Open Watcom C/C++ Compiler: 16-bit 8086 Optimisations Report

A while back I picked up retro programming as a hobby. When programming for the 8086 DOS platform, Open Watcom is indispensable. It runs on both Linux and Windows, produces DOS binaries, has detailed documentation and a whole arsenal of tools. It's also rather fast and produces performant code. Unfortunately there isn't much documentation about … Continue reading Open Watcom C/C++ Compiler: 16-bit 8086 Optimisations Report →

Automated regression testing DOS programs with DOSBox-X

Developing for retro platforms like DOS doesn't mean you have to abandon modern development practices. In this post, I'll share how to implement a robust end-to-end regression testing for DOS programs, eg. tools or games. There's also some code [git]. Bill of materials Ubuntu Desktop 24.04 (other distros probably work as well) awk, bash (should … Continue reading Automated regression testing DOS programs with DOSBox-X →