X1241REG_SC
ret = time_readrtc(sa->sa_interface, sa->sa_device, SMB_2BYTE_ADDR, X1241REG_SC);
WRITERTC(sc, X1241REG_SC, bintobcd(ymdhms->dt_sec));
ymdhms->dt_sec = bcdtobin(READRTC(sc, X1241REG_SC));
#define RTC_SECONDS(rtc) bcdtobin(READRTC((rtc), X1241REG_SC))
ret = time_readrtc(sa->sa_interface, sa->sa_device, SMB_2BYTE_ADDR, X1241REG_SC);
WRITERTC(sc, X1241REG_SC, bintobcd(ymdhms->dt_sec));
ymdhms->dt_sec = bcdtobin(READRTC(sc, X1241REG_SC));
#define RTC_SECONDS(rtc) bcdtobin(READRTC((rtc), X1241REG_SC))