Use newer keyboard polyfill, require IE8+

index.js

@@ -86,7 +86,7 @@ window.addEventListener('DOMContentLoaded', function () {
   }
 
   var program;
-  addEvent($('#btn_run'), 'click', function () {
+  $('#btn_run').addEventListener('click', function () {
     dos.reset();
     tty.reset();
     tty.autoScroll = true;
@@ -117,22 +117,22 @@ window.addEventListener('DOMContentLoaded', function () {
     setTimeout(driver, 0);
   });
 
-  addEvent($('#btn_stop'), 'click', function () {
+  $('#btn_stop').addEventListener('click', function () {
     tty.reset(); // cancel any blocking input
     stopped = true;
     updateUI();
   });
 
-  addEvent($('#lb_files'), 'change', function () {
+  $('#lb_files').addEventListener('change', function () {
     var sel = $('#lb_files');
     loadFile('samples/' + sel.value + ".txt", setSource);
   });
 
-  addEvent($('#btn_save'), 'click', function () {
+  $('#btn_save').addEventListener('click', function () {
     window.localStorage.setItem("save_program", getSource());
     $('#btn_load').disabled = false;
   });
-  addEvent($('#btn_load'), 'click', function () {
+  $('#btn_load').addEventListener('click', function () {
     setSource(window.localStorage.getItem("save_program"));
   });
   $('#btn_load').disabled = (window.localStorage.getItem("save_program") === null);
@@ -140,19 +140,19 @@ window.addEventListener('DOMContentLoaded', function () {
   // Add a "printer" on demand
   var printer = null;
   var paper = $('#paper');
-  addEvent($('#show_paper'), 'click', function () {
+  $('#show_paper').addEventListener('click', function () {
-    window.getClassList(document.body).add('printout');
+    document.body.classList.add('printout');
     printer = new Printer(tty, paper);
   });
-  addEvent($('#hide_paper'), 'click', function () {
+  $('#hide_paper').addEventListener('click', function () {
-    window.getClassList(document.body).remove('printout');
+    document.body.classList.remove('printout');
     printer.close();
     printer = null;
   });
 
   // Mouse-as-Joystick
   var wrapper = $('#screen-wrapper');
-  addEvent(wrapper, 'mousemove', function (e) {
+  wrapper.addEventListener('mousemove', function (e) {
     var rect = wrapper.getBoundingClientRect(),
         x = e.clientX - rect.left, y = e.clientY - rect.top;
     function clamp(n, min, max) { return n < min ? min : n > max ? max : n; }

polyfill

@@ -1 +1 @@
-Subproject commit 36bbc210fb65bfd25d075d5eec077822d7b0d5c6
+Subproject commit 007919d32364e9af78b79a7fc3dbb1e66fc0c875

script.js

@@ -74,7 +74,7 @@
     var pdl = [0, 0, 0, 0];
 
     // Mouse-as-Joystick
-    addEvent(wrapper_elem, 'mousemove', function (e) {
+    wrapper_elem.addEventListener('mousemove', function (e) {
       var rect = wrapper_elem.getBoundingClientRect(),
           x = e.clientX - rect.left, y = e.clientY - rect.top;
       function clamp(n, min, max) { return n < min ? min : n > max ? max : n; }

tty.js

@@ -167,8 +167,8 @@ function TTY(screenElement, keyboardElement, bell) {
     tbody = document.createElement('tbody');
     styleElem = tbody;
 
-    getClassList(styleElem).add(screenWidth === 40 ? 'jsb-40col' : 'jsb-80col');
+    styleElem.classList.add(screenWidth === 40 ? 'jsb-40col' : 'jsb-80col');
-    if (firmwareActive) { getClassList(styleElem).add('jsb-active'); }
+    if (firmwareActive) { styleElem.classList.add('jsb-active'); }
 
     for (y = 0; y < screenHeight; y += 1) {
       tr = document.createElement('tr');
@@ -732,11 +732,8 @@ function TTY(screenElement, keyboardElement, bell) {
 
   // Internal
   function handleKeyDown(e) {
-    identifyKey(e);
+    if (!e.code || isBrowserKey(e))
-
-    if (!e.code || isBrowserKey(e)) {
       return true;
-    }
 
     var handled = false, code;
 
@@ -780,14 +777,11 @@ function TTY(screenElement, keyboardElement, bell) {
 
   // Internal
   function handleKeyUp(e) {
-    identifyKey(e);
+    if (!e.code || isBrowserKey(e))
-
-    if (!e.code || isBrowserKey(e)) {
       return true;
-    }
 
     var handled = false,
-            code;
+        code;
 
     switch (e.code) {
 
@@ -876,10 +870,10 @@ function TTY(screenElement, keyboardElement, bell) {
 
   init(false, 24, 40);
 
-  window.addEvent(keyboardElement, 'keydown', handleKeyDown);
+  keyboardElement.addEventListener('keydown', handleKeyDown);
-  window.addEvent(keyboardElement, 'keyup', handleKeyUp);
+  keyboardElement.addEventListener('keyup', handleKeyUp);
 
   setInterval(function blinkFlash() {
-    window.getClassList(styleElem).toggle('jsb-flash');
+    styleElem.classList.toggle('jsb-flash');
   }, 250);
 }