For development versions of 86Box, the recommended way to use this repository is to clone it instead of downloading the tagged releases.

This is a Z80 disassembler and reverse engineering tool that analyses code to properly indentify string and data areas and produce more readable code without much effort apart from knowing the load…

A minimal modern LZ compressor example

Binary blob analyzer and extractor based on C++

A novel data compression framework

port of aPACK 1.00 to Linux and Windows

A modern, self-hosting Object Pascal compiler built for the 2020s. Zero legacy, full ARC, and unified UTF-8.

OUO: reverse engineering of Ultima Online: The Second Age server

TRD Audio Suite is a music player for tracker formats inside ZX Spectrum .trd disk images. Extract and play modules, real-time spectrum visualization, file export. Drag & drop support, create and e…

A faithful port of SQLite 3.53.0 (D. Richard Hipp et al.) from C to Free Pascal (FPC 3.2.2+) targeting x86-64 Linux.

A lightweight ZX Spectrum-inspired editor for creating graphics with 8×8 block attributes. Great for games on our ZX Spectrum.

A high density floppy disk PC BIOS ROM for XT, AT, 286, 386+ systems, supporting many vintage and modern controllers.

AI-assisted MOS 6502 disassembler for Commodore 64 binaries.

Reverse engineered game Starflight (1986)

auto run disk images of mostly generic cpm ascii games for several systems