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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_03_fg_03_02.vhd,v 1.3 2001-10-26 16:29:33 paw Exp $
-- $Revision: 1.3 $
--
-- ---------------------------------------------------------------------
-- test code:
use work.test_bench_03_02.all;
-- end test code
library ieee; use ieee.std_logic_1164.all;
entity mux4 is
port ( sel : in sel_range;
d0, d1, d2, d3 : in std_ulogic;
z : out std_ulogic );
end entity mux4;
architecture demo of mux4 is
begin
out_select : process (sel, d0, d1, d2, d3) is
begin
case sel is
when 0 =>
z <= d0;
when 1 =>
z <= d1;
when 2 =>
z <= d2;
when 3 =>
z <= d3;
end case;
end process out_select;
end architecture demo;
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