library ieee;--32位寄存器模塊
use ieee.std_logic_1164.all;
entity reg32b is
	port(load,rst32:	in  std_logic;
		din:	in  std_logic_vector(31 downto 0);
		 dout:	out std_logic_vector(31 downto 0));
end reg32b;
architecture behav of reg32b is
begin
	process(load,din,rst32)
	begin
		if rst32='0' then dout<=(others=>'0');
			elsif load'event and load ='1' then dout<=din;
		end if;
	end process;
end behav;