I haven't got that game.. so, I'm unable to test it.
If it is possible, you may send me a "savestate file" (zipped, of course) by mail, as well as some data regarding the game (if it is english or japanese version, etc, etc). So I can give a try and find out what's wrong with it.
My mail is
adripsx@psxemu.com
See ya.
Roor.