Re: PDP-10 CLU language now available

> I found files for Barnara Liskov's programming language CLU on PDP-10 Sorry, it's BARBARA Liskov.

PDP-10 CLU language now available

Hello, I found files for Barnara Liskov's programming language CLU on PDP-10 backup tapes. MIT has made them available here: https://github.com/MITDDC/clu-1976-1989 See also: http://pmg.csail.mit.edu/CLU.html

Re: Extremely CISC instructions

On Wed, Aug 25, 2021 at 7:47 PM Paul Koning wrote: > > > > > On Aug 25, 2021, at 2:21 PM, Tony Duell via cctalk > > wrote: > > > > On Wed, Aug 25, 2021 at 7:17 PM Patrick Finnegan via cctalk > > wrote: > >> > >> Landscape monitors work fine as portrait for me when I turn them on their > >>

Re: Extremely CISC instructions

On Wed, Aug 25, 2021 at 7:33 PM Josh Dersch wrote: > > On Wed, Aug 25, 2021 at 11:19 AM Tony Duell via cctalk > wrote: >> >> On Wed, Aug 25, 2021 at 7:07 PM ben via cctalk wrote: >> > >> > On 2021-08-25 11:08 a.m., Josh Dersch via cctalk wrote: >> > >> > > (The Three Rivers PERQ included a

Re: Ultrix-11

On 8/25/2021 5:45 PM, Fritz Mueller via cctalk wrote: On Aug 25, 2021, at 10:16 AM, Paul Koning via cctalk wrote: I have near zero PDP-11 Unix experience, but I remember one flavor (BSD 2.11 ?) which set the top bit in its alleged ASCII output, which of course would break any terminal

Re: Wilson Laboratories SX-530 disk exerciser

On 8/25/21 4:51 PM, Alan Frisbie via cctalk wrote: > I recently acquired a Wilson Laboratories SX-530 disk exerciser > for SMD interface disk drives.  Unfortunately, it did not come > with a manual.  Does anyone out there have a copy they could > make available?  Yes, Bitsavers was the first

Re: Extremely CISC instructions

Thanks for the suggestions, all --- more than I was expecting! I have plenty of reading waiting for me now, but I hope people won't let that stop them from sharing other examples. Cheers, --Tom On Wed, Aug 25, 2021 at 6:08 PM Josh Dersch wrote: > On Mon, Aug 23, 2021 at 5:38 PM Tom Stepleton

Wilson Laboratories SX-530 disk exerciser

I recently acquired a Wilson Laboratories SX-530 disk exerciser for SMD interface disk drives. Unfortunately, it did not come with a manual. Does anyone out there have a copy they could make available? Yes, Bitsavers was the first place I checked. :-) Yes, I still have some SMD drives in

Re: CWVG

On 8/25/21 3:58 PM, Mike Loewen via cctalk wrote: On Wed, 24 Aug 2021, Mike Loewen via cctalk wrote: > > Back in the 2007 time frame, Andrew Lynch had written a utility to read > Vector Graphic hard-sectored diskettes on a Catweasel board.  Called > "CWVG", does anyone have a copy of the program?

Re: CWVG

On 8/25/21 3:31 PM, Fred Cisin via cctalk wrote: >> Later drives included both 100 TPI and 96 TPI (e.g. 1115-5 and -6). >> For a 5.25" drive, a beast of one.  No wonder they quit making floppy >> drives. The 1115/16 series was Micropolis' last gasp at floppy drives, I think. Not the steel plate

Re: CWVG

On Wed, 25 Aug 2021, Dennis Boone via cctalk wrote: On Wed, 24 Aug 2021, Mike Loewen via cctalk wrote: > > Back in the 2007 time frame, Andrew Lynch had written a utility to read > Vector Graphic hard-sectored diskettes on a Catweasel board. Called > "CWVG", does anyone have a copy of the

Re: CWVG

For 100tpi, there also existed Tandon TM100-4M drives.  The M stood for "Micropolis".   One of the TM100-4M drives that I had did not have the 'M' on the label. On Wed, 25 Aug 2021, Chuck Guzis via cctalk wrote: The early Micropolis 48 tpi drives (1015 Mod I) were spec-ed at 35 tracks.

