/* If 8-bit I/O port operations are not supported, then ASSERT(). */
UINT8 EFIAPI IoAndThenOr8(IN UINTN Port, IN UINT8 AndData, IN UINT8 OrData)
/* If 8-bit I/O port operations are not supported, then ASSERT(). */
UINT8 EFIAPI IoAndThenOr8(IN UINTN Port, IN UINT8 AndData, IN UINT8 OrData)
{
  return IoWrite8 (Port, (UINT8)((IoRead8 (Port) & AndData) | OrData));
}