[Coco] Shell i=/t1& slowdown

Roger Taylor operator at coco3.com
Wed Sep 5 21:39:26 EDT 2007


At 08:21 PM 9/5/2007, you wrote:
>On Wed, 5 Sep 2007 17:26:26 -0600, "Chester A Patterson"
><vchester at setec-cr.com> had a flock of green cheek conures squawk out:
>
> >Hello.
> >Recently I made a serial cable and tested it hooking up a W98 laptop to
> >the bit-banger.
> >Boot NOS9-030206
> >Xmode /t1 9600-8-N-1 and all is well. Could send stuff to WinTerm (eg.
> >list startup >/t1)
> >Then I did shell i=/t1& and got a nice terminal on WinTerm. BUT the Coco
> >slowed down horribly!
> >My startup fires up /Term and /w1/2/3 text with shells.
> >Is this normal? Of course each process takes up its setpr slices but the
> >slowdown is very pronounced.
> >Suggestions?
>
>The bit-banger port will be the source of the slow down since it uses
>alot of cpu time to send/receive.


And also keep in mind that this is 80's technology.  That old serial 
I/O code is bad enough not running as a background task.

-- 
Roger Taylor





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