> Locate your mame.ini > > # WINDOWS VIDEO OPTIONS > # > video d3d > numscreens 1 > window 0 > maximize 1 > keepaspect 1 > prescale 1 > waitvsync 1 > syncrefresh 1 > menu 0 > > Then after launching a game press TAB/video options > and you will be able to get things exactly how you want it.
I don't understand how enabling vsync helps with "uneven" pixels
He needs to keep whatever his current settings are and set prescale to 2 or 3.