I hope your work has progressed a lot by now.
I got the PS iso for this game and converted it into a PSP EBOOT.pbp file a few days ago been playing it ever since
PSX2PSP <-- converts any psx game to an psp eboot i love it ^_^
i have cfw proB 10 6.60 on my psp
the game runs like its on the playstation never froze up so far.
anyway by the sounds of it you were hacking it to run on pc and have it mod enabled. that would be awesome.
I also do some c++, python programming. but i haven't hacked any roms yet..