diff --git a/lib/arm/instructions/move_instruction.rb b/lib/arm/instructions/move_instruction.rb
index 4eda03e8..f442faa2 100644
--- a/lib/arm/instructions/move_instruction.rb
+++ b/lib/arm/instructions/move_instruction.rb
@@ -18,6 +18,9 @@ module Arm
       @immediate = 0
       @rn = :r0 # register zero = zero bit pattern
       @extra = nil
+      if @rn.is_a?(Numeric) and !@rn.fits_u8? and !calculate_u8_with_rr(@rn)
+        @extra = 1
+      end
     end
     attr_accessor :to , :from
 
diff --git a/lib/register/assembler.rb b/lib/register/assembler.rb
index aa6b37bb..6f721818 100644
--- a/lib/register/assembler.rb
+++ b/lib/register/assembler.rb
@@ -105,8 +105,8 @@ module Register
       method.info.blocks.each do |block|
         block.codes.each do |code|
           begin
-          code.assemble( stream )
-        rescue => e
+            code.assemble( stream )
+          rescue => e
             puts "Method error #{method.name}\n#{Sof.write(method.info.blocks).to_s[0...2000]}"
             puts Sof.write(code)
             raise e
@@ -118,7 +118,7 @@ module Register
       stream.rewind
       #puts "Assembled #{method.name} with length #{stream.length}"
       raise "length error #{method.code.length} != #{method.info.byte_length}" if method.code.length != method.info.byte_length
-      raise "length error #{stream.length} != #{method.info.byte_length}" if method.info.byte_length - stream.length > 32
+      raise "length error #{stream.length} != #{method.info.byte_length}" if method.info.byte_length - stream.length > 6
       stream.each_byte do |b|
         method.code.set_char(index , b )
         index = index + 1
diff --git a/lib/virtual/compiled_method_info.rb b/lib/virtual/compiled_method_info.rb
index 4c4dbc9f..0065eca8 100644
--- a/lib/virtual/compiled_method_info.rb
+++ b/lib/virtual/compiled_method_info.rb
@@ -136,7 +136,7 @@ module Virtual
     end
 
     def byte_length
-      @blocks.inject(0) { |c , block| c += block.byte_length } + 8
+      @blocks.inject(0) { |c , block| c += block.byte_length } + 4
     end
 
     # position of the function is the position of the entry block, is where we call
diff --git a/test/virtual/test_padding.rb b/test/virtual/test_padding.rb
index 77f5936c..d7182c4a 100644
--- a/test/virtual/test_padding.rb
+++ b/test/virtual/test_padding.rb
@@ -14,24 +14,32 @@ class TestPadding < MiniTest::Test
       assert_equal 32 , @pad.padded(p) , "Expecting 32 for #{p}"
     end
   end
-  def test_large
+  def test_medium
     [26,40,53,56].each do |p|
       assert_equal 64 , @pad.padded(p) , "Expecting 64 for #{p}"
     end
   end
+def test_large
+  [58,88].each do |p|
+    assert_equal 96 , @pad.padded(p) , "Expecting 96 for #{p}"
+  end
+end
 end
 
 class TestPositioning < MiniTest::Test
   def test_list1
     list = Virtual.new_list([1])
+    list.set_layout( Parfait::Layout.new Object)
     assert_equal 32 , list.word_length
   end
   def test_list5
     list = Virtual.new_list([1,2,3,4,5])
+    list.set_layout( Parfait::Layout.new Object)
     assert_equal 32 , list.word_length
   end
   def test_layout
     layout = Parfait::Layout.new Object
+    layout.set_layout( Parfait::Layout.new Object)
     layout.push 5
     assert_equal 32 , layout.word_length
   end