RUN: calc_stk lst\boot.map -m -v 

MAP-file lst\boot.map opened.
ERROR open file obj/mb90540.stk.
ERROR open file obj/start.stk.

  FUNCTION: '_main' stack: 20  type: ROOT

**** '_main' 36	+??? '_download_monitor' CALL NOT FOUND FUNCTION '$pointer_call'
**** '_main' 20	{A}
!!!! STACK STATISTICS FOR FUNCTION "_main": 
!!!! MINIMUM    20 <<<<<<>>>>>>  136 MAXIMUM
!!!! MIDDLE           78    77       INTEGRAL MIDDLING
!!!! Number of stack with maximum size: 2.

First route with maximum stack size.
_main (Stack=20)
  . _download_monitor	+16
    . _download	+24
      . _process_record	+22
        . _process_word	+14
          . _erase_sector	+18
            . _write_word	+14
              . _get_sector_number	+8
==== '_main' 136