GFFB_PTIMER
GFFB_WRITE_4(GFFB_PTIMER + 0x800, 8);
GFFB_WRITE_4(GFFB_PTIMER + 0x840, 3);
GFFB_WRITE_4(GFFB_PTIMER + 0x500, 0);
GFFB_WRITE_4(GFFB_PTIMER + 0x400, 0xffffffff);