Re: FTGH: Atari Portfolio HPC-004

Second in line =) And remember there are mostly no portifolios in Brazil =D ---8<---Corte aqui---8<--- http://www.tabajara-labs.blogspot.com http://www.tabalabs.com.br ---8<---Corte aqui---8<--- Em qua., 25 de ago. de 2021 às 19:17, Michael Fritsch via cctalk < cctalk@classiccmp.org> escreveu:

Re: FTGH: Atari Portfolio HPC-004

Hi Jan, I'm really interested in this little computer. I already sent you a PN. Micha Jan-Benedict Glaw via cctalk wrote: Hi! I'm offering an Atari Portfolio HPC-004 along with a 64 KB Memory Card for the cost of shipping (located in Germany.) It boots / works (using batteries), but I'm

Re: Extremely CISC instructions

On 2021-08-25 3:40 p.m., Van Snyder via cctalk wrote: On Wed, 2021-08-25 at 14:08 -0700, Fred Cisin via cctalk wrote: That is not how C defines bytes or ints, fyi. On Wed, 25 Aug 2021, ben via cctalk wrote: I suspect the standard says a byte is at least 7 bits. Thus 8 bit data is NOT

Re: Ultrix-11

> On Aug 25, 2021, at 10:16 AM, Paul Koning via cctalk > wrote: > I have near zero PDP-11 Unix experience, but I remember one flavor (BSD 2.11 > ?) which set the top bit in its alleged ASCII output, which of course would > break any terminal expecting actual 8 bit coding. I discovered

Re: Extremely CISC instructions

On Wed, 2021-08-25 at 14:08 -0700, Fred Cisin via cctalk wrote: > >> That is not how C defines bytes or ints, fyi. > > On Wed, 25 Aug 2021, ben via cctalk wrote: > > I suspect the standard says a byte is at least 7 bits. > > Thus 8 bit data is NOT PORTABLE. > > I don't know from "the standard",

Re: Extremely CISC instructions- C compilers.

On 2021-08-25 3:23 p.m., Van Snyder via cctalk wrote: > On Wed, 2021-08-25 at 14:58 -0400, Todd Goodman via cctalk wrote: >> P.110 of https://walden-family.com/bbn/bbn-print2.pdf has some slight >> information. >> >> It was advertised by Bolt, Beranek and Newman as the first computer >> to >> be

Re: CWVG

On 8/25/21 1:57 PM, Fred Cisin via cctalk wrote: > For 100tpi, there also existed Tandon TM100-4M drives.  The M stood for > "Micropolis".   One of the TM100-4M drives that I had did not have the > 'M' on the label. The early Micropolis 48 tpi drives (1015 Mod I) were spec-ed at 35 tracks. The

Re: Extremely CISC instructions- C compilers.

> On 08/25/2021 2:23 PM Van Snyder via cctalk wrote: > > > The C language appears to have been designed as a high-level assembler > for machines like the PDP-11, which first appeared ca 1970. At least > that's what the Wikipedioa article about the B language appears to say. Dennis

Re: Extremely CISC instructions

That is not how C defines bytes or ints, fyi. On Wed, 25 Aug 2021, ben via cctalk wrote: I suspect the standard says a byte is at least 7 bits. Thus 8 bit data is NOT PORTABLE. I don't know from "the standard", but, K said that an "int" could be whatever size was most convenient for the

Re: CWVG

On Wed, 25 Aug 2021, Jay Jaeger via cctalk wrote: I don't have that code, however a couple of points: First of all, I think Vector Graphic actually used Micropolis drives (and I suspect yours are because of the hard sectoring). I have Micropolis drives on my Altair. Back in 2006 I imaged my

