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

-- Translate a 4 Bit unsigned number to a 7-Segment Control
--           ---0---
--           |     |
--           5     1
--           |     |
--           ---6---
--           |     |
--           4     2
--           |     |
--           ---3---
-- Display the correct number for 0 - 9 and E for all other 
-- numbers which can be coded with 4 Bits (10-15).  

entity bin2seg is 
  port (
    number_i:   in  unsigned(3 downto 0);
    seg_o:      out std_ulogic_vector(6 downto 0)
  );
end; 

architecture rtl of bin2seg is
begin

  trans_p: process(number_i)
  begin
    case number_i is 
      when "0000" => seg_o <= "1000000";
      when "0001" => seg_o <= "1111001";
-- continue here...
      when others => seg_o <= "0000110";	
    end case;
  end process;
			   
end; -- architecture