library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;

entity compute_led is
    port (P,T,DC,CO:  in  std_logic;
          L0,L1,L2,L3:out std_logic);
end compute_led;

architecture behavioral of compute_led is
begin
process (P,T,DC,CO)
begin
	if P = '1' then
		L0<='1';
		L1<='1';
		L2<='1';
		L3<='1';
	elsif T = '1' then
		L0<='1';
		L1<='1';
		L2<='1';
		L3<='0';
	elsif DC = '1' then
		L0<='1';
		L1<='1';
		L2<='0';
		L3<='0';
	elsif CO = '1' then
		L0<='1';
		L1<='0';
		L2<='0';
		L3<='0';
	else
		L0<='0';
		L1<='0';
		L2<='0';
		L3<='0';	
	end if;
end process;
end behavioral;