HDTenEightyP/NetNews huggingface dataset:
From: kolstad@cae.wisc.edu (Joel Kolstad)
Subject: Re: Speed and misc stuff of the HP48
Organization: U of Wisconsin-Madison College of Engineering
Date: 6 Oct 92 10:09:27 CDT

In article <1ardvpINN1q0@aludra.usc.edu> wdao@aludra.usc.edu (Walter Dao) writes:
>A few question about the machine (I am thinking about getting an HP-48 or 
>a sharp e500) It is going to be just for FUN. (dont ask why)
>
>In ML, how fast is the HP-48 ? (compared to ... let's say a sharp PC-1500 ... I
>learned programming in ML on that Beast).

I have no idea how fast the shap PC-1500 is.  The 48 processor's architecture
though is towards lots of big on chip registers, and slower (4 bit) memory
access.  The 48 has been compared to a "2 Mhz IBM XT," if that means
anything to you.

>How is the LCD being handled ? (on sharp machines, the adresses are kinda 
>barbarious), can one do double buffering anim ? 

You can definitely do double buffering.  You tell the display controller
where your screen is and the length of each line, and it goes off to display
it.  Notice that this allows scrolling in hardware -- neat.  Also, you can
have it switch to a different screen address on any given display line,
which is how the little soft key menus get made.

>How about the ease of entering ML prgs ? peek and pokes ? 

With all the stuff out today, it's ridiculoously easy.  Well, that is
if you have access to a PC, I suppose, although there are assemblers
and disassemblers out there than run on the 48 itself.

						---Joel Kolstad

Newsgroups: comp.sys.hp48
From: cyj9h@csissun14.ee.Virginia.EDU (Charles Y. Choi)
Subject: Typing and HP-28S
Keywords: Keys, HP-28S, Programs
Reply-To: cyj9h@csissun14.ee.Virginia.EDU (Charles Y. Choi)
Organization: University of Virginia
Distribution: na
Date: Fri, 2 Oct 1992 20:01:28 GMT


One of the more frustrating things about using an HP-28S is entering
programs which are visually correct (that is, you typed in all the letters
correctly) yet for some unclear reason is not ok with the parser.

This is a problem that I constantly come up against.  Is it me or is it the
machine?  Are there rules to live (e.g. are newlines signifcant, are spaces
between characters significant?) by when entering programs posted here?


-charles
  

--
"What a morning!  Birds, fish, frogs, and humans!"
                                      -Maya the Bee
From: akcs.husty@hpcvbbs.cv.hp.com (Ali Persian Momeni)
Date: Sun, 4 Oct 1992 04:40:03 GMT
Subject: Re: HP 48-SX SYSTEM for sale (printer, EQ library, interface)
Message-ID: <2ace712b.1816.1comp.sys.hp48.1@hpcvbbs.cv.hp.com>
Newsgroups: comp.sys.hp48

I'm interested in the equation library card.  Have you any idea what 
you want for it?

thanks, ali.    momeni@vu-vlsi.ee.vill.edu

Newsgroups: comp.sys.hp48
From: stevev@miser.uoregon.edu (Steve VanDevender)
Subject: Re: Subject: OFF in a program
Organization: University of Oregon Chemistry Stores
Date: 1 Oct 92 22:15:11

In article <1992Oct1.182143.26971@schbbs.mot.com>
RRSE50@waccvm.corp.mot.com (John Pigott) writes:

   Is is possible to turn the HP48 OFF in a program? Is therea SYSEVAL addre
    this ?

Include the command OFF in your program.

To annoy your HP 48-owning friends, run the program:

\<< WHILE 1 REPEAT OFF END \>>

--
Steve VanDevender 	stevev@greylady.uoregon.edu
"Bipedalism--an unrecognized disease affecting over 99% of the population.
Symptoms include lack of traffic sense, slow rate of travel, and the
classic, easily recognized behavior known as walking."
Newsgroups: comp.sys.hp48
From: phillipv@engin.umich.edu (Phillip Van Baren)
Subject: Re: Wiring
Date: Wed, 30 Sep 92 15:43:22 EDT
Organization: University of Michigan Engineering, Ann Arbor

In article <92273.232459U50879@uicvm.uic.edu> Viscouse P'pello <U50879@uicvm.uic.edu> writes:
>     Awhile back some kind soul posted a wiring diagram that aided in building
>your very own serial cable.  i.e.: does anyone out there know what four hp
>pins go to what pins on the computer cable end?

