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From: jso@edison.UUCP (John Owens)
Newsgroups: net.micro.pc
Subject: Re: PC-VT emulator; other VT emulators for PC's
Message-ID: <876@edison.UUCP>
Date: Wed, 15-Oct-86 10:20:47 EDT
Article-I.D.: edison.876
Posted: Wed Oct 15 10:20:47 1986
Date-Received: Sat, 18-Oct-86 00:38:33 EDT
References: <620@watmum.UUCP> <650@aesat.UUCP>
Organization: General Electric Company, Charlottesville, VA
Lines: 28
Summary: VTERM III comes closer than any I've seen

In article <650@aesat.UUCP>, rwh@aesat.UUCP (Russ Herman) writes:
> As a contributor to the VT100 emulator test program, I can state that I have
> yet to see a software-based emulator that passes it [....]

I, too, have been frustrated with the quality of vt100 emulation.
People seem to get cursor moves, basic attributes, and things right,
but when it comes to more obscure sequences....  However, VTERM III
from Coefficient Systems comes pretty close.

It passes almost everything, including 132-column, light and dark
backgrounds, scroll regions (important to me), all the attribute
combinations, all the keyboard combinations, and handles double-sized
and double-height characters reasonably.  They even have smooth scroll
slower than jump scroll.

The things that failed are:
	auto repeat off
	request terminal parameters args 0 and 1 (although identify
		and DSR 5 and 6 work fine).
	reset didn't do anything

If I just start the program and do the VT52 test, it runs fine.
If I run the entire program through, the VT52 test fails.  I seem to
remember this as a known bug in vttest, though.

John Owens		General Electric Company - Charlottesville, VA
jso@edison.GE.COM	old arpa: jso%edison.GE.COM@seismo.CSS.GOV
+1 804 978 5726		old uucp: {seismo,decuac,houxm,calma}!edison!jso