Does anyone know, how to make a kind of messenger between two calculators on the
prizm using the 3pin port?
The three pin port is a serial port.
Hope this helps: https://prizm.cemetech.net/index.php/Category:Syscalls:Serial
And this: https://prizm.cemetech.net/index.php/Serial
Thank You!
fXXa wrote:
Does anyone know, how to make a kind of messenger on the
prizm using the 3pin port?

You can use fxTerm, run on both calculators connected by serial cable.
http://martin.poupe.org/casio/fxterm/index.html
Once you open the port with the OS (which sets up some useful interrupts so you can have a fairly large transmit buffer, you can fiddle with the serial port registers as you see fit).

I'm doing this in my 1-bit sound solution here:
https://github.com/tswilliamson/PrizmSDK/blob/master/utils/snd/src/snd_prizm.cpp
  
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