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_13_fg_13_09.vhd,v 1.1.1.1 2001-08-22 18:20:48 paw Exp $

-- $Revision: 1.1.1.1 $

--

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

-- not in book

entity alarm_clock is

end entity alarm_clock;

-- end not in book

architecture top_level of alarm_clock is

  --use work.counter_types.digit;

  use work.counter_types.all;

  signal reset_to_midnight, seconds_clk : bit;

  signal seconds_units, seconds_tens : digit;

  -- . . .

begin

  seconds : configuration work.counter_down_to_gate_level

    port map ( clk => seconds_clk, clr => reset_to_midnight,

               q0 => seconds_units, q1 => seconds_tens );

  -- . . .

  -- not in book

  clk_gen : seconds_clk <= not seconds_clk after 20 ns;

  clr_gen : reset_to_midnight <= '1' after 95 ns,

		                 '0' after 135 ns;

  -- end not in book;

end architecture top_level;