The Hall of Fame


We hope to have remembered everyone who ought to be mentioned here. If your name should be included, accept our apologies, and please tell us so we can correct the oversight!


Contributors

Acho A. Tang (acho at telus dot net).
Added a Sidewinder Precision Pro joystick driver to the DOS port.

Adrian Oboroc (doba at corefx dot com).
Wrote the LBM loader.

aj.
Reported many problems, suggested a lot of improvements to the documentation, added AMD64/IA64/SSE3 detection code, added DirectX 8 and 9 detection to the Windows port, added MSVC7 specific options to the makefile, cleaned up a C99-ism in makedoc, fixed a beep when alt+character was pressed in windowed mode in Windows and made TARGET_ARCH_EXCL also work with MSVC.

Alex Demko (alex_demko at mbnet dot mb dot ca).
Suggested lots of improvements to the datafile system and provided code for handling the 8x16 BIOS font format.

Alessandro Monopoli (almonopo at tin dot it).
Added the Italian translation of the system messages.

Andreas Kluge (bitland at aol dot com).
Wrote the Ensoniq Soundscape driver and fixed division bugs in the fix class.

Andrei Ellman (ae-a-alleg2 at wacko dot wackonet dot net).
Contributed the polygon_z_normal() function, suggested some additions to the docs, updated the Cygwin section in docs/build/mingw32.txt, got Allegro for MSVC to build with Cygwin, improved the performance of the hsv_to_rgb() function, corrected a rounding issue in hsv_to_rgb(), improved the exrgbhsv example and the Windows screensaver, fixed problems in the MSVC makefile when using Cygwin and did plenty of other things too.

Andrew Cottrell (andrewc at dbworld dot net dot au).
Changed the grabber to use a more robust (locale-independent) date format.

Andrew Ellem (krand at ican dot net).
Wrote the original version of the digital audio streaming code.

Andrew Geers (andy at geerswj dot clara dot net).
Added the -ppassword and -nosound options to the grabber, scrolling support in the image viewer and the flipped rotated sprite routines.

Andy Goth (unununium at openverse dot com).
Made the gfx_card config variable more flexible, added the 256x256 tweaked VGA mode, wrote the d_text_list_proc() dialog object and fixed the constructor support in dat2s on Unix.

Angelo Mottola (a dot mottola at libero dot it).
Added the BeOS joystick, MIDI and windowed graphics drivers, added mouse wheel, display switching and close button support for BeOS, wrote the DGA2 driver and close button support for X, contributed the bfixicon utility, added triple buffering support, a BWindow-based windowed driver and a fullscreen overlay driver to the BeOS port and reorganized its gfx subsystem. And, oh, contributed the QNX and MacOS X ports too.

Annie Testes (annie at kezako dot net).
Added font_height, render_char, char_length hooks to FONT_VTABLE, fixed several glitches in the unicode support, added a pack_fdopen() function, caught a misordering in the X system shutdown, fixed some device name strings, lifted several hardcoded length limitations in the configuration routines, added a mouse driver based on the event interface (EVDEV) to the Linux port, fixed numerous bugs and did plenty of other things too.

Anthony 'Timorg' Cassidy.
Made d_menu_proc fill up its assigned area with the gui_bg_color, updated required cygwin package list.

Antoine Mathys (mmathys at bluewin dot ch).
Added the Swiss keyboard mapping.

Anton Ragnarsson (anton dot ragnarsson at swipnet dot se).
Contributed the Swedish keyboard mapping table.

Antti Haapala (ztane at lyseo dot edu dot ouka dot fi).
Fixed the setup program to display the right frequency list for each type of soundcard and contributed the Finnish translation of the system messages.

Antti Koskipaa (antti dot koskipaa at nic dot fi).
Wrote the DOS driver for WSS (Windows Sound System) cards.

Arne Steinarson (arst at ludd dot luth dot se).
The fixed point square root routine came from his fix-float library.

Arthur Huillet (email unknown).
Fixed a typo in the docs.

