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Date: 1987-10 atari800xl.org comp.sys.atari.8bit
Atari Trak-Ball for sale  
 
1.  ranjit  
 More options Oct 1 1987, 2:06 am
Newsgroups: comp.sys.amiga, comp.sys.atari.st, comp.sys.atari.8bit, comp.sys.cbm, comp.sys.mac, comp.sys.ibm.pc, ba.forsale, misc.forsale
From: ran@cory.Berkeley.EDU.UUCP -
Date: Wed, 30-Sep-87 13:06:49 EDT
Local: Thurs, Oct 1 1987 2:06 am
Subject: Re: Atari Trak-Ball for sale
| | | | | | |

>   Atari "Trak-Ball" for sale.  It has a trackball/joystick switch.
>   Brand new condition.  Asking for $15 plus postage or best offer.

I might nte, for those of you who were looking for a trackball, that Kaybee
Toys, an apaprently nationwide chain, is selling Atari trackballs for
$8.  Also radio controlled joysticks, a pair for $12, but those just
seem so decadent...

Disclaimer: I have no relationship with Kaybee Toys except as a customer.
(I buy all my bubble-soap there.)

 .......(o o).......  ran@cory.berkeley.edu
 ---vvv---U---vvv---  ucbvax!cory!ranjit


 
Undeliverable Mail  
 
1.  InfoMail-Mailer  
 More options Oct 1 1987, 1:03 pm
Newsgroups: comp.sys.atari.8bit
From: InfoMail-Mai@WALKER-EMH.ARPA.UUCP -
Date: Thu, 1-Oct-87 00:03:00 EDT
Subject: Undeliverable Mail
| | | | | | |
Mail was not delivered to the following users because
there were bad address(es) in TO and/or CC field(s):
        info-atari
UNDELIVERED-MESSAGE:
----------------------------------------------------------------
Received:  from BBN.COM by WALKER-EMH.ARPA ; 1 Oct 87 03:52:47 GMT
Received-2:  from score.stanford.edu by BBN.COM id aa24043; 30 Sep 87 17:32 EDT
Date:  Wed 30 Sep 87 10:21:38 PDT
Subject:  Info-Atari8 Digest V87 #86
From: Info-Atari8 @ SCORE.STANFORD.EDU
Errors-to:   Info-Atari8-requ@Score.Stanford.EDU
Maint-Path:  Info-Atari8-requ@Score.Stanford.EDU
To: Info-Atari8 Distribution List:
Reply-to:  Info-Ata@SCORE.STANFORD.EDU
Text:
Info-Atari8 Digest   Wednesday, September 30, 1987   Volume 87 : Issue 86

This weeks Editor: Bill Westfield

Today's Topics:

                     Welcome message information
                         new welcome message
                         Re: ARC file format?

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

Mail-From: G.ABRAMS created at 29-Sep-87 18:59:04
Date: Tue 29 Sep 87 18:59:04-PDT
From:  Info-Atari Moderator <G.ABR@Score.Stanford.EDU>
Subject: Welcome message information
To: info-ata@Score.Stanford.EDU, info-atar@Score.Stanford.EDU

From time to time I am reminded by a message asking the operation
of the lists that it is necessary to periodically send out the
welcome message.  It contains valuable information about the location
of information.

I would appreciate receiving updates to this information (sent to
abr@mitre.arpa) and offers to help fix whatever is broken.  At
present I have some doubts about certain items; I hope I am wrong.

        Marshall Abrams

1.  Welcome
_   _______

     Welcome to info-atari.

2.  Sending Messages
_   _______ ________

     You may send messages to all "subscribers" by  address-
ing it to
               info-ata@score.stanford.edu
and/or
              info-atar@score.stanford.edu

     Administrative messages should be sent to
                 info-atari{8,16}-request.

Please do NOT send general messages to this  address.   Your
moderators get enough mail as it is!

3.  Ground Rules
_   ______ _____

     All messages should be in good taste.  Commercial  mes-
sages and advertisements are not permitted. When answering a
question,  please  consider  carefully  whether  the  answer
should go to the whole list, or just to the person who asked
the question.

     The following ground rules should make the use of  this
(or of any other) mailing list much easier:

*       never send a message that a  totally  irrelevant  to
        the  mailing list's purpose to a mailing list.  This
        especially includes any expressions of irritation at
        another list member.

*       never forward a message that is  totally  irrelevant
        to the mailing list's purpose to a mailing list.

*       when replying to a message on a mailing list,  reply
        only  to  the sender of the message unless the reply
        is of interest to the entire mailing list.

*       avoid inserting the message being replied  to  in  a
        reply,  especially  in  a message going to a mailing
        list.  The context of the reply should be clear from
        *your* reply and from various mailer functionalities
        such as Message-ID.

*       when replying to an earlier reply that violates  the
        previous  rule, ABSOLUTELY DO NOT make matters worse
        by adding your own violation.

4.  LISTSERV
_   ________

     LISTSERV provides a number of features  which  you  can
access  by sending mail (note) to LISTSERV.  Only the barest
minimum are described herein. On Bitnet messages  should  be
sent  to  your  nearest  LISTSERV  (the  one  from which you
receive the info-atari digests).  (If your address is not on
Bitnet,  an  address  for  file servers is given below.) All
mail sent to LISTSERV contains command lines.  LISTSERV will
respond  by  return  mail.   No subject is necessary in such
mail.  For more information send the command
                           INFO

4.1.  List Names
_ _   ____ _____

     The list_name  for  16-bit  Ataris  is  INFO-A16.   The
list_name for 8-bit Ataris is INFO-A8.  These list names are
used by Bitnet addressees for subscribing and  unsubscribing
and  by  everyone for obtaining back copies of news digests.
The list_names for  programs  stored  in  the  archives  are
PROG-A16 and PROG-A8.

4.2.  (Un)Subscribing
_ _    __ ___________

     If you are on Bitnet you may  add  or  remove  yourself
from  the  distribution  list.  It would greatly convenience
the moderators if you would do so when you no longer wish to
receive digests.

