HP 50G serial port programming


I have a couple of things I want to plug into my HP50g (GPS + an old DSO)

Is the serial port programmable via UserRPL or do I need to delve into SysRPL or even ARM for that?

I have a serial cable! :)


Communication subroutines to use the RS232 port



Excellent thanks for posting these. Rather neat code as well!

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