-- Decode a 2-digit binary number into two numbers.

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

-- Comment out the Actel Library 

-- library asyl;
-- use asyl.arith.all;

-- input: A 2-digit binary number, which has the range from 000000 to
--	  111011, i.e 0 to 59.  The maximum is 59 as we use this for our
--	  clock. 
-- tenth: A 1-digit binary number which indicates the first digit of the
--	  binary number
-- one: A 1-digit binary number which indicates the one of the binary
--	number

entity mdecoder is 
	port (
		input: in std_logic_vector(5 downto 0);
		tenth: out std_logic_vector(5 downto 0);
		one: out std_logic_vector(5 downto 0)
	);
end mdecoder;

architecture behaviour of mdecoder is

begin

	mdecode : process(input)
	
	variable temp: std_logic_vector(5 downto 0);

	begin
		if input >= "110010" then
			tenth <= "000101";
			one <= input - "110010";

		elsif input >= "101000" then
			tenth <= "000100";
			one <= input - "101000";

		elsif input >= "011110" then
			tenth <= "000011";
			one <= input - "011110";

		elsif input >= "010100" then
			tenth <= "000010";
			one <= input - "010100";

		elsif input >= "001010" then
			tenth <= "000001";
			one <= input - "001010";

		else
			tenth <= "000000";
			one <= input;
		end if;		
	end process mdecode;
end behaviour;