     The command to join the list is
               SUBSCRIBE list_name User_name

The command to remove yourself from the list is
                   UNSUBSCRIBE list_name

     Note that the list was established with all  user_names
unknown.  To enter your name, send a SUBSCRIBE command.

     It would be most convenient if users took care of their
own  subscribing  and  unsubscribing,  but messages to INFO-
ATARI-REQUEST{8,1@SCORE.STANFORD.EDU   will    still    be
accepted.

4.3.  File Server (Archives)
_ _   ____ ______  ________

     The following  service  is  being  installed  beginning
February  1987; we will announce when everything is in place
and "known" to be working.

     All messages are in the  archives.  In  addition,  some
contributed  programs are also there.  You can obtain copies
of files from LISTSERV by sending a message in the specified
format.

     If you are on ARPAnet (or gatewayed to it),  your  mail
should be addressed to
          LISTSERV%CANADA01.BIT@WISCVM.WISC.EDU

     To obtain a list of files in the file server, the  com-
mand is
                      INDEX list_name

The command to obtain a specific file is
                  GET list_name file_name

for example,
                   GET INFO-A16 87-00076

If you want to learn more, send the message
                            HELP

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

Date: Sun, 9 Aug 87 17:00:37 EDT
From: abrams%community-chest.mitre.@gateway.mitre.org
To: g.abr@score.stanford.edu
Subject: new welcome message

1.  Welcome
_   _______

     Welcome to info-atari.

2.  Sending Messages
_   _______ ________

     You may send messages to all "subscribers" by  address-
ing it to
               info-ata@score.stanford.edu
and/or
              info-atar@score.stanford.edu

     Administrative messages should be sent to
                 info-atari{8,16}-request.

Please do NOT send general messages to this  address.   Your
moderators get enough mail as it is!

3.  Ground Rules
_   ______ _____

     All messages should be in good taste.  Commercial  mes-
sages and advertisements are not permitted. When answering a
question,  please  consider  carefully  whether  the  answer
should go to the whole list, or just to the person who asked
the question.

     The following ground rules should make the use of  this
(or of any other) mailing list much easier:

*       never send a message that a  totally  irrelevant  to
        the  mailing list's purpose to a mailing list.  This
        especially includes any expressions of irritation at
        another list member.

*       never forward a message that is  totally  irrelevant
        to the mailing list's purpose to a mailing list.

*       when replying to a message on a mailing list,  reply
        only  to  the sender of the message unless the reply
        is of interest to the entire mailing list.

*       avoid inserting the message being replied  to  in  a
        reply,  especially  in  a message going to a mailing
        list.  The context of the reply should be clear from
        *your* reply and from various mailer functionalities
        such as Message-ID.

*       when replying to an earlier reply that violates  the
        previous  rule, ABSOLUTELY DO NOT make matters worse
        by adding your own violation.

4.  Archives
_   ________

     Archives are kept in several places in  formats  avail-
able  to  everyone.   As  described  below,  if  you  are on
ARPANET/DDN you will probably find  it  more  convenient  to
retrieve  files  from the archive on radc-softvax.arpa using
FTP.  If you are not on ARPANET/DDN, or are  unable  to  use
FTP,  you  will be able to retrieve files from archives dis-
tributed over several Bitnet hosts by sending  mail  (notes)
to a program called LISTSERV.

4.1.  Archives on radc-softvax.arpa
_ _   ________ __ ____ _______ ____

     Files from radc-softvax.arpa are available by FTP.  FTP
will  work only for hosts directly connected to ARPANET/DDN.
Please obtain local documentation and  advice  for  the  FTP
user  programming running on your host. There are two direc-
tories under the anonymous account. One for atari8  and  one
for atari16.

     FTP   to    radc-softvax    using    login:guest    and
password:guest. To get the current list of available atari16
files do a 'get atari16/files.doc'. All of the atari16 files
are  stored  in  the  atari16  subdirectory. If you need any
other information, contact Marc Poulin.

     The archive is maintained by  Rodney  Peck  (Peck@radc-
multics.arpa)  and  Marc Poulin (Pou@radc-multics.arpa or
Archi@radc-softvax.arpa).

4.2.  LISTSERV
_ _   ________

     LISTSERV provides access to files for everyone who  can
send  mail,  independent  of their location.  Note, however,
that intermediate notes have been known to refuse to  handle
long  messages  or  have  damaged them in transit.  LISTSERV
provides a number of features which you can access by  send-
ing  mail  (note)  to LISTSERV.  Only the barest minimum are
described herein. On Bitnet messages should be sent to  your
nearest  LISTSERV  (the one from which you receive the info-
atari digests).  (If your  address  is  not  on  Bitnet,  an
address  for  file servers is given below.) All mail sent to
LISTSERV contains command lines. ...

 


 
 
2.  InfoMail-Mailer  
 More options Oct 4 1987, 12:31 pm
Newsgroups: comp.sys.atari.8bit
From: InfoMail-Mai@WALKER-EMH.ARPA.UUCP -
Date: Sat, 3-Oct-87 23:31:00 EDT
Subject: Undeliverable Mail
| | | | | | |
Mail was not delivered to the following users because
there were bad address(es) in TO and/or CC field(s):
        info-atari
UNDELIVERED-MESSAGE:
----------------------------------------------------------------
Received:  from BBN.COM by WALKER-EMH.ARPA ; 4 Oct 87 03:26:27 GMT
Received-2:  from score.stanford.edu by BBN.COM id aa27657; 3 Oct 87 23:24 EDT
Date:  Sat 3 Oct 87 17:51:40 PDT
Subject:  Info-Atari8 Digest V87 #87
From: Info-Atari8 @ SCORE.STANFORD.EDU
Errors-to:   Info-Atari8-requ@Score.Stanford.EDU
Maint-Path:  Info-Atari8-requ@Score.Stanford.EDU
To: Info-Atari8 Distribution List:
Reply-to:  Info-Ata@SCORE.STANFORD.EDU
Text:
Info-Atari8 Digest   Saturday, October  3, 1987   Volume 87 : Issue 87

