library IEEE;
use IEEE.std_logic_1164.all;

entity shifting_hex is
	port (
			binary_number : in std_logic_vector (3 downto 0);
			display_ssd0 : out std_logic_vector (6 downto 0);
			display_ssd1 : out std_logic_vector (6 downto 0);
			display_ssd2 : out std_logic_vector (6 downto 0);
			display_ssd3 : out std_logic_vector (6 downto 0);
			display_ssd4 : out std_logic_vector (6 downto 0);
			display_ssd5 : out std_logic_vector (6 downto 0);
			display_ssd6 : out std_logic_vector (6 downto 0);
			display_ssd7 : out std_logic_vector (6 downto 0)
		);
end shifting_hex;


architecture arch of shifting_hex is
begin
		process (binary_number)
		begin
			if (binary_number="0000") then --0
				display_ssd7 <= "1000000";
				display_ssd6 <= "1111001";
				display_ssd5 <= "0100100";
				display_ssd4 <= "0110000";
				display_ssd3 <= "0011001";
				display_ssd2 <= "0010010";
				display_ssd1 <= "0000010";
				display_ssd0 <= "1111000";
							
			elsif (binary_number="0001") then --1
				display_ssd7 <= "1111001";
				display_ssd6 <= "0100100";
				display_ssd5 <= "0110000";
				display_ssd4 <= "0011001";
				display_ssd3 <= "0010010";
				display_ssd2 <= "0000010";
				display_ssd1 <= "1111000";
				display_ssd0 <= "0000000";
				
			elsif (binary_number="0010") then --2
				display_ssd7 <= "0100100";
				display_ssd6 <= "0110000";
				display_ssd5 <= "0011001";
				display_ssd4 <= "0010010";
				display_ssd3 <= "0000010";
				display_ssd2 <= "1111000";
				display_ssd1 <= "0000000";
				display_ssd0 <= "0010000";
					
			elsif (binary_number="0011") then --3
				display_ssd7 <= "0110000";
				display_ssd6 <= "0011001";
				display_ssd5 <= "0010010";
				display_ssd4 <= "0000010";
				display_ssd3 <= "1111000";
				display_ssd2 <= "0000000";
				display_ssd1 <= "0010000";
				display_ssd0 <= "0001000";
				
			elsif (binary_number="0100") then --4
				display_ssd7 <= "0011001";
				display_ssd6 <= "0010010";
				display_ssd5 <= "0000010";
				display_ssd4 <= "1111000";
				display_ssd3 <= "0000000";
				display_ssd2 <= "0010000";
				display_ssd1 <= "0001000";
				display_ssd0 <= "0000011";
						
			elsif (binary_number="0101") then --5
				display_ssd7 <= "0010010";
				display_ssd6 <= "0000010";
				display_ssd5 <= "1111000";
				display_ssd4 <= "0000000";
				display_ssd3 <= "0010000";
				display_ssd2 <= "0001000";
				display_ssd1 <= "0000011";
				display_ssd0 <= "1000110";
				
			elsif (binary_number="0110") then --6
				display_ssd7 <= "0000010";
				display_ssd6 <= "1111000";
				display_ssd5 <= "0000000";
				display_ssd4 <= "0010000";
				display_ssd3 <= "0001000";
				display_ssd2 <= "0000011";
				display_ssd1 <= "1000110";
				display_ssd0 <= "0100001";
				
			elsif (binary_number="0111") then --7
				display_ssd7 <= "1111000";
				display_ssd6 <= "0000000";
				display_ssd5 <= "0010000";
				display_ssd4 <= "0001000";
				display_ssd3 <= "0000011";
				display_ssd2 <= "1000110";
				display_ssd1 <= "0100001";
				display_ssd0 <= "0000110";
				
			elsif (binary_number="1000") then --8
				display_ssd7 <= "0000000";
				display_ssd6 <= "0010000";
				display_ssd5 <= "0001000";
				display_ssd4 <= "0000011";
				display_ssd3 <= "1000110";
				display_ssd2 <= "0100001";
				display_ssd1 <= "0000110";
				display_ssd0 <= "0001110";
			
			elsif (binary_number="1001") then --9
				display_ssd7 <= "0010000";
				display_ssd6 <= "0001000";
				display_ssd5 <= "0000011";
				display_ssd4 <= "1000110";
				display_ssd3 <= "0100001";
				display_ssd2 <= "0000110";
				display_ssd1 <= "0001110";
				display_ssd0 <= "1000000";
				
			elsif (binary_number="1010") then --A
				display_ssd7 <= "0001000";
				display_ssd6 <= "0000011";
				display_ssd5 <= "1000110";
				display_ssd4 <= "0100001";
				display_ssd3 <= "0000110";
				display_ssd2 <= "0001110";
				display_ssd1 <= "1000000";
				display_ssd0 <= "1111001";
				
			else
				display_ssd7 <= "1000000";
				display_ssd6 <= "1111001";
				display_ssd5 <= "0100100";
				display_ssd4 <= "0110000";
				display_ssd3 <= "0011001";
				display_ssd2 <= "0010010";
				display_ssd1 <= "0000010";
				display_ssd0 <= "1111000";
				
			end if;
		end process;
	
end arch;