Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!wuarchive!psuvax1!rutgers!cbmvax!cbmehq!cbmger!peterk From: peterk@cbmger.UUCP (Peter Kittel GERMANY) Newsgroups: comp.sys.amiga.programmer Subject: Re: 1200/75 Split Speed problem Message-ID: <908@cbmger.UUCP> Date: 20 Feb 91 08:54:55 GMT References: Reply-To: peterk@cbmger.UUCP (Peter Kittel GERMANY) Organization: Commodore Bueromaschinen GmbH, West Germany Lines: 19 In article torkell@ifi.uio.no (Torkel Lodberg) writes: >I am currently working on a new version of the NComm communication >program, and would like to support split speed modems - meaning that >they read input at 1200 baud, while writing at only 75 baud. > >As far as I can see, this is not supported by the serial.device. On >the other hand, I can see that there are a few programs that offer >this "facility", so how does it work? They use serial.device only for input. The one I know does the 75 Bd output by hand over one of the handshake lines. By using timers you can do this system friendly and compatible. 75 Bd is so slow that you never should run into difficulties. There also the fact contributes that this is the sending direction where you have full control about what is happening. -- Best regards, Dr. Peter Kittel // E-Mail to \\ Only my personal opinions... Commodore Frankfurt, Germany \X/ {uunet|pyramid|rutgers}!cbmvax!cbmger!peterk