The connections are as follows:  (looking at the pins coming out of the HP48)
       shield
      /  pin 2
     |  /  pin 3       (pin numbers are on a 9-pin D connector)
     | |  /  pin 5
     | | | /
    _________
   | o o o o |
    \_______/
From: tcobbs@polyslo.csc.calpoly.edu (Travis Lee Cobbs)
Newsgroups: comp.sys.hp48
Subject: Re: 1 MEG Ramcard!?
Date: 1 Oct 92 00:47:29 GMT
Organization: Cal Poly State Univ,CSC Dept,San Luis Obispo,CA 93407

In article <1992Sep30.165817.2832@wkuvx1.bitnet> curtiws@wkuvx1.bitnet writes:
>Hi all,
>    This may be a premature question because i didnt actually see it
>myself,but a buddy of mine said that he got the new service
>merchandise catalog yesterday and there was not only a 512k ramcard
>but therer was also a 1 meg ramcard.Is this true?the reason i ask is
>because i hadnt heard such a large card mentioned on this group.he
>might have been getting his facts crossed but he seemed quite sure

The only 1 meg ram card I know of is for the 95LX.  I think that's the
one in the Service Merchandise catalog.  Somebody correct me if I'm
wrong.

+-----------------------------------+------------------------------------------+
|                      Travis Cobbs | When you have to kill a man, it costs    |
|           tcobbs@nike.calpoly.edu | nothing to be polite.                    |
|       tcobbs@morpheus.calpoly.edu |   --Winston Churchill, On formal         |
|    tcobbs@polyslo.csc.calpoly.edu |     declarations of war                  |
+-----------------------------------+------------------------------------------+
From: akcs.levenson@hpcvbbs.cv.hp.com (william j. levenson)
Newsgroups: comp.sys.hp48
Subject: Re: Deleting Libraries
Date: 1 Oct 92 20:40:02 GMT
Article-I.D.: hpcvbbs.2acb574a.1812.2comp.sys.hp48.1

One more thing about purging a library...make sure you are in the
directory in which the library is attached!  This is usually the HOME
directory.

Hope this helps
Newsgroups: comp.sys.hp48
From: u920496@daimi.aau.dk (Hans Erik Martino Hansen)
Subject: '48 Amiga connection
Organization: DAIMI: Computer Science Department, Aarhus University, Denmark
Date: Fri, 2 Oct 92 18:22:08 GMT
From: akcs.levenson@hpcvbbs.cv.hp.com (william j. levenson)
Newsgroups: comp.sys.hp48
Subject: Re: NEEDED:short appointment book prog.
Date: 5 Oct 92 21:40:01 GMT

In response to this request for an appointment book:

I have posted a program I wrote in sys-RPL called SCH48.  It should be on
comp.sources.hp48 and at seq.uncwil.edu under hp48/Uploads.  It includes
ASC and UUencoded files with the documentation as well as the binary
file.  SCH48 is also posted on the HP BBS at hpcvbbs.cv.hp.com under the
files.hp48 conference.

SCH48 is a library which displays a coaender and appointments with a
timeline showing "blocked out" times. (^^^ this should read calender)  

In the next couple of days, I will be posting a revised version that
adds one or two features and takes care of a couple of harmless but
annoying glitches ( most significant is the current version doesn't
display the calender corrrectly if you are not using STD display mode). 
Look for this to be fixed in the next couple of days.

I have received some good reviews about SCH48 and I use it all the time.

Let me know what you think!

Bill Levenson
Newsgroups: comp.sys.hp48
From: ITB675NURSER@qut.EDU.AU (ITB675NURSER@qut.edu.au, Unix to Unix copy program...You will never find the more wretched hide of scum and villany...we must be cautious.)
Subject: another bug?
Organization: UNCW news/mail gateway service
Date: Tue, 6 Oct 1992 15:42:00 GMT

if you enter SOLVER with an equation where the variables in the expression
already exist as non-numeric objects, those particular variables
do not appear in the menu keys...
is this a bug or a feature?

eg...
'i'
'S' STO
'S^2+S' [SOLVE] [STEQ] [SOLVR]
...look no variables ;]

anyone care to shed light?

