ASA64

Prolog  

Control Block Contents  
   ASA64 DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

ASA64 Control Block Content

ASA64 DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      ASA64          AUXILIARY STORAGE ADDRESS TABLE
                                        ENTRY
0000    0 Dbl-Word     8 ASAGENTR (0)   Auxiliary Storage Address
0000    0 Signed       4 ASAGW0         Word 0 of ESAME ASA64
0004    4 Signed       4 ASAGW1         Word 1 of ESAME ASA64
          00000008       ASAGLENT       *-ASAGENTR Length of one address
                                        table entry
0008    8 Dbl-Word     8 ASAGNEXT (0)   Next address table entry
0000    0 Signed       2 ASAGCNUM       Auxiliary storage cylinder number
0002    2 Bitstring    1 ASAGPNUM       Auxiliary storage page number
0003    3 Bitstring    1 ASAGVOL        Auxiliary storage volume code
0004    4 Signed       4 ASAGPTRM       Used by PTRM. See VPGGPTRM. .*

ASA64 Storage Layout

          
*** ASA64 - AUXILIARY STORAGE ADDRESS TABLE ENTRY
*
*     +---------------------------+---------------------------+
*   0 |          ASAGW0           |          ASAGW1           |
*     +---------------------------+---------------------------+
*
*** ASA64 - AUXILIARY STORAGE ADDRESS TABLE ENTRY
          
*** Overlay for ASAGW0 in ASA64
*
*     +-------------+------+------+
*   0 |  ASAGCNUM   |:GPNUM|:GVOL | 4
*     +-------------+------+------+
*
*** Overlay for ASAGW0 in ASA64
          
*** Overlay for ASAGW1 in ASA64
*
*                                 +---------------------------+
*   0 ...                       4 |         ASAGPTRM          |
*                                 +---------------------------+
*   8
*
*** Overlay for ASAGW1 in ASA64

ASA64 Cross Reference

Symbol         Dspl Value
-------------- ---- -----
ASAGCNUM       0000
ASAGENTR       0000
ASAGLENT       0004 00000008
ASAGNEXT       0008
ASAGPNUM       0002
ASAGPTRM       0004
ASAGVOL        0003
ASAGW0         0000
ASAGW1         0004