mul70.vhd

来自「在gf(2^13)中」· VHDL 代码 · 共 56 行

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-- Company: 
-- Engineer:
--
-- Create Date:    16:57:29 04/09/08
-- Design Name:    
-- Module Name:    mul70 - Behavioral
-- Project Name:   
-- Target Device:  
-- Tool versions:  
-- Description:
--
-- Dependencies:
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-- 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 mul70 is
	port(
	mul70_in:in std_logic_vector(12 downto 0);	  --msb_lsb
	mul70_out:out std_logic_vector(12 downto 0)
	);
end mul70;

architecture Behavioral of mul70 is

begin

mul70_out(0)<=mul70_in(3) xor mul70_in(6) xor mul70_in(7) xor mul70_in(11) xor mul70_in(12) xor mul70_in(0);
mul70_out(1)<=mul70_in(3) xor mul70_in(6) xor mul70_in(8) xor mul70_in(11) xor mul70_in(1) xor mul70_in(4);
mul70_out(2)<=mul70_in(2) xor mul70_in(12) xor mul70_in(4) xor mul70_in(5) xor mul70_in(7) xor mul70_in(0) xor mul70_in(9);
mul70_out(3)<=mul70_in(7) xor mul70_in(1) xor mul70_in(11) xor mul70_in(12) xor mul70_in(5) xor mul70_in(10) xor mul70_in(8);
mul70_out(4)<=mul70_in(9) xor mul70_in(2) xor mul70_in(8) xor mul70_in(7) xor mul70_in(3);
mul70_out(5)<=mul70_in(8) xor mul70_in(4) xor mul70_in(10) xor mul70_in(3) xor mul70_in(9);
mul70_out(6)<=mul70_in(5) xor mul70_in(11) xor mul70_in(4) xor mul70_in(10) xor mul70_in(0) xor mul70_in(9);
mul70_out(7)<=mul70_in(11) xor mul70_in(10) xor mul70_in(1) xor mul70_in(5) xor mul70_in(6) xor mul70_in(0) xor mul70_in(12);
mul70_out(8)<=mul70_in(11) xor mul70_in(2) xor mul70_in(12) xor mul70_in(6) xor mul70_in(1) xor mul70_in(7);
mul70_out(9)<=mul70_in(12) xor mul70_in(3) xor mul70_in(2) xor mul70_in(8) xor mul70_in(7);
mul70_out(10)<=mul70_in(9) xor mul70_in(3) xor mul70_in(0) xor mul70_in(4) xor mul70_in(8);
mul70_out(11)<=mul70_in(4) xor mul70_in(5) xor mul70_in(1) xor mul70_in(10) xor mul70_in(9);
mul70_out(12)<=mul70_in(2) xor mul70_in(5) xor mul70_in(10) xor mul70_in(11) xor mul70_in(6);

end Behavioral;