-- EE 552 (A1)
-- Digital Self-regulating Humidifier
-- lut1.vhd - lookup table
--
-- Adrian Chan & Dan Kotylak
-- 97/10/31

library ieee;
use ieee.std_logic_1164.all;

-- entity declaration
entity lut1 is
   port(
      input : in std_logic_vector(6 downto 0);
      result : out std_logic_vector(3 downto 0)
   );
end lut1;

architecture struct of lut1 is
begin
   comb : process(input)
   begin
      case input is
         when "0111011" => -- 1
            result <= "0001";
         when "0111101" => -- 2
            result <= "0010";
         when "0111110" => -- 3
            result <= "0011";
         when "1011011" => -- 4
            result <= "0100";
         when "1011101" => -- 5
            result <= "0101";
         when "1011110" => -- 6
            result <= "0110";
         when "1101011" => -- 7
            result <= "0111";
         when "1101101" => -- 8
            result <= "1000";
         when "1101110" => -- 9
            result <= "1001";
         when "1110101" => -- 0
            result <= "0000";
         when others =>
            result <= "1111";
      end case;
   end process comb;
end struct;