[Coco] .dsk format

[John T Chasteen]

What does it take to get David Keil's Emulator?
I have Win98 and a 3.5 in. drive on the Win98 system.
I have coco3 and Drive wire2 w/cable (Cloudp9 products)
with a Cloud9 hard drive controller w/2 CF units.
I still don't know how to transfer files downloaded on the Internet
and get the files on my coco3. I will be traveling from Bradenton,
Florida(about 50 miles South Tampa) to attend the Fest.

So at 81 years old, I meed a lot of help and it will be greatly
appreciated

John C.
 
 
On Tue, 10 Mar 2009 13:36:48 -0400 mike delyea <mdelyea at gmail.com>
writes:

> You can do it if you have a 360k floppy drive on a windows 98 

> machine

> OR a 3.5" drive on the W98 machine and on the coco.  I use David

> Keil's emulator because it has virtual to real drive drivers.  From

> the documentation:

> 

> Depending on compatibility of your PC you should be able to 

> read/write

> single density & double density 5.25" and 3.5" disks in 360k and 

> 720k

> PC floppy drives (commonly known as low/double density drives, DD).

> You should be able to read/write double density 5.25" and 3.5" 

> disks

> in 1.2meg and 1.44meg PC floppy drives (commonly known as high 

> density

> drives, HD).

> 

> Eight fixed sector length REAL floppy specification virtual disks 

> are

> supplied to read/write 256 byte/sector floppies in a PC's A: and B:

> drives.

> 

> FDD0_360.DSK          Reads 35/40 track disks on a PC A: 360k (DD) 

> drive.

> FDD1_360.DSK         Reads 35/40 track disks on a PC B: 360k (DD) 

> drive

> FHD0_360.DSK         Reads 35/40 track disks on a PC A: 1.2meg (HD) 

> drive.

> (double steps head)

> FHD1_360.DSK         Reads 35/40 track disks on a PC B: 1.2meg (HD) 

> drive.

> (double steps head)

> FHD0_720.DSK         Reads 80 track disks on a PC A: 1.2meg (HD) 

> drive.

> FHD1_720.DSK         Reads 80 track disks on a PC B: 1.2meg (HD) 

> drive.

> F350_720.DSK         Reads 80 track 3.5" disks on a PC A: 1.44meg 

> (HD) drive.

> F351_720.DSK         Reads 80 track 3.5" disks on a PC B: 1.44meg 

> (HD) drive.

> 

> Eight variable sector length REAL floppy specification virtual 

> disks

> are supplied to read/write 128-1024 byte/sector floppies in a PC's 

> A:

> and B: drives. These specification disks are slower than the fixed

> length ones and should only be used on disks un-readable with the

> fixed length specification disks.

> 

> VDD0_360.DSK         Reads 35/40 track disks on a PC A: 360k (DD) 

> drive.

> VDD1_360.DSK         Reads 35/40 track disks on a PC B: 360k (DD) 

> drive

> VHD0_360.DSK         Reads 35/40 track disks on a PC A: 1.2meg (HD) 

> drive.

> (double steps head)

> VHD1_360.DSK         Reads 35/40 track disks on a PC B: 1.2meg (HD) 

> drive.

> (double steps head)

> VHD0_720.DSK         Reads 80 track disks on a PC A: 1.2meg (HD) 

> drive.

> VHD1_720.DSK         Reads 80 track disks on a PC B: 1.2meg (HD) 

> drive.

> V350_720.DSK         Reads 80 track 3.5" disks on a PC A: 1.44meg 

> (HD) drive.

> V351_720.DSK         Reads 80 track 3.5" disks on a PC B: 1.44meg 

> (HD) drive.

> 

> I can confirm that it is possible to write a 360k floppy disk (or 

> 180k

> for DECB) on a 5.25" 1.2mb disk drive.  I have successfully written

> both OS-9 and Nitros-9 .dsk images to floppy using this method, 

> also

> Donkey Kong and several other games.  I seem to recall that I had 

> to

> fiddle around in the BIOS with the 1.2mb drive's settings to make 

> it

> 720k (not really sure - its been a while) and I had to try a couple 

> of

> the above listed .dsk images to get it to work.  It took a bit of

> experimentation.  Also, I might have formatted the disk on the coco

> first.

> 

> You put the .dsk image that you want to copy in drive 0 and the

> virtual driver .dsk image in drive 1 and just backup 0 to 1.

> 

> If you can't get it to work let me know and I'll fire up old 98 and

> run through the procedure again to get the correct steps.

> 

> On Tue, Mar 10, 2009 at 1:04 PM, Tom Seagrove 

> <tjseagrove at writeme.com> wrote:

> > Am I right in assuming that with either coconet or drivewire I can 

> access a

> > vitual .dsk and do a disk copy to a real disk on my coco system?

> >

> > -----Original Message-----

> > From: coco-bounces at maltedmedia.com 

> [mailto:coco-bounces at maltedmedia.com] On

> > Behalf Of Roger Taylor

> > Sent: Tuesday, March 10, 2009 12:18 PM

> > To: CoCoList for Color Computer Enthusiasts

> > Subject: Re: [Coco] .dsk format

> >

> > At 09:10 AM 3/10/2009, you wrote:

> >>I do not know of a utility that runs on the coco end which will

> >>allow you to mount a .dsk image as a "real" disk.

> >

> > Are you sure he's not wanting to know about DriveWire or CoCoNet?

> >

> >

> >

> >

> >

> >

> >

> >

> >

> >

> >>Bill <cwgordon at carolina.rr.com> wrote: Pardon what may be a silly

> >>question, but can files saved in the .dsk format

> >>be downloaded and put back on their original condition using a 

> coco?

> >>

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