diff src/org/tn5250j/framework/tn5250/Screen5250.java @ 32:b086dd794dba tn5250

start tn5250 integration
author Carl Byington <carl@five-ten-sg.com>
date Tue, 10 Jun 2014 13:31:30 -0700
parents 9ae1c889a64c
children 2a8b52dbc104
line wrap: on
line diff
--- a/src/org/tn5250j/framework/tn5250/Screen5250.java	Tue Jun 10 12:00:07 2014 -0700
+++ b/src/org/tn5250j/framework/tn5250/Screen5250.java	Tue Jun 10 13:31:30 2014 -0700
@@ -34,3956 +34,3858 @@
 import java.util.Vector;
 
 import org.tn5250j.TN5250jConstants;
-import org.tn5250j.event.ScreenListener;
 import android.util.Log;
 
 
 public class Screen5250 {
     private static final String TAG = "Screen5250";
-	private ScreenFields screenFields;
-	private int lastAttr;
-	private int lastPos;
-	private int lenScreen;
-	private KeyStrokenizer strokenizer;
-	private tnvt sessionVT;
-	private int numRows = 0;
-	private int numCols = 0;
-	protected static final int initAttr = 32;
-	protected static final char initChar = 0;
-	public boolean cursorActive = false;
-	public boolean cursorShown = false;
-	protected boolean insertMode = false;
-	private boolean keyProcessed = false;
-	private Rect dirtyScreen = new Rect();
-
-	public int homePos = 0;
-	public int saveHomePos = 0;
-	private String bufferedKeys;
-	public boolean pendingInsert = false;
-
-	public final static byte STATUS_SYSTEM = 1;
-	public final static byte STATUS_ERROR_CODE = 2;
-	public final static byte STATUS_VALUE_ON = 1;
-	public final static byte STATUS_VALUE_OFF = 2;
-
-	private StringBuffer hsMore = new StringBuffer("More...");
-	private StringBuffer hsBottom = new StringBuffer("Bottom");
-
-	// error codes to be sent to the host on an error
-	private final static int ERR_CURSOR_PROTECTED = 0x05;
-	private final static int ERR_INVALID_SIGN = 0x11;
-	private final static int ERR_NO_ROOM_INSERT = 0x12;
-	private final static int ERR_NUMERIC_ONLY = 0x09;
-	private final static int ERR_DUP_KEY_NOT_ALLOWED = 0x19;
-	private final static int ERR_NUMERIC_09 = 0x10;
-	private final static int ERR_FIELD_MINUS = 0x16;
-	private final static int ERR_FIELD_EXIT_INVALID = 0x18;
-	private final static int ERR_ENTER_NO_ALLOWED = 0x20;
-	private final static int ERR_MANDITORY_ENTER = 0x21;
-
-	private boolean guiInterface = false;
-	private boolean resetRequired = true;
-	private boolean backspaceError = true;
-	private boolean feError;
-
-	// vector of listeners for changes to the screen.
-	Vector<ScreenListener> listeners = null;
-
-	// Operator Information Area
-	private ScreenOIA oia;
-
-	// screen planes
-	protected ScreenPlanes planes;
-
-	//Added by Barry
-	private StringBuffer keybuf;
-
-
-
-	public Screen5250() {
-
-		//Added by Barry
-		this.keybuf = new StringBuffer();
-
-		try {
-			jbInit();
-		} catch (Exception ex) {
-			Log.w(TAG,"In constructor: ", ex);
-		}
-	}
-
-	void jbInit() throws Exception {
-
-		lastAttr = 32;
-
-		// default number of rows and columns
-		numRows = 24;
-		numCols = 80;
-
-		setCursor(1, 1); // set initial cursor position
-
-		oia = new ScreenOIA(this);
-		oia.setKeyBoardLocked(true);
-
-		lenScreen = numRows * numCols;
-
-		planes = new ScreenPlanes(this,numRows);
-
-		screenFields = new ScreenFields(this);
-		strokenizer = new KeyStrokenizer();
-	}
-
-	protected ScreenPlanes getPlanes() {
-		return planes;
-	}
-
-	public final ScreenOIA getOIA() {
-		return oia;
-	}
-
-	protected final void setRowsCols(int rows, int cols) {
-
-		int oldRows = numRows;
-		int oldCols = numCols;
-
-		// default number of rows and columns
-		numRows = rows;
-		numCols = cols;
-
-		lenScreen = numRows * numCols;
-
-		planes.setSize(rows);
-
-		//  If they are not the same then we need to inform the listeners that
-		//  the size changed.
-		if (oldRows != numRows || oldCols != numCols)
-			fireScreenSizeChanged();
-
-	}
-
-
-	public boolean isCursorActive() {
-		return cursorActive;
-
-	}
-
-	public boolean isCursorShown() {
-		return cursorShown;
-	}
-
-	public void setUseGUIInterface(boolean gui) {
-		guiInterface = gui;
-	}
-
-	public void toggleGUIInterface() {
-		guiInterface = !guiInterface;
-	}
-
-	public void setResetRequired(boolean reset) {
-		resetRequired = reset;
-	}
-
-	public void setBackspaceError(boolean onError) {
-		backspaceError = onError;
-	}
-
-	/**
-	 * Copy & Paste support
-	 *
-	 * @see {@link #pasteText(String, boolean)}
-	 * @see {@link #copyTextField(int)}
-	 */
-	public final String copyText(Rect area) {
-		StringBuilder sb = new StringBuilder();
-		Rect workR = new Rect();
-		workR.setBounds(area);
-		Log.d(TAG,"Copying " + workR);
-
-		// loop through all the screen characters to send them to the clip board
-		int m = workR.x;
-		int i = 0;
-		int t = 0;
-
-		while (workR.height-- > 0) {
-			t = workR.width;
-			i = workR.y;
-			while (t-- > 0) {
-				// only copy printable characters (in this case >= ' ')
-				char c = planes.getChar(getPos(m - 1, i - 1));
-				if (c >= ' ' && (planes.screenExtended[getPos(m - 1, i - 1)] & EXTENDED_5250_NON_DSP)
-						== 0)
-					sb.append(c);
-				else
-					sb.append(' ');
-
-				i++;
-			}
-			sb.append('\n');
-			m++;
-		}
-		return sb.toString();
-	}
-
-	/**
-	 * Copy & Paste support
-	 *
-	 * @param content
-	 * @see {@link #copyText(Rectangle)}
-	 */
-	public final void pasteText(String content, boolean special) {
-		Log.d(TAG,"Pasting, special:"+special);
-		setCursorActive(false);
-
-		StringBuilder sb = new StringBuilder(content);
-		StringBuilder pd = new StringBuilder();
-
-		// character counters within the string to be pasted.
-		int nextChar = 0;
-		int nChars = sb.length();
-
-		int lr = getRow(lastPos);
-		int lc = getCol(lastPos);
-		resetDirty(lastPos);
-
-		int cpos = lastPos;
-		int length = getScreenLength();
-
-		char c = 0;
-		boolean setIt;
-
-		// save our current place within the FFT.
-		screenFields.saveCurrentField();
-
-		for (int x = nextChar; x < nChars; x++) {
-
-			c = sb.charAt(x);
-
-			if ((c == '\n') || (c == '\r')) {
-
-				Log.i(TAG,"pasted cr-lf>" + pd + "<");
-				pd.setLength(0);
-				// if we read in a cr lf in the data stream we need to go
-				// to the starting column of the next row and start from there
-				cpos = getPos(getRow(cpos)+1,lc);
-
-				// If we go paste the end of the screen then let's start over from
-				//   the beginning of the screen space.
-				if (cpos > length)
-					cpos = 0;
-			}
-			else {
-
-				// we will default to set the character always.
-				setIt = true;
-
-				// If we are in a special paste scenario then we check for valid
-				//   characters to paste.
-				if (special && (!Character.isLetter(c) && !Character.isDigit(c)))
-					setIt = false;
-
-				// we will only push a character to the screen space if we are in
-				//  a field
-				if (isInField(cpos) && setIt) {
-					planes.setChar(cpos, c);
-					setDirty(cpos);
-					screenFields.setCurrentFieldMDT();
-				}
-				//  If we placed a character then we go to the next position.
-				if (setIt)
-					cpos++;
-				// we will append the information to our debug buffer.
-				pd.append(c);
-			}
-		}
-
-		// if we have anything else not logged then log it out.
-		if (pd.length() > 0)
-			Log.i(TAG,"pasted >" + pd + "<");
-
-		// restore out position within the FFT.
-		screenFields.restoreCurrentField();
-		updateDirty();
-
-		// restore our cursor position.
-		setCursor(lr + 1, lc + 1);
-
-		setCursorActive(true);
-
-	}
-
-	/**
-	 * Copy & Paste support
-	 *
-	 * @param position
-	 * @return
-	 * @see {@link #copyText(int)}
-	 */
-	public final String copyTextField(int position) {
-		screenFields.saveCurrentField();
-		isInField(position);
-		String result = screenFields.getCurrentFieldText();
-		screenFields.restoreCurrentField();
-		return result;
-	}
-
-	/**
-	 *
-	 * Copy & Paste end code
-	 *
-	 */
-
-	/**
-	 * Sum them
-	 *
-	 * @param which
-	 *            formatting option to use
-	 * @return vector string of numberic values
-	 */
-	public final Vector<Double> sumThem(boolean which, Rect area) {
-
-		StringBuilder sb = new StringBuilder();
-		Rect workR = new Rect();
-		workR.setBounds(area);
-
-		//      gui.rubberband.reset();
-		//      gui.repaint();
-
-		Log.d(TAG,"Summing");
-
-		// obtain the decimal format for parsing
-		DecimalFormat df = (DecimalFormat) NumberFormat.getInstance();
-
-		DecimalFormatSymbols dfs = df.getDecimalFormatSymbols();
-
-		if (which) {
-			dfs.setDecimalSeparator('.');
-			dfs.setGroupingSeparator(',');
-		} else {
-			dfs.setDecimalSeparator(',');
-			dfs.setGroupingSeparator('.');
-		}
-
-		df.setDecimalFormatSymbols(dfs);
-
-		Vector<Double> sumVector = new Vector<Double>();
-
-		// loop through all the screen characters to send them to the clip board
-		int m = workR.x;
-		int i = 0;
-		int t = 0;
-
-		double sum = 0.0;
-
-		while (workR.height-- > 0) {
-			t = workR.width;
-			i = workR.y;
-			while (t-- > 0) {
-
-				// only copy printable numeric characters (in this case >= ' ')
-				//				char c = screen[getPos(m - 1, i - 1)].getChar();
-				char c = planes.getChar(getPos(m - 1, i - 1));
-				//				if (((c >= '0' && c <= '9') || c == '.' || c == ',' || c == '-')
-				//						&& !screen[getPos(m - 1, i - 1)].nonDisplay) {
-
-				// TODO: update me here to implement the nonDisplay check as well
-				if (((c >= '0' && c <= '9') || c == '.' || c == ',' || c == '-')) {
-					sb.append(c);
-				}
-				i++;
-			}
-
-			if (sb.length() > 0) {
-				if (sb.charAt(sb.length() - 1) == '-') {
-					sb.insert(0, '-');
-					sb.deleteCharAt(sb.length() - 1);
-				}
-				try {
-					Number n = df.parse(sb.toString());
-					//               System.out.println(s + " " + n.doubleValue());
-
-					sumVector.add(new Double(n.doubleValue()));
-					sum += n.doubleValue();
-				} catch (ParseException pe) {
-					Log.w(TAG,pe.getMessage() + " at "
-							+ pe.getErrorOffset());
-				}
-			}
-			sb.setLength(0);
-			m++;
-		}
-		Log.d(TAG,"" + sum);
-		return sumVector;
-	}
-
-	/**
-	 * This will move the screen cursor based on the mouse event.
-	 *
-	 * I do not think the checks here for the gui characters should be here but
-	 * will leave them here for now until we work out the interaction.  This
-	 * should be up to the gui frontend in my opinion.
-	 *
-	 * @param pos
-	 */
-	public boolean moveCursor(int pos) {
-
-		if (!oia.isKeyBoardLocked()) {
-
-			if (pos < 0)
-				return false;
-			// because getRowColFromPoint returns offset of 1,1 we need to
-			//    translate to offset 0,0
-			//         pos -= (numCols + 1);
-
-			int g = planes.getWhichGUI(pos);
-
-			// lets check for hot spots
-			if (g >= BUTTON_LEFT && g <= BUTTON_LAST) {
-				StringBuffer aid = new StringBuffer();
-				boolean aidFlag = true;
-				switch (g) {
-				case BUTTON_RIGHT:
-				case BUTTON_MIDDLE:
-					while (planes.getWhichGUI(--pos) != BUTTON_LEFT) {
-					}
-				case BUTTON_LEFT:
-					if (planes.getChar(pos) == 'F') {
-						pos++;
-					} else
-						aidFlag = false;
-
-					if (planes.getChar(pos + 1) != '='
-						&& planes.getChar(pos + 1) != '.'
-							&& planes.getChar(pos + 1) != '/') {
-						Log.d(TAG," Hotspot clicked!!! we will send characters "
-								+ planes.getChar(pos) + " " + planes.getChar(pos+1));
-						aid.append(planes.getChar(pos));
-						aid.append(planes.getChar(pos + 1));
-					} else {
-						Log.d(TAG," Hotspot clicked!!! we will send character "
-								+ planes.getChar(pos));
-						aid.append(planes.getChar(pos));
-					}
-					break;
-
-				}
-				if (aidFlag) {
-					switch (g) {
-
-					case BUTTON_LEFT_UP:
-					case BUTTON_MIDDLE_UP:
-					case BUTTON_RIGHT_UP:
-					case BUTTON_ONE_UP:
-					case BUTTON_SB_UP:
-					case BUTTON_SB_GUIDE:
-						sessionVT.sendAidKey(AID_ROLL_UP);
-						break;
-
-					case BUTTON_LEFT_DN:
-					case BUTTON_MIDDLE_DN:
-					case BUTTON_RIGHT_DN:
-					case BUTTON_ONE_DN:
-					case BUTTON_SB_DN:
-					case BUTTON_SB_THUMB:
-
-						sessionVT.sendAidKey(AID_ROLL_DOWN);
-						break;
-					case BUTTON_LEFT_EB:
-					case BUTTON_MIDDLE_EB:
-					case BUTTON_RIGHT_EB:
-						StringBuffer eb = new StringBuffer();
-						while (planes.getWhichGUI(pos--) != BUTTON_LEFT_EB)
-							;
-						while (planes.getWhichGUI(pos++) != BUTTON_RIGHT_EB) {
-							eb.append(planes.getChar(pos));
-						}
+    private ScreenFields screenFields;
+    private int lastAttr;
+    private int lastPos;
+    private int lenScreen;
+    private KeyStrokenizer strokenizer;
+    private tnvt sessionVT;
+    private vt320 buffer;       // used to draw the screen
+    private int numRows = 0;
+    private int numCols = 0;
+    protected static final int initAttr = 32;
+    protected static final char initChar = 0;
+    public boolean cursorActive = false;
+    public boolean cursorShown = false;
+    protected boolean insertMode = false;
+    private boolean keyProcessed = false;
+    private Rect dirtyScreen = new Rect();
+
+    public int homePos = 0;
+    public int saveHomePos = 0;
+    private String bufferedKeys;
+    public boolean pendingInsert = false;
+
+    public final static byte STATUS_SYSTEM = 1;
+    public final static byte STATUS_ERROR_CODE = 2;
+    public final static byte STATUS_VALUE_ON = 1;
+    public final static byte STATUS_VALUE_OFF = 2;
+
+    private StringBuffer hsMore = new StringBuffer("More...");
+    private StringBuffer hsBottom = new StringBuffer("Bottom");
+
+    // error codes to be sent to the host on an error
+    private final static int ERR_CURSOR_PROTECTED = 0x05;
+    private final static int ERR_INVALID_SIGN = 0x11;
+    private final static int ERR_NO_ROOM_INSERT = 0x12;
+    private final static int ERR_NUMERIC_ONLY = 0x09;
+    private final static int ERR_DUP_KEY_NOT_ALLOWED = 0x19;
+    private final static int ERR_NUMERIC_09 = 0x10;
+    private final static int ERR_FIELD_MINUS = 0x16;
+    private final static int ERR_FIELD_EXIT_INVALID = 0x18;
+    private final static int ERR_ENTER_NO_ALLOWED = 0x20;
+    private final static int ERR_MANDITORY_ENTER = 0x21;
+
+    private boolean guiInterface = false;
+    private boolean resetRequired = true;
+    private boolean backspaceError = true;
+    private boolean feError;
+
+    // Operator Information Area
+    private ScreenOIA oia;
+
+    // screen planes
+    protected ScreenPlanes planes;
+
+    //Added by Barry
+    private StringBuffer keybuf;
+
+
+
+    public Screen5250() {
+
+        //Added by Barry
+        this.keybuf = new StringBuffer();
+
+        try {
+            jbInit();
+        } catch (Exception ex) {
+            Log.w(TAG,"In constructor: ", ex);
+        }
+    }
+
+    void jbInit() throws Exception {
+
+        lastAttr = 32;
+
+        // default number of rows and columns
+        numRows = 24;
+        numCols = 80;
+
+        setCursor(1, 1); // set initial cursor position
+
+        oia = new ScreenOIA(this);
+        oia.setKeyBoardLocked(true);
+
+        lenScreen = numRows * numCols;
+
+        planes = new ScreenPlanes(this,numRows);
+
+        screenFields = new ScreenFields(this);
+        strokenizer = new KeyStrokenizer();
+    }
+
+    protected ScreenPlanes getPlanes() {
+        return planes;
+    }
+
+    public final ScreenOIA getOIA() {
+        return oia;
+    }
+
+    protected final void setRowsCols(int rows, int cols) {
+
+        int oldRows = numRows;
+        int oldCols = numCols;
+
+        // default number of rows and columns
+        numRows = rows;
+        numCols = cols;
+
+        lenScreen = numRows * numCols;
+
+        planes.setSize(rows);
+
+        //  If they are not the same then we need to inform the listeners that
+        //  the size changed.
+        if (oldRows != numRows || oldCols != numCols)
+            fireScreenSizeChanged();
+
+    }
+
+
+    public boolean isCursorActive() {
+        return cursorActive;
+
+    }
+
+    public boolean isCursorShown() {
+        return cursorShown;
+    }
+
+    public void setUseGUIInterface(boolean gui) {
+        guiInterface = gui;
+    }
+
+    public void toggleGUIInterface() {
+        guiInterface = !guiInterface;
+    }
+
+    public void setResetRequired(boolean reset) {
+        resetRequired = reset;
+    }
+
+    public void setBackspaceError(boolean onError) {
+        backspaceError = onError;
+    }
+
+    /**
+     * Copy & Paste support
+     *
+     * @see {@link #pasteText(String, boolean)}
+     * @see {@link #copyTextField(int)}
+     */
+    public final String copyText(Rect area) {
+        StringBuilder sb = new StringBuilder();
+        Rect workR = new Rect();
+        workR.setBounds(area);
+        Log.d(TAG,"Copying " + workR);
+
+        // loop through all the screen characters to send them to the clip board
+        int m = workR.x;
+        int i = 0;
+        int t = 0;
+
+        while (workR.height-- > 0) {
+            t = workR.width;
+            i = workR.y;
+            while (t-- > 0) {
+                // only copy printable characters (in this case >= ' ')
+                char c = planes.getChar(getPos(m - 1, i - 1));
+                if (c >= ' ' && (planes.screenExtended[getPos(m - 1, i - 1)] & EXTENDED_5250_NON_DSP)
+                        == 0)
+                    sb.append(c);
+                else
+                    sb.append(' ');
+
+                i++;
+            }
+            sb.append('\n');
+            m++;
+        }
+        return sb.toString();
+    }
+
+    /**
+     * Copy & Paste support
+     *
+     * @param content
+     * @see {@link #copyText(Rectangle)}
+     */
+    public final void pasteText(String content, boolean special) {
+        Log.d(TAG,"Pasting, special:"+special);
+        setCursorActive(false);
+
+        StringBuilder sb = new StringBuilder(content);
+        StringBuilder pd = new StringBuilder();
+
+        // character counters within the string to be pasted.
+        int nextChar = 0;
+        int nChars = sb.length();
+
+        int lr = getRow(lastPos);
+        int lc = getCol(lastPos);
+        resetDirty(lastPos);
+
+        int cpos = lastPos;
+        int length = getScreenLength();
+
+        char c = 0;
+        boolean setIt;
+
+        // save our current place within the FFT.
+        screenFields.saveCurrentField();
+
+        for (int x = nextChar; x < nChars; x++) {
+
+            c = sb.charAt(x);
+
+            if ((c == '\n') || (c == '\r')) {
+
+                Log.i(TAG,"pasted cr-lf>" + pd + "<");
+                pd.setLength(0);
+                // if we read in a cr lf in the data stream we need to go
+                // to the starting column of the next row and start from there
+                cpos = getPos(getRow(cpos)+1,lc);
+
+                // If we go paste the end of the screen then let's start over from
+                //   the beginning of the screen space.
+                if (cpos > length)
+                    cpos = 0;
+            }
+            else {
+
+                // we will default to set the character always.
+                setIt = true;
+
+                // If we are in a special paste scenario then we check for valid
+                //   characters to paste.
+                if (special && (!Character.isLetter(c) && !Character.isDigit(c)))
+                    setIt = false;
+
+                // we will only push a character to the screen space if we are in
+                //  a field
+                if (isInField(cpos) && setIt) {
+                    planes.setChar(cpos, c);
+                    setDirty(cpos);
+                    screenFields.setCurrentFieldMDT();
+                }
+                //  If we placed a character then we go to the next position.
+                if (setIt)
+                    cpos++;
+                // we will append the information to our debug buffer.
+                pd.append(c);
+            }
+        }
+
+        // if we have anything else not logged then log it out.
+        if (pd.length() > 0)
+            Log.i(TAG,"pasted >" + pd + "<");
+
+        // restore out position within the FFT.
+        screenFields.restoreCurrentField();
+        updateDirty();
+
+        // restore our cursor position.
+        setCursor(lr + 1, lc + 1);
+
+        setCursorActive(true);
+
+    }
+
+    /**
+     * Copy & Paste support
+     *
+     * @param position
+     * @return
+     * @see {@link #copyText(int)}
+     */
+    public final String copyTextField(int position) {
+        screenFields.saveCurrentField();
+        isInField(position);
+        String result = screenFields.getCurrentFieldText();
+        screenFields.restoreCurrentField();
+        return result;
+    }
+
+    /**
+     *
+     * Copy & Paste end code
+     *
+     */
+
+    /**
+     * Sum them
+     *
+     * @param which
+     *            formatting option to use
+     * @return vector string of numberic values
+     */
+    public final Vector<Double> sumThem(boolean which, Rect area) {
+
+        StringBuilder sb = new StringBuilder();
+        Rect workR = new Rect();
+        workR.setBounds(area);
+
+        //      gui.rubberband.reset();
+        //      gui.repaint();
+
+        Log.d(TAG,"Summing");
+
+        // obtain the decimal format for parsing
+        DecimalFormat df = (DecimalFormat) NumberFormat.getInstance();
+
+        DecimalFormatSymbols dfs = df.getDecimalFormatSymbols();
+
+        if (which) {
+            dfs.setDecimalSeparator('.');
+            dfs.setGroupingSeparator(',');
+        } else {
+            dfs.setDecimalSeparator(',');
+            dfs.setGroupingSeparator('.');
+        }
+
+        df.setDecimalFormatSymbols(dfs);
+
+        Vector<Double> sumVector = new Vector<Double>();
+
+        // loop through all the screen characters to send them to the clip board
+        int m = workR.x;
+        int i = 0;
+        int t = 0;
+
+        double sum = 0.0;
+
+        while (workR.height-- > 0) {
+            t = workR.width;
+            i = workR.y;
+            while (t-- > 0) {
+
+                // only copy printable numeric characters (in this case >= ' ')
+                //              char c = screen[getPos(m - 1, i - 1)].getChar();
+                char c = planes.getChar(getPos(m - 1, i - 1));
+                //              if (((c >= '0' && c <= '9') || c == '.' || c == ',' || c == '-')
+                //                      && !screen[getPos(m - 1, i - 1)].nonDisplay) {
+
+                // TODO: update me here to implement the nonDisplay check as well
+                if (((c >= '0' && c <= '9') || c == '.' || c == ',' || c == '-')) {
+                    sb.append(c);
+                }
+                i++;
+            }
+
+            if (sb.length() > 0) {
+                if (sb.charAt(sb.length() - 1) == '-') {
+                    sb.insert(0, '-');
+                    sb.deleteCharAt(sb.length() - 1);
+                }
+                try {
+                    Number n = df.parse(sb.toString());
+                    //               System.out.println(s + " " + n.doubleValue());
+
+                    sumVector.add(new Double(n.doubleValue()));
+                    sum += n.doubleValue();
+                } catch (ParseException pe) {
+                    Log.w(TAG,pe.getMessage() + " at "
+                            + pe.getErrorOffset());
+                }
+            }
+            sb.setLength(0);
+            m++;
+        }
+        Log.d(TAG,"" + sum);
+        return sumVector;
+    }
+
+    /**
+     * This will move the screen cursor based on the mouse event.
+     *
+     * I do not think the checks here for the gui characters should be here but
+     * will leave them here for now until we work out the interaction.  This
+     * should be up to the gui frontend in my opinion.
+     *
+     * @param pos
+     */
+    public boolean moveCursor(int pos) {
+
+        if (!oia.isKeyBoardLocked()) {
+
+            if (pos < 0)
+                return false;
+            // because getRowColFromPoint returns offset of 1,1 we need to
+            //    translate to offset 0,0
+            //         pos -= (numCols + 1);
+
+            int g = planes.getWhichGUI(pos);
+
+            // lets check for hot spots
+            if (g >= BUTTON_LEFT && g <= BUTTON_LAST) {
+                StringBuffer aid = new StringBuffer();
+                boolean aidFlag = true;
+                switch (g) {
+                case BUTTON_RIGHT:
+                case BUTTON_MIDDLE:
+                    while (planes.getWhichGUI(--pos) != BUTTON_LEFT) {
+                    }
+                case BUTTON_LEFT:
+                    if (planes.getChar(pos) == 'F') {
+                        pos++;
+                    } else
+                        aidFlag = false;
+
+                    if (planes.getChar(pos + 1) != '='
+                        && planes.getChar(pos + 1) != '.'
