nically happen is that the
     module stops, but in practice it is treated as if z=1, because
     there is already a method for stopping the module (running out of
     patterns). If z&lt;=32, then it means "set ticks/division to z"
     otherwise it means "set beats/minute to z" (convention says that
     this should read "If z&lt;32.." but there are some composers out there
     that defy conventions). Default values are 6 ticks/division, and
     125 beats/minute (4 divisions = 1 beat). The beats/minut