baweierjinzhibijiaoqi.txt

包内共有六个源代码

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity comp_8 is
port(a,b:in std_logic_vector(7 downto 0);
     y:out std_logic_vector(1 downto 0));
end comp_8;
architecture jiegou of comp_8 is
 begin
   process(a,b)
     begin
       if    (a>b)then y<="11";
       elsif (a<b)then y<="10";
       else            y<="00";
       end if;
   end process;
end jiegou;