[Coco] DriveWire on the Raspberry Pi in five easy steps.

[Bill Nobel]

Actually no,  Bro. Jeremy got a hold of the Level 2 Upgrade that Kevin Darling was doing for Tandy years ago.  That upgrade is already incorporated into the V3.3.0 of Nitros9.  Level 3 is a new system Alan Dekok took on a couple of years ago that significantly  improves system ram space by seperating SCF & RBF into their own memory spaces. outside of the system map.   For instance my V3.3.0 boot I have 2k free in my system map. Under Level 3 I get 14k free in system map 12k free for SCF and 8k free for RBF with the same modules loaded.  Essentially, Level 3 gives 3 separate system maps.  You can run more windows & applications under Level 3.

Bill Nobel

> On Feb 11, 2015, at 11:21 AM, Richard E Crislip <rcrislip at neo.rr.com> wrote:
> 
> On Tue, 10 Feb 2015 21:29:51 -0600
> Bill Nobel <b_nobel at hotmail.com <mailto:b_nobel at hotmail.com>> wrote:
> 
>> Well, if you are using ‘HG’ tot pull the repo on the pi. it will be
>> present in the folder structure with nitro.a & _end.a in the
>> level3/modules folder.  Myself and Robert have been looking into the
>> changes made in ioman, clock and os9p1 from last known copies of
>> working boots of L3. Right now I have 2 different ioman’s one bigger
>> than Roberts bootable I got a hold of from Alan that has even more
>> additions (30 bytes bigger).
>> 
>> Bill Nobel
>> 
>>> On Feb 10, 2015, at 9:08 PM, Allen Huffman <alsplace at pobox.com>
>>> wrote:
>>> 
>>>> On Feb 10, 2015, at 7:43 PM, Bill Nobel <b_nobel at hotmail.com>
>>>> wrote:
>>>> 
>>>> No, I am talking Level 3 which Alan was doing splitting SCF/RBF
>>>> into their own system map.  The way the repo is setup is the
>>>> conditionals for Level 3 are in the Level2/modules/* source
>>>> folder.  Only the modules new to Level 3 end up in
>>>> Level3/modules/*. Which in case you aren’t aware the nitro.a
>>>> (which at some point Alan changed to Nitros9.a in the copy I
>>>> received) and _end.a are the only new code for Level 3 the rest is
>>>> modified Level 2 code.
>>>> 
>>>> Bill Nobel
>>> 
>>> That was the most significant OS-9 upgrade to me, even more so than
>>> 6309. I found my original L3 boot disks with the odd end marker
>>> modules in them and had to remember what they were :)
>>> 
>>> What is the /level3 directory in the repository?
>>> 
>>> 		— A
>>> 
>>> 
>>> 
>>> 
>>> 
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>> 
>> 
> 
> Hi Bill, What was the level 3 Bro Jeremy had and was giving away? TIA
> 
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