SCTBK

Prolog  

Control Block Contents  
   SCTBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

SCTBK Prolog

 NAME       : HCPSCTBK
 DESCRIPTION: SPOOL FILE CLASS TITLE BLOCK
 DSECT      : SCTBK
 FUNCTION   : CONTAINS THE CLASSIFICATION TITLE FOR
              EACH SPOOL FILE CLASS SPECIFIED IN
              SYSPCLAS MACRO.  THE CLASSIFICATION
              TITLE APPEARS ON SEPARATOR PAGES AND
              ON THE TOP OR BOTTOM OF EACH PAGE OF
              PRINTED OUTPUT IF SO SPECIFIED IN
              SYSPCLAS MACRO.
 LOCATED BY : SYSSCTT FIELD OF HCPSYSCM
 CREATED BY : HCPSYS ASSEMBLY (SYSGEN) IF THERE IS A
              SYSPCLAS MACRO
 DELETED BY : NONE

SCTBK Control Block Content

SCTBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      SCTBK          SUBSYSTEM TABLE HEADER BLOCK
0000    0 Character    1 SCTCLASS       SPOOL FILE CLASS
          1111 1111      SCTEND         X'FF' END OF QUEUE MARKER IN
                                        SCTCLASS
0001    1 Bitstring    1 SCTFLAGS       OPTIONS TOP/BOTTOM
          1... ....      SCTTOP         X'80' PUT TITLE AT TOP OF EACH
                                        PAGE
          .1.. ....      SCTBOT         X'40' PUT TITLE AT BOTTOM OF EACH
                                        PAGE
0002    2 Bitstring    1 SCTLTITL       LENGTH OF CLASS TITLE
0003    3 Bitstring    1 *              RESERVED FOR IBM FUTURE USE
0004    4 Character   46 SCTTITLE       TITLE FOR PRINT TITLES
          00000032       SCTSIZE        *-SCTBK Number of bytes in SCTBK
                                        entry
          00000007       SCTSIZED       (*-SCTBK+7)/8 Size in double
                                        words

SCTBK Storage Layout

          
*** SCTBK - SUBSYSTEM TABLE HEADER BLOCK
*
*     +------+------+------+------+---------------------------+
*   0 |:CLASS|:FLAGS|:LTITL|//////|                           |
*     +------+------+------+------+                           |
*   8 |                                                       |
*     =                       SCTTITLE                        =
*     |             +-----------------------------------------+
*     |             | 32
*     +-------------+
*
*** SCTBK - SUBSYSTEM TABLE HEADER BLOCK

SCTBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
SCTBOT         0001 40
SCTCLASS       0000
SCTEND         0000 FF
SCTFLAGS       0001
SCTLTITL       0002
SCTSIZE        0004 00000032
SCTSIZED       0004 00000007
SCTTITLE       0004
SCTTOP         0001 80