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----------------------------------------------------------------------------------
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-- Engineer: Joao Carlos Nunes Bittencourt
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----------------------------------------------------------------------------------
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-- Create Date: 13:18:18 03/06/2012
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----------------------------------------------------------------------------------
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-- Design Name: Opcode Package
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-- Package Name: flags
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----------------------------------------------------------------------------------
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-- Project Name: 16-bit uRISC Processor
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----------------------------------------------------------------------------------
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-- Revision:
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-- 1.0 - File Created
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-- 2.0 - Project refactoring
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--
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--
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-- Package File Template
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----------------------------------------------------------------------------------
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--
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-- Purpose: This package defines supplemental types, subtypes,
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-- constants, and functions
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--
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-- To use any of the example code shown below, uncomment the lines and modify as necessary
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--
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library ieee;
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library ieee;
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use ieee.std_logic_1164.all;
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use ieee.std_logic_1164.all;
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package Operations is
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package operations is
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constant add: std_logic_vector (4 downto 0) := "00000";
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constant add: std_logic_vector (4 downto 0) := "00000";
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constant addinc: std_logic_vector (4 downto 0) := "00001";
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constant addinc: std_logic_vector (4 downto 0) := "00001";
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constant inca: std_logic_vector (4 downto 0) := "00011";
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constant inca: std_logic_vector (4 downto 0) := "00011";
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constant subdec: std_logic_vector (4 downto 0) := "00100";
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constant subdec: std_logic_vector (4 downto 0) := "00100";
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constant sub: std_logic_vector (4 downto 0) := "00101";
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constant sub: std_logic_vector (4 downto 0) := "00101";
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constant ornotb: std_logic_vector (4 downto 0) := "11101";
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constant ornotb: std_logic_vector (4 downto 0) := "11101";
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constant lnand: std_logic_vector (4 downto 0) := "11110"; -- Logic NAND
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constant lnand: std_logic_vector (4 downto 0) := "11110"; -- Logic NAND
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constant ones: std_logic_vector (4 downto 0) := "11111";
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constant ones: std_logic_vector (4 downto 0) := "11111";
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constant lcl: std_logic_vector (4 downto 0) := "00010"; -- Load constant low
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constant lcl: std_logic_vector (4 downto 0) := "00010"; -- Load constant low
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constant lch: std_logic_vector (4 downto 0) := "00111"; -- Load constant high
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constant lch: std_logic_vector (4 downto 0) := "00111"; -- Load constant high
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end Operations;
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end operations;
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