[Coco] VI and VIRQ

[Gene Heskett]

On Tuesday 13 May 2008, Mark Marlette wrote:
>Gene,
>
>I'll let Boisy explain in more detail but yes you can talk/copy to a
>HDB-DOS drive under NitrOS-9 and SuperDriver.
>
>There are several things that need to be setup in the descriptor /sh.
>
Great, I wondered what that was.  I presume it is a matter of changing an 
offset of at least 3 bytes width in the descriptor someplace.

>Mark
>Cloud-9
>
>Quoting Gene Heskett <gene.heskett at verizon.net>:
>> On Tuesday 13 May 2008, Boisy G. Pitre wrote:
>>> Gene,
>>>
>>> From your comments, I think you are misunderstanding OS-9's method
>>> for executing programs.
>>>
>>> Fact: if you type the name of a non-executable module (i.e. device
>>> descriptor) at the shell prompt in an attempt to execute it, you will
>>> get an error #234.
>>>
>>> This is the way it has always worked in OS-9 and NitrOS-9.  Nothing in
>>> the last few releases of NitrOS-9 has changed in this regard.
>>>
>>> I checked the King's Quest III bootfile.  Here's the ident output:
>>>
>>>    17 $C0 $47B370 . OS9p2
>>>    67 $C0 $0B2322 . Init
>>>    12 $C1 $FD1FEA . IOMan
>>>    28 $D1 $EFBE13 . RBF
>>>     9 $E1 $759161 . CC3Disk
>>>    82 $F1 $FC1918 . D0
>>>    82 $F1 $9F4210 . D1
>>>    82 $F1 $E6B118 . DD
>>>    13 $D1 $F946CA . SCF
>>>    19 $E1 $0C8A2E . CC3IO
>>>     1 $C1 $11ED90 . VDGInt
>>>    83 $F1 $AB5AE5 . TERM
>>>    10 $C1 $A18121 . Clock
>>>     5 $11 $1006FE . CC3Go
>>>    83 $F1 $577429 . VI
>>>    22 $E1 $A128BF . AGIVIRQDr
>>>
>>> There exists a module named VI in that bootfile, which would
>>> immediately clash with the VI program you are trying to run.  Again,
>>> NitrOS-9 does nothing special or different in this regard.  The issue
>>> is a name clash between a program and a module in memory.  The module
>>> in memory wins out.
>>
>> I don't recall it that way, but it isn't worth a prolonged discussion
>> either. I'll fix vi yet today.  End of problem.
>>
>> Any idea about the rest of it, like the non booting ss35 disk?  Or is it
>> possible to do a basic "backup 0 to 127" from a 40 track DS disk? (my
>> setup is a 1GB scsi disk, with HDB-DOS new enough to handle virtual
>> floppies, but I don't recall what size the virtual's are, os9 side
>> formatted for 4 sector clusters)
>>
>> Which brings up the question, is it possible to access these virtual disks
>> from nitros9 with a carefully crafted SO, S1 etc descriptors for rbsuper?
>>
>>> Regards,
>>> Boisy G. Pitre
>>> --
>>> Email: boisy at boisypitre.com
>>> Web: http://www.boisypitre.com
>>>
>>>
>>> --
>>> Coco mailing list
>>> Coco at maltedmedia.com
>>> 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)
>> <knghtbrd> it's too bad most ancient unices are y2k compliant
>> <|Rain|> too bad?
>> <|Rain|> why, because people won't upgrade until 2038?
>>
>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> http://five.pairlist.net/mailman/listinfo/coco
>
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-- 
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)
If God is perfect, why did He create discontinuous functions?