Thanx
David Nurser
itb675nurser@redgum.qut.edu.au
From: ryu@ZGNews.LoneStar.Org (Richard Kuo)
Newsgroups: comp.sys.hp48
Subject: argh!
Date: Tue, 29 Sep 92 20:07:12 CDT
Distribution: world
Organization: The Zeitgeist BBS, Plano, TX  214 596 3720

could someone please tell me (once again) the number for TDS I lost it 
again!!!
From: 2cd5huffinec@vms.csd.mu.edu
Newsgroups: comp.sys.hp48
Subject: Re: Subject: OFF in a program
Date: 2 Oct 1992 20:49:19 GMT
Organization: Marquette University - Computer Services
Reply-To: 2cd5huffinec@vms.csd.mu.edu
NNTP-Posting-Host: vmsa.csd.mu.edu

RRSE50@waccvm.corp.mot.com (John Pigott) writes:
>Is is possible to turn the HP48 OFF in a program? Is therea SYSEVAL addre
> this ?

Just use the User RPL Command "OFF"
 
--Cmh

----------------------------------------------------------------------------- 
Christopher M. Huffine // Marquette University EE Major
2cd5huffinec@vms.csd.mu.edu
-----------------------------------------------------------------------------
From: akcs.jwtrav@hpcvbbs.cv.hp.com (John Wettroth)
Newsgroups: comp.sys.hp48
Subject: Re: HELP: HP48SX Problem With LCD Screen
Keywords: LCD, screen,
Date: 28 Sep 92 07:40:03 GMT
Article-I.D.: hpcvbbs.2ac6b214.1774.1comp.sys.hp48.1

The alignment of the LCD in the 48 is pretty critical.  I haven't had the
guts to tear one apart.  My only tip might be HP service iCorvallis. I
think they do repairs at a fairly reasonable flat rate- give them a call.
Good Luck- 
From: akcs.mahler@hpcvbbs.cv.hp.com (Jason Grant)
Date: Sat, 3 Oct 1992 20:40:02 GMT
Subject: Re: problem with RF program
Message-ID: <2acdfd54.1822.1comp.sys.hp48.1@hpcvbbs.cv.hp.com>
Newsgroups: comp.sys.hp48
Keywords: remote, rf, rfu, rff, rfe, remote4, compress

I'm not familiar with the remote4 program, but I might be able to answer
a few of your questions.  Regarding your "no space saved" problem, I have
two possible solutions.  One, due to the nature of some objects, RF can't
compress them because there is no redundancy to fight.  RF should let you
know if no compression is possible, but in some cases the object is
compressable, but only by a byte or two.  Depending on the option you
specify (.rfe  .rfp) RF creates a program consisting of the compressed
object stored as a string and a command or two for decompressing the
string, so in a few cases, the compressed object ends up bigger than the
original.   Two, when comparing compressed versus original, make sure and
press blue-shift (name) to recall the compressed object to the stack for
BYTES.  Merely pressing (name) to put it on the stack will actually put
the decompressed object on the stack and you will never see any
difference.   To copy RF (or any object) to a different directory, just
press blue-shift RF (puts the RF program on the stack), then move to the
desired directory and store it. (make sure RFP is in your path)
Jason Grant

Newsgroups: comp.sys.hp48
Newsgroups: comp.sys.hp48

Could this be due to the pointers pointing out into the weeds and the
first ON-A-F "NO" resets the pointers to locations from which the 48
CAN recover with the ON-A-F "YES"?
From: karl@i21s3.ira.uka.de (Karl Schaefer)
Newsgroups: comp.sys.hp48
Subject: HP48 emulation
Date: 5 Oct 1992 19:56:45 GMT
Organization: University of Karlsruhe, FRG
Distribution: world
Reply-To: karl@i21s3.ira.uka.de (Karl Schaefer)
NNTP-Posting-Host: i21s3.ira.uka.de
Keywords: emulation

hi there,
---------

  I have downloaded the `em48' hardware emulator from `seq.uncwil.edu'
together with a speedup patch. `em48' seems to be a very good tool
for program development and debugging.
  My personal interest is in a `xcalc' replacement tool, e.g. the emulation
should :-

   - run at original speed or (much) faster on a standard antique
     workstation like SPARC-I, ...

