--- a/src/com/five_ten_sg/connectbot/transport/TN5250.java	Thu Jul 03 09:00:23 2014 -0700
+++ b/src/com/five_ten_sg/connectbot/transport/TN5250.java	Thu Jul 03 19:34:07 2014 -0700
@@ -181,6 +181,25 @@
         }
         @Override
         public void write(int b) {
+            if (b == 120) {
+                // special case x for testing
+                setField(17, 40, new char[] { '1', '2' });
+                setField(17, 44, new char[0]);
+                setField(-1, -1, new char[] { '3', '4' });
+                setField(18, 40, new char[0]);
+                setField(-1, -1, new char[] { '5', '6' });
+                return;
+            }
+            if (b == 121) {
+                // special case y for testing
+                setField(17, 43, new char[0]);
+                return;
+            }
+            if (b == 122) {
+                // special case z for testing
+                setField(17, 41, new char[0]);
+                return;
+            }
             if (controls.containsKey(b)) keyPressed(controls.get(b), ' ', 0);
             else                         screen52.sendKeys(new String(new byte[] {(byte)b}));
             testChanged();