se7.vhd

Fire&password数字系统实验

library ieee;
use ieee.std_logic_1164.all;

entity se7 is
    port(A,B,C,D  : in std_logic;
         E,F,G,H,I,J,K  : out std_logic);
end se7;

architecture se7_arc of se7 is
begin
     process(A,B,C,D)
     begin
          if(A='0'and B='0'and C='0'and D='0')then
             E<='1';F<='1';G<='1';
             H<='1';I<='1';J<='1';K<='0';
         elsif(A='1'and B='0'and C='0'and D='0')then
             E<='1';F<='1';G<='1';
             H<='1';I<='1';J<='1';K<='0';
         elsif(A='0'and B='1'and C='0'and D='0')then
             E<='1';F<='1';G<='0';
             H<='1';I<='1';J<='0';K<='1';
         elsif(A='1'and B='1'and C='0'and D='0')then
             E<='1';F<='1';G<='1';
             H<='1';I<='0';J<='0';K<='1';
         elsif(A='0'and B='0'and C='1'and D='0')then
             E<='0';F<='1';G<='1';
             H<='0';I<='0';J<='1';K<='1';
         elsif(A='1'and B='0'and C='1'and D='0')then
             E<='1';F<='0';G<='1';
             H<='1';I<='0';J<='1';K<='1';
         elsif(A='0'and B='1'and C='1'and D='0')then
             E<='1';F<='0';G<='1';
             H<='1';I<='1';J<='1';K<='1';
         elsif(A='1'and B='1'and C='1'and D='0')then
             E<='1';F<='1';G<='1';
             H<='0';I<='0';J<='0';K<='0';
         elsif(A='0'and B='0'and C='0'and D='1')then
             E<='1';F<='1';G<='1';
             H<='1';I<='1';J<='1';K<='1';
         elsif(A='1'and B='0'and C='0'and D='1')then
             E<='1';F<='1';G<='1';
             H<='1';I<='0';J<='1';K<='1';
         elsif(A='0'and B='1'and C='0'and D='1')then
             E<='1';F<='1';G<='1';
             H<='0';I<='1';J<='1';K<='1';
         elsif(A='1'and B='1'and C='0'and D='1')then
             E<='0';F<='0';G<='1';
             H<='1';I<='1';J<='1';K<='1';
         elsif(A='0'and B='0'and C='1'and D='1')then
             E<='1';F<='0';G<='0';
             H<='1';I<='1';J<='1';K<='0';
         elsif(A='1'and B='0'and C='1'and D='1')then
             E<='0';F<='1';G<='1';
             H<='1';I<='1';J<='0';K<='1';
         elsif(A='0'and B='1'and C='1'and D='1')then
             E<='1';F<='0';G<='0';
             H<='1';I<='1';J<='1';K<='1';
         else
             E<='1';F<='0';G<='0';
             H<='0';I<='1';J<='1';K<='1';
         end if;
      end process;
end se7_arc;