/* * LGP30.java * * Version: * $Id$ * * Revisions: * $Log$ * * @author Sidney Marshall */ import java.io.*; import java.util.*; import java.awt.*; import javax.swing.*; import javax.swing.event.*; import java.awt.event.*; /** * A simple simulation of a LGP30 */ public class LGP30 extends JFrame { // The menu bar JLabel feedback = new JLabel("OK"); JPanel controlPanel = new JPanel( new BorderLayout() ); JPanel runlights = new JPanel( new GridLayout( 1, 2 ) ); JButton stop, compute; JPanel oscilloscope = new JPanel( new BorderLayout() ); JPanel leftPanel = new JPanel( new GridLayout( 3, 1 ) ); JPanel rightPanel = new JPanel( new GridLayout( 3, 1 ) ); JLabel creg, ireg, areg; JTextArea text = new JTextArea(20, 80); //final Document doc = text.getDocument(); Color gray = Color.lightGray; Color yellow = Color.yellow; int mode = 2; JButton modeButton[] = new JButton[3]; JButton bpButton[] = new JButton[4]; int breakpoint = 0; boolean transferControl = false; boolean sixBitInput = false; boolean running = false; boolean stopped = true; // control for execution thread public LGP30( String title ) { super( title ); addWindowListener( new WindowAdapter() { public void windowClosing( WindowEvent e ) { dispose(); } public void windowClosed( WindowEvent e ) { System.exit(0); } }); stop = new JButton( "STOP" ); stop.setBackground( yellow ); runlights.add( stop ); compute = new JButton( "COMPUTE" ); compute.setBackground( gray ); runlights.add( compute ); controlPanel.add( runlights, "North" ); JPanel panel = new JPanel( new GridLayout( 3, 6 ) ); JButton button; modeButton[0] = new JButton("Normal"); modeButton[0].setBackground( gray ); modeButton[0].addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { modeButton[mode].setBackground( gray ); mode = 0; modeButton[mode].setBackground( yellow ); } }); panel.add(modeButton[0]); modeButton[1] = new JButton("
One

Operation"); modeButton[1].setBackground( gray ); modeButton[1].addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { modeButton[mode].setBackground( gray ); mode = 1; modeButton[mode].setBackground( yellow ); feedback.setText( "Stopped" ); stop.setBackground( yellow ); compute.setBackground( gray ); } }); panel.add(modeButton[1]); modeButton[2] = new JButton("

Manual

Input"); modeButton[2].setBackground( yellow ); modeButton[2].addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { modeButton[mode].setBackground( gray ); mode = 2; modeButton[mode].setBackground( yellow ); } }); panel.add(modeButton[2]); button = new JButton("

Stand

By"); button.setBackground( gray ); button.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { feedback.setText( "Not Simulated" ); } }); panel.add(button); button = new JButton("Operate"); button.setBackground( yellow ); button.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { feedback.setText( "Not Simulated" ); } }); panel.add(button); button = new JButton("

Standby

To Operate"); button.setBackground( gray ); button.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { feedback.setText( "Not Simulated" ); } }); panel.add(button); button = new JButton("Start"); button.setBackground( gray ); button.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { feedback.setText( "Running" ); stop.setBackground( gray ); compute.setBackground( yellow ); } }); panel.add(button); button = new JButton("

Clear

Counter"); button.setBackground( gray ); panel.add(button); button = new JButton("

Fill

Instruction"); button.setBackground( gray ); panel.add(button); button = new JButton("

Execute

Instruction"); button.setBackground( gray ); panel.add(button); button = new JButton("

Power

On"); button.setBackground( yellow ); button.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { feedback.setText( "Not Simulated" ); } }); panel.add(button); button = new JButton("

Power

Off"); button.setBackground( gray ); button.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { Object s = JOptionPane.showInputDialog(null, "Choose one:", "Input", JOptionPane.INFORMATION_MESSAGE, null, new Object[]{"x","y","z"},"x"); feedback.setText( (String)s ); } }); panel.add(button); bpButton[0] = new JButton("

Break

Point

32"); bpButton[0].setBackground( gray ); bpButton[0].addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { breakpoint ^= 32; if( ( breakpoint & 32 ) != 0 ) { bpButton[0].setBackground( yellow ); } else { bpButton[0].setBackground( gray ); } } }); panel.add(bpButton[0]); bpButton[1] = new JButton("

Break

Point

16"); bpButton[1].setBackground( gray ); bpButton[1].addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { breakpoint ^= 16; if( ( breakpoint & 16 ) != 0 ) { bpButton[1].setBackground( yellow ); } else { bpButton[1].setBackground( gray ); } } }); panel.add(bpButton[1]); bpButton[2] = new JButton("

Break

Point

8"); bpButton[2].setBackground( gray ); bpButton[2].addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { breakpoint ^= 8; if( ( breakpoint & 8 ) != 0 ) { bpButton[2].setBackground( yellow ); } else { bpButton[2].setBackground( gray ); } } }); panel.add(bpButton[2]); bpButton[3] = new JButton("

Break

Point

4"); bpButton[3].setBackground( gray ); bpButton[3].addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { breakpoint ^= 4; if( ( breakpoint & 4 ) != 0 ) { bpButton[3].setBackground( yellow ); } else { bpButton[3].setBackground( gray ); } } }); panel.add(bpButton[3]); button = new JButton("

6 Bit

Input"); button.setBackground( gray ); button.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { JButton b = (JButton)e.getSource(); sixBitInput = !sixBitInput; if( sixBitInput ) { b.setBackground( yellow ); } else { b.setBackground( gray ); } } }); panel.add(button); button = new JButton("

Transfer

Control"); button.setBackground( gray ); button.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { JButton b = (JButton)e.getSource(); transferControl = !transferControl; if( transferControl ) { b.setBackground( yellow ); } else { b.setBackground( gray ); } } }); panel.add(button); controlPanel.add( panel, "South" ); leftPanel.add( new JLabel( "C " ) ); leftPanel.add( new JLabel( "I " ) ); leftPanel.add( new JLabel( "A " ) ); creg = new JLabel( "C", SwingConstants.RIGHT ); rightPanel.add( creg ); ireg = new JLabel( "I", SwingConstants.RIGHT ); rightPanel.add( ireg ); areg = new JLabel( "A", SwingConstants.RIGHT ); rightPanel.add( areg ); oscilloscope.add( leftPanel, "West" ); oscilloscope.add( rightPanel, "East" ); controlPanel.add( oscilloscope, "East" ); getContentPane().add( controlPanel, "North" ); getContentPane().add( new JScrollPane( text ), "Center" ); getContentPane().add( feedback, "South" ); } public void setFeedback( final String message ) { SwingUtilities.invokeLater( new Runnable() { public void run() { feedback.setText( message ); } }); } public static void main( final String args[] ) { SwingUtilities.invokeLater( new Runnable() { public void run() { int x = 30, y = 30; // initial window location final LGP30 c = new LGP30( "LGP 30 Simulator" ); c.pack(); c.setLocation( 100, 100 ); c.setVisible( true ); } }); } // main } // LGP30