93
Generic file structure
Record Number
Record Size
(bytes)
Field Name and Size
Type
Value
Header Size
(
1 byte
)
Unsigned
integer
h
Data record size
(
1 byte
)
Unsigned
integer
d
Reserved
(
1 byte
)
Unsigned
integer
0
Reserved
(
1 byte
)
Unsigned
integer
0
Reserved
(
1 byte
)
Unsigned
integer
0
Reserved
(
1 byte
)
Unsigned
integer
0
DIRECTORY Flag
(
1 bit
)
Flag -
OUTPUT Flag
(
1 bit
)
Flag -
NON HOMOGENEOUS Flag
(
1 bit
)
Flag -
Record definition structure
(4 bytes)
RAW Flag
(
1 bit
)
Flag -
0
h
(h
≤
238)
Other header fields
-
-
1
d
(d
≤
238)
Data -
-
2 d
Data -
-
:
:
:
:
:
:
:
:
:
:
N
(N
≤
9999)
d
Data -
-
All numeric values in file fields are in
big-endian
order.
Each file contains the following information:
Name (alphanumeric string of 36 characters max length);
Creation date/time;
Last modification date/time.
This information is accessible through the disc
directories
as explained further on in this document.
It should be noted that file names need not be unique: it is therefore possible to have more than one file bearing
the same name. Files are uniquely identified by their
file number
only.
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