This weeks Editor: Bill Westfield

Today's Topics:

                 Critcism or Embarassment,ATARI corp?
                          Standalone OmniCom
                         Re:  Need modem help
                       New Atari Hardware News

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

Date:          Thu, 1 Oct 87 16:23 EDT
From: <DFLINT02%ULKYVX.BIT@forsythe.stanford.edu>
Subject:       Critcism or Embarassment,ATARI corp?
To: info-ata@score.stanford.edu
X-Original-To: info-ata@score.stanford.edu

Tramiel and many members of his staff have considered the 8-bit
machine, enhanced, as a competitor for the ST.  Also the Game
machine image of the ATARI 8-bits machines does not seem to warrant
any type of upgrade.  I have stated that i would support any
upgrades that ATARI would develope for the 8-bit.  Besides a little
criticism never hurts.  Tramiel does not take the 8-bit to seriously.
JWT and Landon Dyer are the most helpful people atari has on this
net.

Answer this question why did a ATARI try to block the release
of the PD 8-bit emulator for the ST????? Don't quote Propietary OS.

Mike Buford
(Novice Hardware Hacker!)
(An ACTION Programmer!)
Dflint02@ulkyvx or Cl150@ulkyvm.bitnet

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

Posted-From: The MITRE Corp., Bedford, MA
To: info-ata@score.stanford.edu
Subject: Standalone OmniCom
Date: Fri, 02 Oct 87 17:55:16 EDT
From: j@mitre-bedford.ARPA

A couple of weeks ago, I posted a new "shareware" version of CDY's OmniCom
to the net.  Unlike the original OmniCom, this version does not require the
installation of the OMNIVIEW chip.  I have the feeling it made it out to
BITNET but not to the ARPA side.  Did anybody on the ARPAnet receive it?  If
not, is anyone interested?  I can either e-mail it or (if there is enough
demand) post it again.

OmniCom is a vt100 emulator with 80-column display and support for kermit,
xmodem, and plain ASCII data capture and send from file.  Also, it has a
handy "Print Screen" function for printing short messages.  I have found it
highly satisfactory for use with my VAX screen editor, and have not even
needed to install a special termcap file -- it acts just like a real vt100
in almost all respects.

-John Sangster / j@mitre-bedford.arpa

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

Date: 2 Oct 87 16:04:27 PDT (Friday)
Subject: Re:  Need modem help
From: eki@ARDEC.Arpa
To: mbeez.Hous@Xerox.COM

GVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGV
From: "Edmund S. Kijak" (IMD-IPAO) <eki@ARDEC.ARPA>
To: decvax!cg-d!gil@UCBVAX.Berkeley.EDU
cc: info-ata@SCORE.STANFORD.EDU
Subject: Re:  Need modem help
Return-Path: <@Score.Stanford.EDU:eki@ARDEC.ARPA>
Redistributed: XeroxAtari8Users^.X
Received: from Score.Stanford.EDU by Xerox.COM ; 04 FEB 87 07:18:38 PST
Received: from ARDEC-3.ARPA by SCORE.STANFORD.EDU with TCP; Wed 4 Feb 87
06:28:48-PST
Original-Date: Wed, 4 Feb 87 9:28:56 EST
Message-ID: <8702040928.aa14@ARDEC-3.ARDEC.ARPA>
GVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGV

     I don't know how to do it, but you ought to be able to use any
modem with
your 8 bit machine.  I found out by accident that the 8-bit operating
system
which is built into the machine (i.e., it's there even if you don't have
a disk
drive)includes software for inputting and outputting data on the serial
port.
It follows the standard custom of sending the bytes out one bit at a
time on a
single pin.  Incoming data is received on another pin of the serial
port.  Each
byte is preceded by a start bit, and is followed by a stop bit, and the
data
bits are ordered least-significant-bit first, six more bits,
most-significant
bit last.  This is standard asynchronous serial transmission with 8 data
bits,
one start bit, one stop bit, no parity.  The baud rate is settable by
pokeing
the appropriate memory locations, and setting up the serial port for
asynchronous I/O is also done by pokeing appropriate codes into the
right
addresses.  Sorry, I don't have the addresses or the values that must go
into
them.  These can be found in the hardware manual, or other published
literature.You may have to write your own software to configure the port
and input and
output the data, unless your already have some program that interfaces
with a
modem or does terminal emulation.
     On the hardware side, the voltage levels used by the serial port
are not
compatible with what a modem expects to see.  The serial port operates
at TTL
levels: logic 0 = zero volts, logic 1 = 5 volts.  The modem expects
RS-232
levels: logic 0 = +3 to +24 (I think) volts, logic 1 = -3 to -24 volts.
You
must provide the hardware to do the voltage level translation.  The
easiest way
to do this is to use a chip such as the Maxim MAX232 which requires only
5 volts
and can be powered by the 5 v pin in the serial port itself.  This chip
generates its own +9 and -9 volts for the RS232 levels and translates
incoming
RS232 levels to TTL levels.  Only a few external components need to be
connected
to the chip (a few small capacitors and resistors) and the circuit is
very
simple (see MAX232 data sheet).
     I'm amazed at the number of features that were included in the
original
8-bit machines that were not advertised or brought to the attention of
purchasers.  Included at no additional expense were horizontal and
vertical
smooth and coarse scrolling, animation by page flipping, custom display
lists,
sprites, joystick ports that can be used for output as well as input,
paddle
ports that can accept photocell and resistance thermometer inputs, tone
generation for dialing touch tone phones, asynchronous serial port for
communicating with modems or other (multivendor) computers.  And all
this stuff
was accessible through BASIC, worked with only 16kbits of memory, and
didn't
require a disk drive or expansion box.

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

Date: 2 Oct 87 09:22:04 GMT
From: motsj1!mcdchg!upba!eecae!conk@hplabs.hp.com  (Terry Conklin)
Subject: New Atari Hardware News
To: info-ata@score.stanford.edu

The following is a collection of hardware announcements that I
have collected as a function of being the Admin for the Club
Network. I always try and keep the Club's 8-bit people abreat
of the latest news, so, while commercial in nature, this isn't
meant as an ad proper as much as a list of new hardware and
software that I have found for the 8-bit.

