[Coco] [Color Computer] Nitros9 Boot file

[Mark Marlette]

Jim,

Good work. Raises a question....

Boisy - Is the bootfile allowed to be fragmented. I know we talked  
about it.????

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
>> >>
>> >
>> >
>> > --
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>> > Coco at maltedmedia.com
>> > http://five.pairlist.net/mailman/listinfo/coco
>>
>>
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>
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