Attila Szilagyi (attilabox at hotmail dot com).
Fixed SVGAlib horizontal scrolling.

Ben Chauveau (bendomc at worldnet dot fr).
Added support for Tseng ET6000 cards (now available as part of the FreeBE/AF project).

Ben Darnell (bdarnell at vnet dot net).
Put together the 2.11 release of Allegro while I was away from the net and wrote the original version of the Allegro FAQ.

Ben Davis (entheh at users dot sf dot net).
Added set_volume_per_voice(), made silent voices continue playing, fixed other minor bugs in the mixer, fixed a bug in create_rgb_table(), adapted polygon functions to handle two coincident vertices, added the set_window_close_button() and set_window_close_hook() framework, added support for timers with parameters under Windows, corrected several compilation warnings and documented the behaviour of pack_feof().

Benjamin Joel Stover (stovertech at intellisys dot net).
Wrote the initial version of the fullscreen X-Windows graphics driver.

Benny Colyn (email unknown).
Added a Dutch translation.

Bertrand Coconnier (bcoconni at club-internet dot fr).
Modified 3D polygones routines for subpixel and subtexel accuracy, made speed enhancements in these routines, fixed blending in C version of atex_lit scanline functions, added scanline subdivisions in C scanline functions and Z-buffer polygon functions and merged in Calin Andrian's P3D library.

8L45T3R (o8l45t3ro at users dot sf dot net).
Fixed a bug in arc() where small arcs would be drawn as circles.

Bobby Ferris (baf at bafsoft dot com).
Added the SciTE API output format to makedoc and temporarily hosted Allegro's SVN repository while SourceForge's SVN was in beta.

Burton Radons (loth at gec dot net).
Optimised the truecolor pixel blending function, converted the blenders to the new single-handler format, and added the range of Photoshop-compatible blender functions.

Calin Andrian (calin at ibd dot dbio dot ro).
Wrote the truecolor, MMX, 3DNow!, masked lit mode, translucent and Z-buffered polygon rendering routines, the clip3d_f() function and also the scanline sorting functions for 3D scene rendering, and his P3D addon library was merged in.

Calvin French (frenchc at home dot com).
Added the -w (always update) switch to dat.exe.

Carsten Schmidt (email unknown).
Wrote the the initial version of the Linux GGI driver.

Carsten Sorensen (csorensen at ea dot com).
Wrote the the ESS AudioDrive soundcard driver.

Catatonic Porpoise ().
Added OpenBSD detection, fixed an issue with executable rights not set on the memory for the i386 stretcher on UNIX systems, and fixed the documentation for stretch_sprite.

Cloud Wu (cloudwu at 263 dot net).
Optimised the truecolor pixel blending functions.

Charles Bilyue (Esaelon at aol dot com).
Optimized the i386 blitters and suggested to not force yielding timeslice with non-blocking menus.

Charles Wardlaw (kattkieru at yahoo dot com).
Fixed warnings with gcc 4 on MacOS X and helped resolve a problem with setAppleMenu under Tiger.

Chris Graham (chris_graham at postmark dot net).
Suggested to add a new flag for Windows NTFS compressed files.

Chris Jones (cj at jibblers dot plus dot com).
Fixed a bug with 16-bit samples loading, worked around a problem with DOS file attributes under Win2k, let the MIDI player pass controller events to the raw player by default, made the MIDI player handle the 'All Sound Off' controller message, added support for the bitfield compressed BMP image format, fixed the behavior of numeric keys when NumLock is on, and fixed loading of certain .wav files.

Chris La Mantia (celamantia at home dot com).
Wrote the d_radio_proc(), d_icon_proc(), and d_slider_proc() dialog objects, added the D_DISABLED flag, improved the GUI handling of different font heights, and added the right aligned text functions.

Chris Roberts.
Updated CMake build for BeOS/Haiku.