From Terrific Corp. I have received the following information
about this home control system:
"The X-10 POWERMANAGER SYSTEM

Now you can finally use your Atari Home Computer to conveniently
create, store and recall programs that can be loaded into the
X-10 PowerHouse controller to control lights, appliances and
other devices hooked up to X-10 control modules throughout your home.

There are two X-10 interface kits available from Terrific Corp.
One kit includes an X--10 PowerHouse Computer interface, a special
Atari interface adaptor and the Powermanager software. For those
who already have the PowerHouse computer interface, the software
and adaptor are available seperately.

The Powermanager software takes full advantage of the PowerHous
interface. Features include:

-Up to 256 modules can be individually controlled. Modules can be grouped
together to allow control of an 'infinite' number of devices.
-Lights and appliances can be programmed to turn on or off at specified
times through the use of a timer event schedule. In addition, lights
can be programmed to dim to 16 intenstities.
-Timer event schedules can hold up to 128 events, a single event can
control up to 16 modules.
-Timer event schedules can be created, stored and edited on disk.
-Modules can be controlled instantly from the Atari.
-Software allows use of joystick or keyboard
-48K required, machine language, drive.

Terrific Corp.
17 St Mary's Court
Brooklin, MA 02146
(617) 232-2317"

You all know these things. The dreaded BSR controller returns.
Actually, these really ARE cool. I have a friend with equivalent
software on his TRS Coco. It's all very impressive and neat.
The only problem is that control modules get expensive as you
wire up a whole house. He bought out an RS inventory at $3 a
module or so. The only way to do it.

More exciting Atari 8bit hardware came recently from the yet scarier
IRATA VERLAG corp. Their offerings included:

512K card for the 800XL....$170
512K special chip for use
with above card............$52
Card and Chip together.....$200
6 OS System Box : Basically the equivalent of the RAM-ROD XL.
This allows you to have 6 diffeent OS chips and then to
select amongst them with a switch.
...........................$50
HIGH CHIP: for people who have the Happy drive enhancement.
This chip has a hidden menu. Hold don select while you press
RESET and you get a menu with the options for COLD START,
SECTOR COPY, or TURN HAPPY ON/OFF. "Saves times."
...........................$50
XE CHIP WITH RAMDISK.......$75  (doesn't say anything else!)
OLD SYS CHIP:
Replacement OS chip for XL/XE's for 400/800 compatibility
...........................$???
-------------------------------
All chips that have something to do with the Happy have a special
feature. For people who know machine language, the happy
can load any protected disk into the happy ...

 


 
 
3.  InfoMail-Mailer  
 More options Oct 8 1987, 11:26 pm
Newsgroups: comp.sys.atari.8bit
From: InfoMail-Mai@WALKER-EMH.ARPA -
Date: Thu, 8-Oct-87 10:26:00 EDT
Subject: Undeliverable Mail
| | | | | | |
Mail was not delivered to the following users because
there were bad address(es) in TO and/or CC field(s):
        info-atari
UNDELIVERED-MESSAGE:
----------------------------------------------------------------
Received:  from BBN.COM by WALKER-EMH.ARPA ; 8 Oct 87 13:55:58 GMT
Received-2:  from score.stanford.edu by BBN.COM id aa07823; 8 Oct 87 9:44 EDT
Date:  Tue 6 Oct 87 10:03:26 PDT
Subject:  Info-Atari8 Digest V87 #88
From: Info-Atari8 @ SCORE.STANFORD.EDU
Errors-to:   Info-Atari8-requ@Score.Stanford.EDU
Maint-Path:  Info-Atari8-requ@Score.Stanford.EDU
To: Info-Atari8 Distribution List:
Reply-to:  Info-Ata@SCORE.STANFORD.EDU
Text:
Info-Atari8 Digest   Tuesday, October  6, 1987   Volume 87 : Issue 88

This weeks Editor: Bill Westfield

Today's Topics:

                    Standalone (shareware) OmniCom
                            XF551 and ADOS
                          kermit information
                         some silly programs
                Dhrystone figures for the Atari 800xl
                          SX212 info sought
                       What's the right way...

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

Posted-From: The MITRE Corp., Bedford, MA
To: info-ata@score.stanford.edu
Subject: Standalone (shareware) OmniCom
Date: Sat, 03 Oct 87 23:47:45 EDT
From: j@mitre-bedford.ARPA

Steven Grove, your message arrived with no useable return path, so I am unable
to reply directly.

Steve comments that he would like to download OmniCom but has no terminal
software with which to download it.  This situation keeps coming up.  Can't
somebody come up with a simple downloading program?  The following program
might be turned into something that can be used for this purpose by
adding some machinery to buffer the received data in a string, then
CLOSE the serial I/O and write the string to a file.  Steve, maybe you
could be the one to get this working.  Meanwhile, the program below, as
it stands, may be enough to let you at least log in as a dumb terminal.
You may have to fiddle to get it working, but it is what Avatex publishes
with their modem as a simple terminal program.

-John S.
-------------------------------c-u-t---h-e-r-e--------------------------------
10 GOTO 310:REM Dumb Terminal Prog.
100 STATUS #3,AVAR:IF PEEK(747)=0 THEN 200
120 GET #3,CHAR:IF CHAR=0 OR CHAR=10 THEN 200
130 PUT #4,CHAR
200 IF PEEK(764)=255 THEN 100
210 GET #2,KEY:PUT #3,KEY:GOTO 100
300 REM I/O Setup for Dumb Terminal.
310 OPEN #2,4,0,"K:"
320 OPEN #3,13,0,"R:"
330 OPEN #4,8,0,"E:"
340 XIO 34,#3,192+48+3,0,"R:"
350 XIO 40,#3,0,0,"R:"
360 GOTO 100:REM Go to it!

