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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: ap_a_ap_a_06.vhd,v 1.1.1.1 2001-08-22 18:20:47 paw Exp $
+-- $Revision: 1.1.1.1 $
+--
+-- ---------------------------------------------------------------------
+
+entity ap_a_06 is
+
+end entity ap_a_06;
+
+
+library ieee; use ieee.std_logic_1164.all;
+
+architecture test of ap_a_06 is
+
+ signal a, ts, x : std_ulogic;
+
+begin
+
+ -- code from book
+
+ ts <= a when x = '1' else
+ 'Z';
+
+ -- end code from book
+
+ x <= '0', '1' after 20 ns;
+ a <= '0', '1' after 10 ns, '0' after 20 ns, '1' after 30 ns;
+
+end architecture test;
+