[Coco] Multipak and Drivewire

Michael Brant brant.michael.l at gmail.com
Thu May 14 18:41:38 EDT 2015


Barry thanks for the info. I will try that.

On Thu, May 14, 2015 at 6:39 PM, Barry Nelson <
barry.nelson at amobiledevice.com> wrote:

> I have a similar setup. One thing I did to make access to the Drivewire
> disks more convenient was copy HDBDOS into EPROM bank 2 in the CoCoSDC.
> Access to drives from SDC-DOS only allows you to map 4 drives at one time,
> where as HDBDOS allows access to up to 256 drives at once. To map a single
> DW disk (an size) to drive 0-3 on the CoCo you can do this:
>
> DRIVE <physical drive number>,#<Drivewire disk #number>,<Drivewire disk
> sub number>
>
> Only one Drivewire floppy image in an HDBDOS HD is mapped to one floppy
> drive number in SDC-DOS.
>
> Quote:
> http://cocosdc.blogspot.com/p/in-order-to-use-disk-image-located-on.html
>
> Using DriveWire Images
> To access disk images on the DriveWire server, you use the DRIVE command
> as explained above but instead of a string argument identifying an image
> file on the SD card, you provide a DriveWire virtual drive number (prefixed
> with #) in the range of 0 to 63:
>
>    DRIVE 2,#0
>
> If you have a virtual 'hard disk' image containing an array of up to 256
> floppy images, you can specify the index of the desired floppy image as a
> third argument to the DRIVE command:
>
>    DRIVE 2,#0,125
>
> End quote
>
> The other option is to use SDC-DOS to setup the mapping to physical
> floppies or SDC images, and then run HDBDOS with that mapping setup to
> access Drivewire disks.
>
> I am working on software that will run from Disk Extended BASIC under
> HDBDOS that will allow you to remap the SDC drives, but so far I only have
> this capability under OS-9 using programs called sdrive and sdir that I
> compiled from example code and patched to work properly with a Multi-Pak.
>
> On May 14, 2015, at 5:11 PM, coco-request at maltedmedia.com wrote:
>
> > Date: Thu, 14 May 2015 16:13:50 -0400
> > From: Michael Brant <brant.michael.l at gmail.com>
> > To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> > Subject: [Coco] Multipak and Drivewire
> > Message-ID:
> >       <
> CAGJGKwh205c3vaH1zHc-RcywPUDq6utZbM0ZrJfm+FpWOJzDew at mail.gmail.com>
> > Content-Type: text/plain; charset=UTF-8
> >
> > I have an MPI, I also have a CoCoSDC, along with two FD502s (one stock
> and
> > one with HDB-DOS.)
> > Both the SDC-DOS and HDB-DOS allow me to use Drivewire (which I connect
> to
> > DW3 on my Mac Pro.)
> > The question is this how (if possible) does the system assign disk
> numbers
> > and drive numbers?
> >
> > So far I have used the drive function but when doing so, I it seems to
> > cutoff access to the DW and only access physical disks.
> >
> > I am fairly new to DW and MPI usage, my old CoCo days did not have an
> MPI.
>
>
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