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2F122A

Category: DOS kernel
Flags: Undocumented function

INT 2F - DOS 3.3+ internal - SET FASTOPEN ENTRY POINT

	AX = 122Ah
	BX = entry point to set (0001h or 0002h)
	DS:SI -> FASTOPEN entry point (see #02611,#02612)
		(entry point not set if SI = FFFFh for DOS 4.0+)
Return: CF set if specified entry point already set
Notes:	entry point in BX is ignored under DOS 3.30
	both entry points set to same handler by DOS 4.01
	DOS 5.0 and 6.0 only set entry point 1


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