BIOS / Int / Int 16 / 78

                         INT 16 - pcANYWHERE - LOG OFF

Input			Output
AX	78h	Param		AX
BX				BX
CX				CX
DX				DX
ES:DI				ES:DI

See below for the parameter

Param:     0 = Make pcANYWHERE wait for another call.

           1 = Leave pcANYWHERE in memory resident mode. It can be
               reactivated by   on the host PC.

           2 = Leave pcANYWHERE in Automatic Mode. It is reactivated when
               carrier is detected.

        0FFh = Leave pcANYWHERE in it's current mode