Evans & Sutherland PS-2?

2020-05-18 Thread Brad Parker via cctalk
Does anyone have, or know of low level documentation for Evans & Sutherland Picture System 2 hardware? I walk past a PS-2 monitor all the time and some of us started talking about bringing it back to life.  I'm not sure if more of the system exists, but it might.  I plan to check. I looked

Re: TU58 problems

2016-01-16 Thread Brad Parker
On 1/16/16 12:44 PM, tony duell wrote: Does anyone have any sensible ideas as to what to try next. At the moment I have no idea if it's the tape, heads, roller or what This might not be what you want, but I boot my 11/730 from a tu58 emulator running on a linux box. I used a little

Re: IDE knowledge anyone?

2015-12-07 Thread Brad Parker
On 12/7/15 6:52 AM, Oliver Lehmann wrote: I don't have much to offer, but I have done PIO IDE accesses on lots of cpu's, including small ARM cpu's. I would put the code into a "read loop" and "write loop" and look at the signals with a scope. Make sure they look good - i.e. clean edges and

Re: 1980s/1990s 68k C cross (and not so cross) compilers

2015-11-25 Thread Brad Parker
On 11/21/15 2:38 PM, Al Kossow wrote: On 11/21/15 10:44 AM, Paul Koning wrote: Arg, totally forgot to include the HP 64000 and Tek 8560 development systems though I'm blanking right now on if they did their own or sold third-party C compilers. Third party, I believe. I used one of those

Re: flash (or ide) storage for unibus 11?

2015-11-24 Thread Brad Parker
On 11/24/15 5:04 PM, shad wrote: Hello, I have some unibus machines that always need some way to interface to modern disks. I always dream to make an universal board that could act as disk and/or tape interface to a modern medium (scsi or cf/sd card), but also ram, network, I/O, whatever...

Re: WD9000 Pascal microengine schematics available

2015-11-10 Thread Brad Parker
My problem is I've not done it before. I also have the logic-analyzer-on-a-chip out of the 165xx series shot but not analyzed. http://siliconpr0n.org/archive/doku.php?id=mcmaster:hp:hp-c5_1fi1-0001 Don't you also need to "delayer" the chip to get all the hidden features? I thought the

Re: WD9000 Pascal microengine schematics available

2015-11-10 Thread Brad Parker
On 11/10/15 5:50 PM, Eric Smith wrote: On Tue, Nov 10, 2015 at 1:39 PM, Brad Parker <b...@heeltoe.com> wrote: Don't you also need to "delayer" the chip to get all the hidden features? For late 1970s coarse geometry NMOS with only one metal layer, it's usually possible wi

Re: WD9000 Pascal microengine schematics available

2015-11-10 Thread Brad Parker
fyi: from the 6502 faq: /* How do you turn bitmaps into polygons?/ We draw them in our custom Python app. We spent about two months looking at automatic vectorization and using the bitmaps to create polygon fragments, but neither of these was better than just sitting down and clicking out

Re: WD9000 Pascal microengine schematics available

2015-11-09 Thread Brad Parker
On 11/5/15 6:57 PM, Al Kossow wrote: On 11/5/15 3:55 PM, Al Kossow wrote: On 11/5/15 10:40 AM, Jos Dreesen wrote: And then around 100 / 150 8" floppies to image when it rains it pours.. http://www.ebay.com/itm/311470113149 Eric Smith and I have been looking for these for a long time.

Re: youtube video of a runnning XDS Sigma mainframe with lots of nice peripherals

2015-11-09 Thread Brad Parker
On 11/2/15 8:00 PM, Al Kossow wrote: On 11/2/15 2:15 PM, Rich Alderson wrote: Not just running condition. 100,000 pounds of gear, including the 9, 6, and a 7 that had been retired in the 90s, spares for all of them, the 8 running disk drives and 4 running tape drives, along with about 20 more

Re: Acquiring a bunch of Lisp Machines

2015-09-27 Thread Brad Parker
On 9/25/15 9:20 PM, Guy Sotomayor wrote: Some work has been done to build an emulator but it was based upon trying to emulate the code that ran on the Alpha. No one to my knowledge has created an emulator for the 36xx series machines. It's good to see that the MFM emulator worked on a 3640.

Re: Qbus split ID?

2015-08-11 Thread Brad Parker
On 8/9/15 1:12 PM, Noel Chiappa wrote: This all makes sense - if one can reach into the CPU, it's definitely plausible to have an upgrade which expands the size of the PARs (unlike the ENABLE board from Able). I know I'm late to this discussion, but are you aware of this: