gui_ioports.java

這是一個8051的模擬器 以java寫成

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

/**
 * Projet de langage JAVA IFITEP 3 2005 - Simulateur 8051 
 * <p> 
 * GUI_IOPorts
 *  
 * @author Matthieu SIMON
 * @version 1.0 du 28/06/05
 */
public class GUI_IOPorts extends JDialog {
	String[] ioPortsStr = { "P0", "P1", "P2", "P3" };
	int[]    ioPorts    = { CORE_CPU8051.P0, CORE_CPU8051.P1, CORE_CPU8051.P2, CORE_CPU8051.P3 };
	JCheckBox[] checkBoxes = new JCheckBox[32];
	String[]    checkStr   = new String[32];
	
	public GUI_IOPorts(JFrame frame) {
		super(frame);
		setTitle("I/O Ports");
		JPanel panel = new JPanel(new GridLayout(4, 9));
		
		JLabel label;
		CheckBoxesActionListener listener = new CheckBoxesActionListener();		
		for(int i = 0; i < checkBoxes.length; i++) {
			if(i%8 == 0) {
				label = new JLabel(ioPortsStr[i/8] + " :");
				panel.add(label);	
			}
			checkBoxes[i] = new JCheckBox();
			checkBoxes[i].addActionListener(listener);
			panel.add(checkBoxes[i]);	
			checkStr[i] = ioPortsStr[i/8] + "." + (7-(i%8));
		}		
		getContentPane().add(panel);
	}
	
	private class CheckBoxesActionListener implements ActionListener {
		public void actionPerformed(ActionEvent e) {
			JCheckBox box = (JCheckBox)e.getSource();
			for(int i = 0; i < checkBoxes.length; i++)
				if(box.equals(checkBoxes[i])) {
					int port = 0;
					for(int j = 0; j < 4; j++)
						if(checkStr[i].substring(0, 2).equals(ioPortsStr[j])) {
							port = ioPorts[j];
							break;
						}
					int bit = Integer.parseInt(checkStr[i].substring(3));
					int sel = checkBoxes[i].isSelected()?1:0;
					CORE_CPU8051.internalDataMem[port] = (CORE_CPU8051.internalDataMem[port]&(~(1<<bit))) | (sel<<bit);	
					return;
				}
		}
	}
	
	public void fillIOPorts() {
		for(int i = 0; i < ioPortsStr.length; i++)
			for(int j = 0; j < 8; j++)
				checkBoxes[i*8+j].setSelected( (CORE_CPU8051.internalDataMem[ioPorts[i]]&(1<<(7-j))) != 0 );
	}
	
	public void setDefaultLocation() {
		setSize(210, 110);	
		setLocation(530+250, 385+40);
		setVisible(true);
	}
}