Retro Programming

Computus is the algorithm used to calculate the date of Easter. Easter Sunday falls on the first Sunday after the full moon following the S...

Itsy-OS v0.1 is a small 8086 operating system kernel providing two basic services: a simple preemptive task switcher and memory management....

When I upgraded to Windows 7 I was horrified to discover the text editor I've been using for years no longer works. After suffering Wind...

I'm busy implementing my own Forth at the moment and it's taking a little longer than anticipated. Each Forth word is a puzzle in it...

The Tao of Programming by Geoffrey James is a short book of humourous computer parables inspired by an ancient Chinese text, the Tao Te Chi...

Color Robot Battle is one of the earliest commercial programming games, published 30 years ago for the TRS-80 Color Computer by The Image P...

I've always been a fan of text adventures - exploring a fantasy world, drawing a map and solving a few puzzles along the way. A couple ...