PL01X_FR_RXFE
while (! ISSET(PREAD1(pi, PL01XCOM_FR), PL01X_FR_RXFE)
if (!ISSET(fr, PL01X_FR_RXFE) &&
if (ISSET(fr, PL01X_FR_RXFE))
if (ISSET(fr, PL01X_FR_RXFE))
if (ISSET(PREAD1(pi, PL01XCOM_FR), PL01X_FR_RXFE)) {
&& !ISSET(stat = PREAD1(pi, PL01XCOM_FR), PL01X_FR_RXFE)) {
data = bus_space_read_1(iot, ioh, plcom_fr) & (PL01X_FR_RXFF | PL01X_FR_RXFE);
if (data != PL01X_FR_RXFE)