Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site watcgl.UUCP Path: utzoo!watmath!watcgl!dmmartindale From: dmmartindale@watcgl.UUCP (Dave Martindale) Newsgroups: net.unix Subject: Re: LaserJet printercap for BSD 4.2? (8 bits + flow control) Message-ID: <637@watcgl.UUCP> Date: Mon, 3-Dec-84 04:12:27 EST Article-I.D.: watcgl.637 Posted: Mon Dec 3 04:12:27 1984 Date-Received: Tue, 4-Dec-84 06:26:20 EST References: <6136@brl-tgr.ARPA> Organization: U of Waterloo, Ontario Lines: 16 > > The problem is fundamental: if you > > receive an XON or XOFF, how do you decide if it is part of the data or > > a flow control instruction from the other machine? You just cannot > > transmit flow-control instructions along with all-256-codes-valid data > > on the same wire without some sort of additional encoding being done. > > Give me a break. What does processing control-S and control-Q have to > do with whether the incoming character is and-ed with 0177? Why cant > I have a mode that gives me all eight bits and XON and XOFF processing. > This would be 254 bits processed instead of the normal 126 bits that you > get with LITOUT or RAW off. > Sure you can do this, with a bit of hacking of the tty driver. What's it useful for? Anything I've ever seen that wanted to transmit 8-bit ASCII wanted to be able to send all 256 codes, not restrict itself to 254.