NE7_DIO
if ((msr & NE7_DIO) != 0)
if ((v & (NE7_RQM|NE7_DIO|NE7_CB)) == NE7_RQM) {
v &= (NE7_DIO | NE7_RQM | NE7_CB);
if (v == (NE7_DIO | NE7_RQM | NE7_CB)) {
if ((v & (NE7_DIO|NE7_RQM)) == NE7_RQM) {
(NE7_DIO | NE7_RQM | NE7_CB);
if (i == (NE7_DIO | NE7_RQM | NE7_CB)) {
while ((bus_space_read_1(iot, ioh, fdsts) & NE7_DIO) && i-- > 0);