diff --git a/SMILEBASIC/VM.d b/SMILEBASIC/VM.d
index 8c63390..11135d5 100644
--- a/SMILEBASIC/VM.d
+++ b/SMILEBASIC/VM.d
@@ -533,9 +533,6 @@ class VM
         auto bp = vm.stacki;
         vm.push(Value(vm.currentFunction));
         vm.currentFunction = func;
-        vm.push(Value(vm.currentData));
-        vm.currentData.index = 0;
-        vm.currentData.table = func.scope_.data;
         vm.push(Value(vm.bp));
         vm.pushpc;//vm.push(Value(vm.pc));
         vm.bp = bp;
@@ -1585,18 +1582,8 @@ class ReturnFunction : Code
         Value bp, pc;
         vm.poppc;//(pc);
         vm.pop(bp);
-        Value hae;
-        vm.pop(hae);
         Value cfunc;
         vm.pop(cfunc);
-        if (hae.type != ValueType.Data)
-        {
-            throw new TypeMismatch();
-        }
-        else
-        {
-            vm.currentData = hae.data;
-        }
         if (cfunc.type != ValueType.Function)
         {
             throw new TypeMismatch();
@@ -2571,6 +2558,7 @@ class Exec : Code
             vm.slots[slot].execData.backtrace = vm.traceI;
         }
         vm.setCurrentSlot(slot);
+        vm.currentData = vm.slots[slot].globalData;
         vm.pc = 0 - 1;
     }
 }
diff --git a/SMILEBASIC/compiler.d b/SMILEBASIC/compiler.d
index 84f03c9..7b84b29 100644
--- a/SMILEBASIC/compiler.d
+++ b/SMILEBASIC/compiler.d
@@ -72,20 +72,45 @@ class Scope
 }
 class DataTable
 {
-    Value[] data;
-    int[wstring] label;
-    void addData(Value data)
+    public this()
     {
-        this.data ~= data;
+        data = new Data();
     }
-    void addLabel(wstring label)
+    public this(DataTable table)
     {
-        this.label[label] = cast(int)data.length;
+        this.data = table.data;
+    }
+    public size_t length()
+    {
+        return data.data.length;
+    }
+    public Value read(size_t index)
+    {
+        return data.data[index];
+    }
+    Data data;
+    int[wstring] label;
+    public void addLabel(wstring label)
+    {
+        this.label[label] = cast(int)data.data.length;
+    }
+    public void addData(Value data)
+    {
+        this.data.addData(data);
+    }
+
+    class Data
+    {
+        Value[] data;
+        public void addData(Value data)
+        {
+            this.data ~= data;
+        }
     }
 }
 class Function
 {
-    static const frameSize = 4;
+    static const frameSize = 3;
     int address;
     wstring name;
     int argCount;
@@ -891,6 +916,7 @@ class Compiler
         auto skip = genCodeGoto();
         Function func = new Function(cast(int)this.code.length, node.name, node.returnExpr, cast(int)node.arguments.length, node.isCommon);
         Scope sc = new Scope(func);
+        sc.data = new DataTable(globalScope.data);
         foreach(wstring arg; node.arguments)
         {
             func.defineArgumentIndex(arg, this);
@@ -1364,6 +1390,10 @@ class Compiler
                 auto restore = cast(RestoreCodeS)c;
                 auto label = restore.scope_.data.label.get(restore.label, int.min);
                 if (label == int.min)
+                {
+                    label = globalScope.data.label.get(restore.label, int.min);
+                }
+                if (label == int.min)
                 {
                     code[i] = new RestoreUndefinedLabelCode(restore.label);
                 }
diff --git a/SMILEBASIC/type.d b/SMILEBASIC/type.d
index 7635f32..2ea46dc 100644
--- a/SMILEBASIC/type.d
+++ b/SMILEBASIC/type.d
@@ -28,9 +28,9 @@ struct Data
     int index;
     void read(out Value value, VM vm)
     {
-        if(index >= table.data.length)
+        if(index >= table.length)
             throw new OutOfDATA();
-        value = table.data[index];
+        value = table.read(index);
         index++;
     }
 }