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Bitfields for critical error type and processing flags

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Bit Description

7

class
0 = disk I/O error
1 = if block device, bad FAT image in memory
if char device, error code in DI

6

unused

5

Ignore allowed (DOS 3.0+)

4

Retry allowed (DOS 3.0+)

3

Fail allowed (DOS 3.0+)

2 - 1

disk area of error
00 = DOS area
01 = FAT
10 = root dir
11 = data area

0

set if write, clear if read

Note:

Abort is always allowed.

See Also:

#02545,#02546