Int 62 Fn 00B5  u - Fgdriver V4.02 - "fg_setview" - Define Viewport        [V]

   AX = 00B5h
   ES:BX -> variable record (see #3172)
   CX = viewport's top edge in screen space
   DX = viewport's bottom edge in screen space

Return: nothing

Note:  the FGDRIVER functions are rearranged with each major release, but
     their parameters do not change (see #3145)

See Also: AX=004Fh

Format of FGDRIVER SETVIEW variable record:
Offset Size    Description (Table 3172)
 00h   WORD    viewport's left edge in viewport units
 02h   WORD    viewport's right edge in viewport units
 04h   WORD    viewport's top edge in viewport units
 06h   WORD    viewport's bottom edge in viewport units
 08h   WORD    viewport's left edge in screen space
 0Ah   WORD    viewport's right edge in screen space