Category: <b>video</b>
<p>
<pre><b>INT 61 - OPTIMA 1024 VGA-Sync,ET-3000 chipset - SET ZOOM OFFSET</b>

	AX = 0008h
	BX = X start of zoom offset
	CX = Y start of zoom offset
Desc:	specifies the first byte of video memory to appear in the zoom window
Range:	unknown
Notes:	INT 61 is the default interrupt; the actual interrupt number can be
	  obtained by calling INT 16/AH=FFh
	not all vendors include the Tseng TSR which supports these functions
SeeAlso: AX=0000h"OPTIMA",AX=0006h"OPTIMA",INT 16/AH=FFh"OPTIMA"
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