Emulator core geared towards emulating ZZT and Super ZZT.
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asie 8dc3b07e4d beta21 vor 1 Tag
mingw [sdl] add icon to Windows builds vor 4 Tagen
res [sdl] add icon to Windows builds vor 4 Tagen
src beta21 vor 1 Tag
tools [psp] initial port vor 5 Monaten
web work around bug in window focus vor 2 Tagen
.gitignore [web] use npm/rollup/babel-based buildsuite, use modern ECMAScript features vor 3 Monaten
COPYING first commit vor 1 Jahr
Makefile [sdl] libpng screenshot support vor 2 Monaten
Makefile.psp [psp] initial port vor 5 Monaten
NOTICE update license headers vor 9 Monaten
README.md beta 17 vor 2 Monaten
zeta_curses.sh [curses] fix build vor 3 Monaten
zeta_sdl.sh fix memory limit code, work on audio code refactors vor 4 Tagen
zeta_sdl_mingw.sh fix memory limit code, work on audio code refactors vor 4 Tagen
zeta_wasm.sh fix memory limit code, work on audio code refactors vor 4 Tagen



Zeta consists of:

  • an 8086/80186 emulation core, based on lunatic86,
  • an emulation environment geared specifically towards running ZZT and Super ZZT.

Currently, it has the following front-ends:

  • curses - use ZZT in a terminal (sort of),
  • sdl - primary desktop frontend,
  • web - utilizes the WASM-compiled version of Zeta to allow using Zeta inside a web browser.

Directory structure

  • build/ - contains build output files,
  • src/ - contains the source code to the Zeta emulator, as well as the Curse

Implementing your own front-end

Refer to src/zzt.h. Functions marked USER_FUNCTION are accessible to you to interface with the emulator core, while functions marked IMPLEMENT_FUNCTION should be implemented.

Certain methods can be dummied out:

  • vfs_write - if you don’t need file writing,
  • speaker_on/speaker_off - if you don’t emulate the PC Speaker,
  • vfs_findfirst/vfs_findnext - if you don’t want file lookup to work.

There is, unfortunately, little documentation at this time.


The source code release of Zeta generally available under the terms of the GPLv3 license. For different licensing terms, please contact me directly.

The binary copy available here is for usage by the Museum of ZZT. It may not be used by any other entity, however it is used by the Museum with explicit permission.