[Coco] OS9DSK programme for PC
Bob Devries
devries.bob at gmail.com
Mon Jan 9 23:20:52 EST 2006
Oops, that should read $B400 bytes, and $B500 bytes respectively.
--
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: "Bob Devries" <bdevries at gil.com.au>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Tuesday, January 10, 2006 2:19 PM
Subject: Re: [Coco] OS9DSK programme for PC
> For a disk with $5A tracks, $40 heads, and $40 sides, there should be $B4
> bytes in the allocation bitmap. LSN0 of the disk shows $B5. I believe that
> format is responsible for calculating this.
> Is this a bug?
>
> --
> 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: "Bob Devries" <bdevries at gil.com.au>
> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> Sent: Tuesday, January 10, 2006 2:11 PM
> Subject: Re: [Coco] OS9DSK programme for PC
>
>
>> BTW, have you noticed that the field in lsn0 of the VHD for dd_map has
>> one more than the actual value in it?
>>
>> I noticed this when accessing the VHD file using ded under OS9, and when
>> I accessed the file descriptor for the root director, ded told me I was
>> in the BAM sector, so either there is one too few sectors in the bit map,
>> or the dd_map value is wrong. Is this a problem in the format command?
>>
>> --
>> 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: "Robert Gault" <robert.gault at worldnet.att.net>
>> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
>> Sent: Tuesday, January 10, 2006 1:48 PM
>> Subject: Re: [Coco] OS9DSK programme for PC
>>
>>
>>> V102 should have been good enough but there is some problem. I just
>>> created a new .vhd image and ran format on it. It is set for the default
>>> $5A tracks, $40 heads, and $40 sectors per track. Wimgtool can't handle
>>> it even with an .os9 extension. I'll file a bug report with MESS.
>>>
>>> Bob Devries wrote:
>>>> oops, I see that V103 is the latest. Still, V102 Wimgtool does
>>>> recognise .os9 file extensions.
>>>>
>>>> --
>>>> Regards, Bob Devries, Dalby, Queensland, Australia
>>>
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>>
>>
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>
>
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