INT 7F - G8BPQ v4.00+ - HOST MODE - SET APPLICATION FLAGS AND MASK
        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+
SeeAlso: AH=00h"G8BPQ",AH=02h"G8BPQ",AH=0Bh"G8BPQ"

.