CNTDSECT Back to Index page
 
Prolog 
Control Block Contents 
   CNTDSECT DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.

 
  CNTDSECT Control Block Content Top of page
  




 CNTDSECT DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      CNTDSECT       , DSECT TO DESCRIBE COUNT FIELD
0000    0 Bitstring    8 COUNTCNT (0)
0000    0 Bitstring    4 COUNTCCCH (0)  28-BIT CYLINDER ADDRESS
0000    0 Signed       2 COUNTCC        CYLINDER
0002    2 Signed       2 COUNTHH        HEAD
0004    4 Bitstring    1 COUNTR         RECORD NUMBER
0005    5 Bitstring    1 COUNTKL        KEY LENGTH
0006    6 Signed       2 COUNTDL        DATA LENGTH NOTE:KL+DL=0 MEANS
                                        END OF FILE
 
 
  CNTDSECT Storage Layout Top of page
  
          
*** CNTDSECT - Control Block in CNTDSECT
*
*     +-------------+-------------+------+------+-------------+
*   0 |  COUNTCC    |  COUNTHH    |COUNTR|:NTKL |  COUNTDL    |
*     +-------------+-------------+------+------+-------------+
*   8
*
*** CNTDSECT - Control Block in CNTDSECT
 
 
  CNTDSECT Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
COUNTCC        0000
COUNTCCCH      0000
COUNTCNT       0000
COUNTDL        0006
COUNTHH        0002
COUNTKL        0005
COUNTR         0004
 
This information is based on z/VM 7.4.0 Last updated on 24 Jun 2024 at 11:36:18 EDT.
Copyright IBM Corporation, 1990, 2024