Subversion Repositories opencpu32

--! @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;