Re: Rainbow Disk Imager

2017-09-15 Thread Warner Losh via cctalk
On Fri, Sep 15, 2017 at 1:47 AM, Christian Corti via cctalk < cctalk@classiccmp.org> wrote: > On Thu, 14 Sep 2017, Warner Losh wrote: > >> On Thu, Sep 14, 2017 at 4:05 PM, Fred Cisin wrote: >> >>> On the IBM PC/AT (5170) with 1.2M, admittedly the only one that is easily >>>

Re: Rainbow Disk Imager

2017-09-15 Thread Harry via cctalk
On 14/09/2017 17:02, Rod Smallwood via cctalk wrote: Hi I have a bunch of .dsk RT11 400k image files I need to write to RX50 disks so I can boot from them on my 11/73 Somewhere there is a utility that will write the images to RX50 on a DEC Rainbow 100 under MS-DOS . Anybody know where

Re: Rainbow Disk Imager

2017-09-15 Thread Christian Corti via cctalk
On Thu, 14 Sep 2017, Warner Losh wrote: On Thu, Sep 14, 2017 at 4:05 PM, Fred Cisin wrote: On the IBM PC/AT (5170) with 1.2M, admittedly the only one that is easily readily available, there is trivial software tweaking required to format/write "720K"/"quad" density, instead

Re: Rainbow Disk Imager

2017-09-15 Thread CuriousMarc via cctalk
What Chuck says. +1 on ImageDisk. I also tried OmniDisk which allows you to do just about anything with the formats, including a lot of wrong things. I found it much more difficult to use, but it taught me quite a few things. I made 3 videos on YouTube about it, mostly to remember what I did,

Re: Rainbow Disk Imager

2017-09-14 Thread Chuck Guzis via cctalk
Good grief! All this discussion--about what amounts to a straightforward task. Get a PC with a 1.2M 5.25" drive and some DD floppies. Make sure it boots to MS-DOS, not Windows. Grab a copy of Dave Dunfield's ImageDisk. (on the classiccmp server, if memory serves). Use it read and make images

Re: Rainbow Disk Imager

2017-09-14 Thread Warner Losh via cctalk
On Thu, Sep 14, 2017 at 6:51 PM, Eric Christopherson via cctalk < cctalk@classiccmp.org> wrote: > On Thu, Sep 14, 2017, Paul Koning via cctalk wrote: > > > > > On Sep 14, 2017, at 4:39 PM, Warner Losh wrote: > > > > > > ... > > > I don't see where you read the first 2 tracks

Re: Rainbow Disk Imager

2017-09-14 Thread Eric Christopherson via cctalk
On Thu, Sep 14, 2017, Paul Koning via cctalk wrote: > > > On Sep 14, 2017, at 4:39 PM, Warner Losh wrote: > > > > ... > > I don't see where you read the first 2 tracks uninterlaced, and the other > > tracks interlaced? For DOS formatted disks, that's what's required. While >

Re: Rainbow Disk Imager

2017-09-14 Thread Fred Cisin via cctalk
On Thu, 14 Sep 2017, jim stephens via cctalk wrote: have none of the systems Fred posted, or much interest in getting them, so Here are the ones that I supported in XenoCopy (NO LONGER AVAILABLE): http://www.xenosoft.com/fmts.html#720K A PC/AT with 1.2M is the most readily available

Re: Rainbow Disk Imager

2017-09-14 Thread Warner Losh via cctalk
On Thu, Sep 14, 2017 at 5:15 PM, jim stephens via cctalk < cctalk@classiccmp.org> wrote: > > > On 9/14/2017 3:51 PM, Warner Losh via cctalk wrote: > >> As you might tell from this thread, floppies, reading >> them, and their formatting stir way too much passion in me (for which if >> it >> was

Re: Rainbow Disk Imager

2017-09-14 Thread Fred Cisin via cctalk
On Thu, 14 Sep 2017, Warner Losh wrote: Yea. It depends on the controller. WDC765 (or was that a clone of the NEC uP765) I'm not sure if their legal people would like it being called a "clone", but it was definitely designed to be just like the NEC 765, instead of like WD's 179x and the

Re: Rainbow Disk Imager

2017-09-14 Thread jim stephens via cctalk
On 9/14/2017 3:51 PM, Warner Losh via cctalk wrote: As you might tell from this thread, floppies, reading them, and their formatting stir way too much passion in me (for which if it was too much I apologize) Warner Really fantastic timing for what a friend and I are doing.  On the topic

Re: Rainbow Disk Imager

2017-09-14 Thread Fred Cisin via cctalk
I have a bunch of .dsk RT11 400k image files I need to write to RX50 disks so I can boot from them on my 11/73 such as: PBM 1000 Tandy 2000 . . . IBM PC/JX On Thu, 14 Sep 2017, Warner Losh wrote: Right. I didn't see the Atari on the list, which was the only one, prior to this thread,

Re: Rainbow Disk Imager

2017-09-14 Thread Chuck Guzis via cctalk
On 09/14/2017 03:27 PM, Fred Cisin via cctalk wrote: > > I have run into quite a few badly maintained drives. The innermost > (higher numbered) tracks are the most sensitive to problems. This. And you can hook a "native" 96 tpi DD drive to a PC and use Dave Dunfield's IMD to do the copying.

