move assembly from assembler to machine

id now called position

test/risc/test_machine.rb

@@ -7,8 +7,17 @@ module Risc
       @machine = Risc.machine.boot
     end
 
-    def test_co
+    def test_objects
+      objects = @machine.objects
+      assert_equal Hash , objects.class
+      assert 400 < objects.length
+    end
 
+    def test_position
+      @machine.position_all
+      objects = @machine.objects
+      assert_equal Hash , objects.class
+      assert 400 < objects.length
     end
   end
 end