> I don't recall seeing any accesses to 0xC3000000. That region is unemulated in my > version of Supermodel and seems to cause no problems. There are only two sets of > missing textures: some decals on AI vehicles and the course selection screen.
Check the ROM test. It uses that region (it's just an MMU mirror of the normal CROM bank window, probably intended to mess with bootleggers/emulators).