To run the ZX Spectrum test program, users had to press the "CAPS SHIFT" and "Symbol Shift" keys simultaneously during boot-up. This would access the test program, which would then run a series of diagnostic tests on the machine's hardware and software.
Best for: Professional repair work.
If you search for "ZX Spectrum test program" today, you will find three dominant ROMs. Each has a specific use case. zx spectrum test program
The ZX Spectrum test program was a comprehensive diagnostic tool that tested various aspects of the machine's hardware and software. Some of its key features included: To run the ZX Spectrum test program, users
Have a specific ZX Spectrum fault you can’t diagnose? Run a memory walk test and leave the error code in the comments. If you search for "ZX Spectrum test program"
: Identifies specific faulty ICs by number .
Best for: Modern hybrids.