The PSP hardware (333 MHz CPU, 64 MB RAM) could not realistically run the Black Ops engine, which was built for Xbox 360/PS3/PC.
Map the buttons to an external Bluetooth controller for a console-like experience. Call Of Duty Black Ops Ppsspp Game Download
: The only official Call of Duty installment developed specifically for the PSP. It features three campaigns (US, Canada, and Great Britain) and is the primary game players download for the PPSSPP emulator. The PSP hardware (333 MHz CPU, 64 MB