[Coco] [Color Computer] Nitros9 Boot file

Thu Nov 23 09:25:40 EST 2006

I thought Boisy had implemented that change.

Years ago as Robert and Gene stated that was the case.

Who is running 20yr OS these days? :)

This is what is so much fun about this computer. This mod was to 
align with OSK features.

Mark
www.cloud9tech.com

At 11/23/2006 07:24 AM, you wrote:

>On Thursday 23 November 2006 07:46, Boisy Pitre wrote:
> >On Nov 23, 2006, at 6:27 AM, Mark Marlette wrote:
> >> Jim,
> >>
> >> Good work. Raises a question....
> >>
> >> Boisy - Is the bootfile allowed to be fragmented. I know we talked
> >> about it.????
> >
> >NitrOS-9 V3.2.6 allows for fragmented bootfiles on the disk, but it
> >will load in memory as one contiguous blob.  There is no restriction
> >about modules needing to start on a block or page boundary, but $8200
> >seems to be the limit for reasons I'll have to research.  Good work Jim.
>
>I answered before I read your reply, Boisy.  I wasn't aware there was
>enough room in the boot module to actually do filesystem lookups in the
>case of fragmentation of the file.  Nice touch.
>
>This limit may have crept in un-noticed as I believe I have some working
>floppy disks that have an $8300+ filesize to them from about 10 years
>ago.  But my hardware has changed so they won't boot to anything usefull
>now.
>
> >> Mark
> >> www.cloud9tech.com
> >>
> >> Quoting Jim Hickle <jlhickle at yahoo.com>:
> >>> Tonight I made 10 bootfiles -- started with one that
> >>> worked, added a bunch of modules, then removed them
> >>> until it would successfully boot.  So far, i've found
> >>> that os9boot of $8200 or less will allow a successful
> >>> boot.  And it will not boot if os9boot is $822F.
> >>>
> >>> I'm wondering whether the modules once in memory are
> >>> contiguous or there may be some gaps. Does the start
> >>> of a module have to be on a block or page boundary?
> >>>
> >>> I'll continue the experiment tomorrow. (The Lord
> >>> willing, of course.)
> >>>
> >>> -jim
> >>>
> >>> --- Boisy Pitre <boisy at boisypitre.com> wrote:
> >>>> I think Jim is hitting the size limitation of a
> >>>> bootfile.  I don't
> >>>> know the exact size, but once your bootfile gets
> >>>> beyond a certain
> >>>> point there is an issue.
> >>>>
> >>>> Jim, try removing your RS-232 module and pear down
> >>>> your bootfile down
> >>>> a bit.  Better yet, report the size in bytes of the
> >>>> bootfiles that
> >>>> are working and failing.  That will give us some
> >>>> clue as to the range
> >>>> of the size limit.
> >>>> --
> >>>> Boisy G. Pitre
> >>>> 337.781.3570 mobile
> >>>> email: boisy at boisypitre.com
> >>>> Website: www.boisypitre.com
> >>>>
> >>>> "If there is truth to the proposition that knowing
> >>>> the past helps us
> >>>> to understand the present, I believe there is at
> >>>> least as much truth
> >>>> to the proposition that what we know of the present
> >>>> is crucial to our
> >>>> understanding of the past.  What we have not
> >>>> ourselves experienced or
> >>>> observed we can at most only partially and
> >>>> imperfectly comprehend;
> >>>> and I suspect that there is much in history that is
> >>>> so remote from
> >>>> our own experiences or observations as to be largely
> >>>> beyond our
> >>>> understanding." - Kenneth M. Stamp
> >>>>
> >>>> On Nov 22, 2006, at 8:15 AM, Robert Gault wrote:
> >>>>> Jim Hickle wrote:
> >>>>>> I use the scripts from the current distribution.
> >>>>>> I made working boot disks in this order:
> >>>>>> 1. unmodified boot
> >>>>>> <snip>  We really need the actual bootlist not "I
> >>>>
> >>>> did this and
> >>>>
> >>>>>> then that" to
> >>>>>
> >>>>> debug a boot order list problem. In fact, I'm
> >>>>
> >>>> surprised that you have
> >>>>
> >>>>> one as I thought that was confined to the floppy
> >>>>
> >>>> disk system modules.
> >>>>
> >>>>>> 8. tried adding CDF modules. Tried moving RAM
> >>>>
> >>>> disk modules then
> >>>>
> >>>>>> took them out.
> >>>>>> Last item reported on boot is: i2xo
> >>>>>
> >>>>> Now that is exactly the type of info we need. i2xo
> >>>>
> >>>> means that the Init
> >>>>
> >>>>> module was found, entered os9p2 (krnl2), and tried
> >>>>
> >>>> to open the default
> >>>>
> >>>>> Init device. There actually should then follow an
> >>>>
> >>>> error code but if
> >>>>
> >>>>> the
> >>>>> system hung at this point, it suggests a problem
> >>>>
> >>>> with the type of
> >>>>
> >>>>> screen
> >>>>> used for /term.
> >>>>>
> >>>>> Is this on a real Coco or emulator? How much
> >>>>
> >>>> memory is available? Is
> >>>>
> >>>>> your /term a 32, 40, or 80 width screen? Are the
> >>>>
> >>>> matching drivers for
> >>>>
> >>>>> /term part of the boot file? If 40 or 80 width
> >>>>
> >>>> type /term, is
> >>>>
> >>>>> grfdrv in
> >>>>> the CMDS directory? The latter is a typical cause
> >>>>
> >>>> for failure at
> >>>>
> >>>>> i2xo in
> >>>>> the boot process.
> >>>>>
> >>>>>> Six attempts to reboot:
> >>>>>> 1. no furthur activity
> >>>>>> 2. screen goes blank
> >>>>>> 3. black & white checkerboard with green border
> >>>>>> 4. "Failed" message
> >>>>>> 5 & 6. screen filled with random text
> >>>>>> 7. screen of random text, then black border,
> >>>>
> >>>> white screen with a
> >>>>
> >>>>>> few blue & black vertical stripes and loss of
> >>>>
> >>>> vertical sync.
> >>>>
> >>>>>> Have to run off to work now, but will get ident
> >>>>
> >>>> of working and not
> >>>>
> >>>>>> working os9boot files.
> >>>>>>
> >>>>>> Thank you!
> >>>>>> jim hickle
> >>>>>
> >>>>> --
> >>>>> Coco mailing list
> >>>>> Coco at maltedmedia.com
> >>>>> http://five.pairlist.net/mailman/listinfo/coco
> >>>>
> >>>> --
> >>>> Coco mailing list
> >>>> Coco at maltedmedia.com
> >>>> http://five.pairlist.net/mailman/listinfo/coco
> >>>
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> >>
> >> --
> >> 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)
>Yahoo.com and AOL/TW attorneys please note, additions to the above
>message by Gene Heskett are:
>Copyright 2006 by Maurice Eugene Heskett, all rights reserved.
>
>--
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>http://five.pairlist.net/mailman/listinfo/coco
>
>
>
>
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