next instruction working

but no clock yet

app/register_view.rb

@@ -2,10 +2,20 @@ class RegisterView
 
   include React::Component
   required_param :interpreter
+  define_state :registers
+
+  before_mount do
+    interpreter.register_event(:register_changed,  self)
+    registers! interpreter.registers
+  end
+
+  def register_changed reg , old , bl
+    registers! interpreter.registers
+  end
 
   def render
     div :class => :row  do
-      interpreter.registers.each do |r , has|
+      registers.each do |r , has|
         div :class => "col-md-1" do
           "#{r} : #{has}"
         end