diff --git a/lib/boot/object.rb b/lib/boot/object.rb
index 90e8bd15..9fe0095e 100644
--- a/lib/boot/object.rb
+++ b/lib/boot/object.rb
@@ -6,7 +6,7 @@ module Boot
       # set/get instance variable use it. 
       # This is just a placeholder, as we code this in ruby, but the instance methods need the definition before.
       def index_of context , name = Vm::Integer
-        index_function = Vm::Function.new(:index_of , Vm::Integer , [Vm::Integer] , Vm::Integer )
+        index_function = Vm::Function.new(:index_of , Vm::Reference , [Vm::Reference] , Vm::Integer )
         return index_function
       end
 
@@ -21,26 +21,29 @@ module Boot
       #     i = self.index_of(var)
       #     return at_index(i)
       #  end  
-      # The at_index is just "below" the api, somehting we need but don't want to expose, so we can't code the above in ruby
+      # The at_index is just "below" the api, something we need but don't want to expose, so we can't code the above in ruby
       def _get_instance_variable context , name = Vm::Integer
-        get_function = Vm::Function.new(:_get_instance_variable , Vm::Integer , [ Vm::Integer ] , Vm::Integer )
+        get_function = Vm::Function.new(:_get_instance_variable , Vm::Reference , [ Vm::Reference ] , Vm::Mystery )
         me = get_function.receiver
         var_name = get_function.args.first
         return_to = get_function.return_type
+
         index_function = context.object_space.get_or_create_class(:Object).resolve_function(:index_of)
         get_function.push( [me] )
-        get_function.call( index_function )
-        after_body = get_function.new_block("after_index")
+        index = get_function.call( index_function )
         
+        after_body = get_function.new_block("after_index")
         get_function.insert_at after_body
+        
         get_function.pop([me])
         return_to.at_index( get_function , me , return_to )
+        
         get_function.set_return return_to
         return get_function
       end
 
       def _set_instance_variable(context , name = Vm::Integer , value = Vm::Integer )
-        set_function = Vm::Function.new(:_set_instance_variable , Vm::Integer , [ Vm::Integer , Vm::Integer] , Vm::Integer )
+        set_function = Vm::Function.new(:_set_instance_variable , Vm::Reference ,[Vm::Reference ,Vm::Reference], Vm::Mystery )
         me = set_function.receiver
         var_name = set_function.args.first
         return_to = set_function.return_type
diff --git a/lib/vm/values/integer.rb b/lib/vm/values/integer.rb
index 555dd83c..b4564742 100644
--- a/lib/vm/values/integer.rb
+++ b/lib/vm/values/integer.rb
@@ -21,10 +21,6 @@ module Vm
       block.cmp( self ,  right )
       Vm::BranchCondition.new :lt
     end
-    def at_index block , left , right
-      block.ldr( self , left , right )
-      self
-    end
     def plus block , first , right
       block.add( self , left ,  right )
       self
@@ -41,20 +37,6 @@ module Vm
       block.cmp( self ,  right )
       Vm::BranchCondition.new :eq
     end
-    
-    def load block , right
-      if(right.is_a? IntegerConstant)
-        block.mov(  self ,  right )  #move the value
-      elsif right.is_a? StringConstant
-        block.add( self , right , nil)   #move the address, by "adding" to pc, ie pc relative
-        block.mov( Integer.new(self.register.next_reg_use) ,  right.length )  #and the length HACK TODO
-      elsif right.is_a?(Boot::BootClass) or right.is_a?(Boot::MetaClass)
-        block.add( self , right , nil)   #move the address, by "adding" to pc, ie pc relative
-      else
-        raise "unknown #{right.inspect}" 
-      end
-      self
-    end
 
     def is_true? function
       function.cmp( self ,  0 )
diff --git a/lib/vm/values/reference.rb b/lib/vm/values/reference.rb
index 35069e31..778e492f 100644
--- a/lib/vm/values/reference.rb
+++ b/lib/vm/values/reference.rb
@@ -7,5 +7,24 @@ module Vm
     end
     attr_accessor :clazz
 
+    def load block , right
+      if(right.is_a? IntegerConstant)
+        block.mov(  self ,  right )  #move the value
+      elsif right.is_a? StringConstant
+        block.add( self , right , nil)   #move the address, by "adding" to pc, ie pc relative
+        block.mov( Integer.new(self.register.next_reg_use) ,  right.length )  #and the length HACK TODO
+      elsif right.is_a?(Boot::BootClass) or right.is_a?(Boot::MetaClass)
+        block.add( self , right , nil)   #move the address, by "adding" to pc, ie pc relative
+      else
+        raise "unknown #{right.inspect}" 
+      end
+      self
+    end
+
+    def at_index block , left , right
+      block.ldr( self , left , right )
+      self
+    end
+
   end
 end