INT 61 - OPTIMA 1024 VGA-Sync,ET-3000 chipset - SET ZOOM WINDOW
AX = 0006h
BX:CX -> zoom window description (see #03430)
Notes: width of zoom window must be a multiple of the pixel replication (zoom)
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: INT 16/AH=FFh"OPTIMA"