Antonino Porcino has let me know that this entry in the database...
Astronave Di Farmer
http://solutionarchive.com/game/id%2C38 ... armer.html
is actually a version of Astronave Farmer, originally written in BASIC for the Sharp MZ80B by Mario Pettenghi and published as a type-in listing on MC MicroComputer magazine n. 40 - April 1985 .
Antonino has produced both an interesting article (in Italian) and a GitHub page all about the game (including the program listing).
https://www.retromagazine.net/download/ ... ine_23.pdf
https://github.com/nippur72/8-bit-proje ... ave-farmer
...and details of other ports, which I'll use to update/combine the entries later.