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From: greg@ncr-tp.UUCP (Greg Noel)
Newsgroups: net.arch
Subject: Re: dumber terminal device drivers
Message-ID: <172@ncr-tp.UUCP>
Date: Mon, 15-Apr-85 22:01:18 EST
Article-I.D.: ncr-tp.172
Posted: Mon Apr 15 22:01:18 1985
Date-Received: Thu, 18-Apr-85 04:40:50 EST
References: <327@piggy.UUCP> <2536@nsc.UUCP> <524@hou2d.UUCP> <429@dsd.UUCP> <2023@uvacs.UUCP>
Reply-To: greg@ncr-tp.UUCP (Greg Noel)
Organization: NCR Corporation, Torrey Pines
Lines: 12

In article <2023@uvacs.UUCP> mac@uvacs.UUCP (Alex Colvin) writes:
>Providing a bit mask for terminating characters isn't enough.  For
>instance, it's usually the character AFTER an ESC that's the terminating
>character.  The ESC[ ... control sequences can be arbitrarily long, and
>appear to terminate on an alphabetic character.

But the mask doesn't have to reamain fixed -- once you read the ESC,
gobble down the control sequence one charater at a time if you have to.
The idea is to optimize the 99 and 44/100% of the typing that is pure
text -- no need to wake up the process for every character of that.....
-- 
-- Greg Noel, NCR Torrey Pines       Greg@ncr-tp.UUCP or Greg@nosc.ARPA