[Coco] Help - CoCo emulator disk image formats...???

Bob Devries devries.bob at gmail.com
Fri Jul 14 20:33:00 EDT 2006


MESS requires that the image have .OS9 extension if the disk is larger than 
the standard 35 track/1 side.

--
Regards, Bob Devries, Dalby, Queensland, Australia

Isaiah 50:4 The sovereign Lord has given me
the capacity to be his spokesman,
so that I know how to help the weary.

website: http://www.home.gil.com.au/~bdevasl
my blog: http://bdevries.invigorated.org/

----- Original Message ----- 
From: "Carey Eugene" <carey at cebridge.net>
To: <Coco at maltedmedia.com>
Sent: Saturday, July 15, 2006 6:40 AM
Subject: [Coco] Help - CoCo emulator disk image formats...???


> After shipping off my program collection to be disk imaged, I finally got 
> to work on my own personal collection.
>
> I have about 300 personal disks, but I'll probably only save half that.
>
> I then spent a full day trying to get my 5.25" drive working again...  Due 
> to a flaky drive cable, even the 3.5" wouldn't work for a while.  Finally 
> it dawned on me...  I had gotten it working, but because the drive sits 
> out of the case by an inch or so (it wont fit fully in the case), the room 
> light was interfering with the LED to detect the index hole.  So after 
> covering that up, the drive is now working again.  (I just thought I'd 
> throw that in, in case anybody else ever has this problem and wants to 
> throw the drive across the room.)
>
> I had previously tried OmniFlop 2.01i, but it couldn't read my os9 disks. 
> It said it was a new format.
>
> That was a bit odd.  As near as I remember, when I set up my OS9 disks to 
> use both sides, I just followed normal directions for setting double 
> sided. I don't quite remember what they were since that was many years 
> ago, but it wasn't anything unusual.
>
> Anyway, I reported it and I've just downloaded 2.01j and it detects the 
> format.  (the 2.01j isn't listed on the web page.  I just noticed it 
> because of the online reg page.)
>
> And I save it in .img or .dsk format, and the old dos based msdos<->OS9 
> transfer program can read the disk images.  At least it'll show the 
> directory contents.
>
> But the disk images don't work under the CoCo emulators.  Neither the old 
> Jeff V. emulator nor Mess seems to like the disk format.
>
> I played around with most of the disk formats that omniflop can do:  img, 
> dsk, chs, hcs, fea, etc.
>
> None of them work properly under mess.  A couple will show the 'DOS 
> BOOTING' notice, but that's all.  Nothing else happens.
>
> Soooo.... what disk image format am I supposed to use for emulators?
>
> I even thought that maybe my old OS9 boot disk that I used was patched or 
> configured in such a way that MESS didn't like it.  But trying two others 
> didn't help.
>
> I remember way back when I last messed with my OS9 stuff, there was a bit 
> of confusion then about how to handle double sided OS9 disks.  Looks like 
> it's biting me again.
>
>
>
>
>
> (I was a bit surprised that omniflop didn't recognize my os9 dsdd disks. 
> To my knoweldge, they are just standard dsdd 360k os9 disks.  But 
> apparently not, because omniflop couldn't recognise them.  They are 
> certainly different from the NitrOS9 disk format.  [shrug])
>
>
>
>
>
> -- 
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> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco 




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