diff --git a/lib/boot/boot_space.rb b/lib/boot/boot_space.rb
index fe64be33..04e8a968 100644
--- a/lib/boot/boot_space.rb
+++ b/lib/boot/boot_space.rb
@@ -58,7 +58,7 @@ module Boot
         obj.add_method_definition Salama::Kernel.send(f , @context)
       end
       obj = get_or_create_class :String
-      [:get , :set].each do |f|
+      [:get , :set , :puts].each do |f|
         #puts "Boot String::#{f}"
         obj.add_method_definition Boot::String.send(f , @context)
       end
diff --git a/lib/boot/string.rb b/lib/boot/string.rb
index cc12f462..818711b4 100644
--- a/lib/boot/string.rb
+++ b/lib/boot/string.rb
@@ -9,6 +9,10 @@ module Boot
         set_function = Virtual::MethodDefinition.new(:set , [Virtual::Integer, Virtual::Integer] , Virtual::Integer ,Virtual::Integer )
         return set_function
       end
+      def puts context 
+        puts_function = Virtual::MethodDefinition.new(:puts , []  )
+        return puts_function
+      end
     end
     extend ClassMethods    
   end
diff --git a/lib/old_boot/string.rb b/lib/old_boot/string.rb
index 05f1256c..ee14a998 100644
--- a/lib/old_boot/string.rb
+++ b/lib/old_boot/string.rb
@@ -9,6 +9,10 @@ module Boot
         set_function = Virtual::Function.new(:set , Virtual::Integer ,[Virtual::Integer, Virtual::Integer] , Virtual::Integer )
         return set_function
       end
+      def puts context
+        puts_function = Virtual::Function.new(:puts , Virtual::Integer ,[] , Virtual::Reference )
+        return puts_function
+      end
     end
     extend ClassMethods    
   end
diff --git a/lib/trickle/send.rb b/lib/trickle/send.rb
index 0b1bac84..25521726 100644
--- a/lib/trickle/send.rb
+++ b/lib/trickle/send.rb
@@ -15,8 +15,9 @@ module Trickle
           elsif( me.is_a? Virtual::ObjectConstant )
             clazz = me.clazz
             method = clazz.get_method_definition code.name
-            puts "Found me a method #{method}"
             raise "Method not implemented #{clazz.name}.#{code.name}" unless method
+            call = Virtual::FunctionCall.new( method )
+            block.replace(code , [call] )
           else
             raise "unimplemented"
           end
diff --git a/lib/virtual/block.rb b/lib/virtual/block.rb
index e8f93e0f..19fd05b1 100644
--- a/lib/virtual/block.rb
+++ b/lib/virtual/block.rb
@@ -34,7 +34,7 @@ module Virtual
     end
 
     # replace a code with an array of new codes. This is what happens in passes all the time
-    def replace_with code , new_codes
+    def replace code , new_codes
       index = @codes.index code
       raise "Code not found #{code} in #{self}" unless index
       @codes.delete_at(index)
diff --git a/lib/virtual/instruction.rb b/lib/virtual/instruction.rb
index 0bc3fce6..404adf53 100644
--- a/lib/virtual/instruction.rb
+++ b/lib/virtual/instruction.rb
@@ -75,6 +75,13 @@ module Virtual
     attr_reader :name , :me ,  :args
   end
 
+  class FunctionCall < Instruction
+    def initialize method
+      @method = method
+    end
+    attr_reader :method
+  end
+
   # class for Set instructions, A set is basically a mem move.
   # to and from are indexes into the known objects(frame,message,self and new_message), or from may be a constant
   class Set < Instruction
diff --git a/test/virtual/hello.rb b/test/virtual/hello.rb
index b856a98a..4559bc2e 100644
--- a/test/virtual/hello.rb
+++ b/test/virtual/hello.rb
@@ -7,9 +7,8 @@ class HelloTest < MiniTest::Test
     machine = Virtual::Machine.boot
     expressions = machine.compile_main @string_input
     puts ""
-    puts Sof::Writer.write(expressions)
     Virtual::Object.space.run_passes
-    puts ""
+    puts Sof::Writer.write(expressions)
 #    puts Sof::Writer.write(Virtual::Object.space)
   end