ZX Spectrum System Tour: Sound

This technical deep dive explores the sound capabilities of the ZX Spectrum, specifically focusing on the 1-bit beeper and the BASIC BEEP command. The author explains how to manipulate memory locations to generate precise tones and scales on the vintage hardware.
Now that the shooting gallery is done and dusted, it’s time to turn to a piece of our initial tour of the ZX Spectrum that has been left untouched: sound. There isn’t a whole lot new here compared to what has come before on other platforms, but that in turn means that the core principles of our solutions to it arrive pre-baked; we’ll just have to add the Spectrum-specific frosting.
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