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310201

Category: DOS extenders
Flags: available only in protected mode

INT 31 - DPMI 0.9+ - SET REAL MODE INTERRUPT VECTOR

	AX = 0201h
	BL = interrupt number
	CX:DX = segment:offset of real mode handler
Return: CF clear
Note:	all memory that may be touched by a hardware interrupt handler must be
	  locked down with INT 31/AX=0600h
SeeAlso: AX=0200h,AX=0205h,AX=0600h,INT 21/AX=2505h

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