[Coco] SWTPCEmu Disk Images Cataloged

Gene Heskett gheskett at wdtv.com
Sun Dec 1 19:45:52 EST 2013


On Sunday 01 December 2013 19:44:38 Joel Ewy did opine:

> 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

It, level 1 version 1.00 had an os9p2.
 
> > 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
> > http://www.cocopedia.com/wiki/index.php/Main_Page
> > E-Mail: ooogalapasooo at aol.com
> 
> [trim]
> 
> --
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Cheers, Gene
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