diff --git a/lib/emulator.js b/lib/emulator.js
index f7c82ec..10d5524 100644
--- a/lib/emulator.js
+++ b/lib/emulator.js
@@ -13,12 +13,26 @@ var factoryFlashMemory;
 // Log of messages from app
 var appLog = "";
 var lastOutputLine = "";
+var consoleOutputCallback;
 
 function onConsoleOutput(txt) {
   appLog += txt + "\n";
   lastOutputLine = txt;
+  if (consoleOutputCallback)
+    consoleOutputCallback(txt);
+  else
+    console.log("EMSCRIPTEN:", txt);
 }
 
+/* Initialise the emulator,
+
+options = {
+  EMULATOR : "banglejs"/"banglejs2"
+  DEVICEID : "BANGLEJS"/"BANGLEJS2"
+  rxCallback : function(int) - called every time a character received
+  consoleOutputCallback : function(str) - called when a while line is received
+}
+*/
 exports.init = function(options) {
   if (options.EMULATOR)
     EMULATOR = options.EMULATOR;
@@ -29,8 +43,10 @@ exports.init = function(options) {
   eval(require("fs").readFileSync(DIR_IDE + "/emu/emu_"+EMULATOR+".js").toString());
   eval(require("fs").readFileSync(DIR_IDE + "/emu/common.js").toString()/*.replace('console.log("EMSCRIPTEN:"', '//console.log("EMSCRIPTEN:"')*/);
 
-  jsRXCallback = function() {};
+  jsRXCallback = options.rxCallback ? options.rxCallback : function() {};
   jsUpdateGfx = function() {};
+  if (options.consoleOutputCallback)
+    consoleOutputCallback = options.consoleOutputCallback;
 
   factoryFlashMemory = new Uint8Array(FLASH_SIZE);
   factoryFlashMemory.fill(255);