Int 16 Fn FFF6  U - PC Tools V5.1-8.0 Desktop - Invoke Notepad Editor      [U]

   AX = FFF6h
   DS = segment of editor buffer structure (see below)
   BX = ???
   DX = segment of window parameters structure (see AX=FFB5h)

Return: ???

Note:  available only when popped up

See Also: AX=FFF4h

Format of editor buffer structure:
Offset Size    Description
 00h   WORD    offset of current cursor position in buffer segment
 02h  2 BYTEs  ???
 04h   WORD    offset of beginning of file data in buffer segment
 06h 10 BYTEs  ???
 10h  N BYTEs  ASCIZ name of file being edited