library ieee;
use ieee.std_logic_1164.all;

ENTITY Multiplexer IS
	-- No carry in or carry out for demonstration purposes
	PORT (
        Input0       		: IN  STD_LOGIC_VECTOR(3 downto 0);
        Input1       		: IN  STD_LOGIC_VECTOR(3 downto 0);
        Input2       		: IN  STD_LOGIC_VECTOR(3 downto 0);
        Input3       		: IN  STD_LOGIC_VECTOR(3 downto 0);
        Input4				: IN  STD_LOGIC;
        Control       		: IN  STD_LOGIC_VECTOR(1 downto 0);
        Output1     		: OUT STD_LOGIC_VECTOR(3 downto 0);
        Output2				: OUT STD_LOGIC
	);
END Multiplexer;

ARCHITECTURE Procedural of Multiplexer IS

BEGIN

	PROCESS (Input0, Input1, Input2, Input3,Input4, Control)
	BEGIN
		CASE Control is
			when "00"   => Output1 <= Input0;
			when "01"   => Output1 <= Input1;
			when "10"   => Output1 <= Input2;
			when others => Output1<= Input3;
		END CASE;
		CASE Control is
			when "00"   => Output2 <= '0';
			when "01"   => Output2 <= '0';
			when "10"   => Output2 <= '0';
			when others => Output2 <= Input4;
		END CASE;
	END PROCESS;

END Procedural;