fix value return and test

slot load was wrong way around

lib/mom/instruction/return_sequence.rb

@@ -20,7 +20,7 @@ module Mom
   #
   class ReturnSequence < Instruction
     def to_risc(compiler)
-      return_move = SlotLoad.new( [:message ,:return_value] , [:message , :caller, :return_value],self)
+      return_move = SlotLoad.new( [:message , :caller,:return_value] , [:message , :return_value],self)
       moves = return_move.to_risc(compiler)
       return_address = compiler.use_reg(:int)
       compiler.reset_regs

lib/risc/interpreter.rb

@@ -17,7 +17,7 @@ module Risc
     # fire events for changed pc and register contents
     include Eventable
     include Logging
-    log_level :debug
+    log_level :info
 
     attr_reader :instruction     # current instruction or pc
     attr_reader :clock    # current instruction or pc