fix method_missing register

logic is still wrong, even it is slightly less (at least loading the method name)

lib/slot_machine/macro/method_missing.rb

@@ -11,7 +11,7 @@ module SlotMachine
 
     def to_risc(compiler)
       builder = compiler.builder(compiler.source_name)
-      from = Risc::RegisterValue.new(@name , :Word)
+      from = compiler.load_object(Parfait.new_word(@name))
       to = Risc::RegisterValue.new(:r1 , :Word)
       builder.add_code Risc::Transfer.new(self , from , to)
       builder.add_code Risc::Syscall.new(self, :died )

test/slot_machine/macro/test_method_missing.rb

@@ -17,16 +17,16 @@ module SlotMachine
         assert_equal 15 , @method.to_risc.risc_instructions.length
       end
       def test_all
-        assert_transfer risc(1) , :r1 , :r1
+        assert_load 1 , Parfait::Word  , "id_word_"
-        assert_equal Risc::Syscall, risc(2).class
+        assert_transfer 2 , "id_word_" , :r1
-        assert_slot_to_reg risc(3),:r0 , 5 , :r2
+        assert_syscall 3 , :died
-        assert_slot_to_reg risc(3),:r0 , 5 , :r2
+        assert_slot_to_reg 4 , :message , 5 , "message.return_value"
-        assert_reg_to_slot risc(4) , :r2 , :r0 , 5
+        assert_reg_to_slot 5 , "message.return_value" , :message , 5
-        assert_branch risc(5) , "return_label"
+        assert_branch 6 , "return_label"
-        assert_label risc(6) , "return_label"
+        assert_label 7 , "return_label"
       end
       def test_return
-        assert_return(6)
+        assert_return(7)
       end
     end
   end