PC Engine dev forum

I didn't find much new info but it's good to be able to confirm what's already known. The only unknown/undocumented register I figured out was 0x1AE5 which almost does what 0x1AE4 does but it rotates the shiftregisters instead of shifting them, eg. bits shifted out on end are inserted on the other e...

Thanks I'll give it a try.

Is it possible to mix C with asm using HuC, are there any examples on how to do it? I'm trying to reverse-enginer the arcadecard and cd-rom, documenting as much as possible and one of the things is I want to read out the "scsi"-response messages when there's an error. I found out how to em...