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diff --git a/testsuite/vests/vhdl-93/ashenden/compliant/ch_04_fg_04_01.vhd b/testsuite/vests/vhdl-93/ashenden/compliant/ch_04_fg_04_01.vhd
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+
+-- 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_04_fg_04_01.vhd,v 1.3 2001-11-03 23:19:37 paw Exp $
+-- $Revision: 1.3 $
+--
+-- ---------------------------------------------------------------------
+
+-- not in book:
+library ch4_pkgs;
+use ch4_pkgs.pk_04_01.all;
+-- end not in book
+
+
+entity coeff_ram is
+  port ( rd, wr : in bit;  addr : in coeff_ram_address;
+  d_in : in real;  d_out : out real );
+end entity coeff_ram;
+
+--------------------------------------------------
+
+architecture abstract of coeff_ram is
+begin
+
+  memory : process is
+                     type coeff_array is array (coeff_ram_address) of real;
+                   variable coeff : coeff_array;
+  begin
+    for index in coeff_ram_address loop
+      coeff(index) := 0.0;
+    end loop;
+    loop
+      wait on rd, wr, addr, d_in; 
+      if rd = '1' then
+        d_out <= coeff(addr);
+      end if;
+      if wr = '1' then
+        coeff(addr) := d_in;
+      end if;
+    end loop;
+  end process memory;
+
+end architecture abstract;