Programming Interface Information: This information is NOT intended to be used as Programming Interfaces of z/VM.

#### 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    |/////////////|///////////////////////////|
    *     +-------------+-------------+---------------------------+
    *
    *** BOXBK - LOGO BLOCK

#### BOXBK Cross Reference

    Symbol         Dspl Value
    -------------- ---- -----
    BOXCMLN        0016
    BOXCMLO        0018
    BOXCORE        000A 0000000C
    BOXFULLH       0000
    BOXINPL        000A
    BOXINPLO       000E
    BOXINPTH       0008
    BOXINPTW       0006
    BOXLOGO        0020
    BOXONLW        000C
    BOXPICTH       0004
    BOXPICTW       0002
    BOXPWLN        0012
    BOXPWLO        0014
    BOXUSLN        000E
    BOXUSLO        0010
    BOXXTRA        001C 00000014

This information is based on z/VM V6R1.0. Last updated on 18 Feb 2010 at 08:27:16 EDT.
Copyright IBM Corporation, 1990, 2008