You might need the emulator here:
Slim:
http:// dl. q j .net/Snes9xTYL-0.4.2-ME-for-PSP-Slim-PSP-Emulators/pg/12/fid/14889/catid/135
Phat:
http:// dl .q j .net/Snes9xTYL++-Beta-quick-save-state-and-autofire-pat-PSP-Emulators/pg/12/fid/14072/catid/135
Chrono Trigger:
http://rapidshare.com/files/74370434/Chrono_Trigger.smc