[Coco] CoCoSDC and SuperIDE together was SDC Troubles

[rietveld rietveld]

I have my floppy in slot 4
SuperIDE in slot 3
and sdc in slot1

boot up the coco in slot 3 with the superIDE

now type DRIVE OFF 0
                  POKE 65407,0
now DIR 0,  you will see the contents of the SDCX on the root of the SDC SD card
but you can still DIR 1-255 of the SuperIDE

Basically the coco is runnung HDB-DOS from the SuperIDE.  When you do a DRIVE OFF 0 HDB-DOS tells the superIDE that you are going to use the physical drive 0, but because you POKED slot 0 (SDC) of the MPI you are tricking HDB-DOS into thinking that the SDC is physical drive 0.  So you can BACKUP XXX to 0 where xxx is a any drive on the IDE(1-255) and 0 is the root of the SDC





________________________________
From: Coco <coco-bounces at maltedmedia.com> on behalf of Alex Evans <varmfskii at gmail.com>
Sent: April 19, 2020 8:10 PM
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Subject: [Coco] CoCoSDC and SuperIDE together was SDC Troubles

On Sun, Apr 19, 2020 at 8:02 PM rietveld rietveld <rietveldh at hotmail.com> wrote:
>
> ??
>
> Very realistic. I use this setup all the time
So, how do you set it up?
Do you use a ROM from the SDC or SuperIDE?
Which ROM do you use?
Which one is in slot4?
How do you independently select the active drive image on each?

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