kbian.vhd

来自「Fire&password数字系统实验」· VHDL 代码 · 共 64 行

library ieee;
use ieee.std_logic_1164.all;

entity kbian is
         port(A,B,C,D,E,F,G,H,I,J  : in std_logic;
              T,X,Y,Z,W            : out std_logic);
end kbian;

architecture kbian_arc of kbian is
begin
     process(A,B,C,E,F,G,H,I,J)
     begin
          if(A='1')then
            T<='1';
            X<='0';Y<='0';Z<='0';W<='0';
          elsif(B='1')then
            T<='1';
            X<='1';Y<='0';Z<='0';W<='0';
          elsif(C='1')then
            T<='1';
            X<='0';Y<='1';Z<='0';W<='0';
          elsif(D='1')then
            T<='1';
            X<='1';Y<='1';Z<='0';W<='0';
          elsif(E='1')then
            T<='1';
            X<='0';Y<='0';Z<='1';W<='0';
          elsif(F='1')then
            T<='1';
            X<='1';Y<='0';Z<='1';W<='0';
          elsif(G='1')then
            T<='1';
            X<='0';Y<='1';Z<='1';W<='0';
          elsif(H='1')then
            T<='1';
            X<='1';Y<='1';Z<='1';W<='0';
          elsif(I='1')then
            T<='1';
            X<='0';Y<='0';Z<='0';W<='1';
          elsif(J='1')then
            T<='1';
            X<='1';Y<='0';Z<='0';W<='1';
          else
            T<='0';
            X<='1';Y<='1';Z<='1';W<='1';
          end if;
     end process;
end kbian_arc;