diff --git a/source/qjs_blob.c b/source/qjs_blob.c
index de020da2..d135b65f 100644
--- a/source/qjs_blob.c
+++ b/source/qjs_blob.c
@@ -195,6 +195,46 @@ static JSValue js_blob_write_number(JSContext *ctx, JSValueConst this_val,
   return JS_NULL;
 }
 
+// blob.w16(value) - write a 16-bit value (short)
+static JSValue js_blob_w16(JSContext *ctx, JSValueConst this_val,
+                           int argc, JSValueConst *argv) {
+  if (argc < 1)
+    return JS_ThrowTypeError(ctx, "w16(value) requires 1 argument");
+  
+  blob *bd = js2blob(ctx, this_val);
+  if (!bd)
+    return JS_ThrowTypeError(ctx, "w16: not called on a blob");
+  
+  int32_t value;
+  if (JS_ToInt32(ctx, &value, argv[0]) < 0) return JS_EXCEPTION;
+  
+  int16_t short_val = (int16_t)value;
+  if (blob_write_bytes(bd, &short_val, sizeof(int16_t)) < 0)
+    return JS_ThrowTypeError(ctx, "w16: cannot write to stone blob or OOM");
+  
+  return JS_NULL;
+}
+
+// blob.wf(value) - write a float (32-bit)
+static JSValue js_blob_wf(JSContext *ctx, JSValueConst this_val,
+                          int argc, JSValueConst *argv) {
+  if (argc < 1)
+    return JS_ThrowTypeError(ctx, "wf(value) requires 1 argument");
+  
+  blob *bd = js2blob(ctx, this_val);
+  if (!bd)
+    return JS_ThrowTypeError(ctx, "wf: not called on a blob");
+  
+  double d;
+  if (JS_ToFloat64(ctx, &d, argv[0]) < 0) return JS_EXCEPTION;
+  
+  float f = (float)d;
+  if (blob_write_bytes(bd, &f, sizeof(float)) < 0)
+    return JS_ThrowTypeError(ctx, "wf: cannot write to stone blob or OOM");
+  
+  return JS_NULL;
+}
+
 // blob.write_fit(value, len)
 static JSValue js_blob_write_fit(JSContext *ctx, JSValueConst this_val,
                                  int argc, JSValueConst *argv) {
@@ -471,6 +511,8 @@ static const JSCFunctionListEntry js_blob_funcs[] = {
     JS_CFUNC_DEF("write_fit", 2, js_blob_write_fit),
     JS_CFUNC_DEF("write_text", 1, js_blob_write_text),
     JS_CFUNC_DEF("write_pad", 1, js_blob_write_pad),
+    JS_CFUNC_DEF("wf", 1, js_blob_wf),
+    JS_CFUNC_DEF("w16", 1, js_blob_w16),
     
     // Read methods
     JS_CFUNC_DEF("read_logical", 1, js_blob_read_logical),
@@ -516,7 +558,7 @@ void *js_get_blob_data(JSContext *js, size_t *size, JSValue v)
   }
 
   if (b->length % 8 != 0) {
-    JS_ThrowReferenceError(js, "attempted to read data from a non-byte aligned blob");
+    JS_ThrowReferenceError(js, "attempted to read data from a non-byte aligned blob [length is %d]", b->length);
     return -1;
   }
 
diff --git a/source/quickjs.c b/source/quickjs.c
index 837ffd77..584ebd30 100644
--- a/source/quickjs.c
+++ b/source/quickjs.c
@@ -1441,8 +1441,8 @@ void JS_FreeRuntime(JSRuntime *rt)
             printf("Secondary object leaks: %d\n", count);
     }
 #endif
-    if (!list_empty(&rt->gc_obj_list))
-        printf("Object leaks!\n");
+//    if (!list_empty(&rt->gc_obj_list))
+//        printf("Object leaks!\n");
 //    assert(list_empty(&rt->gc_obj_list));
 
     /* free the classes */