   - maybe detect (or know about) the busy wait loops of HP ROM
     (maybe adaptive by computing execution statistics on runtime)
     to avoid busy emulation of busy waiting loops

   - be written efficiently (C plus assembly parts for common
     subtasks like nibble-manipulation, arithmetics ...), maybe
     using insn hashing or precompilation (interesting feature as
     the ROM only threads simple SATURN code thunks again and again).

?????   is such a tool already available (commercial, public domain or
?????   shareware) ? Where from ?

   `em48' gives a perfect specification of SATURN and peripheral
harware sufficiently to run the whole system (but it doesn't support
IR, RS232 => bad date exchange capabilities).

?????   is there a more technical (say `formal') specification of
?????   SATURN assembly language semantics and interfacing to peripheral
?????   hardware available (not from HP themselves, I know...) ???

   _
CHIAO, Karl
Newsgroups: comp.sys.hp48
From: flynn@sabrina.dei.unipd.it (Salvatore A. Colomba)
Subject: Re: My compiler
Organization: D.E.I. Universita' di Padova, Italia
Date: Thu, 1 Oct 1992 21:44:39 GMT

In article <9209301118.AA15749@sicsoft.epfl.ch> grand@sicsoft.epfl.CH ((grand)) writes:
>
>Hello world,
>
>(this sentence is in MANY programming books)
>
>This little message to announce than the latest version of my compiler is now
>in the hp48/hp48-compiler of seq.uncwil.edu. The file name is hp48-v25.zip
>
>Regards,
>
>Laurent              (grand@sicsoft.epfl.ch)

From the postfix, I tend to deduce that it works on MS-DOS machines only..8(
What about porting it to other platforms? (e.g. Amiga :)  It shouldn't be too
difficult if it's written in some standardized language, and it'll give a LOT
of people the opportunity to speed up their own application...
Modest proposal: Wouldn't be a good idea to compile some useful program and
post in through the net or put it in some ftp site?

+--------------------------------------+--------------------------------------+
|     _____   _  _    , _ __   _ __    |                                      |
|      /  ' _// ' )  / ' )  ) ' )  )   | Salvatore Colomba,C.so del Popolo 14 |
|   ,-/-,   /    /  /   /  /   /  /    | 35100 Padova Italy (++39)-49-8752940 |
|  (_/     /___ (__/_  /  (_  /  (_    |                                      |
|                //                    | If enough data is collected,anything |
|               (/                     | may be proven by statistical methods |
| sabrina.dei.unipd.it (147.162.2.106) |                                      |
+--------------------------------------+--------------------------------------+
Lines: 57
Date: Mon,  5 Oct 92 18:48:53 MDT
From: dougc@bert.cs.byu.edu (Douglas R. Cannon)
Organization: BYU, Provo, Utah
Newsgroups: comp.sys.hp48
Subject: About 512Kb, 128Kb, and xxxKb cards, and a question

Hi.

Once in a while someone asks about a 512Kb card, or whatever, and why HP only
makes a 128Kb card.  I read about this in the un-FAQ, and it told all about
Dynamic RAM, static RAM, why HP cards use static RAM, dangers of using non-
HP cards in your HP48, etc.  If you're interested, see the un-FAQ (It's not
the FAQ, it's the un-FAQ -- shouldn't they be merged??)

Anyway, I don't care about all that, I'm concerned about address space,
address registers, and the like.

Here's what I understand:

The Saturn microprocessor has 20 bit address registers:
(D0, D1, and the PC)
Therefore, the cpu can access 2^20 memory locations.  Since we all know that
the Saturn microprocessor is a 4 bit processor, then it can address 1 Mega-
nibble of space, or 512Kb.  This is RAM + ROM, and there is 256Kb ROM, so this
leaves only 256Kb RAM that can be accessed (this is obviously why HP makes
no card larger than 128Kb). 

Now, if you put two 128Kb plug-in cards into the HP48, you will have 
128K + 128K + 32K (built-in RAM) = 288Kb, or 32Kb more than the HP48 is
capable of addressing.
The HP48 has 32Kb of hidden-ROM that has been assigned the same address space
as the built-in RAM.  In order to access this, you reconfigure the RAM to
#F0000h, then access the hidden-ROM at #70000h.  So, the HP48 uses a bank-
switching technique to fix the problem of having 32Kb extra memory than it can
really address.