+                            && planes.getChar(pos + 1) != '/') {
+                        Log.d(TAG," Hotspot clicked!!! we will send characters "
+                                + planes.getChar(pos) + " " + planes.getChar(pos+1));
+                        aid.append(planes.getChar(pos));
+                        aid.append(planes.getChar(pos + 1));
+                    } else {
+                        Log.d(TAG," Hotspot clicked!!! we will send character "
+                                + planes.getChar(pos));
+                        aid.append(planes.getChar(pos));
+                    }
+                    break;
+
+                }
+                if (aidFlag) {
+                    switch (g) {
+
+                    case BUTTON_LEFT_UP:
+                    case BUTTON_MIDDLE_UP:
+                    case BUTTON_RIGHT_UP:
+                    case BUTTON_ONE_UP:
+                    case BUTTON_SB_UP:
+                    case BUTTON_SB_GUIDE:
+                        sessionVT.sendAidKey(AID_ROLL_UP);
+                        break;
+
+                    case BUTTON_LEFT_DN:
+                    case BUTTON_MIDDLE_DN:
+                    case BUTTON_RIGHT_DN:
+                    case BUTTON_ONE_DN:
+                    case BUTTON_SB_DN:
+                    case BUTTON_SB_THUMB:
+
+                        sessionVT.sendAidKey(AID_ROLL_DOWN);
+                        break;
+                    case BUTTON_LEFT_EB:
+                    case BUTTON_MIDDLE_EB:
+                    case BUTTON_RIGHT_EB:
+                        StringBuffer eb = new StringBuffer();
+                        while (planes.getWhichGUI(pos--) != BUTTON_LEFT_EB)
+                            ;
+                        while (planes.getWhichGUI(pos++) != BUTTON_RIGHT_EB) {
+                            eb.append(planes.getChar(pos));
+                        }
                         sessionVT.showURL(eb.toString());
-						// take out the log statement when we are sure it is
-						// working
-						Log.i(TAG,"Send to external Browser: " + eb.toString());
-						break;
-
-					default:
-						int aidKey = Integer.parseInt(aid.toString());
-						if (aidKey >= 1 && aidKey <= 12)
-							sessionVT.sendAidKey(0x30 + aidKey);
-						if (aidKey >= 13 && aidKey <= 24)
-							sessionVT.sendAidKey(0xB0 + (aidKey - 12));
-					}
-				} else {
-					if (screenFields.getCurrentField() != null) {
-						int xPos = screenFields.getCurrentField().startPos();
-						for (int x = 0; x < aid.length(); x++) {
-							//                  System.out.println(sr + "," + (sc + x) + " " +
-							// aid.charAt(x));
-							planes.setChar(xPos + x , aid.charAt(x));
-						}
-						//                  System.out.println(aid);
-						screenFields.setCurrentFieldMDT();
-						sessionVT.sendAidKey(AID_ENTER);
-					}
-
-				}
-				// return back to the calling routine that the cursor was not moved
-				// but something else here was done like aid keys or the such
-				return false;
-			}
-			// this is a note to not execute this code here when we
-			// implement
-			//   the remain after edit function option.
-			//				if (gui.rubberband.isAreaSelected()) {
-			//					gui.rubberband.reset();
-			//					gui.repaint();
-			//				} else {
-			goto_XY(pos);
-			isInField(lastPos);
-
-			// return back to the calling object that the cursor was indeed
-			//  moved with in the screen object
-			return true;
-			//				}
-		}
-		return false;
-	}
-
-	public void setVT(tnvt v) {
-
-		sessionVT = v;
-	}
-
-	/**
-	 * Searches the mnemonicData array looking for the specified string. If it
-	 * is found it will return the value associated from the mnemonicValue
-	 *
-	 * @see #sendKeys
-	 * @param mnem
-	 *            string mnemonic value
-	 * @return key value of Mnemonic
-	 */
-	private int getMnemonicValue(String mnem) {
-
-		for (int x = 0; x < mnemonicData.length; x++) {
-
-			if (mnemonicData[x].equals(mnem))
-				return mnemonicValue[x];
-		}
-		return 0;
-
-	}
-
-	protected void setPrehelpState(boolean setErrorCode, boolean lockKeyboard,
-			boolean unlockIfLocked) {
-		if (oia.isKeyBoardLocked() && unlockIfLocked)
-			oia.setKeyBoardLocked(false);
-		else
-			oia.setKeyBoardLocked(lockKeyboard);
-		bufferedKeys = null;
-		oia.setKeysBuffered(false);
-
-
-	}
-
-	/**
-	 * Activate the cursor on screen
-	 *
-	 * @param activate
-	 */
-	public void setCursorActive(boolean activate) {
-
-		//      System.out.println("cursor active " + updateCursorLoc + " " +
-		// cursorActive + " " + activate);
-		if (cursorActive && !activate) {
-			setCursorOff();
-			cursorActive = activate;
-		} else {
-			if (!cursorActive && activate) {
-				cursorActive = activate;
-				setCursorOn();
-			}
-		}
-	}
-
-	/**
-	 * Set the cursor on
-	 */
-	public void setCursorOn() {
-		cursorShown = true;
-		updateCursorLoc();
-	}
-
-	/**
-	 * Set the cursor off
-	 */
-	public void setCursorOff() {
-
-		cursorShown = false;
-		updateCursorLoc();
-		//      System.out.println("cursor off " + updateCursorLoc + " " +
-		// cursorActive);
-
-	}
-
-	/**
-	 *
-	 */
-	private void updateCursorLoc() {
-
-		if (cursorActive) {
-
-			fireCursorChanged(3);
-
-		}
-	}
-
-	//Added by Barry
-	public String getKeys() {
-		String result = this.keybuf.toString();
-		this.keybuf = new StringBuffer();
-		return result;
-	}
-
-	/**
-	 * The sendKeys method sends a string of keys to the virtual screen. This
-	 * method acts as if keystrokes were being typed from the keyboard. The
-	 * keystrokes will be sent to the location given. The string being passed
-	 * can also contain mnemonic values such as [enter] enter key,[tab] tab key,
-	 * [pf1] pf1 etc...
-	 *
-	 * These will be processed as if you had pressed these keys from the
-	 * keyboard. All the valid special key values are contained in the MNEMONIC
-	 * enumeration:
-	 *
-	 * <table BORDER COLS=2 WIDTH="50%" >
-	 *
-	 * <tr>
-	 * <td>MNEMONIC_CLEAR</td>
-	 * <td>[clear]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_ENTER</td>
-	 * <td>[enter]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_HELP</td>
-	 * <td>[help]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PAGE_DOWN</td>
-	 * <td>[pgdown]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PAGE_UP</td>
-	 * <td>[pgup]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PRINT</td>
-	 * <td>[print]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF1</td>
-	 * <td>[pf1]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF2</td>
-	 * <td>[pf2]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF3</td>
-	 * <td>[pf3]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF4</td>
-	 * <td>[pf4]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF5</td>
-	 * <td>[pf5]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF6</td>
-	 * <td>[pf6]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF7</td>
-	 * <td>[pf7]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF8</td>
-	 * <td>[pf8]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF9</td>
-	 * <td>[pf9]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF10</td>
-	 * <td>[pf10]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF11</td>
-	 * <td>[pf11]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF12</td>
-	 * <td>[pf12]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF13</td>
-	 * <td>[pf13]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF14</td>
-	 * <td>[pf14]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF15</td>
-	 * <td>[pf15]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF16</td>
-	 * <td>[pf16]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF17</td>
-	 * <td>[pf17]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF18</td>
-	 * <td>[pf18]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF19</td>
-	 * <td>[pf19]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF20</td>
-	 * <td>[pf20]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF21</td>
-	 * <td>[pf21]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF22</td>
-	 * <td>[pf22]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF23</td>
-	 * <td>[pf23]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PF24</td>
-	 * <td>[pf24]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_BACK_SPACE</td>
-	 * <td>[backspace]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_BACK_TAB</td>
-	 * <td>[backtab]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_UP</td>
-	 * <td>[up]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_DOWN</td>
-	 * <td>[down]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_LEFT</td>
-	 * <td>[left]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_RIGHT</td>
-	 * <td>[right]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_DELETE</td>
-	 * <td>[delete]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_TAB</td>
-	 * <td>"[tab]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_END_OF_FIELD</td>
-	 * <td>[eof]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_ERASE_EOF</td>
-	 * <td>[eraseeof]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_ERASE_FIELD</td>
-	 * <td>[erasefld]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_INSERT</td>
-	 * <td>[insert]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_HOME</td>
-	 * <td>[home]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD0</td>
-	 * <td>[keypad0]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD1</td>
-	 * <td>[keypad1]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD2</td>
-	 * <td>[keypad2]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD3</td>
-	 * <td>[keypad3]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD4</td>
-	 * <td>[keypad4]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD5</td>
-	 * <td>[keypad5]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD6</td>
-	 * <td>[keypad6]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD7</td>
-	 * <td>[keypad7]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD8</td>
-	 * <td>[keypad8]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD9</td>
-	 * <td>[keypad9]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD_PERIOD</td>
-	 * <td>[keypad.]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD_COMMA</td>
-	 * <td>[keypad,]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_KEYPAD_MINUS</td>
-	 * <td>[keypad-]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_FIELD_EXIT</td>
-	 * <td>[fldext]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_FIELD_PLUS</td>
-	 * <td>[field+]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_FIELD_MINUS</td>
-	 * <td>[field-]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_BEGIN_OF_FIELD</td>
-	 * <td>[bof]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PA1</td>
-	 * <td>[pa1]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PA2</td>
-	 * <td>[pa2]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_PA3</td>
-	 * <td>[pa3]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_SYSREQ</td>
-	 * <td>[sysreq]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_RESET</td>
-	 * <td>[reset]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_ATTN</td>
-	 * <td>[attn]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_MARK_LEFT</td>
-	 * <td>[markleft]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_MARK_RIGHT</td>
-	 * <td>[markright]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_MARK_UP</td>
-	 * <td>[markup]</td>
-	 * </tr>
-	 * <tr>
-	 * <td>MNEMONIC_MARK_DOWN</td>
-	 * <td>[markdown]</td>
-	 * </tr>
-	 *
-	 * </table>
-	 *
-	 * @param text
-	 *            The string of characters to be sent
-	 *
-	 * @see #sendAid
-	 *
-	 * Added synchronized to fix a StringOutOfBounds error - Luc Gorren LDC
-	 */
-	public synchronized void sendKeys(String text) {
-
-		//      if (text == null) {
-		//         return;
-		//      }
-		this.keybuf.append(text);
-
-		if (isStatusErrorCode() && !resetRequired) {
-			setCursorActive(false);
-			simulateMnemonic(getMnemonicValue("[reset]"));
-			setCursorActive(true);
-		}
-
-		if (oia.isKeyBoardLocked()) {
-			if (text.equals("[reset]") || text.equals("[sysreq]")
-					|| text.equals("[attn]")) {
-				setCursorActive(false);
-				simulateMnemonic(getMnemonicValue(text));
-				setCursorActive(true);
-
-			} else {
-				if (isStatusErrorCode()) {
-					sessionVT.signalBell();
-					return;
-				}
-
-				oia.setKeysBuffered(true);
-
-				if (bufferedKeys == null) {
-					bufferedKeys = text;
-					return;
-				}
-				bufferedKeys += text;
-				return;
-			}
-
-		} else {
-
-			if (oia.isKeysBuffered()) {
-				if (bufferedKeys != null) {
-					text = bufferedKeys + text;
-				}
-				//            if (text.length() == 0) {
-				oia.setKeysBuffered(false);
-				//            }
-				bufferedKeys = null;
-
-			}
-			// check to see if position is in a field and if it is then change
-			//   current field to that field
-			isInField(lastPos, true);
-			if (text.length() == 1 && !text.equals("[") && !text.equals("]")) {
-				//               setCursorOff2();
-				setCursorActive(false);
-				simulateKeyStroke(text.charAt(0));
-				setCursorActive(true);
-				//               setCursorOn2();
-				//                     System.out.println(" text one");
-
-			} else {
-
-				strokenizer.setKeyStrokes(text);
-				String s;
-				boolean done = false;
-
-				//            setCursorOff2();
-				setCursorActive(false);
-				while (!done) {
-					//            while (strokenizer.hasMoreKeyStrokes() && !keyboardLocked
-					// &&
-					//                        !isStatusErrorCode() && !done) {
-					if (strokenizer.hasMoreKeyStrokes()) {
-
-						// check to see if position is in a field and if it is
-						// then change
-						//   current field to that field
-						isInField(lastPos, true);
-						s = strokenizer.nextKeyStroke();
-						if (s.length() == 1) {
-							//                  setCursorOn();
-							//                  if (!keysBuffered) {
-							//                     System.out.println(" s two" + s);
-							//                     setCursorOn();
-							//                  }
-
-							//                  try { new Thread().sleep(400);} catch
-							// (InterruptedException ie) {}
-							simulateKeyStroke(s.charAt(0));
-							//                     System.out.println(" s two " + s + " " +
-							// cursorActive);
-							//                  if (cursorActive && !keysBuffered) {
-							//                     System.out.println(" s two" + s);
-							//                     setCursorOn();
-							//                  }
-						} else {
-							simulateMnemonic(getMnemonicValue(s));
-							//                  if (!cursorActive && !keysBuffered) {
-							//                     System.out.println(" m one");
-							//                     setCursorOn();
-							//                  }
-						}
-
-						if (oia.isKeyBoardLocked()) {
-
-							bufferedKeys = strokenizer
-							.getUnprocessedKeyStroked();
-							if (bufferedKeys != null) {
-								oia.setKeysBuffered(true);
-
-							}
-							done = true;
-						}
-
-					}
-
-					else {
-						//                  setCursorActive(true);
-						//                  setCursorOn();
-						done = true;
-					}
-				}
-				setCursorActive(true);
-			}
-		}
-	}
-
-	/**
-	 * The sendAid method sends an "aid" keystroke to the virtual screen. These
-	 * aid keys can be thought of as special keystrokes, like the Enter key,
-	 * PF1-24 keys or the Page Up key. All the valid special key values are
-	 * contained in the AID_ enumeration:
-	 *
-	 * @param aidKey
-	 *            The aid key to be sent to the host
-	 *
-	 * @see #sendKeys
-	 * @see TN5250jConstants#AID_CLEAR
-	 * @see #AID_ENTER
-	 * @see #AID_HELP
-	 * @see #AID_ROLL_UP
-	 * @see #AID_ROLL_DOWN
-	 * @see #AID_ROLL_LEFT
-	 * @see #AID_ROLL_RIGHT
-	 * @see #AID_PRINT
-	 * @see #AID_PF1
-	 * @see #AID_PF2
-	 * @see #AID_PF3
-	 * @see #AID_PF4
-	 * @see #AID_PF5
-	 * @see #AID_PF6
-	 * @see #AID_PF7
-	 * @see #AID_PF8
-	 * @see #AID_PF9
-	 * @see #AID_PF10
-	 * @see #AID_PF11
-	 * @see #AID_PF12
-	 * @see #AID_PF13
-	 * @see #AID_PF14
-	 * @see #AID_PF15
-	 * @see #AID_PF16
-	 * @see #AID_PF17
-	 * @see #AID_PF18
-	 * @see #AID_PF19
-	 * @see #AID_PF20
-	 * @see #AID_PF21
-	 * @see #AID_PF22
-	 * @see #AID_PF23
-	 * @see #AID_PF24
-	 */
-	public void sendAid(int aidKey) {
-
-		sessionVT.sendAidKey(aidKey);
-	}
-
-	/**
-	 * Restores the error line and sets the error mode off.
-	 *
-	 */
-	protected void resetError() {
-
-		restoreErrorLine();
-		setStatus(STATUS_ERROR_CODE, STATUS_VALUE_OFF, "");
-
-	}
-
-	protected boolean simulateMnemonic(int mnem) {
-
-		boolean simulated = false;
-
-		switch (mnem) {
-
-		case AID_CLEAR:
-		case AID_ENTER:
-		case AID_PF1:
-		case AID_PF2:
-		case AID_PF3:
-		case AID_PF4:
-		case AID_PF5:
-		case AID_PF6:
-		case AID_PF7:
-		case AID_PF8:
-		case AID_PF9:
-		case AID_PF10:
-		case AID_PF11:
-		case AID_PF12:
-		case AID_PF13:
-		case AID_PF14:
-		case AID_PF15:
-		case AID_PF16:
-		case AID_PF17:
-		case AID_PF18:
-		case AID_PF19:
-		case AID_PF20:
-		case AID_PF21:
-		case AID_PF22:
-		case AID_PF23:
-		case AID_PF24:
-		case AID_ROLL_DOWN:
-		case AID_ROLL_UP:
-		case AID_ROLL_LEFT:
-		case AID_ROLL_RIGHT:
-
-			if (!screenFields.isCanSendAid()) {
-				displayError(ERR_ENTER_NO_ALLOWED);
-			} else
-				sendAid(mnem);
-			simulated = true;
-
-			break;
-		case AID_HELP:
-			sessionVT.sendHelpRequest();
-			simulated = true;
-			break;
-
-		case AID_PRINT:
-			sessionVT.hostPrint(1);
-			simulated = true;
-			break;
-
-		case BACK_SPACE:
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-
-				if (screenFields.getCurrentField().startPos() == lastPos) {
-					if (backspaceError)
-						displayError(ERR_CURSOR_PROTECTED);
-					else {
-						gotoFieldPrev();
-						goto_XY(screenFields.getCurrentField().endPos());
-						updateDirty();
-					}
-				}
-				else {
-					screenFields.getCurrentField().getKeyPos(lastPos);
-					screenFields.getCurrentField().changePos(-1);
-					resetDirty(screenFields.getCurrentField().getCurrentPos());
-					shiftLeft(screenFields.getCurrentField().getCurrentPos());
-					updateDirty();
-					screenFields.setCurrentFieldMDT();
-
-					simulated = true;
-				}
-			} else {
-				displayError(ERR_CURSOR_PROTECTED);
-
-			}
-			break;
-		case BACK_TAB:
-
-			if (screenFields.getCurrentField() != null
-					&& screenFields.isCurrentFieldHighlightedEntry()) {
-				resetDirty(screenFields.getCurrentField().startPos);
-				gotoFieldPrev();
-				updateDirty();
-			} else
-				gotoFieldPrev();
-
-			if (screenFields.isCurrentFieldContinued()) {
-				do {
-					gotoFieldPrev();
-				} while (screenFields.isCurrentFieldContinuedMiddle()
-						|| screenFields.isCurrentFieldContinuedLast());
-			}
-			isInField(lastPos);
-			simulated = true;
-			break;
-		case UP:
-		case MARK_UP:
-			process_XY(lastPos - numCols);
-			simulated = true;
-			break;
-		case DOWN:
-		case MARK_DOWN:
-			process_XY(lastPos + numCols);
-			simulated = true;
-			break;
-		case LEFT:
-		case MARK_LEFT:
-			process_XY(lastPos - 1);
-			simulated = true;
-			break;
-		case RIGHT:
-		case MARK_RIGHT:
-			process_XY(lastPos + 1);
-			simulated = true;
-			break;
-		case NEXTWORD:
-			gotoNextWord();
-			simulated = true;
-			break;
-		case PREVWORD:
-			gotoPrevWord();
-			simulated = true;
-			break;
-		case DELETE:
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-
-				resetDirty(lastPos);
-				screenFields.getCurrentField().getKeyPos(lastPos);
-				shiftLeft(screenFields.getCurrentFieldPos());
-				screenFields.setCurrentFieldMDT();
-				updateDirty();
-				simulated = true;
-			} else {
-				displayError(ERR_CURSOR_PROTECTED);
-			}
-
-			break;
-		case TAB:
-
-			if (screenFields.getCurrentField() != null
-					&& !screenFields.isCurrentFieldContinued()) {
-				if (screenFields.isCurrentFieldHighlightedEntry()) {
-					resetDirty(screenFields.getCurrentField().startPos);
-					gotoFieldNext();
-					updateDirty();
-				} else
-					gotoFieldNext();
-			} else {
-				do {
-					gotoFieldNext();
-				} while (screenFields.getCurrentField() != null
-						&& (screenFields.isCurrentFieldContinuedMiddle() || screenFields
-								.isCurrentFieldContinuedLast()));
-			}
-
-			isInField(lastPos);
-			simulated = true;
-
-			break;
-		case EOF:
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-				int where = endOfField(screenFields.getCurrentField()
-						.startPos(), true);
-				if (where > 0) {
-					setCursor((where / numCols) + 1, (where % numCols) + 1);
-				}
-				simulated = true;
-			} else {
-				displayError(ERR_CURSOR_PROTECTED);
-			}
-			resetDirty(lastPos);
-
-			break;
-		case ERASE_EOF:
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-
-				int where = lastPos;
-				resetDirty(lastPos);
-				if (fieldExit()) {
-					screenFields.setCurrentFieldMDT();
-					if (!screenFields.isCurrentFieldContinued()) {
-						gotoFieldNext();
-					} else {
-						do {
-							gotoFieldNext();
-							if (screenFields.isCurrentFieldContinued())
-								fieldExit();
-						} while (screenFields.isCurrentFieldContinuedMiddle()
-								|| screenFields.isCurrentFieldContinuedLast());
-					}
-				}
-				updateDirty();
-				goto_XY(where);
-				simulated = true;
-
-			} else {
-				displayError(ERR_CURSOR_PROTECTED);
-			}
-
-			break;
-		case ERASE_FIELD:
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-
-				int where = lastPos;
-				lastPos = screenFields.getCurrentField().startPos();
-				resetDirty(lastPos);
-				if (fieldExit()) {
-					screenFields.setCurrentFieldMDT();
-					if (!screenFields.isCurrentFieldContinued()) {
-						gotoFieldNext();
-					} else {
-						do {
-							gotoFieldNext();
-							if (screenFields.isCurrentFieldContinued())
-								fieldExit();
-						} while (screenFields.isCurrentFieldContinuedMiddle()
-								|| screenFields.isCurrentFieldContinuedLast());
-					}
-				}
-				updateDirty();
-				goto_XY(where);
-				simulated = true;
-
-			} else {
-				displayError(ERR_CURSOR_PROTECTED);
-			}
-
-			break;
-		case INSERT:
-			// we toggle it
-			oia.setInsertMode(oia.isInsertMode() ? false : true);
-			break;
-		case HOME:
-			// position to the home position set
-			if (lastPos + numCols + 1 != homePos) {
-				goto_XY(homePos - numCols - 1);
-				// now check if we are in a field
-				isInField(lastPos);
-			} else
-				gotoField(1);
-			break;
-		case KEYPAD_0:
-			simulated = simulateKeyStroke('0');
-			break;
-		case KEYPAD_1:
-			simulated = simulateKeyStroke('1');
-			break;
-		case KEYPAD_2:
-			simulated = simulateKeyStroke('2');
-			break;
-		case KEYPAD_3:
-			simulated = simulateKeyStroke('3');
-			break;
-		case KEYPAD_4:
-			simulated = simulateKeyStroke('4');
-			break;
-		case KEYPAD_5:
-			simulated = simulateKeyStroke('5');
-			break;
-		case KEYPAD_6:
-			simulated = simulateKeyStroke('6');
-			break;
-		case KEYPAD_7:
-			simulated = simulateKeyStroke('7');
-			break;
-		case KEYPAD_8:
-			simulated = simulateKeyStroke('8');
-			break;
-		case KEYPAD_9:
-			simulated = simulateKeyStroke('9');
-			break;
-		case KEYPAD_PERIOD:
-			simulated = simulateKeyStroke('.');
-			break;
-		case KEYPAD_COMMA:
-			simulated = simulateKeyStroke(',');
-			break;
-		case KEYPAD_MINUS:
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-
-				int s = screenFields.getCurrentField().getFieldShift();
-				if (s == 3 || s == 5 || s == 7) {
-					planes.setChar(lastPos,'-');
-
-					resetDirty(lastPos);
-					advancePos();
-					if (fieldExit()) {
-						screenFields.setCurrentFieldMDT();
-						if (!screenFields.isCurrentFieldContinued()) {
-							gotoFieldNext();
-						} else {
-							do {
-								gotoFieldNext();
-							} while (screenFields
-									.isCurrentFieldContinuedMiddle()
-									|| screenFields
-									.isCurrentFieldContinuedLast());
-						}
-						simulated = true;
-						updateDirty();
-						if (screenFields.isCurrentFieldAutoEnter())
-							sendAid(AID_ENTER);
-
-					}
-				} else {
-					displayError(ERR_FIELD_MINUS);
-
-				}
-			} else {
-				displayError(ERR_CURSOR_PROTECTED);
-			}
-
-			break;
-		case FIELD_EXIT:
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-
-				resetDirty(lastPos);
-
-				boolean autoFE = screenFields.isCurrentFieldAutoEnter();
-
-				if (fieldExit()) {
-					screenFields.setCurrentFieldMDT();
-					if (!screenFields.isCurrentFieldContinued() &&
-							!screenFields.isCurrentFieldAutoEnter()) {
-						gotoFieldNext();
-					} else {
-						do {
-							gotoFieldNext();
-							if (screenFields.isCurrentFieldContinued())
-								fieldExit();
-						} while (screenFields.isCurrentFieldContinuedMiddle()
-								|| screenFields.isCurrentFieldContinuedLast());
-					}
-				}
-
-				updateDirty();
-				simulated = true;
-				if (autoFE)
-					sendAid(AID_ENTER);
-
-			} else {
-				displayError(ERR_CURSOR_PROTECTED);
-			}
-
-			break;
-		case FIELD_PLUS:
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-
-				resetDirty(lastPos);
-
-				boolean autoFE = screenFields.isCurrentFieldAutoEnter();
-				if (fieldExit()) {
-					screenFields.setCurrentFieldMDT();
-					if (!screenFields.isCurrentFieldContinued() &&
-							!screenFields.isCurrentFieldAutoEnter()) {
-						gotoFieldNext();
-					} else {
-						do {
-							gotoFieldNext();
-						} while (screenFields.isCurrentFieldContinuedMiddle()
-								|| screenFields.isCurrentFieldContinuedLast());
-					}
-				}
-				updateDirty();
-				simulated = true;
-
-				if (autoFE)
-					sendAid(AID_ENTER);
-
-			} else {
-				displayError(ERR_CURSOR_PROTECTED);
-			}
-
-			break;
-		case FIELD_MINUS:
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-
-				int s = screenFields.getCurrentField().getFieldShift();
-				if (s == 3 || s == 5 || s == 7) {
-					planes.setChar(lastPos, '-');
-
-					resetDirty(lastPos);
-					advancePos();
-
-					boolean autoFE = screenFields.isCurrentFieldAutoEnter();
-
-					if (fieldExit()) {
-						screenFields.setCurrentFieldMDT();
-						if (!screenFields.isCurrentFieldContinued()
-								&& !screenFields.isCurrentFieldAutoEnter()) {
-							gotoFieldNext();
-						}
-						else {
-							do {
-								gotoFieldNext();
-							}
-							while (screenFields.isCurrentFieldContinuedMiddle()
-									|| screenFields.isCurrentFieldContinuedLast());
-						}
-					}
-					updateDirty();
-					simulated = true;
-					if (autoFE)
-						sendAid(AID_ENTER);
-
-				}
-				else {
-					displayError(ERR_FIELD_MINUS);
-
-				}
-			}
-			else {
-				displayError(ERR_CURSOR_PROTECTED);
-			}
-
-			break;
-		case BOF:
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-				int where = screenFields.getCurrentField().startPos();
-				if (where > 0) {
-					goto_XY(where);
-				}
-				simulated = true;
-			} else {
-				displayError(ERR_CURSOR_PROTECTED);
-			}
-			resetDirty(lastPos);
-
-			break;
-		case SYSREQ:
-			sessionVT.systemRequest();
-			simulated = true;
-			break;
-		case RESET:
-			if (isStatusErrorCode()) {
-				resetError();
-				isInField(lastPos);
-				updateDirty();
-			} else {
-				setPrehelpState(false, oia.isKeyBoardLocked(), false);
-			}
-			simulated = true;
-			break;
-		case ATTN:
-			sessionVT.sendAttentionKey();
-			simulated = true;
-			break;
-		case DUP_FIELD:
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-
-				if (screenFields.isCurrentFieldDupEnabled()) {
-					resetDirty(lastPos);
-					screenFields.getCurrentField().setFieldChar(lastPos,
-							(char) 0x1C);
-					screenFields.setCurrentFieldMDT();
-					gotoFieldNext();
-					updateDirty();
-					simulated = true;
-				} else {
-					displayError(ERR_DUP_KEY_NOT_ALLOWED);
-				}
-			} else {
-				displayError(ERR_CURSOR_PROTECTED);
-			}
-
-			break;
-		case NEW_LINE:
-			if (screenFields.getSize() > 0) {
-				int startRow = getRow(lastPos) + 1;
-				int startPos = lastPos;
-
-				if (startRow == getRows())
-					startRow = 0;
-
-				setCursor(++startRow, 1);
-
-				if (!isInField() && screenFields.getCurrentField() != null
-						&& !screenFields.isCurrentFieldBypassField()) {
-					while (!isInField()
-							&& screenFields.getCurrentField() != null
-							&& !screenFields.isCurrentFieldBypassField()) {
-
-						// lets keep going
-						advancePos();
-
-						// Have we looped the screen?
