Thanks! Setting the environment variable SDL_VIDEODRIVER resolves the problem! (but I don't understand the different behavior between 0.65 and 0.70 - for example if I set SDL_VIDEODRIVER in 0.65 the savefiles of the games are corrupted)

Verified also in UUW2 and Elder Scrolls:Arena. I'm using the last drivers from nVidia (94.24). Anyway, I don't think It's a driver bug because I have DosBox 0.65 installed and I have absolutely no problems in it with the same configuration. It seems to me that It is a bug in the last DosBox version. …

The LCD screen is a 4:3 in native resolution 1400x1050. Using different resolutions in "fullresolution" setting doesn't remove the problem. Only using the "output=ddraw" setting the image is OK: everything from "surface" to "opengl" corrupts the screen, when used in conjunction with "aspect=true" …

I use DosBox under WinXP with a LCD monitor, connected through DVI to a nVidia GeForce 6600GT. In DosBox 0.65 I like to play games whose original resolution is 320x200 with the following configuration: fullscreen=true fullresolution=desktop output=overlay aspect=true scaler=advinterp3x (For example …