PD ROM 1/PD ROM Volume I - Macintosh Software from BMUG (1988).iso/Electronic Messages/USEnet Digests/USEnet Vol. 4/USEnet 4.35

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Usenet Mac Digest     Saturday, March 12, 1988       Volume 4 : Issue 35

Today's Topics:
     MC68881 vs. XC68881?
     Re: Tandy Mac Clone?
     Re: Some more A/UX hints (MF, emacs)
     Re: Mac SE hardware question: 4.0 Meg max?
     FONT/DA mover and NFNTs
     NFNT's
     Re: Happy birthday Mac-II
     Re: A/UX tape backup
     I've got a virus and I don't like it
     Re: MacWarehouse Flame
     Re: sndplay in MPW C
     antialiased lineProc
     Re: Can Hypercard be used _at all_ on a 512Ke?
     MacServe vs DiskExpress
     Re: I've got a virus and I don't like it
     Keyboard Remapping
     Experts needed (for a watch that won't spin properly)
     A/UX Screen Saver??
     GRAPHICS FILE GENERATION
     Re: I've got a virus -- fix to halt spread

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

From: [e-mail] (Richard Siegel)
Subject: MC68881 vs. XC68881?
Date: 6 Mar 88 15:58:31 GMT
Organization: Carnegie Mellon University


Perhaps some Motorola folks can answer this one...

What's the difference between the MC and the XC designation on the
processor package? I've seen both 68020's and 68881's with the XC part
code; what does it mean?

Thanks...

    --Rich


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

From: [e-mail] (Zigurd R. Mednieks)
Subject: Re: Tandy Mac Clone?
Date: 6 Mar 88 22:46:31 GMT
Organization: MIT, EE/CS Computer Facilities, Cambridge, MA

Overheard among Cambridge Unix hacker types: "Phoenix WANTS to have Mac
compatible ROMs."

Also, I was at the satellite video roll out for the MicroExplorer. TI
and Apple are so lovey-dovey it hardly seems possible that TI would
compete against Apple. TI might concievably make a super-high-end
Macintosh to complement their high-end Explorer processor. They have all
the hardware (their NuBus 680x0-based Unix systems which are already
mated to Lisp processors). They would need the ROMs and to write the i/o
drivers.

This would fill a market need for TI, in that the Mac user interface is
probably the best thing that ever happened to Lisp machines and why not
use it throughout the model line. But this is a need that could be
filled by mating Explorer IIs to Macintoshes -- no need to sell (or
licence) the crown jewels. (In fact, it would seem that the software
that makes it possible for the MicroExplorer to live on the Mac II NuBus
would also work over an Ethernet link between a Mac II and a full size
Explorer II.)

-Zigurd
--
------------------------------------------------------------------------
Zigurd Mednieks           MURSU Corporation        [phone]
               25 Exeter Street
               Boston, MA 02116


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

From: [e-mail] (Fred Fish)
Subject: Re: Some more A/UX hints (MF, emacs)
Date: 5 Mar 88 18:27:13 GMT
Organization: occasionally

Thanks for posting the diffs, I've been wanting to upgrade my version to
the latest.  I have the 18.44 version and it tends to transpose
characters from the input stream when the system is under relatively
heavy load (a couple of big compiles going in the background for
example).  The interactive response is still quite good, it's just that
typing "hi, how are you" is likely to come out "hi, ohwa re yuo".

Also, don't try to format floppies while uucp is running. Guaranteed to
bring the uucico on your end to a screeching halt.  Sometimes the format
will finish before the other end times out, but then again, sometimes
not...

-Fred
--
# Fred Fish    hao!noao!mcdsun!fishpond!fnf     [phone]
# Ye Olde Fishpond, 1346 West 10th Place, Tempe, AZ 85281  USA


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

From: [e-mail] (Marc Sarrel)
Subject: Re: Mac SE hardware question: 4.0 Meg max?
Date: 7 Mar 88 02:02:34 GMT
Organization: The Ohio State University Dept of Computer and Information Science

In article <[e-mail]> [e-mail] (Marty Lee) writes:
>
>Isn't the 68000 capable of addressing
>16 Meg? With the screen, I/O  and ROMs the SE has 8 Meg of addressable
>memory space?  Right? (Wrong?)

