MIDAW

Prolog  

Control Block Contents  
   MIDAW DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

MIDAW Prolog

 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

MIDAW Control Block Content

MIDAW DSECT

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

          
*** MIDAW - Modified indirect data addressing word mapping
*
*     +----------------------------------+------+-------------+
*   0 |            MIDAWRES              |:AWFLG|  MIDAWCNT   |
*     +---------------------------+------+------+-------------+
*   8 |         MIDAWADH          |         MIDAWADL          |
*     +---------------------------+---------------------------+
*
*** MIDAW - Modified indirect data addressing word mapping

MIDAW Cross Reference

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