-						if (lastPos == startPos) {
-							// if so then go back to starting point
-							goto_XY(startPos);
-							break;
-						}
-					}
-				}
-			}
-			simulated = true;
-			break;
-		case FAST_CURSOR_DOWN:
-			int rowNow = (getCurrentRow()-1) + 3;
-			if (rowNow > getRows()-1)
-				rowNow = rowNow - getRows();
-			this.goto_XY(getPos(rowNow,getCurrentCol()-1));
-			simulated = true;
-			break;
-		case FAST_CURSOR_UP:
-			rowNow = (getCurrentRow()-1) - 3;
-			if (rowNow < 0)
-				rowNow = (getRows()) + rowNow;
-			this.goto_XY(getPos(rowNow,getCurrentCol()-1));
-			simulated = true;
-			break;
-		case FAST_CURSOR_LEFT:
-			int colNow = (getCurrentCol()-1) - 3;
-			rowNow = getCurrentRow()-1;
-			if (colNow <= 0) {
-				colNow = getColumns() + colNow;
-				rowNow--;
-			}
-			if (rowNow < 0)
-				rowNow = getRows() - 1;
-
-			process_XY(getPos(rowNow,colNow));
-			simulated = true;
-			break;
-		case FAST_CURSOR_RIGHT:
-			colNow = (getCurrentCol()-1) + 3;
-			rowNow = getCurrentRow()-1;
-			if (colNow >= getColumns()) {
-				colNow = colNow - getColumns();
-				rowNow++;
-			}
-			if (rowNow > getRows() - 1)
-				rowNow = getRows() - rowNow;
-
-			process_XY(getPos(rowNow,colNow));
-			simulated = true;
-			break;
-		default:
-			Log.i(TAG," Mnemonic not supported " + mnem);
-			break;
-
-		}
-
-		return simulated;
-	}
-
-	protected boolean simulateKeyStroke(char c) {
-
-		if (isStatusErrorCode() && !Character.isISOControl(c) && !keyProcessed) {
-			if (resetRequired) return false;
-			resetError();
-		}
-
-		boolean updateField = false;
-		boolean numericError = false;
-		boolean updatePos = false;
-		boolean autoEnter = false;
-
-		if (!Character.isISOControl(c)) {
-
-			if (screenFields.getCurrentField() != null
-					&& screenFields.withinCurrentField(lastPos)
-					&& !screenFields.isCurrentFieldBypassField()) {
-
-				if (screenFields.isCurrentFieldFER()
-						&& !screenFields.withinCurrentField(screenFields
-								.getCurrentFieldPos())
-								&& lastPos == screenFields.getCurrentField().endPos()
-								&& screenFields.getCurrentFieldPos() > screenFields
-								.getCurrentField().endPos()) {
-
-					displayError(ERR_FIELD_EXIT_INVALID);
-					feError = true;
-					return false;
-				}
-
-				switch (screenFields.getCurrentFieldShift()) {
-				case 0: // Alpha shift
-				case 2: // Numeric Shift
-				case 4: // Kakana Shift
-					updateField = true;
-					break;
-				case 1: // Alpha Only
-					if (Character.isLetter(c) || c == ',' || c == '-'
-						|| c == '.' || c == ' ')
-						updateField = true;
-					break;
-				case 3: // Numeric only
-					if (Character.isDigit(c) || c == '+' || c == ','
-						|| c == '-' || c == '.' || c == ' ')
-						updateField = true;
-					else
-						numericError = true;
-					break;
-				case 5: // Digits only
-					if (Character.isDigit(c))
-						updateField = true;
-					else
-						displayError(ERR_NUMERIC_09);
-					break;
-				case 7: // Signed numeric
-					if (Character.isDigit(c) || c == '+' || c == '-')
-						if (lastPos == screenFields.getCurrentField().endPos()
-								&& (c != '+' && c != '-'))
-							displayError(ERR_INVALID_SIGN);
-						else
-							updateField = true;
-					else
-						displayError(ERR_NUMERIC_09);
-					break;
-				}
-
-				if (updateField) {
-					if (screenFields.isCurrentFieldToUpper())
-						c = Character.toUpperCase(c);
-
-					updatePos = true;
-					resetDirty(lastPos);
-
-					if (oia.isInsertMode()) {
-						if (endOfField(false) != screenFields.getCurrentField()
-								.endPos())
-							shiftRight(lastPos);
-						else {
-
-							displayError(ERR_NO_ROOM_INSERT);
-							updatePos = false;
-						}
-
-					}
-
-					if (updatePos) {
-						screenFields.getCurrentField().getKeyPos(
-								getRow(lastPos), getCol(lastPos));
-						screenFields.getCurrentField().changePos(1);
-
-						planes.setChar(lastPos,c);
-
-						screenFields.setCurrentFieldMDT();
-
-						// if we have gone passed the end of the field then goto
-						// the next field
-						if (!screenFields.withinCurrentField(screenFields
-								.getCurrentFieldPos())) {
-							if (screenFields.isCurrentFieldAutoEnter()) {
-								autoEnter = true;
-							} else if (!screenFields.isCurrentFieldFER())
-								gotoFieldNext();
-							else {
-								//                        screenFields.getCurrentField().changePos(1);
-								//
-								//                        if (screenFields.
-								//                        cursorPos == endPos)
-								//                           System.out.println("end of field");
-								//
-								//                        feError != feError;
-								//                        if (feError)
-								//                           displayError(ERR_FIELD_EXIT_INVALID);
-							}
-
-						} else
-							setCursor(screenFields.getCurrentField()
-									.getCursorRow() + 1, screenFields
-									.getCurrentField().getCursorCol() + 1);
-
-					}
-
-					fireScreenChanged(1);
-
-					if (autoEnter)
-						sendAid(AID_ENTER);
-				} else {
-					if (numericError) {
-						displayError(ERR_NUMERIC_ONLY);
-					}
-				}
-			} else {
-				displayError(ERR_CURSOR_PROTECTED);
-			}
-
-		}
-		return updatePos;
-	}
-
-	/**
-	 * Method: endOfField
-	 * <p>
-	 *
-	 * convenience method that call endOfField with lastRow lastCol and passes
-	 * the posSpace to that method
-	 *
-	 * @param posSpace
-	 *            value of type boolean - specifying to return the position of
-	 *            the the last space or not
-	 * @return a value of type int - the screen postion (row * columns) + col
-	 *
-	 */
-	private int endOfField(boolean posSpace) {
-		return endOfField(lastPos, posSpace);
-	}
-
-	/**
-	 * Method: endOfField
-	 * <p>
-	 *
-	 * gets the position of the last character of the current field posSpace
-	 * parameter tells the routine whether to return the position of the last
-	 * space ( <= ' ') or the last non space posSpace == true last occurrence of
-	 * char <= ' ' posSpace == false last occurrence of char > ' '
-	 *
-	 * @param pos
-	 *            value of type int - position to start from
-	 * @param posSpace
-	 *            value of type boolean - specifying to return the position of
-	 *            the the last space or not
-	 * @return a value of type int - the screen postion (row * columns) + col
-	 *
-	 */
-	private int endOfField(int pos, boolean posSpace) {
-
-		int endPos = screenFields.getCurrentField().endPos();
-		int fePos = endPos;
-		// get the number of characters to the right
-		int count = endPos - pos;
-
-		// first lets get the real ending point without spaces and the such
-		while (planes.getChar(endPos) <= ' ' && count-- > 0) {
-
-			endPos--;
-		}
-
-		if (endPos == fePos) {
-
-			return endPos;
-
-		}
-		screenFields.getCurrentField().getKeyPos(endPos);
-		if (posSpace) screenFields.getCurrentField().changePos(+1);
-		return screenFields.getCurrentFieldPos();
-
-	}
-
-	private boolean fieldExit() {
-
-		int pos = lastPos;
-		boolean mdt = false;
-		int end = endOfField(false); // get the ending position of the first
-		// non blank character in field
-
-		ScreenField sf = screenFields.getCurrentField();
-
-		if (sf.isMandatoryEnter() && end == sf.startPos()) {
-			displayError(ERR_MANDITORY_ENTER);
-			return false;
-		}
-
-		// save off the current pos of the field for checking field exit required
-		//   positioning.  the getKeyPos resets this information so it is useless
-		//   for comparing if we are positioned passed the end of field.
-		//   Maybe this should be changed to not update the current cursor position
-		//   of the field.
-		int currentPos = sf.getCurrentPos();
-
-		// get the number of characters to the right
-		int count = (end - sf.startPos()) - sf.getKeyPos(pos);
-
-		if (count == 0 && sf.isFER()) {
-			if (currentPos > sf.endPos()) {
-				mdt = true;
-				return mdt;
-			}
-		}
-
-		for (; count >= 0; count--) {
-			planes.setChar(pos, initChar);
-			setDirty(pos);
-			pos++;
-			mdt = true;
-		}
-
-		// This checks for a field minus because a field minus places
-		// a negative sign and then advances a position. If it is the
-		// end of the field where the minus is placed then this offset will
-		//  place the count as -1.
-		if (count == -1) {
-			int s = sf.getFieldShift();
-			if (s == 3 || s == 5 || s == 7) {
-				mdt = true;
-			}
-		}
-
-		int adj = sf.getAdjustment();
-
-		if (adj != 0) {
-
-			switch (adj) {
-
-			case 5:
-				rightAdjustField('0');
-				sf.setRightAdjusted();
-				break;
-			case 6:
-				rightAdjustField(' ');
-				sf.setRightAdjusted();
-
-				break;
-			case 7:
-				sf.setManditoryEntered();
-				break;
-
-			}
-		}
-		else {
-
-			// we need to right adjust signed numeric fields as well.
-			if (sf.isSignedNumeric()) {
-				rightAdjustField(' ');
-			}
-		}
-
-		return mdt;
-	}
-
-	private void rightAdjustField(char fill) {
-
-		int end = endOfField(false); // get the ending position of the first
-		// non blank character in field
-
-		// get the number of characters to the right
-		int count = screenFields.getCurrentField().endPos() - end;
-
-		// subtract 1 from count for signed numeric - note for later
-		if (screenFields.getCurrentField().isSignedNumeric()) {
-			if (planes.getChar(end -1) != '-')
-				count--;
-		}
-
-		int pos = screenFields.getCurrentField().startPos();
-
-		while (count-- >= 0) {
-
-			shiftRight(pos);
-			planes.setChar(pos,fill);
-
-			setDirty(pos);
-
-		}
-
-	}
-
-	private void shiftLeft(int sPos) {
-
-		int endPos = 0;
-
-		int pos = sPos;
-		int pPos = sPos;
-
-		ScreenField sf = screenFields.getCurrentField();
-		int end;
-		int count;
-		do {
-			end = endOfField(pPos, false); // get the ending position of the
-			// first
-			// non blank character in field
-
-			count = (end - screenFields.getCurrentField().startPos())
-			- screenFields.getCurrentField().getKeyPos(pPos);
-
-			// now we loop through and shift the remaining characters to the
-			// left
-			while (count-- > 0) {
-				pos++;
-				planes.setChar(pPos,planes.getChar(pos));
-				setDirty(pPos);
-				pPos = pos;
-
-			}
-
-			if (screenFields.isCurrentFieldContinued()) {
-				gotoFieldNext();
-				if (screenFields.getCurrentField().isContinuedFirst())
-					break;
-
-				pos = screenFields.getCurrentField().startPos();
-				planes.setChar(pPos,planes.getChar(pos));
-				setDirty(pPos);
-
-				pPos = pos;
-
-			}
-		} while (screenFields.isCurrentFieldContinued()
-				&& !screenFields.getCurrentField().isContinuedFirst());
-
-		if (end >= 0 && count >= -1) {
-
-			endPos = end;
-		} else {
-			endPos = sPos;
-
-		}
-
-		screenFields.setCurrentField(sf);
-		planes.setChar(endPos,initChar);
-		setDirty(endPos);
-		goto_XY(screenFields.getCurrentFieldPos());
-		sf = null;
-
-	}
-
-	private void shiftRight(int sPos) {
-
-		int end = endOfField(true); // get the ending position of the first
-		// non blank character in field
-		int pos = end;
-		int pPos = end;
-
-		int count = end - sPos;
-
-		// now we loop through and shift the remaining characters to the right
-		while (count-- > 0) {
-
-			pos--;
-			planes.setChar(pPos, planes.getChar(pos));
-			setDirty(pPos);
-
-			pPos = pos;
-		}
-	}
-
-	public int getRow(int pos) {
-
-		//      if (pos == 0)
-		//         return 1;
-
-		int row = pos / numCols;
-
-		if (row < 0) {
-
-			row = lastPos / numCols;
-		}
- 		if (row > (lenScreen / numCols) - 1)
- 			row = (lenScreen / numCols) - 1;
-
-		return row;
-
-	}
-
-	public int getCol(int pos) {
-		int col = pos % (getColumns());
-		if (col > 0) return col;
-		return 0;
-	}
-
-	/**
-	 * This routine is 0 based offset. So to get row 20,1 then pass row 19,0
-	 *
-	 * @param row
-	 * @param col
-	 * @return
-	 */
-	public int getPos(int row, int col) {
-
-		return (row * numCols) + col;
-	}
-
-	/**
-	 * Current position is based on offsets of 1,1 not 0,0 of the current
-	 * position of the screen
-	 *
-	 * @return int
-	 */
-	public int getCurrentPos() {
-
-		//		return lastPos + numCols + 1;
-		return lastPos + 1;
-
-	}
-
-	/**
-	 * I got this information from a tcp trace of each error. I could not find
-	 * any documenation for this. Maybe there is but I could not find it. If
-	 * anybody finds this documention could you please send me a copy. Please
-	 * note that I did not look that hard either.
-	 * <p>
-	 * 0000: 00 50 73 1D 89 81 00 50 DA 44 C8 45 08 00 45 00 .Ps....P.D.E..E.
-	 * </p>
-	 * <p>
-	 * 0010: 00 36 E9 1C 40 00 80 06 9B F9 C1 A8 33 58 C0 A8 .6..@...k....3X..
-	 * </p>
-	 * <p>
-	 * 0020: C0 02 06 0E 00 17 00 52 6E 88 73 40 DE CB 50 18 .......Rn.s@..P.
-	 * </p>
-	 * <p>
-	 * 0030: 20 12 3C 53 00 00 00 0C 12 A0 00 00 04 01 00 00 . <S............
-	 * </p>
-	 * <p>
-	 * 0040: 00 05 FF EF .... ----------|| The 00 XX is the code to be sent. I
-	 * found the following <table BORDER COLS=2 WIDTH="50%" >
-	 * <tr>
-	 * <td>ERR_CURSOR_PROTECTED</td>
-	 * <td>0x05</td>
-	 * </tr>
-	 * <tr>
-	 * <td>ERR_INVALID_SIGN</td>
-	 * <td>0x11</td>
-	 * </tr>
-	 * <tr>
-	 * <td>ERR_NO_ROOM_INSERT</td>
-	 * <td>0x12</td>
-	 * </tr>
-	 * <tr>
-	 * <td>ERR_NUMERIC_ONLY</td>
-	 * <td>0x09</td>
-	 * </tr>
-	 * <tr>
-	 * <td>ERR_NUMERIC_09</td>
-	 * <td>0x10</td>
-	 * </tr>
-	 * <tr>
-	 * <td>ERR_FIELD_MINUS</td>
-	 * <td>0x16</td>
-	 * </tr>
-	 * <tr>
-	 * <td>ERR_ENTER_NOT_ALLOWED</td>
-	 * <td>0x20</td>
-	 * </tr>
-	 * <tr>
-	 * <td>ERR_MANDITORY_ENTER</td>
-	 * <td>0x21</td>
-	 * </tr>
-	 * <tr>
-	 * <td>ERR_ENTER_NOT_ALLOWED</td>
-	 * <td>0x20</td>
-	 * </tr>
-	 * </table> I am tired of typing and they should be self explanitory. Finding
-	 * them in the first place was the pain.
-	 * </p>
-	 *
-	 * @param ec error code
-	 */
-	private void displayError(int ec) {
-		saveHomePos = homePos;
-		homePos = lastPos + numCols + 1;
-		pendingInsert = true;
-		sessionVT.sendNegResponse2(ec);
-
-	}
-
-	private void process_XY(int pos) {
-
-		if (pos < 0)
-			pos = lenScreen + pos;
-		if (pos > lenScreen - 1)
-			pos = pos - lenScreen;
-
-		// if there was a field exit error then we need to treat the movement
-		//  of the cursor in a special way that equals that of Client Access.
-		//    If the cursor is moved from the field then we need to reset the
-		//       position within the field so that the last character can be typed
-		//       over again instead of sending the field exit error again.
-		//       We also need to reset the field exit error flag.
-		//
-		//    How we know we have a field exit error is when the field position is
-		//    set beyond the end of the field and a character is then typed we can
-		//    not position that character. To reset this we need to set the next
-		//    position of the field to not be beyond the end of field but to the
-		//    last character.
-		//
-		//    Now to make it work like Client Access if the cursor is a back space
-		//    then do not move the cursor but place it on the last field. All
-		//    other keys will reset the field position so that entering over the
-		//    last character will not cause an error but replace that character or
-		//    just plain move the cursor if the key was to do that.
-
-		ScreenField sf = screenFields.getCurrentField();
-		if (feError) {
-			feError = false;
-			sf.changePos(-1);
-		} else {
-			if (sf != null&& sf.isFER()){
-				if ((sf.getCurrentPos()
-						> sf.endPos())) {
-					if (sf.withinField(pos)) {
-						sf.getKeyPos(pos);
-						return;
-					}
-					sf.getKeyPos(sf.endPos());
-				}
-			}
-
-			goto_XY(pos);
-		}
-	}
-
-	public boolean isUsingGuiInterface() {
-
-		return guiInterface;
-	}
-
-	/**
-	 * Convinience class to return if the cursor is in a field or not.
-	 *
-	 * @return true or false
-	 */
-
-	protected boolean isInField() {
-
-		return isInField(lastPos, true);
-	}
-
-	/**
-	 *
-	 * Convinience class to return if the position that is passed is in a field
-	 * or not. If it is then the chgToField parameter will change the current
-	 * field to this field where the position indicates
-	 *
-	 * @param pos
-	 * @param chgToField
-	 * @return true or false
-	 */
-	public boolean isInField(int pos, boolean chgToField) {
-
-		return screenFields.isInField(pos, chgToField);
-	}
-
-	/**
-	 *
-	 * Convinience class to return if the position that is passed is in a field
-	 * or not. If it is then the field at this position becomes the current
-	 * working field
-	 *
-	 * @param pos
-	 * @return true or false
-	 */
-	public boolean isInField(int pos) {
-
-		return screenFields.isInField(pos, true);
-	}
-
-	/**
-	 * Convinience class to return if the position at row and column that is
-	 * passed is in a field or not. If it is then the field at this position
-	 * becomes the current working field.
-	 *
-	 * @param row
-	 * @param col
-	 * @return true or false
-	 */
-	public boolean isInField(int row, int col) {
-
-		return isInField(row, col, true);
-	}
-
-	/**
-	 *
-	 * Convinience class to return if the position at row and column that is
-	 * passed is in a field or not. If it is then the chgToField parameter will
-	 * change the current field to this field where the row and column
-	 * indicates.
-	 *
-	 * @param row
-	 * @param col
-	 * @param chgToField
-	 * @return true or false
-	 */
-	public boolean isInField(int row, int col, boolean chgToField) {
-		return screenFields.isInField((row * numCols) + col, chgToField);
-	}
-
-	/**
-	 * Gets the length of the screen - number of rows times number of columns
-	 *
-	 * @return int value of screen length
-	 */
-	public int getScreenLength() {
-
-		return lenScreen;
-	}
-
-	/**
-	 * Get the number or rows available.
-	 *
-	 * @return number of rows
-	 */
-	public int getRows() {
-
-		return numRows;
-
-	}
-
-	/**
-	 * Get the number of columns available.
-	 *
-	 * @return number of columns
-	 */
-	public int getColumns() {
-
-		return numCols;
-
-	}
-
-	/**
-	 * Get the current row where the cursor is
-	 *
-	 * @return the cursor current row position 1,1 based
-	 */
-	public int getCurrentRow() {
-
-		return (lastPos / numCols) + 1;
-
-	}
-
-	/**
-	 * Get the current column where the cursor is
-	 *
-	 * @return the cursor current column position 1,1 based
-	 */
-	public int getCurrentCol() {
-
-		return (lastPos % numCols) + 1;
-
-	}
-
-	/**
-	 * The last position of the cursor on the screen - Note - position is based
-	 * 0,0
-	 *
-	 * @return last position
-	 */
-	protected int getLastPos() {
-
-		return lastPos;
-
-	}
-
-	/**
-	 * Hotspot More... string
-	 *
-	 * @return string literal of More...
-	 */
-	public StringBuffer getHSMore() {
-		return hsMore;
-	}
-
-	/**
-	 * Hotspot Bottom string
-	 *
-	 * @return string literal of Bottom
-	 */
-	public StringBuffer getHSBottom() {
-		return hsBottom;
-	}
-
-	/**
-	 * Return the whole screen represented as a character array
-	 *
-	 * @return character array containing the text
-	 *
-	 * Added by Luc - LDC
-	 *
-	 * Note to KJP - Have to ask what the difference is between this method and
-	 * the other
-	 */
-	public char[] getScreenAsAllChars() {
-		char[] sac = new char[lenScreen];
-		char c;
-
-		for (int x = 0; x < lenScreen; x++) {
-			c = planes.getChar(x);
-			// only draw printable characters (in this case >= ' ')
-			if ((c >= ' ') && (!planes.isAttributePlace(x))) {
-				sac[x] = c;
-				// TODO: implement the underline check here
-				//				if (screen[x].underLine && c <= ' ')
-				//					sac[x] = '_';
-			} else
-				sac[x] = ' ';
-		}
-
-		return sac;
-	}
-
-	/**
-	 *
-	 * Return the screen represented as a character array
-	 *
-	 * @return character array containing the text
-	 */
-	public char[] getScreenAsChars() {
-		char[] sac = new char[lenScreen];
-		char c;
-
-		for (int x = 0; x < lenScreen; x++) {
-			c = planes.getChar(x);
-			// only draw printable characters (in this case >= ' ')
-			if ((c >= ' ') && (!planes.isAttributePlace(x))) {
-				sac[x] = c;
-				// TODO: implement the underline check here
-				//				if (screen[x].underLine && c <= ' ')
-				//					sac[x] = '_';
-			} else
-				sac[x] = ' ';
-		}
-
-		return sac;
-	}
-
-	public char[] getData(int startRow, int startCol, int endRow, int endCol, int plane) {
-		try {
-			int from = getPos(startRow,startCol);
-			int to = getPos(endRow,endCol);
-			if (from > to) {
-
-				int f = from;
-				to = f;
-				from = f;
-			}
-			return planes.getPlaneData(from,to,plane);
-		}
-		catch (Exception oe) {
-			return null;
-		}
-
-	}
-
-	/**
-	 * <p>
-	 *  GetScreen retrieves the various planes associated with the presentation
-	 *  space. The data is returned as a linear array of character values in the
-	 *  array provided. The array is not terminated by a null character except
-	 *  when data is retrieved from the text plane, in which case a single null
-	 *  character is appended.
-	 *  </p>
-	 *  <p>
-	 *  The application must supply a buffer for the returned data and the length
-	 *  of the buffer. Data is returned starting from the beginning of the
-	 *  presentation space and continuing until the buffer is full or the entire
-	 *  plane has been copied. For text plane data, the buffer must include one
-	 *  extra position for the terminating null character.
-	 *  <p>
-	 *
-	 * @param buffer
-	 * @param bufferLength
-	 * @param plane
-	 * @return The number of characters copied to the buffer
-	 * @throws OhioException
-	 */
-	public synchronized int GetScreen(char buffer[], int bufferLength, int plane)
-	//                                       throws OhioException {
-	{
-		return GetScreen(buffer,bufferLength,0,lenScreen,plane);
-
-	}
-
-	/**
-	 * <p>
-	 *  GetScreen retrieves the various planes associated with the presentation
-	 *  space. The data is returned as a linear array of character values in the
-	 *  array provided. The array is not terminated by a null character except
-	 *  when data is retrieved from the text plane, in which case a single null
-	 *  character is appended.
-	 * </p>
-	 * <p>
-	 * The application must supply a buffer for the returned data and the length
-	 * of the buffer. Data is returned starting from the given position and
-	 * continuing until the specified number of characters have been copied, the
-	 * buffer is full or the entire plane has been copied. For text plane data,
-	 * the buffer must include one extra position for the terminating null character.
-	 * </p>
-	 *
-	 * @param buffer
-	 * @param bufferLength
-	 * @param from
-	 * @param length
-	 * @param plane
-	 * @return The number of characters copied to the buffer
-	 * @throws OhioException
-	 */
-	public synchronized int GetScreen(char buffer[], int bufferLength, int from,
-			int length, int plane)
-	//                                    throws OhioException {
-	{
-
-		return planes.GetScreen(buffer,bufferLength, from, length, plane);
-	}
-
-	/**
-	 * <p>
-	 *  GetScreen retrieves the various planes associated with the presentation
-	 *  space. The data is returned as a linear array of character values in the
-	 *  array provided. The array is not terminated by a null character except
-	 *  when data is retrieved from the text plane, in which case a single null
-	 *  character is appended.
