diff --git a/src/rosado/processing/applet.clj b/src/rosado/processing/applet.clj
new file mode 100644
index 0000000..2b5ed8a
--- /dev/null
+++ b/src/rosado/processing/applet.clj
@@ -0,0 +1,27 @@
+(ns rosado.processing.applet
+  (:use rosado.processing)
+  (:import (java.awt Frame)))
+
+(defmacro defapplet
+  [name title setup draw width height]
+  `(do
+     (def ~name
+          (proxy [processing.core.PApplet] []
+            (setup []
+                   (binding [*applet* ~'this]
+                     (size ~width ~height)
+                     (~setup)))
+            (draw []
+                  (binding [*applet* ~'this]
+                    (~draw)))))
+     (defn ~(symbol (str "run-" name)) []
+       (.init ~name)
+       (def ~(symbol (str name "-frame")) (doto (Frame. ~title)
+                    (.setSize ~width ~height)
+                    (.add ~name)
+                    (.pack)
+                    (.show))))
+
+     (defn ~(symbol (str "stop-" name)) []
+       (.destroy ~name)
+       (.hide ~(symbol (str name "-frame"))))))