[Coco] Issues with 26-3022 interface

[Luis Antoniosi (CoCoDemus)]

try this:

0 CLEAR 1000
10 FOR T = 0 TO 35
20 FOR S = 1 TO 18
30 DSKI$ 0,T,S,A$,B$
40 DSKO$ 0,T,S,A$,B$
50 NEXT S
60 NEXT T

This will read every rsdos sector and rewrite it back.

Try saving some basic program on it.



On Tue, Feb 12, 2013 at 9:50 AM, Daniel Campos <daniel.campus at gmail.com>wrote:

> Mark,
>
> Em 12/02/2013 11:56, Mark Marlette escreveu:
>
>> Daniel,
>>
>> This HD mod was created by Robert Brose of our computer club many years
>> ago.
>>
>> I have done this mod, it works. I also added a line from the controller
>> to the drive to automatically switch the transfer rate clock based upon the
>> sensors in the drive rather than just the descriptor.
>>
>> With that said...this is NO easy mod. Almost easier making a new
>> controller.
>>
>
> Yes, for what I saw from the document that Harry sent, it will be no easy
> task.
>
>
>> It requires a the MB8877A(??) memory loss ATM upgrade and then there was
>> also a speed issue running at 1.78MHZ as well. A chip that needed
>> replacing. Was pinged this past weekend on this at Cloud-9 and haven't had
>> the chance to look up my work in my project documentation book. I have it.
>>
>> The file was up on RTSI for a long time. ????
>>
>> Regards,
>>
>> Mark
>> http://www.cloud9tech.com
>>
>>
>>
>>
> Ou of curiosity, I just attached today a 3 1/2 1.44M drive to the Coco and
> it worked flawlessly! It formated the disk (a HD disk with the role closed
> to make the drive understand it as 720Kb disk) and SAVEd and LOADed some
> programs. No errors ocurred during the format process!
> How can I check the disk to see if it was formated properly ?
>
> This drive is a Mitsumi D359M3D and was already configured to DS0, because
> I used it before with one of my MSX machines.
>
> Thanks!
>
> Daniel
>
>
>
>
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>



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