RISC OS Software RISC OS
http://www.svrsig.org/ software/PaPiRus.htm

PaPiRus

This is a driver for a PaPiRus Zero 2′ display - it requires the PiSPI module and assumes a display connected via SPI. It sets GPIO 22 low (to turn off a GPS module) and restores GPIO 4, 14 and 15 afterwards.