diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/Action.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/Action.java
index 8a60834cb..abb457414 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/Action.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/Action.java
@@ -698,6 +698,11 @@ public abstract class Action implements GraphSourceItem {
         return toString();
     }
 
+    public boolean execute(LocalDataArea lda) {
+        //throw new UnsupportedOperationException("Action " + toString() + " not implemented");
+        return false;
+    }
+
     /**
      * Translates this function to stack and output.
      *
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/LocalDataArea.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/LocalDataArea.java
new file mode 100644
index 000000000..2dc527f0e
--- /dev/null
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/LocalDataArea.java
@@ -0,0 +1,50 @@
+/*
+ *  Copyright (C) 2010-2015 JPEXS, All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3.0 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.
+ */
+package com.jpexs.decompiler.flash.action;
+
+import com.jpexs.decompiler.flash.ecma.EcmaScript;
+import java.util.HashMap;
+import java.util.Stack;
+
+public class LocalDataArea {
+
+    public Stack<Object> stack = new Stack<>();
+
+    public HashMap<String, Object> localVariables = new HashMap<>();
+
+    public Long jump;
+
+    public Object returnValue;
+
+    public String executionException;
+
+    public void clear() {
+        stack.clear();
+        localVariables.clear();
+        jump = null;
+        returnValue = null;
+        executionException = null;
+    }
+
+    public Object pop() {
+        return stack.pop();
+    }
+
+    public Double popAsNumber() {
+        return EcmaScript.toNumber(stack.pop());
+    }
+}
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/AsciiToCharActionItem.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/AsciiToCharActionItem.java
index 4a7f71f8c..432aa92f7 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/AsciiToCharActionItem.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/AsciiToCharActionItem.java
@@ -51,12 +51,7 @@ public class AsciiToCharActionItem extends ActionItem {
 
     @Override
     public Object getResult() {
-        int res = (int) (double) (value.getResultAsNumber());
-        if (res == 0) {
-            return "";
-        }
-
-        return ((Character) (char) res).toString();
+        return ActionAsciiToChar.getResult(value.getResultAsNumber());
     }
 
     @Override
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/TypeOfActionItem.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/TypeOfActionItem.java
index 8b71de962..3da1f4038 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/TypeOfActionItem.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/TypeOfActionItem.java
@@ -18,8 +18,6 @@ package com.jpexs.decompiler.flash.action.model;
 
 import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
 import com.jpexs.decompiler.flash.action.swf5.ActionTypeOf;
-import com.jpexs.decompiler.flash.ecma.EcmaScript;
-import com.jpexs.decompiler.flash.ecma.EcmaType;
 import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
 import com.jpexs.decompiler.graph.CompilationException;
 import com.jpexs.decompiler.graph.GraphSourceItem;
@@ -53,24 +51,7 @@ public class TypeOfActionItem extends ActionItem {
 
     @Override
     public Object getResult() {
-        Object res = value.getResult();
-        EcmaType type = EcmaScript.type(res);
-        switch (type) {
-            case STRING:
-                return "string";
-            case BOOLEAN:
-                return "boolean";
-            case NUMBER:
-                return "number";
-            case OBJECT:
-                return "object";
-            case UNDEFINED:
-                return "undefined";
-            case NULL:
-                return "null";
-        }
-        //TODO: function,movieclip
-        return "object";
+        return ActionTypeOf.getResult(value.getResult());
     }
 
     @Override
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/operations/StringAddActionItem.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/operations/StringAddActionItem.java
index 35394e840..6f9ed0c96 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/operations/StringAddActionItem.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/model/operations/StringAddActionItem.java
@@ -18,7 +18,6 @@ package com.jpexs.decompiler.flash.action.model.operations;
 
 import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
 import com.jpexs.decompiler.flash.action.swf4.ActionStringAdd;
-import com.jpexs.decompiler.flash.ecma.EcmaScript;
 import com.jpexs.decompiler.graph.CompilationException;
 import com.jpexs.decompiler.graph.GraphSourceItem;
 import com.jpexs.decompiler.graph.GraphTargetItem;
@@ -41,7 +40,7 @@ public class StringAddActionItem extends BinaryOpItem {
 
