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From: Info-Atari16 Digest <INFO-ATARI16@SCORE.STANFORD.edu>
Subject:      Info-Atari16 Digest V87 #133
To: Alen Goldberg <ALEN@WISDOM.bitnet>

Info-Atari16 Digest   Wednesday, March 18, 1987   Volume 87 : Issue 133

This weeks Editor: Bill Westfield

Today's Topics:

                          Re: 520 in Canada
                     Re: News From Hannover Messe
                    Re: Vertical Blank Interrupts
                               Windows
                            laser printer
                           Supervisor mode
           Re: Subject: help! (and warning) re crab - (nf)
                   Re: where are the other groups?
                               Upgrades
                     Scientific Wordprocessing ?
                        Who needs an upgrade?
                  Re: CTS/RTS Flow Control Problems
                            Re: Magic Sac
                   Re: Adding another Hard Drive??
                     Re: Bad monitor, Bad service
                        B. Dalton bags the ST

----------------------------------------------------------------------

Date: 14 Mar 87 19:30:52 GMT
From: lorraine@tcgould.tn.cornell.edu  (Peter Lorraine)
Subject: Re: 520 in Canada
To: info-atari16@score.stanford.edu

The object that looks like a 1040 but is marked 520 is a 520stfm.  This is,
according to a store in Toronto, a 520 with an integral ssdd drive and rf
modulator.  It looks like a very nice object for those considering a 520
(although I would have preferred a double sided drive inside).  The store
owner did not describe this as a replacement for the 520.  He presumed it
wasn't sold in the USA because of FCC rules.  The object is definitely a 520
with 512K ram and an rf-modulator.  By the way, could someone tell me a source
for unix windows for the st and what sort of windows the most recent version
supports?
     Thank you.
                         peter lorraine (lorraine@batcomputer.tn.cornell.edu)

------------------------------

Date: 15 Mar 87 02:02:15 GMT
From: labrea!rocky!ali@decwrl.dec.com  (Ali Ozer)
Subject: Re: News From Hannover Messe
To: info-atari16@score.stanford.edu

In article <4378@utah-cs.UUCP> shebs@utah-cs.UUCP (Stanley Shebs) writes:
>Is the blitter going to be invisible if you don't want to use it, so for
>instance Sublogic's Flight Simulator won't run 5 times faster (can you
>say "Cessna F-16"? :-) :-) )

I believe that the SubLogic people do everything via the 68000, and ignore
any other hardware features. (For instance, they do not use the blitter on
the Amiga.) This probably makes it easier for them to port it to all
the 68000 machines, and this is probably why the user interface that comes
with the Amiga and Atari versions are similar and does not follow the
machine's own user-interface standards.

(I'm not sure if this is correct at all, but this is what I heard from someone
 who was not sure himself...)

Ali Ozer, ali@rocky.stanford.edu

------------------------------

Date: 14 Mar 87 16:33:44 GMT
From: imagen!atari!dyer@ucbvax.Berkeley.EDU  (Landon Dyer)
Subject: Re: Vertical Blank Interrupts
To: info-atari16@score.stanford.edu

In article <741@eneevax.UUCP>, iarocci@eneevax.UUCP (John Iarocci) writes:
> Then, at some point, the system randomly
> writes its own vector right on top of mine.  Great!
>
> Well, I set the program to start checking for an empty slot with the second
> entry in the vbi queue next.  Now, my handler survives the boot process.  Un-
> fortunately, now I can no longer run Degas Elite!

The first vblqueue slot is reserved for the VDI, and the
documentation says so.  If an application is hard-coded to use
(say) the 2nd slot, it is doing things wrong, wrong, wrong.

You can always intercept the interrupt itself.  You will have to
do your own mutual exclusion (trivial).

--
-Landon Dyer, Atari Corp.        {sun,lll-lcc,imagen}!atari!dyer

The views expressed here do not not
necessarily reflect those of Atari Corp.    Segments are for worms.

------------------------------

Date:     Sat, 14 Mar 87 20:55 EST
From:     KIMMEL%ecs.umass.edu@RELAY.CS.NET
To:       Info-Atari16@SCORE.STANFORD.EDU
Subject:  Windows
X-VMS-To: CSNET%"Info-Atari16@Score.Stanford.edu"

I am writing a desk accessory in Megamax C which puts a window on the
desktop.  My question is:  How can I tell, when I am not getting a redraw
message, which parts of the window are covered by other windows, when
it's not the top window?  I would like to update it, even when it is
covered by other windows.
Thanks in advance.

-Matt Kimmel

KIMMEL@UMAECS.BITNET
KIMMEL%UMAECS.BITNET@WISCVM.ARPA
KIMMEL@ECS.UMASS.EDU

------------------------------

Date: 14 Mar 87 15:18:40 GMT
From: mcvax!nikhefh!t68@seismo.css.gov  (Jos Vermaseren)
Subject: laser printer
To: info-atari16@score.stanford.edu

At Hannover I saw the Atari laser printer.
It was announced as a 8 pages per minute printer.
In a report from the computer show in Vegas I read
something about 30 or more pages per minute. Was the person
who mentioned this mistaken, or is this not the same printer ?
...Alex ??....