Well, really the 68000 is cap _more_ than 16 Meg.  Internally it has 32
address lines for a total of 2^32 = 4096 MegaBytes = 4 GigaBytes.
However, in its 64-pin DIP package, only 23 of those address lines come
out. (64 pins is about the largest DIP package you can have.  Newer
version in the 680xx family have non-DIP packages.)  You may notice that
2^23 = 8 Meg. However, because the 68000 has a 16-bit wide data bus, the
Mac can read in two bytes at a time, effectively doubling the address
space.  In essence,  they use address lines 1 through 24 with line 0
always assumed to be zero.

So, as you can see, the 4 Meg limit is not due to the 68000.  It is due
to the fact that the Apple ROMS start at 4Meg in the address If I
remember correctly, 4Meg through 8Meg is reserved for ROM and every
thing above that is used for memory mapped I/O.  (with lots of
duplication).  Using 20/20 hindsight, you could say that this is very
inefficient on Apple's part (you'd be right).  But they obviously
weren't thinking that anyone would need more than 4Meg of real RAM.
Most Vaxen and the like don't have that much _real_ space.  (of course
they use virtual memory.)

Does anyone in the know want to comment on Apple's design descisions?
--
Hope this answered your question.--
Marc Sarrel            The Ohio State University
611 Harely Dr #1        Department of Computer and Information Science
Columbus, OH  43202-1835    [e-mail]
Disclaimer:  Hey, what do I know?  I'm only a grad student.


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

From: [e-mail] (Michael Newbery)
Subject: FONT/DA mover and NFNTs
Date: 2 Mar 88 23:12:21 GMT
Organization: Computing Serv. Ctr, Victoria Uni., Wellington, New Zealand

We just got a LWII/NT today (and very nice it is too) and with it some
new versions of the LW bitmap fonts plus FONT/DA mover version 3.6. Upon
turning it loose on Garamond, which Adobe supply with NFNTs for Bold,
Italic and Bold-Italic, I find that the beast STILL doesn't copy the
NFNTs, i.e. if I want to move NFNTS I still have to use ResEdit!

1) PLEASE Apple, could you fix FONT/DA mover so it knows about NFNTS? 2)
How about supplying bitmap versions of the italic, bold & bold-italic
   for the normal LW fonts? (OR do I have to buy a LWII/SC for that?)

[Alert readers will have (correctly) concluded that I hacked the Adode
supplied I, B and BI Garamond FONTs into NFNTS---works fine expect for
the pain of moving them around. ]
--
Michael Newbery

ACSnet:    [e-mail]  UUCP: newbery@vuwcomp
Une boule qui roule tue les poules.        (Landslides kill chickens)


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

From: [e-mail] (Sho Kuwamoto)
Subject: NFNT's
Date: 7 Mar 88 17:19:35 GMT
Organization: California Institute of Technology

OK, I plead uncle.  How do I use NFNT's?  I don't have any on disk, but
I know there are some in the Mac II ROMs.  I suppose I wouldn't have
noticed if the 4 bit and 8 bit fonts in ROM were exact duplicates of the
1 bit fonts, but I'm hoping that's not the case.

Has Apple come out with a version of ResEdit that handles all the color
resources?  I saw a template for color windows (which I was unfortunate
enough to forget to save) but apart from that, nada.  In particular, I
would love to be able to edit cicn's, cluts, and ppats.

                        -Sho

SonicYouthREMBeatlesKateBushReplacementsResidentsHuskerDuSeveredHeadsArtOfNoise
ChrisAndCoseyJoyDivisionKillingJokeLaurieAndersonWireLouReedSkinnyPuppyBrianEno

 ([e-mail], [e-mail], ...!cit-vax!tybalt!sho)


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

From: [e-mail] (Sho Kuwamoto)
Subject: Re: Happy birthday Mac-II
Date: 7 Mar 88 17:31:38 GMT
Organization: California Institute of Technology

Whoops.  After a casual glance at IM-V, it seems that the NFNT's
contained in the ROMs are only there for speed.

I guess the question I then want to ask is where I can get a hold of
some NFNT's...

