I'm going to adjust the engine RPM speed of my amstrad CPC 6128 computer. I changed tires and cleaned the head. but I need to set RPM. can you post the program that shows the speed on drive A in real time? If you send the DSK image of this program, I can immediately pull it to the floppy disk and run it. i didnt find this programme. maybe it's the ROM file. because i'm looking for this program because it doesn't read floppy drive. I want to use it for this. In this case, the floppy drive may not be able to read the RPM program either. Do you need a ROM file?
The guy in the video is using this program.
https://www.youtube.com/watch?v=-K1EPjKTBUs (https://www.youtube.com/watch?v=-K1EPjKTBUs)
It's a bit of a chicken and egg problem. If the drive can read the DSKTest program then it doesn't need to be adjusted. So you either need the ROM version on a ROM Board or you need a second working drive with the DSKTest DSK on it.
You can find the RPM DSK version here: https://www.cpcwiki.eu/forum/hardware-related/is-there-a-rom-that-can-be-used-to-test-disk-drives/ (https://www.cpcwiki.eu/forum/hardware-related/is-there-a-rom-that-can-be-used-to-test-disk-drives/)
The DSK version of DSKTest here: https://www.cpcwiki.eu/forum/applications/dsktest-v0-1b/ (https://www.cpcwiki.eu/forum/applications/dsktest-v0-1b/)
The ROM Version of DSKTest: https://www.cpcwiki.eu/forum/applications/dsktest-v0-1b/msg98206/#msg98206 (https://www.cpcwiki.eu/forum/applications/dsktest-v0-1b/msg98206/#msg98206)
Bryce.