[Coco] NitrOS9 question

Dave Philipsen dave at davebiz.com
Sat Oct 7 03:02:10 EDT 2017


Very interesting, David.  Thanks for the quick update. 

Dave

> On Oct 6, 2017, at 11:40 PM, David Ladd <davidwladd at gmail.com> wrote:
> 
> Dave,
> 
> To fix my booting issue I just added sysgo into the OS9Boot file to fill up
> some space (*shrug*) and works fine.  I know it doesn't make any sense, but
> maybe Robert, Curtis, Bill, or Bill can give some feedback on this.
> 
> +-----------------------------------------------------------------------+
> | 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 8:26 PM, Dave Philipsen <dave at davebiz.com> wrote:
>> 
>> Ok, so it’s larger than $4401.  I’d be curious to see what would happen if
>> you removed rb1773, d0, d1, and d2 from the bootfile.  That would probably
>> get it down below $4401 in size.
>> 
>> Dave
>> 
>>> On Oct 6, 2017, at 8:19 PM, David Ladd <davidwladd at gmail.com> wrote:
>>> 
>>> Dave,
>>> 
>>> Here is the directory from the root:
>>> 
>>> {Term|02}/DD:dir -e
>>> 
>>> Directory of .  2017/09/28 23:04
>>> 
>>> Owner  Last modified   Attributes Sector Bytecount Name
>>> ----- ---------------- ---------- ------ --------- ----
>>> 0  2017/10/06 15:49  ------wr      13      485F OS9Boot
>>> 0  2017/10/06 15:49  d-ewrewr      5D       B20 CMDS
>>> 0  2017/10/06 15:49  d-ewrewr      66       1C0 SYS
>>> 0  2017/10/06 15:49  d-ewrewr      6F       100 DEFS
>>> 0  2017/09/28 21:12  ----r-wr      78       F00 ccbkrn
>>> 0  2017/09/28 21:12  --e-rewr      88       1FF sysgo
>>> 0  2017/09/28 21:01  ----r-wr     62D        F9 startup
>>> 0  2017/10/06 15:49  d-ewrewr     62F        60 NITROS9
>>> 
>>> 
>>> 
>>> +-----------------------------------------------------------
>> ------------+
>>> | 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 7:43 PM, Dave Philipsen <dave at davebiz.com>
>> wrote:
>>>> 
>>>> 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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