08-27-2011, 01:19 PM
it could be your video card or RAM, this is one of the more demanding PSP games if you want anything better than 20 FPS, The black screen could also be a bad rip of your game.(Your psp might of messed up while ripping it or something.
Processor: AMD Phenom II X4 970 3.7 GHz, GPU: Geforce GTX 550 Ti, Ram: 16 GB, Windows 7 64-bit