Dual processors? Another I've never heard of. My 8086 databook says
that up to four can be wired together, but I've never heard of anyone
doing it. Did this particular one work well?
>>> < Someone posted saying that there in fact was a 2.11 which I've not
been
>>> < able to find reference to. By any chance was that what came with
a PCjr
>>
>>> I've seen it on PC xts, DEC VAXmates and S100 8086 boxen.
>>
>>S100 8086 boxes ?
>>Are there still some left ?
>>I never thought they had shown up in a big mass.
>
>You know, one of the truly cool S-100 8086 boxes that was available
>for a long time was the H/Z-100. You could get the all-in-one or
>separate monitor configuration, color, 8', 5.25" floppies, etc. etc.
>It ran Mess-DOS as well as H-dos (dual processors).
>
>I lusted for one when I was a kid. The other day I found a pair of
>them smashed to bits at a local surplus dealer.
>
>It was truly depressing. Timing is definitely everything in this
>game.
>
>Jeff
>
>>
>>Gruss
>>H.
>>
>>--
>>Ich denke, also bin ich, also gut
>>HRK
>>
>
>
______________________________________________________
Get Your Private, Free Email at http://www.hotmail.com
> At 05:15 PM 8/26/98 -0500, you wrote:
>>> Okay, everyone with a spare IMSAI, let's all get together and have a few
>>> "auctions" on e-bay. How about a reserve of $50K, starting bid at $15K,
>>> $1K increments. That's just for a box, cards are extra.
>>> Jack Peacock
>>I think I should realy try to evaluate the value of
>>one of my Pascal Micro Engines (btw: Has anyone out
> ^^^^^^^^^^^^^^^^^^^
> Now *that's* historic! Western Digitals first (and last) CPU effort, the
> first HLL ever implemented as an instruction set on a chip (afaik, anyway),
> rare as hen's teeth (I'll bet it's scarcity is on the order of the Apple I),
> not to mention that it was a *very* early 16-bit system that was actually
> available to mere mortals.
:) - I think there have been a lot of other 16 Bit MPs before.
I'm realy happy that s.o. at least know a Bit about this beast.
in fact, since 12 years (thats when I was glad to aquire my fist
one - it was a kind of dream machine) I just met two people
knowing the name. They are my pride, and no matter who is
visiting my backyard, they always go whoop on ordinary PETs
or Trash's, but when I tell them that these are my number
one items, I get only blank stupid looks :(
Gruss
H.
P.S.: They are two komplete sets (CPU, dual 8" floppy
and terminal) and 2 spare units.
--
Ich denke, also bin ich, also gut
HRK
>> Now *that's* historic! Western Digitals first (and last) CPU effort, the
>> first HLL ever implemented as an instruction set on a chip (afaik, anyway),
>> rare as hen's teeth (I'll bet it's scarcity is on the order of the Apple I),
>> not to mention that it was a *very* early 16-bit system that was actually
>> available to mere mortals.
> I thought the DEC LSI11 (PDP11/03) used a variety of this chip with different
> microcode roms.
Shure, bur the PMS (*G*) utilizes the p-code engine as native
Code - at one time the UCSD p-System was a kind of a ruling
cross platform and cross language standard. The 'p' of p-System
was 'pseudo' not 'Pascal' as most people belive - they had
compilers for Pascal, Fortran, Cobol and Basic - all using
the same p-code engine to run ans all using the same 'OS'.
So to get the system on a new nmachine you just had to write
some low level parts of drivers, and, if the new system had a
different microprocessor, a new p-code interpreter - whoops,
and everything was running.
Cross platform development was an easy thing - write one
application and let it run on PETs, Tandys, CPM/systems,
of coure on APPLE ][s and even on IBM-PCs - oh, did someone
say Java ? *grins*.
Gruss
H.
--
Ich denke, also bin ich, also gut
HRK
Don Maslin wrote:
>On the other hand, one of the outer tracks - the one that contains the
>directory - is accessed much more frequently than any other. It is there
>that I have experienced the greatest number of failures.
This is true for many operating systems on many computers. Often
in the 70's and early 80's drive manufacturers would put circuitry
in the drives that would randomly move the heads off the directory
tracks after a certain period of time of non-access. (I have
several Kennedy 14" SMD drives that will do this. They have the
nice feature of a clear enclosure so that you can see what exactly
the heads are doing at any point in time!)
Tim.
< > IIRC, you were about to write some code to hook up one of thes
< > parallel-IDE HD kits to a CP/M machine with an EPP. Could this be mad
< Problem is that most of the older 8-bit systems don't have any way
< to read information coming back on the parallel port -- at best, it
< would involve using some of the status lines instead of data lines,
As I may have said off list.
