RE: who is in this picture? (VCF 199x)

Date: Wed, 31 Jan 2018 04:21:40 -0600 From: Michael Lee To: cct...@classiccmp.org [2] Subject: Re: who is in this picture? (VCF 199x) Message-ID: Content-Type: text/plain; charset=utf-8; format=flowed ***Sorry to be picking

Re: Intel 8085 - interview?

On Fri, Feb 9, 2018 at 3:41 PM, Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > The V-series may be a good example of why Intel didn't want to publicize > the added 8085 instructions. > Maybe. What I'd heard from multiple sources was that they only wanted the 8085 to replace the 8080,

Re: How to enable USB drives in both Windows 98SE AND MS-DOS 7.1.

Sorry if this comes across wrong. I think I'm fighting a meat space bug. As such my filters are a little less functional than normal. On 02/09/2018 12:00 PM, Noel Chiappa via cctalk wrote: Hi, can I appeal to you (and everyone else who writes up these kinds of notes) to put this stuff on the

Re: Intel 8085 - interview?

On 02/09/2018 01:59 PM, allison via cctalk wrote: > I use that as an example of compatibility or extensions another more > familiar is the NEC V20 fits in the 8088 socket but has enhanced > performance and native 8080 emulation mode. The V-series may be a good example of why Intel didn't want to

Re: DECwriterIV/LA100s and large DEC monitors available, Cambs UK

On Fri, Feb 9, 2018 at 3:22 PM, Zane Healy via cctalk wrote: > > > On Feb 9, 2018, at 11:26 AM, Adrian Graham via cctalk < > cctalk@classiccmp.org> wrote: > > > > LA100-CA > > I’m really glad you’re on the right side of the Pond! I really don’t have > the space to get

Re: DECwriterIV/LA100s and large DEC monitors available, Cambs UK

> On Feb 9, 2018, at 11:26 AM, Adrian Graham via cctalk > wrote: > > LA100-CA I’m really glad you’re on the right side of the Pond! I really don’t have the space to get tempted by something like this! :-) Zane

Re: Maxtor full-height 5.25" drives of death

On Fri, 9 Feb 2018, js--- via cctalk wrote: A tangential question out of curiosity: who here has 5.25" MFM drives they're extremely surprised are still working, and which model(s)? I'll start. I've quite a few MFM drives, but the ones that really surprise me are (2) Seagate ST-506, and (2)

Re: Intel 8085 - interview?

On 02/09/2018 04:18 PM, Sean Conner wrote: > It was thus said that the Great allison via cctalk once stated: >> The industry was loaded with that the 6502 series also had that going on >> as well as the 6809 and others. > Do you have any information about undocumented opcodes for the 6809? > >

Re: Intel 8085 - interview?

On 02/09/2018 12:26 PM, allison via cctalk wrote: > IBM PC early also did that... other vendors of the 8088 didn't work > in the 64K and early 256K IBM PCs due to a slight timing variation > that reputedly intel helped design in. One gate fixed it but it was > undocumented thing you could

Re: Maxtor full-height 5.25" drives of death

On 02/09/2018 12:14 PM, allison via cctalk wrote: > > The grand daddy of them all is the RL02 salvaged in 1983 and still > running along with two packs from then. Its life was 9 years of > Monday through Friday power on and now intermittent about 5 times a > month since 1994. Still booting a

Re: Maxtor full-height 5.25" drives of death

On Fri, 9 Feb 2018, js--- via cctalk wrote: A tangential question out of curiosity: who here has 5.25" MFM drives they're extremely surprised are still working, and which model(s)? I'll start. I've quite a few MFM drives, but the ones that really surprise me are (2) Seagate ST-506, and (2) IMI

Re: Intel 8085 - interview?

It was thus said that the Great allison via cctalk once stated: > > The industry was loaded with that the 6502 series also had that going on > as well as the 6809 and others. Do you have any information about undocumented opcodes for the 6809? -spc

Re: HP 9816 CP/M-68K

On 2018-02-09 4:05 PM, Al Kossow via cctalk wrote: floppies recovered and uploaded to http://bitsavers.org/bits/HP/HP_9000/cpm-68k I'm pretty sure this will only work in a 9121 single-sided drive but I'll be trying to boot it soon I would suspect the issue is that it only support Amigo

Re: Maxtor full-height 5.25" drives of death

On 02/09/2018 01:05 PM, js--- via cctalk wrote: > > > On 2/9/2018 12:25 PM, Chuck Guzis via cctalk wrote: >> On 02/09/2018 05:20 AM, allison via cctalk wrote: >> >>> At the other extreme I have over a dozen Quantum D540s (RD52 31mb full >>> height) >>> that are really old and getting older and

HP 9816 CP/M-68K

floppies recovered and uploaded to http://bitsavers.org/bits/HP/HP_9000/cpm-68k I'm pretty sure this will only work in a 9121 single-sided drive but I'll be trying to boot it soon

Re: Intel 8085 - interview?

