Date: 01-10-10 14:02
Unfortunately we have not made that port, so I can only give you the generic Exult answer. When you start Exult, on the screen where you select to either play BG or SI, click on setup and make sure cheating is on.
In the game you will have to use the keyboard shortcuts that enable god mode, hackmover and so on http://exult.sourceforge.net/docs.php#exult_cheats
I cannot say how you pass keyboard commands to the psp. Maybe there is a readme with the port.
Edit: just downloaded that package and it seems you have no direct chance of passing on the cheat keys...
Just maybe extracting the flx files and changing the defaultkeys might help but then you will loose other functionality :(
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