SBUS_SMFLG_REG
_reg_write_4(SBUS_SMFLG_REG, SMFLG_PCMCIA_INT);
_reg_write_4(SBUS_SMFLG_REG, SMFLG_USB_INT);
stat = _reg_read_4(SBUS_SMFLG_REG);
_reg_write_4(SBUS_SMFLG_REG, SMFLG_PCMCIA_INT);
_reg_write_4(SBUS_SMFLG_REG, SMFLG_USB_INT);