[Coco] DRAGON TANO Arrived

[Juan Castro]

I don't know much about the Dragon differences. Does it have RS-232 by
other means?

On Mon, Oct 1, 2012 at 2:55 PM, Phill Harvey-Smith
<afra at aurigae.demon.co.uk> wrote:
> On 01/10/2012 18:03, Ken H. wrote:
>>
>> Phill
>> Could you share with us the design of a dragon parallel to coco-bit banger converter circuit? Schematics for this converter could be really useful as it would allow the Dragon to use drivewire (at least under Nitros9)
>
> Well not so much a design, just an observation that the I/O lines from the PIA that the bit-banger uses are available on the Dragon's Parallel printer port. I guess youd need a level shifter circuit, something like a MAX232 or MAX202 to generate proper RS232 levels, but should be doable.
>
> If I get a few minutes later I'll see if I can design something.