Here is a PSP Joystick samlpe i made for anyone who needs it. Many have asked for it so here it is… Schematic is for a 18F2525 but i need to draw that part so bare with me…
PSPJoyStick (PDF)
marks-psp-joystick (BY: Mark Higgins )
To use above part download and rename extension to a ZIP file and extract the library.