Zx Spectrum Test Program Link Jun 2026

Do you have a favorite test program not listed here? Share your own ZX Spectrum test program link discoveries in the comments below!

Tape (TAP/TZX)

Further reading: The source code of the 48K Diagnostic ROM is available in annotated Z80 assembly, often found on GitHub under zx-spectrum-48k-diagnostic . The original Sinclair service manual also describes the extended test harness used in factory repairs. zx spectrum test program link