-
Notifications
You must be signed in to change notification settings - Fork 3
/
program_memory.vhd
50 lines (44 loc) · 1.27 KB
/
program_memory.vhd
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
43
44
45
46
47
48
49
50
----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 02/20/2018 02:02:39 PM
-- Design Name:
-- Module Name: program_memory - Behavioral
-- Project Name:
-- Target Devices:
-- Tool Versions:
-- Description:
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx leaf cells in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
entity program_memory is
Port ( clock: in std_logic;
addr : in STD_LOGIC_VECTOR (31 downto 0);
data : out STD_LOGIC_VECTOR (31 downto 0));
end program_memory;
architecture Behavioral of program_memory is
type memory is array(0 to 1023) of std_logic_vector(31 downto 0);
signal mem: memory;
begin
process(clock) is
begin
if clock='1' and clock'event then
data <= mem(to_integer(unsigned(addr)));
end if;
end process;
end Behavioral;