43 lines
1.3 KiB
VHDL
43 lines
1.3 KiB
VHDL
-- Copyright (c) 2015 CERN
|
|
-- Maciej Suminski <maciej.suminski@cern.ch>
|
|
--
|
|
-- This source code is free software; you can redistribute it
|
|
-- and/or modify it in source code form 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.
|
|
--
|
|
-- This program 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 this program; if not, write to the Free Software
|
|
-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
|
|
|
|
|
-- Test for labeled assignment statements
|
|
|
|
library ieee;
|
|
use ieee.std_logic_1164.all;
|
|
|
|
entity labeled_assign is
|
|
port (input : in std_logic_vector(7 downto 0);
|
|
output : out std_Logic_vector(7 downto 0));
|
|
end entity;
|
|
|
|
architecture test of labeled_assign is
|
|
signal test_rx : std_logic_vector (7 downto 0);
|
|
begin
|
|
first_label: test_rx <= x"aa";
|
|
|
|
process(input)
|
|
variable tmp : std_logic_vector(7 downto 0);
|
|
begin
|
|
second_label: tmp := input;
|
|
third_label: output <= tmp xor x"cc";
|
|
end process;
|
|
|
|
end architecture;
|