And the original analysis paper, "It Takes Six Ones to Reach a Flaw":
http://www.acsel-lab.com/arithmetic/arith12/papers/ARITH12_Coe.pdf
Also
http://www-math.mit.edu/~edelman/homepage/papers/pentiumbug.pdf
On Wed, Jan 2, 2019 at 9:12 PM dwight via cctalk
wrote:
> I believe that is the one. Intel tried to say it wasn't an issue until it
> was shown that the error was significant when using floating point numbers
> near integer values. I suspect that the fellow that forgot to include the
> mask file
On 01/03/2019 05:22 PM, Kyle Owen wrote:
> On Thu, Jan 3, 2019 at 3:29 PM allison via cctech
> mailto:cct...@classiccmp.org>> wrote:
>
> Those were likely with a PDP12 or LAB-8 with DAC board. The code
> actually is a roughly
> digital version of tones in 10 or 12 bit form by writing s
On Thu, Jan 3, 2019 at 3:29 PM allison via cctech
wrote:
> Those were likely with a PDP12 or LAB-8 with DAC board. The code
> actually is a roughly
> digital version of tones in 10 or 12 bit form by writing sequential
> words (waveforms) to
> the DAC.
>
Do you have any information on the AA01-A
On 01/03/2019 09:03 AM, Bill Degnan via cctech wrote:
> I have tapes with labels
>
> 8-152a 8 Music Coding Program Symbolic #1
> 8-152 8 Music Coding Program Symbolic #2
> 8-152 Teddy Bear's Picnic Symbolic
> 8-152a Penny Lane Symbolic
> 8-152 Joy to the World Symbolic
> 8-152 Your Mother Shoul
On Thu, Jan 3, 2019, 17:48 allison I don't think this album has been forgotten; I have a copy, and I know
> others with copies, too. It seems as though "Unplayed by Human Hands" (both
> versions) are less well-known. I would like to work on getting the original
> software archived, assuming it's s
> On Jan 3, 2019, at 5:17 PM, Paul Koning wrote:
>
> So in this example, 55230 is the error logging entry point for the RK11
> driver. ... If you have a breakpoint at this location, you'll be able to
> capture the controller CSR contents which -- I hope -- will explain why the
> system is no
> On Jan 3, 2019, at 11:51 AM, Fritz Mueller via cctalk
> wrote:
>
> Hi Paul,
>
>> On Jan 3, 2019, at 7:01 AM, Paul Koning wrote:
>>
>> I have a Monitor ODT manual from RSTS V4, I should find a way to make that
>> available. It's pretty nearly standard ODT, there are a few extensions for
> On Jan 3, 2019, at 3:49 PM, Mattis Lind via cctalk
> wrote:
>
> Success sort off!
>
> ...
>
> HALT instruction, PC: 42 (BIC R4,SP)
>
> sim>
>
> So it does run! I would guess that the lack of proper AD01 and AA11
> hardware in SimH is the reason for the HALT, but it remain to be
> in
From: Noel Chiappa
Sent: Friday, December 21, 2018 5:19 AM
>> From: Mattis Lind
>> I cannot figure out which early machine it comes from.
> They're called 'System Modules':
> http://gunkies.org/wiki/System_Module
> and they were used from the PDP-1 through (I think) the PDP-7; at least, this
Success sort off!
>
> the source paper tapes for fpmp are at
> http://bitsavers.org/bits/DEC/pdp11/papertapeimages/20040101/tray07
>
> TRAY07
>
> dec-11-nfpma-a-pr1 8/72; fpmp-11 single precision package; replaces:
> dec-11-yqpc-pb; (c)1971,72
> dec-11-nfpma-a-pr2 8/72; fpmp-11 double precision p
Hi Paul,
> On Jan 3, 2019, at 7:01 AM, Paul Koning wrote:
>
> I have a Monitor ODT manual from RSTS V4, I should find a way to make that
> available. It's pretty nearly standard ODT, there are a few extensions for
> mapping addresses
Bitsavers has some docs for ODT from contemporaneous versi
> On Jan 2, 2019, at 8:50 PM, Mueller, Fritz via cctalk
> wrote:
>
>
>
>> On Jan 2, 2019, at 4:40 PM, Paul Koning wrote:
>>
>> I'm pretty sure it was there for a long time. It's under memory layout
>> suboptions. When it says "any memory layout changes" say yes, then when it
>> asks w
I have tapes with labels
8-152a 8 Music Coding Program Symbolic #1
8-152 8 Music Coding Program Symbolic #2
8-152 Teddy Bear's Picnic Symbolic
8-152a Penny Lane Symbolic
8-152 Joy to the World Symbolic
8-152 Your Mother Should Know Symbolic
8-152a Penny Lane 0037-7720, 0170=
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