Int 15 Fn 12  - Topview - Send Message - "setscale" - Set Pointer Scale F  [Q]

   AH = 12h
   BX = 1100h
   STACK: DWORD object handle for pointer object
          DWORD number of colums to scale pointer position to
          DWORD number of rows to scale pointer position to

Return: STACK popped

See Also: AH=12h/BX=1200h