PC-(Program Counter)

Library IEEE;

use IEEE.std_logic_1164.all;

use IEEE.std_logic_arith.all;

use IEEE.std_logic_unsigned.all;

entity PC is

port(PCce : in std_logic;

 clk : in std_logic;

 rst_n : in std_logic;

 sum : in std_logic_vector(7 downto 0);

 pc_out : out std_logic_vector(7 downto 0));

end PC;

architecture BEHAV of PC is

begin

process(clk, rst_n, Pcce)

begin

if(rst_n = '0')then

pc_out <= (others => '0');

elsif(clk ='0' and clk'event)then

if(PCce = '1') then

pc_out <= sum;

end if;

end if; 

end process;

end BEHAV;

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