Category: <b>DOS kernel</b>
<br>Flags: Undocumented function<p>
<pre><b>INT 2F - DOS 3.0+ internal - PERFORM CRITICAL ERROR INTERRUPT</b>

	AX = 120Ah
	DS = SS = DOS DS (must be using a DOS internal stack)
	STACK: WORD extended error code
Return: AL = user response (0=ignore, 1=retry, 2=abort, 3=fail)
	CF clear if retry, set otherwise
	STACK unchanged
Notes:	can only be called during a DOS function call, as it uses various
	  fields in the SDA to set up the registers for the INT 24
	reportedly sets current DPB's first root directory sector to 1
SeeAlso: INT 24
</pre>