------------------------------------
Now, here's what I don't understand:

I am not sure of what card Smith Corona makes, but here is what I think I know.
There is a 256Kb card, right?
Does anyone know if this acts physically like two 128Kb cards?
(i.e., port 1 is at #80000h, port 2 is at #C0000h, and the built-in RAM is
at #70000h, then reconfigured to #F0000h to access the hidden ROM?)

There is a 512Kb card, right?
Well, for the life of me, I can't figure this one out.
Is there anyone who is using a 512Kb RAM card in their HP48 right now?
Does anyone have any idea how this is done?
Are there entire 128Kb segments that are switched in and out, and you can only
address 256Kb of RAM at once?

I know it would be possible to get it to work with the right hardware and
software, but it seems that it would be such a horrible hack that it couldn't
possibly work real reliably.  Especially since Smith Corona would be using
undocumented or unadvisable methods according to HP?  (don't we all...)

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

Anyway, there's a couple of questions I hope we can get some answers to.
I am open to any and all discussion whether knowledgeable or not.

Doug Cannon
From: simmons@mrfish.enet.dec.com (Kevin Simmons/KF0JX)
Subject: Re: FALSECLR repost
Organization: Digital Equipment Corporation
Date: Sun, 27 Sep 1992 02:25:53 GMT


Why would anyone want to do this? Is this for cheating on exams?

Just wondering...



Kevin
Newsgroups: comp.sys.hp48
From: torhr@Lise.Unit.NO (Tor H. Ringstad)
Subject: Serial Number??
Organization: Norwegian Institute of Technology
Date: Mon, 5 Oct 92 17:41:17 GMT

Hello!!

Does anybody know if the HP48S(X) has any kind of serial number or something else
that can uniquely identify one calculator (that can be checked from a program)?? 



Tor Ringstad
NTH
Norway


Newsgroups: comp.sys.hp48
From: Martin.Kunze@arbi.informatik.uni-oldenburg.de (Martin Kunze)
Subject: Re: 512K ram card
Organization: University of Oldenburg, Germany
Date: Tue, 29 Sep 1992 14:48:24 GMT

alfaroja@vtcc1.cc.vt.edu (L. D. ROPER) writes:

>to get it, or how to make one...thanx....
>Message-ID: <28SEP199200361933@vtcc1.cc.vt.edu>
>Organization: Virginia Tech, Blacksburg, Virginia
>News-Software: VAX/VMS VNEWS 1.41    

>alfaroja@vtcc1.cc.vt.edu

I make my own 128 KB cards for some time and I think everyone of you
can make his own 128 KB card or 512 KB card.
The only problem is how to tell the HP firmware that he has 4 128 KB cards in
one slot.
Thats the problem that I have to solve at the moment and I will be very happy
if someone can write this programm for me.

Regards Martin Kunze
Newsgroups: comp.sys.hp48
From: ccaywood@casbah.acns.nwu.edu (Clarke Caywood)
Subject: University Math card
Organization: Northwestern University, Evanston Illinois.
Date: Tue, 6 Oct 1992 22:45:54 GMT

Does anyone know anything (good or bad) about the new "University Math Card"
advertised in the new Educalc catalog?  I believe it is made by Bringslid or
something close to that.

Matt
---
What a waste of bandwidth are signatures!


From: akcs.joehorn@hpcvbbs.cv.hp.com (Joseph K. Horn)
Date: Wed, 30 Sep 1992 08:40:05 GMT
Subject: Re: Virus?
Message-ID: <2ac95b6a.1791.3comp.sys.hp48.1@hpcvbbs.cv.hp.com>
Newsgroups: comp.sys.hp48

akcs.levenson@hpcvbbs.cv.hp.com [william j. levenson] writes:

> If you answer "NO" [to "Try To Recover Memory?"], the calculator
> should start from scratch with all the memory cleared and no junk
> left over.

Almost.  It dumps all your RAM var pointers, but doesn't actually
clear anything.  As proof of this, press ON-A-F "NO" and then press
ON-A-F "YES".  You'll lose your flags & key assignments & such-like,
but there's a good chance that your vars and libraries will magically
reappear.  So don't cry out in anguish when you press "YES" by
mistake; just wait for the "Memory Clear" message, and try again.

