MINSHIFT
tim |= tm.tm_min << MINSHIFT;
ASSERT(highbit > MINSHIFT);
return (highbit - MINSHIFT);
LE_16(hour << HOURSHIFT | min << MINSHIFT | (sec / 2) << SECSHIFT);
min = (LE_16(pctp->pct_time) >> MINSHIFT) & MINMASK;
LE_16(23 << HOURSHIFT | 59 << MINSHIFT | (59/2) << SECSHIFT)