var
  isenable: Byte;                  // unsigned char -> Byte
begin
  isenable := 0;                   // isenable = 0
  if m_Isbuzzer then               // if (m_Isbuzzer)
    isenable := isenable or $01;   // isenable = isenable | 0x01
  if m_Isled then                  // if (m_Isled)
    isenable := isenable or $02;   // isenable = isenable | 0x02
end;