First, sorry my english....
Seeing that there is Sam Coupe's emulator (the simcoupe), available for GP2X and for PSP, might it port the emu of GP2X with the core of PSP's processor (like already there is some emulator)?
http://zx81.zx81.free.fr/serendipity/in ... 0-SamCoupe
http://zx81.zx81.free.fr/serendipity/in ... 7-SamCoupe
I have no idea about programming