Int 7F Fn 01  - G8bpq V4.00+ - Host Mode - Set Application Flags And Mask  [N]

   AH = 01h
   AL = stream number (01h-40h)
   CL = new application flags
       bit 7: monitored frames available via AH=0Bh"G8BPQ"
   DL = new application mask
Program: the G8BPQ AX25 Networking Package is amateur packet radio software by
     John Wiseman which allows a PC to act as a node in an AX.25 network

Note:  INT 7Fh is the default, which may be changed in the configuration file
     for v4.03+

See Also: AH=00h"G8BPQ",AH=02h"G8BPQ",AH=0Bh"G8BPQ"