Not all parallel ports on CP/M systems are useable. There are many that
could be configured to be usable, NS* horison, Compupro interfacer
series and even the AMPROLB come to mind for this kind of hack. But
the printerports as they stand on ALL CPM machines are configured very
different from PCs.
< manufacturer to another. It would probably be easier to build a
< ST-506 (or SASI) hardware (with firmware) adapter to IDE than to
ST506 to IDE???? Nah! Direct to IDE has been done already, see TCJ
GIDE project. Some CPM systems can hang SCSI already, my ampro and
SB180 do.
< (Then again, Allison's a lot smarter than I am and possibly a bit
< more stubborn -- I tend to stop banging my head against a brick wall
< when I've barely reached the empty space in the cinderblock).
No, I just know where the hammer and chisel are. ;)
it was a speculative hack to see if I could find the data for how one of
the PP adaptors actually talk... it's a big secret!
Just remember a hacker never bangs their head against the wall. That's
for some one in corperate to do.
Allison
> The H/Z-100's also ran CP/M-85. As some of you know it was a dual
> processor machine (8085/8088). Served well as a transition machine for
> those who had lots of CP/M applications and were moving into the then-new
> MessDos world. I've got two low-profile models (Z-110's, the model
Reminiscent of the DEC Rainbow. ISTR that the CP/M on that would quite
happily execute both .COM files, which it scheduled on the Z80, and .CMD
files, which ran on the 8088. I'm not sure what it did if you
accidentally tried to run a Messydos prog under CP/M, though... perhaps
I should try it someday.
Philip.
In a message dated 98-08-24 19:06:08 EDT, you write:
<>< > Well, it'll fit into the landfill better anyway...
> > Here's a question: what _obsolete_ computer would you choose for this
> > miracle machine, assuming you have unlimited power?
> > My choice would have to be an IBM PC just to vent..
>Which IBM PC? I would most likely choose a garden variety C64. >>
nah, C64 isnt good enough. IBM machines are much heavier and will do more
damage.
I have had a look at the TEK 4052 instruction set against that of the
Motorola 6800. Most of the 6800 instructions are present - the one
exception is DAA.
Tek also introduce 43 new instructions, but I don't know what any of
them do except NOP2 which presumably doesn't do anything at all.
More reading required on my part, but I guess a port of FLEX wouldn't be
too hard provided it could cope with the BIOS, which on a storage tube
machine is bound to be weird.
That said, the Tek 4052 has a far better line editor than many
non-storage environments I've met...
BTW, I've had one request to provide a write-up of my VCF talk for those
who can't get to the VCF itself. Is there any demand for this? Sam, do
you want this for imclusion in a "conference proceedings" sort of
document? It will be difficult, though, to include all the demo program
outputs (must get my plotter working again!), manual pages, etc.
Philip.
At 05:19 PM 8/24/98 -0700, you wrote:
>Does anyone still have that classic cover from an early issue of
>Interface Age? The one where the programmer has just buried a fire axe
>in an ASR-33 teletype.
Speaking of which, anyone else remember the series of ads from (iirc)
SmartTerm that said "Now that you have SmartTerm, what are you going to do
with your terminal?" and featured pictures of converted terminals being
used as a Fishbowl, a Mailbox, and a Dollhouse. There might have been
others, too. I always wanted to do the mailbox bit. Anyone still have
copies of these (or better still, scanned versions?) Maybe I'll see if
SmartTerm is still in business...
--------------------------------------------------------------------- O-
Uncle Roger "There is pleasure pure in being mad
roger(a)sinasohn.com that none but madmen know."
Roger Louis Sinasohn & Associates
San Francisco, California http://www.sinasohn.com/
At 05:15 PM 8/26/98 -0500, you wrote:
>> < Someone posted saying that there in fact was a 2.11 which I've not been
>> < able to find reference to. By any chance was that what came with a PCjr
>
>> I've seen it on PC xts, DEC VAXmates and S100 8086 boxen.
>
>S100 8086 boxes ?
>Are there still some left ?
>I never thought they had shown up in a big mass.
You know, one of the truly cool S-100 8086 boxes that was available
for a long time was the H/Z-100. You could get the all-in-one or
separate monitor configuration, color, 8', 5.25" floppies, etc. etc.
It ran Mess-DOS as well as H-dos (dual processors).
I lusted for one when I was a kid. The other day I found a pair of
them smashed to bits at a local surplus dealer.
It was truly depressing. Timing is definitely everything in this
game.
Jeff
>
>Gruss
>H.
>
>--
>Ich denke, also bin ich, also gut
>HRK
>
