4/98
SED2D-WES Version 4.3 Beta
$M-CARD
MACHINE IDENTIFIER
$M CARD
NOTE: the optimization for different machines that is implied by this card is not fully implemented in this version
of SED2D-WES. This card is supported in anticipation of future model enhancements. It is listed as required in
order that files created for this version of the model will be compatible with future versions.
Required
Field
Variable
Value
Description
0,C1-2
IC1
$M
Card group identifier
1
IVRSID
1
Direct access record length unlimited, and defined in terms
of bytes.
Examples systems are:
DOS PC
2
Direct access record length unlimited, and defined in terms
of short words (2 bytes).
Example systems are:
Prime mini-computers
3
Direct access record length limited to 32 bytes, and defined
in teems of long words (4 bytes)
Example systems are:
DEC Vax
4
Direct access defined using multiple sequential access file
that are opened as required. Note that this may generate and
leave many file on disc.
Example systems are:
APPLE MAC II under ABSOFT FORTRAN,
Definicon 020 beard, DEC Vax to avoid short
record lengths.
HP Workstation
5
Direct access defined for a system using 64 bit or 8 byte
words and where record lengths are defined in bytes
39
WORKING DRAFT
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