satAddNComparebit64
rangeChk = satAddNComparebit64(LBA, TL);
rangeChk = satAddNComparebit64(LBA, TL);
rangeChk = satAddNComparebit64(LBA, TL);
rangeChk = satAddNComparebit64(LBA, TL);
bit32 satAddNComparebit64(bit8 *a, bit8 *b);