MASK_28
if (0 != (isr & (MASK_28))) {
isr &= ~MASK_28;
saa7146_write(dev, MC1, (MASK_12 | MASK_28));
if (0 != (isr & (MASK_28))) {
*hps_ctrl &= ~(MASK_30 | MASK_31 | MASK_28);
hps_ctrl &= ~( MASK_31 | MASK_30 | MASK_28 );
saa7146_write(dev, MC1, (MASK_12 | MASK_28));
SAA7146_IER_DISABLE(dev,MASK_28);
WRITE_RPS1(MASK_28 | MASK_12);
SAA7146_IER_ENABLE(dev, MASK_28);
SAA7146_IER_DISABLE(dev, MASK_28);
SAA7146_IER_ENABLE(dev,MASK_28);
saa7146_write(dev, MC1, MASK_28);