Re: Ultrix-11

> On Aug 25, 2021, at 4:47 PM, Bill Gunshannon via cctalk > wrote: > > Same thing at the moment. I really don't remember much from the past > as I haven't used Ultrix-11 in several years. I suspect it has > something to do with number of bits and parity. Could be. Since parity always

Re: Ultrix-11

On 8/25/21 12:04 PM, Douglas Taylor via cctalk wrote: On 8/22/2021 8:21 AM, Bill Gunshannon via cctalk wrote: On 8/21/21 11:50 PM, Jay Jaeger via cctalk wrote: On 8/17/2021 1:39 PM, Paul Koning via cctalk wrote: I thought V7M and Ultrix were entirely diferent and unrelated things. At least

Re: Prototype new Apple /// memory board

What are the two larger sockets used for? Ray Sent from my Verizon, Samsung Galaxy smartphone Get Outlook for Android From: cctalk on behalf of Alexandre Souza via cctalk Sent: Wednesday, August 25, 2021 4:30:40 PM To: Eric Smith ;

Re: Prototype new Apple /// memory board

Eric, you could have used the 512KB sram chip instead of 4 128KB ones... ---8<---Corte aqui---8<--- http://www.tabajara-labs.blogspot.com http://www.tabalabs.com.br ---8<---Corte aqui---8<--- Em qua., 25 de ago. de 2021 às 17:28, Eric Smith via cctalk < cctalk@classiccmp.org> escreveu: > I've

Prototype new Apple /// memory board

I've been working on a new memory board for the Apple ///, using (somewhat) modern and still-in-production components, especially CMOS static RAM rather than DRAM. Last night I soldered the connectors, sockets, and passives of my first prototype:

Re: C.mmp OS

On Mon, Aug 23, 2021, 03:15 Liam Proven via cctalk wrote: > On Sun, 22 Aug 2021 at 23:42, Fred Cisin via cctalk wrote: > > If "drugs, sex, and rock'n'roll" is not the answer, > > then you are asking the wrong question. > > While I cannot disagree with my learned friend's proposition, I >

Re: Extremely CISC instructions

On Wed, Aug 25, 2021, 09:50 ben via cctalk wrote: > On 2021-08-25 1:25 a.m., Eric Smith via cctalk wrote: > > > > 432 GDP instructions were bit-aligned in an instruction object, and > > occupied anywhere from 6 to 344 bits. > > Did not the IBM 7030 try a similar idea. > All this work to replace

Re: Extremely CISC instructions- C compilers.

On Wed, 2021-08-25 at 14:58 -0400, Todd Goodman via cctalk wrote: > P.110 of https://walden-family.com/bbn/bbn-print2.pdf has some slight > information. > > It was advertised by Bolt, Beranek and Newman as the first computer > to > be designed around the C language. This says the computer was

Re: Extremely CISC instructions- C compilers.

> On Aug 25, 2021, at 2:58 PM, Todd Goodman via cctalk > wrote: > > ... > P.110 of https://walden-family.com/bbn/bbn-print2.pdf has some slight > information. > > It was advertised by Bolt, Beranek and Newman as the first computer to be > designed around the C language. > > It had 10-bit

Re: Extremely CISC instructions- C compilers.

On 8/25/2021 1:58 PM, ben via cctalk wrote: On 2021-08-25 10:27 a.m., Todd Goodman via cctalk wrote: On 8/25/2021 11:49 AM, ben via cctalk wrote: [..SNIP..] C uses cheap tricks for speed. 8 bit bytes, 32 bit integers, taken from B. I have 21 bit CPU, with 3 7 bit bytes/word. Algol would

Re: FTGH: Atari Portfolio HPC-004

Hey Jan-Bendict, I love Atari stuff. What are you asking for it and how much to ship to Redwood Meadows, Alberta Canada. Postal code is T3Z 1A3 On Wed, Aug 25, 2021 at 11:24 AM Jan-Benedict Glaw via cctalk < cctalk@classiccmp.org> wrote: > Hi! > > I'm offering an Atari Portfolio HPC-004 along

