diff --git a/lib/register/boot.rb b/lib/register/boot.rb
index 8462b68a..1a4ab303 100644
--- a/lib/register/boot.rb
+++ b/lib/register/boot.rb
@@ -117,7 +117,7 @@ module Register
           :List => {:indexed_length => :Integer} ,
           :Message => { :next_message => :Message, :receiver => :Object, :locals => :NamedList ,
                         :return_address => :Integer, :return_value => :Integer,
-                        :caller => :Message , :name => :Word , :indexed_length => :Integer },
+                        :caller => :Message , :name => :Word , :arguments => :NamedList },
           :MetaClass => {:object => :Object},
           :Integer => {},
           :Object => {},
diff --git a/lib/register/builtin/compile_helper.rb b/lib/register/builtin/compile_helper.rb
index 79819415..63a1ef08 100644
--- a/lib/register/builtin/compile_helper.rb
+++ b/lib/register/builtin/compile_helper.rb
@@ -3,12 +3,12 @@ module Register
   module Builtin
     module CompileHelper
 
-      def self_and_arg(compiler , source)
+      def self_and_int_arg(compiler , source)
         #Load self by "calling" on_name
         me = compiler.process( Typed::Tree::NameExpression.new( :self) )
         # Load the argument
         index = compiler.use_reg :Integer
-        compiler.add_code Register.get_slot(source , :message , Parfait::Message.get_indexed(1), index )
+        compiler.add_code Register.get_slot(source , :message , 1 , index )
         return me , index
       end
 
@@ -18,9 +18,9 @@ module Register
       end
 
       # Load the value
-      def do_load(compiler, source)
+      def load_arg_at(compiler, source , at)
         value = compiler.use_reg :Integer
-        compiler.add_code Register.get_slot(source , :message , Parfait::Message.get_indexed(2), value )
+        compiler.add_code Register.get_slot(source , :message , at , value )
         value
       end
 
diff --git a/lib/register/builtin/object.rb b/lib/register/builtin/object.rb
index 9133f9f8..b0b20201 100644
--- a/lib/register/builtin/object.rb
+++ b/lib/register/builtin/object.rb
@@ -12,7 +12,7 @@ module Register
         def get_internal_word context
           compiler = compiler_for(:Object , :get_internal_word )
           source = "get_internal_word"
-          me , index = self_and_arg(compiler,source)
+          me , index = self_and_int_arg(compiler,source)
           # reduce me to me[index]
           compiler.add_code  GetSlot.new( source , me , index , me)
           # and put it back into the return value
@@ -25,8 +25,8 @@ module Register
         def set_internal_word context
           compiler = compiler_for(:Object , :set_internal_word , {:value => :Object} )
           source = "set_internal_word"
-          me , index = self_and_arg(compiler,source)
-          value = do_load(compiler,source)
+          me , index = self_and_int_arg(compiler,source)
+          value = load_arg_at(compiler,source , 2)
 
           # do the set
           compiler.add_code SetSlot.new( source , value , me , index)
diff --git a/lib/register/builtin/word.rb b/lib/register/builtin/word.rb
index 544243e5..7a1005b3 100644
--- a/lib/register/builtin/word.rb
+++ b/lib/register/builtin/word.rb
@@ -21,7 +21,7 @@ module Register
         def get_internal_byte context
           compiler = compiler_for(:Word , :get_internal_byte)
           source = "get_internal_byte"
-          me , index = self_and_arg(compiler,source)
+          me , index = self_and_int_arg(compiler,source)
           # reduce me to me[index]
           compiler.add_code GetByte.new( source , me , index , me)
           # and put it back into the return value
@@ -35,8 +35,8 @@ module Register
         def set_internal_byte context
           compiler = compiler_for(:Word, :set_internal_byte , {:value => :Integer} )
           source = "set_internal_byte"
-          me , index = self_and_arg(compiler,source)
-          value = do_load(compiler,source)
+          me , index = self_and_int_arg(compiler,source)
+          value = load_arg_at(compiler , source , 2 )
           # do the set
           compiler.add_code SetByte.new( source , value , me , index)
           return compiler.method
diff --git a/lib/typed/method_compiler/assignment.rb b/lib/typed/method_compiler/assignment.rb
index 30fe04f2..88756bcc 100644
--- a/lib/typed/method_compiler/assignment.rb
+++ b/lib/typed/method_compiler/assignment.rb
@@ -15,16 +15,18 @@ module Typed
 
