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  1. ----------------------------------------------------------------------------------
  2. -- Company:
  3. -- Engineer:
  4. --
  5. -- Create Date:    23:53:22 02/20/2014
  6. -- Design Name:
  7. -- Module Name:    Switch_led - Behavioral
  8. -- Project Name:
  9. -- Target Devices:
  10. -- Tool versions:
  11. -- Description:
  12. --
  13. -- Dependencies:
  14. --
  15. -- Revision:
  16. -- Revision 0.01 - File Created
  17. -- Additional Comments:
  18. --
  19. ----------------------------------------------------------------------------------
  20. library IEEE;
  21. use IEEE.std_logic_1164.ALL;
  22. use IEEE.std_logic_ARITH.ALL;
  23. use IEEE.std_logic_UNSIGNED.ALL;
  24.  
  25. -- Uncomment the following library declaration if using
  26. -- arithmetic functions with Signed or Unsigned values
  27. --use IEEE.NUMERIC_STD.ALL;
  28.  
  29. -- Uncomment the following library declaration if instantiating
  30. -- any Xilinx primitives in this code.
  31. --library UNISIM;
  32. --use UNISIM.VComponents.all;
  33.  
  34. entity Switch_led is
  35. port(
  36.         Switch_0: in std_logic;
  37.         Switch_1: in std_logic;
  38.         Switch_2: in std_logic;
  39.         Switch_3: in std_logic;
  40.         Switch_4: in std_logic;
  41.         Switch_5: in std_logic;
  42.         Switch_6: in std_logic;
  43.         Switch_7: in std_logic;
  44.         BTN_3: in std_logic;
  45.        
  46.         Led_0: out std_logic;
  47.         Led_1: out std_logic;
  48.         Led_2: out std_logic;
  49.         Led_3: out std_logic;
  50.         Led_4: out std_logic;
  51.         Led_5: out std_logic;
  52.         Led_6: out std_logic;
  53.         Led_7: out std_logic
  54.                                                 );
  55. end Switch_led;
  56.  
  57. architecture Behavioral of Switch_led is
  58.  
  59. begin
  60. Process(Switch_0, Switch_1, Switch_2, Switch_3, Switch_4, Switch_5, Switch_6 , Switch_7, BTN_3)
  61. begin
  62.         if BTN_3 = '1' then
  63.         Led_0 <= '0';
  64.         Led_1 <= '0';
  65.         Led_2 <= '0';
  66.         Led_3 <= '0';
  67.         Led_4 <= '0';
  68.         Led_5 <= '0';
  69.         Led_6 <= '0';
  70.         Led_7 <= '0';
  71.         else
  72.         end if;
  73.        
  74.         if Switch_0 = '1' then
  75.         Led_0 <= '1';
  76.         else
  77.         Led_0 <= '0';
  78.         end if;
  79.        
  80.         if Switch_1 = '1' then
  81.         Led_1 <= '1';
  82.         else
  83.         Led_1 <= '0';
  84.         end if;
  85.        
  86.         if Switch_2 = '1' then
  87.         Led_2 <= '1';
  88.         else
  89.         Led_2 <= '0';
  90.         end if;
  91.        
  92.         if Switch_3 = '1' then
  93.         Led_3 <= '1';
  94.         else
  95.         Led_3 <= '0';
  96.         end if;
  97.        
  98.         if Switch_4 = '1' then
  99.         Led_4 <= '1';
  100.         else
  101.         Led_4 <= '0';
  102.         end if;
  103.        
  104.         if Switch_5 = '1' then
  105.         Led_5 <= '1';
  106.         else
  107.         Led_5 <= '0';
  108.         end if;
  109.        
  110.         if Switch_6 = '1' then
  111.         Led_6 <= '1';
  112.         else
  113.         Led_6 <= '0';
  114.         end if;
  115.        
  116.         if Switch_7 = '1' then
  117.         Led_7 <= '1';
  118.         else
  119.         Led_7 <= '0';
  120.         end if;
  121. end process;
  122.        
  123. end Behavioral;
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