[Coco] SWTPCEmu Disk Images Cataloged

[Joel Ewy]

On 11/30/2013 09:07 PM, Bill Pierce wrote:
> [trim]
>
> The real interest on those disks is the original MW sources to the "standard" os9 lvl 1 commands. They can be assembled using asm in os9 just as they are. The few system sources are useless for the Coco as they are for the swtpc hardware. There's no Coco os9 system sources there.
> It's all definately intersting. Joel is sending me a copy of the os9 material and I'll be posting it to the archive soon.
Well, the source for os9p1 and os9p2 would mostly be pertinent to the 
CoCo, no?  (At least Level I.)  But it's true that the other stuff isn't 
CoCo-specific.  And I would have loved to see source for IOMAN and some 
of the file managers.  But driver code is very instructive, even if it's 
for different hardware.  There's no reason one couldn't hook a(nother) 
6821 or 6850 up to a CoCo.  As a side note, somewhere along the line I 
got the impression that Level I OS-9 only included os9p1, and that os9p2 
added support for the DAT, et cetera.  These kernals clearly have an 
os9p2, but are definitely not Level II.  From looking at the ROM files, 
I wonder if the kernal wasn't perhaps broken into two sections in order 
to fit in affordable EPROMs of the day.  (Haven't looked at the size of 
the binaries.)  I haven't used Level I on the CoCo enough to remember 
whether it has an os9p2 or not, but I sure thought I had read somewhere 
that that was only a feature of Level II.  Maybe that was bogus 
information, or maybe I just made that up.

JCE

> Bill Pierce
> My Music from the Tandy/Radio Shack Color Computer 2 & 3
> https://sites.google.com/site/dabarnstudio/
> Co-Webmaster of The TRS-80 Color Computer Archive
> http://www.colorcomputerarchive.com/
> Co-Contributor, Co-Editor for CocoPedia
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>
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