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pc_regi.vhd
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----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 04.04.2018 19:29:42
-- Design Name:
-- Module Name: pc_regi - 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 pc_regi is
port (
clock : in STD_LOGIC;
sel : in STD_LOGIC;
oldPC : in STD_LOGIC_VECTOR(31 DOWNTO 0);
newPC : out STD_LOGIC_VECTOR(31 DOWNTO 0)
);
end pc_regi;
architecture pc_regi_arch of pc_regi is
begin
process(clock)
begin
if rising_edge(clock) then
if sel='1' then
newPC <= oldPC;
end if;
end if;
end process;
end pc_regi_arch;