diff --git a/trunk/src/com/jpexs/decompiler/flash/SWFInputStream.java b/trunk/src/com/jpexs/decompiler/flash/SWFInputStream.java
index b96bebc12..484e66820 100644
--- a/trunk/src/com/jpexs/decompiler/flash/SWFInputStream.java
+++ b/trunk/src/com/jpexs/decompiler/flash/SWFInputStream.java
@@ -1021,7 +1021,14 @@ public class SWFInputStream extends InputStream {
                             if ((a instanceof ActionStoreRegister) && stack.isEmpty()) {
                                 stack.push(new DirectValueActionItem(null, 0, new Null(), new ArrayList<String>()));
                             }
-                            a.translate(localData, stack, output, Graph.SOP_USE_STATIC/*Graph.SOP_SKIP_STATIC*/, path);
+                            List<Object> localData2 = (List<Object>) Helper.deepCopy(localData);
+                            HashMap<String, GraphTargetItem> vars = (HashMap<String, GraphTargetItem>) localData.get(1);
+                            for (int r = 0; r < 256; r++) {
+                                if (vars.containsKey("__register" + r)) {
+                                    vars.remove("__register" + r);
+                                }
+                            }
+                            a.translate(localData2, stack, output, Graph.SOP_USE_STATIC/*Graph.SOP_SKIP_STATIC*/, path);
                         }
                     }
                 } catch (RuntimeException ex) {
diff --git a/trunk/src/com/jpexs/decompiler/flash/abc/avm2/model/AVM2Item.java b/trunk/src/com/jpexs/decompiler/flash/abc/avm2/model/AVM2Item.java
index 83ae483d5..efd739b02 100644
--- a/trunk/src/com/jpexs/decompiler/flash/abc/avm2/model/AVM2Item.java
+++ b/trunk/src/com/jpexs/decompiler/flash/abc/avm2/model/AVM2Item.java
@@ -22,6 +22,7 @@ import com.jpexs.decompiler.graph.GraphSourceItem;
 import com.jpexs.decompiler.graph.GraphTargetItem;
 import com.jpexs.decompiler.flash.helpers.Helper;
 import com.jpexs.decompiler.flash.helpers.Highlighting;
+import java.io.Serializable;
 import java.util.HashMap;
 import java.util.List;
 
@@ -55,24 +56,6 @@ public abstract class AVM2Item extends GraphTargetItem {
         return true;
     }
 
-    /*public String hilight(String str) {
-     if (instruction == null) {
-     return str;
-     }
-     if (instruction.mappedOffset >= 0) {
-     return Highlighting.hilighOffset(str, instruction.mappedOffset);
-     } else {
-     return Highlighting.hilighOffset(str, instruction.offset);
-     }
-     }*/
-    public boolean isFalse() {
-        return false;
-    }
-
-    public boolean isTrue() {
-        return false;
-    }
-
     protected String formatProperty(ConstantPool constants, GraphTargetItem object, GraphTargetItem propertyName, HashMap<Integer, String> localRegNames, List<String> fullyQualifiedNames) {
         String obStr = object.toString(Helper.toList(constants, localRegNames, fullyQualifiedNames));
         if (object.precedence > PRECEDENCE_PRIMARY) {
diff --git a/trunk/src/com/jpexs/decompiler/flash/abc/avm2/model/BooleanAVM2Item.java b/trunk/src/com/jpexs/decompiler/flash/abc/avm2/model/BooleanAVM2Item.java
index 2aace08cf..ef16aff93 100644
--- a/trunk/src/com/jpexs/decompiler/flash/abc/avm2/model/BooleanAVM2Item.java
+++ b/trunk/src/com/jpexs/decompiler/flash/abc/avm2/model/BooleanAVM2Item.java
@@ -35,16 +35,6 @@ public class BooleanAVM2Item extends AVM2Item {
         return value.toString();
     }
 
