VIA_RPSTAT_INTR
if (via_rd(via, VIA_PLAY_STAT, 1) & VIA_RPSTAT_INTR) {
via_wr(via, VIA_PLAY_STAT, VIA_RPSTAT_INTR, 1);
if (via_rd(via, VIA_RECORD_STAT, 1) & VIA_RPSTAT_INTR) {
via_wr(via, VIA_RECORD_STAT, VIA_RPSTAT_INTR, 1);