!edited 14-Dec-89
!syscom_fig.psart (chapter 2)

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    +---------------+

         MEMORY
28K +---------------+
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    #               #                 
    #               #                    LOCATION  |      CONTENTS                            
    #               #        +------  +============+===================+======================+
    #               #        |        #    57,56   |  FILL COUNT       |  FILL CHARACTER      #
    #               #        |        +------------+-------------------+----------------------+
    #               #        |        #    54      |  RMON STARTING ADDRESS                   #
    #               #        |        +------------+-------------------+----------------------+
    #               #        |        #    53,52   |  USER ERROR BYTE  |  MONITOR ERROR BYTE  #
    #               #        |        +------------+-------------------+----------------------+
    #               #        |        #    50      |  HIGHEST ADDRESS AVAILABLE TO PROGRAM    #
    #               #        |        +------------+------------------------------------------+
 56 +---------------+ <------+        #    46      |  USR LOAD ADDRESS; NORMALLY 0            #
    # SYSTEM        #                 +------------+------------------------------------------+
    # COMMUNICATION #                 #    44      |  JOB STATUS WORD (JSW)                   #
 40 # AREA          #                 +------------+------------------------------------------+
    +---------------+ <------+        #    42      |  INITIAL VALUE OF STACK POINTER          #
 36 #  TRAP         #        |        +------------+------------------------------------------+
    #  VECTORS      #        |        #    40      |  PROGRAM START ADDRESS                   #
  0 +===============+        +------  +============+==========================================+