CristalCaveGem » LustreC » Lustrec-Tests

-- Copyright (C) 1996 Morgan Kaufmann Publishers, Inc

-- This file is part of VESTs (Vhdl tESTs).

-- VESTs 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 2 of the License, or (at

-- your option) any later version. 

-- VESTs 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 VESTs; if not, write to the Free Software Foundation,

-- Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 

-- ---------------------------------------------------------------------

--

-- $Id: ch_03_ch_03_01.vhd,v 1.3 2001-10-26 16:29:33 paw Exp $

-- $Revision: 1.3 $

--

-- ---------------------------------------------------------------------

entity ch_03_01 is

end entity ch_03_01;

architecture test of ch_03_01 is

  signal en : bit := '0';

  signal data_in : integer := 0;

begin

  process_3_1_a : process (en, data_in) is

                                          variable stored_value : integer := 0;

  begin

    -- code from book:

    if en = '1' then

      stored_value := data_in;

    end if;

    -- end of code from book

  end process process_3_1_a;

  stimulus : process is

  begin

    en <= '1' after 10 ns, '0' after 20 ns;

    data_in <= 1 after 5 ns, 2 after 15 ns, 3 after 25 ns;

    wait;

  end process stimulus;

end architecture test;