Essential for the computer to boot at all.
Diagnostic programs often come as .ROM or .BIN files. These are images of the computer's Read-Only Memory. They are typically used by:
If you don't want to burn your own EPROMs, you can purchase ready-made diagnostic cartridges that plug directly into the expansion port: brendanalford/zx-diagnostics - GitHub
The output is often displayed on the screen in color-coded bars. If the screen is too corrupted to read, the Diag Board sometimes outputs a link to a speaker, beeping error codes like a Morse code distress signal from a silicon shipwreck.
Zx Spectrum Test Program Link | =link=
Essential for the computer to boot at all.
Diagnostic programs often come as .ROM or .BIN files. These are images of the computer's Read-Only Memory. They are typically used by:
If you don't want to burn your own EPROMs, you can purchase ready-made diagnostic cartridges that plug directly into the expansion port: brendanalford/zx-diagnostics - GitHub
The output is often displayed on the screen in color-coded bars. If the screen is too corrupted to read, the Diag Board sometimes outputs a link to a speaker, beeping error codes like a Morse code distress signal from a silicon shipwreck.
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