Re: Extremely CISC instructions

> On Aug 25, 2021, at 2:21 PM, Tony Duell via cctalk > wrote: > > On Wed, Aug 25, 2021 at 7:17 PM Patrick Finnegan via cctalk > wrote: >> >> Landscape monitors work fine as portrait for me when I turn them on their >> side. > > You may have problems converging a colour CRT, particularly

Re: Extremely CISC instructions

On Wed, Aug 25, 2021 at 11:19 AM Tony Duell via cctalk < cctalk@classiccmp.org> wrote: > On Wed, Aug 25, 2021 at 7:07 PM ben via cctalk > wrote: > > > > On 2021-08-25 11:08 a.m., Josh Dersch via cctalk wrote: > > > > > (The Three Rivers PERQ included a similar "RASTEROP" instruction in its > >

Re: Extremely CISC instructions

On 2021-08-25 2:17 p.m., Patrick Finnegan via cctalk wrote: > On Wed, Aug 25, 2021 at 2:07 PM ben via cctalk > wrote: > >> All rendered useless if you move to gray or color. Sadly almost >> all monitors are landscape rather than portrait, so we may never see >> a good emulation of them. >> > >

Re: Extremely CISC instructions

On Wed, Aug 25, 2021 at 7:17 PM Patrick Finnegan via cctalk wrote: > > Landscape monitors work fine as portrait for me when I turn them on their > side. You may have problems converging a colour CRT, particularly an in-line gun type, if you do that. They are designed for the earth's magnetic

Re: Extremely CISC instructions

On Wed, Aug 25, 2021 at 7:07 PM ben via cctalk wrote: > > On 2021-08-25 11:08 a.m., Josh Dersch via cctalk wrote: > > > (The Three Rivers PERQ included a similar "RASTEROP" instruction in its Well, it might do.There is no requirement for the PERQ machine code instruction set to include that, or

Re: Extremely CISC instructions

On Wed, Aug 25, 2021 at 2:07 PM ben via cctalk wrote: > All rendered useless if you move to gray or color. Sadly almost > all monitors are landscape rather than portrait, so we may never see > a good emulation of them. > Landscape monitors work fine as portrait for me when I turn them on their

Re: Extremely CISC instructions

On 2021-08-25 11:08 a.m., Josh Dersch via cctalk wrote: (The Three Rivers PERQ included a similar "RASTEROP" instruction in its repertoire, which was similar to BITBLT but also allowed for various logical operations to be applied to the source and destination.) All rendered useless if you

Re: Extremely CISC instructions- C compilers.

On 2021-08-25 10:27 a.m., Todd Goodman via cctalk wrote: On 8/25/2021 11:49 AM, ben via cctalk wrote: [..SNIP..] C uses cheap tricks for speed. 8 bit bytes, 32 bit integers, taken from B. I have 21 bit CPU, with 3 7 bit bytes/word. Algol would have a PACK/UPACK function, and be fairly

FTGH: Atari Portfolio HPC-004

Hi! I'm offering an Atari Portfolio HPC-004 along with a 64 KB Memory Card for the cost of shipping (located in Germany.) It boots / works (using batteries), but I'm missing its original wall wart. Is anybody interested? Thanks, Jan-Benedict --

Re: Ultrix-11

> On Aug 25, 2021, at 12:04 PM, Douglas Taylor via cctalk > wrote: >> > In the video on youtube and in my experience the screen formating codes seem > to be incorrect. You can see this in the video when a man page is brought > up. The bolding does not occur. I get the same result after

Re: Extremely CISC instructions

On Mon, Aug 23, 2021 at 5:38 PM Tom Stepleton via cctalk < cctalk@classiccmp.org> wrote: > Hello, > > For the sake of illustration to folks who are not necessarily used to > thinking about what computers do at the machine code level, I'm interested > in collecting examples of single instructions

Replica computers PDP 8/11/10

As reminder "Obsolescence Guaranteed" is building replica computers using simh with a pi all in a thin front panel. https://obsolescence.wixsite.com/obsolescence https://obsolescenceguaranteed.blogspot.com/2020/02/inevitaby-pidp-10.html PDP 8's and 11's are selling like hot cakes. Ben.

