Originally Posted by R. Belmont
Got a bit overzealous when I fixed the debugger not touching softswitches. Fixed in https://github.com/mamedev/mame/commit/4c67903fb1ed1ef141817791ddd83ce09cb0678e if you compile your own, or else it'll be in MAME 0.222 at the end of June.

Thanks, that's working better :-). Now to see if i can track down my software issue..