[Coco] Deskmate 3 article link

Willard Goosey goosey at virgo.sdc.org
Thu Sep 16 15:07:02 EDT 2010


On Wed, Sep 15, 2010 at 05:48:53PM -0500, Little John wrote:
> most likely that the 6847 was created independent of the project and that 
> the 6883 was created for the project (as mentioned in that link - to reduce 
> chip count). Of course this is all just speculation on my part. I used to 

Well, not to bad-mouth the 6883's designers, but I always wondered why
it wasn't wired to the data bus so that its control register could be
addressed with 1 byte instead of 16(?).  Seems awfully wasteful of address
space.

> using some variation of Don Lancaster's TV Typewriter which was 32x16. It 
> was apparently an easily implemented format at the time. I have many of 
> Don's original articles in Popular Electronics, his three TV Typewriter 
> books, etc. It's all interesting to read. We have come a very loooonnnggg 
> way since those days.

Ahh!  I never knew that was such a thing.  That would explain it, yes.

Yes, we have come a long way.

Willard
-- 
Willard Goosey  goosey at sdc.org
Socorro, New Mexico, USA
I search my heart and find Cimmeria, land of Darkness and the Night.
  -- R.E. Howard



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