Z-code
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Revision as of 06:47, 7 November 2012
| File Formats | > | Electronic File Formats | > | Interactive Fiction | > | Z-code |
Contents |
Description
Z-code is an Interactive Fiction (IF) file format. A Z-code file contains a series of instructions for the Z-machine, a virtual machine designed by Infocom. A Z-code file typically contains an IF game which can be played using a Z-code interpreter. It is sometimes referred to as Infocom format. There are eight versions of Z-code. The first six were created by Infocom, while versions 7 and 8 were created by Graham Nelson, the author of Inform. Version 6 supports sound a images.
Z-code files can be packaged in Blorb container files along with other resources needed for the game, such as images and sounds.
Extensions
- .z1 - .z8 (current convention, depending on what Z-code version the file is)
- .DAT (used by Infocom for most of their commercial releases)
- .ZIP (rarely seen, conflicts with the common extension used for ZIP compression)
Interpreters
A z-code game can be played on any platform that has an appropriate interpreter. Most interpreters can handle any Z-code version, although version 6 is not as widely supported as the other versions.
- Frotz (cross-platform, open source, website)
- Gargoyle (cross-platform, open source, website): can interpret multiple IF formats, including Z-code
- Parchment (web, open source, website): browser-based Z-code interpreter.
- Spatterlight (Mac OS X, open source, website): can interpret multiple IF formats, including Z-code
- Twisty (Android, open source, website, Google Play)
- Zoom (Mac OS X and Unix-like, open source, website) can interpret multiple IF formats, including Z-code.
The IF Archive contains many other interpreters:
Other Tools
- Inform is an IF development system by Graham Nelson that outputs Z-code.
- ZILF by Jesse McGrew is a reimplementation of Infocom's ZIL development system. Outputs Z-code.
- IF Archive: Z-code compilers
- IF Archive: Z-code tools
Sample Files
- Advent.z5: Adventure aka Colossal Cave, the original 350 points version ported to Inform by Graham Nelson
- SoFar.z8: So Far, by Andrew Plotkin
- zdungeon.z5: Zork, by Infocom
Information
- IFwiki: Z-machine
- The Z-Machine Standards Document (version 1), by Graham Nelson
