FM801_IRQ_PLAYBACK
FM801_IRQ_PLAYBACK | FM801_IRQ_CAPTURE | FM801_IRQ_MPU);
if (fm801_readw(chip, IRQ_STATUS) & FM801_IRQ_PLAYBACK) {
status &= FM801_IRQ_PLAYBACK|FM801_IRQ_CAPTURE|FM801_IRQ_MPU|FM801_IRQ_VOLUME;
if (chip->pcm && (status & FM801_IRQ_PLAYBACK) && chip->playback_substream) {