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diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/components-and-configs/reg-1.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/components-and-configs/reg-1.vhd
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+
+-- Copyright (C) 2002 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 
+
+library ieee;  use ieee.std_logic_1164.all;
+
+entity reg is
+  generic ( t_setup, t_hold, t_pd : delay_length;
+            width : positive );
+  port ( clock : in std_logic;
+         reset_n : in std_logic := 'H';
+         data_in : in std_logic_vector(0 to width - 1);
+         data_out : out std_logic_vector(0 to width - 1) );
+end entity reg;
+
+
+
+-- not in book
+
+architecture gate_level of reg is
+
+begin
+
+  store : process (clock, reset_n) is
+  begin
+    if reset_n = '0' or reset_n = 'L' then
+      data_out <= (others => '0') after t_pd;
+    elsif rising_edge(clock) then
+      data_out <= data_in after t_pd;
+    end if;
+  end process store;
+
+end architecture gate_level;
+
+-- end not in book