[Coco] Level3 and Drivewire may not work

[Bill Nobel]

Well Richard that depends on how much you know about the system behind Nitros9.  SCF is a acronym for sequential file manager.  It handles all serial communication process between the Device driver and IOMAN. RBF is the same as SCF except its random block file manager. which handles block data (like drive sectors) to IOMAN. 

Bill Nobel

> On Dec 17, 2014, at 9:04 PM, Richard E Crislip <rcrislip at neo.rr.com> wrote:
> 
> On Tue, 16 Dec 2014 22:48:49 -0600
> Bill Nobel <b_nobel at hotmail.com> wrote:
> 
>> Ha, just had a thought, DW4’s modules combined could be called NFM
>> ( or network file manager) in combination.  In a network sense you
>> can have both SCF and RBF calls, that can happen, at any time.  DW4
>> seems to handle it, but there seems to be some incompatibility with
>> L3.
>> 
>> Bill Nobel
>> 
>>> On Dec 16, 2014, at 10:30 PM, Bill Nobel <b_nobel at hotmail.com>
>>> wrote:
>>> 
>>> I think though it might be connected to the SCF/DWIO/RBDW relation.
>>> I could be wrong, but it seems Drivewire crosses the bridge between
>>> SCF protocol and RBF protocol, to marry the two. Mainly because DW
>>> uses serial protocol, but supports random block management.
>>> 
>>> Bill Nobel
>>> 
>>>> On Dec 16, 2014, at 9:11 PM, Bill Nobel <b_nobel at hotmail.com>
>>>> wrote:
>>>> 
>>>> Yeah I found the same thing Robert, I tried DW4 with Becker port
>>>> first thing and found it didn’t boot.  I noticed the same effect
>>>> on other boots of different Image file formats.  I have converted
>>>> some of them to be compatible in VCC, but not all.  I can’t figure
>>>> out why on some of them.  Work perfect in raw Disk basic, but not
>>>> HDBDos.
>>>> 
>>>> Bill Nobel
>>>> 
>>>>> On Dec 16, 2014, at 8:38 PM, Robert Gault <robert.gault at att.net>
>>>>> wrote:
>>>>> 
>>>>> Having a Level3 boot disk that works with my Coco3, MESS, and
>>>>> VCC, I tried changing the contents of OS9Boot to see if Level3
>>>>> worked with Drivewire. You can use rb1773 instead of cc3disk so
>>>>> why not use rbdw and dwio?
>>>>> 
>>>>> Well the new OS9Boot, with rbdw, dwio, and /X#, booted Level3 and
>>>>> floppy access still worked. However the system crashed when
>>>>> trying to read /X0. Doesn't look good.
>>>>> 
>>>>> Robert
>>>>> 
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>>>> 
>>>> 
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>> 
> 
> ALRIGHT!!!! 8-) What is SCF and RBF. There oh so many explanations of
> SCF on Google, but which one is being used here. TIA
> 
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