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Int 2F/AH=05h - DOS 3.0+ CRITICAL ERROR HANDLER - EXPAND ERROR INTO STRING -
AH = 05h
---DOS 3.x---
AL = extended error code (not zero)
---DOS 4.0+ ---
AL = error type
01h DOS extended error code
02h parameter error
BX = error code
Return: CF clear if successful
ES:DI - ASCIZ error message (read-only)
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<h2>Int 2F/AH=05h
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<h3><font color=#C00040>DOS 3.0+ CRITICAL ERROR HANDLER - EXPAND ERROR INTO STRING</font></h3>
<PRE>
AH = 05h
---DOS 3.x---
AL = extended error code (not zero)
---DOS 4.0+ ---
AL = error type
01h DOS extended error code
02h parameter error
BX = error code<br>
<p><b>Return:</b><br>CF clear if successful
ES:DI -> ASCIZ error message (read-only)
AL = completion state
00h message requires completion with device name, drive, etc.
01h message is complete as returned
CF set if error code can't be converted to string
AX,DI,ES destroyed
other flags corrupted
</PRE>
<p><b>Notes:</b>
Called at start of COMMAND.COM's default critical error handler if
installed by a user program, allowing partial or complete overriding
of the default error messages.
Subfunction 02h is called by many DOS 4 external programs.
DR DOS's COMMAND.COM appends additional info ("0 files copied") to the
returned string
<p><b>See Also:</b>
<a href="rb-4276.htm" tppabs="http://www.ctyme.com/intr/rb-4276.htm">AX=0500h</a> - <a href="rb-4414.htm" tppabs="http://www.ctyme.com/intr/rb-4414.htm">AX=122Eh</a> - <a href="rb-4112.htm" tppabs="http://www.ctyme.com/intr/rb-4112.htm">INT 24</a>
<p>
<b>Category: <a href="cat-039.htm" tppabs="http://www.ctyme.com/intr/cat-039.htm">
Shells/Command Interpreters</a>
- <a href="int-2f-1.htm" tppabs="http://www.ctyme.com/intr/int-2F.htm">
Int 2Fh</a>
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D</a>
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