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    {
    > I started writing communicating-Programs, and even
    > trying to develope simple doors. But, i have one
    > little problem: I don't know how to hang-up the modem!
    > - I am using a ready-made TPU that does all the port
    > tasks, but it just can't hang up!
    > All i know, is beFore the ~~~+++~~~ATH0 String, i need to 'Drop DTR'...
    > How do i do that?!?

    if you are using a FOSSIL driver For communications, you could do this:
    }

    Procedure Lower_DTR;
    Var regs:Registers;
    begin
      regs.dx:=0;  {com1=0;com2=1;com3=2;com4=3}
      regs.al:=$00;
      regs.ah:=$06;
      intr($14,regs);
      Exit;
    end;

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