Format of FCB reserved field for DOS 1.0 |
| Offset | Size | Description | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
16h |
WORD |
location in directory (if high byte = FFh, low byte is device ID) | |||||||||
|
18h |
WORD |
number of first cluster in file | |||||||||
|
1Ah |
WORD |
current absolute cluster number on disk | |||||||||
|
1Ch |
WORD |
current relative cluster number within file
|
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|
1Eh |
BYTE |
dirty flag
|
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|
1Fh |
BYTE |
unused | |||||||||
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Note: |
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See Also: |
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