Hanging up modem

 BBS: Inland Empire Archive
Date: 03-28-93 (20:15)             Number: 274
From: JOHN GALLAS                  Refer#: NONE
  To: JOHN COWGILL                  Recvd: NO  
Subj: Hanging up modem               Conf: (2) Quik_Bas
JC>       Now if my modem originates the call, that's no
JC>problem, simply sending the escape sequence followed by a
JC>ATH does the trick just fine.
JC>       But when my modem is in Host mode, it does not seem
JC>to respond to the escape sequence, therefore it never
JC>recognizes the ATH.....

Thats strange - normally it shouldn't matter weather you originated the
call or answered it, it should always be able to hang up with the escape

JC>       Could anyone suggest a bit of code to force the
JC>modem's DTR to drop causeing the modem to go off-line when
JC>it is in host mode? And in basic? Thanks in advance.....

Heres a function that'll change the DTR setting:

SUB SetDTR (Setting%)
' If Setting% is 0, DTR is lowered, otherwise its raised
' For COM1 the address is &H3F8, for COM2 its &H2F8

PortAddress = &H3F8

IF Setting% THEN
  OUT PortAddress + 4, INP(PortAddress + 4) OR 1
  OUT PortAddress + 4, INP(PortAddress + 4) AND &HFE


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