Specifications For Hewlett Packard Absolute Format Data Files - Data I/O 298 Manual

END-OF-FILE
RECORD
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RECORD
START-OF-FILE
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..- End-of-File record consists only of a byte count of 0 .
~Checksum
Data bytes
} Add'"'' whe" following d"a byte;, to be "o"d .
) - Byte Count. Number of 8-bit data bytes .
..- Word Count. Number of 16-bit words in record except checksum and itself .
..._Checksum. Modulo 256 sum of all bytes in the record except the first byte .
} "'"''"'add""'°' micmpm""'"' pmg<am co"""'
) - Data Word Width: the number of bits in the smallest data word.
] - Data Bus Width, usually 8 or 16 .
..- Word Count. Number of 16-bit words in the record. Always 04 in Start-of-File record .
NOTE
This format is binary. Therefore, no ASCII control
characters or carriage returns and line feeds are
allowed.
Figure A-18. Specifications for Hewlett Packard Absolute Format Data Files
A-18
, 0-990-0013