cpw16_f
cpw16_f(IntrMask, cp_intr_mask);
cpw16_f(IntrMask, cp_norx_intr_mask);
cpw16_f(CpCmd, cp->cpcmd);
cpw16_f(IntrMask, cp_intr_mask);
cpw16_f(IntrMask, cp_norx_intr_mask);
cpw16_f(IntrMask, 0);
cpw16_f(CpCmd, 0);
cpw16_f(IntrStatus, ~(cpr16(IntrStatus)));