MUX64_4.vhd

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-- Company: 
-- Engineer: 
-- 
-- Create Date:    13:41:24 06/18/2008 
-- Design Name: 
-- Module Name:    MUX64_2 - Behavioral 
-- Project Name: 
-- Target Devices: 
-- Tool versions: 
-- Description: 
--
-- Dependencies: 
--
-- Revision: 
-- Revision 0.01 - File Created
-- Additional Comments: 
--
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library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;

---- Uncomment the following library declaration if instantiating
---- any Xilinx primitives in this code.
--library UNISIM;
--use UNISIM.VComponents.all;

entity MUX64_4 is
    Port ( in0 : in  STD_LOGIC_VECTOR (63 downto 0);
           in1 : in  STD_LOGIC_VECTOR (63 downto 0);
           in2 : in  STD_LOGIC_VECTOR (63 downto 0);
           in3 : in  STD_LOGIC_VECTOR (63 downto 0);
           sel : in  STD_LOGIC_VECTOR (1 downto 0);
           muxout : out  STD_LOGIC_VECTOR (63 downto 0));
end MUX64_4;

architecture Behavioral of MUX64_4 is

begin

    process(sel,in0,in1,in2,in3)
    begin

        if sel = 0 then     muxout <= in0;
        
        elsif sel = 1 then  muxout <= in1;      
        elsif sel = 2 then  muxout <= in2;  
        elsif sel = 3 then  muxout <= in3;  
        
        end if;
    end process;
end Behavioral;