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Latest Video

Memory Banking, DMA and Interrupts - How 8bit computers work

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Computers from the 1980s seemed to be quite limited in their abilities, there was a big drive to make a machine as cheaply as possible. Competition was fierce between manufacturers.

Videos

Devlog 02 - Layer 2 Graphics

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Devlog 02 - Layer 2 Graphics

An overview of the Spectrum Next's Layer 2 bitmap display

Devlog 01 - Spectrum Next Programming Languages

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Devlog 01 - Spectrum Next Programming Languages

How to get started programming the ZX Spectrum Next

Quazar Graphic OLED Display - Real Pixels for your RC2014

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Quazar Graphic OLED Display - Real Pixels for your RC2014

I found a real bitmap display for the RC2014 and here's how I made it work.

3d Printer Extreme Teardown

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3d Printer Extreme Teardown

I've bought a new 3D printer, I thought it'd be fun to take the old one apart!

Optimised Z80 - Conway's Life Improved

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Optimised Z80 - Conway's Life Improved

Writing more optimised assembly to improve the speed of the Conway's Life algorithm

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.