docs: def spinn5_chip_coord(x, y, root_x=0, root_y=0):
      """Get the coordinates of a chip on its board.
  
      Given the coordinates of a chip in a multi-board system, calculates the
      coordinates of the chip within its board.
  
      .. note::
          This function assumes the system is constructed from SpiNN-5 boards
  
      Parameters
      ----------
      x, y : int
          The coordinates of the chip of interest
      root_x, root_y : int
          The coordinates of the root chip (i.e. the chip used to boot the
          machine), e.g. from
          :py:attr:`rig.machine_control.MachineController.root_chip`.
      """
      dx, dy = SPINN5_ETH_OFFSET[(y - root_y) % 12][(x - root_x) % 12]
      return (-int(dx), -int(dy))