-- by Dan Kotylak 
-- part of the digital self regulating humidifier

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
--use ieee.std_logic_unsigned.all;

entity subtractout is 
	port (
			A,B: in std_logic_vector(6 downto 0);
			data_out: out std_logic_vector(6 downto 0)
	);
end subtractout;

architecture behaviour of subtractout is
	begin
	
	data_out<=A-B;
		
end behaviour;