I have a 5770, just installed 11.12 and JPCSP seems to still run fine for me with r2934. I haven't tried that specific game though, does it still crash with the cube demo?
It still could very well be a platform specific driver issue because I'm on Win 7 x64, but I am running Java 7 though.
It still could very well be a platform specific driver issue because I'm on Win 7 x64, but I am running Java 7 though.