Published by: RetroTech Repairs
Reading time: 9 minutes
: A highly regarded tool for the original 16K/48K and later 128K models. It tests RAM, ROM, keyboard, sound, video, and various ULA/Z80 features. Manual & Details Retroleum Diagnostic ROM Documentation Sinclair Test ROM (1983) zx spectrum test program link
Chaining test programs allows multiple small tests to execute sequentially without reloading the entire cassette/disk image. Two common approaches: The Ultimate Guide to ZX Spectrum Test Program
So the next time someone asks for “the link” to the test program, don’t just send a file. Send them this article, and tell them to listen to what their Spectrum is trying to say. Review: This is the fastest way to test