Chris Robinson (crobin_99 at yahoo dot com).
Wrote the fixed point clip3d() function, improved the performance of the DIGMID driver, implemented the digmid_set_pan function, rewrote part of the Allegro mixer, made the Allegro mixer the default one in Windows, improved the threaded UNIX timer code, helped improve responsiveness under X11, tweaked tests/play.c, added drawing primitives and video bitmap locking to the X11 port and did plenty of other things too.

Christer Sandberg (christer dot sandberg at mdh dot se).
Made dat2c work better with ISO C90 compilers, made dat2c correctly detect the native line ending, fixed a problem with the include guard generated by dat2c, fixed a bug in the 24-bit graphics code of fixup_datafile(), fixed a memory leak with datedit_exit, fixed a problem with Electric Fence.

Christian Schueler (cschueler at gmx dot de).
Changed the optimisation settings for better performance.

Daniel Nilsson (daniel7 at algonet dot se).
Enlarged the starfield in exstars, and fixed an incorrect range in exlights.

Daniel Schlyder (daniel at bitblaze dot com).
Fixed problems with get_executable_name() under Windows, another one with set_window_title() under BeOS, potentially unsafe constructs in the Windows code, the installall makefile target under Windows, added set_allegro_resource_path(), fixed make uninstall with mingw make, added ALLEGRO_LIB_BUILD flag for gcc variants not using configure, fixed a bunch of warnings in MinGW and did plenty of other things too.

Daniel Verkamp (i_am_drv at users dot sourceforge dot net).
Added a MIDI input driver to the Windows port and added support for .rmi MIDI files to the MIDI loader.

Dark Nation (email unknown).
Restored support for old-style encrypted packfiles, which had been removed in 4.1.18.

David A. Capello (dacap at users dot sourceforge dot net).
Made dotted_rect() avoid bank switches, fixed a problem with lost GUI mouse clicks, made d_menu_proc() steal/return focus when activated then deactivated, fixed a problem with submenus, fixed a bug with FLI frames containing odd-sized chunks, made makedoc write sub-section headings for .txt output, made override_config_file also be used for writing to the config file and did plenty of other things too.

David Kuhling (dkuelhin at hell1og dot be dot schule dot de).
Optimised the fsqrt() routine, and added fhypot().

Dave Physics.
Some documentation fixes.

Dave Thomson (gameskitchen at geocities dot com).
Added the RGB <-> HSV conversion routines, the autocrop function to the grabber and wrote the 3d starfield example program (exstars.exe).

David Calvin (calvid at rpi dot edu).
Wrote the original version of the sound setup utility.

David Cullen (dcullen7 at bellsouth dot net).
Added multiple bullets and extra lives to the demo game.

Deepak T (coolbool at gmx dot net).
Fixed clipping in three C sprite drawing routines.

Dennis Busch (email unknown).
Fixed a bug in d_clear_proc, fixed a Unicode bug in the mode selector, and fixed the short description of add_clip_rect.

Dmitriy Kazimirow (mariann at mail dot ru).
Provided the Russian keyboard mapping and message translation files.

Dominique Biesmans (Dominique dot Biesmans at ping dot be).
Wrote the mode-X version of draw_sprite() and the mode-X <-> linear blitting functions.

Doug Eleveld (D dot J dot Eleveld at anest dot azg dot nl).
Wrote the d_textbox_proc() dialog object and the new grabber help system.

Dustin Dettmer (dustin at mize dot org).
Spotted a typo in save_bitmap.

Edgar Reynaldo.
Helped fixing several problems with gfx_mode_select_filter(), pointed out two warnings, fixed two warnings in a loadpng example, provided mouse_on_screen(), get_gfx_mode_type() and get_gfx_mode() functions.

Eduard Bloch (edi at gmx dot de).
Fixed a freeze caused by the ESD detection code, fixed a bad behaviour of the config routines and suggested better ways to find the path to the executable on Unix.

Edward Boone (Lucien dot Boone at ping dot be).
Provided scancode mapping tables for the AZERTY keyboard layout.

