--- symon-master/src/main/java/com/loomcom/symon/Simulator.java 2013-03-05 05:38:50.000000000 +0100
+++ symon-master_/src/main/java/com/loomcom/symon/Simulator.java        2013-03-27 09:47:16.000000000 +0100
@@ -129,6 +129,9 @@

     private JButton runStopButton;
     private JButton stepButton;
+    private JButton stepButton5;
+    private JButton stepButton10;
+    private JButton stepButton50;
     private JButton resetButton;

     private JFileChooser      fileChooser;
@@ -187,10 +190,16 @@

         runStopButton = new JButton("Run");
         stepButton = new JButton("Step");
+        stepButton5 = new JButton("5 Steps");
+        stepButton10 = new JButton("10 Steps");
+        stepButton50 = new JButton("50 Steps");
         resetButton = new JButton("Reset");

         buttonContainer.add(runStopButton);
         buttonContainer.add(stepButton);
+        buttonContainer.add(stepButton5);
+        buttonContainer.add(stepButton10);
+        buttonContainer.add(stepButton50);
         buttonContainer.add(resetButton);

         // Left side - console
@@ -219,6 +228,27 @@
             }
         });

+
+
+        stepButton5.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                for(int i=0;i<5;i++) handleStep();
+            }
+        });
+
+        stepButton10.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                for(int i=0;i<10;i++) handleStep();
+            }
+        });
+
+        stepButton50.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                for(int i=0;i<50;i++) handleStep();
+            }
+        });
+
+
         resetButton.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent actionEvent) {
                 handleReset();

--- symon-master.orig/src/main/java/com/loomcom/symon/ui/MemoryWindow.java      2013-03-05 05:38:50.000000000 +0100
+++ symon-master//src/main/java/com/loomcom/symon/ui/MemoryWindow.java  2013-03-27 16:14:21.000000000 +0100
@@ -46,7 +46,7 @@
     private JTable memoryTable;
     private JTextField pageNumberTextField;

-    private static final Dimension MINIMUM_SIZE = new Dimension(380, 400);
+    private static final Dimension MINIMUM_SIZE = new Dimension(550, 500);

     /**
      * Initialize a new MemoryWindow frame with the specified Bus.
@@ -168,7 +168,7 @@
         private Bus bus;
         private int pageNumber;

-        private static final int COLUMN_COUNT = 9;
+        private static final int COLUMN_COUNT = 17;
         private static final int ROW_COUNT = 32;

         public MemoryTableModel(Bus bus) {
@@ -221,7 +221,12 @@
                 if (column == 0) {
                     return HexUtil.wordToHex(fullAddress(row, 1));
                 } else {
-                    return HexUtil.byteToHex(bus.read(fullAddress(row, column)));
+                   if(column < 9) {
+                       return HexUtil.byteToHex(bus.read(fullAddress(row, column)));
+                   } else {
+                       if(bus.read(fullAddress(row, (column-8))) < 32) return "." ;
+                       else return new String(new char[] { (char)bus.read(fullAddress(row, (column-8))) });
+                   }
                 }
             } catch (MemoryAccessException ex) {
                 return "??";