T68@NIKHEFH.UUCP
( Jos Vermaseren )

------------------------------

Date: 14 Mar 87 15:05:28 GMT
From: mcvax!nikhefh!t68@seismo.css.gov  (Jos Vermaseren)
Subject: Supervisor mode
To: info-atari16@score.stanford.edu

Does there exist a software way of changing the memoryrange that
is protected by the supervisor mode. None of the litterature that
I have seem mensions anything about it.
( It would be possible to make a much faster file handling system if
some arrays ( like a FAT ) could be protected against users ).

Jos Vermaseren
T68@NIKHEFH.UUCP ( The rest of the path depends on where you are ).

------------------------------

Date: 13 Mar 87 10:09:00 GMT
From: mcvax!unido!uklirb!mdoerr@seismo.css.gov
Subject: Re: Subject: help! (and warning) re crab - (nf)
To: info-atari16@score.stanford.edu

I once experienced similair problems with an auto-booting application
installed on my HD. I could delete the offending files from the AUTO-folder,
i.e. without reformatting, by booting a disk-based RAM-Version of TOS with
the HD-driver installed in the AUTO-folder of that disk. The driver complained
about possible loss of data and that it refuses to work with a RAM-TOS.
Nevertheless all went fine: I could open drive C: and delete the program.
Hope this helps, Michael Doerr. (...!seismo!unido!uklirb!mdoerr)

------------------------------

Date: 13 Mar 87 19:10:26 GMT
From: mnetor!utzoo!utgpu!water!ljdickey@seismo.css.gov
Subject: Re: where are the other groups?
To: info-atari16@score.stanford.edu

In article <2441@dalcs.UUCP>, silvert@dalcs.UUCP (Bill Silvert) writes:
> When these groups get going, please post word here so that we all know.

Nothing has arrived here either.  Has Turner disappeared?

--
 L. J. Dickey, Faculty of Mathematics, University of Waterloo.
 ljdickey@water.UUCP    ljdickey%water@waterloo.CSNET
 ljdickey%water%waterloo.csnet@csnet-relay.ARPA
 ljdickey@water.BITNET        UUCP: ...!watmath!water!ljdickey

------------------------------

Date: 14 Mar 87 15:14:50 GMT
From: mcvax!nikhefh!t68@seismo.css.gov  (Jos Vermaseren)
Subject: Upgrades
To: info-atari16@score.stanford.edu

Today I saw a 2.5 Megabyte 260ST.
The original 260 was expanded with a board that was put in
without soldering and that contained the extra 2 Mbytes.
I was told there were definitely less than 64 chips ( probably
about 16 --> megabits ) and that the package costs around DM1200
( about $600 ). It comes from a company named Weide Electronics.
( I don't know the address yet ).
I was also told that you can only upgrade if you don't have a
1 Mbyte Atari or you will have to remove one memory bank.
Looks like maybe not everybody will have to buy the MegaST immediately,
although I must admit that the MegaST looks very pretty.
The one at Hannover was equipped with a blitter chip and it was said
that that is the standard.

T68@NIKHEFH.UUCP
( Jos Vermaseren )

------------------------------

Date: 14 Mar 87 21:23:06 GMT
From: mcnc!duke!dukempd!hgr@seismo.css.gov  (Hugh Robinson)
Subject: Scientific Wordprocessing ?
To: info-atari16@score.stanford.edu

Toward an interest in buying an Atari for scientific wordprocessing
with laser printer hard copy, what software is available now?

How about Greek fonts, sub/superscripts, equation writers, previewers
for TeX, what-you-see-is what-you-get for equations and figures,
can figures and text be mixed alongside each other, ...?

Thanks for any comments and help.

Hugh Robinson --Physics Dept.,Duke Univ., Durham, NC 27706: (919)-684-8226
     hgr@dukempd    or     ...!mcnc!duke!dukempd!hgr

------------------------------

Date: 13 Mar 87 17:45:19 GMT
From: mnetor!utzoo!utgpu!water!watnot!watdragon!daford@seismo.css.gov
Subject: Who needs an upgrade?
To: info-atari16@score.stanford.edu

I really don't see the problem with hardware upgrades.  Its seems that the
current price trend of UNIX boxes is down, down, down.  In BYTE there is an
ad for a portable BSD 4.2 system that has all the software anyone could want;
the price, $5995US (including hard drive).  The price is dropping on real
machines, Atari knows this and is trying to catch-up with their 68020 box.

For me, the choice is simple.  My next computer will be a real machine, meaning
it will run some flavor of UNIX.  I doubt that I will purchase it from
ATARI.  Every time I go to create a new folder, I remember that I already have
39 of them and decide  that I don't really need it.  What surprises await me
in their 68020 box?  Sorry Jack, I want to drive a Ferrari too so I'm going
to be very careful with my money and "invest" it in a machine/company I can
count on.

Fool me once, shame on you.  Fool me twice, shame on me.