     def get_code( statement , value)
       name = no_space(statement.name).name
+      named_list = use_reg(:NamedList)
       if( index = @method.has_arg(name))
          # TODO, check type @method.arguments[index].type
-        return Register.set_slot(statement , value , :message , Parfait::Message.get_indexed(index) )
+         type = :arguments
+       else
+         # or a local so it is in the frame
+         index = @method.has_local( name )
+         type = :locals
+         return nil unless index
       end
-      # or a local so it is in the named_list
-      index = @method.has_local( name )
-      return nil unless index
       # TODO, check type  @method.locals[index].type
-      named_list = use_reg(:NamedList)
-      add_code Register.get_slot(statement , :message , :locals , named_list )
+      add_code Register.get_slot(statement , :message , type , named_list )
       return Register.set_slot(statement , value , named_list , index )
     end
   end
diff --git a/lib/typed/method_compiler/call_site.rb b/lib/typed/method_compiler/call_site.rb
index 464d6ae3..c4db118a 100644
--- a/lib/typed/method_compiler/call_site.rb
+++ b/lib/typed/method_compiler/call_site.rb
@@ -15,7 +15,7 @@ module Typed
 
       set_message_details(statement , statement.arguments)
       set_arguments(statement.arguments)
-      ret = use_reg( :Integer ) #TODO real return type
+      ret = use_reg( :Integer ) #FIXME real return type
       do_call(type , statement)
       # the effect of the method is that the NewMessage Return slot will be filled, return it
       # but move it into a register too
@@ -35,10 +35,7 @@ module Typed
       me
     end
     def get_my_type( me )
-      if(me.type == :MetaClass)
-        raise "Remove this test #{me.class}"
-      end
-        # now we have to resolve the method name (+ receiver) into a callable method
+      # now we have to resolve the method name (+ receiver) into a callable method
       case me.type
       when Parfait::Type
         type = me.type
@@ -50,6 +47,7 @@ module Typed
       raise "Not type #{type}" unless type.is_a? Parfait::Type
       type
     end
+
     def do_call( type , statement )
       name = statement.name
       #puts "type #{type.inspect}"
@@ -58,16 +56,24 @@ module Typed
       raise "Method not implemented #{type.inspect}.#{name}" unless method
       Register.issue_call( self , method )
     end
+
+    # load method name and set to new message (for exceptions/debug)
     def set_message_details name_s , arguments
       name = name_s.name
-      # load method name and set to new message (for exceptions/debug)
       name_tmp = use_reg(:Word)
       add_code Register::LoadConstant.new(name_s, name , name_tmp)
       add_code Register.set_slot( name_s , name_tmp , :new_message , :name)
-      # next arguments. first length then args
-      len_tmp = use_reg(:Integer , arguments.to_a.length )
-      add_code Register::LoadConstant.new(name_s, arguments.to_a.length , len_tmp)
-      add_code Register.set_slot( name_s , len_tmp , :new_message , :indexed_length)
+      # next arg and local types
+      args_reg = use_reg(:Type , @method.arguments )
+      list_reg = use_reg(:NamedList , arguments )
+      add_code Register::LoadConstant.new(name_s, @method , args_reg)
+      add_code Register.get_slot( name_s , :message , :arguments , list_reg )
+      add_code Register.set_slot( name_s , args_reg , list_reg , 1  )
+
+#FIXME need to set type of locals too. sama sama
+#      len_tmp = use_reg(:Integer , arguments.to_a.length )
+#      add_code Register::LoadConstant.new(name_s, arguments.to_a.length , len_tmp)
+#      add_code Register.set_slot( name_s , len_tmp , :new_message , :indexed_length)
     end
     def set_arguments arguments
       # reset tmp regs for each and load result into new_message
@@ -76,8 +82,10 @@ module Typed
         # processing should return the register with the value
         val = process( arg)
         raise "Not register #{val}" unless val.is_a?(Register::RegisterValue)
+        list_reg = use_reg(:NamedList , arguments )
+        add_code Register.get_slot( "Set arg #{i}#{arg}" , :message , :arguments , list_reg )
         # which we load int the new_message at the argument's index (the one comes from c index)
-        set = Register.set_slot( arg , val , :new_message , Parfait::Message.get_indexed(i+1))
+        set = Register.set_slot( arg , val , list_reg , i + 1 )
         add_code set
       end
     end
diff --git a/lib/typed/method_compiler/name_expression.rb b/lib/typed/method_compiler/name_expression.rb
index f8fcb7d5..cdf5b60e 100644
--- a/lib/typed/method_compiler/name_expression.rb
+++ b/lib/typed/method_compiler/name_expression.rb
@@ -14,7 +14,7 @@ module Typed
         if( index = @method.has_arg(name))
           ret = use_reg @method.argument_type(index)
           #puts "For #{name} at #{index} got #{@method.arguments.inspect}"
-          add_code Register.get_slot(statement , :message , Parfait::Message.get_indexed(index), ret )
+          add_code Register.get_slot(statement , :message , index, ret )
           return ret
         end
         # or a local so it is in the named_list
diff --git a/lib/typed/parfait/message.rb b/lib/typed/parfait/message.rb
index ab722077..c2ec8943 100644
--- a/lib/typed/parfait/message.rb
+++ b/lib/typed/parfait/message.rb
@@ -10,14 +10,12 @@
 module Parfait
   class Message < Object
     attributes [:next_message , :receiver , :locals , :return_address ]
-    attributes [:return_value, :caller , :name ]
-
-    include Indexed
-    self.offset(8)  # 8 == the seven attributes above + type. (indexed_length gets added)
+    attributes [:return_value, :caller , :name , :arguments]
 
