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Subject:      Info-Atari16 Digest V87 #279
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Info-Atari16 Digest   Wednesday, July 15, 1987   Volume 87 : Issue 279

This weeks Editor: Bill Westfield

Today's Topics:

                          Re: Motherboards?
      Re: SCSI drives--how do you connect them to the DMA port?
                 Could an odd format cause problems?
                             MWC contacts
                      timing routines revisited
                          pc ditto, gauntlet
                     DCFORMAT not quite right...
                     ST Phoenix rises from ashes
                        RE: SMALLTALK on Atari
                   Please use "correct" terminology
                IBM floppies // PRINT program wanted?
                   Re: DCFORMAT not quite right...
            experience with Dots Perfect (Epson upgrade)?

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

Date: 11 Jul 87 20:37:32 GMT
From: psuvax1!vu-vlsi!cbmvax!grr@burdvax.prc.unisys.com  (George Robbins)
Subject: Re: Motherboards?
To: info-atari16@score.stanford.edu

In article <1114@tekfdi.TEK.COM> mhorne%tekfdi.tek.com@relay.cs.net (Michael T.
 Horne) writes:
>
> I'm looking for sources of motherboards for the Mac, the ST, and the Amiga.
> I don't know if they are even available, so could someone in the know please
> inform me of the availability of the boards?  I think I heard something
> about Mac motherboards being available, but I need more information.  Any
> info about prices, vendors, and availability would be greatly appreciated.

Amiga 500 main boards are being sold on an OEM basis, currently to several
arcade game manufactures.  Other applications are in the prototyping stage.

Contact Commodore and ask for OEM sales.  Small quantities are also available
through the Commodore service parts channels, but the prices are less
favorable.

--
George Robbins - now working for,    uucp: {ihnp4|seismo|rutgers}!cbmvax!grr
but no way officially representing    arpa: cbmvax!grr@seismo.css.GOV
Commodore, Engineering Department    fone: 215-431-9255 (only by moonlite)

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

Date: 12 Jul 87 20:54:33 GMT
From: kodak!elmgate!jdg@cs.rochester.edu  (Jeff Gortatowsky)
Subject: Re: SCSI drives--how do you connect them to the DMA port?
To: info-atari16@score.stanford.edu

In article <35fac4ff.1f6@apollo.uucp> weber_w@apollo.UUCP (Walt Weber) writes:
>In article <3559@watvlsi.UUCP> rpfeifle@watvlsi.UUCP writes:
>>What pins have to be connected to what lines, what pins have to be dropped
>>etc...
>
>I have no connection with BMS except as a VERY HAPPY customer.
>
>--
>Walt Weber               PHONE: (617) 256-6600 x7004
>Apollo Computer          GENIE: W.WEBER


I also purchased a BMS-1000 (way back before they had manuals!).  I'm
using mine with a 42 meg ST506 drive. I mounted the whole shabang in
a PC clone case with the ACB-4000 piggy backed onto the BMS-1000.
The BMS board supports 2 drives (as does their driver) and also throws
in a battery backed up clock.

I too have no connection with BMS except for the fact they gave me a
BMS-1000 in exchange for $125.


--
Jeff Gortatowsky       {seismo,allegra}!rochester!kodak!elmgate!jdg
Eastman Kodak Company
These comments are mine alone and not Eastman Kodak's. How's that for a
simple and complete disclaimer?

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

Date: 12 Jul 87 20:37:22 GMT
From: tektronix!reed!percival!actor@ucbvax.Berkeley.EDU  (Clif Swinford)
Subject: Could an odd format cause problems?
To: info-atari16@score.stanford.edu

   Does anyone know if using odd formats could lead to hardware problems?
Here's why I ask: last week I tried using a disk I'd formatted to 83 tracks,
10 sectors per track, using maximum step rate. I put Neochrome on it, then
tried to run it. It crashed in a matter of seconds. Ever since then, low
resolution programs crash in seconds and medium-res ones in from minutes to
hours (Uniterm has crashed three times while I was entering this). Using the
Atari diagnostic cartridge at the local service center, everything in the
machine now tests out as intermittently defective. Intermittently, but not
consistently. Swapping out every socketed chip in the machine has done no
good. Any suggestions?
   BTW - my configuration is: older 520ST (made July '85) with standard RAM,
and a homebrew double-drive setup using the same Chinon drives used in the
1040ST. The drive isn't contributing to the problem; I've tried using other
drives with the same results.

