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Bitfields for DOS 4.0-6.0 disk buffer flags

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Bit Description

7

remote buffer

6

buffer dirty

5

buffer has been referenced (reserved in DOS 5+)

4

search data buffer (only valid if remote buffer)

3

sector in data area

2

sector in a directory, either root or subdirectory

1

sector in FAT

0

reserved

See Also:

#01651