blob: 181064e413425eb97b9b9f397802e02beff412e6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
-- Copyright (C) 2002 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
entity reg is
generic ( width : positive );
port ( d : in bit_vector(0 to width - 1);
q : out bit_vector(0 to width - 1);
clk, reset : in bit );
end entity reg;
--------------------------------------------------
architecture behavioral of reg is
begin
behavior : process (clk, reset) is
constant zero : bit_vector(0 to width - 1) := (others => '0');
begin
if reset = '1' then
q <= zero;
elsif clk'event and clk = '1' then
q <= d;
end if;
end process behavior;
end architecture behavioral;
|