Int 03 Fn 0910  - Soft-ice - Back Door Commands - Display String In Soft-  [G]

   AX = 0910h
   SI = magic value 4647h ('FG')
   DI = magic value 4A4Dh ('JM')
   DS:DX -> ASCIZ string to display (max 100 bytes, 0Dh OK)
Program: Soft-ICE is a debugger by Nu-Mega Technologies, Inc.