diff --git a/benchmarks/nbody.ce b/benchmarks/nbody.ce
index 7df0cf77..7eb7cf49 100644
--- a/benchmarks/nbody.ce
+++ b/benchmarks/nbody.ce
@@ -67,11 +67,11 @@ function Sun() {
 var bodies = Array(Sun(), Jupiter(), Saturn(), Uranus(), Neptune());
 
 function offsetMomentum() {
-    let px = 0;
-    let py = 0;
-    let pz = 0;
+    var px = 0;
+    var py = 0;
+    var pz = 0;
     var size = bodies.length;
-    for (let i = 0; i < size; i++) {
+    for (var i = 0; i < size; i++) {
         var body = bodies[i];
         var mass = body.mass;
         px += body.vx * mass;
@@ -88,12 +88,12 @@ function offsetMomentum() {
 function advance(dt) {
     var size = bodies.length;
 
-    for (let i = 0; i < size; i++) {
+    for (var i = 0; i < size; i++) {
         var bodyi = bodies[i];
-        let vxi = bodyi.vx;
-        let vyi = bodyi.vy;
-        let vzi = bodyi.vz;
-        for (let j = i + 1; j < size; j++) {
+        var vxi = bodyi.vx;
+        var vyi = bodyi.vy;
+        var vzi = bodyi.vz;
+        for (var j = i + 1; j < size; j++) {
             var bodyj = bodies[j];
             var dx = bodyi.x - bodyj.x;
             var dy = bodyi.y - bodyj.y;
@@ -117,7 +117,7 @@ function advance(dt) {
         bodyi.vz = vzi;
     }
 
-    for (let i = 0; i < size; i++) {
+    for (var i = 0; i < size; i++) {
         var body = bodies[i];
         body.x += dt * body.vx;
         body.y += dt * body.vy;
@@ -126,16 +126,16 @@ function advance(dt) {
 }
 
 function energy() {
-    let e = 0;
+    var e = 0;
     var size = bodies.length;
 
-    for (let i = 0; i < size; i++) {
+    for (var i = 0; i < size; i++) {
         var bodyi = bodies[i];
 
         e += 0.5 * bodyi.mass * ( bodyi.vx * bodyi.vx + 
             bodyi.vy * bodyi.vy + bodyi.vz * bodyi.vz );
 
-        for (let j = i + 1; j < size; j++) {
+        for (var j = i + 1; j < size; j++) {
             var bodyj = bodies[j];
             var dx = bodyi.x - bodyj.x;
             var dy = bodyi.y - bodyj.y;
@@ -148,14 +148,41 @@ function energy() {
     return e;
 }
 
-var n = arg[0] || 1000000
+var n = arg[0] || 100000
 
 offsetMomentum();
 
 log.console(`n = ${n}`)
 log.console(energy().toFixed(9))
-for (let i = 0; i < n; i++)
+for (var i = 0; i < n; i++)
     advance(0.01);
 log.console(energy().toFixed(9))
 
+var js = use('js')
+
+// Get function metadata
+var fn_info = js.fn_info(advance)
+log.console(`${fn_info.filename}:${fn_info.line}:${fn_info.column}: function: ${fn_info.name}`)
+
+// Display arguments
+if (fn_info.args && fn_info.args.length > 0) {
+  log.console(`  args: ${fn_info.args.join(' ')}`)
+}
+
+// Display local variables
+if (fn_info.locals && fn_info.locals.length > 0) {
+  log.console('  locals:')
+  for (var i = 0; i < fn_info.locals.length; i++) {
+    var local = fn_info.locals[i]
+    log.console(`    ${local.index}: ${local.type} ${local.name}`)
+  }
+}
+
+// Display stack size
+log.console(`  stack_size: ${fn_info.stack_size}`)
+
+// Display disassembly
+log.console(json.encode(js.disassemble(advance)))
+log.console(js.disassemble(advance).length)
+
 $_.stop()
\ No newline at end of file
diff --git a/prosperon/prosperon.ce b/prosperon/prosperon.ce
index 4c608d30..55e59c36 100644
--- a/prosperon/prosperon.ce
+++ b/prosperon/prosperon.ce
@@ -237,6 +237,8 @@ function translate_draw_commands(commands) {
             src: img.rect
           }
         })
+        
+        log.console(json.encode(renderer_commands[renderer_commands.length-1]))
         break
         
       case "draw_text":
@@ -397,8 +399,6 @@ function render_step() {
   })
 }
 
-
-
 $_.receiver(e => {
   switch(e.op) {
     case 'resolution':
diff --git a/source/qjs_sdl_video.c b/source/qjs_sdl_video.c
index 7df95f3d..687fd652 100644
--- a/source/qjs_sdl_video.c
+++ b/source/qjs_sdl_video.c
@@ -246,7 +246,7 @@ static JSValue js_window_constructor(JSContext *js, JSValueConst new_target, int
   // Handle text input
   JSValue text_input = JS_GetPropertyStr(js, opts, "textInput");
   if (JS_ToBool(js, text_input)) {
-    SDL_StartTextInput(window);
+//    SDL_StartTextInput(window);
   }
   JS_FreeValue(js, text_input);
   
@@ -1781,8 +1781,6 @@ JSC_CCALL(sdl_createWindowAndRenderer,
 #include "qjs_wota.h"
 
 JSValue js_sdl_video_use(JSContext *js) {
-  printf("initing on thread %d\n", SDL_GetThreadID(NULL));
-
   if (!SDL_Init(SDL_INIT_VIDEO))
   return JS_ThrowInternalError(js, "Unable to initialize video subsystem: %s", SDL_GetError());