--
     Clif Swinford
                   ..!tektronix!reed!percival!actor                        fnor

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

Date: Sat, 11 Jul 87 12:26:10 CET
To: info-atari16@score.stanford.edu
From: HAHN_K%DMRHRZ11.BITNET@wiscvm.wisc.edu
Subject: MWC contacts

Since i received my copy of MWC, i discovered some really weird problems.
I just don't know if its reasonable to use the digest for communicating them.
Perhaps it would be better to install a special MWC-interest-group, or that
people interested in MWC-contacts send me their mail-adresses, so that i can
reach them directly. What's your opinion?
Klaus.


  --- Klaus Hahn ---


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

Date: Sat, 11 Jul 87 11:57:53 CET
To: info-atari16@score.stanford.edu
From: HAHN_K%DMRHRZ11.BITNET@wiscvm.wisc.edu
Subject: timing routines revisited

I finally found a solution for my timing problems; i wrote a little piece
of asm-code (Metacomco) and connected it to another bit of C-code (Lattice
or MWC), wasn't that difficult after all...     I use the A-timer to produce
a 1kHz-interrupt and to provide a counter. Second, i developped a button-
box for reaction-time-experiments, that can be connected directly to the ST
and is checked by the irq-routine every msec. So you can get an input from
the box (up to 8 buttons allowed) that's precisely timed.
If someone's really interested, let me know.

  -- Klaus Hahn --



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

Date: 12 Jul 87 22:49:30 GMT
From: mnetor!utzoo!utgpu!water!watmath!watdcsu!scarlett@seismo.css.gov
Subject: pc ditto, gauntlet
To: info-atari16@score.stanford.edu

Just a few comments on PC ditto.....I have used about 30 IBM programs
sucessfully with this emulator.  Such things as Word Perfect, Lotus,
dBase 111plus, all the Borland turbo languages, Microsoft C, Micro
soft Word etc etc all worked fine.
Too bad it is not worth using the emulator...it is really slow.
SI.exe lists the PC Ditto as running at 0.3 pc speed.
The only program I could stand to use was turbo pascal...turbo prolog
was a joke.

Question: I just read a posting about Gauntlet.  Who makes this program
when will it be released in NA and how much?
I NEED this program :)


Scarlett @ Watdcsu
U of Waterloo, Canada

--
This is a signature?

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

Date: 12 Jul 87 12:04:26 GMT
From: mcvax!ukc!dcl-cs!bath63!pes@seismo.css.gov  (Smee)
Subject: DCFORMAT not quite right...
To: info-atari16@score.stanford.edu

Carrying on with my experiments with swapping 3.5 inch disks between the ST and
an IBM clone, I tried using DCFORMAT's 'put on a MS/DOS header block' feature.
(The disk had been formatted 'normally' (DS, 80 trk, 9 sect) using DCFORMAT.

Our PC (using DOS 3.2) was not at all happy with it.  Was a bit funny, though.
The files (put on on the ST) 'listed' correctly.  DOS had no problems with
the directory (root).  Files less than one cluster long read correctly.
However, files > one cluster were painfully garbaged.  So, something goes
wrong when the IBM has to look at the FAT.  (For short files, it doesn't have
to check the FAT to determine end of file, because of course the length is
contained in the directory entry.)

The only immediately obvious difference between the ST and PC standard formats
(outside the header) is that the ST allocates 5 sectors per FAT and the IBM
allocates 3.  However it is hard to believe that MS/DOS could be stupid enough
to be trapped by this.

In looking at the available MS/DOS documentation, though, I note that there is
a bit of information contained somewhere on the disk (not clear whether header
block or in FAT -- poor doc) which tells MS-DOS whether the medium uses 12-bit
FAT entries, or 16-bit FAT entries.  I suspect (but can't tell due to lack of
definitive documentation about MS/DOS disk format) that DCFORMAT is putting
the disk into a state where one of the machines (probably the ST) thinks that
FAT entries are supposed to be 12 bits, while the other thinks they are
supposed to be 16 bits.  That would very nicely explain the observed behaviour.

Moral?  If you're going to swap disks between a PC and an ST, format them on
the IBM.  DCFORMAT doesn't seem to handle this case correctly yet.

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

Date: 12 JUL 1987 14:29:04 EST
From: 
To: info-atari16@score.stanford.edu
Subject:  ST Phoenix rises from ashes
Reply-To: 

It seems the ST Phoenix has risen from the ashes, reincarnated in the form
of the Magic Sac.

