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…ead. The 'TwoBeeps' in tuidemo now returns immediately, with the beeps played in succession in the separate thread. Resolves issue #190.  (Beeps still don't work in SDLn and VT.  Nor -- for me,  anyway -- in X11.)

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Sep 5, 2020

Welcome to PDCursesMod!

Public Domain Curses, aka PDCursesMod, is an implementation of X/Open curses for multiple platforms. Relative to the 'official' PDCurses project, this has a variety of improvements, adding Windows GUI, VT-like console, DOSVGA, and Plan 9 "flavors" of Curses and expanding the capabilities of the other flavors (SDL1, SDL2, X11, Win32 console, OS/2, and DOS). Some details and screen shots at

Much of this was done during a long period in which the 'official' PDCurses was inactive. Since then, that version has again been somewhat active; most improvements made there have been taken into this project, and some improvements from here have gone into PDCurses. Most programs that compile and run with PDCurses or ncurses will also compile with PDCursesMod, and vice versa, as long as you stick to the (substantial) subset of common functionality. However, the split appears to be permanent.

Legal Stuff

The core package is in the public domain, but small portions of PDCursesMod are subject to copyright under various licenses. Each directory contains a README file, with a section titled "Distribution Status" which describes the status of the files in that directory.

If you use PDCursesMod in an application, an acknowledgement would be appreciated, but is not mandatory. If you make corrections or enhancements to PDCursesMod, please forward them to the current maintainer for the benefit of other users.

This software is provided AS IS with NO WARRANTY whatsoever.


PDCurses has been ported to DOS, OS/2, Win32, X11 and SDL1 and SDL2. PDCursesMod adds DOSVGA, Windows GUI, Plan 9, and VT-like console ports. A directory containing the port-specific source files exists for each of these platforms.

Build instructions are in the README file for each platform:

  • DOS for use on DOS
  • DOSVGA for use on DOS in graphical modes
  • OS/2 for use on OS/2
  • Plan9 for use on Plan9 (APE)
  • SDL 1.x for use as separate SDL version 1 window
  • SDL 2.x for use as separate SDL version 2 window
  • wincon (formerly win32) for use on Windows Console
  • WinGUI for use on Windows Graphics Mode
  • X11 (also called XCurses) for use as separate X11 window
  • VT for use on terminal

Distribution Status

All files in this directory except configure, config.guess and config.sub are released to the Public Domain. config.guess and config.sub are under the GPL; configure is under a free license described within it.

Build Status

PDCursesMod is automatically build in multiple environments:

Build status Travis-CI , also providing artifacts: Build status Appveyor


Bill Gray p‮ôç.ötulpťcéjôřp@otúl‬m


Public Domain Curses - a curses library for environments that don't fit the termcap/terminfo model, modified and extended from the 'official' version




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