     def initialize next_m
       self.next_message = next_m
       self.locals = NamedList.new()
+      self.arguments = NamedList.new()
       self.caller = nil
       super()
     end
diff --git a/test/register/interpreter/helper.rb b/test/register/interpreter/helper.rb
index e3e6dbf7..7a6fc697 100644
--- a/test/register/interpreter/helper.rb
+++ b/test/register/interpreter/helper.rb
@@ -16,7 +16,7 @@ module Ticker
   # must be after boot, but before main compile, to define method
   def do_clean_compile
   end
-  
+
   def check_chain should
     should.each_with_index do |name , index|
       got = ticks(1)
@@ -51,6 +51,7 @@ module Ticker
     rescue => e
       puts "Error at tick #{tick}"
       puts e
+      puts e.backtrace
     end
     classes = classes.collect {|c| '"' + c.name.sub("Register::","")  + '",' }
     classes << "length = #{classes.length}"
diff --git a/test/register/interpreter/test_if.rb b/test/register/interpreter/test_if.rb
index 9fabbfcb..6eb1ccf2 100644
--- a/test/register/interpreter/test_if.rb
+++ b/test/register/interpreter/test_if.rb
@@ -32,7 +32,7 @@ HERE
                   s(:false_statements, s(:call, s(:name, :putstring), s(:arguments), s(:receiver, s(:string, "else"))))))
   end
   def test_if
-      #show_ticks # get output of what is
+      show_ticks # get output of what is
       check_chain ["Branch","Label","LoadConstant","GetSlot","SetSlot",
      "LoadConstant","SetSlot","FunctionCall","Label","GetSlot",
      "GetSlot","SetSlot","LoadConstant","SetSlot","LoadConstant",
diff --git a/test/typed/parfait/test_message.rb b/test/typed/parfait/test_message.rb
index db936b9e..908c30cf 100644
--- a/test/typed/parfait/test_message.rb
+++ b/test/typed/parfait/test_message.rb
@@ -8,7 +8,6 @@ class TestMessage < MiniTest::Test
 
   def test_length
     assert_equal 9 , @mess.get_type.instance_length , @mess.get_type.inspect
-    assert_equal 9 , Parfait::Message.get_length_index
   end
 
   def test_attribute_set
@@ -17,39 +16,7 @@ class TestMessage < MiniTest::Test
   end
 
   def test_indexed
-    assert_equal 9 , @mess.get_type.variable_index(:indexed_length)
-  end
-  def test_push1
-    @mess.push :name
-    assert_equal 1 , @mess.get_length
-  end
-  def test_push2
-    @mess.push :name
-    assert_equal 1 , @mess.indexed_length
-  end
-  def test_push3
-    @mess.push :name
-    assert_equal 1 , @mess.get_internal_word(9)
-  end
-  def test_get_internal_word
-    @mess.push :name
-    assert_equal :name , @mess.get_internal_word(10)
-  end
-
-  def test_get
-    index = @mess.push :name
-    assert_equal 1 , index
-    assert_equal :name , @mess.get(1)
-  end
-
-  def test_each
-    three = [:one,:two,:three]
-    three.each {|i| @mess.push(i)}
-    assert_equal 3 , @mess.get_length
-    @mess.each do |u|
-      assert_equal u , three.delete(u)
-    end
-    assert_equal 0 , three.length
+    assert_equal 9 , @mess.get_type.variable_index(:arguments)
   end
 
 end
diff --git a/test/typed/statements/test_assign.rb b/test/typed/statements/test_assign.rb
index 4d786a89..ff48248b 100644
--- a/test/typed/statements/test_assign.rb
+++ b/test/typed/statements/test_assign.rb
@@ -79,7 +79,7 @@ class TestAssignStatement < MiniTest::Test
     was = check
     get = was.next(1)
     assert_equal GetSlot , get.class
-    assert_equal 10, get.index , "Get to named_list index must be offset, not #{get.index}"
+    assert_equal 1, get.index , "Get to args index must be offset, not #{get.index}"
   end
 end
 end