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d93979b7
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Arnaud Dieumegard
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-- Copyright (C) 1996 Morgan Kaufmann Publishers, Inc
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-- This file is part of VESTs (Vhdl tESTs).
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-- VESTs is free software; you can redistribute it and/or modify it
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-- under the terms of the GNU General Public License as published by the
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-- Free Software Foundation; either version 2 of the License, or (at
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-- your option) any later version.
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-- VESTs is distributed in the hope that it will be useful, but WITHOUT
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-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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-- for more details.
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-- You should have received a copy of the GNU General Public License
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-- along with VESTs; if not, write to the Free Software Foundation,
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-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-- ---------------------------------------------------------------------
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--
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-- $Id: ch_21_ch_21_02.vhd,v 1.2 2001-10-26 16:29:36 paw Exp $
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-- $Revision: 1.2 $
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--
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-- ---------------------------------------------------------------------
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entity ch_21_02 is
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end entity ch_21_02;
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----------------------------------------------------------------
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architecture test of ch_21_02 is
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signal s : bit;
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begin
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-- code from book:
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p : postponed process is
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-- . . .
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begin
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-- . . .
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wait until s = '1';
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-- . . . -- s may not be '1'!!
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-- not in book
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report bit'image(s);
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wait;
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-- end not in book
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end postponed process p;
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-- end of code from book
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stimulus : process is
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begin
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wait for 10 ns;
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s <= '1';
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wait for 0 ns;
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s <= '0';
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wait;
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end process stimulus;
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end architecture test;
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