# FROTZ V2.55
An interpreter for all Infocom and other Z-machine games.
Complies with the Z-Machine Standard version 1.1.

[![Liberapay](https://img.shields.io/liberapay/receives/DavidG.svg?logo=liberapay)](https://liberapay.com/DavidG)

Originally written by Stefan Jokisch in 1995-1997.
Ported to Unix by Galen Hazelwood.
Reference code and Unix port currently maintained by David Griffith.

## Features
- Compiles and runs on most common flavors of Unix, both open source and not.
  This includes macOS.
- Compiles and runs on MSDOS/PCDOS/FreeDOS.
- Compiles and runs on PDP-10 mainframes running the TOPS20 operating system.
- Portable to many other operating systems and hardware.
- Curses, Dumb, and SDL user interfaces.
- Plays all Z-code games including V6.
- Sound support through libao.
- Graphics displayed through SDL.
- Config files.
- User-configurable error checking.
- Distributed under the GNU Public License, version 2 or any later version.

## Information
For information on what Interactive Fiction is and how to play it, see the
file "HOW_TO_PLAY".

For installation information, see the file "INSTALL".

For information on building for DOS, see the file "INSTALL_DOS".

For information on building for TOPS20, see the file "INSTALL_PDP10".

For update history, see the file "Changelog".

The Frotz homepage is at https://661.org/proj/if/frotz/

The latest information on and source code of Unix Frotz is available at 
https://gitlab.com/DavidGriffith/frotz

## Downloads
The latest release of Unix Frotz is available from the Interactive
Fiction Archive at:
http://www.ifarchive.org/if-archive/infocom/interpreters/frotz/
and
ftp://ftp.ifarchive.org/if-archive/infocom/interpreters/frotz/


## Mirrors
The Interactive Fiction Archive has several mirrors which may be better
choices depending on where you live.

- USA: http://ifarchive.jmac.org
- USA: http://ifmirror.russotto.net
- USA: http://ifarchive.smallwhitehouse.org
- USA: http://ifarchive.info
- USA: http://ifarchive.ifreviews.org
- USA: ftp://ifarchive.ifreviews.org
- USA: http://mirrors.ibiblio.org/interactive-fiction/
- USA: gopher://gopher.661.org/1/if-archive
