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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_05_ch_05_08.vhd,v 1.3 2001-10-26 16:29:33 paw Exp $
-- $Revision: 1.3 $
--
-- ---------------------------------------------------------------------
entity ch_05_08 is
end entity ch_05_08;
library stimulus;
architecture test of ch_05_08 is
constant T_pd : delay_length := 5 ns;
signal a, b : bit := '0';
signal test_inputs : bit_vector(1 to 2);
use stimulus.stimulus_generators.all;
begin
block_05_3_f : block is
signal sum, carry : bit;
begin
-- code from book:
half_add : process is
begin
sum <= a xor b after T_pd;
carry <= a and b after T_pd;
wait on a, b;
end process half_add;
-- end of code from book
end block block_05_3_f;
block_05_3_g : block is
signal sum, carry : bit;
begin
-- code from book:
half_add : process (a, b) is
begin
sum <= a xor b after T_pd;
carry <= a and b after T_pd;
end process half_add;
-- end of code from book
end block block_05_3_g;
stimulus_05_3_f_g :
all_possible_values(test_inputs, 20 ns);
(a, b) <= test_inputs;
end architecture test;
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