[Coco] MC6809 Inards

[jdaggett at gate.net]

Mark

According to Terry's resume, he also was the project manager and creator of 
Basic09 for OS9 along with working on the MC6809.


To bad there are not any notes. A nice design specifications document of the 
GIME chip lyeing around would be nice. Oh well,we can only dream. 

james



On 5 Oct 2006 at 6:39, Mark Marlette wrote:

> 
> I have been in contact with Dale Chatham and Terry Ritter. They found 
> me with Cloud-9. They both were amazed with what we do with the CoCo 
> today. Terry ordered some HD63x09eps.
> 
> Dale did some checking for me...Wouldn't disclose names or sources but 
> he said that he was in contact and there are NO backups, notes, etc of 
> the GIME with the designer. More than one designer, not sure..... :(
> 
> Mark
> 
> 
> Quoting KnudsenMJ at aol.com:
> 
> > In a message dated 10/4/06 2:25:55 PM Eastern Daylight Time,
> > jdaggett at gate.net writes:
> >
> >> I do  remember Nick and John's discussions on who the original chip designer
> >
> >> was. My point is, since he designed the chip, most likely any  inventions
> > that
> >> would have come about from the design of this chip  would more than likely
> > be
> >> assigned to Tandy/Radio Sh ack and not to  the inventor. Only the inventor
> > would
> >> have his name on any patents as  inventor and not the owner of the patent.
> > That is
> >> the right of the  assignee.
> >
> > You are right on both counts.  Patents are usually assigned to the
> > inventor's employer, but the Patent Office insists on having real 
> > human names  attached
> > to the patent.  So if you found the GIME patents or copyrights,  you'd find
> > the chip designer's name.  (Well, actually, a copyright on a  "work done for
> > hire" does not need to list the person's name, unlike a  patent).
> >
> >> . So  Tandy would own a copyright of some form of
> >> information regarding the  chip. I am not sure any search will reveal any
> > deep
> >> intricate details  of the chip.But worth a shot.
> >
> > Tandy (now Radio Shack) probably long since threw away the GIME design, or
> > the floppies it's stored on probably can't be read by anything they 
> > have  now.
> > If you could find the designer and talk to him (hopefully he's  retired), he
> > might remember a few useful concepts, but I doubt he saved a copy  of 
> > the gate
> > design, unless he was really proud of it.
> >
> > ISTR someone here was well along the way in "forward engineering" a
> > work-alike ASIC design for the GIME -- like, we understand it well 
> > enough to  emulate
> > it, so we could build one.  Probably minus the sparklies, tho  :-)
> > --Mike K.
> >
> >
> >
> >
> >
> >
> >
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> >
> 
> 
> 
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