PCF8583_REG_YEARDATE
PCF8583_REG_YEARDATE,
dt->dt_day = bcdtobin(bcd[PCF8583_REG_YEARDATE] & PCF8583_DATE_MASK);
(bcd[PCF8583_REG_YEARDATE] &
bcd[PCF8583_REG_YEARDATE] = bintobcd(dt->dt_day) |