[Coco] Consensus on using two floppy disk controller at the same time?

[Brett Gordon]

fwiw, YADOS supports multiple fdc's.  Each device type can have its own MPI
slot setting.

https://www.sites.google.com/site/cocoboot2/ya-dos

cheers,

brett
On Mar 19, 2017 4:38 PM, "Bill Gunshannon" <bill.gunshannon at hotmail.com>
wrote:

>
> ________________________________________
> From: Coco [coco-bounces at maltedmedia.com] on behalf of David Ladd [
> davidwladd at gmail.com]
> Sent: Sunday, March 19, 2017 2:15 PM
> To: CoCoList for Color Computer Enthusiasts
> Subject: Re: [Coco] Consensus on using two floppy disk controller at the
> same time?
>
> Tim,
>
> Using two floppy controllers would be the same as using the CoCoSDC & a
> FDC.  You would probably have to write your own routines to switch the MPI
> slot for the I/O lines.  Not sure how Disk Basic would handle.
>
> As far as NitrOS-9 goes that is something I think might need to be updated
> with the disk driver and maybe have a value some place in the descriptor to
> specify which MPI slot the drive is connected through.
>
> Personally, I think this is something that should have been done many years
> ago.  It would have been nice to be able to use multiple controllers for
> use with multiple drives.
>
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> | Do you have your CoCo 3 yet?                                          |
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>
>
> On Sun, Mar 19, 2017 at 11:29 AM, tim lindner <tlindner at macmess.org>
> wrote:
>
> > Of couse this requires a Multi-Pak, but it also depends on how the
> > cartridges put the NMI* and RESET* lines when not active.
> >
> > Are these lines generally left floating or pulled high?
> >
> >
> ______________________________________________
>
> Now this is something I find interesting.  Could one set the SDC for the
> Dragon addressing
> and then use both the SDC and a standard COCO with real disks on it?
> Assuming one made
> custom drivers for NitrOS9 for the SDC.  Hmmm...  What about a custom
> version of HDB-DOS
> that was aware of both?  So many ideas, so little time.
>
> At least I am making headway with my floppy project.
>
> bill
>
>
>
>
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