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[/] [raytrac/] [trunk/] [fastmux.vhd] - Rev 71
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--! @file fastmux.vhd --! @brief Multiplexor. --! @author Julián Andrés Guarín Reyes. -- RAYTRAC -- Author Julian Andres Guarin -- fastmux.vhd -- This file is part of raytrac. -- -- raytrac is free software: you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation, either version 3 of the License, or -- (at your option) any later version. -- -- raytrac is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with raytrac. If not, see <http://www.gnu.org/licenses/>. --! Libreria de definicion de senales y tipos estandares, comportamiento de operadores aritmeticos y logicos. library ieee; --! Paquete de definicion estandard de logica. use ieee.std_logic_1164.all; entity fastmux is generic ( width : integer := 18 ); port ( a,b:in std_logic_vector(width-1 downto 0); s:in std_logic; c: out std_logic_vector(width-1 downto 0) ); end entity; --! @brief Definicion arquitectura del mux --! @details El Mux esta descrito de manera estructural, instanciado bit por bit en la salida, multiplexores de un solo bit. architecture fastmux_arch of fastmux is begin muxgen: for i in 0 to width-1 generate c(i) <= (a(i) and not(s)) or (b(i) and s); end generate muxgen; end fastmux_arch;
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