八位码校验.txt

这些程序我用MAX+PlusII软件测试均能通过编译

library ieee; 
use ieee.std_logic_1164.all; 
entity wind is 
port(a,b:in std_logic_vector(7 downto 0); 
eq:out std_logic); 
end entity wind; 
architecture art of wind is 
begin 
eq<='1'when a=b else '0'; 
end architecture art;