While Atari has become completely invisible (is it my imagination, or does
this date back to the public stock offering?), David Small and folks at Data
Pacific haved made continuous and dramatic progress on the Magic Sac, to the
point where the Sac (which is a Mac-emulator) is more of a real computer
than the ST is.

Recent additions to the Magic Sac repertoir include double-sided disk drive
support and a new zerostore handler which allows a whole new
realm of applications to run.  Really, there is now very little that won't
run.  The spate of chaotic (i.e., apparently random) crashes which bugged
earlier releases has been solved; there are now very few actions that won't
crash a Mac that have any effect on the Sac.  You can print on your Epson-
compatible if you buy the driver.

David Small is easy to reach on Compuserve, where the Sac discussions are
active.  Beta releases are commonly posted there; one major revision was
offered to users for a mere $10.

Promised additions include hard disk support and a new Magic Drive which lets
the Magic Sac read and write disks in Mac format.  Contrary to some other
companies, Mr. Small has always kept his promises.  He is also honest enough
to avoid promising delivery dates, but keeps his users aware of the state of
progress.

Recently, I had an intermittent hardware failure in the cartridge.  It was
quickly repaired at no charge, even though it was out of warranty.

Although I have no legal connection to Data Pacific, I can't claim I have no
financial connection to them, for they have saved me quite a few dollars by
converting my doorstop into a useful machine.

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

Date: Mon, 13 Jul 87 10:07:29 EDT
From: csrobe@icase.arpa (Charles S. Roberson)
To: info-atari16@score.stanford.edu
Subject: RE: SMALLTALK on Atari

    The NOVATARI (User Group) has a *LARGE* Library of Public
Domain disks, the list contains a SMALLTALK disk for the ST.  I
meant to get a copy before I left Washington.  I just got a this
month's Current Notes (Nationally Acclaimed User Group newsletter/
magazine) and I will get the address of where to write if anyone
wants it.  Disks are about $4.00 plus P&H.

    The Current Notes ST library index came across the net
a few weeks back in the Atari Digest.  Someone in Canada posted
it.

-chip roberson
csrobe@icase.arpa
...seismo!gmu90x!wmcs!csrobe

    1105 London Company Way
    Williamsburg,  VA  23185
    (804) 229-7524

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

Date:      Mon, 13-JUL-1987 09:32:05.91 CST
From:  (System Manager)
Subject:   Please use "correct" terminology
To: 

>I just got some bad news from Dave Addison about two of his programs,
>Monopoly and Millebourne. ...
>was a copyright infringment.  So rather than argue, Dave agreed to spread
>the (bad) news that all copies of his Monopoly and Millebourne are to be
>erased.  They now fall under the catagory of pirated software.
                                              ~~~~~~~~~~~~~~~~

The poster of this message should have stopped at the word 'erased.' and
left it at that.  The software is NOT pirated, and the term does a disservice
to all ST owners who downloaded or otherwise obtained the two programs in
question.  We haven't "pirated" anything -- Dave Addison simply made a mistake
in programming too closely to the original.

Of course, all users should remove the offending programs from their libraries.
But PLEASE, don't use the word "pirated".  It implies that WE have stolen
a commercial program, and is incorrect terminology.

-- Dave Meile                           davidli@simvax.bitnet

Health Computer Sciences, University of Minnesota
Box 511 UMHC, 420 Delaware St. SE, Minneapolis, MN 55455
(612) 625-3694

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

Date: Mon, 13 Jul 87 17:50:24 SET
To: info-atari16@score.stanford.EDU
From: WALDI%DHDIHEP1.BITNET@wiscvm.wisc.edu
Return-Receipt-To: WALDI@DHDIHEP1.BITNET
Subject: IBM floppies // PRINT program wanted?

Date: 13 July 1987, 17:47:18 SET
From: Dr. Roland Waldi          phone (6221) 564334  WALDI    at DHDIHEP1
      Inst. fuer Hochenergiephysik
      Schroederstr. 90
      D-6900 Heidelberg
To:   INFO-ATA at SCORE.ST

Hello Atari-Netters,

there was some discussion on IBM---ST floppy transfer; here are
my experiences: I have an IBM PC connected via 7171 protocol
converter to an IBM mainframe. Only recently I have added a
3 1/2" external drive to the PC, and I'm downloading files
(text and UUEncoded) via KERMIT (MS-Kermit 2.29) to this drive.
I had no problems reading and UUdecoding these files at my
Atari! Furthermore, I can write new files on the floppy,
create new subdirectories ("folders"), and put files into them,
and read anything without any trouble on the IBM-PC, as well as
transferring it via KERMIT to the mainframe (Carets ^ are
translated to EBCDIC "not", as usually in BITNET, but not to tilde).
I can NOT read ATARI-formatted floppies on the PC,
even with an MS-DOS boot sector created by PCFORMAT.
But, as I mentioned, I can create new folders at the ATARI
on a PC formatted disk.
(someone here reported about problems with that, who was he/she?)

