@shattered: please create a folder "dec100b", because i can't...

I recently uploaded the Z80 disassembly (from February) to the repository available under https://github.com/shattered/retro-bios.

The binary for that code can be found at the end of the upper, language specific ROM.

If a Z80 guru has a look at it, i'd be happy. I still think the code tries something weird we don't emulate.

At times, the Z80 controls the 8088 (CP/M) and sometimes it's the other way round (DOS). So it's not a strict master-slave relationship.

It could also be a much simpler problem with floppy emulation (overruns when writing because of unemulated WAIT states), who knows?

Last edited by Bavarese; 04/26/16 04:21 PM.