[I have a very simple basic program for the IBM PC that downloads files
 using the xmodem protocol.  It might be easilly convertable to the atari.
 Someone drop me a note if they are interested... B@Score.stanford.edu]

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

Date: Mon, 5 Oct 87 08:44:19 EDT
From: laz@gateway.mitre.org
To: info-ata@score.stanford.edu
Subject: XF551 and ADOS

I have seen the XF551 advertized in ANTIC, but haven't seen any word on
the ADOS that supposedly accompanies it.  You would think this would
be a big deal and worthy of a review.  Anyone seen the drive for real
or used ADOS?
        Walt Lazear (laz@gateway.mitre.org)

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

Date: Mon, 5 Oct 87 14:31:14 PDT
From: dav@tc.fluke.com (David Pryor)
To: info-ata@score.stanford.edu
Subject: kermit information

I have a little problem. I would like to have a copy of kermit on my atari
but have no way of down loading it to the atari. I would be willing to mail
a disk and a stamped mailer if some one would be willing to copy it for me.
                        Thanks in advance

                        Dave Pryor  dav@tc.fluke.COM

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

Posted-From: The MITRE Corp., Bedford, MA
To: info-ata@score.stanford.edu
Subject: some silly programs
Date: Mon, 05 Oct 87 22:48:52 EDT
From: j@mitre-bedford.ARPA

Probably everybody who ever got a home computer must have written one of each
of the following programs, but I thought a few readers of these postings might
find them useful nevertheless, especially "APRPROG.BAS", which computes the
effective Annual Percentage Rate of a loan.

-John Sangster / j@mitre-bedford.arpa
------------------------------------------------------------------------------
MORTGAGE.BAS - Simple loan payment calculator.  Given the Annual Percentage
Rate of interest, the number of payments per year (normally 12), and the total
number of PAYMENTS in which loan is to be paid off, returns the monthly
payment amount.  (E.g. for 30 years of monthly payments, there are 360
payments.) The above is obtained by "RUN" or GOTO 100.  If you start the
program instead with "GOTO 400", it prints, on your printer, a table of
"dollars per thousand" loan amounts for a range of interest rates you select
and for a set of convenient loan durations (15, 20, 25, 30 years).  (C) 1987
by John H. Sangster, placed in the public domain for non-commercial use; all
commercial rights reserved.
-------------------C-u-t---h-e-r-e---f-o-r---MORTGAGE.LST---------------------
100 PRINT "}"
110 PRINT "MORTGAGE CALCULATOR by JHS"
120 ? "Revised 10 August 1986":?
130 N=300:NOLD=300:REM 25 YEARS
140 PRINT "ANNUAL PERCENT INTEREST";
149 TRAP 162
150 INPUT I:IF I>0 THEN GOTO 170
160 IF I>0 THEN GOTO 170
161 PRINT "I <=0, SO..."
162 END
170 IF I>=1 THEN GOTO 200
180 I=I*100:? "TIMES 100 ASSUMED"
181 GOSUB 320
200 PRINT "PAYMENT PERIODS/YEAR";
205 TRAP 211
210 INPUT K:GOTO 220
211 ? "MONTHLY PAYMENTS ASSUMED":K=12:GOSUB 320
220 IF K<=0 THEN STOP
230 LET IP=I/(K*100):REM INT/PERIOD
240 PRINT "TOTAL NR OF PAYMENTS";
245 NOLD=N:TRAP 255
250 INPUT N:IF N<=0 THEN STOP
251 GOTO 260
255 N=NOLD:? "ASSUMING N=";:? N:GOSUB 320
260 GOSUB 265:GOTO 270
265 LET R=IP/(1-(1+IP)^-N):RETURN
270 PRINT "MULTIPLIER=";R
279 TRAP 140
280 PRINT "AMOUNT BORROWED";:INPUT A
290 IF A<=0 THEN PRINT :GOTO 140
300 P=INT(A*R*100+0.5)/100:PRINT P
310 GO TO 279
320 SOUND 0,85,10,15:FOR J=1 TO 40:NEXT J:SOUND 0,0,0,0:RETURN
400 REM Print Table of $/1000
410 ? "Starting APR";:INPUT APR1
420 ? " Ending  APR";:INPUT APR2
430 ? " Step in APR";:INPUT ASTEP
432 CLOSE #1:OPEN #1,8,0,"P:"
433 PRINT #1,,"  Dollars Per Thousand Per Month":PRINT #1," "
434 PRINT #1," ","APR","  15 Years","  25 Years","  30 Years":PRINT #1
440 FOR APR=APR1 TO APR2 STEP ASTEP
450 IP=APR/(K*100):N=180:GOSUB 265:R15=R*1000:N=300:GOSUB 265:R25=R*1000
455 N=360:GOSUB 265:R30=R*1000:PRINT #1,,APR,R15,R25,R30
460 NEXT APR
------------------------------------------------------------------------------
APRPROG.BAS - Computes Annual Percentage Rate (APR) from amount of loan,
number of monthly payments, and amount of monthly payment (principal plus
interest).  Uses functional iteration method based on Contraction Mapping
Theorem.  (C) 1987 by John H. Sangster, placed in the Public Domain for
non-commercial use; all commercial rights reserved.
--------------------C-u-t---h-e-r-e---f-o-r---APRPROG.LST---------------------
100 REM Program to compute APR (Annual Percentage Rate) from loan amt A,      Payment P, and nr of payments N.
110 ? "Truth-in-Lending Interest Rate"
120 ? "Calculator - JHS 28 July 1986"
130 ? :TRAP 600
140 ? "Loan Amount";:INPUT A:? "Monthly Payment";:INPUT P:? "Total Nr of Payments";:INPUT N
150 IF A=0 THEN ? "AMOUNT=0 - INTEREST IS UNDEFINED":GOSUB 1000:GOTO 140
155 PA=P/A:I=PA
160 FOR J=1 TO 100
170 IOLD=I
180 GOSUB 500
190 IF ABS(I-IOLD)/IOLD<1E-12 THEN 300
200 NEXT J
210 ? "No convergence!":GOSUB 1000:GOTO 140
300 ? "CONVERGED AFTER ";J;" ITERATIONS"
400 ? "APR=";I*1200;" PERCENT PER ANNUM"
410 ? :GOTO 140
500 REM Iteration to improve estimate of I:
510 I=PA*(1-(1+I)^(-N))
520 RETURN
600 ? :? "Use BREAK to exit to BASIC.":? :GOTO 110
1000 SOUND 0,65,12,15:FOR I=1 TO 120:NEXT I:SOUND 0,0,0,0:RETURN
------------------------------------------------------------------------------
CHEKBOOK.BAS - Simple checkbook balancing aid.  Nothing fancy, just does the
dirty work.  Main advantage over a calculator is that the program helps you
keep your place by automatically incrementing the check number as you enter
check amounts.  (C) 1987 by John H. Sangster - Placed in the public domain
for non-commercial use; all commercial rights reserved.
----------------------C-u-t---h-e-r-e---f-o-r---CHEKBOOK.LST------------------
10 REM Simple Checkbook Program
11 REM JHS 06/08/86 Version 1.0
12 REM Command interpreter to be
13 REM added in later version.
15 DIM A$(40):TRAP 200:BAL=0
200 REM Startup Routines
220 DIM C(100):DIM D(300)
1000 REM F - Forward Balance
1005 TRAP 2000
1010 ? "Balance forward from prev stmt":INPUT BALF:BAL=BALF
2000 REM C - Enter Credit Items
2010 ? "Enter credit items (deposits,":? "interest, corrections etc.),"
2020 ? "followed by RETURN, or just RETURN":? "to end input.":NC=0
2030 FOR I=1 TO 100:INPUT A$:IF LEN(A$)=0 THEN GOTO 3000
2035 C(I)=VAL(A$)
2040 BAL=BAL+C(I):NC=I:NEXT I
3000 REM D - Debits: checks & charges
3010 ? "Enter debits(checks&charges)"
3020 ? "Start with checks, beginning with":? "check number";:NCHK=0
3025 TRAP 3030:INPUT A$:NCHK=VAL(A$):ND=0
3030 FOR I=1 TO 300:? NCHK;"  ";:INPUT A$:IF LEN(A$)=0 THEN GOTO 4000
3040 D(I)=VAL(A$):BAL=BAL-D(I)
3050 ND=I:IF D(I)>=0 THEN NCHK=NCHK+1
3060 IF D(I)<0 THEN NCHK=NCHK-1
3070 NEXT I
4000 REM Final Output Section
4010 TC=0:TD=0
4020 IF NC>0 THEN FOR I=1 TO NC:TC=TC+C(I):NEXT I
4030 IF ND>0 THEN FOR I=1 TO ND:TD=TD+D(I):NEXT I
4090 ? "STARTING BALANCE WAS $";BALF
4100 ? "TOTAL CREDITS $";TC;"    # ITEMS: ";NC
4101 ? "TOTAL DEBITS $";TD;"    # ITEMS: ";ND
4102 ? "ENDING BALANCE IS $";BAL:? :?
4110 ? "DO NEXT MONTH";:INPUT A$:IF A$(1,1)="Y" THEN BALF=BAL:GOTO 2000:END
------------------e-n-d---o-f---s-i-l-l-y---p-r-o-g-r-a-m-s-------------------

