code: def dbg_print(self, indent=0):
          
          lst = []
          more_data = False
          for i, addr in enumerate(self.mem.keys()):
              lst.append(addr)
              if i >= 20:
                  more_data = True
                  break
  
          for addr in sorted(lst):
              data = self.mem[addr]
              if isinstance(data, SimMemoryObject):
                  memobj = data
                  print("%s%xh: (%s)[%d]" % (" " * indent, addr, memobj, addr - memobj.base))
              else:
                  print("%s%xh: <default data>" % (" " * indent, addr))
          if more_data:
              print("%s..." % (" " * indent))
docs: Print out debugging information.