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--
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-- Este paquete contiene las constantes que se utilizan en el procesador MIPS Segmentado
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--
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-- Licencia: Copyright 2008 Emmanuel Luján
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--
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-- This program is free software; you can redistribute it and/or
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-- modify it under the terms of the GNU General Public License as
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-- published by the Free Software Foundation; either version 2 of
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-- the License, or (at your option) any later version. This program
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-- is distributed in the hope that it will be useful, but WITHOUT
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-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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-- License for more details. You should have received a copy of the
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-- GNU General Public License along with this program; if not, write
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-- to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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-- Boston, MA 02110-1301 USA.
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--
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-- Autor: Emmanuel Luján
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-- Email: info@emmanuellujan.com.ar
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-- Versión: 1.0
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--
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library ieee;
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use ieee.std_logic_1164.all;
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use ieee.numeric_std.all;
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package SEGM_MIPS_CONST_PKG is
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--Constantes
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constant INST_SIZE : INTEGER := 32; -- Tamaño de una instrucción en bits
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constant ADDR_SIZE : INTEGER := 5; -- Tamaño de una dirección
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constant NUM_REG : INTEGER := 32; -- Cantidad de registros en el banco de registros
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--constant NUM_ADDR : INTEGER := 1073741824; -- Cantidad de direcciones de la memoria, cada una de N bits (2 exp 30)
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constant NUM_ADDR : INTEGER := 1024; -- Cantidad de direcciones de la memoria, cada una de N bits (reducida)
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constant PC_COUNT : STD_LOGIC_VECTOR(31 downto 0) := "00000000000000000000000000000100"; --De a cuanto suma el PC (de a 4 bits)
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constant ZERO32b : STD_LOGIC_VECTOR(31 downto 0) := "00000000000000000000000000000000";
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constant ZERO16b : STD_LOGIC_VECTOR(15 downto 0) := "0000000000000000";
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constant ONE32b : STD_LOGIC_VECTOR(31 downto 0) := "11111111111111111111111111111111";
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constant ONE16b : STD_LOGIC_VECTOR(15 downto 0) := "1111111111111111";
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end SEGM_MIPS_CONST_PKG;
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