-    @Override
-    public boolean isFalse() {
-        return value == false;
-    }
-
-    @Override
-    public boolean isTrue() {
-        return value == true;
-    }
-
     @Override
     public Object getResult() {
         return value;
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/Action.java b/trunk/src/com/jpexs/decompiler/flash/action/Action.java
index e8b49ff98..74c97f7a8 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/Action.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/Action.java
@@ -131,6 +131,9 @@ public class Action implements GraphSourceItem {
         this.actionLength = actionLength;
     }
 
+    public Action() {
+    }
+
     /**
      * Returns address of this action
      *
@@ -853,6 +856,12 @@ public class Action implements GraphSourceItem {
                 long endAddr = action.getAddress() + cnt.getHeaderSize();
                 String cntName = cnt.getName();
                 List<List<GraphTargetItem>> outs = new ArrayList<>();
+                HashMap<String, GraphTargetItem> variables2 = (HashMap<String, GraphTargetItem>) Helper.deepCopy(variables);
+                for (int r = 0; r < 256; r++) {
+                    if (variables2.containsKey("__register" + r)) {
+                        variables2.remove("__register" + r);
+                    }
+                }
                 for (long size : cnt.getContainerSizes()) {
                     if (size == 0) {
                         outs.add(new ArrayList<GraphTargetItem>());
@@ -860,7 +869,7 @@ public class Action implements GraphSourceItem {
                     }
                     List<GraphTargetItem> out;
                     try {
-                        out = ActionGraph.translateViaGraph(cnt.getRegNames(), variables, functions, actions.subList(adr2ip(actions, endAddr, version), adr2ip(actions, endAddr + size, version)), version, staticOperation, path + (cntName == null ? "" : "/" + cntName));
+                        out = ActionGraph.translateViaGraph(cnt.getRegNames(), variables2, functions, actions.subList(adr2ip(actions, endAddr, version), adr2ip(actions, endAddr + size, version)), version, staticOperation, path + (cntName == null ? "" : "/" + cntName));
                     } catch (Exception | OutOfMemoryError | StackOverflowError ex2) {
                         Logger.getLogger(Action.class.getName()).log(Level.SEVERE, "Decompilation error", ex2);
                         if (ex2 instanceof OutOfMemoryError) {
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/model/ActionItem.java b/trunk/src/com/jpexs/decompiler/flash/action/model/ActionItem.java
index c0d90efae..20a84fa13 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/model/ActionItem.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/model/ActionItem.java
@@ -20,11 +20,17 @@ import com.jpexs.decompiler.flash.action.swf4.ActionPop;
 import com.jpexs.decompiler.flash.action.swf4.ActionPush;
 import com.jpexs.decompiler.graph.GraphSourceItem;
 import com.jpexs.decompiler.graph.GraphTargetItem;
+import static com.jpexs.decompiler.graph.GraphTargetItem.PRECEDENCE_PRIMARY;
 import com.jpexs.decompiler.graph.SourceGenerator;
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
-public abstract class ActionItem extends GraphTargetItem {
+public abstract class ActionItem extends GraphTargetItem implements Serializable {
+
+    public ActionItem() {
+        super(null, NOPRECEDENCE);
+    }
 
     public ActionItem(GraphSourceItem instruction, int precedence) {
         super(instruction, precedence);
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/model/DirectValueActionItem.java b/trunk/src/com/jpexs/decompiler/flash/action/model/DirectValueActionItem.java
index 97e92a356..088f584be 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/model/DirectValueActionItem.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/model/DirectValueActionItem.java
@@ -143,6 +143,9 @@ public class DirectValueActionItem extends ActionItem {
         if (value instanceof ConstantIndex) {
             return hilight("\"" + Helper.escapeString(this.constants.get(((ConstantIndex) value).index)) + "\"");
         }
+        if (value instanceof RegisterNumber) {
+            return hilight(((RegisterNumber) value).translate());
+        }
         return hilight(value.toString());
     }
 
