RS232 - PS2

Ref RS232 – PS2 interface using a PIC12F675 a RISC 8bit chip.

Anyone know if this similar to the 32bit Arm chip for programming purposes?

Hmmm… “Is an 8 bit microcontroller similar to a 32 bit application processor?”

That depends upon how vague and inclusive your definition of “similar” is, but I’d be leaning towards “not especially”.

Does anyone remember any BBC / Arc code that deals with RTTY Navtex reception?

Try asking on Stardot perhaps?

https://stardot.org.uk/forums/viewtopic.php?t=24101