                        -Sho


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

From: [e-mail] (Phil Ronzone)
Subject: Re: A/UX tape backup
Date: 7 Mar 88 19:58:44 GMT
Organization: Ungermann-Bass Enterprises

In article <[e-mail]> [e-mail] (John Gilmore) writes:
>Our Mac-II is ethernetted to a Sun with both cartridge and 6520 BPI
>magtape anyway.  The more serious problem is that they left *dump* and
>*restore* off the Unix distribution!  We have to do backups with tar,
>which doesn't support incremental backups.

Actually, we did have dump, restore, rdump and rrestore in there, but
found a really nasty set of bugs just before freezing the production
master. So, we yanked them. Almost, but not quite ...  Sorry about that!
:-)

For incrementals, we like find & cpio.
--
-------------------------------------------------------------------------------
Philip K. Ronzone, A/UX Technical Manager                   APPLELINK: RONZONE1
Apple Computer, Mail Stop 27AJ, 10500 N. DeAnza Blvd.  Cupertino, CA  95014
UUCP:  ...!{sun,voder,nsc,mtxinu,dual,unisoft}!apple!phil


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

From: [e-mail] (Chris Borton)
Subject: I've got a virus and I don't like it
Date: 8 Mar 88 02:04:12 GMT
Organization: UCSD Network Operations Group

This is a warning and plea for more information, if anyone has any. We
just discovered a virus in some of our systems (not all) at work today,
and it has permeated my system at home as well.  The symptoms are
simple:

INIT 32 in System File

nVIR resources in various applications and the System File.

This sucker is tricky -- it is getting itself loaded before any INITs do
(we believe the INIT 32 is just a teaser), like PTCHs do, but it isn't
in PTCH. Our two best programmers spent today tracing through it and
still haven't found a real solution other than offloading and
re-initializing.

To our knowledge it is non-malicious (yet).  The nVIR resources are
usually small, sometimes 8 bytes, sometimes ~360.  If you remove them
from both  System and ResEdit, the virus won't let you run ResEdit
because it is looking for those resources and can't find them.  It
occasionally beeps when running a program.

We have no idea what installed this.  We are fairly certain it
originated from one of the many small programs that come over the net.
Many of these would be perfect 'carriers' -- little demo program that's
an "aww, that cute, now let's  trash it."  I'm not putting down these
programs, just pointing out what I feel is obvious.

I don't believe this is any cause for panic -- it hasn't done any known
harm yet.  I would, however, like to get to the bottom of this!  If it's
a joke, I don't find it very funny.  (unless it de-installs itself
completely after April Fool's Day :-)). If it is someone's graduate
thesis, you get an A-.  But enough is enough!
--
-cbb
Chris "Johann" Borton, UC San Diego    ...!sdcsvax!borton
                    [e-mail] or [e-mail]
Letztes Jahr in Deutschland, nog een jaar hier, en dan naar Amsterdam!
"H = F cubed.  Happiness = Food, Fun, & Friends."  --Steve Wozniak


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

From: [e-mail] (Jeff A. Hallett)
Subject: Re: MacWarehouse Flame
Date: 7 Mar 88 15:17:06 GMT
Organization: General Electric CRD, Schenectady, NY

Well, I've dealt with MacWarehouse several times and never had a
problem.  Service has always been friendly, competent and speedy.  I
would say that your incident is an isolated one and even in the best
mail-order houses, accidents happen.

If you don't like the platinum, then you should send it back.  If it
doesn't bother you enough to send it back, then it isn't worth the
flame.
--
Jeffrey A. Hallett                     | ARPA: [e-mail]
Software Technology Program               | UUCP: desdemona![e-mail]
GE Corporate Research and Development  | [phone]
+--------------------------------------+--------------------------------------+
|                            Credo Quia Absurdum Est                          |
+-----------------------------------------------------------------------------+


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

From: [e-mail] (Warren Gish;133B Biochem;x3-9219)
Subject: Re: sndplay in MPW C
Date: 6 Mar 88 21:55:41 GMT
Organization: University of California, Berkeley

This is a bug in MPW C version 2.0.2.  The bug fix was posted to
comp.sys.mac about a month ago by Apple, but here goes again...

