All sorted - thanks. The part I was missing was hitting Tab when I started up the game so I could see the config settings. Once I worked that out the Dipswitch change is an easy one.

Thanks Tafoid, but I don't think the Configuration interface in Mame133 had that option (I can't find it anyway).

I managed to find the mame.cfg file, and the screen rotation settings look like the attached. Any thoughts on what I need to change?

Thanks

Hi guys - built a MAME upright cab about 10 years ago (Mame133 and using GameEx frontend), and haven't have any issues with it since, so have really had no need to go back in and revisit settings etc. Noticed recently though that a few games are flipping for player two (like they're on a cocktail ca...