NWB253_CTLREG
if (hb_badaddr(NWB253_CTLREG, 2) || hb_badaddr(NWB253_CRTREG, 2))
if ((*(volatile uint16_t *)NWB253_CTLREG & 7) != 4)
volatile uint16_t *ctlreg = NWB253_CTLREG;
ctlreg = NWB253_CTLREG;
volatile uint16_t *ctlreg = NWB253_CTLREG;