[Coco] Drive issue

[Arthur Flexser]

Well, I suppose you could do it in two steps.  As far as your drive is
concerned, the data is all there, just on the "wrong" tracks.  That is, the
drive finds track 0 on track 0, but track 1 data is on track 2, track 2
data is on track 4, etc.

Knowing that, you could write a Basic or ML program to transfer the data,
sector by sector, to another disk, or (preferably) to a Ramdisk, and
then copy the files from there to your CoCoSDC.


Art

On Sat, Mar 14, 2015 at 7:39 AM, Daniel Campos <daniel.campus at gmail.com>
wrote:

> ADOS are of no avail to me. I need a solution that works on the SDC-DOS,
> because I need to dump them into the CoCoSDC.
> I think I will need to use my bulky CP-450 to read them. My MPI doesn't
> liked much the CP-450 last time when I plugged the two together. But that
> is another problem...
>
> Daniel
>
> On 13/03/2015 23:43, Arthur Flexser wrote:
>
>> Extended ADOS-3 has a command for double-stepping for this purpose.  You'd
>> have to burn an ADOS-3/Extended ADOS-3 EPROM to access this feature,
>> though.
>>
>> Art
>>
>> On Fri, Mar 13, 2015 at 10:18 PM, Al Hartman <alhartman6 at optonline.net>
>> wrote:
>>
>>  You will need to be able to double step the drives to read a 48tpi disk
>>> in
>>> a 96tpi drive.
>>>
>>> I don't think you can do that under RS-DOS. I don't know about
>>> OS-9/NitrOS-9.
>>>
>>> -[ Al ]-
>>>
>>> -----Original Message----- From: Daniel Campos
>>>
>>> Seeking counsel with the disk drive masters here. :-)
>>>
>>> I'm trying to dump some very very old disks that I grabed with a friend
>>> to my CoCoSDC, but I think I have a problem in my hands...
>>> I have a double drive unit that has two TEAC FD-55FV-13-U drives. These
>>> appear to be 720Kb drives (the fabled DSQD drives). I can DSKINI
>>> perfectly and SAVE and LOAD any DD disks on them BUT I can not read any
>>> disk originally created on a 180Kb drive.
>>> There is any way I can make these drives read correctly the disks
>>> created on an original CoCo drive ?
>>>
>>> Thanks!
>>> Daniel
>>>
>>> --
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>>>
>>>
>
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