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

Date: 5 Oct 87 14:05:21 GMT
From: cbosgd!cblpf!cblpe!@ucbvax.Berkeley.EDU  (Rob Stampfli)
Subject: Dhrystone figures for the Atari 800xl
To: info-ata@score.stanford.edu

x
I ...

 


 
Critcism or Embarassment,ATARI corp?  
 
1.  DFLINT02  
 More options Oct 2 1987, 5:23 am
Newsgroups: comp.sys.atari.8bit
From: DFLIN@ULKYVX.BITNET -
Date: Thu, 1-Oct-87 16:23:00 EDT
Subject: Critcism or Embarassment,ATARI corp?
| | | | | | |
Tramiel and many members of his staff have considered the 8-bit
machine, enhanced, as a competitor for the ST.  Also the Game
machine image of the ATARI 8-bits machines does not seem to warrant
any type of upgrade.  I have stated that i would support any
upgrades that ATARI would develope for the 8-bit.  Besides a little
criticism never hurts.  Tramiel does not take the 8-bit to seriously.
JWT and Landon Dyer are the most helpful people atari has on this
net.

Answer this question why did a ATARI try to block the release
of the PD 8-bit emulator for the ST????? Don't quote Propietary OS.

Mike Buford
(Novice Hardware Hacker!)
(An ACTION Programmer!)
Dflint02@ulkyvx or Cl150@ulkyvm.bitnet


 
 
2.  Neil Harris  
 More options Oct 6 1987, 2:50 am
Newsgroups: comp.sys.atari.8bit
From: n@atari.UUCP (Neil Harris) -
Date: Mon, 5-Oct-87 13:50:24 EDT
Local: Tues, Oct 6 1987 2:50 am
Subject: Re: Critcism or Embarassment,ATARI corp?
| | | | | | |

In article <8710012029.AA22@ucbvax.Berkeley.EDU>, DFLIN@ULKYVX.BITNET writes:
> Answer this question why did a ATARI try to block the release
> of the PD 8-bit emulator for the ST????? Don't quote Propietary OS.

The answer is easy.  We didn't.  Contrary to popular rumor/reports, Darek's
biggest problem when getting ready to release the emulator was getting
through to the right person here.  He ended up with myself and Richard Frick.
We took the story to Sam Tramiel, President of Atari Corp.  The three of us
agreed that we had no problem allowing the release of the emulator, but in
return for this we wanted Darek to release his source code as public domain.
The emulator as it currently exists is too slow to be useful, not to mention
the lack of support for important features like player/missile graphics.

At any rate, Darek was reluctant to do this at first.  He seemed to want
sole credit for the emulator.  The impasse was resolved on GEnie, in a
series of messages between Darek and myself with audience participation.
Then Darek asked for permission to sell an article on the emulator to an ST
magazine so he could make a little money for the project.  This was granted.
The emulator was recently published in ST-Log magazine (September issue) and
is available for download on GEnie and other places.

