DSXXXX_SECONDS
.dm_ch_reg = DSXXXX_SECONDS,
.dm_ch_reg = DSXXXX_SECONDS,
dt->dt_sec = bcdtobin(bcd[DSXXXX_SECONDS] & DSXXXX_SECONDS_MASK);
bcd[DSXXXX_SECONDS] = bintobcd(dt->dt_sec);
.dm_ch_reg = DSXXXX_SECONDS,