Re: Rainbow Disk Imager

2017-09-14 Thread Warner Losh via cctalk
On Thu, Sep 14, 2017 at 4:27 PM, Fred Cisin via cctalk < cctalk@classiccmp.org> wrote: > On Thu, 14 Sep 2017, Warner Losh via cctalk wrote: > >> And then there's Venix disks, which have both an interlace, as well as a >> skew from track to track (as well as doing one side in ascending track >>

Re: Rainbow Disk Imager

2017-09-14 Thread Warner Losh via cctalk
On Thu, Sep 14, 2017 at 4:05 PM, Fred Cisin wrote: > I have a bunch of .dsk RT11 400k image files I need to write to RX50 disks so I can boot from them on my 11/73 >>> such as: >>> PBM 1000 >>> Tandy 2000 >>> Eagle II >>> Toshiba T300 >>> Altos >>> Canon AS100

Re: Rainbow Disk Imager

2017-09-14 Thread Fred Cisin via cctalk
On Thu, 14 Sep 2017, Warner Losh via cctalk wrote: And then there's Venix disks, which have both an interlace, as well as a skew from track to track (as well as doing one side in ascending track order followed by the other side in descending track order), but I digress... The software that you

Re: Rainbow Disk Imager

2017-09-14 Thread Fred Cisin via cctalk
I have a bunch of .dsk RT11 400k image files I need to write to RX50 disks so I can boot from them on my 11/73 such as: PBM 1000 Tandy 2000 Eagle II Toshiba T300 Altos Canon AS100 IBM PC/JX Seiko 8610 Televideo TS1603 or IBM PC/AT (5170) with 1.2M On Thu, 14 Sep 2017, Warner Losh wrote:

Re: Rainbow Disk Imager

2017-09-14 Thread Warner Losh via cctalk
On Thu, Sep 14, 2017 at 2:50 PM, Paul Koning wrote: > > On Sep 14, 2017, at 4:47 PM, Warner Losh wrote: > > > > On Thu, Sep 14, 2017 at 2:44 PM, Paul Koning > wrote: > >> >> > On Sep 14, 2017, at 4:39 PM, Warner Losh

Re: Rainbow Disk Imager

2017-09-14 Thread Paul Koning via cctalk
> On Sep 14, 2017, at 4:47 PM, Warner Losh wrote: > > > > On Thu, Sep 14, 2017 at 2:44 PM, Paul Koning > wrote: > > > On Sep 14, 2017, at 4:39 PM, Warner Losh > > wrote: > >

Re: Rainbow Disk Imager

2017-09-14 Thread Warner Losh via cctalk
On Thu, Sep 14, 2017 at 2:47 PM, Warner Losh wrote: > > > On Thu, Sep 14, 2017 at 2:44 PM, Paul Koning > wrote: > >> >> > On Sep 14, 2017, at 4:39 PM, Warner Losh wrote: >> > >> > ... >> > I don't see where you read the first 2 tracks

Re: Rainbow Disk Imager

2017-09-14 Thread Warner Losh via cctalk
On Thu, Sep 14, 2017 at 2:44 PM, Paul Koning wrote: > > > On Sep 14, 2017, at 4:39 PM, Warner Losh wrote: > > > > ... > > I don't see where you read the first 2 tracks uninterlaced, and the > other tracks interlaced? For DOS formatted disks, that's

Re: Rainbow Disk Imager

2017-09-14 Thread Paul Koning via cctalk
> On Sep 14, 2017, at 4:39 PM, Warner Losh wrote: > > ... > I don't see where you read the first 2 tracks uninterlaced, and the other > tracks interlaced? For DOS formatted disks, that's what's required. While > screwing up the first two tracks won't affect your ability to

Re: Rainbow Disk Imager

2017-09-14 Thread Warner Losh via cctalk
On Thu, Sep 14, 2017 at 11:57 AM, Rod Smallwood via cctalk < cctalk@classiccmp.org> wrote: > > > On 14/09/2017 18:37, Rod Smallwood via cctalk wrote: > >> >> >> On 14/09/2017 17:55, Paul Koning via cctalk wrote: >> >>> On Sep 14, 2017, at 12:41 PM, Paul Koning via cctalk <

Re: Rainbow Disk Imager

2017-09-14 Thread Warner Losh via cctalk
On Thu, Sep 14, 2017 at 10:55 AM, Paul Koning via cctalk < cctalk@classiccmp.org> wrote: > > > On Sep 14, 2017, at 12:41 PM, Paul Koning via cctalk < > cctalk@classiccmp.org> wrote: > > > > > >> On Sep 14, 2017, at 12:27 PM, jim stephens via cctalk < > cctalk@classiccmp.org> wrote: > >> > >> > >>

