INT 61 - OPTIMA 1024 VGA-Sync,ET-3000 chipset - SET ZOOM WINDOW AX = 0006h BX:CX -> zoom window description (see #03430) Range: unknown Notes: width of zoom window must be a multiple of the pixel replication (zoom) factor 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(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user. The name comes from the name of the DOS function call used to remain in memory after termination. which supports these functions SeeAlso: AX=0000h"OPTIMA",AX=0001h"OPTIMA",AX=0005h"OPTIMA",AX=0008h"OPTIMA" SeeAlso: INT 16/AH=FFh"OPTIMA" Format of Optima 1024 zoom window description: Offset Size Description (Table 03430) 00h WORD X start of zoom window 02h WORD Y start of zoom window 04h WORD X end of zoom window 06h WORD Y end of zoom window