bt_inb
while (((intstat = bt_inb(bt, INTSTAT_REG)) & INTR_PENDING) != 0) {
bt->latched_status = bt_inb(bt, STATUS_REG);
status = bt_inb(bt, STATUS_REG);
status = bt_inb(bt, STATUS_REG);
status = bt_inb(bt, STATUS_REG);
bt_inb(bt, DATAIN_REG));
status = bt_inb(bt, STATUS_REG);
(void)bt_inb(bt, DATAIN_REG);
status = bt_inb(bt, STATUS_REG);
intstat = bt_inb(bt, INTSTAT_REG);
status = bt_inb(bt, STATUS_REG);
intstat = bt_inb(bt, INTSTAT_REG);
data = bt_inb(bt, DATAIN_REG);
status = bt_inb(bt, STATUS_REG);
status = bt_inb(bt, STATUS_REG);
intstat = bt_inb(bt, INTSTAT_REG);
geometry = bt_inb(bt, GEOMETRY_REG);
((bt_inb(bt, GEOMETRY_REG) & EXTENDED_TRANSLATION) != 0);