-Joe Horn-
From: dunguyen@ecs.umass.edu
Newsgroups: comp.sys.hp48
Subject: need help with 48sx home made cable
Date: 5 Oct 92 15:06:06 GMT

Hello all,
        With all this talk about the cost of calculator and acessory
        costs, I have just come up with an idea.  With the cost of
        the cable around $30.00 or so, can any of you build an IR
        interface that plugs into the PC serial port with this amount
        of money?  I mean, this would be much more convenient than the
        HP cable, just aim and d/l or u/l.  I wish I'd know how to
        build it.  Maybe some of you can commercial this idea.  After
        all, Kermit is free, so all you need is this handy (if possible)
        little interface.

Can any of you tell me more about the cable?  someone was kind enough
to mail me the pin assignments for the HP port, but I just can't transfer
anything between my PC and the HP.  I use Procomm Plus.  The pin
assignments are: 1 - shield
                 2 - TX data
                 3 - RX data
                 4 - Signal Ground (nearest to IR LEDs)
Is this all correct?  is there something I forgot to do, or some thing
that I did wrong?  Please help me...      later.... Duc
From: pshuprs@prism.gatech.EDU (Howlin' Bob)
Newsgroups: comp.sys.hp48
Subject: VOYAGER disassembly problems
Date: 6 Oct 92 17:08:42 GMT
Organization: Georgia Institute of Technology

Hello!
 
I have a slight problem...
The VOYAGER version (off the Goodies DIsk) doesn't know the complete
(augmented) SATURN instruction set.  Specifically, it chokes on any
of the instructions involving the Rn registers with a field selector
(i.e.  R0=A   a)  and all I get is the opcode and ?????
 
Is there a newer version, or should I just dig into the source
and maybe even port it to UNIX in the process?   (wow, that's almost too
close to a pun for comfort).
 
Robert


-- 
Robert Sanders 
Georgia Institute of Technology
uucp:	  ...!{decvax,hplabs,ncar,purdue,rutgers}!gatech!prism!pshuprs
Internet: pshuprs@prism.gatech.edu     OR  gt8134b@prism.gatech.edu
Newsgroups: comp.sys.hp48
From: ins534z@aurora.cc.monash.edu.au (Quetzal)
Subject: HP48SX <-> HP95LX serial and IR communications
Organization: Monash University
X-Newsreader: TIN [version 1.1 PL6]
Date: Wed, 7 Oct 1992 02:27:22 GMT

This is really just out of interest, but I've noticed that the serial cable
for the 48SX is pretty much identical to the 95LX.  So I suppose that if I
got a double-headed adaptor I could attach the two by wire.
(But what's that big cylinder around the wire near the 95LX end on the cable?)

Does anyone out there have any suggestions about IR transmission between the
two?  Things such as the optimal alignment and so on; I already know that it's
going to have to be at 2400 baud.

Please no one go out of their way; I'm just curious.

Tim Pickett
ins534z@aurora.cc.monash.edu.au
From: colemant@yvax.byu.edu
Newsgroups: comp.sys.hp48
Subject: for sale:  HP 15-C
Date: 2 Oct 92 11:31:10 -0700
Organization: Brigham Young University

For sale:  HP 15-C

Includes manual and origonal cover and batteries.

$50 takes it, or best offer.

--Tom Coleman
From: kolstad@cae.wisc.edu (Joel Kolstad)
Newsgroups: comp.sys.hp48
Subject: Re: SX vs. S
Date: 29 Sep 92 22:23:53 GMT
Article-I.D.: doug.1992Sep29.172354.793
Distribution: usa
Organization: U of Wisconsin-Madison College of Engineering

In article <BvCsns.Dox@rice.edu> jsd@owlnet.rice.edu (Shawn Joel Dube) writes:
>Anyone know if the circuit board for the 48SX and the 48S
>are the same?  If they are, I guess its possible to actually
>expand the 48S.

Here we go again...

Yes, the circuit boards are the same, except for the fact the the expansion
slot connectors aren't there.  It _is_ possible to expand your 48S's
memory, but I personally don't think it's worth the SIGNIFICANT effort
involved.  

Anyway, whatever you do -- have fun, and remember that it'll void your
warranty.