/*******************************************************************************
*
* This file is part of JOP, the Java Optimized Processor
* see <http://www.jopdesign.com/>
*
* Copyright (C) 2007, Peter Hilber and Alexander Dejaco
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
* Contributors:
* Casper Jensen <semadk@gmail.com> - Changes for use as simulation
* Christian Frost <thecfrost@gmail.com> - Changes for use as simulation
* Kasper Søe Luckow <luckow@cs.aau.dk> - Changes for use as simulation
*
******************************************************************************/
package minepump.legosim.lib;
/**
* Provides button states (BTN0-BTN3).
* @author Peter Hilber (peter.hilber@student.tuwien.ac.at)
*
*/
public class Buttons
{
/**
* Reads whether button is depressed.
* @param index Valid indices are 0, 1, 2, 3.
*/
public static boolean getButton(int index)
{
//if (index<0 || index>3)
// throw new RuntimeException("Invalid button index specified!");
return false;
}
/**
* Reads all button states into the respective bits.
* @return The buttons are numbered from 0 to 3.
* All other bits are set to zero.
*/
public static int getButtons()
{
return 0;
}
}