had the same problem on windows 7 so maybe it will help you more or less
http://forums.ppsspp.org/showthread.php?tid=17870
http://forums.ppsspp.org/showthread.php?tid=17870
Try AntiMicro graphical program used to map keyboard keys and mouse controls to a gamepad/controller.
http://forums.ppsspp.org/showthread.php?tid=12513
or http://www.x360ce.com
http://forums.ppsspp.org/showthread.php?tid=12513
or http://www.x360ce.com


