use fake memory

fix integer offset bug
(which only didn’t cause errors as fixnums are still an order too big
and the famous +1 error hit the empty space)

lib/risc/parfait_adapter.rb

@@ -5,8 +5,7 @@ module Parfait
 
     def self.allocate
       r = super
-      puts "#{self.memory_size}"
-      r.instance_variable_set(:@memory , [])
+      r.instance_variable_set(:@memory , Risc::FakeMemory.new(self.type_length , self.memory_size))
       r
     end