The trap numbers were omitted from the Sound Manager function
definitions in sound.h.  The missing trap numbers, and their associated
function names, are:

    SndDoCommand        0xA803
    SndDoImmediate        0xA804
    SndAddModifier        0xA802
    SndNewChannel        0xA807
    SndDisposeChannel    0xA801
    SndPlay            0xA805
    SndControl        0xA806

Just place the trap numbers after the "extern" attribute in each
function prototype.  (If this isn't clear, take a look at the functions
listed in, e.g., Events.h).
--
Warren Gish
IS&T
Biochemistry Bldg
University of California
Berkeley, CA 94720
[e-mail]
[e-mail]


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

From: [e-mail] (Sho Kuwamoto)
Subject: antialiased lineProc
Date: 7 Mar 88 17:28:22 GMT
Organization: California Institute of Technology

Has anyone written a lineProc that does a smidgen of anti-aliasing?
Depending on the particular setup of the clut, this could look really
bad, but I think this would be nice for what I want to do.  I'm sort of
writing a data analysis/graphing program (only sort of because I'm
desparately trying to graduate) and since I don't need that many colors,
I thought it would be nice to let users of 256 color machines select an
anti-aliasing option where only 16 colors for graphs would be available
but the lines would be anti-aliased.  This routine should work for both
white and black backgrounds.  On a similar note, does anybody have any
NFNT's of various sizes for Times and Helvetica? (Maybe Avant Garde too)


                        -Sho


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

From: [e-mail] (Bruce Edwards)
Subject: Re: Can Hypercard be used _at all_ on a 512Ke?
Date: 8 Mar 88 14:40:17 GMT
Organization: Bowling Green State University B.G., Oh.

In article <[e-mail]>, [e-mail] (Wiley
Sanders) writes:
> I have a 512Ke; can I use hypercard on it at all, even if
> it can only accomodate a minuscule stack? Or does hypercard
> look for 1Meg and refuse to run if there is less?

Alas, that is the case. Hypercard in order to do anything needs a full
Meg of memory. That's why even on a SE off the shelf you really can't
use MultiFinder and HC very well together. But there is a glimmer of
hope in the distance. I read in an interview with Bill Atkinson that he
is working on a strickly Brouse mode version of HC with no Scripting,
etc. that will run on the 512K. I hope this materializes as I have some
educational stacks that I'd like students to be able to use on a 512K
machine that is not likely to be upgraded.


      'These are only the shadowlands.' C.S. Lewis
      -----------------------------------------------------------------
        Ken Jenkins as guest @

        CSNET: edwards@bgsu
      ARPANET: edwards%bgsu@csnet-relay
         UUCP: cbosgd!osu-cis!bgsuvax!edwards

      US Mail:
    c/o Century Marketing Corp.
            12836 S. Dixie Hwy.
            Bowling Green , OH 43402

        Phone:
            In Ohio 1-800-821-5409
        Out of Ohio 1-800-537-9429
                 or 1-419-354-2591
      -----------------------------------------------------------------


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

From: [e-mail] (Explaining is not understanding)
Subject: MacServe vs DiskExpress
Date: 8 Mar 88 16:12:00 GMT
Organization: Digital Equipment Corporation

Does the way MacServe partitions a hard disk preclude using DiskExpress
to compress/reorganize/prioritize it?

Thanks...Gary


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

From: [e-mail] (David HM Spector)
Subject: Re: I've got a virus and I don't like it
Date: 8 Mar 88 15:34:00 GMT
Organization: New York University

It seems you have been bitten by a virus whose sources were uploaded to
Compu- serve sevral months ago...  The author, a fellow in West Germany,
thought it would be educational to distribute these example viruses in
source form to  encourage people to write defenses against them.  His
stated intent in writing a virus in the first place was to keep people
from running possibly virus ridden program on their production
Macintoshes which had been previously hit by viruses....  its signature,
in the orignal sources, was a resource type of nVir... its a simple yet
potent virus and very easily modified to do bad  things.

    ... unfortunately the only way around most of these viruses is to
replace your system folder. (Make sure you do this from a WRITE-LOCKED
copy of the Apple System installer... or else you'll end up back where
you started, with an infected system.... there is another problems, that
being that the virus  that was on CompuServe knows how to infect
APPLICATIONS, as well as the system itself.  Pretty depressing....

