[Coco] COCO Video

[Frank Swygert]

Date: Mon, 24 Jun 2013 09:53:23 -0700
From: Steve Bjork<6809er at srbsoftware.com>

On 6/23/2013 10:52 PM, Mike Pepe wrote:

> John, you've probably been asked this before, but what do you think of the
> theory that the 6847 and 6883 were designed specifically for Tandy? The 6883
> in particular smells like a breadboard of TTL glue that got the old
> shrinkeroo into a 40 pin DIP.
>
Truth be told, the 6847 (VDG) 6883 (SAM) chip was NOT design for Tandy.

The support chips like the SAM are standard affair in any CPU lineup.
===========================================

True! In fact, if you get a data sheet for the 6809 you will see that the CoCo1 was very close to the sample computer schematic that Motorola provided.

-- 
Frank Swygert
Editor - American Motors Cars Magazine
www.amc-mag.com