ObtainBattSemaphore()()                 - Obtain access to nonvolatile
                                          ram. (V36)
ReadBattMem(buffer,offset,length)(a0,d0/d1)
                                        - Read a bitstring from
                                          nonvolatile ram.  (V36)
ReleaseBattSemaphore()()                - Allow nonvolatile ram to others.
                                           (V36)
WriteBattMem(buffer,offset,length)(a0,d0/d1)
                                        - Write a bitstring to nonvolatile
                                          ram.  (V36)