Changes
We can know more about this hardware.
Maybe it is valid to make the emulators better.
== How to Use ==
* [https://hardware.speccy.org/temp/Amstrad-TEST.html ''RP-1 CPC 464 Diagnostic PCB'' from hardware.speccy.org]
* [https://github.com/llopis/amstrad-diagnostics ''the Amstrad Diagnostics ROM project'' from Noel's Retro Lab ]
[[Category:Peripherals]]