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/model/FunctionActionItem.java b/trunk/src/com/jpexs/decompiler/flash/action/model/FunctionActionItem.java
index 67c3c5ba0..9661eda8f 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/model/FunctionActionItem.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/model/FunctionActionItem.java
@@ -49,6 +49,10 @@ public class FunctionActionItem extends ActionItem {
     public static final int REGISTER_PARENT = 5;
     public static final int REGISTER_GLOBAL = 6;
 
+    public FunctionActionItem() {
+        super(null, PRECEDENCE_PRIMARY);
+    }
+
     public FunctionActionItem(GraphSourceItem instruction, String functionName, List<String> paramNames, List<GraphTargetItem> actions, List<String> constants, int regStart) {
         super(instruction, PRECEDENCE_PRIMARY);
         this.actions = actions;
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/model/StoreRegisterActionItem.java b/trunk/src/com/jpexs/decompiler/flash/action/model/StoreRegisterActionItem.java
index f6320cb78..eacdae1b9 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/model/StoreRegisterActionItem.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/model/StoreRegisterActionItem.java
@@ -65,7 +65,7 @@ public class StoreRegisterActionItem extends ActionItem implements SetTypeAction
 
     @Override
     public String toString(ConstantPool constants) {
-        return (define ? hilight("var ") : "") + hilight(register.toString() + "=") + value.toString(constants);
+        return (define ? hilight("var ") : "") + hilight(register.translate() + "=") + value.toString(constants);
     }
 
     @Override
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/swf4/ConstantIndex.java b/trunk/src/com/jpexs/decompiler/flash/action/swf4/ConstantIndex.java
index ff7ae79fa..1191d4f1f 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/swf4/ConstantIndex.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/swf4/ConstantIndex.java
@@ -18,10 +18,11 @@ package com.jpexs.decompiler.flash.action.swf4;
 
 import com.jpexs.decompiler.flash.Configuration;
 import com.jpexs.decompiler.flash.helpers.Helper;
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
-public class ConstantIndex {
+public class ConstantIndex implements Serializable {
 
     public int index;
     public List<String> constantPool;
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/swf4/RegisterNumber.java b/trunk/src/com/jpexs/decompiler/flash/action/swf4/RegisterNumber.java
index fb023c3d1..258be8d07 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/swf4/RegisterNumber.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/swf4/RegisterNumber.java
@@ -16,7 +16,9 @@
  */
 package com.jpexs.decompiler.flash.action.swf4;
 
-public class RegisterNumber {
+import java.io.Serializable;
+
+public class RegisterNumber implements Serializable {
 
     public int number;
     public String name = null;
@@ -58,4 +60,11 @@ public class RegisterNumber {
     public String toStringNoName() {
         return "register" + number;
     }
+
+    public String translate() {
+        if (name == null || name.trim().equals("")) {
+            return "_loc" + number + "_";
+        }
+        return name;
+    }
 }
diff --git a/trunk/src/com/jpexs/decompiler/flash/action/swf5/ActionStoreRegister.java b/trunk/src/com/jpexs/decompiler/flash/action/swf5/ActionStoreRegister.java
index b2b9b4f69..50e56d4a8 100644
--- a/trunk/src/com/jpexs/decompiler/flash/action/swf5/ActionStoreRegister.java
+++ b/trunk/src/com/jpexs/decompiler/flash/action/swf5/ActionStoreRegister.java
@@ -81,6 +81,9 @@ public class ActionStoreRegister extends Action {
         }
         value.moreSrc.add(new GraphSourceItemPos(this, 0));
         boolean define = !variables.containsKey("__register" + registerNumber);
+        if (regNames.containsKey(registerNumber)) {
+            define = false;
+        }
         variables.put("__register" + registerNumber, value);
         if (value instanceof DirectValueActionItem) {
             if (((DirectValueActionItem) value).value instanceof RegisterNumber) {
diff --git a/trunk/src/com/jpexs/decompiler/flash/ecma/Null.java b/trunk/src/com/jpexs/decompiler/flash/ecma/Null.java
index 0aad7af44..181deb283 100644
--- a/trunk/src/com/jpexs/decompiler/flash/ecma/Null.java
+++ b/trunk/src/com/jpexs/decompiler/flash/ecma/Null.java
@@ -16,7 +16,9 @@
  */
 package com.jpexs.decompiler.flash.ecma;
 
