-- C16 System On Chip Architecture
-- Copyright (C) 2003 by Cole Design and Development all rights reserved

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

entity led_decoder is
    Port ( d : in std_logic_vector(3 downto 0);
           s : out std_logic_vector(6 downto 0));
end led_decoder;

architecture Behavioral of led_decoder is

begin

    s <= "1110111" when d="0000" else -- 0
         "0010010" when d="0001" else -- 1
         "1011101" when d="0010" else -- 2
         "1011011" when d="0011" else -- 3
         "0111010" when d="0100" else -- 4
         "1101011" when d="0101" else -- 5
         "1101111" when d="0110" else -- 6
         "1010010" when d="0111" else -- 7
         "1111111" when d="1000" else -- 8
         "1111011" when d="1001" else -- 9
         "1111110" when d="1010" else -- A
         "0101111" when d="1011" else -- B
         "0001101" when d="1100" else -- C
         "0011111" when d="1101" else -- D
         "1101101" when d="1110" else -- E
         "1101100" when d="1111" else -- F
         "0000000";						  -- blank

end Behavioral;