[Coco] NitrOS9 question

Dave Philipsen dave at davebiz.com
Fri Oct 6 20:43:20 EDT 2017


Ok, so how big is the bootfile?

Dave

> On Oct 6, 2017, at 4:15 PM, David Ladd <davidwladd at gmail.com> wrote:
> 
> Dave,
> 
> Since I can't test this on a CoCo3FPGA right now I did finally get my
> Deluxe RS232 Pak working.  I modified the make files for the NitrOS-9
> project and made myself a CoCoSDC headless that uses the sc6551 driver and
> term modules.  Here is my short ident of my OS9Boot file.  I tested it and
> it does work and with the standard Shell+ as well.
> 
> 
> {Term|02}/DD:ident os9boot -s
>   19 $C0 $FA063B . KrnP2
>   13 $C1 $FB10BD . IOMan
>    1 $C0 $9D910E . Init
>   37 $D1 $245E32 . RBF
>    2 $E1 $84C07C . RBSuper
>   22 $21 $230904 . llcocosdc
>   82 $F1 $DB0F90 . SD0
>   82 $F1 $081F95 . SD1
>   82 $F1 $F8621C . DD
>    1 $E1 $A4EB50 . rb1773
>   82 $F1 $045CD6 . D0
>   82 $F1 $803FAD . D1
>   82 $F1 $8C9A43 . D2
>   18 $D1 $55C62E . SCF
>   10 $E1 $67C110 . sc6551
>   83 $F1 $64212E . Term
>    5 $D1 $6F9717 . PipeMan
>    2 $E1 $895C5F . Piper
>   80 $F1 $D512FB . Pipe
>    9 $C1 $9A36A3 . Clock
>    1 $21 $5833D2 . Clock2
> 
> 
> +-----------------------------------------------------------------------+
> | David Ladd a.k.a. PacoOtaktay a.k.a. Drencor                          |
> | YouTube: http://www.youtube.com/user/PacoOtaktay                      |
> | YouTube Gaming Live: https://gaming.youtube.com/user/PacoOtaktay/live |
> | Websites: http://dwladd.com     &     http://www.theterrorzone.com    |
> | G+:  https://plus.google.com/113262444659438038657                    |
> | G+:  https://plus.google.com/+DavidLaddPacoOtaktay                    |
> |                                                                       |
> | Do you have your CoCo 3 yet?                                          |
> +-----------------------------------------------------------------------+
> 
> 
>> On Fri, Oct 6, 2017 at 8:06 AM, Dave Philipsen <dave at davebiz.com> wrote:
>> 
>> I would like to do some experiments with this on a real CoCo 3, too.  I'm
>> using the CoCo3FPGA right now.  It's much easier for me to test things on
>> this platform because I have the ability to boot with an alternate bootfile
>> just by holding down the ALT key while booting.  I can make changes to the
>> OS9Boot.1 file while still retaining the original OS9Boot file.  Also,
>> because of Brett's bootloader, I don't have to do anything special to
>> generate the bootfile.  I just merge all of the modules needed and the
>> bootloader will load it no matter if it's fragmented or where it resides on
>> the disk structure.
>> 
>> Dave
>> 
>> 
>> 
>>> On 10/6/2017 7:50 AM, Aaron Wolfe wrote:
>>> 
>>> We ran into the same issue when creating the headless Drivewire disks some
>>> years ago.  If the boot file became too small, things went badly.
>>> 
>>> Unfortunately Boisy solved this in our case so I can't give you specifics.
>>> Not sure if he still monitors this list, fairly sure he intended to patch
>>> the nitros9 source to correct the bug. Perhaps the fix got lost or was not
>>> comprehensive.  In any case, I can confirm a third case where small boot
>>> file became an issue in itself.
>>> 
>>> -Aaron
>>> 
>>> On Oct 6, 2017 8:35 AM, "Neal Crook" <foofoobedoo at gmail.com> wrote:
>>> 
>>> In my mc09 l2 development I found a bug where a too - small bootfile would
>>> hang. Padding it fixed the problem. I will look out the details over the
>>> weekend and let you know, so we can see if our experiences tally. It would
>>> be good to know that it was a generic problem and not specific to my
>>> target
>>> hardware. I spent quite a lot of time in emulation trying to track it down
>>> without success
>>> 
>>> Neal
>>> 
>>> On 6 Oct 2017 12:40, "Dave Philipsen" <dave at davebiz.com> wrote:
>>> 
>>> Haha!  That doesn't work either.  But as soon as I re-assemble Term with
>>> 265 extra bytes in it, it boots just fine.  So it really does appear to be
>>> an issue with size and not order.
>>> 
>>> 
>> 
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> 
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