RCV_RDY
while (duart->statusA&RCV_RDY || duart->statusB&RCV_RDY) {
if (duart->statusA&RCV_RDY) {
if ((status = duart->statusB) & RCV_RDY &&
} else if ((status = duart->statusB)&RCV_RDY &&
while (duart->statusA&RCV_RDY) {
while (!(duart->statusA&RCV_RDY))
if (duart->statusA&RCV_RDY) {
if (duart->statusB&RCV_RDY) {
if (duart->statusB&RCV_RDY) {
if (duart->statusB & RCV_RDY) {
if (duart->statusB&RCV_RDY) {