I have tried changing the core to "dynamic", as well as "full." No help there. I've tried shutting off the music and sound in the game, but that doesn't help either. Thanks for the ideas.. I've left my core on "dynamic" so hopefully that will help if I can find out what else is the problem here. I …

Hey, my bad for posting so soon. I managed to fix the flicker by enabling double buffering and fixed-fullscreen in the config file. The game still runs very slowly in that mode though. I've tried reducing the resolution but it crashes below 640x480. Any ideas on what I can do to increase the game …

Ultima Underworld is my all-time favorite game, but I haven't played it in some time due to its incompatibility with modern operating systems. I'm trying it on DOSBox and I'm very excited, as it's working with music. However, when I go to full-screen mode, the screen flickers every half second or so …