2. its a combinated cabinet. i wanna run from a pc pinball emulators, so the display has to be built in upright.
in pc/mame mode its no problem, its fullscreen for playing pinballs
the retropie pi2 ist attached wthe hdmi. but how can i say the retropie machine – when i activated 90 degrees turn option – that the emulators have to run centered in native resolution. so you see when running an emulator ( AMIGA – 384×216 pixel) it has to run in the centered middle of the upright installed monitor….