renaming methods args and frame

to arguments_type and frame_type, because that is what they are
In honour of setup bug, where the types of those types were loaded,
instead of just them types

test/support/risc.rb

@@ -19,7 +19,7 @@ module Risc
     # how many instruction up until the main starts, ie
     # ticks(main_at) will be the label for main
     def main_at
-      26
+      24
     end
 
     def get_return