[Coco] 16550 wasRe: RS232 paks

Boisy Pitre boisy at tee-boy.com
Thu Mar 5 20:57:18 EST 2009


Willard,

You can thank Alan DeKok for that work.  He went into the kernel and  
optimized interrupt handling as best as he could and squeezed some  
additional performance.  NitrOS-9 still carries those enhancements.

Regards,
Boisy G. Pitre
--
Tee-Boy
Mobile: 337.781.3570
Email: boisy at tee-boy.com
Web: http://www.tee-boy.com

On Mar 5, 2009, at 7:44 PM, Willard Goosey wrote:

> On Fri, Mar 06, 2009 at 11:32:59AM +1000, Bob Devries wrote:
>> I'm sure I have run ZMODEM on NitrOS9 using the 9600 baud setting.  
>> I have a
>
> Well, NitrOS helps a *lot*.  I vaguely remember Boisie ranting about
> how utterly horrible the original OS-9LII's interrupt-handling code
> is.
>
> Even with the 6809 versions, it's noticably more responsive.
>
> 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
>
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco




More information about the Coco mailing list