Int 61 Fn 0001  - Optima 1024 Vga-sync,et-3000 Chipset - Center Zoom Wind  [V]

   AX = 0001h
   BX = X coordinate to center
   CX = Y coordinate to center
Desc:  Positions the zoom window such that the specified window-relative
     coordinates appear as close as possible to the center of the
     display.  Useful for scrolling and panning.
Range: unknown

Notes: INT 61h 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

See Also: AX=0000h"OPTIMA",AX=0002h"OPTIMA",AX=0005h"OPTIMA"

See Also: INT 16/AH=FFh"OPTIMA"