Making ZX Spectrum Diagnostic ROM Tools

I've had a tricky repair job recently that encouraged me to make up a couple of tools to help with diagnostics.

QUAZAR ROM Cart - https://www.samcoupe.com/
Retroleum - https://www.retroleum.co.uk/
Brendan Alford ROM - https://github.com/brendanalford/zx-diagnostics/wiki/Firmware

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Repair Service (Message me if interested) - https://happylittlediodes.wixsite.com/website

Music by Paul Grimshaw

Видео Making ZX Spectrum Diagnostic ROM Tools канала Happy Little Diodes