IBM: BOXBK

Programming Interface Information: This information is NOT intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only.

BOXBK

Prolog

Control Block Contents

BOXBK DSECT

Storage Layout

Cross Reference (Contains links to field and bit definitions)

BOXBK Prolog

 NAME       : HCPBOXBK
 DESCRIPTION: LOGO BLOCK
 DSECT      : BOXBK
 FUNCTION   : This is a DSECT of the VM logos defined in the module HCPBOX.
 LOCATED BY : This is a DSECT over HCPBOXMS, HCPBOXNS,
              HCPBOXBS, HCPBOXGO, HCPBOXSO, HCPBOXPB,
              HCPBOXPA and HCPBOXPE.
 CREATED BY : NONE, This is only a DSECT over storage defined in
              module HCPBOX and in HCPBLO
 DELETED BY : The storage in HCPBOX is never deleted

BOXBK Control Block Content


BOXBK DSECT
Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      BOXBK          LOGO BLOCK
0000    0 Signed       2 BOXFULLH       Height of entire logo
0002    2 Signed       2 BOXPICTW       Width of logo picture
0004    4 Signed       2 BOXPICTH       Height of logo picture
0006    6 Signed       2 BOXINPTW       Width of logo input fields
0008    8 Signed       2 BOXINPTH       Height of logo input fields
000A   10 Signed       2 BOXINPL        Length of input areas for
                                        RDEVINPL
          0000000C       BOXCORE        *-BOXBK Length of 'base' fields
000C   12 Signed       2 BOXONLW        Width of online message
000E   14 Bitstring   12 BOXINPLO (0)   Cover the next six fields
000E   14 Signed       2 BOXUSLN        Number of complete lines below
                                        the . line containing userid
                                        prompt
0010   16 Signed       2 BOXUSLO        Offset into userid line for
                                        userid
0012   18 Signed       2 BOXPWLN        Number of complete lines below
                                        the . line containing password
                                        prompt
0014   20 Signed       2 BOXPWLO        Offset into password line for
                                        password
0016   22 Signed       2 BOXCMLN        Number of complete lines below
                                        the . line containing command
                                        prompt
0018   24 Signed       2 BOXCMLO        Offset into command line for
                                        command
001A   26 Signed       2 *              Reserved for future IBM use
001C   28 Signed       4 *              Reserved for future IBM use
          00000014       BOXXTRA        (*-BOXBK)-BOXCORE Length of
                                        non-core area
0020   32 Signed       2 BOXLOGO (0)    Start of logo information

BOXBK Storage Layout

*** BOXBK - LOGO BLOCK
*
*     +-------------+-------------+-------------+-------------+
*   0 |  BOXFULLH   |  BOXPICTW   |  BOXPICTH   |  BOXINPTW   |
*     +-------------+-------------+-------------+-------------+
*   8 |  BOXINPTH   |  BOXINPL    |  BOXONLW    |  BOXUSLN    |
*     +-------------+-------------+-------------+-------------+
*  10 |  BOXUSLO    |  BOXPWLN    |  BOXPWLO    |  BOXCMLN    |
*     +-------------+-------------+-------------+-------------+
*  18 |  BOXCMLO    |/////////////|///////////////////////////|
*     +-------------+-------------+---------------------------+
*  20 |                                                       |
*     =                       BOXLOGO                         =
*     |                                                       |
*     +-------------------------------------------------------+
*
*** BOXBK - LOGO BLOCK