     @Override
     public Object getResult() {
-        return EcmaScript.toString(leftSide.getResult()) + EcmaScript.toString(rightSide.getResult());
+        return ActionStringAdd.getResult(leftSide.getResult(), rightSide.getResult());
     }
 
     @Override
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionAsciiToChar.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionAsciiToChar.java
index 724bda0f5..7e877dfc8 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionAsciiToChar.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionAsciiToChar.java
@@ -18,6 +18,7 @@ package com.jpexs.decompiler.flash.action.swf4;
 
 import com.jpexs.decompiler.flash.BaseLocalData;
 import com.jpexs.decompiler.flash.action.Action;
+import com.jpexs.decompiler.flash.action.LocalDataArea;
 import com.jpexs.decompiler.flash.action.model.AsciiToCharActionItem;
 import com.jpexs.decompiler.graph.GraphTargetItem;
 import com.jpexs.decompiler.graph.TranslateStack;
@@ -35,6 +36,25 @@ public class ActionAsciiToChar extends Action {
         return "AsciiToChar";
     }
 
+    @Override
+    public boolean execute(LocalDataArea lda) {
+        if (lda.stack.size() == 0) {
+            return false;
+        }
+
+        lda.stack.push(getResult(lda.popAsNumber()));
+        return true;
+    }
+
+    public static String getResult(Double ascii) {
+        int res = (int) (double) ascii;
+        if (res == 0) {
+            return "";
+        }
+
+        return ((Character) (char) res).toString();
+    }
+
     @Override
     public void translate(TranslateStack stack, List<GraphTargetItem> output, HashMap<Integer, String> regNames, HashMap<String, GraphTargetItem> variables, HashMap<String, GraphTargetItem> functions, int staticOperation, String path) {
         GraphTargetItem a = stack.pop();
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionPush.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionPush.java
index e961569b0..86a0945ae 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionPush.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionPush.java
@@ -22,6 +22,7 @@ import com.jpexs.decompiler.flash.SWFInputStream;
 import com.jpexs.decompiler.flash.SWFOutputStream;
 import com.jpexs.decompiler.flash.action.Action;
 import com.jpexs.decompiler.flash.action.ActionList;
+import com.jpexs.decompiler.flash.action.LocalDataArea;
 import com.jpexs.decompiler.flash.action.model.DirectValueActionItem;
 import com.jpexs.decompiler.flash.action.model.TemporaryRegister;
 import com.jpexs.decompiler.flash.action.parser.ActionParseException;
@@ -373,6 +374,15 @@ public class ActionPush extends Action {
         return writer;
     }
 
+    @Override
+    public boolean execute(LocalDataArea lda) {
+        for (Object value : values) {
+            lda.stack.push(value);
+        }
+
+        return true;
+    }
+
     @Override
     public void translate(TranslateStack stack, List<GraphTargetItem> output, HashMap<Integer, String> regNames, HashMap<String, GraphTargetItem> variables, HashMap<String, GraphTargetItem> functions, int staticOperation, String path) {
         int pos = 0;
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionStringAdd.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionStringAdd.java
index 37b4b7352..016f0d216 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionStringAdd.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf4/ActionStringAdd.java
@@ -18,7 +18,9 @@ package com.jpexs.decompiler.flash.action.swf4;
 
 import com.jpexs.decompiler.flash.BaseLocalData;
 import com.jpexs.decompiler.flash.action.Action;
+import com.jpexs.decompiler.flash.action.LocalDataArea;
 import com.jpexs.decompiler.flash.action.model.operations.StringAddActionItem;
+import com.jpexs.decompiler.flash.ecma.EcmaScript;
 import com.jpexs.decompiler.graph.GraphTargetItem;
 import com.jpexs.decompiler.graph.TranslateStack;
 import java.util.HashMap;
@@ -35,6 +37,20 @@ public class ActionStringAdd extends Action {
         return "StringAdd";
     }
 
