Int 14 Fn 2C00  - Hunter 16 - Get Dtr                                      [S]

   AX = 2C00h

Return: AH = 00h
   BL = current state
       00h  normal DTR operation
       else DTR is forced high
Desc:  Indicates whether the DTR signal on COM1 is forced high

Note:  the Husky Hunter 16 is an 8088-based ruggedized laptop.  Other family
     members are the Husky Hunter, Husky Hunter 16/80, and Husky Hawk.

See Also: AH=2Ch"SET DTR"