diff --git a/lib/parfait/object.rb b/lib/parfait/object.rb
index ccc344e4..ab68aa14 100644
--- a/lib/parfait/object.rb
+++ b/lib/parfait/object.rb
@@ -65,7 +65,7 @@ module Parfait
     # private
     def set_type(type)
       # puts "Type was set for #{self.class}"
-      raise "not type #{type.class}" unless type.is_a?(Type)
+      raise "not type #{type.class} in #{self}" unless type.is_a?(Type)
       @type = type
     end
 
diff --git a/lib/risc/interpreter.rb b/lib/risc/interpreter.rb
index 4acdab3f..349a53f9 100644
--- a/lib/risc/interpreter.rb
+++ b/lib/risc/interpreter.rb
@@ -17,7 +17,7 @@ module Risc
     # fire events for changed pc and register contents
     include Eventable
     include Logging
-    log_level :info
+    log_level :debug
 
     attr_reader :instruction     # current instruction or pc
     attr_reader :clock    # current instruction or pc
diff --git a/test/risc/interpreter/helper.rb b/test/risc/interpreter/helper.rb
index 5f2bc890..b01facb8 100644
--- a/test/risc/interpreter/helper.rb
+++ b/test/risc/interpreter/helper.rb
@@ -9,7 +9,7 @@ module Risc
     def setup
       Risc.machine.boot
       do_clean_compile
-      #FIXME Vm.compile_ast( @input )
+      Vool::VoolCompiler.ruby_to_vool( @string_input )
       Collector.collect_space
       @interpreter = Interpreter.new
       @interpreter.start Risc.machine.init
diff --git a/test/risc/interpreter/test_add.rb b/test/risc/interpreter/test_add.rb
index f2e338bd..be51bddc 100644
--- a/test/risc/interpreter/test_add.rb
+++ b/test/risc/interpreter/test_add.rb
@@ -7,22 +7,23 @@ module Risc
     def setup
       @string_input = <<HERE
   class Space
-    int main()
-      return 5 + 7
+    def main(arg)
+      return 5.mod4
     end
   end
 HERE
-      @input =  s(:statements, s(:return, s(:operator_value, :+, s(:int, 5), s(:int, 7))))
       super
     end
 
-    def pest_chain
+    def test_chain
       #show_ticks # get output of what is
       check_chain [Branch, Label, LoadConstant, SlotToReg, RegToSlot,
              LoadConstant, RegToSlot, FunctionCall, Label, LoadConstant,
-             LoadConstant, OperatorInstruction, RegToSlot, LoadConstant, SlotToReg,
-             RegToSlot, Label, FunctionReturn, Transfer, Syscall,
-             NilClass]
+             SlotToReg, RegToSlot, LoadConstant, SlotToReg, SlotToReg,
+             SlotToReg, RegToSlot, LoadConstant, SlotToReg, SlotToReg,
+             SlotToReg, RegToSlot, LoadConstant, SlotToReg, RegToSlot,
+             LoadConstant, SlotToReg, RegToSlot, SlotToReg, LoadConstant,
+             FunctionCall, Label, Label, NilClass]
     end
 
     def pest_get