+    @Override
+    public boolean execute(LocalDataArea lda) {
+        if (lda.stack.size() < 2) {
+            return false;
+        }
+
+        lda.stack.push(getResult(lda.pop(), lda.pop()));
+        return true;
+    }
+
+    public static String getResult(Object obj1, Object obj2) {
+        return EcmaScript.toString(obj1) + EcmaScript.toString(obj2);
+    }
+
     @Override
     public void translate(TranslateStack stack, List<GraphTargetItem> output, HashMap<Integer, String> regNames, HashMap<String, GraphTargetItem> variables, HashMap<String, GraphTargetItem> functions, int staticOperation, String path) {
         GraphTargetItem a = stack.pop();
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionPushDuplicate.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionPushDuplicate.java
index 7ee61818f..9778b971a 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionPushDuplicate.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionPushDuplicate.java
@@ -18,6 +18,7 @@ package com.jpexs.decompiler.flash.action.swf5;
 
 import com.jpexs.decompiler.flash.BaseLocalData;
 import com.jpexs.decompiler.flash.action.Action;
+import com.jpexs.decompiler.flash.action.LocalDataArea;
 import com.jpexs.decompiler.graph.GraphSourceItemPos;
 import com.jpexs.decompiler.graph.GraphTargetItem;
 import com.jpexs.decompiler.graph.TranslateStack;
@@ -36,6 +37,16 @@ public class ActionPushDuplicate extends Action {
         return "PushDuplicate";
     }
 
+    @Override
+    public boolean execute(LocalDataArea lda) {
+        if (lda.stack.size() == 0) {
+            return false;
+        }
+
+        lda.stack.push(lda.stack.peek());
+        return true;
+    }
+
     @Override
     public void translate(TranslateStack stack, List<GraphTargetItem> output, HashMap<Integer, String> regNames, HashMap<String, GraphTargetItem> variables, HashMap<String, GraphTargetItem> functions, int staticOperation, String path) {
         GraphTargetItem value = stack.peek();
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionStackSwap.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionStackSwap.java
index 579850203..9ad440683 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionStackSwap.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionStackSwap.java
@@ -18,6 +18,7 @@ package com.jpexs.decompiler.flash.action.swf5;
 
 import com.jpexs.decompiler.flash.BaseLocalData;
 import com.jpexs.decompiler.flash.action.Action;
+import com.jpexs.decompiler.flash.action.LocalDataArea;
 import com.jpexs.decompiler.graph.GraphSourceItemPos;
 import com.jpexs.decompiler.graph.GraphTargetItem;
 import com.jpexs.decompiler.graph.TranslateStack;
@@ -35,6 +36,19 @@ public class ActionStackSwap extends Action {
         return "StackSwap";
     }
 
+    @Override
+    public boolean execute(LocalDataArea lda) {
+        if (lda.stack.size() < 2) {
+            return false;
+        }
+
+        Object obj1 = lda.stack.pop();
+        Object obj2 = lda.stack.pop();
+        lda.stack.push(obj1);
+        lda.stack.push(obj2);
+        return true;
+    }
+
     @Override
     public void translate(TranslateStack stack, List<GraphTargetItem> output, HashMap<Integer, String> regNames, HashMap<String, GraphTargetItem> variables, HashMap<String, GraphTargetItem> functions, int staticOperation, String path) {
         GraphTargetItem a = stack.pop();
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionTypeOf.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionTypeOf.java
index b7299c3be..031be737f 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionTypeOf.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/swf5/ActionTypeOf.java
@@ -18,7 +18,10 @@ package com.jpexs.decompiler.flash.action.swf5;
 
