R600_SCRATCH_REG6
biosScratch6 = Read32(OUT, R600_SCRATCH_REG6);
Write32(OUT, R600_SCRATCH_REG6, biosScratch6);
uint32 biosScratch6 = Read32(OUT, R600_SCRATCH_REG6);
Write32(OUT, R600_SCRATCH_REG6, biosScratch6);