Hello, I installed pimame 0.7.7 on my raspberry and I can play some games, but when I try to open Windjammers / Flying Power Disc it gives me an error and won't open.

In mame4all it says:
"ng-sfix.rom, ng-sm1.rom files missing"

In GNGeo it says:
"Z80 error"

Hope you can help me.

Thanks.