ED_ISR_RDC
bus_space_write_1(nict, nich, ED_P0_ISR, ED_ISR_RDC);
while (((bus_space_read_1(nict, nich, ED_P0_ISR) & ED_ISR_RDC) !=
ED_ISR_RDC) && --maxwait) {
bus_space_write_1(nict, nich, ED_P0_ISR, ED_ISR_RDC);
while (((bus_space_read_1(nict, nich, ED_P0_ISR) & ED_ISR_RDC) !=
ED_ISR_RDC) && --maxwait)