[Coco] Source code for High Speed Bit-Banger I/O

Bob Devries devries.bob at gmail.com
Sat Apr 28 02:35:54 EDT 2007


Roger Taylor said:

> I don't think the 6821 itself will register the signals that long, 
> but who knows?  Also, the timing is so close that faking half-cycles 
> might be required, but not possible. Cross your fingers, guys.

Good luck Roger. (fingers & toes & eyes crossed)

"Abandon all hope all ye who enter (t)here....."


--
Regards, Bob Devries, Dalby, Queensland, Australia

Isaiah 50:4 The sovereign Lord has given me
the capacity to be his spokesman,
so that I know how to help the weary.

website: http://www.home.gil.com.au/~bdevasl
my blog: http://bdevries.invigorated.org/

----- Original Message ----- 
From: "Roger Taylor" <operator at coco3.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Saturday, April 28, 2007 4:26 PM
Subject: Re: [Coco] Source code for High Speed Bit-Banger I/O


> Ok, I spent about 15 minutes coming up with a possible 230400 bps 
> block receive routine.
> 
> Tomorrow I'll be testing to see if this actually works.  This is 
> 115200 x 2 and requires the 2mhz CPU mode just as the 57600 bps code 
> requires to achieve 115200 bps.
> 
> I noticed my PC's dial-up settings allows this speed "setting", and I 
> think my USB Serial Adaptor may support it but I'm not sure yet.
> 
> I don't think the 6821 itself will register the signals that long, 
> but who knows?  Also, the timing is so close that faking half-cycles 
> might be required, but not possible. Cross your fingers, guys.
> 
> 
> 
> 
> 
> 
> -- 
> Roger Taylor
> 
> 
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco



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