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Latest Video

Clever engineering on a budget - ZX Spectrum Interrupts

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How do you make an underpowered 8 bit CPU seem a bit more capable than it really is? Interrupts! that mechanism where the CPU can be poked and told to do something completely different, then resume whatever it was originally doing as if it’d never stopped.

Videos

Conways Life in Z80 Assembly

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Conways Life in Z80 Assembly

Programming the popular cellular automaton using Z80 Assembler

Switch Joycon Drift Repair

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Switch Joycon Drift Repair

Here is how I fixed the drift on my Nintendo Switch Joy-Con. It is properly fixed, not just putting cleaner into the thumbstick.

Zombies! - A Game Written in Z80 Assembly

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Zombies! - A Game Written in Z80 Assembly

Converting a 1980s BASIC type-in game into Z80 Assembly.

The Joy of Sticks - RC2014 Z80 Joystick Kit

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The Joy of Sticks - RC2014 Z80 Joystick Kit

Building and programming a joystick interface for the RC2014 Z80 computer.

Clueless Chillout Coding

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Clueless Chillout Coding

Get comfy and watch as I try to figure out how to write a really simple program the hard way.

Blog Posts

  • 2021 Review

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    How was 2021 for you? I mean, compared to 2020 it was a big improvement, but that’s a pretty low bar to aim for. Let’s focus more on the projects that I completed and what I learned from them.

  • Crap quality USB cables

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    I think I’ve just had a bit of a revelation… USB-C is the best thing ever. Not only because the plug isn’t polarised, but because if you want a true USB-C to USB-C cable there doesn’t appear to be any cheap crappy ones.

  • SMT Soldering and Atari ST Repairs

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    Yesterday I recapped my ST’s PSU which went well, nothing exploded. However when trying to boot the machine it kept crashing, especially when it went to the desktop.

  • Updated Website

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    I’m not a web designer, I find the creative part quite interesting but buggering about with templating languages and having to learn far more JavaScript and CSS than is healthy really puts me off.