For more info on this virus, take a look at Risks Digest volume 6, Nos.
7, 22,23,24, 27 (a few of the articles are ones I wrote regarding this
and other  Macintosh viruses...)


           Good Luck....
            David

PS: If anyone else out there has seen Macintosh viruses, besides the
"DR" ( Richard Brandow/MacMag virus), I would appreciate hearing about
it.. I am  trying to work up some stats on the spread and possible
strategies for  combating thses things...
--
David HM Spector                New York University
Senior Systems Programmer            Graduate School of Business
Arpa: [e-mail]            Academic Computing Center
UUCP:...!{allegra,rocky,harvard}!cmcl2!spector    90 Trinity Place, Rm C-4
MCIMail: DSpector                New York, New York 10006
AppleLink: D1161     CompuServe: 71260,1410     [phone]


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

From: [e-mail] (Fred Hollander)
Subject: Keyboard Remapping
Date: 7 Mar 88 22:46:47 GMT

Having used a lisp machine for over 2 years, I've grown accustomed to a
particular key layout:  1) parentheses on the bracket keys, 2) control
key left of the space bar, and 3) rubout below the tab, where the caps
lock is.

I've solved #1 by editing the KCHR resource in the system file, swapping
parens with brackets and #2 by editing the KMAP resource, swapping
virtual key codes of control key with clover key.  I've only made it
halfway with #3. I changed the virtual key code of the caps lock key to
33 (the delete key), but I believe the problem is that the caps lock key
does not generate a key down event.

Is there a map of keys that generate a key down event or is it strictly
a hardware interrupt that is defined by the keyboard?  Also, I would
like to swap the physical keys on the keyboard, but I don't want to
break anything. Do the caps pull off easily, or do I have to desolder
the entire module off the board?

Thanks,

--
Fred Hollander
Computer Science Center
Texas Instruments, Inc.
holland%ti-csl@csnet-rela

The above statements are my own and not representative of Texas Instruments.


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

From: [e-mail] (Hunter R. Gordon)
Subject: Experts needed (for a watch that won't spin properly)
Date: 8 Mar 88 16:38:11 GMT
Organization: Carnegie Mellon University


I've been having a discussion with some other people on the net about
the  spinning watch cursor.  And while they were very infromative about
what is  going on, I still have a wierd problem.  If anyone else out
there knows what  I'm doing wrong or what is going on, I would
appreciate your sending me some  wisdom.

I've been trying to change my spinning watch cursor using ResEdit.  I
altered  the hands on the watches in the Finder/CURS file and that
worked perfectly.   Now I would like to change the design altogether.  I
changed the seven cursors  in Finder/CURS and added another so that I
had eight entirely new cursors.   Then I went into the Finder/acur file.
 This file originally looked like this:

    00 08 00 00     00 04 00 00
    01 01 00 00     01 02 00 00
    01 03 00 00     01 04 00 00
    01 05 00 00     01 06 00 00
    01 07 00 00

The first number refers to how many cursors there are in the spinning
watch.   The other numbers tell which cursors to use.  So I got rid of
the 4 (00 04 00  00) and I added a 264 (01 08 00 00).  I then made sure
that my eight new  cursors had ID numbers from 257 to 264 (they are all
in Finder/CURS).  After  rebooting, my new spinning watch cursor became
a series of dots and lines that  made no sense.  They didn't even
change, it was just one wierd pattern.  It  was as if the masks were
wrong for my cursors and only one of the cursors was  being used.  I
checked the masks and used "Try Cursor" and everthing seemed  fine.  I
have tried other things like changing the cursor in System/CURS ID 4,
or putting the original 4 back in (which makes the original watch
appear, but  doesn't get rid of the lines) but have been entirely
unsucessful at created a  spinning watch that isn't based on the
original watch shape.

Does anyone know what is going on?  Is there a watch or watch mask in
the ROM  (my original and disputed guess)?  I would appreciate any
wisdom (at  [e-mail]). My computer is a MacPlus with a 2meg
RAM expansion.  I use Finder 6.0,  System  4.2,  and Multifinder 1.0.

