--- a/app/src/main/java/de/mud/terminal/vt320.java	Sun Jun 05 12:00:10 2022 -0700
+++ b/app/src/main/java/de/mud/terminal/vt320.java	Sun Jun 05 14:46:41 2022 -0700
@@ -65,9 +65,7 @@
         /* do nothing by default */
     }
 
-    /**
-     * inject field contents as if typed
-     */
+    // monitor injecting a field
     public void setField(int l, int c, char [] d) {
         // ignore line and column, just send the bytes to the host.
         int n = d.length;
@@ -78,14 +76,20 @@
         write(b);
     }
 
+    // monitor simulating function key depress
+    public void keyDepressed(int keyCode) {
+        keyPressed(keyCode, ' ', 0);
+    }
+
+    // monitor simulating ascii key depress
+    public void keyUnicodeDepressed(int keyCode) {
+        write((byte)(keyCode & 0x00ff));
+    }
+
     public void monitorKey(boolean down) {
         // do nothing
     }
 
-    public void keyDepressed(int keyCode, char keyChar, int modifiers) {
-        keyPressed(keyCode, keyChar, modifiers);
-    }
-
     /**
      * Play the beep sound ...
      */