RG8_PAL2MASK
ENG_REG8(RG8_PAL2MASK) = 0xff;
LOG(2,("DAC2: PAL pixrdmsk readback $%02x\n", ENG_REG8(RG8_PAL2MASK)));
ENG_REG8(RG8_PAL2MASK) = 0xff;
LOG(2,("DAC2: PAL pixrdmsk readback $%02x\n", ENG_REG8(RG8_PAL2MASK)));