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1 d93979b7 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_04_fg_04_05.vhd,v 1.2 2001-11-03 23:19:37 paw Exp $
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-- $Revision: 1.2 $
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--
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-- ---------------------------------------------------------------------
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-- not in book:
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library ch4_pkgs;
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use ch4_pkgs.pk_04_02.all;
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-- end not in book:
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entity byte_swap is
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  port (input : in halfword;  output : out halfword);
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end entity byte_swap;
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--------------------------------------------------
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architecture behavior of byte_swap is
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begin
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  swap : process (input)
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  begin
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    output(8 to 15) <= input(0 to 7);
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    output(0 to 7) <= input(8 to 15);
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  end process swap;
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end architecture behavior;