Old Specs

Use old specs with unlabeled or nonstandard labeled tape files to assign values to the attributes INTMODE, MAXRECSIZE, and BLOCKSIZE. B3500 and B5500 standard labeled tape files are examples of nonstandard labeled tape files.

<old specs>

──┬─ A ─┬─<maxrecsize>──<block size>─┬────────┬────────────────────────┤
  ├─ E ─┤                            └─ CHAR ─┘
  └─ N ─┘

Explanation

The following list explains the available options:

  • The A indicates INTMODE value of ASCII format.

  • The E indicates INTMODE value of EBCDIC format.

  • The N indicates INTMODE value of nonstandard format.

  • The maxrecsize is an integer specifying the MAXRECSIZE value of the file.

  • The block size is an integer specifying the BLOCKSIZE value of the file.

  • The CHAR specifies that maxrecsize and block size are in characters. The default is words.

The default setting of INTMODE is EBCDIC, and the default settings for MAXRECSIZE and BLOCKSIZE are 1500. You can also specify these file attributes directly by using the (<file attributes>) clause in DUMPALL commands. The default value for FRAMESIZE is 48—that is, words. You can change the default value by specifying a different value with the (<file attributes>) clause.

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