-	 *  </p>
-	 *  <p>
-	 *  The application must supply a buffer for the returned data and the length
-	 *  of the buffer. Data is returned starting from the given coordinates and
-	 *  continuing until the specified number of characters have been copied,
-	 *  the buffer is full, or the entire plane has been copied. For text plane
-	 *  data, the buffer must include one extra position for the terminating null
-	 *  character.
-	 *  </p>
-	 *
-	 * @param buffer
-	 * @param bufferLength
-	 * @param row
-	 * @param col
-	 * @param length
-	 * @param plane
-	 * @return The number of characters copied to the buffer.
-	 * @throws OhioException
-	 */
-	public synchronized int GetScreen(char buffer[], int bufferLength, int row,
-			int col, int length, int plane)
-	//                                       throws OhioException {
-	{
-		// Call GetScreen function after converting row and column to
-		// a position.
-		return planes.GetScreen(buffer,bufferLength, row, col, length, plane);
-	}
-
-	/**
-	 * <p>
-	 *  GetScreenRect retrieves data from the various planes associated with the
-	 *  presentation space. The data is returned as a linear array of character
-	 *  values in the buffer provided.
-	 *  </p>
-	 *
-	 * <p>
-	 * The application supplies two positions that represent opposing corners of
-	 * a rectangle within the presentation space. The starting and ending
-	 * positions can have any spatial relationship to each other. The data
-	 * returned starts from the row containing the upper-most point to the row
-	 * containing the lower-most point, and from the left-most column to the
-	 * right-most column.
-	 * </p>
-	 * <p>
-	 * The specified buffer must be at least large enough to contain the number
-	 * of characters in the rectangle. If the buffer is too small, no data is
-	 * copied and zero is returned by the method. Otherwise, the method returns
-	 * the number of characters copied.
-	 * </p>
-	 *
-	 * @param buffer
-	 * @param bufferLength
-	 * @param startPos
-	 * @param endPos
-	 * @param plane
-	 * @return The number of characters copied to the buffer
-	 * @throws OhioException
-	 */
-	public synchronized int GetScreenRect(char buffer[], int bufferLength,
-			int startPos, int endPos, int plane)
-	//                                             throws OhioException {
-	{
-		return planes.GetScreenRect(buffer, bufferLength, startPos, endPos, plane);
-
-	}
-
-	/**
-	 * <p>
-	 *  GetScreenRect retrieves data from the various planes associated with the
-	 *  presentation space. The data is returned as a linear array of character
-	 *  values in the buffer provided. The buffer is not terminated by a null
-	 *  character.
-	 * </p>
-	 * <p>
-	 * The application supplies two coordinates that represent opposing corners
-	 * of a rectangle within the presentation space. The starting and ending
-	 * coordinates can have any spatial relationship to each other. The data
-	 * returned starts from the row containing the upper-most point to the row
-	 * containing the lower-most point, and from the left-most column to the
-	 * right-most column.
-	 * </p>
-	 * <p>
-	 * The specified buffer must be at least large enough to contain the number
-	 * of characters in the rectangle. If the buffer is too small, no data is
-	 * copied and zero is returned by the method. Otherwise, the method returns
-	 * the number of characters copied.
-	 * </p>
-	 *
-	 * @param buffer
-	 * @param bufferLength
-	 * @param startRow
-	 * @param startCol
-	 * @param endRow
-	 * @param endCol
-	 * @param plane
-	 * @return The number characters copied to the buffer
-	 * @throws OhioException
-	 */
-	public synchronized int GetScreenRect(char buffer[], int bufferLength,
-			int startRow, int startCol,
-			int endRow, int endCol, int plane)
-	//                                             throws OhioException {
-	{
-
-		return planes.GetScreenRect(buffer, bufferLength, startRow, startCol, endRow,
-				endCol, plane);
-	}
-
-	public synchronized boolean[] getActiveAidKeys() {
-		return sessionVT.getActiveAidKeys();
-	}
-
-	protected synchronized void setScreenData(String text, int location) {
-		//                                             throws OhioException {
-
-		if (location < 0 || location > lenScreen) {
-			return;
-			//         throw new OhioException(sessionVT.getSessionConfiguration(),
-			//         				OhioScreen5250.class.getName(), "osohio.screen.ohio00300", 1);
-		}
-
-		int pos = location;
-
-		int l = text.length();
-		boolean updated = false;
-		boolean flag = false;
-		int x =0;
-		for (; x < l; x++) {
-			if (isInField(pos + x,true)) {
-				if (!screenFields.getCurrentField().isBypassField()) {
-					if (!flag) {
-						screenFields.getCurrentField().setMDT();
-						updated = true;
-						resetDirty(pos + x);
-						screenFields.setMasterMDT();
-						flag = true;
-					}
-
-					planes.screen[pos + x] = text.charAt(x);
-					setDirty(pos + x);
-				}
-			}
-
-		}
-		lastPos = pos + x;
-		if (updated) {
-			fireScreenChanged(1);
-		}
-
-	}
-
-	/**
-	 * This routine is based on offset 1,1 not 0,0 it will translate to offset
-	 * 0,0 and call the goto_XY(int pos) it is mostly used from external classes
-	 * that use the 1,1 offset
-	 *
-	 * @param row
-	 * @param col
-	 */
-	public void setCursor(int row, int col) {
-		goto_XY(((row - 1) * numCols) + (col - 1));
-	}
-
-	// this routine is based on offset 0,0 not 1,1
-	protected void goto_XY(int pos) {
-		//      setCursorOff();
-		updateCursorLoc();
-		lastPos = pos;
-		//      setCursorOn();
-		updateCursorLoc();
-	}
-
-	/**
-	 * Set the current working field to the field number specified.
-	 *
-	 * @param f -
-	 *            numeric field number on the screen
-	 * @return true or false whether it was sucessful
-	 */
-	public boolean gotoField(int f) {
-
-		int sizeFields = screenFields.getSize();
-
-		if (f > sizeFields || f <= 0)
-			return false;
-
-		screenFields.setCurrentField(screenFields.getField(f - 1));
-
-		while (screenFields.isCurrentFieldBypassField() && f < sizeFields) {
-
-			screenFields.setCurrentField(screenFields.getField(f++));
-
-		}
-		return gotoField(screenFields.getCurrentField());
-	}
-
-	/**
-	 * Convenience method to set the field object passed as the currect working
-	 * screen field
-	 *
-	 * @param f
-	 * @return true or false whether it was sucessful
-	 * @see org.tn5250j.ScreenField
-	 */
-	protected boolean gotoField(ScreenField f) {
-		if (f != null) {
-			goto_XY(f.startPos());
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Convenience class to position the cursor to the next word on the screen
-	 *
-	 */
-	private void gotoNextWord() {
-
-		int pos = lastPos;
-
-		if (planes.getChar(lastPos) > ' ') {
-			advancePos();
-			// get the next space character
-			while (planes.getChar(lastPos) > ' ' && pos != lastPos) {
-				advancePos();
-			}
-		} else
-			advancePos();
-
-		// now that we are positioned on the next space character get the
-		// next none space character
-		while (planes.getChar(lastPos) <= ' ' && pos != lastPos) {
-			advancePos();
-		}
-
-	}
-
-	/**
-	 * Convenience class to position the cursor to the previous word on the
-	 * screen
-	 *
-	 */
-	private void gotoPrevWord() {
-
-		int pos = lastPos;
-
-		changePos(-1);
-
-		// position previous white space character
-		while (planes.getChar(lastPos) <= ' ') {
-			changePos(-1);
-			if (pos == lastPos)
-				break;
-		}
-
-		changePos(-1);
-		// get the previous space character
-		while (planes.getChar(lastPos) > ' ' && pos != lastPos) {
-			changePos(-1);
-		}
-
-		// and position one position more should give us the beginning of word
-		advancePos();
-
-	}
-
-	/**
-	 * Convinience class to position to the next field on the screen.
-	 *
-	 * @see org.tn5250j.ScreenFields
-	 */
-	private void gotoFieldNext() {
-
-		if (screenFields.isCurrentFieldHighlightedEntry())
-			unsetFieldHighlighted(screenFields.getCurrentField());
-
-		screenFields.gotoFieldNext();
-
-		if (screenFields.isCurrentFieldHighlightedEntry())
-			setFieldHighlighted(screenFields.getCurrentField());
-	}
-
-	/**
-	 * Convinience class to position to the previous field on the screen.
-	 *
-	 * @see org.tn5250j.ScreenFields
-	 */
-	private void gotoFieldPrev() {
-
-		if (screenFields.isCurrentFieldHighlightedEntry())
-			unsetFieldHighlighted(screenFields.getCurrentField());
-
-		screenFields.gotoFieldPrev();
-
-		if (screenFields.isCurrentFieldHighlightedEntry())
-			setFieldHighlighted(screenFields.getCurrentField());
-
-	}
-
-	/* *** NEVER USED LOCALLY ************************************************** */
-	//	/**
-	//	 * Used to restrict the cursor to a particular position on the screen. Used
-	//	 * in combination with windows to restrict the cursor to the active window
-	//	 * show on the screen.
-	//	 *
-	//	 * Not supported yet. Please implement me :-(
-	//	 *
-	//	 * @param depth
-	//	 * @param width
-	//	 */
-	//	protected void setRestrictCursor(int depth, int width) {
-	//
-	//		restrictCursor = true;
-	//		//      restriction
-	//
-	//	}
-
-	/**
-	 * Creates a window on the screen
-	 *
-	 * @param depth
-	 * @param width
-	 * @param type
-	 * @param gui
-	 * @param monoAttr
-	 * @param colorAttr
-	 * @param ul
-	 * @param upper
-	 * @param ur
-	 * @param left
-	 * @param right
-	 * @param ll
-	 * @param bottom
-	 * @param lr
-	 */
-	protected void createWindow(int depth, int width, int type, boolean gui,
-			int monoAttr, int colorAttr, int ul, int upper, int ur, int left,
-			int right, int ll, int bottom, int lr) {
-
-		int c = getCol(lastPos);
-		int w = 0;
-		width++;
-
-		w = width;
-		// set leading attribute byte
-		//		screen[lastPos].setCharAndAttr(initChar, initAttr, true);
-		planes.setScreenCharAndAttr(lastPos, initChar, initAttr, true);
-		setDirty(lastPos);
-
-		advancePos();
-		// set upper left
-		//		screen[lastPos].setCharAndAttr((char) ul, colorAttr, false);
-		planes.setScreenCharAndAttr(lastPos, (char) ul, colorAttr, false);
-		if (gui) {
-			//			screen[lastPos].setUseGUI(UPPER_LEFT);
-			planes.setUseGUI(lastPos, UPPER_LEFT);
-		}
-		setDirty(lastPos);
-
-		advancePos();
-
-		// draw top row
-
-		while (w-- >= 0) {
-			//			screen[lastPos].setCharAndAttr((char) upper, colorAttr, false);
-			planes.setScreenCharAndAttr(lastPos, (char) upper, colorAttr, false);
-			if (gui) {
-				//				screen[lastPos].setUseGUI(UPPER);
-				planes.setUseGUI(lastPos,UPPER);
-			}
-			setDirty(lastPos);
-			advancePos();
-		}
-
-		// set upper right
-		//		screen[lastPos].setCharAndAttr((char) ur, colorAttr, false);
-		planes.setScreenCharAndAttr(lastPos,(char) ur, colorAttr, false);
-
-		if (gui) {
-			//			screen[lastPos].setUseGUI(UPPER_RIGHT);
-			planes.setUseGUI(lastPos, UPPER_RIGHT);
-		}
-		setDirty(lastPos);
-		advancePos();
-
-		// set ending attribute byte
-		planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
-
-		setDirty(lastPos);
-
-		lastPos = ((getRow(lastPos) + 1) * numCols) + c;
-
-		// now handle body of window
-		while (depth-- > 0) {
-
-			// set leading attribute byte
-			planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
-			setDirty(lastPos);
-			advancePos();
-
-			// set left
-			planes.setScreenCharAndAttr(lastPos, (char) left, colorAttr, false);
-
-			if (gui) {
-				planes.setUseGUI(lastPos,GUI_LEFT);
-			}
-			setDirty(lastPos);
-			advancePos();
-
-			w = width;
-			// fill it in
-			while (w-- >= 0) {
-				//				screen[lastPos].setCharAndAttr(initChar, initAttr, true);
-				planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
-				//				screen[lastPos].setUseGUI(NO_GUI);
-				planes.setUseGUI(lastPos,NO_GUI);
-				setDirty(lastPos);
-				advancePos();
-			}
-
-			// set right
-			//			screen[lastPos].setCharAndAttr((char) right, colorAttr, false);
-			planes.setScreenCharAndAttr(lastPos,(char) right, colorAttr, false);
-			if (gui) {
-				//				screen[lastPos].setUseGUI(RIGHT);
-				planes.setUseGUI(lastPos,GUI_RIGHT);
-			}
-
-			setDirty(lastPos);
-			advancePos();
-
-			// set ending attribute byte
-			//			screen[lastPos].setCharAndAttr(initChar, initAttr, true);
-			planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
-			setDirty(lastPos);
-
-			lastPos = ((getRow(lastPos) + 1) * numCols) + c;
-		}
-
-		// set leading attribute byte
-		//		screen[lastPos].setCharAndAttr(initChar, initAttr, true);
-		planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
-		setDirty(lastPos);
-		advancePos();
-
-		// set lower left
-		//		screen[lastPos].setCharAndAttr((char) ll, colorAttr, false);
-		planes.setScreenCharAndAttr(lastPos,(char) ll, colorAttr, false);
-		if (gui) {
-			//			screen[lastPos].setUseGUI(LOWER_LEFT);
-			planes.setUseGUI(lastPos,LOWER_LEFT);
-		}
-		setDirty(lastPos);
-		advancePos();
-
-		w = width;
-
-		// draw bottom row
-		while (w-- >= 0) {
-			planes.setScreenCharAndAttr(lastPos,(char) bottom, colorAttr, false);
-			if (gui) {
-				planes.setUseGUI(lastPos,BOTTOM);
-			}
-			setDirty(lastPos);
-			advancePos();
-		}
-
-		// set lower right
-		planes.setScreenCharAndAttr(lastPos, (char) lr, colorAttr, false);
-		if (gui) {
-			planes.setUseGUI(lastPos,LOWER_RIGHT);
-		}
-
-		setDirty(lastPos);
-		advancePos();
-
-		// set ending attribute byte
-		planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
-		setDirty(lastPos);
-
-	}
-
-	/**
-	 * Creates a scroll bar on the screen using the parameters provided.
-	 *  ** we only support vertical scroll bars at the time.
-	 *
-	 * @param flag -
-	 *            type to draw - vertical or horizontal
-	 * @param totalRowScrollable
-	 * @param totalColScrollable
-	 * @param sliderRowPos
-	 * @param sliderColPos
-	 * @param sbSize
-	 */
-	protected void createScrollBar(int flag, int totalRowScrollable,
-			int totalColScrollable, int sliderRowPos, int sliderColPos,
-			int sbSize) {
-
-		//      System.out.println("Scrollbar flag: " + flag +
-		//                           " scrollable Rows: " + totalRowScrollable +
-		//                           " scrollable Cols: " + totalColScrollable +
-		//                           " thumb Row: " + sliderRowPos +
-		//                           " thumb Col: " + sliderColPos +
-		//                           " size: " + sbSize +
-		//                           " row: " + getRow(lastPos) +
-		//                           " col: " + getCol(lastPos));
-
-		int sp = lastPos;
-		int size = sbSize - 2;
-
-		int thumbPos = (int) (size * ((float) sliderColPos / (float) totalColScrollable));
-		//      System.out.println(thumbPos);
-		planes.setScreenCharAndAttr(sp,' ', 32, false);
-		planes.setUseGUI(sp,BUTTON_SB_UP);
-
-		int ctr = 0;
-		while (ctr < size) {
-			sp += numCols;
-			planes.setScreenCharAndAttr(sp,' ', 32, false);
-			if (ctr == thumbPos)
-				planes.setUseGUI(sp,BUTTON_SB_THUMB);
-			else
-				planes.setUseGUI(sp, BUTTON_SB_GUIDE);
-			ctr++;
-		}
-		sp += numCols;
-
-
-		planes.setScreenCharAndAttr(sp, ' ', 32, false);
-		planes.setUseGUI(sp, BUTTON_SB_DN);
-	}
-
-	/**
-	 * Write the title of the window that is on the screen
-	 *
-	 * @param pos
-	 * @param depth
-	 * @param width
-	 * @param orientation
-	 * @param monoAttr
-	 * @param colorAttr
-	 * @param title
-	 */
-	protected void writeWindowTitle(int pos, int depth, int width,
-			byte orientation, int monoAttr, int colorAttr, StringBuffer title) {
-
-		int len = title.length();
-
-		// get bit 0 and 1 for interrogation
-		switch (orientation & 0xc0) {
-		case 0x40: // right
-			pos += (4 + width - len);
-			break;
-		case 0x80: // left
-			pos += 2;
-			break;
-		default: // center
-			// this is to place the position to the first text position of the
-			// window
-			//    the position passed in is the first attribute position, the next
-			//    is the border character and then there is another attribute after
-			//    that.
-			pos += (3 + ((width / 2) - (len / 2)));
-			break;
-
-		}
-
-		//  if bit 2 is on then this is a footer
-		if ((orientation & 0x20) == 0x20)
-			pos += ((depth + 1) * numCols);
-
-		//      System.out.println(pos + "," + width + "," + len+ "," + getRow(pos)
-		//                              + "," + getCol(pos) + "," + ((orientation >> 6) & 0xf0));
-
-		for (int x = 0; x < len; x++) {
-			planes.setChar(pos, title.charAt(x));
-			planes.setUseGUI(pos++, NO_GUI);
-
-		}
-	}
-
-	/**
-	 * Roll the screen up or down.
-	 *
-	 * Byte 1: Bit 0 0 = Roll up 1 = Roll down Bits 1-2 Reserved Bits 3-7 Number
-	 * of lines that the designated area is to be rolled Byte 2: Bits 0-7 Line
-	 * number defining the top line of the area that will participate in the
-	 * roll. Byte 3: Bits 0-7 Line number defining the bottom line of the area
-	 * that will participate in the roll.
-	 *
-	 * @param direction
-	 * @param topLine
-	 * @param bottomLine
-	 */
-	protected void rollScreen(int direction, int topLine, int bottomLine) {
-
-		// get the number of lines which are the last 5 bits
-		/* int lines = direction & 0x7F; */
-		// get the direction of the roll which is the first bit
-		//    0 - up
-		//    1 - down
-		int updown = direction & 0x80;
-		final int lines = direction & 0x7F;
-
-		// calculate the reference points for the move.
-		int start = this.getPos(topLine - 1, 0);
-		int end = this.getPos(bottomLine - 1, numCols - 1);
-		int len = end - start;
-
-		//      System.out.println(" starting roll");
-		//      dumpScreen();
-		switch (updown) {
-		case 0:
-			//  Now round em up and head em UP.
-			for (int x = start; x < end + numCols; x++) {
-				if (x + lines * numCols >= lenScreen) {
-					//Clear at the end
-					planes.setChar(x, ' ');
-				} else {
-					planes.setChar(x, planes.getChar(x + lines * numCols  ));
-				}
-			}
-			break;
-		case 1:
-			//  Now round em up and head em DOWN.
-			for (int x = end + numCols; x > 0; x--) {
-				if ((x - lines * numCols ) < 0 ) {
-					//Do nothing ... tooo small!!!
-				} else {
-					planes.setChar(x - lines  * numCols, planes.getChar(x));
-					//and clear
-					planes.setChar(x, ' ');
-				}
-			}
-			break;
-		default:
-			Log.w(TAG," Invalid roll parameter - please report this");
-		}
-		//      System.out.println(" end roll");
-		//      dumpScreen();
-
-	}
-
-	public void dumpScreen() {
-
-		StringBuffer sb = new StringBuffer();
-		char[] s = getScreenAsChars();
-		int c = getColumns();
-		int l = getRows() * c;
-		int col = 0;
-		for (int x = 0; x < l; x++, col++) {
-			sb.append(s[x]);
-			if (col == c) {
-				sb.append('\n');
-				col = 0;
-			}
-		}
-		Log.i(TAG,sb.toString());
-
-	}
-
-	/**
-	 * Add a field to the field format table.
-	 *
-	 * @param attr - Field attribute
-	 * @param len - length of field
-	 * @param ffw1 - Field format word 1
-	 * @param ffw2 - Field format word 2
-	 * @param fcw1 - Field control word 1
-	 * @param fcw2 - Field control word 2
-	 */
-	protected void addField(int attr, int len, int ffw1, int ffw2, int fcw1,
-			int fcw2) {
-
-		lastAttr = attr;
-
-		planes.setScreenCharAndAttr(lastPos, initChar, lastAttr, true);
-
-		setDirty(lastPos);
-
-		advancePos();
-
-		ScreenField sf = null;
-
-		// from 14.6.12 for Start of Field Order 5940 function manual
-		//  examine the format table for an entry that begins at the current
-		//  starting address plus 1.
-		if (screenFields.existsAtPos(lastPos)) {
-			screenFields.setCurrentFieldFFWs(ffw1, ffw2);
-		} else {
-			sf = screenFields.setField(attr, getRow(lastPos), getCol(lastPos),
-					len, ffw1, ffw2, fcw1, fcw2);
-			lastPos = sf.startPos();
-			int x = len;
-
-			boolean gui = guiInterface;
-			if (sf.isBypassField())
-				gui = false;
-
-			while (x-- > 0) {
-
-				if (planes.getChar(lastPos) == 0)
-					planes.setScreenCharAndAttr(lastPos, ' ', lastAttr, false);
-				else
-					planes.setScreenAttr(lastPos,lastAttr);
-
-				if (gui) {
-					planes.setUseGUI(lastPos,FIELD_MIDDLE);
-				}
-
-				// now we set the field plane attributes
-				planes.setScreenFieldAttr(lastPos,ffw1);
-
-				advancePos();
-
-			}
-
-			if (gui)
-				if (len > 1) {
-					planes.setUseGUI(sf.startPos(), FIELD_LEFT);
-
-					if (lastPos > 0)
-						planes.setUseGUI(lastPos - 1, FIELD_RIGHT);
-					else
-						planes.setUseGUI(lastPos,FIELD_RIGHT);
-
-				}
-				else {
-					planes.setUseGUI(lastPos - 1,FIELD_ONE);
-				}
-
-			//         screen[lastPos].setCharAndAttr(initChar,initAttr,true);
-			setEndingAttr(initAttr);
-
-			lastPos = sf.startPos();
-		}
-
-		//      if (fcw1 != 0 || fcw2 != 0) {
-
-		//         System.out.println("lr = " + lastRow + " lc = " + lastCol + " " +
-		// sf.toString());
-		//      }
-		sf = null;
-
-	}
-
-
-	//      public void addChoiceField(int attr, int len, int ffw1, int ffw2, int
-	// fcw1, int fcw2) {
-	//
-	//         lastAttr = attr;
-	//
-	//         screen[lastPos].setCharAndAttr(initChar,lastAttr,true);
-	//         setDirty(lastPos);
-	//
-	//         advancePos();
-	//
-	//         boolean found = false;
-	//         ScreenField sf = null;
-	//
-	//         // from 14.6.12 for Start of Field Order 5940 function manual
-	//         // examine the format table for an entry that begins at the current
-	//         // starting address plus 1.
-	//         for (int x = 0;x < sizeFields; x++) {
-	//            sf = screenFields[x];
-	//
-	//            if (lastPos == sf.startPos()) {
-	//               screenFields.getCurrentField() = sf;
-	//               screenFields.getCurrentField().setFFWs(ffw1,ffw2);
-	//               found = true;
-	//            }
-	//
-	//         }
-	//
-	//         if (!found) {
-	//            sf =
-	// setField(attr,getRow(lastPos),getCol(lastPos),len,ffw1,ffw2,fcw1,fcw2);
-	//
-	//            lastPos = sf.startPos();
-	//            int x = len;
-	//
-	//            boolean gui = guiInterface;
-	//            if (sf.isBypassField())
-	//               gui = false;
-	//
-	//            while (x-- > 0) {
-	//
-	//               if (screen[lastPos].getChar() == 0)
-	//                  screen[lastPos].setCharAndAttr(' ',lastAttr,false);
-	//               else
-	//                  screen[lastPos].setAttribute(lastAttr);
-	//
-	//               if (gui)
-	//                  screen[lastPos].setUseGUI(FIELD_MIDDLE);
-	//
-	//               advancePos();
-	//
-	//            }
-	//
-	//            if (gui)
-	//               if (len > 1) {
-	//                  screen[sf.startPos()].setUseGUI(FIELD_LEFT);
-	//                  if (lastPos > 0)
-	//                     screen[lastPos-1].setUseGUI(FIELD_RIGHT);
-	//                  else
-	//                     screen[lastPos].setUseGUI(FIELD_RIGHT);
-	//
-	//               }
-	//               else
-	//                  screen[lastPos-1].setUseGUI(FIELD_ONE);
-	//
-	//            setEndingAttr(initAttr);
-	//
-	//            lastPos = sf.startPos();
-	//         }
-	//
-	//   // if (fcw1 != 0 || fcw2 != 0) {
-	//   //
-	//   // System.out.println("lr = " + lastRow + " lc = " + lastCol + " " +
-	// sf.toString());
-	//   // }
-	//         sf = null;
-	//
-	//      }
-
-	/**
-	 * Return the fields that are contained in the Field Format Table
-	 *
-	 * @return ScreenFields object
-	 * @see org.tn5250j.ScreenFields
-	 */
-	public ScreenFields getScreenFields() {
-		return screenFields;
-	}
-
-	/**
-	 * Redraw the fields on the screen. Used for gui enhancement to redraw the
-	 * fields when toggling
-	 *
-	 */
-	protected void drawFields() {
-
-		ScreenField sf;
-
-		int sizeFields = screenFields.getSize();
-		for (int x = 0; x < sizeFields; x++) {
-
-			sf = screenFields.getField(x);
-
-			if (!sf.isBypassField()) {
-				int pos = sf.startPos();
-
-				int l = sf.length;
-
-				boolean f = true;
-
-				if (l >= lenScreen)
-					l = lenScreen - 1;
-
-				if (l > 1) {
-					while (l-- > 0) {
-
-						if (guiInterface && f) {
-							planes.setUseGUI(pos,FIELD_LEFT);
-							f = false;
-						} else {
-
-							planes.setUseGUI(pos,FIELD_MIDDLE);
-
-						}
-
-						if (guiInterface && l == 0) {
-							planes.setUseGUI(pos,FIELD_RIGHT);
-						}
-
-						setDirty(pos++);
-					}
-				} else {
-					planes.setUseGUI(pos,FIELD_ONE);
-				}
-			}
-		}
-
-		//updateDirty();
-	}
-
-	/**
-	 * Draws the field on the screen. Used to redraw or change the attributes of
-	 * the field.
-	 *
-	 * @param sf -
-	 *            Field to be redrawn
-	 * @see org.tn5250j.ScreenField.java
-	 */
-	protected void drawField(ScreenField sf) {
-
-		int pos = sf.startPos();
-
-		int x = sf.length;
-
-		while (x-- > 0) {
-			setDirty(pos++);
-		}
-
-		updateDirty();
-
-	}
-
-	/**
-	 * Set the field to be displayed as highlighted.
