Re: [VideoMagia] Reparando um Vectrex

2017-03-24 Thread Geoffrey Oltmans via cctalk
Not sure how it worked on the Vectrex, but I am familiar with Atari vector arcade games (used to own a Tempest and Asteroids machine). In them, they used a display controller that utilized a display list of coordinates, colors, etc and IIRC it even had the ability to do jumps, etc probably simi

Re: Intellivision reset switch

2017-04-03 Thread Geoffrey Oltmans via cctalk
On Mon, Apr 3, 2017 at 10:16 AM, Richard Sheppard via cctalk < cctalk@classiccmp.org> wrote: > > May depend on the model, but mine has a spring under the plastic reset > button in the top of the case and one of those metal domed tactile switches > on the PCB. > This matches my recollection of the

Re: Beautifully-posed photos of various kinds of retro kit

2017-05-03 Thread Geoffrey Oltmans via cctalk
Looks great! On Wed, May 3, 2017 at 6:52 AM, Liam Proven via cctalk < cctalk@classiccmp.org> wrote: > From the Apple ][ up to PowerMac G4s. So, possibly a bit new for many > of you folk, but I enjoyed them and thought others might too. > > http://podstawczynski.com/retro/beauty_shots.html > > --

Re: determing date on TI 99/4 computers.

2017-09-06 Thread Geoffrey Oltmans via cctalk
Depends on if you're talking about the 99/4 or 99/4A. The 99/4 was black and silver and had a chiclet style keyboard and is rare. The 4A had a black and silver finish first, and then later switched to beige I imagine in an effort to curb costs since they were being undercut pretty badly by Commodor

Re: determing date on TI 99/4 computers.

2017-09-06 Thread Geoffrey Oltmans via cctalk
On Wed, Sep 6, 2017 at 10:45 AM, Liam Proven via cctalk < cctalk@classiccmp.org> wrote: > On 6 September 2017 at 16:55, Geoffrey Oltmans via cctalk > wrote: > > > There's a pretty good article about TI's home computers that I've been > > trying to find

Re: Tips For Soldering a Surface Mount PLCC Socket

2017-09-11 Thread Geoffrey Oltmans via cctalk
The way a lady at my work did them was to crack out the bottom piece of the socket to give better access to the pins. She didn't typically put the bottom piece back in since we used the PLCC socket to plug into an emulator pod so there was no need for it (shoulder around the POD connector wouldn't

Re: RIP Jerry Pournelle - Firsts

2017-09-15 Thread Geoffrey Oltmans via cctalk
Wow... that really doesn't make him look good at all! On Tue, Sep 12, 2017 at 11:47 PM, Eric Smith via cctalk < cctalk@classiccmp.org> wrote: > On Mon, Sep 11, 2017 at 7:43 PM, Charles Dickman via cctalk < > cctalk@classiccmp.org> wrote: > > > On Mon, Sep 11, 2017 at 1:15 PM, Shoppa, Tim via cc

Re: RIP Jerry Pournelle - Firsts

2017-09-15 Thread Geoffrey Oltmans via cctalk
On Fri, Sep 15, 2017 at 12:50 PM, Jim Brain via cctalk < cctalk@classiccmp.org> wrote: > On 9/15/2017 10:49 AM, Geoffrey Oltmans via cctalk wrote: > >> Wow... that really doesn't make him look good at all! >> >> >>> It does not surprise me. Not that I

Re: formatting MFM drives on a IBM PC

2017-09-28 Thread Geoffrey Oltmans via cctalk
On Wed, Sep 27, 2017 at 11:16 AM, allison via cctalk wrote: > >> > IDE disks format usually meant high level only. SCSI could be either > depnding on the specific controller and media. > > Seems like the omission of low level formatting of IDE drives had more to do with preserving the servo trac

Reviving ancient MFM drives (was Re: formatting MFM drives on a IBM PC)

2017-09-28 Thread Geoffrey Oltmans via cctalk
On Thu, Sep 28, 2017 at 11:17 AM, Al Kossow via cctalk < cctalk@classiccmp.org> wrote: > > > On 9/28/17 7:38 AM, Mike Stein via cctalk wrote: > > > What is it that usually fails when the drive can't read the servo info? > The data on the platter, or? > > I've never dug that far into it beyond fidd

Re: formatting MFM drives on a IBM PC

2017-09-29 Thread Geoffrey Oltmans via cctalk
On Thu, Sep 28, 2017 at 7:36 PM, Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > > What I find perplexing is the acronym "SATA" for "Serial ATA". The name > would imply that a drive can be connected to a 5170, but I'm not aware > of any SATA adapters for the 5170 PC/AT. > I'm sure you'r

Re: Reviving ancient MFM drives (was Re: formatting MFM drives on a IBM PC)

