[Coco] CoCoNet status

[Gene Heskett]

On Tuesday 09 December 2008, Darren A wrote:
>On 12/9/08, Torsten Dittel wrote:
>> DarrenA wrote:
>>> I have had success with 28800 on a CoCo 1, but have not done extensive
>>> testing.
>>> DriveWire 2.0 claims to do 38400 on a CoCo 1.
>>
>> Hmmmm... could later CoCo1 boards already have faster driver ICs?
>
>I have three 'F' boards all of which have the slower 741C op-amp. The
>28800 bps code I tested worked on these boards.
>
>I would imagine that success will also depend on the device which is
>receiving the transmission from the CoCo. The actual amplitude will
>depend on the voltage levels that the receiving device needs for a
>determinate state (the closer to 0 volts the wider the amplitude).
>Perhaps the MIDI device in question had a higher threshold than most
>PC serial ports, making it less capable of working with the CoCo's
>sloping transitions.
>
>Darren
>
Don't forget that part of the midi spec is optoisolation in the rx circuitry, 
and the 741 would be hard put to drive an opto device hard enough.

>--
>Coco mailing list
>Coco at maltedmedia.com
>http://five.pairlist.net/mailman/listinfo/coco



-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
No excellent soul is exempt from a mixture of madness.
		-- Aristotle