-public class Null {
+import java.io.Serializable;
+
+public class Null implements Serializable {
 
     @Override
     public String toString() {
diff --git a/trunk/src/com/jpexs/decompiler/flash/ecma/Undefined.java b/trunk/src/com/jpexs/decompiler/flash/ecma/Undefined.java
index 541130a09..a29aa31de 100644
--- a/trunk/src/com/jpexs/decompiler/flash/ecma/Undefined.java
+++ b/trunk/src/com/jpexs/decompiler/flash/ecma/Undefined.java
@@ -16,7 +16,9 @@
  */
 package com.jpexs.decompiler.flash.ecma;
 
-public class Undefined {
+import java.io.Serializable;
+
+public class Undefined implements Serializable {
 
     @Override
     public String toString() {
diff --git a/trunk/src/com/jpexs/decompiler/flash/helpers/Helper.java b/trunk/src/com/jpexs/decompiler/flash/helpers/Helper.java
index 29a9b187e..3aaa014d8 100644
--- a/trunk/src/com/jpexs/decompiler/flash/helpers/Helper.java
+++ b/trunk/src/com/jpexs/decompiler/flash/helpers/Helper.java
@@ -310,6 +310,7 @@ public class Helper {
             }
             return copy;
         } catch (Exception ex) {
+            Logger.getLogger(Helper.class.getName()).log(Level.SEVERE, "Copy error", ex);
             return null;
         }
     }
diff --git a/trunk/src/com/jpexs/decompiler/graph/Block.java b/trunk/src/com/jpexs/decompiler/graph/Block.java
index f6454c402..c329347fc 100644
--- a/trunk/src/com/jpexs/decompiler/graph/Block.java
+++ b/trunk/src/com/jpexs/decompiler/graph/Block.java
@@ -17,6 +17,7 @@
 package com.jpexs.decompiler.graph;
 
 import com.jpexs.decompiler.graph.model.ContinueItem;
+import java.io.Serializable;
 import java.util.List;
 
 public interface Block {
diff --git a/trunk/src/com/jpexs/decompiler/graph/GraphPart.java b/trunk/src/com/jpexs/decompiler/graph/GraphPart.java
index d596fda28..6013fc433 100644
--- a/trunk/src/com/jpexs/decompiler/graph/GraphPart.java
+++ b/trunk/src/com/jpexs/decompiler/graph/GraphPart.java
@@ -16,6 +16,7 @@
  */
 package com.jpexs.decompiler.graph;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -23,7 +24,7 @@ import java.util.List;
  *
  * @author JPEXS
  */
-public class GraphPart {
+public class GraphPart implements Serializable {
 
     public int start = 0;
     public int end = 0;
diff --git a/trunk/src/com/jpexs/decompiler/graph/GraphPath.java b/trunk/src/com/jpexs/decompiler/graph/GraphPath.java
index 9feda02be..fbd46175c 100644
--- a/trunk/src/com/jpexs/decompiler/graph/GraphPath.java
+++ b/trunk/src/com/jpexs/decompiler/graph/GraphPath.java
@@ -16,6 +16,7 @@
  */
 package com.jpexs.decompiler.graph;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -23,7 +24,7 @@ import java.util.List;
  *
  * @author JPEXS
  */
-public class GraphPath {
+public class GraphPath implements Serializable {
 
     private List<Integer> keys = new ArrayList<>();
     private List<Integer> vals = new ArrayList<>();
diff --git a/trunk/src/com/jpexs/decompiler/graph/GraphSource.java b/trunk/src/com/jpexs/decompiler/graph/GraphSource.java
index 7f9ca28e4..ee5e3eb38 100644
--- a/trunk/src/com/jpexs/decompiler/graph/GraphSource.java
+++ b/trunk/src/com/jpexs/decompiler/graph/GraphSource.java
@@ -17,6 +17,7 @@
 package com.jpexs.decompiler.graph;
 