-	 *
-	 * @param sf -
-	 *            Field to be highlighted
-	 */
-	protected void setFieldHighlighted(ScreenField sf) {
-
-		int pos = sf.startPos();
-
-		int x = sf.length;
-		int na = sf.getHighlightedAttr();
-
-		while (x-- > 0) {
-			planes.setScreenAttr(pos,na);
-			setDirty(pos++);
-		}
-		fireScreenChanged(1);
-
-	}
-
-	/**
-	 * Draw the field as un higlighted. This is used to reset the field
-	 * presentation on the screen after the field is exited.
-	 *
-	 * @param sf -
-	 *            Field to be unhighlighted
-	 */
-	protected void unsetFieldHighlighted(ScreenField sf) {
-
-		int pos = sf.startPos();
-
-		int x = sf.length;
-		int na = sf.getAttr();
-
-		while (x-- > 0) {
-			planes.setScreenAttr(pos,na);
-			setDirty(pos++);
-		}
-		fireScreenChanged(1);
-
-	}
-
-	protected void setChar(int cByte) {
-		if (lastPos > 0) {
-			lastAttr = planes.getCharAttr(lastPos - 1);
-		}
-		if (cByte > 0 && (char)cByte < ' ') {
-			planes.setScreenCharAndAttr(lastPos, (char) 0x00, 33, false);
-			setDirty(lastPos);
-			advancePos();
-		} else {
-			planes.setScreenCharAndAttr(lastPos, (char) cByte, lastAttr, false);
-			setDirty(lastPos);
-			if (guiInterface && !isInField(lastPos, false)) {
-				planes.setUseGUI(lastPos, NO_GUI);
-			}
-			advancePos();
-		}
-	}
-
-	protected void setEndingAttr(int cByte) {
-		int attr = lastAttr;
-		setAttr(cByte);
-		lastAttr = attr;
-	}
-
-	protected void setAttr(int cByte) {
-		lastAttr = cByte;
-
-		//      int sattr = screen[lastPos].getCharAttr();
-		//         System.out.println("changing from " + sattr + " to attr " + lastAttr
-		// +
-		//                     " at " + (this.getRow(lastPos) + 1) + "," + (this.getCol(lastPos) +
-		// 1));
-		planes.setScreenCharAndAttr(lastPos, initChar, lastAttr, true);
-		setDirty(lastPos);
-
-		advancePos();
-		int pos = lastPos;
-
-		int times = 0;
-		//      sattr = screen[lastPos].getCharAttr();
-		//         System.out.println(" next position after change " + sattr + " last
-		// attr " + lastAttr +
-		//                     " at " + (this.getRow(lastPos) + 1) + "," + (this.getCol(lastPos) +
-		// 1) +
-		//                     " attr place " + screen[lastPos].isAttributePlace());
-
-		while (planes.getCharAttr(lastPos) != lastAttr
-				&& !planes.isAttributePlace(lastPos)) {
-
-			planes.setScreenAttr(lastPos, lastAttr);
-			if (guiInterface && !isInField(lastPos, false)) {
-				int g = planes.getWhichGUI(lastPos);
-				if (g >= FIELD_LEFT && g <= FIELD_ONE)
-					planes.setUseGUI(lastPos,NO_GUI);
-			}
-			setDirty(lastPos);
-
-			times++;
-			advancePos();
-		}
-
-		// sanity check for right now
-		//      if (times > 200)
-		//         System.out.println(" setAttr = " + times + " start = " + (sr + 1) +
-		// "," + (sc + 1));
-
-		lastPos = pos;
-	}
-
-	protected void setScreenCharAndAttr(char right, int colorAttr, boolean isAttr) {
-
-		planes.setScreenCharAndAttr(lastPos,right, colorAttr, isAttr);
-		setDirty(lastPos);
-		advancePos();
-
-	}
-
-	protected void setScreenCharAndAttr(char right, int colorAttr,
-			int whichGui, boolean isAttr) {
-
-		planes.setScreenCharAndAttr(lastPos,right, colorAttr, isAttr);
-		planes.setUseGUI(lastPos,whichGui);
-
-		setDirty(lastPos);
-		advancePos();
-
-	}
-
-	/**
-	 * Draw or redraw the dirty parts of the screen and display them.
-	 *
-	 * Rectangle dirty holds the dirty area of the screen to be updated.
-	 *
-	 * If you want to change the screen in anyway you need to set the screen
-	 * attributes before calling this routine.
-	 */
-	protected void updateDirty() {
-
-		fireScreenChanged(1);
-
-	}
-
-	protected void setDirty(int pos) {
-
-		int minr = Math.min(getRow(pos),getRow(dirtyScreen.x));
-		int minc = Math.min(getCol(pos),getCol(dirtyScreen.x));
-
-		int maxr = Math.max(getRow(pos),getRow(dirtyScreen.y));
-		int maxc = Math.max(getCol(pos),getCol(dirtyScreen.y));
-
-		int x1 = getPos(minr,minc);
-		int x2 = getPos(maxr,maxc);
-
-		dirtyScreen.setBounds(x1,x2,0,0);
-
-	}
-
-	/* *** NEVER USED LOCALLY ************************************************** */
-	//	private void setDirty(int row, int col) {
-	//
-	//		setDirty(getPos(row, col));
-	//
-	//	}
-
-	private void resetDirty(int pos) {
-
-		dirtyScreen.setBounds(pos,pos,0,0);
-
-	}
-
-	/**
-	 * Change the screen position by one column
-	 */
-	protected void advancePos() {
-		changePos(1);
-	}
-
-	/**
-	 * Change position of the screen by the increment of parameter passed.
-	 *
-	 * If the position change is under the minimum of the first screen position
-	 * then the position is moved to the last row and column of the screen.
-	 *
-	 * If the position change is over the last row and column of the screen then
-	 * cursor is moved to first position of the screen.
-	 *
-	 * @param i
-	 */
-	protected void changePos(int i) {
-
-		lastPos += i;
-		if (lastPos < 0)
-			lastPos = lenScreen + lastPos;
-		if (lastPos > lenScreen - 1)
-			lastPos = lastPos - lenScreen;
-
-		//      System.out.println(lastRow + "," + ((lastPos) / numCols) + "," +
-		//                         lastCol + "," + ((lastPos) % numCols) + "," +
-		//                         ((lastRow * numCols) + lastCol) + "," +
-		//                         (lastPos));
-
-	}
-
-	protected void goHome() {
-
-		//  now we try to move to first input field according to
-		//  14.6 WRITE TO DISPLAY Command
-		//    ? If the WTD command is valid, after the command is processed,
-		//          the cursor moves to one of three locations:
-		//    - The location set by an insert cursor order (unless control
-		//          character byte 1, bit 1 is equal to B'1'.)
-		//    - The start of the first non-bypass input field defined in the
-		//          format table
-		//    - A default starting address of row 1 column 1.
-
-		if (pendingInsert && homePos > 0) {
-			setCursor(getRow(homePos), getCol(homePos));
-			isInField(); // we now check if we are in a field
-		} else {
-			if (!gotoField(1)) {
-				homePos = getPos(1, 1);
-				setCursor(1, 1);
-				isInField(0, 0); // we now check if we are in a field
-			} else {
-				homePos = getPos(getCurrentRow(), getCurrentCol());
-			}
-		}
-	}
-
-	protected void setPendingInsert(boolean flag, int icX, int icY) {
-		pendingInsert = flag;
-		if (pendingInsert) {
-			homePos = getPos(icX, icY);
-		}
-
-		if (!isStatusErrorCode()) {
-			setCursor(icX, icY);
-		}
-	}
-
-	protected void setPendingInsert(boolean flag) {
-		if (homePos != -1)
-			pendingInsert = flag;
-	}
-
-	/**
-	 * Set the error line number to that of number passed.
-	 *
-	 * @param line
-	 */
-	protected void setErrorLine(int line) {
-
-		planes.setErrorLine(line);
-	}
-
-	/**
-	 * Returns the current error line number
-	 *
-	 * @return current error line number
-	 */
-	protected int getErrorLine() {
-		return planes.getErrorLine();
-	}
-
-	/**
-	 * Saves off the current error line characters to be used later.
-	 *
-	 */
-	protected void saveErrorLine() {
-		planes.saveErrorLine();
-	}
-
-	/**
-	 * Restores the error line characters from the save buffer.
-	 *
-	 * @see #saveErrorLine()
-	 */
-	protected void restoreErrorLine() {
-
-		if (planes.isErrorLineSaved()) {
-			planes.restoreErrorLine();
-			fireScreenChanged(1,planes.getErrorLine()-1,0,planes.getErrorLine()-1,numCols - 1);
-		}
-	}
-
-	protected void setStatus(byte attr, byte value, String s) {
-
-		// set the status area
-		switch (attr) {
-
-		case STATUS_SYSTEM:
-			if (value == STATUS_VALUE_ON) {
-				oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_SYSTEM_WAIT,ScreenOIA.OIA_LEVEL_INPUT_INHIBITED, s);
-			}
-			else {
-				oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_NOTINHIBITED,ScreenOIA.OIA_LEVEL_NOT_INHIBITED,s);
-			}
-			break;
-
-		case STATUS_ERROR_CODE:
-			if (value == STATUS_VALUE_ON) {
-				setPrehelpState(true, true, false);
-				oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_SYSTEM_WAIT,
-						ScreenOIA.OIA_LEVEL_INPUT_ERROR,s);
-
-				sessionVT.signalBell();
-			} else {
-				oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_NOTINHIBITED,
-						ScreenOIA.OIA_LEVEL_NOT_INHIBITED);
-				setPrehelpState(false, true, true);
-				homePos = saveHomePos;
-				saveHomePos = 0;
-				pendingInsert = false;
-			}
-			break;
-
-		}
-	}
-
-	protected boolean isStatusErrorCode() {
-
-		return oia.getLevel() == ScreenOIA.OIA_LEVEL_INPUT_ERROR;
-
-	}
-
-	/**
-	 * This routine clears the screen, resets row and column to 0, resets the
-	 * last attribute to 32, clears the fields, turns insert mode off,
-	 * clears/initializes the screen character array.
-	 */
-	protected void clearAll() {
-
-		lastAttr = 32;
-		lastPos = 0;
-
-		clearTable();
-		clearScreen();
-		planes.setScreenAttr(0, initAttr);
-		oia.setInsertMode(false);
-	}
-
-	/**
-	 * Clear the fields table
-	 */
-	protected void clearTable() {
-
-		oia.setKeyBoardLocked(true);
-		screenFields.clearFFT();
-		planes.initalizeFieldPlanes();
-		pendingInsert = false;
-		homePos = -1;
-	}
-
-	/**
-	 * Clear the gui constructs
-	 *
-	 */
-	protected void clearGuiStuff() {
-
-		for (int x = 0; x < lenScreen; x++) {
-			planes.setUseGUI(x,NO_GUI);
-		}
-		dirtyScreen.setBounds(0,lenScreen - 1,0,0);
-	}
-
-	/**
-	 * Clear the screen by setting the initial character and initial attribute
-	 * to all the positions on the screen
-	 */
-	protected void clearScreen() {
-
-		planes.initalizePlanes();
-
-		dirtyScreen.setBounds(0,lenScreen - 1,0,0);
-
-		oia.clearScreen();
-
-	}
-
-	protected void restoreScreen() {
-
-		lastAttr = 32;
-		dirtyScreen.setBounds(0,lenScreen - 1,0,0);
-		updateDirty();
-	}
-
-	/**
-	 * Notify all registered listeners of the onScreenChanged event.
-	 *
-	 */
-	private void fireScreenChanged(int which, int startRow, int startCol,
-			int endRow, int endCol) {
-		if (listeners != null) {
-			// Patch below contributed by Mitch Blevins
-			//int size = listeners.size();
-			Vector<ScreenListener> lc = new Vector<ScreenListener>(listeners);
-			int size = lc.size();
-			for (int i = 0; i < size; i++) {
-				//ScreenListener target =
-				//      (ScreenListener)listeners.elementAt(i);
-				ScreenListener target = lc.elementAt(i);
-				target.onScreenChanged(1,startRow,startCol,endRow,endCol);
-			}
-		}
-		dirtyScreen.setBounds(lenScreen,0,0,0);
-	}
-
-	/**
-	 * Notify all registered listeners of the onScreenChanged event.
-	 *
-	 */
-	private synchronized void fireScreenChanged(int update) {
-		if (dirtyScreen.x > dirtyScreen.y) {
-			//         Log.i(TAG," x < y " + dirtyScreen);
-			return;
-		}
-
-		fireScreenChanged(update, getRow(dirtyScreen.x), getCol(dirtyScreen.x),
-				getRow(dirtyScreen.y), getCol(dirtyScreen.y));
-
-	}
-
-	/**
-	 * Notify all registered listeners of the onScreenChanged event.
-	 *
-	 */
-	private synchronized void fireCursorChanged(int update) {
-		int startRow = getRow(lastPos);
-		int startCol = getCol(lastPos);
-
-		if (listeners != null) {
-			Vector<ScreenListener> lc = new Vector<ScreenListener>(listeners);
-			//int size = listeners.size();
-			int size = lc.size();
-			for (int i = 0; i < size; i++) {
-				ScreenListener target =
-					lc.elementAt(i);
-				target.onScreenChanged(update,startRow,startCol,startRow,startCol);
-			}
-		}
-	}
-
-	/**
-	 * Notify all registered listeners of the onScreenSizeChanged event.
-	 *
-	 */
-	private void fireScreenSizeChanged() {
-
-		if (listeners != null) {
-			Vector<ScreenListener> lc = new Vector<ScreenListener>(listeners);
-			//int size = listeners.size();
-			int size = lc.size();
-			for (int i = 0; i < size; i++) {
-				ScreenListener target =
-					lc.elementAt(i);
-				target.onScreenSizeChanged(numRows,numCols);
-			}
-		}
-	}
-
-	/**
-	 * This method does a complete refresh of the screen.
-	 */
-	public final void updateScreen() {
-		repaintScreen();
-		setCursorActive(false);
-		setCursorActive(true);
-	}
-
-	/**
-	 * Add a ScreenListener to the listener list.
-	 *
-	 * @param listener  The ScreenListener to be added
-	 */
-	public void addScreenListener(ScreenListener listener) {
-
-		if (listeners == null) {
-			listeners = new java.util.Vector<ScreenListener>(3);
-		}
-		listeners.addElement(listener);
-
-	}
-
-	/**
-	 * Remove a ScreenListener from the listener list.
-	 *
-	 * @param listener  The ScreenListener to be removed
-	 */
-	public void removeScreenListener(ScreenListener listener) {
-
-		if (listeners == null) {
-			return;
-		}
-		listeners.removeElement(listener);
-	}
-
-	/**
-	 * Utility method to share the repaint behaviour between setBounds() and
-	 * updateScreen.
-	 */
-	public void repaintScreen() {
-
-		setCursorOff();
-		dirtyScreen.setBounds(0,lenScreen - 1,0,0);
-		updateDirty();
-		// restore statuses that were on the screen before resize
-		if (oia.getLevel() == ScreenOIA.OIA_LEVEL_INPUT_ERROR) {
-			oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_SYSTEM_WAIT,
-					ScreenOIA.OIA_LEVEL_INPUT_ERROR);
-		}
-
-		if (oia.getLevel() == ScreenOIA.OIA_LEVEL_INPUT_INHIBITED) {
-			oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_SYSTEM_WAIT,
-					ScreenOIA.OIA_LEVEL_INPUT_INHIBITED);
-		}
-
-		if (oia.isMessageWait())
-			oia.setMessageLightOn();
-		setCursorOn();
-	}
-
-	// ADDED BY BARRY - changed by Kenneth to use the character plane
-	//  This should be replaced with the getPlane methods when they are implemented
-	public char[] getCharacters() {
-		return planes.screen;
-	}
+                        // take out the log statement when we are sure it is
+                        // working
+                        Log.i(TAG,"Send to external Browser: " + eb.toString());
+                        break;
+
+                    default:
+                        int aidKey = Integer.parseInt(aid.toString());
+                        if (aidKey >= 1 && aidKey <= 12)
+                            sessionVT.sendAidKey(0x30 + aidKey);
+                        if (aidKey >= 13 && aidKey <= 24)
+                            sessionVT.sendAidKey(0xB0 + (aidKey - 12));
+                    }
+                } else {
+                    if (screenFields.getCurrentField() != null) {
+                        int xPos = screenFields.getCurrentField().startPos();
+                        for (int x = 0; x < aid.length(); x++) {
+                            //                  System.out.println(sr + "," + (sc + x) + " " +
+                            // aid.charAt(x));
+                            planes.setChar(xPos + x , aid.charAt(x));
+                        }
+                        //                  System.out.println(aid);
+                        screenFields.setCurrentFieldMDT();
+                        sessionVT.sendAidKey(AID_ENTER);
+                    }
+
+                }
+                // return back to the calling routine that the cursor was not moved
+                // but something else here was done like aid keys or the such
+                return false;
+            }
+            // this is a note to not execute this code here when we
+            // implement
+            //   the remain after edit function option.
+            //              if (gui.rubberband.isAreaSelected()) {
+            //                  gui.rubberband.reset();
+            //                  gui.repaint();
+            //              } else {
+            goto_XY(pos);
+            isInField(lastPos);
+
+            // return back to the calling object that the cursor was indeed
+            //  moved with in the screen object
+            return true;
+            //              }
+        }
+        return false;
+    }
+
+    public void setVT(tnvt v) {
+        sessionVT = v;
+    }
+
+    public void setBuffer(vt320 buffer) {
+        this.buffer = buffer;
+    }
+
+    /**
+     * Searches the mnemonicData array looking for the specified string. If it
+     * is found it will return the value associated from the mnemonicValue
+     *
+     * @see #sendKeys
+     * @param mnem
+     *            string mnemonic value
+     * @return key value of Mnemonic
+     */
+    private int getMnemonicValue(String mnem) {
+
+        for (int x = 0; x < mnemonicData.length; x++) {
+
+            if (mnemonicData[x].equals(mnem))
+                return mnemonicValue[x];
+        }
+        return 0;
+
+    }
+
+    protected void setPrehelpState(boolean setErrorCode, boolean lockKeyboard,
+            boolean unlockIfLocked) {
+        if (oia.isKeyBoardLocked() && unlockIfLocked)
+            oia.setKeyBoardLocked(false);
+        else
+            oia.setKeyBoardLocked(lockKeyboard);
+        bufferedKeys = null;
+        oia.setKeysBuffered(false);
+
+
+    }
+
+    /**
+     * Activate the cursor on screen
+     *
+     * @param activate
+     */
+    public void setCursorActive(boolean activate) {
+
+        //      System.out.println("cursor active " + updateCursorLoc + " " +
+        // cursorActive + " " + activate);
+        if (cursorActive && !activate) {
+            setCursorOff();
+            cursorActive = activate;
+        } else {
+            if (!cursorActive && activate) {
+                cursorActive = activate;
+                setCursorOn();
+            }
+        }
+    }
+
+    /**
+     * Set the cursor on
+     */
+    public void setCursorOn() {
+        cursorShown = true;
+        updateCursorLoc();
+    }
+
+    /**
+     * Set the cursor off
+     */
+    public void setCursorOff() {
+
+        cursorShown = false;
+        updateCursorLoc();
+        //      System.out.println("cursor off " + updateCursorLoc + " " +
+        // cursorActive);
+
+    }
+
+    /**
+     *
+     */
+    private void updateCursorLoc() {
+        if (cursorActive) {
+            fireCursorChanged();
+        }
+    }
+
+    //Added by Barry
+    public String getKeys() {
+        String result = this.keybuf.toString();
+        this.keybuf = new StringBuffer();
+        return result;
+    }
+
+    /**
+     * The sendKeys method sends a string of keys to the virtual screen. This
+     * method acts as if keystrokes were being typed from the keyboard. The
+     * keystrokes will be sent to the location given. The string being passed
+     * can also contain mnemonic values such as [enter] enter key,[tab] tab key,
+     * [pf1] pf1 etc...
+     *
+     * These will be processed as if you had pressed these keys from the
+     * keyboard. All the valid special key values are contained in the MNEMONIC
+     * enumeration:
+     *
+     * <table BORDER COLS=2 WIDTH="50%" >
+     *
+     * <tr>
+     * <td>MNEMONIC_CLEAR</td>
+     * <td>[clear]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_ENTER</td>
+     * <td>[enter]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_HELP</td>
+     * <td>[help]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PAGE_DOWN</td>
+     * <td>[pgdown]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PAGE_UP</td>
+     * <td>[pgup]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PRINT</td>
+     * <td>[print]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF1</td>
+     * <td>[pf1]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF2</td>
+     * <td>[pf2]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF3</td>
+     * <td>[pf3]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF4</td>
+     * <td>[pf4]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF5</td>
+     * <td>[pf5]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF6</td>
+     * <td>[pf6]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF7</td>
+     * <td>[pf7]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF8</td>
+     * <td>[pf8]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF9</td>
+     * <td>[pf9]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF10</td>
+     * <td>[pf10]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF11</td>
+     * <td>[pf11]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF12</td>
+     * <td>[pf12]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF13</td>
+     * <td>[pf13]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF14</td>
+     * <td>[pf14]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF15</td>
+     * <td>[pf15]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF16</td>
+     * <td>[pf16]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF17</td>
+     * <td>[pf17]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF18</td>
+     * <td>[pf18]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF19</td>
+     * <td>[pf19]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF20</td>
+     * <td>[pf20]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF21</td>
+     * <td>[pf21]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF22</td>
+     * <td>[pf22]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF23</td>
+     * <td>[pf23]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PF24</td>
+     * <td>[pf24]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_BACK_SPACE</td>
+     * <td>[backspace]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_BACK_TAB</td>
+     * <td>[backtab]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_UP</td>
+     * <td>[up]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_DOWN</td>
+     * <td>[down]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_LEFT</td>
+     * <td>[left]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_RIGHT</td>
+     * <td>[right]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_DELETE</td>
+     * <td>[delete]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_TAB</td>
+     * <td>"[tab]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_END_OF_FIELD</td>
+     * <td>[eof]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_ERASE_EOF</td>
+     * <td>[eraseeof]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_ERASE_FIELD</td>
+     * <td>[erasefld]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_INSERT</td>
+     * <td>[insert]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_HOME</td>
+     * <td>[home]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD0</td>
+     * <td>[keypad0]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD1</td>
+     * <td>[keypad1]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD2</td>
+     * <td>[keypad2]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD3</td>
+     * <td>[keypad3]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD4</td>
+     * <td>[keypad4]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD5</td>
+     * <td>[keypad5]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD6</td>
+     * <td>[keypad6]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD7</td>
+     * <td>[keypad7]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD8</td>
+     * <td>[keypad8]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD9</td>
+     * <td>[keypad9]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD_PERIOD</td>
+     * <td>[keypad.]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD_COMMA</td>
+     * <td>[keypad,]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_KEYPAD_MINUS</td>
+     * <td>[keypad-]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_FIELD_EXIT</td>
+     * <td>[fldext]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_FIELD_PLUS</td>
+     * <td>[field+]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_FIELD_MINUS</td>
+     * <td>[field-]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_BEGIN_OF_FIELD</td>
+     * <td>[bof]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PA1</td>
+     * <td>[pa1]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PA2</td>
+     * <td>[pa2]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_PA3</td>
+     * <td>[pa3]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_SYSREQ</td>
+     * <td>[sysreq]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_RESET</td>
+     * <td>[reset]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_ATTN</td>
+     * <td>[attn]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_MARK_LEFT</td>
+     * <td>[markleft]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_MARK_RIGHT</td>
+     * <td>[markright]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_MARK_UP</td>
+     * <td>[markup]</td>
+     * </tr>
+     * <tr>
+     * <td>MNEMONIC_MARK_DOWN</td>
+     * <td>[markdown]</td>
+     * </tr>
+     *
+     * </table>
+     *
+     * @param text
+     *            The string of characters to be sent
+     *
+     * @see #sendAid
+     *
+     * Added synchronized to fix a StringOutOfBounds error - Luc Gorren LDC
+     */
+    public synchronized void sendKeys(String text) {
+
+        //      if (text == null) {
+        //         return;
+        //      }
+        this.keybuf.append(text);
+
+        if (isStatusErrorCode() && !resetRequired) {
+            setCursorActive(false);
+            simulateMnemonic(getMnemonicValue("[reset]"));
+            setCursorActive(true);
+        }
+
+        if (oia.isKeyBoardLocked()) {
+            if (text.equals("[reset]") || text.equals("[sysreq]")
+                    || text.equals("[attn]")) {
+                setCursorActive(false);
+                simulateMnemonic(getMnemonicValue(text));
+                setCursorActive(true);
+
+            } else {
+                if (isStatusErrorCode()) {
+                    sessionVT.signalBell();
+                    return;
+                }
+
+                oia.setKeysBuffered(true);
+
+                if (bufferedKeys == null) {
+                    bufferedKeys = text;
+                    return;
+                }
+                bufferedKeys += text;
+                return;
+            }
+
+        } else {
+
+            if (oia.isKeysBuffered()) {
+                if (bufferedKeys != null) {
+                    text = bufferedKeys + text;
+                }
+                //            if (text.length() == 0) {
+                oia.setKeysBuffered(false);
+                //            }
+                bufferedKeys = null;
+
+            }
+            // check to see if position is in a field and if it is then change
+            //   current field to that field
+            isInField(lastPos, true);
+            if (text.length() == 1 && !text.equals("[") && !text.equals("]")) {
+                //               setCursorOff2();
+                setCursorActive(false);
+                simulateKeyStroke(text.charAt(0));
+                setCursorActive(true);
+                //               setCursorOn2();
+                //                     System.out.println(" text one");
+
+            } else {
+
+                strokenizer.setKeyStrokes(text);
+                String s;
+                boolean done = false;
+
+                //            setCursorOff2();
+                setCursorActive(false);
+                while (!done) {
+                    //            while (strokenizer.hasMoreKeyStrokes() && !keyboardLocked
+                    // &&
+                    //                        !isStatusErrorCode() && !done) {
+                    if (strokenizer.hasMoreKeyStrokes()) {
+
+                        // check to see if position is in a field and if it is
+                        // then change
+                        //   current field to that field
+                        isInField(lastPos, true);
+                        s = strokenizer.nextKeyStroke();
+                        if (s.length() == 1) {
+                            //                  setCursorOn();
+                            //                  if (!keysBuffered) {
+                            //                     System.out.println(" s two" + s);
+                            //                     setCursorOn();
+                            //                  }
+
+                            //                  try { new Thread().sleep(400);} catch
+                            // (InterruptedException ie) {}
+                            simulateKeyStroke(s.charAt(0));
+                            //                     System.out.println(" s two " + s + " " +
+                            // cursorActive);
+                            //                  if (cursorActive && !keysBuffered) {
+                            //                     System.out.println(" s two" + s);
+                            //                     setCursorOn();
+                            //                  }
+                        } else {
+                            simulateMnemonic(getMnemonicValue(s));
+                            //                  if (!cursorActive && !keysBuffered) {
+                            //                     System.out.println(" m one");
+                            //                     setCursorOn();
+                            //                  }
+                        }
+
+                        if (oia.isKeyBoardLocked()) {
+
+                            bufferedKeys = strokenizer
+                            .getUnprocessedKeyStroked();
+                            if (bufferedKeys != null) {
+                                oia.setKeysBuffered(true);
+
+                            }
+                            done = true;
+                        }
+
+                    }
+
+                    else {
+                        //                  setCursorActive(true);
+                        //                  setCursorOn();
+                        done = true;
+                    }
+                }
+                setCursorActive(true);
+            }
+        }
+    }
+
+    /**
+     * The sendAid method sends an "aid" keystroke to the virtual screen. These
+     * aid keys can be thought of as special keystrokes, like the Enter key,
+     * PF1-24 keys or the Page Up key. All the valid special key values are
+     * contained in the AID_ enumeration:
+     *
+     * @param aidKey
+     *            The aid key to be sent to the host
+     *
+     * @see #sendKeys
+     * @see TN5250jConstants#AID_CLEAR
+     * @see #AID_ENTER
+     * @see #AID_HELP
+     * @see #AID_ROLL_UP
+     * @see #AID_ROLL_DOWN
+     * @see #AID_ROLL_LEFT
+     * @see #AID_ROLL_RIGHT
+     * @see #AID_PRINT
+     * @see #AID_PF1
+     * @see #AID_PF2
+     * @see #AID_PF3
+     * @see #AID_PF4
+     * @see #AID_PF5
+     * @see #AID_PF6
+     * @see #AID_PF7
+     * @see #AID_PF8
+     * @see #AID_PF9
+     * @see #AID_PF10
+     * @see #AID_PF11
+     * @see #AID_PF12
+     * @see #AID_PF13
+     * @see #AID_PF14
+     * @see #AID_PF15
+     * @see #AID_PF16
+     * @see #AID_PF17
+     * @see #AID_PF18
+     * @see #AID_PF19
+     * @see #AID_PF20
+     * @see #AID_PF21
+     * @see #AID_PF22
+     * @see #AID_PF23
+     * @see #AID_PF24
+     */
+    public void sendAid(int aidKey) {
+
+        sessionVT.sendAidKey(aidKey);
+    }
+
+    /**
+     * Restores the error line and sets the error mode off.
