I always use zsnes to emulate SNES and play my favorite games on the PC! (Mario Kart and Super Metroid).
Now, I bought a PSP and I'd like to play SNES over PSP :D.
Sinse PSP processor can run to 333MHz, and Snes9x has a port to PSP (very buggy until now http://yoyofr92.free.fr/psp/snespsp.html\), I think that zsnes could be ported to PSP too.
At http://ps2dev.org/ you can download pspsdk and psptoolchains to compile (over linux) programs for PSP!
I don't know much about emulation... but pspsdk has a graphic library very similar to sdl and opengl... and it has sound, input, usb and wlan libraries too.
Could you implement a port of ZSnes to PSP ? (or give me some help to port it??)