[Coco] CoCo 2 bitbanger does 57600bps!

[Gene Heskett]

On Thursday 23 March 2006 22:40, Neil Morrison wrote:
>There are limitations on how fast it can operate in bi-directional
> mode. Also, there is no point running a dot matrix type printer
> faster than 1200 or 2400 baud since they just can't print that fast.
>
>Neil
>
>----- Original Message -----
>From: "Roger Taylor" <webmaster at coco3.com>
>
>> One thing's for sure... all those messages over the years saying
>> that the CoCo can really only do 1200bps over the bitbanger port
>> needs to be squashed for good.  Even the 9600bps limitation comments
>> are ridiculous.
>>
>> :)
That depends on the coco's os.  Basic doesn't use any IRQ's, but os9 
does.  Because of that and the multitasking os9 can do, the bit banger 
is essentially worthless to os9 except for printing.  And that istr has 
a speed limit.  Reclocking an rs232 pack now, can be quite refreshing.



-- 
Cheers, Gene
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Copyright 2006 by Maurice Eugene Heskett, all rights reserved.