2017-09-29 Thread Geoffrey Oltmans via cctalk
On Fri, Sep 29, 2017 at 3:05 AM, Christian Corti via cctalk < cctalk@classiccmp.org> wrote: > On Thu, 28 Sep 2017, Geoffrey Oltmans wrote: > >> Speaking of I've got a couple of old MFM drives (10 and 20 MB of a >> variety whose name and model #'s escape me, I wanna say Tandon, but not >> sure)

Re: The origin of SCSI [WAS:RE: The origin of the phrases ATA and IDE ]

2017-10-06 Thread Geoffrey Oltmans via cctalk
On Thu, Oct 5, 2017 at 1:50 PM, Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > > You could well be right--I do recall that there was "Mac SCSI" and then > the slightly different "Everyone else's SCSI". I ran into this when > talking with some SMS/OMTI engineers about an ST506-to-SCSI br

Re: Halt and Catch Fire (TV series)

2017-10-17 Thread Geoffrey Oltmans via cctalk
I felt like Cardiff also had a resemblance to Tandy/Radio Shack as well, since they were in the electronics business before getting into computers. On Sun, Oct 15, 2017 at 3:24 PM, tom sparks via cctalk < cctalk@classiccmp.org> wrote: > I have just finished watching [Halt and Catch Fire]( > https

Re: Visicalc Addendum

2017-10-18 Thread Geoffrey Oltmans via cctalk
On Wed, Oct 18, 2017 at 9:00 AM, Liam Proven via cctalk < cctalk@classiccmp.org> wrote: > On 18 October 2017 at 01:33, Fred Cisin via cctalk > wrote: > > "Entry in my journal: First complete VisiCalc in a package was October > 19, > > 1979. I received a copy the next day as I recall." > > > > htt

Re: Visicalc Addendum

2017-10-18 Thread Geoffrey Oltmans via cctalk
On Wed, Oct 18, 2017 at 11:51 AM, Fred Cisin via cctalk < cctalk@classiccmp.org> wrote: > ?? > VisiCalc was written and developed in Massachusetts. 3 thousand miles > from Silicon Valley. > > Right. That was sarcasm on my part, since we have been repeatedly told by armchair historians that w

Re: Visicalc Addendum

2017-10-18 Thread Geoffrey Oltmans via cctalk
On Wed, Oct 18, 2017 at 1:09 PM, Bill Gunshannon via cctalk < cctalk@classiccmp.org> wrote: > Is that like the notion that we have Stallman to thank for Open Source > software? > > > Exactly.

Re: cctalk Digest, Vol 61, Issue 27

2019-10-30 Thread Geoffrey Oltmans via cctalk
> -- Forwarded message -- > From: "Ethan O'Toole" > To: Murray McCullough , "General > Discussion: On-Topic and Off-Topic Posts" > Cc: > Bcc: > Date: Mon, 28 Oct 2019 11:11:49 -0400 (EDT) > Subject: Re: Coleco & Atari > > old? 1983. Coleco ADAM, my favourite, and Atari 600XL, not

Re: Keyboard "enthusiasts"

2018-01-23 Thread Geoffrey Oltmans via cctalk
On Tue, Jan 23, 2018 at 12:58 PM, william degnan via cctalk < cctalk@classiccmp.org> wrote: > Did anyone attend VCF South East this past year, there was a large table > run by a keyboard vendor. Just keyboards, laid out like tusks from poached > elephants. > Lol! I love it.

Re: Keyboard "enthusiasts"

2018-01-23 Thread Geoffrey Oltmans via cctalk
On Tue, Jan 23, 2018 at 11:35 AM, Guy Sotomayor via cctalk < cctalk@classiccmp.org> wrote: > …are the bane of my existence and should all rot in hell. > > Sorry, I just received an email from a “keyboard enthusiast” who was > looking for > various IBM 327x keyboards and wanted to know if I could h

Re: Re: Keyboard "enthusiasts"

2018-01-24 Thread Geoffrey Oltmans via cctalk
On Wed, Jan 24, 2018 at 2:31 AM, Ed Sharpe via cctalk wrote: > ah do they don't just collect just loose keyboards they 'snatch' > keyboards leaving the rest of the carcus to of the terminal to rot?? > > > > I suspect that the problem may be two-sided. Could be there are a fair number of

Re: An NTSC Atari looks good on a PAL TV. How come?

2018-03-07 Thread Geoffrey Oltmans via cctalk
On Wed, Mar 7, 2018 at 2:06 AM, Terry Stewart via cctalk < cctalk@classiccmp.org> wrote: > Hi, > > The PAL vrs NTSC TV standard complicated things when collecting home > computers from other countries. > > In New Zealand we are on PAL. PAL Atari 800s are rarer in the world that > NTSC ones. That

Re: Digitising collections of microfiche - Re: Looking for opinions...

2018-03-28 Thread Geoffrey Oltmans via cctalk
On Wed, Mar 28, 2018 at 1:39 PM, Toby Thain via cctalk < cctalk@classiccmp.org> wrote: > On 2018-03-28 1:51 PM, Ethan Dicks via cctalk wrote: > > On Wed, Mar 28, 2018 at 12:59 PM, Al Kossow via cctalk > > wrote: > >> The rock has been lifted (again) > >> > >> DOES ANYONE READ OLD POSTS HERE??