                    Dan Ford

Daniel A. Ford                     daford@watdragon.uucp
CS Department                         daford%watdragon@waterloo.csnet
U. of Waterloo       daford%watdragon%waterloo.csnet@csnet-relay.arpa

------------------------------

Date: 13 Mar 87 14:28:53 GMT
From: mnetor!utzoo!utgpu!water!watnot!watmath!mks!wheels@seismo.css.gov
Subject: Re: CTS/RTS Flow Control Problems
To: info-atari16@score.stanford.edu

In article <25784@rochester.ARPA>, stuart@rochester.ARPA (Stuart Friedberg)
 writes:
> The chips that handle the RS-232C interfaces treat these
> signals as EDGE-TRIGGERED.

I remember reading that, I think in the Abacus book, but then I also heard
that was only in the early versions and had been changed for TOS in ROM.

> The Avatex (and obviously the US Robotics)
> modem asserts CTS as a CONTINUOUS signal until its buffering fills up
> (because the ST is sending characters faster than the modem can ship
> them over the phone line).

Now just a second. As far as I know, none of these modems has buffering.
If the ST is sending at 1200 bps, and the modem is sending to the phone
line at 1200 bps, why should there be? Ditto for 2400 bps.

> It does not flicker or toggle CTS for every
> character.  This is a legitimate RS-232C behavior, I believe.

It is the only legitimate RS-232C behaviour.

--
Gerry Wheeler                  {seismo,decvax,ihnp4}!watmath!mks!wheels
Mortice Kern Systems Inc.

------------------------------

Date: 15 Mar 87 01:33:43 GMT
From: ihnp4!alberta!calgary!stone@ucbvax.Berkeley.EDU  (Glen Stone)
Subject: Re: Magic Sac
To: info-atari16@score.stanford.edu

I got UW (the Sun window terminal software) to run under
Magic Sac. I yet to get my hands on UW for the ST. Does anyone
know where I can get it?

Glen Stone   (!alberta!calgary!stone)

------------------------------

Date: 14 Mar 87 21:50:49 GMT
From: ihnp4!alberta!ubc-vision!fornax!chapman@ucbvax.Berkeley.EDU  (John
 Chapman)
Subject: Re: Adding another Hard Drive??
To: info-atari16@score.stanford.edu

>
> I dove into a Atari hard drive last night and started with my usual play
> tactics.  It seems that the Adaptek controller will support 2 hard disk
> drives.  The current software does not want to see the second drive.
> (No, I didn't really expect it to.) (:>)  Is there a patch that I can do
> to the handler to enable the second drive?  Neil?? Alex??  It would be neat
> to add a second drive and power supply and have more storage!
>
The Berkeley Microsystems (Beckemeyer) board set and software supports
two drives. Since they use the same interface and scsi controller as
Atari I would guess that their driver would let you have two drives on
your Atari system.


------------------------------

Date: 14 Mar 87 22:08:23 GMT
From: cbatt!osu-eddie!osupyr!akw@ucbvax.Berkeley.EDU  (FarOff MicroDesigns)
Subject: Re: Bad monitor, Bad service
To: info-atari16@score.stanford.edu

In article <1987Mar13.141548.24430@gpu.utcs.toronto.edu>
 pete@gpu.utcs.toronto.edu (Peter Santangeli) writes:
>    My monitor developped a glitch a little while ago that takes the form
>of the image shifting left to right or right to left at random interval and
>random distances. The distance is usually less thatn 5 mm and the entire image
>usually shifts, though occasionally I also notice horizontal spikes and wave-
>ering.

Peter:  take a deep breath and relax.  That way you will live longer!

    Seriously though, this is not meant as a flame or even a small
spark...just a beacon of possible help.  My friend here in the dorm had a
similar problem.  He took his SM124 back to the Atari dealer who promptly
gave him a replacement (EXCELLENT return policy here in Columbus), brought
home his new monitor and had similar problems again.

    Given, dormitories probably do not measure up to national electrical
standards and given the RF interference we have here (we are sitting in
between three or four TV station transmitters and as many FM radio trans-
mitters) but when he moved his power supplies and disk drive *away* from the
monitor most of the problems cleared up.

    Try this and try to plug your system in somewhere else in the house.
Otherwise, there could be a problem with your system.

    |                    Andy Weaver
      --+--                     akw@osupyr.UUCP
    |                       The Ohio State University
    | Proverbs 25.25            1774 College Rd Cols, OH 43210

------------------------------

Date: 13 Mar 87 21:51:31 GMT
From: nbires!isis!onecom!wldrdg!tony@ucbvax.Berkeley.EDU  (Tony Andrews)
Subject: B. Dalton bags the ST
To: info-atari16@score.stanford.edu

The local B. Dalton bookstore here in Boulder has stopped carrying
ST software. They never did carry very much of a selection, and never
got any STs in the store to demo stuff with. In spite of that, I tried
to encourage them by buying ST software there whenever possible.

With their limited selection and lack of demo machines, they sure
didn't give the ST much of a chance.

Question to Atari: Are there any other major retailers carrying or
planning to carry ST software?

Tony Andrews
Wildridge Consulting, Inc.
Boulder, CO
...!ihnp4!onecom!wldrdg!tony

------------------------------

End of Info-Atari16 Digest
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