SNI_RM200_INT_ENA_REG
*(volatile u8 *)SNI_RM200_INT_ENA_REG &= ~mask;
*(volatile u8 *)SNI_RM200_INT_ENA_REG |= mask;
mask = *(volatile u8 *)SNI_RM200_INT_ENA_REG ^ 0x1f;
* (volatile u8 *)SNI_RM200_INT_ENA_REG = 0x1f;