TRS-80 Fragmentation

2018-04-26 Thread Geoffrey Oltmans via cctalk
It is obvious that the TRS-80 line of computers suffered severe fragmentation with differing architectures: TRS-80 Model I, III, and 4(P) are all obviously of a mostly compatible architecture. TRS-80 Model II and 16, 68k based "business" machines TRS-80 CoCo I, II, III (Dragon) TRS-80 PC-x, variou

Re: Rick Dickinson, ZX Spectrum designer, RIP

2018-04-26 Thread Geoffrey Oltmans via cctalk
On Thu, Apr 26, 2018 at 4:15 PM, Liam Proven via cctalk < cctalk@classiccmp.org> wrote: > On Thu, 26 Apr 2018 at 23:04, Fred Cisin via cctalk > > wrote: > > I'd go for a bike over a car any day. Well, when I was young, anyway. Now, > I'm getting kinda stiff and creaky... Because of all the bike c

Re: TRS-80 Fragmentation

2018-04-26 Thread Geoffrey Oltmans via cctalk
On Thu, Apr 26, 2018 at 7:18 PM, Fred Cisin via cctalk < cctalk@classiccmp.org> wrote: > > D'ya mean like an automobile company making more than one model? Surely > there is no need for Toyota to make both a Corolla AND a Camry! > > Hmm... not really sure about that comparison. After all, it's no

Re: TRS-80 Fragmentation

2018-04-27 Thread Geoffrey Oltmans via cctalk
On Fri, Apr 27, 2018 at 8:06 AM, geneb via cctalk wrote: > On Thu, 26 Apr 2018, Fred Cisin via cctalk wrote: > > Then they upgraded the model 1 to reduce the cords and cables, and made >> the Model 3. I don't know whether the resemblance to the Northstar >> Dimension was deliberate. >> >> > I th

Re: TRS-80 Fragmentation

2018-04-27 Thread Geoffrey Oltmans via cctalk
On Thu, Apr 26, 2018 at 10:53 PM, Carlos E Murillo-Sanchez via cctalk < cctalk@classiccmp.org> wrote: > I see that the actual fragmentation is about how each and everyone got in > touch with computers, personal or mainframe or whatever! Me, I was in > junior high and usually understood everything

Re: Identifying bad RAM on Amiga 1000 WCS board

2018-04-30 Thread Geoffrey Oltmans via cctalk
On Sat, Apr 28, 2018 at 6:34 PM, Ethan Dicks via cctalk < cctalk@classiccmp.org> wrote: > Hi, All, > > I've been doing component-level diagnosis of a bad Amiga 1000 WCS > board and since I was unable to find this information anywhere, I > thought I'd post it to the list so that it's in the hands o

Re: Last of the TRS-80's

2018-05-01 Thread Geoffrey Oltmans via cctalk
On Tue, May 1, 2018 at 6:11 AM, Peter Cetinski via cctalk < cctalk@classiccmp.org> wrote: > > > I am trying to ascertain what the last computer released by Tandy/Radio > Shack was that had the TRS-80 name on it > > > > I think it was the CoCo 3 in 1986 > > > > Kevin Parker > > The CoCo 3 was Tandy

Re: how good is the data reliability with CD ROM and DVD RAM?

2018-07-23 Thread Geoffrey Oltmans via cctalk
On Sun, Jul 22, 2018 at 7:13 PM, Charles Dickman via cctalk < cctalk@classiccmp.org> wrote: > Below is a sampling of disks recorded between 2001 and 2009. It is > likely that the disks of the same type were from the same package > because I don't use many disks. They were stored without much care,

Re: how good is the data reliability with CD ROM and DVD RAM?

2018-07-23 Thread Geoffrey Oltmans via cctalk
On Mon, Jul 23, 2018 at 12:54 PM, Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > > IMIHO, a grievous error by making things too physically small. The > standard SD card is easy enough to pick out in a deep-pile carpet. Not > so, the usual black-colored MicriSD. The dog might well eat

RE: Desktop Metaphor

2018-10-23 Thread Geoffrey Oltmans via cctalk
I’ll throw in my two cents to say that I’ve used a fair number of GUIs over the years both commercially available and FOSS, and I’d say that Windows 95’s UI blew the doors off of anything I’d used up that point in terms of usability. Nobody IMO can fairly compare it with the previously available

Re: Astounding Asking Price

2018-10-24 Thread Geoffrey Oltmans via cctalk
On Wed, Oct 24, 2018 at 10:53 AM Rob Jarratt via cctalk < cctalk@classiccmp.org> wrote: > My jaw dropped when I saw this: > https://www.ebay.co.uk/itm/223201002247?ul_noapp=true > > > > It looks nice externally, and it has the pedestal, which is nice, but the > seller has not even give the spec or