PSPdisp is a program package from JJS for your PSP to enable you to use your handheld as an additional monitor under Windows. Interestingly enough, it is able to give you an additional monitor with a 960x544 resolution, four times the area of the PSP display.
This program basically has four components working together. Explains the dev:
... on Windows, a display driver, an USB driver and the interface application which captures the screen, compresses it and sends it over USB to the PSP. On the PSP side there is an application that decompresses the frames and displays them. All settings are adjustable from the Windows side, the PSP really only acts as a passive display.
For the requirements, this program works with either a slim or phat model running on CFW. So far, it's been reported to work on the following: 3.40-OEA, M33 version 3.52, 3.71, 3.90, 4.01, 5.00.
We've also got a demo video here for you. You can check it out just after the changelog for v0.2.
Download:
PSPdisp v0.2