pbkform.icn: Procedures to process HP95 phone book files

link pbkform
August 14, 1996; Robert J. Alexander
See also: pbkutil.icn, abkform.icn
This file is in the public domain.

Icon procedure set to read and write HP95LX phone book (.pbk) files.
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HP 95LX Phone Book File Format

The HP 95LX Phone Book file is structured as a file identification
record, followed by a variable number of phone book data records,
and terminated by an end of file record.  Each data record contains
the information for one phone book entry.

The format of these phone book records is described below.  In the
descriptions, the type <int> refers to a two byte integer stored least
significant byte first, the type <char> refers to a one byte integer,
and the type <ASCII> refers to a string of ASCII characters.

HP 95LX Phone Book File Identification Record:

Byte Offset      Name            Type     Contents

0                ProductCode     int      -2 (FEh, FFh)
2                ReleaseNum      int      1 (01h, 00h)
4                FileType        char     3 (03h)

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