better solution for initial jump

lib/arm/instructions/move_instruction.rb

@@ -74,7 +74,7 @@ module Arm
           operand = calculate_u8_with_rr( first )
           raise "no fit for #{right}" unless operand
           immediate = 1
-          @extra = ::Register::RegisterMachine.instance.add( to , to , (right.integer & 0xFF) )
+          @extra = ArmMachine.add( to , to , (right.integer & 0xFF) )
           #TODO: this is still a hack, as it does not encode all possible values. The way it _should_ be done
           # is to check that the first part is doabe with u8_with_rr AND leaves a u8 remainder
         end

lib/register/assembler.rb

@@ -21,7 +21,8 @@ module Register
 
     def link
       add_object(@space)
-      at = 4  # first jump instruction
+      @space.init.set_position(0)
+      at = @space.init.mem_length  # first jump instruction
       # then all functions
       @objects.each_value do | objekt|
         next unless objekt.is_a? Virtual::CompiledMethod
@@ -41,9 +42,10 @@ module Register
         link
         @stream = StringIO.new
         mid , main = @objects.find{|k,objekt| objekt.is_a?(Virtual::CompiledMethod) and (objekt.name == :__init__ )}
-        initial_jump = RegisterMain.new( main )
-        initial_jump.set_position( 0)
-        initial_jump.assemble( @stream )
+        initial_jump = @space.init
+        initial_jump.codes.each do |code|
+          code.assemble( @stream )
+        end
         @objects.each_value do |objekt|
           next unless objekt.is_a? Virtual::CompiledMethod
           assemble_object( objekt )
@@ -188,6 +190,7 @@ module Register
     end
 
     def add_BootSpace(space)
+      add_object(space.main)
       add_object(space.classes)
       add_object(space.objects)
       add_object(space.symbols)

lib/virtual/boot_space.rb

@@ -17,7 +17,7 @@ module Virtual
     def initialize
       super()
       @classes = Parfait::Hash.new
-      @main = Virtual::CompiledMethod.new("main" , [] )
+      @main = Virtual::CompiledMethod.main
       #global objects (data)
       @objects = []
       @symbols = []
@@ -27,11 +27,11 @@ module Virtual
       @next_frame = frames.first
       @passes = [ "Virtual::SendImplementation" ]
     end
-    attr_reader  :main , :classes , :objects , :symbols,:messages, :next_message , :next_frame
+    attr_reader  :init , :main , :classes , :objects , :symbols,:messages, :next_message , :next_frame
 
     def run_passes
       @passes.each do |pass_class|
-        all = main.blocks
+        all = [@init] + main.blocks
         @classes.values.each do |c| 
           c.instance_methods.each {|f| all += f.blocks  }
         end
@@ -76,6 +76,8 @@ module Virtual
     # CompiledMethods are grabbed from respective modules by sending the method name. This should return the 
     # implementation of the method (ie a method object), not actually try to implement it (as that's impossible in ruby)
     def boot_classes!
+      @init = Virtual::Block.new(:_init_ , nil )
+      @init.add_code(Register::RegisterMain.new(@main))
       # very fiddly chicken 'n egg problem. Functions need to be in the right order, and in fact we have to define some 
       # dummies, just for the other to compile
       obj = get_or_create_class :Object

lib/virtual/object.rb

@@ -3,7 +3,7 @@ require "parfait/message"
 
 module Positioned
   def position
-    raise "position accessed but not set at #{length} for #{self.inspect}" if @position == nil
+    raise "position accessed but not set at #{length} for #{self.inspect[0...500]}" if @position == nil
     @position
   end
   def set_position pos