PSP Hacks: Create an Infrared Peripheral Interface

Overview

If one is lucky enough to own a Sony PSP capable of running homebrew software, one may have tried out some of the countless emulators and ports of older games out there already. The bad thing is that the user can't play all the old games in two-player mode. Finding a solution for this was actually the motivation to start with this hack. First, it had to avoid any hardware modifications on the PSP itself. Since the PSP already provides infrared and USB ports, this wasn't much of a problem. Secondly, it had to be cheap.