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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_07_ch_07_03.vhd,v 1.3 2001-10-26 16:29:34 paw Exp $
-- $Revision: 1.3 $
--
-- ---------------------------------------------------------------------
entity ch_07_03 is
end entity ch_07_03;
library bv_utilities;
use bv_utilities.bv_arithmetic.all;
architecture test of ch_07_03 is
constant T_delay_adder : delay_length := 10 ns;
-- code from book:
function bv_add ( bv1, bv2 : in bit_vector ) return bit_vector is
begin
-- . . .
-- not in book
return bv1 + bv2;
-- end not in book
end function bv_add;
signal source1, source2, sum : bit_vector(0 to 31);
-- end of code from book
begin
-- code from book:
adder : sum <= bv_add(source1, source2) after T_delay_adder;
-- end of code from book
stimulus : process is
begin
wait for 50 ns;
source1 <= X"00000002"; source2 <= X"00000003"; wait for 50 ns;
source2 <= X"FFFFFFF0"; wait for 50 ns;
source1 <= X"00000010"; wait for 50 ns;
wait;
end process stimulus;
end architecture test;
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