+     *
+     */
+    protected void resetError() {
+
+        restoreErrorLine();
+        setStatus(STATUS_ERROR_CODE, STATUS_VALUE_OFF, "");
+
+    }
+
+    protected boolean simulateMnemonic(int mnem) {
+
+        boolean simulated = false;
+
+        switch (mnem) {
+
+        case AID_CLEAR:
+        case AID_ENTER:
+        case AID_PF1:
+        case AID_PF2:
+        case AID_PF3:
+        case AID_PF4:
+        case AID_PF5:
+        case AID_PF6:
+        case AID_PF7:
+        case AID_PF8:
+        case AID_PF9:
+        case AID_PF10:
+        case AID_PF11:
+        case AID_PF12:
+        case AID_PF13:
+        case AID_PF14:
+        case AID_PF15:
+        case AID_PF16:
+        case AID_PF17:
+        case AID_PF18:
+        case AID_PF19:
+        case AID_PF20:
+        case AID_PF21:
+        case AID_PF22:
+        case AID_PF23:
+        case AID_PF24:
+        case AID_ROLL_DOWN:
+        case AID_ROLL_UP:
+        case AID_ROLL_LEFT:
+        case AID_ROLL_RIGHT:
+
+            if (!screenFields.isCanSendAid()) {
+                displayError(ERR_ENTER_NO_ALLOWED);
+            } else
+                sendAid(mnem);
+            simulated = true;
+
+            break;
+        case AID_HELP:
+            sessionVT.sendHelpRequest();
+            simulated = true;
+            break;
+
+        case AID_PRINT:
+            sessionVT.hostPrint(1);
+            simulated = true;
+            break;
+
+        case BACK_SPACE:
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+
+                if (screenFields.getCurrentField().startPos() == lastPos) {
+                    if (backspaceError)
+                        displayError(ERR_CURSOR_PROTECTED);
+                    else {
+                        gotoFieldPrev();
+                        goto_XY(screenFields.getCurrentField().endPos());
+                        updateDirty();
+                    }
+                }
+                else {
+                    screenFields.getCurrentField().getKeyPos(lastPos);
+                    screenFields.getCurrentField().changePos(-1);
+                    resetDirty(screenFields.getCurrentField().getCurrentPos());
+                    shiftLeft(screenFields.getCurrentField().getCurrentPos());
+                    updateDirty();
+                    screenFields.setCurrentFieldMDT();
+
+                    simulated = true;
+                }
+            } else {
+                displayError(ERR_CURSOR_PROTECTED);
+
+            }
+            break;
+        case BACK_TAB:
+
+            if (screenFields.getCurrentField() != null
+                    && screenFields.isCurrentFieldHighlightedEntry()) {
+                resetDirty(screenFields.getCurrentField().startPos);
+                gotoFieldPrev();
+                updateDirty();
+            } else
+                gotoFieldPrev();
+
+            if (screenFields.isCurrentFieldContinued()) {
+                do {
+                    gotoFieldPrev();
+                } while (screenFields.isCurrentFieldContinuedMiddle()
+                        || screenFields.isCurrentFieldContinuedLast());
+            }
+            isInField(lastPos);
+            simulated = true;
+            break;
+        case UP:
+        case MARK_UP:
+            process_XY(lastPos - numCols);
+            simulated = true;
+            break;
+        case DOWN:
+        case MARK_DOWN:
+            process_XY(lastPos + numCols);
+            simulated = true;
+            break;
+        case LEFT:
+        case MARK_LEFT:
+            process_XY(lastPos - 1);
+            simulated = true;
+            break;
+        case RIGHT:
+        case MARK_RIGHT:
+            process_XY(lastPos + 1);
+            simulated = true;
+            break;
+        case NEXTWORD:
+            gotoNextWord();
+            simulated = true;
+            break;
+        case PREVWORD:
+            gotoPrevWord();
+            simulated = true;
+            break;
+        case DELETE:
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+
+                resetDirty(lastPos);
+                screenFields.getCurrentField().getKeyPos(lastPos);
+                shiftLeft(screenFields.getCurrentFieldPos());
+                screenFields.setCurrentFieldMDT();
+                updateDirty();
+                simulated = true;
+            } else {
+                displayError(ERR_CURSOR_PROTECTED);
+            }
+
+            break;
+        case TAB:
+
+            if (screenFields.getCurrentField() != null
+                    && !screenFields.isCurrentFieldContinued()) {
+                if (screenFields.isCurrentFieldHighlightedEntry()) {
+                    resetDirty(screenFields.getCurrentField().startPos);
+                    gotoFieldNext();
+                    updateDirty();
+                } else
+                    gotoFieldNext();
+            } else {
+                do {
+                    gotoFieldNext();
+                } while (screenFields.getCurrentField() != null
+                        && (screenFields.isCurrentFieldContinuedMiddle() || screenFields
+                                .isCurrentFieldContinuedLast()));
+            }
+
+            isInField(lastPos);
+            simulated = true;
+
+            break;
+        case EOF:
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+                int where = endOfField(screenFields.getCurrentField()
+                        .startPos(), true);
+                if (where > 0) {
+                    setCursor((where / numCols) + 1, (where % numCols) + 1);
+                }
+                simulated = true;
+            } else {
+                displayError(ERR_CURSOR_PROTECTED);
+            }
+            resetDirty(lastPos);
+
+            break;
+        case ERASE_EOF:
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+
+                int where = lastPos;
+                resetDirty(lastPos);
+                if (fieldExit()) {
+                    screenFields.setCurrentFieldMDT();
+                    if (!screenFields.isCurrentFieldContinued()) {
+                        gotoFieldNext();
+                    } else {
+                        do {
+                            gotoFieldNext();
+                            if (screenFields.isCurrentFieldContinued())
+                                fieldExit();
+                        } while (screenFields.isCurrentFieldContinuedMiddle()
+                                || screenFields.isCurrentFieldContinuedLast());
+                    }
+                }
+                updateDirty();
+                goto_XY(where);
+                simulated = true;
+
+            } else {
+                displayError(ERR_CURSOR_PROTECTED);
+            }
+
+            break;
+        case ERASE_FIELD:
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+
+                int where = lastPos;
+                lastPos = screenFields.getCurrentField().startPos();
+                resetDirty(lastPos);
+                if (fieldExit()) {
+                    screenFields.setCurrentFieldMDT();
+                    if (!screenFields.isCurrentFieldContinued()) {
+                        gotoFieldNext();
+                    } else {
+                        do {
+                            gotoFieldNext();
+                            if (screenFields.isCurrentFieldContinued())
+                                fieldExit();
+                        } while (screenFields.isCurrentFieldContinuedMiddle()
+                                || screenFields.isCurrentFieldContinuedLast());
+                    }
+                }
+                updateDirty();
+                goto_XY(where);
+                simulated = true;
+
+            } else {
+                displayError(ERR_CURSOR_PROTECTED);
+            }
+
+            break;
+        case INSERT:
+            // we toggle it
+            oia.setInsertMode(oia.isInsertMode() ? false : true);
+            break;
+        case HOME:
+            // position to the home position set
+            if (lastPos + numCols + 1 != homePos) {
+                goto_XY(homePos - numCols - 1);
+                // now check if we are in a field
+                isInField(lastPos);
+            } else
+                gotoField(1);
+            break;
+        case KEYPAD_0:
+            simulated = simulateKeyStroke('0');
+            break;
+        case KEYPAD_1:
+            simulated = simulateKeyStroke('1');
+            break;
+        case KEYPAD_2:
+            simulated = simulateKeyStroke('2');
+            break;
+        case KEYPAD_3:
+            simulated = simulateKeyStroke('3');
+            break;
+        case KEYPAD_4:
+            simulated = simulateKeyStroke('4');
+            break;
+        case KEYPAD_5:
+            simulated = simulateKeyStroke('5');
+            break;
+        case KEYPAD_6:
+            simulated = simulateKeyStroke('6');
+            break;
+        case KEYPAD_7:
+            simulated = simulateKeyStroke('7');
+            break;
+        case KEYPAD_8:
+            simulated = simulateKeyStroke('8');
+            break;
+        case KEYPAD_9:
+            simulated = simulateKeyStroke('9');
+            break;
+        case KEYPAD_PERIOD:
+            simulated = simulateKeyStroke('.');
+            break;
+        case KEYPAD_COMMA:
+            simulated = simulateKeyStroke(',');
+            break;
+        case KEYPAD_MINUS:
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+
+                int s = screenFields.getCurrentField().getFieldShift();
+                if (s == 3 || s == 5 || s == 7) {
+                    planes.setChar(lastPos,'-');
+
+                    resetDirty(lastPos);
+                    advancePos();
+                    if (fieldExit()) {
+                        screenFields.setCurrentFieldMDT();
+                        if (!screenFields.isCurrentFieldContinued()) {
+                            gotoFieldNext();
+                        } else {
+                            do {
+                                gotoFieldNext();
+                            } while (screenFields
+                                    .isCurrentFieldContinuedMiddle()
+                                    || screenFields
+                                    .isCurrentFieldContinuedLast());
+                        }
+                        simulated = true;
+                        updateDirty();
+                        if (screenFields.isCurrentFieldAutoEnter())
+                            sendAid(AID_ENTER);
+
+                    }
+                } else {
+                    displayError(ERR_FIELD_MINUS);
+
+                }
+            } else {
+                displayError(ERR_CURSOR_PROTECTED);
+            }
+
+            break;
+        case FIELD_EXIT:
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+
+                resetDirty(lastPos);
+
+                boolean autoFE = screenFields.isCurrentFieldAutoEnter();
+
+                if (fieldExit()) {
+                    screenFields.setCurrentFieldMDT();
+                    if (!screenFields.isCurrentFieldContinued() &&
+                            !screenFields.isCurrentFieldAutoEnter()) {
+                        gotoFieldNext();
+                    } else {
+                        do {
+                            gotoFieldNext();
+                            if (screenFields.isCurrentFieldContinued())
+                                fieldExit();
+                        } while (screenFields.isCurrentFieldContinuedMiddle()
+                                || screenFields.isCurrentFieldContinuedLast());
+                    }
+                }
+
+                updateDirty();
+                simulated = true;
+                if (autoFE)
+                    sendAid(AID_ENTER);
+
+            } else {
+                displayError(ERR_CURSOR_PROTECTED);
+            }
+
+            break;
+        case FIELD_PLUS:
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+
+                resetDirty(lastPos);
+
+                boolean autoFE = screenFields.isCurrentFieldAutoEnter();
+                if (fieldExit()) {
+                    screenFields.setCurrentFieldMDT();
+                    if (!screenFields.isCurrentFieldContinued() &&
+                            !screenFields.isCurrentFieldAutoEnter()) {
+                        gotoFieldNext();
+                    } else {
+                        do {
+                            gotoFieldNext();
+                        } while (screenFields.isCurrentFieldContinuedMiddle()
+                                || screenFields.isCurrentFieldContinuedLast());
+                    }
+                }
+                updateDirty();
+                simulated = true;
+
+                if (autoFE)
+                    sendAid(AID_ENTER);
+
+            } else {
+                displayError(ERR_CURSOR_PROTECTED);
+            }
+
+            break;
+        case FIELD_MINUS:
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+
+                int s = screenFields.getCurrentField().getFieldShift();
+                if (s == 3 || s == 5 || s == 7) {
+                    planes.setChar(lastPos, '-');
+
+                    resetDirty(lastPos);
+                    advancePos();
+
+                    boolean autoFE = screenFields.isCurrentFieldAutoEnter();
+
+                    if (fieldExit()) {
+                        screenFields.setCurrentFieldMDT();
+                        if (!screenFields.isCurrentFieldContinued()
+                                && !screenFields.isCurrentFieldAutoEnter()) {
+                            gotoFieldNext();
+                        }
+                        else {
+                            do {
+                                gotoFieldNext();
+                            }
+                            while (screenFields.isCurrentFieldContinuedMiddle()
+                                    || screenFields.isCurrentFieldContinuedLast());
+                        }
+                    }
+                    updateDirty();
+                    simulated = true;
+                    if (autoFE)
+                        sendAid(AID_ENTER);
+
+                }
+                else {
+                    displayError(ERR_FIELD_MINUS);
+
+                }
+            }
+            else {
+                displayError(ERR_CURSOR_PROTECTED);
+            }
+
+            break;
+        case BOF:
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+                int where = screenFields.getCurrentField().startPos();
+                if (where > 0) {
+                    goto_XY(where);
+                }
+                simulated = true;
+            } else {
+                displayError(ERR_CURSOR_PROTECTED);
+            }
+            resetDirty(lastPos);
+
+            break;
+        case SYSREQ:
+            sessionVT.systemRequest();
+            simulated = true;
+            break;
+        case RESET:
+            if (isStatusErrorCode()) {
+                resetError();
+                isInField(lastPos);
+                updateDirty();
+            } else {
+                setPrehelpState(false, oia.isKeyBoardLocked(), false);
+            }
+            simulated = true;
+            break;
+        case ATTN:
+            sessionVT.sendAttentionKey();
+            simulated = true;
+            break;
+        case DUP_FIELD:
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+
+                if (screenFields.isCurrentFieldDupEnabled()) {
+                    resetDirty(lastPos);
+                    screenFields.getCurrentField().setFieldChar(lastPos,
+                            (char) 0x1C);
+                    screenFields.setCurrentFieldMDT();
+                    gotoFieldNext();
+                    updateDirty();
+                    simulated = true;
+                } else {
+                    displayError(ERR_DUP_KEY_NOT_ALLOWED);
+                }
+            } else {
+                displayError(ERR_CURSOR_PROTECTED);
+            }
+
+            break;
+        case NEW_LINE:
+            if (screenFields.getSize() > 0) {
+                int startRow = getRow(lastPos) + 1;
+                int startPos = lastPos;
+
+                if (startRow == getRows())
+                    startRow = 0;
+
+                setCursor(++startRow, 1);
+
+                if (!isInField() && screenFields.getCurrentField() != null
+                        && !screenFields.isCurrentFieldBypassField()) {
+                    while (!isInField()
+                            && screenFields.getCurrentField() != null
+                            && !screenFields.isCurrentFieldBypassField()) {
+
+                        // lets keep going
+                        advancePos();
+
+                        // Have we looped the screen?
+                        if (lastPos == startPos) {
+                            // if so then go back to starting point
+                            goto_XY(startPos);
+                            break;
+                        }
+                    }
+                }
+            }
+            simulated = true;
+            break;
+        case FAST_CURSOR_DOWN:
+            int rowNow = (getCurrentRow()-1) + 3;
+            if (rowNow > getRows()-1)
+                rowNow = rowNow - getRows();
+            this.goto_XY(getPos(rowNow,getCurrentCol()-1));
+            simulated = true;
+            break;
+        case FAST_CURSOR_UP:
+            rowNow = (getCurrentRow()-1) - 3;
+            if (rowNow < 0)
+                rowNow = (getRows()) + rowNow;
+            this.goto_XY(getPos(rowNow,getCurrentCol()-1));
+            simulated = true;
+            break;
+        case FAST_CURSOR_LEFT:
+            int colNow = (getCurrentCol()-1) - 3;
+            rowNow = getCurrentRow()-1;
+            if (colNow <= 0) {
+                colNow = getColumns() + colNow;
+                rowNow--;
+            }
+            if (rowNow < 0)
+                rowNow = getRows() - 1;
+
+            process_XY(getPos(rowNow,colNow));
+            simulated = true;
+            break;
+        case FAST_CURSOR_RIGHT:
+            colNow = (getCurrentCol()-1) + 3;
+            rowNow = getCurrentRow()-1;
+            if (colNow >= getColumns()) {
+                colNow = colNow - getColumns();
+                rowNow++;
+            }
+            if (rowNow > getRows() - 1)
+                rowNow = getRows() - rowNow;
+
+            process_XY(getPos(rowNow,colNow));
+            simulated = true;
+            break;
+        default:
+            Log.i(TAG," Mnemonic not supported " + mnem);
+            break;
+
+        }
+
+        return simulated;
+    }
+
+    protected boolean simulateKeyStroke(char c) {
+
+        if (isStatusErrorCode() && !Character.isISOControl(c) && !keyProcessed) {
+            if (resetRequired) return false;
+            resetError();
+        }
+
+        boolean updateField = false;
+        boolean numericError = false;
+        boolean updatePos = false;
+        boolean autoEnter = false;
+
+        if (!Character.isISOControl(c)) {
+
+            if (screenFields.getCurrentField() != null
+                    && screenFields.withinCurrentField(lastPos)
+                    && !screenFields.isCurrentFieldBypassField()) {
+
+                if (screenFields.isCurrentFieldFER()
+                        && !screenFields.withinCurrentField(screenFields
+                                .getCurrentFieldPos())
+                                && lastPos == screenFields.getCurrentField().endPos()
+                                && screenFields.getCurrentFieldPos() > screenFields
+                                .getCurrentField().endPos()) {
+
+                    displayError(ERR_FIELD_EXIT_INVALID);
+                    feError = true;
+                    return false;
+                }
+
+                switch (screenFields.getCurrentFieldShift()) {
+                case 0: // Alpha shift
+                case 2: // Numeric Shift
+                case 4: // Kakana Shift
+                    updateField = true;
+                    break;
+                case 1: // Alpha Only
+                    if (Character.isLetter(c) || c == ',' || c == '-'
+                        || c == '.' || c == ' ')
+                        updateField = true;
+                    break;
+                case 3: // Numeric only
+                    if (Character.isDigit(c) || c == '+' || c == ','
+                        || c == '-' || c == '.' || c == ' ')
+                        updateField = true;
+                    else
+                        numericError = true;
+                    break;
+                case 5: // Digits only
+                    if (Character.isDigit(c))
+                        updateField = true;
+                    else
+                        displayError(ERR_NUMERIC_09);
+                    break;
+                case 7: // Signed numeric
+                    if (Character.isDigit(c) || c == '+' || c == '-')
+                        if (lastPos == screenFields.getCurrentField().endPos()
+                                && (c != '+' && c != '-'))
+                            displayError(ERR_INVALID_SIGN);
+                        else
+                            updateField = true;
+                    else
+                        displayError(ERR_NUMERIC_09);
+                    break;
+                }
+
+                if (updateField) {
+                    if (screenFields.isCurrentFieldToUpper())
+                        c = Character.toUpperCase(c);
+
+                    updatePos = true;
+                    resetDirty(lastPos);
+
+                    if (oia.isInsertMode()) {
+                        if (endOfField(false) != screenFields.getCurrentField()
+                                .endPos())
+                            shiftRight(lastPos);
+                        else {
+
+                            displayError(ERR_NO_ROOM_INSERT);
+                            updatePos = false;
+                        }
+
+                    }
+
+                    if (updatePos) {
+                        screenFields.getCurrentField().getKeyPos(
+                                getRow(lastPos), getCol(lastPos));
+                        screenFields.getCurrentField().changePos(1);
+
+                        planes.setChar(lastPos,c);
+
+                        screenFields.setCurrentFieldMDT();
+
+                        // if we have gone passed the end of the field then goto
+                        // the next field
+                        if (!screenFields.withinCurrentField(screenFields
+                                .getCurrentFieldPos())) {
+                            if (screenFields.isCurrentFieldAutoEnter()) {
+                                autoEnter = true;
+                            } else if (!screenFields.isCurrentFieldFER())
+                                gotoFieldNext();
+                            else {
+                                //                        screenFields.getCurrentField().changePos(1);
+                                //
+                                //                        if (screenFields.
+                                //                        cursorPos == endPos)
+                                //                           System.out.println("end of field");
+                                //
+                                //                        feError != feError;
+                                //                        if (feError)
+                                //                           displayError(ERR_FIELD_EXIT_INVALID);
+                            }
+
+                        } else
+                            setCursor(screenFields.getCurrentField()
+                                    .getCursorRow() + 1, screenFields
+                                    .getCurrentField().getCursorCol() + 1);
+
+                    }
+
+                    fireScreenChanged();
+
+                    if (autoEnter)
+                        sendAid(AID_ENTER);
+                } else {
+                    if (numericError) {
+                        displayError(ERR_NUMERIC_ONLY);
+                    }
+                }
+            } else {
+                displayError(ERR_CURSOR_PROTECTED);
+            }
+
+        }
+        return updatePos;
+    }
+
+    /**
+     * Method: endOfField
+     * <p>
+     *
+     * convenience method that call endOfField with lastRow lastCol and passes
+     * the posSpace to that method
+     *
+     * @param posSpace
+     *            value of type boolean - specifying to return the position of
+     *            the the last space or not
+     * @return a value of type int - the screen postion (row * columns) + col
+     *
+     */
+    private int endOfField(boolean posSpace) {
+        return endOfField(lastPos, posSpace);
+    }
+
+    /**
+     * Method: endOfField
+     * <p>
+     *
+     * gets the position of the last character of the current field posSpace
+     * parameter tells the routine whether to return the position of the last
+     * space ( <= ' ') or the last non space posSpace == true last occurrence of
+     * char <= ' ' posSpace == false last occurrence of char > ' '
+     *
+     * @param pos
+     *            value of type int - position to start from
+     * @param posSpace
+     *            value of type boolean - specifying to return the position of
+     *            the the last space or not
+     * @return a value of type int - the screen postion (row * columns) + col
+     *
+     */
+    private int endOfField(int pos, boolean posSpace) {
+
+        int endPos = screenFields.getCurrentField().endPos();
+        int fePos = endPos;
+        // get the number of characters to the right
+        int count = endPos - pos;
+
+        // first lets get the real ending point without spaces and the such
+        while (planes.getChar(endPos) <= ' ' && count-- > 0) {
+
+            endPos--;
+        }
+
+        if (endPos == fePos) {
+
+            return endPos;
+
+        }
+        screenFields.getCurrentField().getKeyPos(endPos);
+        if (posSpace) screenFields.getCurrentField().changePos(+1);
+        return screenFields.getCurrentFieldPos();
+
+    }
+
+    private boolean fieldExit() {
+
+        int pos = lastPos;
+        boolean mdt = false;
+        int end = endOfField(false); // get the ending position of the first
+        // non blank character in field
+
+        ScreenField sf = screenFields.getCurrentField();
+
+        if (sf.isMandatoryEnter() && end == sf.startPos()) {
+            displayError(ERR_MANDITORY_ENTER);
+            return false;
+        }
+
+        // save off the current pos of the field for checking field exit required
+        //   positioning.  the getKeyPos resets this information so it is useless
+        //   for comparing if we are positioned passed the end of field.
+        //   Maybe this should be changed to not update the current cursor position
+        //   of the field.
+        int currentPos = sf.getCurrentPos();
+
+        // get the number of characters to the right
+        int count = (end - sf.startPos()) - sf.getKeyPos(pos);
+
+        if (count == 0 && sf.isFER()) {
+            if (currentPos > sf.endPos()) {
+                mdt = true;
+                return mdt;
+            }
+        }
+
+        for (; count >= 0; count--) {
+            planes.setChar(pos, initChar);
+            setDirty(pos);
+            pos++;
+            mdt = true;
+        }
+
+        // This checks for a field minus because a field minus places
+        // a negative sign and then advances a position. If it is the
+        // end of the field where the minus is placed then this offset will
+        //  place the count as -1.
+        if (count == -1) {
+            int s = sf.getFieldShift();
+            if (s == 3 || s == 5 || s == 7) {
+                mdt = true;
+            }
+        }
+
+        int adj = sf.getAdjustment();
+
+        if (adj != 0) {
+
+            switch (adj) {
+
+            case 5:
+                rightAdjustField('0');
+                sf.setRightAdjusted();
+                break;
+            case 6:
+                rightAdjustField(' ');
+                sf.setRightAdjusted();
+
+                break;
+            case 7:
+                sf.setManditoryEntered();
+                break;
+
+            }
+        }
+        else {
+
+            // we need to right adjust signed numeric fields as well.
