the problem was having rewind activated, if it is deactivated it is perfect
About GBA, Legacy of Goku games have copyright protection, neither with vba-next nor with gpsp you skip it.
Emulation under Genesis Plus GX core is a disaster, it is totally broken. I use picodrive for sega systems but I have tried segacd and the games are slow and unplayable, I use chdv5 format and in this console it is the only place where they go wrong and I do not want bin/cue on picodrive.
No...
There are problems with hdf's, they are not working, retroarch crashes when you run them. Files and bios are valid, I use them on other systems and they work.
@rsn8887 you are GOD :bow:
I am really really impressed with yor work and how this emulator becomes better and better, and it is my favourite computer with MSX.
Thank you.