[Coco] Reading/Writing Model I/III/4 Disks on a CoCo

[Luis Antoniosi (CoCoDemus)]

btw, my /D0 is set to 80 tracks and the floppy in questions was previously
formatted to 40.


On Thu, Sep 5, 2013 at 2:57 PM, Luis Antoniosi (CoCoDemus) <
retrocanada76 at gmail.com> wrote:

> Gene I tried this:
>
> OPEN #in,"image.dsk":READ
> OPEN #out,"/D0@":WRITE
> FOR t=34 TO 0 STEP -1
> FOR s=17 TO 0 STEP -1
> SEEK #in,(t*18)*256.
> GET #in,sector
> SEEK #out,(t*18)*256.
> PUT #out,sector
> NEXT s
> NEXT t
> CLOSE #in
> CLOSE #out
>
> It gives me error when T is higher than 34!
>
> Why does it copy backwards ? Because I want to write the LSN0 at last.
> Maybe the problem is the SEEK and not the GET/PUT. I didn't go further, I
> made an asm routine and solved my problem.
>
>
>
> On Thu, Sep 5, 2013 at 2:43 PM, Gene Heskett <gheskett at wdtv.com> wrote:
>
>> On Thursday 05 September 2013 14:41:47 Luis Antoniosi (CoCoDemus) did
>> opine:
>>
>> > B09 won't support double sided.
>>
>> Huh?  B09 only runs on os9.  And supports whatever the device descriptor
>> says.
>>
>> > Also write to LSN0 at the end. Skip the first sector from both image and
>> > floppy, write all sectors and then reopen both image and floppy and then
>> > write to LSN0.
>> >
>> > Don't use seek, just read and ignore as the seek seems to not work
>> > properly with non os-9 disks.
>> >
>> > I have made a rawcopy tool for that, is at home I can send it you. it is
>> > in asm so it supports double sided disks as well. I made a dragon32
>> > superdos disk using it.
>> >
>> > On Thu, Sep 5, 2013 at 10:24 AM, Al Hartman
>> <alhartman6 at optonline.net>wrote:
>> > > Did it work? Have you successfully written an image?
>> > >
>> > > - Al -
>> > >
>> > > -----Original Message----- From: Gene Heskett
>> > >
>> > > Sure there is, it took me about an hour to knock it out in B09. Write
>> > > LSN0, close the path, then reopen, and write the whole thing one
>> > > sector at a time.  The dbl write of lsn0 is to get rid of the disk
>> > > changed error.
>> > >
>> > > --
>> > > Coco mailing list
>> > > Coco at maltedmedia.com
>> > > http://five.pairlist.net/**mailman/listinfo/coco<http://five.pairlist
>> .
>> > > net/mailman/listinfo/coco>
>>
>>
>> Cheers, Gene
>> --
>> "There are four boxes to be used in defense of liberty:
>>  soap, ballot, jury, and ammo. Please use in that order."
>> -Ed Howdershelt (Author)
>> My web page: <http://gene.homelinux.net:6309/gene> should be up!
>>
>> I tried the clone syscall on me, but it didn't work.
>>                 -- Mike Neuffer trying to fix a serious time problem
>> A pen in the hand of this president is far more
>> dangerous than 200 million guns in the hands of
>>          law-abiding citizens.
>>
>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> http://five.pairlist.net/mailman/listinfo/coco
>>
>
>
>
> --
> Long live the CoCo
>



-- 
Long live the CoCo