MIDAW Back to Index page
 
Prolog 
Control Block Contents 
   MIDAW 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.


  MIDAW Prolog Top of page
 
 NAME       : HCPMIDAW
 DESCRIPTION: Modified indirect data addressing word mapping
 DSECT      : MIDAW
 FUNCTION   : Provide symbolic reference to the fields of a
              modified indirect data address list
 LOCATED BY : N/A
 CREATED BY : N/A
 DELETED BY : NA
 RELOCATION CONSIDERATIONS : None
 
 
  MIDAW Control Block Content Top of page
 

 MIDAW DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure MIDAW Modified indirect data addressing word mapping 0000 0 Bitstring 5 MIDAWRES Reserved 0005 5 Bitstring 1 MIDAWFLG MIDAW flag byte 1... .... MIDAWLST X'80' MIDAWLST THIS IS THE LAST MIDAW .1.. .... MIDAWSKP X'40' MIDAWSKP SKIP DATA TRANSFER FOR THE MIDAW ..1. .... MIDAWCCW X'20' MIDAWCCW CCW translation prog check bit 0006 6 Signed 2 MIDAWCNT MIDAW count 0008 8 Dbl-Word 8 MIDAWADR (0) MIDAW data address 0008 8 Signed 4 MIDAWADH High half of data address 000C 12 Signed 4 MIDAWADL Low half of data address 0010 16 Dbl-Word 8 MIDAWNXT (0) Next MIDAW address 00000010 MIDAWSIZ (*-MIDAW) MIDAW size in bytes 00000002 MIDAWSZD (*-MIDAW+7)/8 MIDAW size in doublewords
 
 
  MIDAW Storage Layout Top of page
 
          
*** MIDAW - Modified indirect data addressing word mapping
*
*     +----------------------------------+------+-------------+
*   0 |            MIDAWRES              |:AWFLG|  MIDAWCNT   |
*     +---------------------------+------+------+-------------+
*   8 |         MIDAWADH          |         MIDAWADL          |
*     +---------------------------+---------------------------+
*
*** MIDAW - Modified indirect data addressing word mapping
 
 
  MIDAW Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
MIDAWADH       0008
MIDAWADL       000C
MIDAWADR       0008
MIDAWCCW       0005 20
MIDAWCNT       0006
MIDAWFLG       0005
MIDAWLST       0005 80
MIDAWNXT       0010
MIDAWRES       0000
MIDAWSIZ       0010 00000010
MIDAWSKP       0005 40
MIDAWSZD       0010 00000002
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:52:42 EDT.
Copyright IBM Corporation, 1990, 2022