Elias Pschernig (elias at users dot sf dot net).
Added a COLORCONV_KEEP_TRANS mode, contributed the wfixicon utility, contributed several enhancements to the grabber, fixed menu dimensions in the GUI engine, fixed the get_camera_matrix*() functions, added support for the CHM and Devhelp documentation formats, fixed a bug in midi_seek(), made load_datafile_object() load the object properties, made the GUI code scare the mouse more intelligently and did plenty of other things too.

Eric Botcazou (ebotcazou at libertysurf dot fr).
Made the DGA driver work better in 8bpp and 32bpp modes, improved the DirectX windowed driver and Windows graphics subsystem, partially revamped the Unicode API and added uszprintf(), added file_select_ex(), the unified al_find*() interface, an Unicode example, a new filetest, rewrote the fixdll script, revamped the Borland C++ build process, fixed lots of bugs and did plenty of other things too.

Erik Sandberg (eriksandberg at geocities dot com).
Optimised the 8 bit draw_sprite() and draw_trans_sprite() functions and helped with the Swedish message translation.

Erno Schwetter.
Fixed some bugs in the Linux console port and fixed a long-standing bug in the polygon() routine.

Etienne Vouga.
Fixed a bug with the reset_controllers MIDI command.

Ettore Perazzoli (ettore at comm2000 dot it).
Optimised the linear -> mode-X blitting function.

Evert Glebbeek (eglebbk at dds dot nl).
Put set_gfx_mode on a diet, added a config entry for specifying the card to be used for GFX_AUTODETECT_WINDOWED, added a '-fullscreen' switch to the grabber, cleaned up the grabber/plugins code, added various commands to the grabber, added the detection of SunOS/Solaris, added configure options for x86 processor optimisations on Unix systems, added the support for relative filenames and did plenty of other things too.

EvilTypeGuy (eviltypeguy at icculus dot org).
Cleaned up and fixed the RPM spec file for RedHat 9.

Fabian Nunez (faybs at iafrica dot com).
Added support for the CH Flightstick Pro and Logitech Wingman Extreme joysticks, 3-button mice, and the extended keys on a Microsoft keyboard.

Fabrizio Gennari (faybs at iafrica dot com).
Contributed the DB9 and TurboGraFXoystick drivers.

Francis Devereux.
Helped out with build issues on Mac OS X.

Francisco Pires (fmlvp at hotmail dot com).
Added an FPS counter and an option to disable vsync to the excamera example.

Francois Charton (deef at pobox dot oleane dot com).
Wrote the Paradise graphics driver (now available as part of the FreeBE/AF project), improved the VGA palette setting code and helped with the TexInfo conversion of the docs.

Frodo Baggins (l41273 at alfa dot ist dot utl dot pt).
Made the Portuguese keyboard mapping.

Garret Thomson (g at sirsonic dot com).
Wrote the music used in the demo game.

George Foot (gfoot at users dot sourceforge dot net).
Did a great deal of work on the Linux console version, wrote the AWE32 driver, added the MIDI pause/seek functions, provided the basis of the SoundFont reader used in the pat2dat utility, fixed the C fceil() function, added the ffloor() function and added non-FM support to the OSS MIDI driver.

Gorka Olaizola (olsago at jet dot es).
Added the Redhat RPM .spec file.

Grady Martin (shadygrady at budweiser dot com).
Fixed a bug in the handling of %n in the printf style text functions, added a move command to the grabber and standardised some of the grabber dialog boxes.

Greg Hackmann (hacker at ididitmyway dot com).
Contributed the Borland C++ Builder port.

Greg Lee (greg at ling dot lll dot hawaii dot edu).
Pointed out that Linux joystick driver should read all events.

Grzegorz Adam Hankiewicz (gradha at users dot sourceforge dot net).
Wrote several of the example programs, suggested the "compress" makefile target, translated the docs and system error messages into Spanish, suggested the idea of embedding the setup utility into other programs, wrote some documentation and corrected the .texi generation to improve texi2dvi output, improved the makedoc utility and contributed a new doc format, added reload_config_texts() and did plenty of other things too.

