Site consacrée aux HP
http://www.hpcalc.org
http://www.hp-sources.com
HP-Arena.com
Document relatif aux fonctionnement du Saturn:
http://www.hp-network.com/programmation/tutoriaux/hp49/asm/interruptions/interruptions.zip
http://www.hpcalc.org/hp49/docs/programming/masddocs.zip
http://www.hpcalc.org/hp49/docs/programming/memmap.zip
http://www.hp-sources.com/docs/download/saturnd.zip