iverilog/ivtest/ivltests/vhdl_eval_cond.vhd

38 lines
1.1 KiB
VHDL

-- Copyright (c) 2016 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 initial conditional assignment evaluation
library ieee;
use ieee.std_logic_1164.all;
entity vhdl_eval_cond is
port(
input : in std_logic;
output : out std_logic
);
end vhdl_eval_cond;
architecture rtl of vhdl_eval_cond is
begin
output <= '1' when input = '0' else '0';
end rtl;