On Sat, Mar 7, 2020 at 6:14 PM Alex ... <abortretryf...@gmail.com> wrote:

> I tried doing this with my T102 a few years back and couldn't get the baud
> rate anywhere close to 31250. 🙁
>
>>
>>>
What did you try? You need to set the baud rate divisor directly. You
cannot use the BASIC port OPEN string or TELCOM to set the speed.

Open the port first, then override with OUT commands or ML code.

http://bitchin100.com/wiki/index.php?title=Model_100_Serial_Interface

I guess the divisor you want to program is 153600 / 31250 = 4.9152

Closes integer divisor is therefore 5.

So,

Port $BD = 64
Port $BC = 5

Another way of looking at is, the closest you can get is 30720bps. I don't
know if that's close enough for compatibility.

-- John.

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