Thanks,

Hunter Gordon


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

From: [e-mail] (J. Chris Cooley)
Subject: A/UX Screen Saver??
Date: 8 Mar 88 18:04:29 GMT
Organization: The University of Texas at Austin, Austin, Texas

Hi, there.  There's this big box nearby that complacently sits with a
nearly solid white screen and the following message:

    Apple Computer, Inc.  A/UX

    login:

Does anybody know of a screen saver or a technique for saving the screen
from burn-in?

Words of help are greatly appreciated.

(Words resembling "turn down the brightness" or "turn off the monitor"
will be frowned upon :-)

                    --chris


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

From: [e-mail] (Jim Rulla)
Subject: GRAPHICS FILE GENERATION
Date: 9 Mar 88 00:22:00 GMT
Organization: The University of Texas at Austin, Austin, Texas

Ladies and Sirs,

I have one more, I am trying to generate a graphics image on the MAC II.
Our aim is to do it as fast as possible. We have a CRAY  X-MP/24
supercomputer available. One scheme that I believe can be implemented is
to do the computation on the CRAY and then ship a data file to the MAC
II via ftp and then display it there using a program which reads the
data.  The data, for example,  could be mini-rectangles with color
definitions. Thus, the computation of the coordiantes of the
mini-rectangles and their colors could be done on the CRAY while we
could do the display on our trusty little MAC II.  What do you think of
the above scheme ? Any suggestions as to what kind of data file I should
write on the CRAY ? Does any software exist for the MAC II which can
read x,y,color from a file and then display it ? Well, that's all I have
to ask... Re. my last query, I sincerely appreciate the input y'all gave
and it definitely helped a lot Thanks, really Jim


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

From: [e-mail] (Chris Borton)
Subject: Re: I've got a virus -- fix to halt spread
Date: 9 Mar 88 05:28:17 GMT
Organization: UCSD Network Operations Group

Well, Mike came through today at work and figured that virus out
completely. This is a very quick description of what it does and how to
stop the spread; a comprehensive report describing all of its workings
will follow in a day or two.  If anyone has strong feelings about
publishing this information (anti-virus could be doubly
reverse-engineered) please mail me ASAP.

For ResEdit hackers: Quick-fix to halt spread: open INIT 32 in your
System File with ResEdit. Select all hex code and delete.  Enter in two
bytes -- 4E 75 -- which merely puts an RTS there.  Then go into each
nVIR resource and delete all information in them.  Don't delete those
resources!  The virus checks for their existence (only); if they are
there, then it assumes they're OK.  With the changes above, they are
harmless and won't spread the virus further.

The virus depends upon INIT 32 and nVIR 0-7 resources in the System
file.  What it does to each application is modify the CODE #0 resource,
altering 8 bytes in the jump table to execute the code in CODE #256,
which it also installs.  The nVIR resources hold copies of important
info -- #2 has the 8 original bytes from the applications CODE 0
resource.  #6 is a copy of INIT 32, and so on... The 8 bytes are the
first 8 on the third line in ResEdit.

There is a 1 in 16 chance upon running an infected application that it
will say "Don't panic" if you have MacinTalk installed, SysBeep
elsewise.

An interesting side note to all this: applications done with Lightspeed
C are NOT affected.  They will have nVIR resources and CODE 256, but no
patch.  Why? LS C automatically sets the ResProtect bit on CODE 0, so
the patch is never written out.  MPW code is NOT protected.  Anyone care
to comment on the significance of this all?

Mike is writing two things tonight that should help the situation: one
is a patch for GetResource that, if nVIR is detected, warns the user
that the current application is infected.  The other is a vaccination
program that reverse-patches infected programs.  Hopefully these will be
ready and posted soon.

Again, this is a touchy issue in some places.  Please contribute any
knowledge you have; I agree in principle with the German fellow on
getting this out in the open, but am deeply chagrined that someone would
actually implement this and spread it.
--
-cbb
Chris "Johann" Borton, UC San Diego    ...!sdcsvax!borton
                    [e-mail] or [e-mail]
Letztes Jahr in Deutschland, nog een jaar hier, en dan naar Amsterdam!
"H = F cubed.  Happiness = Food, Fun, & Friends."  --Steve Wozniak

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

End of Usenet Mac Digest
************************
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