NE7_ST0_IC_AT
fdc->status[0] = NE7_ST0_IC_AT;
if ((fdc->status[0] & NE7_ST0_IC) == NE7_ST0_IC_AT
else if((fdc->status[0] & NE7_ST0_IC) == NE7_ST0_IC_AT
if ((fdcsp->status[0] & NE7_ST0_IC_RC) != NE7_ST0_IC_AT) {