Well, working on compiling mame, more about that later. I also tried that, start a game, hit TAB and then configure the controls. Go to "start" and i see kb1and kb5 is configured there. i hit enter and then it goes blank, press the button i want to use on my gamepad, and i see it changes to that button. so i go down all the way, back to prior menu, back to game, give it a try and it wont work. Double checked by hitting TAB again, input is still ghanged. (Also tried diffrent buttons on my gamepad so i'm sure it's not a malfunction of a particular button) This all without using Xpadder btw. For me the weird thing is that any button works with any input, but just the 1 and 5 dont