 import com.jpexs.decompiler.flash.action.Action;
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -26,7 +27,7 @@ import java.util.Stack;
  *
  * @author JPEXS
  */
-public abstract class GraphSource {
+public abstract class GraphSource implements Serializable {
 
     public abstract int size();
 
diff --git a/trunk/src/com/jpexs/decompiler/graph/GraphSourceItem.java b/trunk/src/com/jpexs/decompiler/graph/GraphSourceItem.java
index 250179680..024b9f51d 100644
--- a/trunk/src/com/jpexs/decompiler/graph/GraphSourceItem.java
+++ b/trunk/src/com/jpexs/decompiler/graph/GraphSourceItem.java
@@ -16,6 +16,7 @@
  */
 package com.jpexs.decompiler.graph;
 
+import java.io.Serializable;
 import java.util.List;
 import java.util.Stack;
 
@@ -23,7 +24,7 @@ import java.util.Stack;
  *
  * @author JPEXS
  */
-public interface GraphSourceItem {
+public interface GraphSourceItem extends Serializable {
 
     public void translate(List<Object> localData, Stack<GraphTargetItem> stack, List<GraphTargetItem> output, int staticOperation, String path);
 
diff --git a/trunk/src/com/jpexs/decompiler/graph/GraphSourceItemPos.java b/trunk/src/com/jpexs/decompiler/graph/GraphSourceItemPos.java
index 0d5826a1d..06caf3539 100644
--- a/trunk/src/com/jpexs/decompiler/graph/GraphSourceItemPos.java
+++ b/trunk/src/com/jpexs/decompiler/graph/GraphSourceItemPos.java
@@ -16,11 +16,13 @@
  */
 package com.jpexs.decompiler.graph;
 
+import java.io.Serializable;
+
 /**
  *
  * @author JPEXS
  */
-public class GraphSourceItemPos {
+public class GraphSourceItemPos implements Serializable {
 
     public GraphSourceItem item;
     public int pos;
diff --git a/trunk/src/com/jpexs/decompiler/graph/GraphTargetItem.java b/trunk/src/com/jpexs/decompiler/graph/GraphTargetItem.java
index bf16e3c69..f08013df8 100644
--- a/trunk/src/com/jpexs/decompiler/graph/GraphTargetItem.java
+++ b/trunk/src/com/jpexs/decompiler/graph/GraphTargetItem.java
@@ -18,6 +18,7 @@ package com.jpexs.decompiler.graph;
 
 import com.jpexs.decompiler.graph.model.BinaryOp;
 import com.jpexs.decompiler.flash.helpers.Highlighting;
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -25,7 +26,7 @@ import java.util.List;
  *
  * @author JPEXS
  */
-public abstract class GraphTargetItem {
+public abstract class GraphTargetItem implements Serializable {
 
     public static final int PRECEDENCE_PRIMARY = 0;
     public static final int PRECEDENCE_POSTFIX = 1;
@@ -62,6 +63,10 @@ public abstract class GraphTargetItem {
         return ret;
     }
 
+    public GraphTargetItem() {
+        this(null, NOPRECEDENCE);
+    }
+
     public GraphTargetItem(GraphSourceItem src, int precedence) {
         this.src = src;
         this.precedence = precedence;
diff --git a/trunk/src/com/jpexs/decompiler/graph/Loop.java b/trunk/src/com/jpexs/decompiler/graph/Loop.java
index e2e01ef83..94176216c 100644
--- a/trunk/src/com/jpexs/decompiler/graph/Loop.java
+++ b/trunk/src/com/jpexs/decompiler/graph/Loop.java
@@ -16,6 +16,7 @@
  */
 package com.jpexs.decompiler.graph;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -23,7 +24,7 @@ import java.util.List;
  *
  * @author JPEXS
  */
-public class Loop {
+public class Loop implements Serializable {
 
     public GraphPart loopContinue;
     public GraphPart loopBreak;