[Coco] Testing CoCo3 serial port.

[Darren A]

On 2/24/09, Mark McDougall wrote:
> Phill Harvey-Smith wrote:
>
>> Hi is there any way that I can verify that the serial port on my CoCo3
>> is working correctly, I have it wired up to my PC via a 3 wire cable and
>> am having problems getting it to work in drivewire (though DW works fine
>> on my CoCo2 with the same cable).
>
> The simplest way I can think of would be to physically loop-back the TX & RX
> pins on the connector at the coco end and run a serial terminal program on
> the coco. You should see any typed characters 'echoed' back.
>
--

It would require a pretty clever terminal program to transmit and
receive simultaneously through the bit banger port.  Does such a
program exist?

Darren