Im have a ps2 to usb adapter but when I try to play FF7 with it, it doesn't register but, if I use my wired xbox controller it works no problem. I would use my xbox controller but some of the buttons are stiff and the analog gets stuck sometimes.
EDIT: Also when I installed it there was not input.cfg and it says that in red text when I start it up.
EDIT: Xpadder works but not in fullscreen mode, I have to have xpadder open covering up the screen and that makes final fantasy 7 have no sound.