Re: To the 2901 bit slicers out there

2017-12-28 Thread Holm Tiffe via cctalk
Randy Dawson via cctalk wrote: > Since I know there's tons of PDP/11 geniuses here, and other gurus with a > NOVA 4, and a Tektronix 4052 guy (I have the 4051): > > > What have you done, with microprogramming this part? In your architecture, > have you changed the microcode, create an instru

Re: To the 2901 bit slicers out there

2017-12-28 Thread Rob Doyle via cctalk
On 12/27/2017 9:35 PM, Randy Dawson via cctalk wrote: Since I know there's tons of PDP/11 geniuses here, and other gurus with a NOVA 4, and a Tektronix 4052 guy (I have the 4051): What have you done, with microprogramming this part? In your architecture, have you changed the microcode, create

Re: Lisa Source Code

2017-12-28 Thread Christian Corti via cctalk
What is a "Lisa Source Code" ? The schematics? The source code for the Lisa firmware and/or Lisa OS? Christian

Re: Lisa Source Code

2017-12-28 Thread Sam O'nella via cctalk
Saw the announcement via slashdot also the other day.  Definitely a kudos to the CHM team! null

Re: Lisa Source Code

2017-12-28 Thread Sam O'nella via cctalk
https://groups.google.com/forum/m/#!msg/lisalist/aIo6cNu54xM/_Ck_CsmSBgAJ They may still be getting approvals, but here is the announcement implying both OS and some applications may be included. Original message From: Christian Corti via cctalk Date: 12/28/17 3:23 AM (GMT-06:

Re: Lisa Source Code

2017-12-28 Thread Daniel Seagraves via cctalk
> On Dec 28, 2017, at 3:23 AM, Christian Corti via cctalk > wrote: > > What is a "Lisa Source Code" ? > The schematics? The source code for the Lisa firmware and/or Lisa OS? Whatever it is, it won’t be enough, someone will throw a fit about something being there or not there.

Re: To the 2901 bit slicers out there

2017-12-28 Thread Jon Elson via cctalk
On 12/27/2017 10:35 PM, Randy Dawson via cctalk wrote: Here's my 32-bit 2903 project. It was to roughly emulate an IBM 360. But, I realized there would be an IMMENSE software slog ahead to get a usable computer system. (If I had known about the Unix 360 system, I might have continued with i

Re: To the 2901 bit slicers out there

2017-12-28 Thread Jon Elson via cctalk
On 28.12.2017 05:35, Randy Dawson via cctalk wrote: What about the coding tools? ADASM? Looks long gone, how do you do microcode today? Oh, I first started out with an assembler macro hack, but it was insanely cumbersome, due to the limits of the macro capability of the Z-80 assembler I

Re: To the 2901 bit slicers out there

2017-12-28 Thread ben via cctalk
On 12/27/2017 9:35 PM, Randy Dawson via cctalk wrote: Since I know there's tons of PDP/11 geniuses here, and other gurus with a NOVA 4, and a Tektronix 4052 guy (I have the 4051): Well I am not one of them. 2901's seem only on epay now, so lack of parts have kept me from designing with them.

Re: To the 2901 bit slicers out there

2017-12-28 Thread Pete Lancashire via cctalk
Wirewrapped the design in the 2900 family guide sometime in the 70s it even worked. No idea what became of it On Thu, Dec 28, 2017 at 9:53 AM, ben via cctalk wrote: > On 12/27/2017 9:35 PM, Randy Dawson via cctalk wrote: > >> Since I know there's tons of PDP/11 geniuses here, and other gurus w

Re: To the 2901 bit slicers out there

2017-12-28 Thread Al Kossow via cctalk
On 12/28/17 12:43 AM, Holm Tiffe via cctalk wrote: > The Micorocode Assembler should be here: http://bitsavers.org/bits/AMD/AM29 manuals http://bitsavers.org/pdf/amd/amsys29/

Re: Restoring a VT50 (VT52 actually) .

2017-12-28 Thread Stefan Skoglund via cctalk
lör 2017-12-23 klockan 20:12 -0800 skrev Chuck Guzis via cctalk: > On 12/23/2017 07:24 PM, Chris Elmquist wrote: > > > I’m not sure you can smell the difference between failed selenium > > rectifiers and lutefisk... > > It probably doesn't get interesting until you toss in a can of > surströmmi

Re: To the 2901 bit slicers out there

2017-12-28 Thread jim stephens via cctalk
On 12/27/2017 8:35 PM, Randy Dawson via cctalk wrote: Since I know there's tons of PDP/11 geniuses here, and other gurus with a NOVA 4, and a Tektronix 4052 guy (I have the 4051): What have you done, with microprogramming this part? In your architecture, have you changed the microcode, cr

Re: Restoring a VT50 (VT52 actually) .

2017-12-28 Thread Chuck Guzis via cctalk
On 12/28/2017 11:44 AM, Stefan Skoglund via cctalk wrote: > Surströmming isn't a christmas tradition. > > It is more like a late august,september tradition (or in summer together > with the season potatoes, onion and bread.) > > the sale of this year surströmming was until 1998 legally delayed

Re: Restoring a VT50 (VT52 actually) .

2017-12-28 Thread Chris Elmquist via cctalk
On Thursday (12/28/2017 at 11:58AM -0800), Chuck Guzis via cctalk wrote: > On 12/28/2017 11:44 AM, Stefan Skoglund via cctalk wrote: > > > Surströmming isn't a christmas tradition. > > > > It is more like a late august,september tradition (or in summer together > > with the season potatoes, onion

Re: RT-11 idle light pattern

2017-12-28 Thread Fritz Mueller via cctalk
> On Dec 27, 2017, at 8:23 AM, Paul Koning wrote: > > ; "A SOURCE OF INNOCENT MERRIMENT!" > ; - W.S. GILBERT, "MIKADO" > ; "DID NOTHING IN PARTICULAR, AND DID IT VERY WELL" > ; - W.S. GILBERT, "IOLANTHE" > ; "TO BE IDLE IS THE ULTIMATE PURPOSE OF THE BUSY" > ; - SAMUEL JOHNSON, "THE

Re: RT-11 idle light pattern

2017-12-28 Thread David C. Jenner via cctalk
The sources to each release were usually included with the distribution so that custom system settings could be sysgened. The sources are uncommented, however. You could implement this by finding the commented out source in the sources and regenerating the system, with the code in the appropr