INT 2F U - DOS 3.0+ internal - INVOKE CRITICAL ERROR
AX = 1206h
DI = error code
BP:SI -> device driver header (see #01646)
SS = DOS DS (must be using a DOS internal stack)
STACK: WORD value to be passed to INT 24 in AX
Return: AL = 0-3 for Abort, Retry, Ignore, Fail
STACK unchanged
SeeAlso: INT 24