PXBBK

Prolog  

Control Block Contents  
   PXBBK DSECT
   PXBMAP DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

PXBBK Control Block Content

PXBBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      PXBBK          SSI Manager Bitmap Exchange Message
0000    0 Signed       4 PXBEYEC        Block Eye Catcher '*PXB'
0004    4 Signed       2 PXBHSIZ        PXBBK Header Size
0006    6 Signed       2 PXBSLOT        Slot number who sent bitmaps
0008    8 Signed       2 PXBVERS        Version of PXBBK
000A   10 Signed       2 PXBRCVRC       RC from Bitmap Processing
000C   12 Signed       2 PXBBITCT       Number of bitmaps sent
000E   14 Signed       2 *              Reserved for future IBM use
0010   16 Dbl-Word     8 PXBTOD         TOD when bitmaps obtained
0018   24 Dbl-Word     8 * (4)          Reserved for future IBM use
          00000038       PXBHDEND       * Mark end of the header
          00000038       PXBHDLEN       *-PXBBK PXBBK Header Length
      -------- Mapping for each bitmap ***************-

PXBMAP DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      PXBMAP         SSI Manager Bitmap Exchange Message
0000    0 Signed       2 PXBMSIZE       Length of entire bitmap
0002    2 Signed       2 *              Reserved for Future IBM use
0004    4 Signed       2 PXBMSLOT       Slot number
0006    6 Signed       2 PXBMSERV       Service number
0008    8 Bitstring    8 PXBMBITS       Bitmap Data
          00000010       PXBMBEXT       * Next bitmap

PXBBK Storage Layout

          
*** PXBBK - SSI Manager Bitmap Exchange Message
*
*     +---------------------------+-------------+-------------+
*   0 |         PXBEYEC           |  PXBHSIZ    |  PXBSLOT    |
*     +-------------+-------------+-------------+-------------+
*   8 |  PXBVERS    |  PXBRCVRC   |  PXBBITCT   |/////////////|
*     +-------------+-------------+-------------+-------------+
*  10 |                        PXBTOD                         |
*     +-------------------------------------------------------+
*  18 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  38
*
*** PXBBK - SSI Manager Bitmap Exchange Message
          
*** PXBMAP - SSI Manager Bitmap Exchange Message
*
*     +-------------+-------------+-------------+-------------+
*   0 |  PXBMSIZE   |/////////////|  PXBMSLOT   |  PXBMSERV   |
*     +-------------+-------------+-------------+-------------+
*   8 |                       PXBMBITS                        |
*     +-------------------------------------------------------+
*  10
*
*** PXBMAP - SSI Manager Bitmap Exchange Message

PXBBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
PXBBITCT       000C
PXBEYEC        0000
PXBHDEND       0018 00000038
PXBHDLEN       0018 00000038
PXBHSIZ        0004
PXBMBEXT       0008 00000010
PXBMBITS       0008
PXBMSERV       0006
PXBMSIZE       0000
PXBMSLOT       0004
PXBRCVRC       000A
PXBSLOT        0006
PXBTOD         0010
PXBVERS        0008