[Coco] 16550 wasRe: RS232 paks

[Gene Heskett]

On Wednesday 04 March 2009, Mark Marlette wrote:
>Willard,
>
>The NitrOS-9/Driver is already written for a 16550 device. I have had a
> homebrew card running for almost 10yrs based upon that chipset.
>
>Yes, it would break all the old term programs. A caveat of adding new
> technology to an old machine. Not a problem in NitrOS-9 as the driver/dd is
> not part of the actual program, when properly written.
>
>The SuperBoard has a multi-function chip on it that has the 16550 in it.
> Anyone that has done high speed serial testing in a system will design it
> with hardware handshaking. It is no secret that the ACIA(6551) has issues
> with this, plus almost no buffer space. Not a good choice for new designs,
> IMHO. 16xxx series offers GREAT buffers, programmable interrupt thresholds
> etc..... I guess that is why they are so common, oh they work too! :)

Heh.  But the SuperBoard will be available before, or after Duke Nukem 
Forever?

:-)

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
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		-- Phaedrus