[Coco] SuperIDE and floppy disk

[Luis Antoniosi (CoCoDemus)]

That's de winner config:

slot1: sIDE
slot2: Orch90
slot3: S/Sc
slot4: FD-500

With this i didn't have any other conflict and I even played Interbank
incident with voice and sound! Great :D from the superIDE.




On Thu, May 9, 2013 at 11:36 PM, Mark Marlette <mmarlette at frontiernet.net>wrote:

> sIDE to slot one.
>
>
>
> ________________________________
>  From: Retro Canada <retrocanada76 at gmail.com>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Cc: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Thursday, May 9, 2013 8:30 PM
> Subject: Re: [Coco] SuperIDE and floppy disk
>
>
> removing the sc/c from slot1 seems to be fine now. manual says it must be
> inserted on slots 2-3 only. what could be used on slot1? rs232?
>
> Sent from my iPhone
>
> On 2013-05-09, at 7:28 PM, Darren A <mechacoco at gmail.com> wrote:
>
> > On Thu, May 9, 2013 at 4:27 PM, Gene Heskett wrote:
> >> On Thursday 09 May 2013 13:02:06 Luis Antoniosi (CoCoDemus) did opine:
> >>
> >>> well this is what is written on cloud-9 site:
> >>>
> >>> http://www.frontiernet.net/~mmarlette/Cloud-9/Hardware/MPI%20PAL.html
> >> Mark, can you explain the theory on this? $FF90 is a (write only?) GIME
> >> address.  Ahh read is going to return $FF because its write only, which
> is
> >> precisely the reason in Nitros9 that the DP=00, offset $90-9F is an
> image
> >> of what is in the GIME.
> >
> > An MPI without the CoCo3 mod will activate its data bus buffer outputs
> > when the CoCo reads from addresses between FF80 and FFBF.  The
> > modification eliminates that range of addresses from the "readable
> > hardware" space.  Apparently the buffers in the MPI output a '1' when
> > nothing is driving the input, and so you get 255 for a PEEK of the
> > write-only location. With the mod in place, the buffers remain
> > tri-stated (Z) and you get the usual stale data value of 126.
> >
> > Darren
> >
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