+            if (sf.isSignedNumeric()) {
+                rightAdjustField(' ');
+            }
+        }
+
+        return mdt;
+    }
+
+    private void rightAdjustField(char fill) {
+
+        int end = endOfField(false); // get the ending position of the first
+        // non blank character in field
+
+        // get the number of characters to the right
+        int count = screenFields.getCurrentField().endPos() - end;
+
+        // subtract 1 from count for signed numeric - note for later
+        if (screenFields.getCurrentField().isSignedNumeric()) {
+            if (planes.getChar(end -1) != '-')
+                count--;
+        }
+
+        int pos = screenFields.getCurrentField().startPos();
+
+        while (count-- >= 0) {
+
+            shiftRight(pos);
+            planes.setChar(pos,fill);
+
+            setDirty(pos);
+
+        }
+
+    }
+
+    private void shiftLeft(int sPos) {
+
+        int endPos = 0;
+
+        int pos = sPos;
+        int pPos = sPos;
+
+        ScreenField sf = screenFields.getCurrentField();
+        int end;
+        int count;
+        do {
+            end = endOfField(pPos, false); // get the ending position of the
+            // first
+            // non blank character in field
+
+            count = (end - screenFields.getCurrentField().startPos())
+            - screenFields.getCurrentField().getKeyPos(pPos);
+
+            // now we loop through and shift the remaining characters to the
+            // left
+            while (count-- > 0) {
+                pos++;
+                planes.setChar(pPos,planes.getChar(pos));
+                setDirty(pPos);
+                pPos = pos;
+
+            }
+
+            if (screenFields.isCurrentFieldContinued()) {
+                gotoFieldNext();
+                if (screenFields.getCurrentField().isContinuedFirst())
+                    break;
+
+                pos = screenFields.getCurrentField().startPos();
+                planes.setChar(pPos,planes.getChar(pos));
+                setDirty(pPos);
+
+                pPos = pos;
+
+            }
+        } while (screenFields.isCurrentFieldContinued()
+                && !screenFields.getCurrentField().isContinuedFirst());
+
+        if (end >= 0 && count >= -1) {
+
+            endPos = end;
+        } else {
+            endPos = sPos;
+
+        }
+
+        screenFields.setCurrentField(sf);
+        planes.setChar(endPos,initChar);
+        setDirty(endPos);
+        goto_XY(screenFields.getCurrentFieldPos());
+        sf = null;
+
+    }
+
+    private void shiftRight(int sPos) {
+
+        int end = endOfField(true); // get the ending position of the first
+        // non blank character in field
+        int pos = end;
+        int pPos = end;
+
+        int count = end - sPos;
+
+        // now we loop through and shift the remaining characters to the right
+        while (count-- > 0) {
+
+            pos--;
+            planes.setChar(pPos, planes.getChar(pos));
+            setDirty(pPos);
+
+            pPos = pos;
+        }
+    }
+
+    public int getRow(int pos) {
+
+        //      if (pos == 0)
+        //         return 1;
+
+        int row = pos / numCols;
+
+        if (row < 0) {
+
+            row = lastPos / numCols;
+        }
+        if (row > (lenScreen / numCols) - 1)
+            row = (lenScreen / numCols) - 1;
+
+        return row;
+
+    }
+
+    public int getCol(int pos) {
+        int col = pos % (getColumns());
+        if (col > 0) return col;
+        return 0;
+    }
+
+    /**
+     * This routine is 0 based offset. So to get row 20,1 then pass row 19,0
+     *
+     * @param row
+     * @param col
+     * @return
+     */
+    public int getPos(int row, int col) {
+
+        return (row * numCols) + col;
+    }
+
+    /**
+     * Current position is based on offsets of 1,1 not 0,0 of the current
+     * position of the screen
+     *
+     * @return int
+     */
+    public int getCurrentPos() {
+
+        //      return lastPos + numCols + 1;
+        return lastPos + 1;
+
+    }
+
+    /**
+     * I got this information from a tcp trace of each error. I could not find
+     * any documenation for this. Maybe there is but I could not find it. If
+     * anybody finds this documention could you please send me a copy. Please
+     * note that I did not look that hard either.
+     * <p>
+     * 0000: 00 50 73 1D 89 81 00 50 DA 44 C8 45 08 00 45 00 .Ps....P.D.E..E.
+     * </p>
+     * <p>
+     * 0010: 00 36 E9 1C 40 00 80 06 9B F9 C1 A8 33 58 C0 A8 .6..@...k....3X..
+     * </p>
+     * <p>
+     * 0020: C0 02 06 0E 00 17 00 52 6E 88 73 40 DE CB 50 18 .......Rn.s@..P.
+     * </p>
+     * <p>
+     * 0030: 20 12 3C 53 00 00 00 0C 12 A0 00 00 04 01 00 00 . <S............
+     * </p>
+     * <p>
+     * 0040: 00 05 FF EF .... ----------|| The 00 XX is the code to be sent. I
+     * found the following <table BORDER COLS=2 WIDTH="50%" >
+     * <tr>
+     * <td>ERR_CURSOR_PROTECTED</td>
+     * <td>0x05</td>
+     * </tr>
+     * <tr>
+     * <td>ERR_INVALID_SIGN</td>
+     * <td>0x11</td>
+     * </tr>
+     * <tr>
+     * <td>ERR_NO_ROOM_INSERT</td>
+     * <td>0x12</td>
+     * </tr>
+     * <tr>
+     * <td>ERR_NUMERIC_ONLY</td>
+     * <td>0x09</td>
+     * </tr>
+     * <tr>
+     * <td>ERR_NUMERIC_09</td>
+     * <td>0x10</td>
+     * </tr>
+     * <tr>
+     * <td>ERR_FIELD_MINUS</td>
+     * <td>0x16</td>
+     * </tr>
+     * <tr>
+     * <td>ERR_ENTER_NOT_ALLOWED</td>
+     * <td>0x20</td>
+     * </tr>
+     * <tr>
+     * <td>ERR_MANDITORY_ENTER</td>
+     * <td>0x21</td>
+     * </tr>
+     * <tr>
+     * <td>ERR_ENTER_NOT_ALLOWED</td>
+     * <td>0x20</td>
+     * </tr>
+     * </table> I am tired of typing and they should be self explanitory. Finding
+     * them in the first place was the pain.
+     * </p>
+     *
+     * @param ec error code
+     */
+    private void displayError(int ec) {
+        saveHomePos = homePos;
+        homePos = lastPos + numCols + 1;
+        pendingInsert = true;
+        sessionVT.sendNegResponse2(ec);
+
+    }
+
+    private void process_XY(int pos) {
+
+        if (pos < 0)
+            pos = lenScreen + pos;
+        if (pos > lenScreen - 1)
+            pos = pos - lenScreen;
+
+        // if there was a field exit error then we need to treat the movement
+        //  of the cursor in a special way that equals that of Client Access.
+        //    If the cursor is moved from the field then we need to reset the
+        //       position within the field so that the last character can be typed
+        //       over again instead of sending the field exit error again.
+        //       We also need to reset the field exit error flag.
+        //
+        //    How we know we have a field exit error is when the field position is
+        //    set beyond the end of the field and a character is then typed we can
+        //    not position that character. To reset this we need to set the next
+        //    position of the field to not be beyond the end of field but to the
+        //    last character.
+        //
+        //    Now to make it work like Client Access if the cursor is a back space
+        //    then do not move the cursor but place it on the last field. All
+        //    other keys will reset the field position so that entering over the
+        //    last character will not cause an error but replace that character or
+        //    just plain move the cursor if the key was to do that.
+
+        ScreenField sf = screenFields.getCurrentField();
+        if (feError) {
+            feError = false;
+            sf.changePos(-1);
+        } else {
+            if (sf != null&& sf.isFER()){
+                if ((sf.getCurrentPos()
+                        > sf.endPos())) {
+                    if (sf.withinField(pos)) {
+                        sf.getKeyPos(pos);
+                        return;
+                    }
+                    sf.getKeyPos(sf.endPos());
+                }
+            }
+
+            goto_XY(pos);
+        }
+    }
+
+    public boolean isUsingGuiInterface() {
+
+        return guiInterface;
+    }
+
+    /**
+     * Convinience class to return if the cursor is in a field or not.
+     *
+     * @return true or false
+     */
+
+    protected boolean isInField() {
+
+        return isInField(lastPos, true);
+    }
+
+    /**
+     *
+     * Convinience class to return if the position that is passed is in a field
+     * or not. If it is then the chgToField parameter will change the current
+     * field to this field where the position indicates
+     *
+     * @param pos
+     * @param chgToField
+     * @return true or false
+     */
+    public boolean isInField(int pos, boolean chgToField) {
+
+        return screenFields.isInField(pos, chgToField);
+    }
+
+    /**
+     *
+     * Convinience class to return if the position that is passed is in a field
+     * or not. If it is then the field at this position becomes the current
+     * working field
+     *
+     * @param pos
+     * @return true or false
+     */
+    public boolean isInField(int pos) {
+
+        return screenFields.isInField(pos, true);
+    }
+
+    /**
+     * Convinience class to return if the position at row and column that is
+     * passed is in a field or not. If it is then the field at this position
+     * becomes the current working field.
+     *
+     * @param row
+     * @param col
+     * @return true or false
+     */
+    public boolean isInField(int row, int col) {
+
+        return isInField(row, col, true);
+    }
+
+    /**
+     *
+     * Convinience class to return if the position at row and column that is
+     * passed is in a field or not. If it is then the chgToField parameter will
+     * change the current field to this field where the row and column
+     * indicates.
+     *
+     * @param row
+     * @param col
+     * @param chgToField
+     * @return true or false
+     */
+    public boolean isInField(int row, int col, boolean chgToField) {
+        return screenFields.isInField((row * numCols) + col, chgToField);
+    }
+
+    /**
+     * Gets the length of the screen - number of rows times number of columns
+     *
+     * @return int value of screen length
+     */
+    public int getScreenLength() {
+
+        return lenScreen;
+    }
+
+    /**
+     * Get the number or rows available.
+     *
+     * @return number of rows
+     */
+    public int getRows() {
+
+        return numRows;
+
+    }
+
+    /**
+     * Get the number of columns available.
+     *
+     * @return number of columns
+     */
+    public int getColumns() {
+
+        return numCols;
+
+    }
+
+    /**
+     * Get the current row where the cursor is
+     *
+     * @return the cursor current row position 1,1 based
+     */
+    public int getCurrentRow() {
+
+        return (lastPos / numCols) + 1;
+
+    }
+
+    /**
+     * Get the current column where the cursor is
+     *
+     * @return the cursor current column position 1,1 based
+     */
+    public int getCurrentCol() {
+
+        return (lastPos % numCols) + 1;
+
+    }
+
+    /**
+     * The last position of the cursor on the screen - Note - position is based
+     * 0,0
+     *
+     * @return last position
+     */
+    protected int getLastPos() {
+
+        return lastPos;
+
+    }
+
+    /**
+     * Hotspot More... string
+     *
+     * @return string literal of More...
+     */
+    public StringBuffer getHSMore() {
+        return hsMore;
+    }
+
+    /**
+     * Hotspot Bottom string
+     *
+     * @return string literal of Bottom
+     */
+    public StringBuffer getHSBottom() {
+        return hsBottom;
+    }
+
+    /**
+     *
+     * Return the screen represented as a character array
+     *
+     * @return character array containing the text
+     */
+    public char[] getScreenAsChars() {
+        char[] sac = new char[lenScreen];
+        char c;
+
+        for (int x = 0; x < lenScreen; x++) {
+            c = planes.getChar(x);
+            // only draw printable characters (in this case >= ' ')
+            if ((c >= ' ') && (!planes.isAttributePlace(x))) {
+                sac[x] = c;
+                // TODO: implement the underline check here
+                //              if (screen[x].underLine && c <= ' ')
+                //                  sac[x] = '_';
+            } else
+                sac[x] = ' ';
+        }
+
+        return sac;
+    }
+
+    public char[] getData(int startRow, int startCol, int endRow, int endCol, int plane) {
+        try {
+            int from = getPos(startRow,startCol);
+            int to = getPos(endRow,endCol);
+            if (from > to) {
+
+                int f = from;
+                to = f;
+                from = f;
+            }
+            return planes.getPlaneData(from,to,plane);
+        }
+        catch (Exception oe) {
+            return null;
+        }
+
+    }
+
+    /**
+     * <p>
+     *  GetScreen retrieves the various planes associated with the presentation
+     *  space. The data is returned as a linear array of character values in the
+     *  array provided. The array is not terminated by a null character except
+     *  when data is retrieved from the text plane, in which case a single null
+     *  character is appended.
+     *  </p>
+     *  <p>
+     *  The application must supply a buffer for the returned data and the length
+     *  of the buffer. Data is returned starting from the beginning of the
+     *  presentation space and continuing until the buffer is full or the entire
+     *  plane has been copied. For text plane data, the buffer must include one
+     *  extra position for the terminating null character.
+     *  <p>
+     *
+     * @param buffer
+     * @param bufferLength
+     * @param plane
+     * @return The number of characters copied to the buffer
+     * @throws OhioException
+     */
+    public synchronized int GetScreen(char buffer[], int bufferLength, int plane)
+    //                                       throws OhioException {
+    {
+        return GetScreen(buffer,bufferLength,0,lenScreen,plane);
+
+    }
+
+    /**
+     * <p>
+     *  GetScreen retrieves the various planes associated with the presentation
+     *  space. The data is returned as a linear array of character values in the
+     *  array provided. The array is not terminated by a null character except
+     *  when data is retrieved from the text plane, in which case a single null
+     *  character is appended.
+     * </p>
+     * <p>
+     * The application must supply a buffer for the returned data and the length
+     * of the buffer. Data is returned starting from the given position and
+     * continuing until the specified number of characters have been copied, the
+     * buffer is full or the entire plane has been copied. For text plane data,
+     * the buffer must include one extra position for the terminating null character.
+     * </p>
+     *
+     * @param buffer
+     * @param bufferLength
+     * @param from
+     * @param length
+     * @param plane
+     * @return The number of characters copied to the buffer
+     * @throws OhioException
+     */
+    public synchronized int GetScreen(char buffer[], int bufferLength, int from,
+            int length, int plane)
+    //                                    throws OhioException {
+    {
+
+        return planes.GetScreen(buffer,bufferLength, from, length, plane);
+    }
+
+    /**
+     * <p>
+     *  GetScreen retrieves the various planes associated with the presentation
+     *  space. The data is returned as a linear array of character values in the
+     *  array provided. The array is not terminated by a null character except
+     *  when data is retrieved from the text plane, in which case a single null
+     *  character is appended.
+     *  </p>
+     *  <p>
+     *  The application must supply a buffer for the returned data and the length
+     *  of the buffer. Data is returned starting from the given coordinates and
+     *  continuing until the specified number of characters have been copied,
+     *  the buffer is full, or the entire plane has been copied. For text plane
+     *  data, the buffer must include one extra position for the terminating null
+     *  character.
+     *  </p>
+     *
+     * @param buffer
+     * @param bufferLength
+     * @param row
+     * @param col
+     * @param length
+     * @param plane
+     * @return The number of characters copied to the buffer.
+     * @throws OhioException
+     */
+    public synchronized int GetScreen(char buffer[], int bufferLength, int row,
+            int col, int length, int plane)
+    //                                       throws OhioException {
+    {
+        // Call GetScreen function after converting row and column to
+        // a position.
+        return planes.GetScreen(buffer,bufferLength, row, col, length, plane);
+    }
+
+    /**
+     * <p>
+     *  GetScreenRect retrieves data from the various planes associated with the
+     *  presentation space. The data is returned as a linear array of character
+     *  values in the buffer provided.
+     *  </p>
+     *
+     * <p>
+     * The application supplies two positions that represent opposing corners of
+     * a rectangle within the presentation space. The starting and ending
+     * positions can have any spatial relationship to each other. The data
+     * returned starts from the row containing the upper-most point to the row
+     * containing the lower-most point, and from the left-most column to the
+     * right-most column.
+     * </p>
+     * <p>
+     * The specified buffer must be at least large enough to contain the number
+     * of characters in the rectangle. If the buffer is too small, no data is
+     * copied and zero is returned by the method. Otherwise, the method returns
+     * the number of characters copied.
+     * </p>
+     *
+     * @param buffer
+     * @param bufferLength
+     * @param startPos
+     * @param endPos
+     * @param plane
+     * @return The number of characters copied to the buffer
+     * @throws OhioException
+     */
+    public synchronized int GetScreenRect(char buffer[], int bufferLength,
+            int startPos, int endPos, int plane)
+    //                                             throws OhioException {
+    {
+        return planes.GetScreenRect(buffer, bufferLength, startPos, endPos, plane);
+
+    }
+
+    /**
+     * <p>
+     *  GetScreenRect retrieves data from the various planes associated with the
+     *  presentation space. The data is returned as a linear array of character
+     *  values in the buffer provided. The buffer is not terminated by a null
+     *  character.
+     * </p>
+     * <p>
+     * The application supplies two coordinates that represent opposing corners
+     * of a rectangle within the presentation space. The starting and ending
+     * coordinates can have any spatial relationship to each other. The data
+     * returned starts from the row containing the upper-most point to the row
+     * containing the lower-most point, and from the left-most column to the
+     * right-most column.
+     * </p>
+     * <p>
+     * The specified buffer must be at least large enough to contain the number
+     * of characters in the rectangle. If the buffer is too small, no data is
+     * copied and zero is returned by the method. Otherwise, the method returns
+     * the number of characters copied.
+     * </p>
+     *
+     * @param buffer
+     * @param bufferLength
+     * @param startRow
+     * @param startCol
+     * @param endRow
+     * @param endCol
+     * @param plane
+     * @return The number characters copied to the buffer
+     * @throws OhioException
+     */
+    public synchronized int GetScreenRect(char buffer[], int bufferLength,
+            int startRow, int startCol,
+            int endRow, int endCol, int plane)
+    //                                             throws OhioException {
+    {
+
+        return planes.GetScreenRect(buffer, bufferLength, startRow, startCol, endRow,
+                endCol, plane);
+    }
+
+    public synchronized boolean[] getActiveAidKeys() {
+        return sessionVT.getActiveAidKeys();
+    }
+
+    protected synchronized void setScreenData(String text, int location) {
+        //                                             throws OhioException {
+
+        if (location < 0 || location > lenScreen) {
+            return;
+            //         throw new OhioException(sessionVT.getSessionConfiguration(),
+            //                      OhioScreen5250.class.getName(), "osohio.screen.ohio00300", 1);
+        }
+
+        int pos = location;
+
+        int l = text.length();
+        boolean updated = false;
+        boolean flag = false;
+        int x =0;
+        for (; x < l; x++) {
+            if (isInField(pos + x,true)) {
+                if (!screenFields.getCurrentField().isBypassField()) {
+                    if (!flag) {
+                        screenFields.getCurrentField().setMDT();
+                        updated = true;
+                        resetDirty(pos + x);
+                        screenFields.setMasterMDT();
+                        flag = true;
+                    }
+
+                    planes.screen[pos + x] = text.charAt(x);
+                    setDirty(pos + x);
+                }
+            }
+
+        }
+        lastPos = pos + x;
+        if (updated) {
+            fireScreenChanged();
+        }
+
+    }
+
+    /**
+     * This routine is based on offset 1,1 not 0,0 it will translate to offset
+     * 0,0 and call the goto_XY(int pos) it is mostly used from external classes
+     * that use the 1,1 offset
+     *
+     * @param row
+     * @param col
+     */
+    public void setCursor(int row, int col) {
+        goto_XY(((row - 1) * numCols) + (col - 1));
+    }
+
+    // this routine is based on offset 0,0 not 1,1
+    protected void goto_XY(int pos) {
+        //      setCursorOff();
+        updateCursorLoc();
+        lastPos = pos;
+        //      setCursorOn();
+        updateCursorLoc();
+    }
+
+    /**
+     * Set the current working field to the field number specified.
+     *
+     * @param f -
+     *            numeric field number on the screen
+     * @return true or false whether it was sucessful
+     */
+    public boolean gotoField(int f) {
+
+        int sizeFields = screenFields.getSize();
+
+        if (f > sizeFields || f <= 0)
+            return false;
+
+        screenFields.setCurrentField(screenFields.getField(f - 1));
+
+        while (screenFields.isCurrentFieldBypassField() && f < sizeFields) {
+
+            screenFields.setCurrentField(screenFields.getField(f++));
+
+        }
+        return gotoField(screenFields.getCurrentField());
+    }
+
+    /**
+     * Convenience method to set the field object passed as the currect working
+     * screen field
+     *
+     * @param f
+     * @return true or false whether it was sucessful
+     * @see org.tn5250j.ScreenField
+     */
+    protected boolean gotoField(ScreenField f) {
+        if (f != null) {
+            goto_XY(f.startPos());
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Convenience class to position the cursor to the next word on the screen
+     *
+     */
+    private void gotoNextWord() {
+
+        int pos = lastPos;
+
+        if (planes.getChar(lastPos) > ' ') {
+            advancePos();
+            // get the next space character
+            while (planes.getChar(lastPos) > ' ' && pos != lastPos) {
+                advancePos();
+            }
+        } else
+            advancePos();
+
+        // now that we are positioned on the next space character get the
+        // next none space character
+        while (planes.getChar(lastPos) <= ' ' && pos != lastPos) {
+            advancePos();
+        }
+
+    }
+
+    /**
+     * Convenience class to position the cursor to the previous word on the
+     * screen
+     *
+     */
+    private void gotoPrevWord() {
+
+        int pos = lastPos;
+
+        changePos(-1);
+
+        // position previous white space character
+        while (planes.getChar(lastPos) <= ' ') {
+            changePos(-1);
+            if (pos == lastPos)
+                break;
+        }
+
+        changePos(-1);
+        // get the previous space character
+        while (planes.getChar(lastPos) > ' ' && pos != lastPos) {
+            changePos(-1);
+        }
+
+        // and position one position more should give us the beginning of word
+        advancePos();
+
+    }
+
+    /**
+     * Convinience class to position to the next field on the screen.
+     *
+     * @see org.tn5250j.ScreenFields
+     */
+    private void gotoFieldNext() {
+
+        if (screenFields.isCurrentFieldHighlightedEntry())
+            unsetFieldHighlighted(screenFields.getCurrentField());
+
+        screenFields.gotoFieldNext();
+
+        if (screenFields.isCurrentFieldHighlightedEntry())
+            setFieldHighlighted(screenFields.getCurrentField());
+    }
+
+    /**
+     * Convinience class to position to the previous field on the screen.
+     *
+     * @see org.tn5250j.ScreenFields
+     */
+    private void gotoFieldPrev() {
+
+        if (screenFields.isCurrentFieldHighlightedEntry())
+            unsetFieldHighlighted(screenFields.getCurrentField());
+
+        screenFields.gotoFieldPrev();
+
+        if (screenFields.isCurrentFieldHighlightedEntry())
+            setFieldHighlighted(screenFields.getCurrentField());
+
+    }
+
+    /* *** NEVER USED LOCALLY ************************************************** */
+    //  /**
+    //   * Used to restrict the cursor to a particular position on the screen. Used
+    //   * in combination with windows to restrict the cursor to the active window
+    //   * show on the screen.
+    //   *
+    //   * Not supported yet. Please implement me :-(
+    //   *
+    //   * @param depth
+    //   * @param width
+    //   */
+    //  protected void setRestrictCursor(int depth, int width) {
+    //
+    //      restrictCursor = true;
+    //      //      restriction
+    //
+    //  }
+
+    /**
+     * Creates a window on the screen
+     *
+     * @param depth
+     * @param width
+     * @param type
+     * @param gui
+     * @param monoAttr
+     * @param colorAttr
+     * @param ul
+     * @param upper
+     * @param ur
+     * @param left
+     * @param right
+     * @param ll
+     * @param bottom
+     * @param lr
+     */
+    protected void createWindow(int depth, int width, int type, boolean gui,
+            int monoAttr, int colorAttr, int ul, int upper, int ur, int left,
+            int right, int ll, int bottom, int lr) {
+
+        int c = getCol(lastPos);
+        int w = 0;
+        width++;
+
+        w = width;
+        // set leading attribute byte
+        //      screen[lastPos].setCharAndAttr(initChar, initAttr, true);
+        planes.setScreenCharAndAttr(lastPos, initChar, initAttr, true);
+        setDirty(lastPos);
+
+        advancePos();
+        // set upper left
+        //      screen[lastPos].setCharAndAttr((char) ul, colorAttr, false);
+        planes.setScreenCharAndAttr(lastPos, (char) ul, colorAttr, false);
+        if (gui) {
+            //          screen[lastPos].setUseGUI(UPPER_LEFT);
+            planes.setUseGUI(lastPos, UPPER_LEFT);
+        }
+        setDirty(lastPos);
+
+        advancePos();
+
+        // draw top row
+
+        while (w-- >= 0) {
+            //          screen[lastPos].setCharAndAttr((char) upper, colorAttr, false);
+            planes.setScreenCharAndAttr(lastPos, (char) upper, colorAttr, false);
+            if (gui) {
+                //              screen[lastPos].setUseGUI(UPPER);
+                planes.setUseGUI(lastPos,UPPER);
+            }
+            setDirty(lastPos);
+            advancePos();
+        }
+
+        // set upper right
+        //      screen[lastPos].setCharAndAttr((char) ur, colorAttr, false);
+        planes.setScreenCharAndAttr(lastPos,(char) ur, colorAttr, false);
+
+        if (gui) {
+            //          screen[lastPos].setUseGUI(UPPER_RIGHT);
+            planes.setUseGUI(lastPos, UPPER_RIGHT);
+        }
+        setDirty(lastPos);
+        advancePos();
+
+        // set ending attribute byte
+        planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
+
+        setDirty(lastPos);
+
+        lastPos = ((getRow(lastPos) + 1) * numCols) + c;
+
+        // now handle body of window
+        while (depth-- > 0) {
+
+            // set leading attribute byte
+            planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
+            setDirty(lastPos);
+            advancePos();
+
+            // set left
+            planes.setScreenCharAndAttr(lastPos, (char) left, colorAttr, false);
+
+            if (gui) {
+                planes.setUseGUI(lastPos,GUI_LEFT);
+            }
+            setDirty(lastPos);
+            advancePos();
+
+            w = width;
+            // fill it in
+            while (w-- >= 0) {
+                //              screen[lastPos].setCharAndAttr(initChar, initAttr, true);
+                planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
+                //              screen[lastPos].setUseGUI(NO_GUI);
+                planes.setUseGUI(lastPos,NO_GUI);
+                setDirty(lastPos);
+                advancePos();
+            }
+
+            // set right
+            //          screen[lastPos].setCharAndAttr((char) right, colorAttr, false);
+            planes.setScreenCharAndAttr(lastPos,(char) right, colorAttr, false);
+            if (gui) {
+                //              screen[lastPos].setUseGUI(RIGHT);
+                planes.setUseGUI(lastPos,GUI_RIGHT);
+            }
+
+            setDirty(lastPos);
+            advancePos();
+
+            // set ending attribute byte
+            //          screen[lastPos].setCharAndAttr(initChar, initAttr, true);
+            planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
+            setDirty(lastPos);
+
+            lastPos = ((getRow(lastPos) + 1) * numCols) + c;
+        }
+
+        // set leading attribute byte
+        //      screen[lastPos].setCharAndAttr(initChar, initAttr, true);
+        planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
+        setDirty(lastPos);
+        advancePos();
+
+        // set lower left
+        //      screen[lastPos].setCharAndAttr((char) ll, colorAttr, false);
+        planes.setScreenCharAndAttr(lastPos,(char) ll, colorAttr, false);
+        if (gui) {
+            //          screen[lastPos].setUseGUI(LOWER_LEFT);
+            planes.setUseGUI(lastPos,LOWER_LEFT);
+        }
+        setDirty(lastPos);
+        advancePos();
+
+        w = width;
+
+        // draw bottom row
+        while (w-- >= 0) {
+            planes.setScreenCharAndAttr(lastPos,(char) bottom, colorAttr, false);
+            if (gui) {
+                planes.setUseGUI(lastPos,BOTTOM);
+            }
+            setDirty(lastPos);
+            advancePos();
+        }
+
+        // set lower right
+        planes.setScreenCharAndAttr(lastPos, (char) lr, colorAttr, false);
+        if (gui) {
+            planes.setUseGUI(lastPos,LOWER_RIGHT);
+        }
+
+        setDirty(lastPos);
+        advancePos();
+
+        // set ending attribute byte
+        planes.setScreenCharAndAttr(lastPos,initChar, initAttr, true);
+        setDirty(lastPos);
+
+    }
+
+    /**
+     * Creates a scroll bar on the screen using the parameters provided.