Re: Rainbow Disk Imager

2017-09-14 Thread Warner Losh via cctalk
On Thu, Sep 14, 2017 at 10:19 AM, Fred Cisin via cctalk < cctalk@classiccmp.org> wrote: > On Thu, 14 Sep 2017, Rod Smallwood via cctalk wrote: > >> I have a bunch of .dsk RT11 400k image files I need to write to >> RX50 disks so I can boot from them on my 11/73 >> Somewhere there is a

Re: Rainbow Disk Imager

2017-09-14 Thread Warner Losh via cctalk
On Thu, Sep 14, 2017 at 10:02 AM, Rod Smallwood via cctalk < cctalk@classiccmp.org> wrote: > Hi > > I have a bunch of .dsk RT11 400k image files I need to write to RX50 > disks so I can boot from them on my 11/73 > > Somewhere there is a utility that will write the images to RX50 on a DEC >

RE: Rainbow Disk Imager

2017-09-14 Thread Rob Jarratt via cctalk
> There's no Linux systems, no C compilers, emulators or weird hardware > available. > > But I do have a Rainbow which is the console to the 11/73 > And the Rainbow isn't "weird hardware"? :-)

Re: Rainbow Disk Imager

2017-09-14 Thread Fritz Chwolka via cctalk
maybe here ? http://oldcomputers.dyndns.org/public/pub/mirror/os2site/sw/dec/rainbow/floppy/ Am 14.09.2017 um 18:02 schrieb Rod Smallwood via cctalk: > Hi > >I have a bunch of .dsk RT11 400k image files I need to write to > RX50 disks so I can boot from them on my 11/73 > > Somewhere

Re: Rainbow Disk Imager

2017-09-14 Thread Rod Smallwood via cctalk
On 14/09/2017 18:37, Rod Smallwood via cctalk wrote: On 14/09/2017 17:55, Paul Koning via cctalk wrote: On Sep 14, 2017, at 12:41 PM, Paul Koning via cctalk wrote: On Sep 14, 2017, at 12:27 PM, jim stephens via cctalk wrote: On

Re: Rainbow Disk Imager

2017-09-14 Thread Paul Koning via cctalk
> On Sep 14, 2017, at 1:37 PM, Rod Smallwood via cctalk > wrote: > > ... > Sounds good. > But I have to work with what I have: > > An 11/73 with: > ... > There's no Linux systems, no C compilers, emulators or weird hardware > available. Understood. I was commenting

Re: Rainbow Disk Imager

2017-09-14 Thread Rod Smallwood via cctalk
On 14/09/2017 17:55, Paul Koning via cctalk wrote: On Sep 14, 2017, at 12:41 PM, Paul Koning via cctalk wrote: On Sep 14, 2017, at 12:27 PM, jim stephens via cctalk wrote: On 9/14/2017 9:19 AM, Fred Cisin via cctalk wrote: You have some

Re: Rainbow Disk Imager

2017-09-14 Thread Paul Koning via cctalk
> On Sep 14, 2017, at 12:41 PM, Paul Koning via cctalk > wrote: > > >> On Sep 14, 2017, at 12:27 PM, jim stephens via cctalk >> wrote: >> >> >> >> On 9/14/2017 9:19 AM, Fred Cisin via cctalk wrote: >>> You have some .dsk images of SSDD 96tpi

Re: Rainbow Disk Imager

2017-09-14 Thread Paul Koning via cctalk
> On Sep 14, 2017, at 12:27 PM, jim stephens via cctalk > wrote: > > > > On 9/14/2017 9:19 AM, Fred Cisin via cctalk wrote: >> You have some .dsk images of SSDD 96tpi for 11/73. > I have some also, and would love if there is a writeup of a known working > procedure to

RE: Rainbow Disk Imager

2017-09-14 Thread Bill Gunshannon via cctalk
From: cctalk [cctalk-boun...@classiccmp.org] on behalf of Rod Smallwood via cctalk [cctalk@classiccmp.org] Sent: Thursday, September 14, 2017 12:02 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: Rainbow Disk Imager Hi I have a

Re: Rainbow Disk Imager

2017-09-14 Thread jim stephens via cctalk
On 9/14/2017 9:19 AM, Fred Cisin via cctalk wrote: You have some .dsk images of SSDD 96tpi for 11/73. I have some also, and would love if there is a writeup of a known working procedure to use as a reference. Having a list of programs and systems is great, but I'd also like to know a few

Re: Rainbow Disk Imager

2017-09-14 Thread Rod Smallwood via cctalk
Because I don't have any of those. I'm nearly all DEC here Rod On 14/09/2017 17:19, Fred Cisin via cctalk wrote: On Thu, 14 Sep 2017, Rod Smallwood via cctalk wrote:   I have a bunch of .dsk RT11 400k image files I need to write to RX50 disks so I can boot from them on my 11/73

Re: Rainbow Disk Imager

2017-09-14 Thread Fred Cisin via cctalk
On Thu, 14 Sep 2017, Rod Smallwood via cctalk wrote:   I have a bunch of .dsk RT11 400k image files I need to write to RX50 disks so I can boot from them on my 11/73 Somewhere there is a utility that will write the images to RX50 on a DEC Rainbow 100 under MS-DOS . Anybody know where to