[Coco] MC6809 Inards
jdaggett at gate.net
jdaggett at gate.net
Thu Oct 5 08:11:47 EDT 2006
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.
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..... :(
> 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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