Retro

BBC Micro Elite source code

It covers the original BBC Micro cassette version, the enhanced BBC Micro disc version, the super-fast 6502 Second Processor version, the flicker-free BBC Master version and the cut-down Acorn Electron version, all of which were written by Ian Bell and… Read More ›

Consoles of the ’70s

As the first home console ever, the Odyssey ran on batteries and games came on removable circuit cards, not cartridges. The Odyssey tragically lacked sound capability, but that was later rectified. Also looks uncannily like a defibrillator… More here. I… Read More ›

Recovering lost software

At the beginning of the home computer revolution, the humble compact cassette was far and away the most popular choice for microcomputer data storage, especially on the European continent. As a volunteer at the Museum of Computing, [Keith] was instrumental… Read More ›

Pong decoded

Here the circuitry to display the score has been added. It uses a 7-segment LED decoder to convert the digits into segments that can be displayed on the screen with some logic. Some additional logic makes sure that the decoder’s… Read More ›