old_contents: #
  # ------------------------------------------------------------
  # Copyright (c) All rights reserved
  # SiLab, Institute of Physics, University of Bonn
  # ------------------------------------------------------------
  #
  
  from basil.dut import Base
  
  
  class HardwareLayer(Base):
      '''Hardware Layer.
  
      Implementation of very basic register operations.
      '''
      def __init__(self, intf, conf):
          super(HardwareLayer, self).__init__(conf)
          # interface not required
          if intf is not None:
              self._intf = intf
  
new_contents: #
  # ------------------------------------------------------------
  # Copyright (c) All rights reserved
  # SiLab, Institute of Physics, University of Bonn
  # ------------------------------------------------------------
  #
  
  from basil.dut import Base
  
  
  class HardwareLayer(Base):
      '''Hardware Layer.
  
      Implementation of very basic register operations.
      '''
      def __init__(self, intf, conf):
          super(HardwareLayer, self).__init__(conf)
          # interface not required
          if intf is not None:
              self._intf = intf
              self._base_addr = conf['base_addr']
  
subject: fix HardwareLayer base addresss