 import com.jpexs.decompiler.flash.BaseLocalData;
 import com.jpexs.decompiler.flash.action.Action;
+import com.jpexs.decompiler.flash.action.LocalDataArea;
 import com.jpexs.decompiler.flash.action.model.TypeOfActionItem;
+import com.jpexs.decompiler.flash.ecma.EcmaScript;
+import com.jpexs.decompiler.flash.ecma.EcmaType;
 import com.jpexs.decompiler.graph.GraphTargetItem;
 import com.jpexs.decompiler.graph.TranslateStack;
 import java.util.HashMap;
@@ -35,6 +38,37 @@ public class ActionTypeOf extends Action {
         return "TypeOf";
     }
 
+    @Override
+    public boolean execute(LocalDataArea lda) {
+        if (lda.stack.size() == 0) {
+            return false;
+        }
+
+        lda.stack.push(getResult(lda.pop()));
+        return true;
+    }
+
+    public static String getResult(Object obj) {
+        Object res = obj;
+        EcmaType type = EcmaScript.type(res);
+        switch (type) {
+            case STRING:
+                return "string";
+            case BOOLEAN:
+                return "boolean";
+            case NUMBER:
+                return "number";
+            case OBJECT:
+                return "object";
+            case UNDEFINED:
+                return "undefined";
+            case NULL:
+                return "null";
+        }
+        //TODO: function,movieclip
+        return "object";
+    }
+
     @Override
     public void translate(TranslateStack stack, List<GraphTargetItem> output, HashMap<Integer, String> regNames, HashMap<String, GraphTargetItem> variables, HashMap<String, GraphTargetItem> functions, int staticOperation, String path) {
         GraphTargetItem object = stack.pop();
diff --git a/test/com/jpexs/decompiler/flash/gui/FlashPlayerTest.java b/test/com/jpexs/decompiler/flash/gui/FlashPlayerTest.java
index d07cc7980..2dfaf037b 100644
--- a/test/com/jpexs/decompiler/flash/gui/FlashPlayerTest.java
+++ b/test/com/jpexs/decompiler/flash/gui/FlashPlayerTest.java
@@ -25,6 +25,7 @@ import com.jpexs.decompiler.flash.abc.types.MethodBody;
 import com.jpexs.decompiler.flash.action.Action;
 import com.jpexs.decompiler.flash.action.ActionList;
 import com.jpexs.decompiler.flash.action.ActionLocalData;
+import com.jpexs.decompiler.flash.action.LocalDataArea;
 import com.jpexs.decompiler.flash.action.deobfuscation.FixItemCounterTranslateStack;
 import com.jpexs.decompiler.flash.action.swf4.ActionAdd;
 import com.jpexs.decompiler.flash.action.swf4.ActionAnd;
@@ -92,6 +93,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Random;
 import org.testng.Assert;
+import static org.testng.Assert.fail;
 
 /**
  *
@@ -274,6 +276,16 @@ public class FlashPlayerTest {
                 Object ffdecResult = stack.pop().getResult();
                 System.out.println("FFDec result: " + ffdecResult);
 
+                LocalDataArea lda = new LocalDataArea();
+                for (Action a : newActions) {
+                    if (!a.execute(lda)) {
+                        fail();
+                    }
+                }
+
+                Object ffdecExecuteResult = lda.stack.pop();
+                System.out.println("FFDec execte result: " + ffdecExecuteResult);
+
                 asm.setActions(actions);
                 asm.setModified();
                 try (OutputStream fos = new BufferedOutputStream(new FileOutputStream(f2))) {
@@ -307,8 +319,10 @@ public class FlashPlayerTest {
 
                 if (checkOnlyStart) {
                     Assert.assertTrue(((String) ffdecResult).startsWith(flashResult));
+                    Assert.assertTrue(((String) ffdecExecuteResult).startsWith(flashResult));
                 } else {
                     Assert.assertEquals(ffdecResult, flashResult);
+                    Assert.assertEquals(ffdecExecuteResult, flashResult);
                 }
 
                 f2.delete();