Grzegorz Godlewski (email unknown).
Contributed a Polish localization patch, and added support for lower and upper altgr tables.

Grzegorz Ludorowski (pajonk at ajax dot umcs dot lublin dot pl).
Wrote several of the example programs, and made the intro animation and graphics for the demo game.

Guilherme Silveira (thedarkage at geocities dot com).
Modified the file selector to only list valid drive letters.

Gunter Ladwig (gladwig at iname dot com).
Wrote the OS/2 detection routines and added the three-button mouse emulation.

Hans de Goede. Fixed a problem with dynamically generated stretcher code not being properly marked as executable on Linux, fixed a busy wait in the X11 vsync simulation, added a fullscreen driver for X11 which does not need XVidMode extension, fixed a problem where switching to fullscreen mode under X11, made digmid work with absolute pathes in patches.cfg, and fixed a problem with the Alsa driver on big endian systems.

Harshavardhana Reddy N (nharsha at gmail dot com).
Added a Kannada greeting to exunicod.

Haruhiko Okumura (email unknown).
Wrote the original version of the LZSS compression code. 12-2-404 Green Heights, 580 Nagasawa, Yokosuka 239, JP.

Hein Zelle (hein at icce dot rug dot nl).
Revamped the cross-compilation section of docs/build/mingw32.txt, clarified a requirement when cross-compiling from Linux, reworked the paragraph on the location of shared libraries under Unix in the docs and added a FAQ entry on the same subject.

Henrik Schmidt (hbs at ks dot informatik dot uni-kiel dot de).
Found a workaround for the switching problem under Windows, made gcc pass '-h' instead of '-soname' to the linker and replaced '-L' by '-h' in shell comparisons so as not to break on Solaris.

Henrik Stokseth (hensto at online dot no).
Contributed a native Mingw32 port which can also be built with a cross-compiler and the Cygwin compiler, much improved OS detection, added get_gfx_mode_list() and methods for querying the VGA, Mode-X, Xtended, VESA, VBE/AF and DirectX drivers for a list of possible GFX modes, rewrote the mode-selector to use get_gfx_mode_list(), reworked the build system many times and did plenty of other things too.

Hrvoje Ban (spoofer255 at gmail dot com).
Pointed out a bug in the mode selector, fixed several double ;'s, fixed ASSERT() in Windows, helped write a documentation section about common pitfalls, and added the create_datafile_index function.

Igor Gnip (gnipi at mindnever dot org).
Removed the requirements for fileutils on DOS/Windows platforms and added the detection of MSYS to the MingW32 port.

Isaac Cruz (icruzbal at teleline dot es).
Fixed a bug with accelerated drawing onto sub bitmaps of DirectDraw surfaces, added the GFX_DIRECTX_WIN driver, fixed a Windows sub bitmap locking bug, added Windows desktop_color_depth and yield_timeslice routines, and made extensive modifications to other aspects of the Windows code.

Ivan Baldo (lubaldo at adinet dot com dot uy).
Wrote the 15/16 bit dithering code and optimised the sprite rotation routines.

Jaime Moreno (daviangel at hotmail dot com).
Helped track down a problem with dependency generation in MacOS X.

Jakub Wasilewski (krajzega at meditech dot pl).
Fixed a bug when loading greyscale TGA images and contributed to the skater demo.

James Arthur (jaa at arfa dot clara dot net).
Documented the Photoshop-style truecolor blender routines.

James Hyman (frooge at mindless dot com).
Added support for quoted strings in the get_config_argv() function and the dithering code for paletted images.

James Lohr (email unknown).
Fixed a problem with mouse acceleration in fullscreen modes under Windows.

James Ponder (james at squish dot net).
Suggested to remove the DJGPP makefile from the Unix tar archive and clarified a requirement when cross-compiling from Linux.

Jan Bruun Andersen (jba-dk at users dot sourceforge dot net).
Fixed a compilation problem with Cygwin.

