codebasic
diff --git a/‎PyTutorGAE/embedding-examples.js‎
Lines changed: 1 addition & 1 deletion b/‎PyTutorGAE/embedding-examples.js‎
Lines changed: 1 addition & 1 deletion
diff --git a/‎PyTutorGAE/js/pytutor.js‎
Lines changed: 7 additions & 2 deletions b/‎PyTutorGAE/js/pytutor.js‎
Lines changed: 7 additions & 2 deletions
@@ -34,6 +34,7 @@ var curVisualizerID = 1; // global to uniquely identify each ExecutionVisualizer
 //   code  - string of executed code
 //   trace - a full execution trace
 // params contains optional parameters, such as:
+//   jumpToEnd - if non-null, jump to the very end of execution
 //   startingInstruction - the (zero-indexed) execution point to display upon rendering
 //   hideOutput - hide "Program output" and "Generate URL" displays
 //   codeDivHeight - maximum height of #pyCodeOutputDiv (in pixels)
@@ -270,11 +271,15 @@ ExecutionVisualizer.prototype.render = function() {
 
 
   if (this.params && this.params.startingInstruction) {
-    assert(1 <= this.params.startingInstruction &&
-           this.params.startingInstruction <= this.curTrace.length);
+    assert(0 <= this.params.startingInstruction &&
+           this.params.startingInstruction < this.curTrace.length);
     this.curInstr = this.params.startingInstruction;
   }
 
+  if (this.params.jumpToEnd) {
+    this.curInstr = this.curTrace.length - 1;
+  }
+
 
   this.setKeyboardBindings();