It took me a while to get a chance. I fiddled with those settings, but nothing seemed to help. Has anyone ever heard of this issue with Duke 3D?

I recently setup dosbox to play a copy of WW2GI. It was never a big game, but it's a fun little FPS and was one of the first to do the whole D-Day, win the war thing. For some reason the fire button (Left Mouse Button) is only registering intermittently. I tried changing the amount of processor time …