+     *  ** we only support vertical scroll bars at the time.
+     *
+     * @param flag -
+     *            type to draw - vertical or horizontal
+     * @param totalRowScrollable
+     * @param totalColScrollable
+     * @param sliderRowPos
+     * @param sliderColPos
+     * @param sbSize
+     */
+    protected void createScrollBar(int flag, int totalRowScrollable,
+            int totalColScrollable, int sliderRowPos, int sliderColPos,
+            int sbSize) {
+
+        //      System.out.println("Scrollbar flag: " + flag +
+        //                           " scrollable Rows: " + totalRowScrollable +
+        //                           " scrollable Cols: " + totalColScrollable +
+        //                           " thumb Row: " + sliderRowPos +
+        //                           " thumb Col: " + sliderColPos +
+        //                           " size: " + sbSize +
+        //                           " row: " + getRow(lastPos) +
+        //                           " col: " + getCol(lastPos));
+
+        int sp = lastPos;
+        int size = sbSize - 2;
+
+        int thumbPos = (int) (size * ((float) sliderColPos / (float) totalColScrollable));
+        //      System.out.println(thumbPos);
+        planes.setScreenCharAndAttr(sp,' ', 32, false);
+        planes.setUseGUI(sp,BUTTON_SB_UP);
+
+        int ctr = 0;
+        while (ctr < size) {
+            sp += numCols;
+            planes.setScreenCharAndAttr(sp,' ', 32, false);
+            if (ctr == thumbPos)
+                planes.setUseGUI(sp,BUTTON_SB_THUMB);
+            else
+                planes.setUseGUI(sp, BUTTON_SB_GUIDE);
+            ctr++;
+        }
+        sp += numCols;
+
+
+        planes.setScreenCharAndAttr(sp, ' ', 32, false);
+        planes.setUseGUI(sp, BUTTON_SB_DN);
+    }
+
+    /**
+     * Write the title of the window that is on the screen
+     *
+     * @param pos
+     * @param depth
+     * @param width
+     * @param orientation
+     * @param monoAttr
+     * @param colorAttr
+     * @param title
+     */
+    protected void writeWindowTitle(int pos, int depth, int width,
+            byte orientation, int monoAttr, int colorAttr, StringBuffer title) {
+
+        int len = title.length();
+
+        // get bit 0 and 1 for interrogation
+        switch (orientation & 0xc0) {
+        case 0x40: // right
+            pos += (4 + width - len);
+            break;
+        case 0x80: // left
+            pos += 2;
+            break;
+        default: // center
+            // this is to place the position to the first text position of the
+            // window
+            //    the position passed in is the first attribute position, the next
+            //    is the border character and then there is another attribute after
+            //    that.
+            pos += (3 + ((width / 2) - (len / 2)));
+            break;
+
+        }
+
+        //  if bit 2 is on then this is a footer
+        if ((orientation & 0x20) == 0x20)
+            pos += ((depth + 1) * numCols);
+
+        //      System.out.println(pos + "," + width + "," + len+ "," + getRow(pos)
+        //                              + "," + getCol(pos) + "," + ((orientation >> 6) & 0xf0));
+
+        for (int x = 0; x < len; x++) {
+            planes.setChar(pos, title.charAt(x));
+            planes.setUseGUI(pos++, NO_GUI);
+
+        }
+    }
+
+    /**
+     * Roll the screen up or down.
+     *
+     * Byte 1: Bit 0 0 = Roll up 1 = Roll down Bits 1-2 Reserved Bits 3-7 Number
+     * of lines that the designated area is to be rolled Byte 2: Bits 0-7 Line
+     * number defining the top line of the area that will participate in the
+     * roll. Byte 3: Bits 0-7 Line number defining the bottom line of the area
+     * that will participate in the roll.
+     *
+     * @param direction
+     * @param topLine
+     * @param bottomLine
+     */
+    protected void rollScreen(int direction, int topLine, int bottomLine) {
+
+        // get the number of lines which are the last 5 bits
+        /* int lines = direction & 0x7F; */
+        // get the direction of the roll which is the first bit
+        //    0 - up
+        //    1 - down
+        int updown = direction & 0x80;
+        final int lines = direction & 0x7F;
+
+        // calculate the reference points for the move.
+        int start = this.getPos(topLine - 1, 0);
+        int end = this.getPos(bottomLine - 1, numCols - 1);
+        int len = end - start;
+
+        //      System.out.println(" starting roll");
+        //      dumpScreen();
+        switch (updown) {
+        case 0:
+            //  Now round em up and head em UP.
+            for (int x = start; x < end + numCols; x++) {
+                if (x + lines * numCols >= lenScreen) {
+                    //Clear at the end
+                    planes.setChar(x, ' ');
+                } else {
+                    planes.setChar(x, planes.getChar(x + lines * numCols  ));
+                }
+            }
+            break;
+        case 1:
+            //  Now round em up and head em DOWN.
+            for (int x = end + numCols; x > 0; x--) {
+                if ((x - lines * numCols ) < 0 ) {
+                    //Do nothing ... tooo small!!!
+                } else {
+                    planes.setChar(x - lines  * numCols, planes.getChar(x));
+                    //and clear
+                    planes.setChar(x, ' ');
+                }
+            }
+            break;
+        default:
+            Log.w(TAG," Invalid roll parameter - please report this");
+        }
+        //      System.out.println(" end roll");
+        //      dumpScreen();
+
+    }
+
+    public void dumpScreen() {
+
+        StringBuffer sb = new StringBuffer();
+        char[] s = getScreenAsChars();
+        int c = getColumns();
+        int l = getRows() * c;
+        int col = 0;
+        for (int x = 0; x < l; x++, col++) {
+            sb.append(s[x]);
+            if (col == c) {
+                sb.append('\n');
+                col = 0;
+            }
+        }
+        Log.i(TAG,sb.toString());
+
+    }
+
+    /**
+     * Add a field to the field format table.
+     *
+     * @param attr - Field attribute
+     * @param len - length of field
+     * @param ffw1 - Field format word 1
+     * @param ffw2 - Field format word 2
+     * @param fcw1 - Field control word 1
+     * @param fcw2 - Field control word 2
+     */
+    protected void addField(int attr, int len, int ffw1, int ffw2, int fcw1,
+            int fcw2) {
+
+        lastAttr = attr;
+
+        planes.setScreenCharAndAttr(lastPos, initChar, lastAttr, true);
+
+        setDirty(lastPos);
+
+        advancePos();
+
+        ScreenField sf = null;
+
+        // from 14.6.12 for Start of Field Order 5940 function manual
+        //  examine the format table for an entry that begins at the current
+        //  starting address plus 1.
+        if (screenFields.existsAtPos(lastPos)) {
+            screenFields.setCurrentFieldFFWs(ffw1, ffw2);
+        } else {
+            sf = screenFields.setField(attr, getRow(lastPos), getCol(lastPos),
+                    len, ffw1, ffw2, fcw1, fcw2);
+            lastPos = sf.startPos();
+            int x = len;
+
+            boolean gui = guiInterface;
+            if (sf.isBypassField())
+                gui = false;
+
+            while (x-- > 0) {
+
+                if (planes.getChar(lastPos) == 0)
+                    planes.setScreenCharAndAttr(lastPos, ' ', lastAttr, false);
+                else
+                    planes.setScreenAttr(lastPos,lastAttr);
+
+                if (gui) {
+                    planes.setUseGUI(lastPos,FIELD_MIDDLE);
+                }
+
+                // now we set the field plane attributes
+                planes.setScreenFieldAttr(lastPos,ffw1);
+
+                advancePos();
+
+            }
+
+            if (gui)
+                if (len > 1) {
+                    planes.setUseGUI(sf.startPos(), FIELD_LEFT);
+
+                    if (lastPos > 0)
+                        planes.setUseGUI(lastPos - 1, FIELD_RIGHT);
+                    else
+                        planes.setUseGUI(lastPos,FIELD_RIGHT);
+
+                }
+                else {
+                    planes.setUseGUI(lastPos - 1,FIELD_ONE);
+                }
+
+            //         screen[lastPos].setCharAndAttr(initChar,initAttr,true);
+            setEndingAttr(initAttr);
+
+            lastPos = sf.startPos();
+        }
+
+        //      if (fcw1 != 0 || fcw2 != 0) {
+
+        //         System.out.println("lr = " + lastRow + " lc = " + lastCol + " " +
+        // sf.toString());
+        //      }
+        sf = null;
+
+    }
+
+
+    //      public void addChoiceField(int attr, int len, int ffw1, int ffw2, int
+    // fcw1, int fcw2) {
+    //
+    //         lastAttr = attr;
+    //
+    //         screen[lastPos].setCharAndAttr(initChar,lastAttr,true);
+    //         setDirty(lastPos);
+    //
+    //         advancePos();
+    //
+    //         boolean found = false;
+    //         ScreenField sf = null;
+    //
+    //         // from 14.6.12 for Start of Field Order 5940 function manual
+    //         // examine the format table for an entry that begins at the current
+    //         // starting address plus 1.
+    //         for (int x = 0;x < sizeFields; x++) {
+    //            sf = screenFields[x];
+    //
+    //            if (lastPos == sf.startPos()) {
+    //               screenFields.getCurrentField() = sf;
+    //               screenFields.getCurrentField().setFFWs(ffw1,ffw2);
+    //               found = true;
+    //            }
+    //
+    //         }
+    //
+    //         if (!found) {
+    //            sf =
+    // setField(attr,getRow(lastPos),getCol(lastPos),len,ffw1,ffw2,fcw1,fcw2);
+    //
+    //            lastPos = sf.startPos();
+    //            int x = len;
+    //
+    //            boolean gui = guiInterface;
+    //            if (sf.isBypassField())
+    //               gui = false;
+    //
+    //            while (x-- > 0) {
+    //
+    //               if (screen[lastPos].getChar() == 0)
+    //                  screen[lastPos].setCharAndAttr(' ',lastAttr,false);
+    //               else
+    //                  screen[lastPos].setAttribute(lastAttr);
+    //
+    //               if (gui)
+    //                  screen[lastPos].setUseGUI(FIELD_MIDDLE);
+    //
+    //               advancePos();
+    //
+    //            }
+    //
+    //            if (gui)
+    //               if (len > 1) {
+    //                  screen[sf.startPos()].setUseGUI(FIELD_LEFT);
+    //                  if (lastPos > 0)
+    //                     screen[lastPos-1].setUseGUI(FIELD_RIGHT);
+    //                  else
+    //                     screen[lastPos].setUseGUI(FIELD_RIGHT);
+    //
+    //               }
+    //               else
+    //                  screen[lastPos-1].setUseGUI(FIELD_ONE);
+    //
+    //            setEndingAttr(initAttr);
+    //
+    //            lastPos = sf.startPos();
+    //         }
+    //
+    //   // if (fcw1 != 0 || fcw2 != 0) {
+    //   //
+    //   // System.out.println("lr = " + lastRow + " lc = " + lastCol + " " +
+    // sf.toString());
+    //   // }
+    //         sf = null;
+    //
+    //      }
+
+    /**
+     * Return the fields that are contained in the Field Format Table
+     *
+     * @return ScreenFields object
+     * @see org.tn5250j.ScreenFields
+     */
+    public ScreenFields getScreenFields() {
+        return screenFields;
+    }
+
+    /**
+     * Redraw the fields on the screen. Used for gui enhancement to redraw the
+     * fields when toggling
+     *
+     */
+    protected void drawFields() {
+
+        ScreenField sf;
+
+        int sizeFields = screenFields.getSize();
+        for (int x = 0; x < sizeFields; x++) {
+
+            sf = screenFields.getField(x);
+
+            if (!sf.isBypassField()) {
+                int pos = sf.startPos();
+
+                int l = sf.length;
+
+                boolean f = true;
+
+                if (l >= lenScreen)
+                    l = lenScreen - 1;
+
+                if (l > 1) {
+                    while (l-- > 0) {
+
+                        if (guiInterface && f) {
+                            planes.setUseGUI(pos,FIELD_LEFT);
+                            f = false;
+                        } else {
+
+                            planes.setUseGUI(pos,FIELD_MIDDLE);
+
+                        }
+
+                        if (guiInterface && l == 0) {
+                            planes.setUseGUI(pos,FIELD_RIGHT);
+                        }
+
+                        setDirty(pos++);
+                    }
+                } else {
+                    planes.setUseGUI(pos,FIELD_ONE);
+                }
+            }
+        }
+
+        //updateDirty();
+    }
+
+    /**
+     * Draws the field on the screen. Used to redraw or change the attributes of
+     * the field.
+     *
+     * @param sf -
+     *            Field to be redrawn
+     * @see org.tn5250j.ScreenField.java
+     */
+    protected void drawField(ScreenField sf) {
+
+        int pos = sf.startPos();
+
+        int x = sf.length;
+
+        while (x-- > 0) {
+            setDirty(pos++);
+        }
+
+        updateDirty();
+
+    }
+
+    /**
+     * Set the field to be displayed as highlighted.
+     *
+     * @param sf -
+     *            Field to be highlighted
+     */
+    protected void setFieldHighlighted(ScreenField sf) {
+
+        int pos = sf.startPos();
+
+        int x = sf.length;
+        int na = sf.getHighlightedAttr();
+
+        while (x-- > 0) {
+            planes.setScreenAttr(pos,na);
+            setDirty(pos++);
+        }
+        fireScreenChanged();
+
+    }
+
+    /**
+     * Draw the field as un higlighted. This is used to reset the field
+     * presentation on the screen after the field is exited.
+     *
+     * @param sf -
+     *            Field to be unhighlighted
+     */
+    protected void unsetFieldHighlighted(ScreenField sf) {
+
+        int pos = sf.startPos();
+
+        int x = sf.length;
+        int na = sf.getAttr();
+
+        while (x-- > 0) {
+            planes.setScreenAttr(pos,na);
+            setDirty(pos++);
+        }
+        fireScreenChanged();
+
+    }
+
+    protected void setChar(int cByte) {
+        if (lastPos > 0) {
+            lastAttr = planes.getCharAttr(lastPos - 1);
+        }
+        if (cByte > 0 && (char)cByte < ' ') {
+            planes.setScreenCharAndAttr(lastPos, (char) 0x00, 33, false);
+            setDirty(lastPos);
+            advancePos();
+        } else {
+            planes.setScreenCharAndAttr(lastPos, (char) cByte, lastAttr, false);
+            setDirty(lastPos);
+            if (guiInterface && !isInField(lastPos, false)) {
+                planes.setUseGUI(lastPos, NO_GUI);
+            }
+            advancePos();
+        }
+    }
+
+    protected void setEndingAttr(int cByte) {
+        int attr = lastAttr;
+        setAttr(cByte);
+        lastAttr = attr;
+    }
+
+    protected void setAttr(int cByte) {
+        lastAttr = cByte;
+
+        //      int sattr = screen[lastPos].getCharAttr();
+        //         System.out.println("changing from " + sattr + " to attr " + lastAttr
+        // +
+        //                     " at " + (this.getRow(lastPos) + 1) + "," + (this.getCol(lastPos) +
+        // 1));
+        planes.setScreenCharAndAttr(lastPos, initChar, lastAttr, true);
+        setDirty(lastPos);
+
+        advancePos();
+        int pos = lastPos;
+
+        int times = 0;
+        //      sattr = screen[lastPos].getCharAttr();
+        //         System.out.println(" next position after change " + sattr + " last
+        // attr " + lastAttr +
+        //                     " at " + (this.getRow(lastPos) + 1) + "," + (this.getCol(lastPos) +
+        // 1) +
+        //                     " attr place " + screen[lastPos].isAttributePlace());
+
+        while (planes.getCharAttr(lastPos) != lastAttr
+                && !planes.isAttributePlace(lastPos)) {
+
+            planes.setScreenAttr(lastPos, lastAttr);
+            if (guiInterface && !isInField(lastPos, false)) {
+                int g = planes.getWhichGUI(lastPos);
+                if (g >= FIELD_LEFT && g <= FIELD_ONE)
+                    planes.setUseGUI(lastPos,NO_GUI);
+            }
+            setDirty(lastPos);
+
+            times++;
+            advancePos();
+        }
+
+        // sanity check for right now
+        //      if (times > 200)
+        //         System.out.println(" setAttr = " + times + " start = " + (sr + 1) +
+        // "," + (sc + 1));
+
+        lastPos = pos;
+    }
+
+    protected void setScreenCharAndAttr(char right, int colorAttr, boolean isAttr) {
+
+        planes.setScreenCharAndAttr(lastPos,right, colorAttr, isAttr);
+        setDirty(lastPos);
+        advancePos();
+
+    }
+
+    protected void setScreenCharAndAttr(char right, int colorAttr,
+            int whichGui, boolean isAttr) {
+
+        planes.setScreenCharAndAttr(lastPos,right, colorAttr, isAttr);
+        planes.setUseGUI(lastPos,whichGui);
+
+        setDirty(lastPos);
+        advancePos();
+
+    }
+
+    /**
+     * Draw or redraw the dirty parts of the screen and display them.
+     *
+     * Rectangle dirty holds the dirty area of the screen to be updated.
+     *
+     * If you want to change the screen in anyway you need to set the screen
+     * attributes before calling this routine.
+     */
+    protected void updateDirty() {
+        fireScreenChanged();
+    }
+
+    protected void setDirty(int pos) {
+
+        int minr = Math.min(getRow(pos),getRow(dirtyScreen.x));
+        int minc = Math.min(getCol(pos),getCol(dirtyScreen.x));
+
+        int maxr = Math.max(getRow(pos),getRow(dirtyScreen.y));
+        int maxc = Math.max(getCol(pos),getCol(dirtyScreen.y));
+
+        int x1 = getPos(minr,minc);
+        int x2 = getPos(maxr,maxc);
+
+        dirtyScreen.setBounds(x1,x2,0,0);
+
+    }
+
+    private void resetDirty(int pos) {
+
+        dirtyScreen.setBounds(pos,pos,0,0);
+
+    }
+
+    /**
+     * Change the screen position by one column
+     */
+    protected void advancePos() {
+        changePos(1);
+    }
+
+    /**
+     * Change position of the screen by the increment of parameter passed.
+     *
+     * If the position change is under the minimum of the first screen position
+     * then the position is moved to the last row and column of the screen.
+     *
+     * If the position change is over the last row and column of the screen then
+     * cursor is moved to first position of the screen.
+     *
+     * @param i
+     */
+    protected void changePos(int i) {
+
+        lastPos += i;
+        if (lastPos < 0)
+            lastPos = lenScreen + lastPos;
+        if (lastPos > lenScreen - 1)
+            lastPos = lastPos - lenScreen;
+
+        //      System.out.println(lastRow + "," + ((lastPos) / numCols) + "," +
+        //                         lastCol + "," + ((lastPos) % numCols) + "," +
+        //                         ((lastRow * numCols) + lastCol) + "," +
+        //                         (lastPos));
+
+    }
+
+    protected void goHome() {
+
+        //  now we try to move to first input field according to
+        //  14.6 WRITE TO DISPLAY Command
+        //    ? If the WTD command is valid, after the command is processed,
+        //          the cursor moves to one of three locations:
+        //    - The location set by an insert cursor order (unless control
+        //          character byte 1, bit 1 is equal to B'1'.)
+        //    - The start of the first non-bypass input field defined in the
+        //          format table
+        //    - A default starting address of row 1 column 1.
+
+        if (pendingInsert && homePos > 0) {
+            setCursor(getRow(homePos), getCol(homePos));
+            isInField(); // we now check if we are in a field
+        } else {
+            if (!gotoField(1)) {
+                homePos = getPos(1, 1);
+                setCursor(1, 1);
+                isInField(0, 0); // we now check if we are in a field
+            } else {
+                homePos = getPos(getCurrentRow(), getCurrentCol());
+            }
+        }
+    }
+
+    protected void setPendingInsert(boolean flag, int icX, int icY) {
+        pendingInsert = flag;
+        if (pendingInsert) {
+            homePos = getPos(icX, icY);
+        }
+
+        if (!isStatusErrorCode()) {
+            setCursor(icX, icY);
+        }
+    }
+
+    protected void setPendingInsert(boolean flag) {
+        if (homePos != -1)
+            pendingInsert = flag;
+    }
+
+    /**
+     * Set the error line number to that of number passed.
+     *
+     * @param line
+     */
+    protected void setErrorLine(int line) {
+
+        planes.setErrorLine(line);
+    }
+
+    /**
+     * Returns the current error line number
+     *
+     * @return current error line number
+     */
+    protected int getErrorLine() {
+        return planes.getErrorLine();
+    }
+
+    /**
+     * Saves off the current error line characters to be used later.
+     *
+     */
+    protected void saveErrorLine() {
+        planes.saveErrorLine();
+    }
+
+    /**
+     * Restores the error line characters from the save buffer.
+     *
+     * @see #saveErrorLine()
+     */
+    protected void restoreErrorLine() {
+
+        if (planes.isErrorLineSaved()) {
+            planes.restoreErrorLine();
+            fireScreenChanged(planes.getErrorLine()-1,0,planes.getErrorLine()-1,numCols - 1);
+        }
+    }
+
+    protected void setStatus(byte attr, byte value, String s) {
+
+        // set the status area
+        switch (attr) {
+
+        case STATUS_SYSTEM:
+            if (value == STATUS_VALUE_ON) {
+                oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_SYSTEM_WAIT,ScreenOIA.OIA_LEVEL_INPUT_INHIBITED, s);
+            }
+            else {
+                oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_NOTINHIBITED,ScreenOIA.OIA_LEVEL_NOT_INHIBITED,s);
+            }
+            break;
+
+        case STATUS_ERROR_CODE:
+            if (value == STATUS_VALUE_ON) {
+                setPrehelpState(true, true, false);
+                oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_SYSTEM_WAIT,
+                        ScreenOIA.OIA_LEVEL_INPUT_ERROR,s);
+
+                sessionVT.signalBell();
+            } else {
+                oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_NOTINHIBITED,
+                        ScreenOIA.OIA_LEVEL_NOT_INHIBITED);
+                setPrehelpState(false, true, true);
+                homePos = saveHomePos;
+                saveHomePos = 0;
+                pendingInsert = false;
+            }
+            break;
+
+        }
+    }
+
+    protected boolean isStatusErrorCode() {
+
+        return oia.getLevel() == ScreenOIA.OIA_LEVEL_INPUT_ERROR;
+
+    }
+
+    /**
+     * This routine clears the screen, resets row and column to 0, resets the
+     * last attribute to 32, clears the fields, turns insert mode off,
+     * clears/initializes the screen character array.
+     */
+    protected void clearAll() {
+
+        lastAttr = 32;
+        lastPos = 0;
+
+        clearTable();
+        clearScreen();
+        planes.setScreenAttr(0, initAttr);
+        oia.setInsertMode(false);
+    }
+
+    /**
+     * Clear the fields table
+     */
+    protected void clearTable() {
+
+        oia.setKeyBoardLocked(true);
+        screenFields.clearFFT();
+        planes.initalizeFieldPlanes();
+        pendingInsert = false;
+        homePos = -1;
+    }
+
+    /**
+     * Clear the gui constructs
+     *
+     */
+    protected void clearGuiStuff() {
+
+        for (int x = 0; x < lenScreen; x++) {
+            planes.setUseGUI(x,NO_GUI);
+        }
+        dirtyScreen.setBounds(0,lenScreen - 1,0,0);
+    }
+
+    /**
+     * Clear the screen by setting the initial character and initial attribute
+     * to all the positions on the screen
+     */
+    protected void clearScreen() {
+
+        planes.initalizePlanes();
+
+        dirtyScreen.setBounds(0,lenScreen - 1,0,0);
+
+        oia.clearScreen();
+
+    }
+
+    protected void restoreScreen() {
+
+        lastAttr = 32;
+        dirtyScreen.setBounds(0,lenScreen - 1,0,0);
+        updateDirty();
+    }
+
+    /**
+     * repaint part of the screen
+     *
+     */
+    private void fireScreenChanged(int startRow, int startCol, int endRow, int endCol) {
+        for (int r = startRow; r <= endRow; r++) {
+            for (int c = startCol; c <= endCol; c++) {
+                char ch = planes.getChar(getPos(r,c));
+                buffer.putChar(c, r, ch, 0);
+            }
+        }
+        dirtyScreen.setBounds(lenScreen,0,0,0);
+    }
+
+    /**
+     * repaint the dirty part of the screen
+     *
+     */
+    private synchronized void fireScreenChanged() {
+        if (dirtyScreen.x > dirtyScreen.y) {
+            Log.i(TAG," x < y " + dirtyScreen);
+            return;
+        }
+        fireScreenChanged(getRow(dirtyScreen.x), getCol(dirtyScreen.x),
+                          getRow(dirtyScreen.y), getCol(dirtyScreen.y));
+
+    }
+
+    /**
+     * update the cursor position
+     *
+     */
+    private synchronized void fireCursorChanged() {
+        int l = getRow(lastPos);
+        int c = getCol(lastPos);
+        buffer.setCursorPosition(c,l);
+    }
+
+    /**
+     * update the screen size.
+     */
+    private void fireScreenSizeChanged() {
+        buffer.setScreenSize(numCols, numRows, true);
+    }
+
+    /**
+     * This method does a complete refresh of the screen.
+     */
+    public final void updateScreen() {
+        repaintScreen();
+        setCursorActive(false);
+        setCursorActive(true);
+    }
+
+    /**
+     * Utility method to share the repaint behaviour between setBounds() and
+     * updateScreen.
+     */
+    public void repaintScreen() {
+        setCursorOff();
+        dirtyScreen.setBounds(0,lenScreen - 1,0,0);
+        updateDirty();
+        // restore statuses that were on the screen before resize
+        if (oia.getLevel() == ScreenOIA.OIA_LEVEL_INPUT_ERROR) {
+            oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_SYSTEM_WAIT,
+                    ScreenOIA.OIA_LEVEL_INPUT_ERROR);
+        }
+
+        if (oia.getLevel() == ScreenOIA.OIA_LEVEL_INPUT_INHIBITED) {
+            oia.setInputInhibited(ScreenOIA.INPUTINHIBITED_SYSTEM_WAIT,
+                    ScreenOIA.OIA_LEVEL_INPUT_INHIBITED);
+        }
+
+        if (oia.isMessageWait())
+            oia.setMessageLightOn();
+        setCursorOn();
+    }
+
+    // ADDED BY BARRY - changed by Kenneth to use the character plane
+    //  This should be replaced with the getPlane methods when they are implemented
+    public char[] getCharacters() {
+        return planes.screen;
+    }
 
 }