On Thu, Feb 8, 2018 at 9:56 PM, Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > On 02/08/2018 07:18 PM, Eric Smith via cctalk wrote: > > At some point I read an article or a transcript of an interview with an > > Intel employee (or former employee) who had been involved with the design >

Re: Intel 8085 - interview?

On 02/09/2018 10:57 AM, Warner Losh via cctalk wrote: > For those that don't want to read through the entire datasheet, > https://electronicerror.blogspot.com/2007/08/undocumented-flags-and-instructions.html > has a good summary. RIM and SIM were always documented for the 8085. Not doing so

DECwriterIV/LA100s and large DEC monitors available, Cambs UK

Hi folks, Clearing out some of the larger DEC pieces I have, does anyone want these before I offer them to the Centre For Computing History? They’d need to be collected from Cambridgeshire, or I can deliver them if the distance is reasonable. I kind of need the space quickly too. Usual

Re: How to enable USB drives in both Windows 98SE AND MS-DOS 7.1.

> From: Terry Stewart > http://www.classic-computers.org.nz/blog/2018-02-05-USB-in-MS-DOS-and-Win98.htm > Hopefully the article will be useful to others who might want to do > this. Hi, can I appeal to you (and everyone else who writes up these kinds of notes) to put this stuff

Re: Intel 8085 - interview?

On Fri, Feb 9, 2018 at 11:29 AM, Al Kossow via cctalk wrote: > > > On 2/9/18 9:23 AM, Chuck Guzis via cctalk wrote: > > > Calmos (then later Tundra) Semiconductor actually documents them in > > detail in their CA80C85 datasheet, but those were from the early 1980s. > > >

Re: Maxtor full-height 5.25" drives of death

On 2/9/18 10:05 AM, js--- via cctalk wrote: > A tangential question out of curiosity: who here has 5.25" MFM drives they're > extremely surprised are still working, and > which model(s)? Looking around after purging about 100 dead drives a few months ago.. CDC Wrens seem to be holding up OK,

Re: Intel 8085 - interview?

On 2/9/18 9:23 AM, Chuck Guzis via cctalk wrote: > Calmos (then later Tundra) Semiconductor actually documents them in > detail in their CA80C85 datasheet, but those were from the early 1980s. the info is still out there http://saxelec.com/doc/T8000.pdf

power cord end

anyone know of a power cord designation simlar to nema 13 but smaller its used on a roland R8 has round pins has a power brick between it and te ain power plug https://electricdenimstudios.com/wp-content/uploads/2016/04/Roland-R8-MKII-Vintage-Drum-Machine-Human-Rhythm-Composer-02.jpg

Re: Maxtor full-height 5.25" drives of death

On 2/9/2018 12:25 PM, Chuck Guzis via cctalk wrote: On 02/09/2018 05:20 AM, allison via cctalk wrote: At the other extreme I have over a dozen Quantum D540s (RD52 31mb full height) that are really old and getting older and still work without issues. Some of those have sat on the shelf for

Re: Maxtor full-height 5.25" drives of death

On 02/09/2018 05:20 AM, allison via cctalk wrote: > At the other extreme I have over a dozen Quantum D540s (RD52 31mb full > height) > that are really old and getting older and still work without issues.  > Some of those > have sat on the shelf for a decade and work fine when I need one. I've

Re: Intel 8085 - interview?

On 02/09/2018 05:22 AM, allison via cctalk wrote: > Also all of the competitors and second sources that made 8085s had the > added instructions.  The are indeed handy too. Calmos (then later Tundra) Semiconductor actually documents them in detail in their CA80C85 datasheet, but those were from

Re: Intel 8085 - interview?

On 02/08/2018 11:56 PM, Chuck Guzis via cctalk wrote: > On 02/08/2018 07:18 PM, Eric Smith via cctalk wrote: >> At some point I read an article or a transcript of an interview with an >> Intel employee (or former employee) who had been involved with the design >> of the 8085, describing how he had

Re: OpenVMS software repositories?

On Thu, Feb 08, 2018 at 03:30:17AM +, Zane Healy via cctalk wrote: On Feb 7, 2018, at 7:22 PM, Grant Taylor via cctalk wrote: I'd suggest that you redirect your question to the comp.os.vms newsgroup. I frequently see discussions there about software archives. In

RE: Maxtor full-height 5.25" drives of death

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of emanuel > stiebler via cctalk > Sent: 09 February 2018 08:16 > To: Ian ; General Discussion: On-Topic and Off-Topic > Posts > Subject: Re: Maxtor

Re: Maxtor full-height 5.25" drives of death

On 2018-02-08 21:05, Ian via cctalk wrote: > On Feb 8, 2018, at 11:03, Tom Gardner via cctalk > wrote: >> >> XT2190 was first produced in 3Q 1984 and last produced in 1989 which gives >> yours a remarkable life span and well beyond the them at most 5 year >> warranty. >>