decode_mtr
decode_mtr(slot_row, pvt->b0_mtr[slot_row]);
decode_mtr(slot_row, pvt->b1_mtr[slot_row]);
decode_mtr(slot_row, pvt->b0_mtr[slot_row]);
decode_mtr(slot_row, pvt->b1_mtr[slot_row]);
mtr = decode_mtr(pvt, slot, ch, branch,