I got a request through my web site for a CP/M System Boot Disk for the
Morrow Disk Jockey DMA Controller Board. Anyone have an image I could make
to help this guy out?
Thanks
BIll
Just a heads-up that the 1979 edition of the "pdp11 bus handbook" has a very
serious editing error in it, in the description of UNIBUS arbitration.
On page 38, immediately after step 13 of the NPR Arbitration Sequence
("13. .... SACK must be negated before BBSY may be negated."), it says "A bus
master may issue an interrupt command to the interrupt fielding processor."
Despite its location in the text, this does __NOT__ apply to the "NPR
arbitration sequence" being discussed above. There is an editing error - this
text is (or _should be_) separate from the "NPR Arbitration Sequence" section
just before it; it belongs with "BR Interrupt Arbitration Sequence" - that
header (on pg. 39) was put in the wrong place.
The 1975 "peripherals handbook" has very similar text, but it _does_ have a
section header after the NPR details (line 13 is identical), and before the
start of the (very similar) BR text ("A bus master that has gained control
... through a BRn/BGn arbitration transaction may issue an interrupt command
to the processor.").
Noel
Anyone know which Lucent semiconductor device or devices were used in the
first Apple AirPort, the Lucent board was " Lucent WaveLAN Silver PC Card"
but I'd like to know the devices used.
Tom
Hi,
Just an update on this. I still haven't got those 8' floppies of unknown
origin to play with but I HAVE made a lot of progress with my own disks.
Thanks to everyone who gave me help with this.
Here's a writeup for those interested:
http://www.classic-computers.org.nz/blog/2017-04-15-adventures-with-an-8-in…
Terry (Tez)
________________________________________
From: cctech [cctech-bounces at classiccmp.org] on behalf of Tim Mann via cctech [cctech at classiccmp.org]
Sent: Sunday, April 16, 2017 8:13 PM
To: cctech at classiccmp.org
Subject: Re: cctech Digest, Vol 34, Issue 15
Brief comments on a couple of topics...
I hadn't heard of the MISE or M3SE before, so I googled. Remarkable
projects. It's pretty tempting to get an M3SE to play with on the Model 4P
that I bought as a reference platform when I was adding 4P support to xtrs.
(I don't have any other physical TRS-80s anymore.) Time continues to be a
big problem in the way of doing retrocomputing stuff, though.
_____________________________________________
Definitely worth it. It will boot directly from the M3SE making it a lot easier to do stuff.
And with the FTP capability I just had an old BASIC program I ran years ago that I wanted
to revive. Used FTP to move it back and forth between my Model 1 and a Unix system
in order to have a real editor for fixing all the mistakes. Then used FTP to move the
program to the 4P to test it out there as well. Never realized the speed difference in
the various models until I cold run stuff like this side by side.
bill
> On Apr 16, 2017, at 8:13 PM, Tim Mann via cctech <cctech at classiccmp.org> wrote:
>
> I hadn't heard of the MISE or M3SE before, so I googled. Remarkable
> projects. It's pretty tempting to get an M3SE to play with on the Model 4P
> that I bought as a reference platform when I was adding 4P support to xtrs.
> (I don't have any other physical TRS-80s anymore.) Time continues to be a
> big problem in the way of doing retrocomputing stuff, though.
>
Good to hear from you, Tim. Speaking as someone else with the lack of time issue these days, the M3SE makes using the TRS-80 so much simpler and easier that you get to actually spend time using it rather than spending your little spare time getting it working.
Hi Noel,
I don't think I need it it but I know someone on the list for about a year
that probably does. Let me know the status.
Can you call sometime this week?
Thanks, Paul
Did IBM publish a Program Logic Manual (PLM) for APL\360, APL.SV, or any
other APL language implementation, as they did for e.g. their FORTRAN(E)
and PL/I(F) compilers?
> From: Al Kossow
> Harry did an oral history at CHM
There are also a pair at the Smithsonian:
http://amhistory.si.edu/archives/AC0196_husk730419.pdfhttp://amhistory.si.edu/archives/AC0196_husk720309.pdf
and the CBI did one too, but alas it does not seem to be on-line (it's not in
their OH index, and although Google searches for other ones from there turned
them up, not this one):
Harry D. Huskey, OH-83
Interviewer: Christopher Evans
Date of interview: 1976
Anyone have a pointer to it?
Noel