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Int 21 Fn 59 - DOS 3+ - Get Extended Error Information [D]
AH = 59h
BX = 0000h
Return: AX = extended error code (see below)
BH = error class (see below)
BL = recommended action (see below)
CH = error locus (see below)
ES:DI may be pointer (see error code list below)
CL, DX, SI, BP, and DS destroyed
Notes: functions available under DOS 2.x map the true DOS 3+ error code into
one supported under DOS 2.x
you should call this function to retrieve the true error code when an
FCB or DOS 2.x call returns an error
under DR-DOS 5.0, this function does not use any of the DOS-internal
stacks and may thus be called at any time
See Also: AH=59h/BX=0001h,AX=5D0Ah,INT 2F/AX=122Dh
Values for extended error code:
00h (0) no error
01h (1) function number invalid
02h (2) file not found
03h (3) path not found
04h (4) too many open files (no handles available)
05h (5) access denied
06h (6) invalid handle
07h (7) memory control block destroyed
08h (8) insufficient memory
09h (9) memory block address invalid
0Ah (10) environment invalid (usually >32K in length)
0Bh (11) format invalid
0Ch (12) access code invalid
0Dh (13) data invalid
0Eh (14) reserved
0Fh (15) invalid drive
10h (16) attempted to remove current directory
11h (17) not same device
12h (18) no more files
---DOS 3+---
13h (19) disk write-protected
14h (20) unknown unit
15h (21) drive not ready
16h (22) unknown command
17h (23) data error (CRC)
18h (24) bad request structure length
19h (25) seek error
1Ah (26) unknown media type (non-DOS disk)
1Bh (27) sector not found
1Ch (28) printer out of paper
1Dh (29) write fault
1Eh (30) read fault
1Fh (31) general failure
20h (32) sharing violation
21h (33) lock violation
22h (34) disk change invalid
ES:DI -> ASCIZ volume label of required disk
23h (35) FCB unavailable
24h (36) sharing buffer overflow
25h (37) (DOS 4+) code page mismatch
26h (38) (DOS 4+) cannot complete file operation (out of input)
27h (39) (DOS 4+) insufficient disk space
28h-31h reserved
32h (50) network request not supported
33h (51) remote computer not listening
34h (52) duplicate name on network
35h (53) network name not found
36h (54) network busy
37h (55) network device no longer exists
38h (56) network BIOS command limit exceeded
39h (57) network adapter hardware error
3Ah (58) incorrect response from network
3Bh (59) unexpected network error
3Ch (60) incompatible remote adapter
3Dh (61) print queue full
3Eh (62) queue not full
3Fh (63) not enough space to print file
40h (64) network name was deleted
41h (65) network: Access denied
42h (66) network device type incorrect
43h (67) network name not found
44h (68) network name limit exceeded
45h (69) network BIOS session limit exceeded
46h (70) temporarily paused
47h (71) network request not accepted
48h (72) network print/disk redirection paused
49h (73) network software not installed
(LANtastic) invalid network version
4Ah (74) unexpected adapter close
(LANtastic) account expired
4Bh (75) (LANtastic) password expired
4Ch (76) (LANtastic) login attempt invalid at this time
4Dh (77) (LANtastic v3+) disk limit exceeded on network node
4Eh (78) (LANtastic v3+) not logged in to network node
4Fh (79) reserved
50h (80) file exists
51h (81) reserved
52h (82) cannot make directory
53h (83) fail on INT 24h
54h (84) (DOS 3.3+) too many redirections
55h (85) (DOS 3.3+) duplicate redirection
56h (86) (DOS 3.3+) invalid password
57h (87) (DOS 3.3+) invalid parameter
58h (88) (DOS 3.3+) network write fault
59h (89) (DOS 4+) function not supported on network
5Ah (90) (DOS 4+) required system component not installed
64h (100) (MSCDEX) unknown error
65h (101) (MSCDEX) not ready
66h (102) (MSCDEX) EMS memory no longer valid
67h (103) (MSCDEX) not High Sierra or ISO-9660 format
68h (104) (MSCDEX) door open
Values for Error Class:
01h out of resource (storage space or I/O channels)
02h temporary situation (file or record lock)
03h authorization (denied access)
04h internal (system software bug)
05h hardware failure
06h system failure (configuration file missing or incorrect)
07h application program error
08h not found
09h bad format
0Ah locked
0Bh media error
0Ch already exists
0Dh unknown
Values for Suggested Action:
01h retry
02h delayed retry
03h prompt user to reenter input
04h abort after cleanup
05h immediate abort
06h ignore
07h retry after user intervention
Values for Error Locus:
01h unknown or not appropriate
02h block device (disk error)
03h network related
04h serial device (timeout)
05h memory related
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