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-- Copyright (c) 2013 Antonio de la Piedra

-- This program is free software: you can redistribute it and/or modify

-- it under the terms of the GNU General Public License as published by

-- the Free Software Foundation, either version 3 of the License, or

-- (at your option) any later version.

-- This program is distributed in the hope that it will be useful,

-- but WITHOUT ANY WARRANTY; without even the implied warranty of

-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

-- GNU General Public License for more details.

-- You should have received a copy of the GNU General Public License

-- along with this program.  If not, see <http://www.gnu.org/licenses/>.

LIBRARY ieee;

USE ieee.std_logic_1164.ALL;

ENTITY tb_pi_2 IS

END tb_pi_2;

ARCHITECTURE behavior OF tb_pi_2 IS

    -- Component Declaration for the Unit Under Test (UUT)

    COMPONENT pi_2

    PORT(

         a_1_in : IN  std_logic_vector(31 downto 0);

         a_2_in : IN  std_logic_vector(31 downto 0);

         a_3_in : IN  std_logic_vector(31 downto 0);

         a_1_out : OUT  std_logic_vector(31 downto 0);

         a_2_out : OUT  std_logic_vector(31 downto 0);

         a_3_out : OUT  std_logic_vector(31 downto 0)

        );

    END COMPONENT;

   --Inputs

   signal a_1_in : std_logic_vector(31 downto 0) := (others => '0');

   signal a_2_in : std_logic_vector(31 downto 0) := (others => '0');

   signal a_3_in : std_logic_vector(31 downto 0) := (others => '0');

        --Outputs

   signal a_1_out : std_logic_vector(31 downto 0);

   signal a_2_out : std_logic_vector(31 downto 0);

   signal a_3_out : std_logic_vector(31 downto 0);

   -- No clocks detected in port list. Replace <clock> below with 

   -- appropriate port name 

BEGIN

        -- Instantiate the Unit Under Test (UUT)

   uut: pi_2 PORT MAP (

          a_1_in => a_1_in,

          a_2_in => a_2_in,

          a_3_in => a_3_in,

          a_1_out => a_1_out,

          a_2_out => a_2_out,

          a_3_out => a_3_out

        );

   -- Stimulus process

   stim_proc: process

   begin

                a_1_in <= X"43575679";

      a_2_in <= X"465647e0";

      a_3_in <= X"c002aeef";

      wait;

   end process;

END;