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-- Company: www.sanuzrworld.co.nr
-- Engineer: Sujit Kr Nayak
-- 
-- Create Date:    09:55:07 03/03/2010 
-- Design Name: 
-- Module Name:    halfadder - Behavioral 
-- Project Name: 
-- Target Devices: 
-- Tool versions: 
-- Description: 
--
-- Dependencies: 
--
-- Revision: 
-- Revision 0.01 - File Created
-- Additional Comments: 
--
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library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;

---- Uncomment the following library declaration if instantiating
---- any Xilinx primitives in this code.
--library UNISIM;
--use UNISIM.VComponents.all;

entity H_A is
    Port ( a : in  STD_LOGIC;
           b : in  STD_LOGIC;
           sum : out  STD_LOGIC;
           carry : out  STD_LOGIC);
end H_A;

architecture Behavioral of H_A is

begin

sum<=a xor b;
carry<=a and b;
end Behavioral;