Re: Extremely CISC instructions

On 8/25/21 9:27 AM, Todd Goodman via cctalk wrote: > > Nope, the standard doesn't specify those bit sizes. > > Back in the 80s I was using the BBN C Machine with 10-bit bytes and > happily building from source I picked up on the newsgroups with little > issue > Or, you could simply be

Re: Extremely CISC instructions

On 8/25/2021 11:49 AM, ben via cctalk wrote: [..SNIP..] C uses cheap tricks for speed. 8 bit bytes, 32 bit integers, taken from B. I have 21 bit CPU, with 3 7 bit bytes/word. Algol would have a PACK/UPACK function, and be fairly portable. C on the other hand a mess. Ok. I don't have 21 bit

Re: Extremely CISC instructions

On 2021-08-25 9:58 a.m., Toby Thain via cctalk wrote: That is not how C defines bytes or ints, fyi. I suspect the standard says a byte is at least 7 bits. Thus 8 bit data is NOT PORTABLE. Ben.

Re: Ultrix-11

On 8/22/2021 8:21 AM, Bill Gunshannon via cctalk wrote: On 8/21/21 11:50 PM, Jay Jaeger via cctalk wrote: On 8/17/2021 1:39 PM, Paul Koning via cctalk wrote: I thought V7M and Ultrix were entirely diferent and unrelated things. At least on the Pro, DEC released a betal version of the one

Re: Extremely CISC instructions

On 2021-08-25 11:49 a.m., ben via cctalk wrote: > On 2021-08-25 1:25 a.m., Eric Smith via cctalk wrote: >> >> 432 GDP instructions were bit-aligned in an instruction object, and >> occupied anywhere from 6 to 344 bits. > > Did not the IBM 7030 try a similar idea. > All this work to replace a

Re: Extremely CISC instructions

On 2021-08-25 1:25 a.m., Eric Smith via cctalk wrote: 432 GDP instructions were bit-aligned in an instruction object, and occupied anywhere from 6 to 344 bits. Did not the IBM 7030 try a similar idea. All this work to replace a punched card. Funny how records where simple on decimal computers

Re: CWVG

> Back in the 2007 time frame, Andrew Lynch had written a utility to read > Vector Graphic hard-sectored diskettes on a Catweasel board. Called > "CWVG", does anyone have a copy of the program? The program doesn't appear to have made it onto vector-archive.org. I'll add to Jay's comment

Re: Anyone remember Kel-Am connectors?

On 8/25/21 12:29 AM, Eric Smith via cctalk wrote: Speaking of which, it would also be nice to see some Robinson Nugent connector catalogs from the late 1970s and early 1980s. I am especially interested in seeing specs for their bottom-entry square-pin receptacles, which I think _might_ be the

Re: CWVG

I don't have that code, however a couple of points: First of all, I think Vector Graphic actually used Micropolis drives (and I suspect yours are because of the hard sectoring). I have Micropolis drives on my Altair. Back in 2006 I imaged my floppies - by reading the sectors on my Altair

Anyone remember Kel-Am connectors?

When I worked at Apparat around 1981, we used a lot of *male* IDC edge card connectors. I've almost never seen any since, and I couldn't remember the name of the vendor. I just found out that it was Kel-Am, but the internet knows almost nothing about them. Here's an example:

Re: Extremely CISC instructions

On Mon, Aug 23, 2021 at 6:38 PM Tom Stepleton via cctalk < cctalk@classiccmp.org> wrote: > For the sake of illustration to folks who are not necessarily used to > thinking about what computers do at the machine code level, I'm interested > in collecting examples of single instructions for any CPU