These days, Darek is getting along with Atari a little better.  I think he's
not a bad negotiator -- he was stirring up public sympathy for himself in
order to get what he wanted from us.  On the other hand, we got the source
code released, so we're happy too.  Let's hope that the project ends up
resulting in an emulator that does what we all want it to do.

--
--->Neil Harris, Director of Marketing Communications, Atari Corporation
UUCP: ...{hoptoad, lll-lcc, pyramid, imagen, sun}!atari!neil
GEnie: NHARRIS/ WELL: neil / BIX: neilharris / Delphi: NEILHARRIS
CIS: 70007,1135 / Atari BBS 408-745-5308 / Usually the OFFICIAL Atari opinion


 
 
3.  Hans Breitenlohner  
 More options Oct 9 1987, 5:29 am
Newsgroups: comp.sys.atari.8bit
From: h@umd5.umd.edu (Hans Breitenlohner) -
Date: Thu, 8-Oct-87 16:29:52 EDT
Local: Fri, Oct 9 1987 5:29 am
Subject: Re: Critcism or Embarassment,ATARI corp?
| | | | | | |

In article <8@atari.UUCP> n@atari.UUCP (Neil Harris) writes:
> ...
>We took the story to Sam Tramiel, President of Atari Corp.  The three of us
>agreed that we had no problem allowing the release of the emulator, but in
>return for this we wanted Darek to release his source code as public domain.
> ...

What a noble thought.  I think the idea of releasing source code is great.

Did this idea come from the same company which has steadfastly refused
to release (or even to acknowledge requests for) the source for the XL
operating system?  How much better a world this would be if the left hand
and the right hand could agree on the goodness value of things.

Note that I am not suggesting that the OS source be put in the public domain,
only that source should be available.  Of course I can disassemble the ROMs
(and have done so), and most of what I want to know can be extracted that
way.  It just hurts to think of the more productive things I could have
with that time!


 
New Atari Hardware News  
 
1.  Terry Conklin  
 More options Oct 2 1987, 6:22 pm
Newsgroups: comp.sys.atari.8bit
From: conk@eecae.UUCP (Terry Conklin) -
Date: Fri, 2-Oct-87 05:22:04 EDT
Local: Fri, Oct 2 1987 6:22 pm
Subject: New Atari Hardware News
| | | | | | |

The following is a collection of hardware announcements that I
have collected as a function of being the Admin for the Club
Network. I always try and keep the Club's 8-bit people abreat
of the latest news, so, while commercial in nature, this isn't
meant as an ad proper as much as a list of new hardware and
software that I have found for the 8-bit.

From Terrific Corp. I have received the following information
about this home control system:
"The X-10 POWERMANAGER SYSTEM

Now you can finally use your Atari Home Computer to conveniently
create, store and recall programs that can be loaded into the
X-10 PowerHouse controller to control lights, appliances and
other devices hooked up to X-10 control modules throughout your home.

There are two X-10 interface kits available from Terrific Corp.
One kit includes an X--10 PowerHouse Computer interface, a special
Atari interface adaptor and the Powermanager software. For those
who already have the PowerHouse computer interface, the software
and adaptor are available seperately.

The Powermanager software takes full advantage of the PowerHous
interface. Features include:

-Up to 256 modules can be individually controlled. Modules can be grouped
together to allow control of an 'infinite' number of devices.
-Lights and appliances can be programmed to turn on or off at specified
times through the use of a timer event schedule. In addition, lights
can be programmed to dim to 16 intenstities.
-Timer event schedules can hold up to 128 events, a single event can
control up to 16 modules.
-Timer event schedules can be created, stored and edited on disk.
-Modules can be controlled instantly from the Atari.
-Software allows use of joystick or keyboard
-48K required, machine language, drive.

Terrific Corp.
17 St Mary's Court
Brooklin, MA 02146
(617) 232-2317"

You all know these things. The dreaded BSR controller returns.
Actually, these really ARE cool. I have a friend with equivalent
software on his TRS Coco. It's all very impressive and neat.
The only problem is that control modules get expensive as you
wire up a whole house. He bought out an RS inventory at $3 a
module or so. The only way to do it.

More exciting Atari 8bit hardware came recently from the yet scarier
IRATA VERLAG corp. Their offerings included:

512K card for the 800XL....$170
512K special chip for use
with above card............$52
Card and Chip together.....$200
6 OS System Box : Basically the equivalent of the RAM-ROD XL.
This allows you to have 6 diffeent OS chips and then to
select amongst them with a switch.
...........................$50
HIGH CHIP: for people who have the Happy drive enhancement.
This chip has a hidden menu. Hold don select while you press
RESET and you get a menu with the options for COLD START,
SECTOR COPY, or TURN HAPPY ON/OFF. "Saves times."
...........................$50
XE CHIP WITH RAMDISK.......$75  (doesn't say anything else!)
OLD SYS CHIP:
Replacement OS chip for XL/XE's for 400/800 compatibility
...........................$???
-------------------------------
All chips that have something to do with the Happy have a special
feature. For people who know machine language, the happy
can load any protected disk into the happy memory, then
turn around and write the binary data back onto a normal
formatted diskette. This allows you to then take a sector
editor to look at the actual bit stream from the original
disk to learn how it is set up.
---------------------------------
Some new 8bit software:
100 New Print Shop pictures....$7
The Editor.....................$15
The Super Label II.............$15
---------------------------------
THE XL/XE SUPER TURBO INTERFACE:
This is a disk interface for the Atari 8bit that allows you
to do many different things. They are:
-Use IBM 5.25" and ST 3.5" disk drives for fast seek and large
storage capacities
-Back up ANY protected 8bit software
-Transfer between any of the three (Atari, IBM, 3.  5") formats.
-Backs up all protected ST & IBM software too!?
-Has built in 8bit pritnter interface
-For people with Happy drives, the SUPER TURBO works with the
Happy and kicks the baud rate to an awesome.......
(drum roll) * 150,000 * baud. It loads programs in 7 seconds
and does whole disk copies in 27 seconds. (THIS, I gotta see.)

SUPER TURBO INTERFACE.....$250

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

I am NOT affiliated with these people in any way. In fact,
I have absolutely no idea where they are or came from. I just
get a lot of release info in the process of searching out
what's new for Club Net 8bit owners and thought it might
interest some of the netters. The english on the IRATA
ad left something to be desired, so be sure and give these
guys the third degree when you call to make sure it is
ligit. Forgot to list their address/phone number. It's

IRATA VERLAG
1272B POTTER DRIVE
COLO SPRINGS, CO 80909
(303) 596-0135

I also talked to ICD today and they claimed that the SPARTADOS-X
cart would be available for Xmas.

Such is excitement. No news from the we fine brave souls in
the Turbo-project. We just got the 65802. Hope!

Terry Conklin
ihnp4!msudoc!conklin
Club Lansing (517) 372-3131  (gets all this junk first.)
Club II      (313) 334-8877  (next day or so)
Club III     (714) xxx-xxxx  (at this rate, we may never know)
So this is what happens when BBS's go Imperialist. It becomes
some sort of public entity. Swell. Does that mean I have to
housebreak it?


 
Standalone OmniCom  
 
1.  jhs  
 More options Oct 3 1987, 6:55 am
Newsgroups: comp.sys.atari.8bit
From: j@MITRE-BEDFORD.ARPA.UUCP -
Date: Fri, 2-Oct-87 17:55:16 EDT
Local: Sat, Oct 3 1987 6:55 am
Subject: Standalone OmniCom
| | | | | | |
A couple of weeks ago, I posted a new "shareware" version of CDY's OmniCom
to the net.  Unlike the original OmniCom, this version does not require the
installation of the OMNIVIEW chip.  I have the feeling it made it out to
BITNET but not to the ARPA side.  Did anybody on the ARPAnet receive it?  If
not, is anyone interested?  I can either e-mail it or (if there is enough
demand) post it again.

OmniCom is a vt100 emulator with 80-column display and support for kermit,
xmodem, and plain ASCII data capture and send from file.  Also, it has a
handy "Print Screen" function for printing short messages.  I have found it
highly satisfactory for use with my VAX screen editor, and have not even
needed to install a special termcap file -- it acts just like a real vt100
in almost all respects.

-John Sangster / j@mitre-bedford.arpa


 
Need modem help  
 
1.  ekijak  
 More options Oct 3 1987, 8:04 am
Newsgroups: comp.sys.atari.8bit
From: eki@ARDEC.ARPA.UUCP -
Date: Fri, 2-Oct-87 19:04:27 EDT
Local: Sat, Oct 3 1987 8:04 am
Subject: Re: Need modem help
| | | | | | |
GVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGV
From: "Edmund S. Kijak" (IMD-IPAO) <eki@ARDEC.ARPA>
To: decvax!cg-d!gil@UCBVAX.Berkeley.EDU
cc: info-ata@SCORE.STANFORD.EDU
Subject: Re:  Need modem help
Return-Path: <@Score.Stanford.EDU:eki@ARDEC.ARPA>
Redistributed: XeroxAtari8Users^.X
Received: from Score.Stanford.EDU by Xerox.COM ; 04 FEB 87 07:18:38 PST
Received: from ARDEC-3.ARPA by SCORE.STANFORD.EDU with TCP; Wed 4 Feb 87
06:28:48-PST
Original-Date: Wed, 4 Feb 87 9:28:56 EST
Message-ID: <8702040928.aa14293@ARDEC-3.ARDEC.ARPA>
GVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGVGV

     I don't know how to do it, but you ought to be able to use any
modem with
your 8 bit machine.  I found out by accident that the 8-bit operating
system
which is built into the machine (i.e., it's there even if you don't have
a disk
drive)includes software for inputting and outputting data on the serial
port.
It follows the standard custom of sending the bytes out one bit at a
time on a
single pin.  Incoming data is received on another pin of the serial
port.  Each
byte is preceded by a start bit, and is followed by a stop bit, and the
data
bits are ordered least-significant-bit first, six more bits,
most-significant
bit last.  This is standard asynchronous serial transmission with 8 data
bits,
one start bit, one stop bit, no parity.  The baud rate is settable by
pokeing
the appropriate memory locations, and setting up the serial port for
asynchronous I/O is also done by pokeing appropriate codes into the
right
addresses.  Sorry, I don't have the addresses or the values that must go
into
them.  These can be found in the hardware manual, or other published
literature.You may have to write your own software to configure the port
and input and
output the data, unless your already have some program that interfaces
with a
modem or does terminal emulation.
     On the hardware side, the voltage levels used by the serial port
are not
compatible with what a modem expects to see.  The serial port operates
at TTL
levels: logic 0 = zero volts, logic 1 = 5 volts.  The modem expects
RS-232
levels: logic 0 = +3 to +24 (I think) volts, logic 1 = -3 to -24 volts.
You
must provide the hardware to do the voltage level translation.  The
easiest way
to do this is to use a chip such as the Maxim MAX232 which requires only
5 volts
and can be powered by the 5 v pin in the serial port itself.  This chip
generates its own +9 and -9 volts for the RS232 levels and translates
incoming
RS232 levels to TTL levels.  Only a few external components need to be
connected
to the chip (a few small capacitors and resistors) and the circuit is
very
simple (see MAX232 data sheet).
     I'm amazed at the number of features that were included in the
original
8-bit machines that were not advertised or brought to the attention of
purchasers.  Included at no additional expense were horizontal and
vertical
smooth and coarse scrolling, animation by page flipping, custom display
lists,
sprites, joystick ports that can be used for output as well as input,
paddle
ports that can accept photocell and resistance thermometer inputs, tone
generation for dialing touch tone phones, asynchronous serial port for
communicating with modems or other (multivendor) computers.  And all
this stuff
was accessible through BASIC, worked with only 16kbits of memory, and
didn't
require a disk drive or expansion box.


 

- - - -
End