NIC_INB
tmp = NIC_INB(ED_P0_CR);
tmp = NIC_INB(ED_P0_ISR);
if ((NIC_INB(ED_P0_ISR) & ED_ISR_RST) == ED_ISR_RST) {
while (((NIC_INB(ED_P0_ISR) & ED_ISR_RDC) != ED_ISR_RDC) && --maxwait)