add initial jump instruction

lib/register/assembler.rb

@@ -41,7 +41,7 @@ module Register
         link
         @stream = StringIO.new
         mid , main = @objects.find{|k,objekt| objekt.is_a?(Virtual::CompiledMethod) and (objekt.name == :__init__ )}
-        initial_jump = RegisterMachine.instance.b( main )
+        initial_jump = RegisterMain.new( main )
         initial_jump.set_position( 0)
         initial_jump.assemble( @stream )
         @objects.each_value do |objekt|

lib/register/instruction.rb

@@ -37,3 +37,4 @@ require_relative "instructions/function_call"
 require_relative "instructions/function_return"
 require_relative "instructions/save_return"
 require_relative "instructions/register_transfer"
+require_relative "instructions/register_main"

lib/register/instructions/register_main.rb

@@ -0,0 +1,14 @@
+module Register
+
+  # This starts the register machine machine at the given function.
+  
+  # The implementation is most likely a jump/branch , but since we have the extra layer
+  # we make good use of it, ie give things descriptive names (what they do, not how)
+
+  class RegisterMain < Instruction
+    def initialize method
+      @method = method
+    end
+    attr_reader :method
+  end
+end