Zork was originally developed in the late 1970’s on a DEC PDP-10 computer at MIT using a descendant of the LISP language. There was also a FORTRAN version that was translated to the C language. When the development moved to a commercial endeavor through the startup company Infocom, Zork was rewritten in two parts: An interpreter and a story file read by the interpreter.
This allowed Zork to run on many different computers, where there were quite a few in the 80’s. The same story file could be used on any computer, only the story interpreter had to be created for that computer. This also allowed new stories and sequels to be created that could run using the same interpreter. The name for the interpreter was called the Z Machine. There are several open source Z Machine implementations available. My goal was to implement a Z Machine on an [microcontroller] that allows playing Zork and other compatible interactive fiction games.
The original Zork story file is about 90KB in size, which leaves plenty of room in the M4’s 192 KB of RAM for the Z Machine. The 2MB SPI FLASH provides enough storage for plenty of Z Machine games and save files.
The A2Z Machine supports Z Machine files version 3 and version 5 (usually “.z3” and “.z5” extensions). You can find other compatible games and resources on the internet including these sites:
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