CPC 6128 on Nano 20k

[Jefffr]

Hello,
I'm trying to port the MisterFPGA CPC core to the Nano 20k, but I don't know much about it, so I'm leaving everything to Claude Code at Vibe Coding; I'm just his eyes.

For now, I’ve managed to boot the CPC ROM with the AMSDOS prompt. I think there’s a vertical offset, but since I can’t run a program at the moment, I can’t verify it with a test pattern.

If you want to continue the project, I’ve made my source code available here:

https://github.com/Jefffr/CPCTang

I used the MisterFPGA CPC core and the MisteryNano core as references.