Here is a test, how ATARI characters transfer (I have omitted
CR, LF, ESC, SUB, DEL), in ASCII sequence:

0123456789ABCDEF0123456789ABCDEF
................................
 

   R.0.1
 !"#$%&'()*+,-./0123456789:;<=>?.2.3
@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_.4.5
`abcdefghijklmnopqrstuvwxyz{|}~ .6.7


R.8.9
 !"#$%&'()*+,-./0123456789:;<=>?.A.B
@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_.C.D
`abcdefghijklmnopqrstuvwxyz{|}~'.E.F

Looks already messy on the IBM4341! Now my second point:

Is anybody on the net interested in a PD program with the
following features?

- print program sources and other text files (ASCII + Atari characters)
  on a NEC (P6/P7) or compatible printer, connected to the parallel port
- set P6/P7 printer parameters
- variable character widths:  10, 12, 15 or 20 characters/inch
- line spacing:      4,  5,  6,  6.7, 8 or 10 lines/inch
- optional bottom line:  with text and page number
- optional mode:     Draft or NLQ
- optional page eject control character in column one
  (e.g. for FORTRAN ANSI files)
- variable left margin
- variable line width to be used
- variable number of lines per page
- selectable range of lines from the file to be printed

I could also send the source (megamax C), if someone wants to
change it for other brand of printers.
But since there are much similar programs around i hesitate
posting it to the net.
There are more PD programs to come, as soon as I got around and
wrote some short doc.

Roland Waldi

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

Date: 13 Jul 87 15:59:36 GMT
From: oliveb!dragon@ames.arpa  (Give me a quarter or I'll touch you)
Subject: Re: DCFORMAT not quite right...
To: info-atari16@score.stanford.edu

in article <1417@bath63.ux63.bath.ac.uk>, pes@ux63.bath.ac.uk (Smee) says:


 > Carrying on with my experiments with swapping 3.5 inch disks between the ST
 and
 > an IBM clone, I tried using DCFORMAT's 'put on a MS/DOS header block'
 feature.
 > (The disk had been formatted 'normally' (DS, 80 trk, 9 sect) using DCFORMAT.

 > Our PC (using DOS 3.2) was not at all happy with it. Was a bit funny, though
 > The files (put on on the ST) 'listed' correctly.  DOS had no problems with
 > the directory (root).  Files less than one cluster long read correctly.
 > However, files > one cluster were painfully garbaged.  So, something goes
 > wrong when the IBM has to look at the FAT.  (For short files, it doesn't hav
 > to check the FAT to determine end of file, because of course the length is
 > contained in the directory entry.)



When I modified the boot sector of an ST disk, as instructed a while back
(using Norton's 4.0 on a PS/2 Model 50 running PC-DOC 3.30),  the PC could
dir the disk fine, but any files we tried to copy off would be truncated.
Could this be related in any way?  I was hoping to not have to copy 30
disks to IBM format to get them on a BBS run on an IBM... it would take
weeks!


--
Dean Brunette                      {ucbvax,etc.}!hplabs!oliveb!olivej!dragon
Olivetti Advanced Technology Center     _____   _____   __|__   _____
20300 Stevens Creek Blvd.              |     |  _____|    |    |
Cupertino, CA 95014                    |_____| |_____|    |__  |_____

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

Date: Mon, 13 Jul 87 12:41:12 pdt
From: neville@ads.arpa
To: info-ibm-pc@c.isi.edu
Subject: experience with Dots Perfect (Epson upgrade)?

i just picked up a used Epson FX100, and am considering installing the
"Dots Perfect" upgrade (ROMs only, i think).  If anyone has any direct
experience (or even reliable second-hand info) regarding this upgrade,
please reply to me by mail.  Thanks.

                        -neville


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
U.S. Mail:  Neville D. Newman
        Advanced Decision Systems
        201 San Antonio Circle, Suite 286
        Mountain View, CA  94040-1289

Phone:        (415) 941-3912
Net mail:   neville@ads.arpa    (internet-relative)

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

End of Info-Atari16 Digest
**************************
-------