Int 1A Fn 7002  - Snap.exe 3.2+ - "snap_setanchor"                         [N]

   AX = 7002h
   STACK:  WORD    anchor number (0000h-0009h)
       WORD    new value for the anchor

Return: AX = status
       0000h successful
       FFFFh failed (top word on stack not in range 00h-09h)
   STACK unchanged

See Also: AX=7101h