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From: barmar@mit-eddie.UUCP (Barry Margolin)
Newsgroups: net.info-terms
Subject: Re: ASCII and ANSI terminals, what is the difference??
Message-ID: <756@mit-eddie.UUCP>
Date: Sun, 15-Dec-85 16:48:37 EST
Article-I.D.: mit-eddi.756
Posted: Sun Dec 15 16:48:37 1985
Date-Received: Tue, 17-Dec-85 04:59:34 EST
References: <491@sdcc12.UUCP>
Reply-To: barmar@mit-eddie.UUCP (Barry Margolin)
Organization: MIT, Cambridge, MA
Lines: 15


When people say that a terminal uses the ANSI protocol, they are
generally referring to ANS X3.64, which defines an extension to ASCII.
ASCII defines a single-byte character set (originally 7-bit, but
recently extended to 8-bit).  It defines the meanings of various escape
sequences, multiple-byte sequences of codes beginning with ESC, which
provide operations like cursor positioning, character/line
insert/delete, erasing, and color/attribute selection.  ASCII primarily
defines printing characters and a few basic controls (e.g. carriage
return, line feed, XON/XOFF, plus ESC and DLE which allow for
extension).
-- 
    Barry Margolin
    ARPA: barmar@MIT-Multics
    UUCP: ..!genrad!mit-eddie!barmar