gui_uart.java

這是一個8051的模擬器 以java寫成

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

/**
 * Projet de langage JAVA IFITEP 3 2005 - Simulateur 8051 
 * <p> 
 * GUI_UART
 *  
 * @author Matthieu SIMON
 * @version 1.0 du 28/06/05
 */
public class GUI_UART extends JFrame {

	private JTextArea terminal;
	private JScrollPane scrollPane;

	public GUI_UART() {
		super();
		setTitle("UART Terminal");
		terminal = new JTextArea();
		terminal.setEditable(false);
		
		terminal = new JTextArea();
		terminal.setEditable(false);
		scrollPane = new JScrollPane(terminal, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
											               JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
		
		terminal.addKeyListener(new KeyAdapter() {
			public void keyTyped(KeyEvent e) {
				CORE_CPU8051.internalDataMem[CORE_CPU8051.SBUF] = e.getKeyChar()&0xFF;
				CORE_CPU8051.internalDataMem[CORE_CPU8051.SCON] |= 1; // set RI flag
			}
		});
		
		getContentPane().add(scrollPane);
		setSize(400, 300);	
	}
	
	public void checkChange(CORE_CPU8051 cpu) {
		if(cpu.getSBUFWrite()) { // il y a eu une ecrire du reg
			cpu.setSBUFWrite(false);
			CORE_CPU8051.internalDataMem[CORE_CPU8051.SCON] |= 2; // set TI flag
			if(isVisible()) {
				terminal.append(""+(char)CORE_CPU8051.internalDataMem[CORE_CPU8051.SBUF]);
				terminal.setCaretPosition(terminal.getDocument().getLength());
				scrollPane.getVerticalScrollBar().setValue(scrollPane.getVerticalScrollBar().getMaximum());
			}
		}
	}
}