1 files changed, 15 insertions, 1 deletions
diff --git a/bedrock.js b/bedrock.js
index 4f1bd12..42c95d0 100644
--- a/bedrock.js
+++ b/bedrock.js
@@ -1,7 +1,7 @@
 "use strict";
 
 let systemName = "bedrock-js";
-let systemVersion = "1.0.0";
+let systemVersion = "1.0.1";
 let systemAuthors = "Ben Bridle";
 let initialScreenScale = 2;
 
@@ -91,6 +91,7 @@ function upgradeToEmulator(element) {
     let options = {
         scale,
         controls: 'controls' in attr,
+        nocursor: 'nocursor' in attr,
         autoplay: true,
     };
     let url = URL.parse(attr.src.value, window.location.href);
@@ -540,6 +541,7 @@ function EmulatorElement(options) {
 
     if (options && !options.controls) emulator.hideMenuBar();
     if (options && options.autoplay) emulator.runProgram();
+    if (options && options.nocursor) canvas.style.cursor = 'none';
 
     return emulator;
 }
@@ -1118,6 +1120,7 @@ function Bedrock(e) {
         this.paused = true;   // true when program is paused for the user.
         this.asleep = false;  // true when program is waiting for input.
         this.halted = false;  // true when program has halted.
+        this.frameLag = 0;    // time since runLoop started
     }
 
     // Reset the emulator and load in a new program.
@@ -1194,6 +1197,7 @@ function Bedrock(e) {
             let image = new ImageData(scr.pixels, scr.width, scr.height);
             scr.ctx.putImageData(image, 0, 0, scr.dx0, scr.dy0, scr.dx1, scr.dy1);
             scr.unmark();
+            this.frameLag = performance.now();
         }
     }
 
@@ -1212,12 +1216,16 @@ function Bedrock(e) {
                     default:                       // NORMAL
                 }
                 this.update();
+                // Force a render if the frame has been running for >500ms.
+                if (performance.now() - this.frameLag > 500) {
+                    this.render(); }
                 setTimeout(this.runLoop.bind(this), 0);
             }
         }
     }
 
     this.sleepLoop = () => {
+        this.frameLag = performance.now();
         if (!this.halted) {
             if (!this.asleep) {
                 setTimeout(this.runLoop.bind(this), 0);
@@ -2143,6 +2151,9 @@ function StreamDevice(br) {
             default:                                      return;
         }
     }
+    this.wake = function() {
+        return false;
+    }
 }
 
 
@@ -2171,6 +2182,9 @@ function ClipboardDevice(br) {
             default:                                      return;
         }
     }
+    this.wake = function() {
+        return false;
+    }
 
     this.readEntry = function(v) {
         this.readQueue = [];