It looks better because PrBoom is a re-worked engine using a higher resolution in the game, it's not just scaled up. When you run the original DOOM program in DOSBox, its 320x200 resolution can't be internally changed to a higher res, it is only scaled up to the output size you request. In other …

Please forgive me for sounding like an idiot. I have never coded before, so I don't know how hard this would be. I am using a CRT monitor with a Nvidia 6800GT with Windows XP x64 and the latest drivers. My monitor resolution is 1024x768. I have tested the various resolutions and scaling options in …