IJJHFMT1

Prolog  

Control Block Contents  
   IJJHFMT1 DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

IJJHFMT1 Prolog

 Name       : IJJHFMT1
 Description: Format 1 Label
 DSECT      : IJJHFMT1
 Function   : IJJHFMT1 describes the fields within the Format
              1 VTOC label and is used in the CMS/DOS
              environment. IJJHFMT1 is called by the IJJHFMT1
              macro.

IJJHFMT1 Control Block Content

IJJHFMT1 DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      IJJHFMT1       Format 1 Label
0000    0 Character   44 F1DSN          FILE ID
002C   44 Character    1 F1ID           FORMAT1 ID - X'F1'
002D   45 Character    6 F1SER          FILE SERIAL NUMBER
0033   51 Character    2 F1VSEQ         VOLUME SEQUENCE NUMBER
0035   53 Character    3 F1CRDTE        FILE CREATION DATE (YDD)
0038   56 Character    3 F1EXPDT        FILE EXPIRATION DATE (YDD)
003B   59 Bitstring    1 F1EXCNT        NUM EXTENTS FOR FILE ON VOLUME
003C   60 Character    1 F1D7           UNUSED BY DOS/VS (X'40')
003D   61 Character    1 F1D8           RESERVED (X'40')
003E   62 Character   13 F1SYSCOD       DOS/370 VER 4
004B   75 Character    3 F1D10          RESERVED (X'40')
004E   78 Character    4 F1CISIZE       CONTROL INTERVAL SIZE (FBA)
                                        NUMBER OF BLOCKS
0052   82 Character    2 F1FTYPE        TYPE OF FILE ORGANIZATION
0054   84 Character    1 F1D12          UNUSED BY DOS/VS (X'00')
0055   85 Character    1 F1OPT          ISAM OPTION CODES
0056   86 Character    2 F1BLK          ISAM BLOCK LENGTH
0058   88 Character    2 F1RECL         ISAM LRECL
005A   90 Character    1 F1KEYL         ISAM KEY LENGTH
005B   91 Character    2 F1RKP          ISAM KEY POSITION
005D   93 Bitstring    1 F1DSI          DATA SET INDICATORS
          1... ....      F1LVOL         X'80' LAST VOL IND
          ..1. ....      F1BL8          X'20' BLOCK MUL 8 (OS/VS)
          ...1 ....      F1SEC          X'10' PASSWORD PROTECTION
          .... .1..      F1WPW          X'04' WRITE PASSWORD ONLY
005E   94 Character    4 F1SECAL (0)    UNUSED BY DOS/VS (X'40')
005E   94 Bitstring    1 F1SECOPT       SECONDARY ALLOCATION OPTION
005F   95 Address      3 F1SECALL       SECONDARY ALLOCATION VALUE
0062   98 Character    5 F1LRP          UNUSED BY DOS/VS (X'00')
0067  103 Character    2 F1D21          RESERVED (X'40')
          00000069       F1EXTS         * EXTENTS
0069  105 Character    1 F1EXTYP        EXTENT TYPE
006A  106 Character    1 F1EXSEQ        EXTENT SEQUENCE NUMBER
006B  107 Character    4 F1START        LOWER CCHH
006F  111 Character    4 F1END          UPPER CCHH
0073  115 Character   20 *              ADDITIONAL EXTENTS
0087  135 Character    5 F1POINT (0)    FORMAT 3 OR 2 POINTER
0087  135 Bitstring    1 F1HIORD        ZERO FOR FBA
0088  136 Signed       4 F1PNT          RELATIVE RECORD NUMBER FOR FBA
0090  144 Dbl-Word     8 * (0)
          00000090       F1LEN          *-IJJHFMT1 LENGTH
          00000012       F1DWDS         (*-IJJHFMT1)/8 DOUBLEWORDS

IJJHFMT1 Storage Layout

          
*** IJJHFMT1 - Format 1 Label
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                        F1DSN                          =
*     |                           +------+--------------------+
*  28 |                           |F1ID  |      F1SER-        |
*     +--------------------+------+------+--------------------+
*  30 |      -(02D)        |   F1VSEQ    |      F1CRDTE       |
*     +--------------------+------+------+------+-------------+
*  38 |      F1EXPDT       |:XCNT |F1D7  |F1D8  |             |
*     +--------------------+------+------+------+             |
*     |                       F1SYSCOD                        |
*     |                    +--------------------+-------------+
*  48 |                    |       F1D10        | F1CISIZE-   |
*     +-------------+------+------+------+------+-------------+
*  50 |   -(04E)    |  F1FTYPE    |F1D12 |F1OPT |   F1BLK     |
*     +-------------+------+------+------+------+------+------+
*  58 |   F1RECL    |F1KEYL|   F1RKP     |F1DSI |:ECOPT|(05F)-|
*     +-------------+------+-------------+------+------+------+
*  60 | -F1SECALL   |              F1LRP               |F1D21-|
*     +------+------+------+---------------------------+------+
*  68 |-(067)|:XTYP |:XSEQ |         F1START           |(06F)-|
*     +------+------+------+---------------------------+------+
*  70 |      -F1END        |//////////////////////////////////|
*     +--------------------+//////////////////////////////////|
*     |///////////////////////////////////////////////////////|
*     |////////////////////////////////////////////////+------+
*  80 |////////////////////////////////////////////////|:IORD |
*     +---------------------------+--------------------+------+
*  88 |          F1PNT            |///////////////////////////|
*     +---------------------------+---------------------------+
*  90
*
*** IJJHFMT1 - Format 1 Label

IJJHFMT1 Cross Reference

Symbol         Dspl Value
-------------- ---- -----
F1BLK          0056
F1BL8          005D 20
F1CISIZE       004E
F1CRDTE        0035
F1DSI          005D
F1DSN          0000
F1DWDS         0090 00000012
F1D10          004B
F1D12          0054
F1D21          0067
F1D7           003C
F1D8           003D
F1END          006F
F1EXCNT        003B
F1EXPDT        0038
F1EXSEQ        006A
F1EXTS         0067 00000069
F1EXTYP        0069
F1FTYPE        0052
F1HIORD        0087
F1ID           002C
F1KEYL         005A
F1LEN          0090 00000090
F1LRP          0062
F1LVOL         005D 80
F1OPT          0055
F1PNT          0088
F1POINT        0087
F1RECL         0058
F1RKP          005B
F1SEC          005D 10
F1SECAL        005E
F1SECALL       005F
F1SECOPT       005E
F1SER          002D
F1START        006B
F1SYSCOD       003E
F1VSEQ         0033
F1WPW          005D 04