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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_18_ch_18_04.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_18_04 is
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end entity ch_18_04;
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----------------------------------------------------------------
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architecture test of ch_18_04 is
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begin
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  process is
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            type data_file_type is file of character;
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          variable ch : character;
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          -- code from book:
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          procedure write_to_file is
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            file data_file : data_file_type open write_mode is "datafile";
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          begin
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            -- . . .
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            -- not in book
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            write(data_file, ch);
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            -- end not in book
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          end procedure write_to_file;
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          -- end of code from book
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  begin
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    ch := 'A';
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    write_to_file;
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    ch := 'B';
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    write_to_file;
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    ch := 'C';
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    write_to_file;
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    wait;
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  end process;
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end architecture test;
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