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    {
    Author: Sean Palmer

    > Does anyone know how to detect when the modem connects?? Thanks.

    Check For a carrier: (periodically, like 2-4 times per second)
    }

    Const
      pBase = $3F8;  {change For which port you're using}
      pMSR  = pBase + 6; {modem status register}

    Function carrier : Boolean;
    begin
      carrier := (port[pMSR] and $80) <> 0;
    end;

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