Well, the fact is that I want the twobox to play the games on my 1920x1200 screen only in a 640x480 frame, but not in the form window, but in fullscreen.

I want it to look like this:

I have changed all parameters in dosbox.conf a lot of times, but I do not give the result I want.

The same can not be done.

Let's see if anyone can help me.

And by the way, if you could, put a bezel would be fantastic ... Something like this:

By the way, I do not use rocketlauncher or retroarch. My dosbox goes in Attract Mode, and full screen looks good, but with too many pixels.

Thanks for the help, friends.