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--! @file

--! @brief Arithmetic logic unit http://en.wikipedia.org/wiki/Arithmetic_logic_unit

--! Use standard library

library IEEE;

use IEEE.STD_LOGIC_1164.ALL;

--! Use CPU Definitions package

library pkgOpenCPU32;

--! ALU is a digital circuit that performs arithmetic and logical operations.

--! ALU is a digital circuit that performs arithmetic and logical operations. It's the fundamental part of the CPU

entity Alu is

    Port ( A : in  STD_LOGIC_VECTOR (7 downto 0);                --! Alu Operand 1

           B : in  STD_LOGIC_VECTOR (7 downto 0);                --! Alu Operand 2

           S : out  STD_LOGIC_VECTOR (7 downto 0);               --! Alu Output

           sel : in  STD_LOGIC_VECTOR (2 downto 0));     --! Select operation

end Alu;

--! @brief Architure definition of the ALU

--! @details More details about this mux element.

architecture Behavioral of Alu is

begin

end Behavioral;