try here The Emulator Zone - Sony PSP
I've been looking around and can't seem to find a decent emulator. Anyone have any idea if there are real ones? Nothing is perfect, but anything would be nice.
Jpcsp v0.4 (rev. 1287) Officially Released; The Java PSP Emulator for Windows | PSP Hacks · PSP Go Hacks · PSP Homebrew, PSP Downloads, PSP Custom Firmware
It's not perfect but it's the best one out. They're trying hard.