library IEEE;

entity ELEVATOR is
generic (NUM_FLOORS    : positive);
  port (BUTTONS_IN     : in  bit_vector(1 to NUM_FLOORS);
	  BUTTONS_OUT    : in  bit_vector(1 to NUM_FLOORS);
        LIGHT_UP       : out bit;
        LIGHT_DN       : out bit;
        DOORS_OPENED   : out bit_vector(1 to NUM_FLOORS);
        MOTOR          : out bit_vector(0 to 1));
end ELEVATOR;

architecture MUDEL of ELEVATOR is
begin
	--here goes behavioural model of elevator

end MUDEL;