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

[Bob Devries]

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

> 

> 

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