The trick appears to be rename it nbajamte to nbajam05 and then it works. If I can only get aspect ratio to stay 16:9 so that it's fullscreen that's my only issue remaining. Thanks for the advice on hbmame.
Griffey and Jordan on the same team is pretty boss.
I'm confused I had it latest working with Michael Jordan 5.02 then my hard drive died I had to start over now I get errors and no Michael Jordan. I do not think I had debug mode? But I'm not sure.
Regardless I'll try with HBMame, thanks.
I'm trying to get it to work in launchbox where I play...
I had to start my setup over with a brand new mame as my hard drive died. I have latest MAME setup with all bios working NBA Jam works fine but with this version only I get incorrect checksum? It was working before my setup. Could it be latest MAME is the problem or something else?
Edit: Tried...