Jan Hubicka (hubicka at horac dot ta dot jcu dot cz).
Vastly improved the speed of the create_rgb_table() function.

Jason Wilkins (fenix at io dot com).
Wrote the quaternion math routines and contributed the BeOS port.

Javier Gonzalez (xaviergonz at hotmail dot com).
Corrected mouse movement speed, made allegro_message() use title from set_window_title(), added close button hook support and improved switching in Windows, fixed bad clearing of subbitmaps, made bug reports and suggestions for improvement, contributed bidirectional looping support, backward playing support and bugfixes for the DirectSound driver and did plenty of other things too.

Jeff Mitchell (email unknown).
Fixed the location of grabber.txt in the spec file.

Jeremiah Blanchard (squirminworm at yahoo dot com).
Contributed modifications in order for Allegro to build on Darwin/MacOS X and updated the build instructions for this new port afterwards.

Jim Flynn (jflynn at pacbell dot net).
Removed floating point calculations from the AWE32 MIDI driver.

Jim Grainger (Grainger_Jim/world_europe_samuro_WYN-CTV at samsung dot co dot kr).
Spotted a broken link in the docs and updated it.

Jiri Gabriel (email unknown).
fixed loading of multiple ranges in a single bitmap with txt fonts and helped fix an off-by-one mistake for the last glyph in extract_font_range.

Joaquin Hierro Diaz (Joaquin dot Hierro dot Diaz at fresno dot csic dot es).
Made the mapping table for Spanish keyboards.

Joerg Rueppel (sharky-x at gmx dot net).
Added more flexible wildcard matching for object names in dat.exe and the find_datafile_object() function.

Johan Peitz (d98peitz at dtek dot chalmers dot se).
Fixed and enhanced the Win32 joystick driver, and contributed the 'Alex the Allegator' icon.

Johan Venter (leonjventer at bigpond dot com).
Fixed some problems with the RSXNT and Mingw32 makefiles.

John Holden (johnh at psych dot usyd dot edu dot au).
Fixed a bug in load_wav().

John Utz (Johnut01 at noa dot nintendo dot com).
Corrected a wrong assumption about the VRAM layout in the Linux framebuffer console driver.

Jon Rafkind (workmin at ccs dot neu dot edu).
Added more ASSERTs to the code, implemented the Cohen-Sutherland clipping algorithm for the line() function and supplied an m4 macro for allegro. Also fixed a problem with allegro-config. Implemented draw_sprite_ex() function.

Jonas Petersen (joXonoX at berlin dot snafu dot de).
Added the save_bmp() function and support for the OS/2 BMP format.

Jonathan Tarbox (jonattar at rocketmail dot com).
Wrote the mode-X setup code, the FLI/FLC player and contributed parts of the joystick handler.

Jorrit Rouwe (j dot rouwe at cpedu dot rug dot nl).
Provided a new and much cooler set of FM instrument definitions for the Adlib MIDI driver.

Jose Antonio Luque (skylord at LatinMail dot com).
Improved the Windows joystick driver, and optimised the 16-bit blit() and masked_blit() functions.

Joshua Heyer (joshua_heyer at yahoo dot com).
Wrote the original version of the OSS sound driver.

J. P. Morris (email unknown).
Fixed a bug rest_callback under unix.

Julien Cugnière (jcugniere at free dot fr).
Improved the support for non-blocking menus, fixed a bug related to the retrieval of the inital volume when no primary buffer was present under Windows, fixed the crash on exit with the aRts sound driver, added an X11 message box for allegro_message under X11 and fixed a crash in the GUI when a dialog was opened while a menu was still open.

Kalle Toivonen (allegro at korpiq dot iki dot fi).
Fixed a bug in _parallelogram_map().

Keith Gerdes (kwg at softhome dot net).
Fixed the DirectDraw overlay mode driver.

Kerry High (khigh01 at umr dot edu).
Contributed the SNES joypad driver.

Kester Maddock (dmaddock at xtra dot co dot nz).
Wrote the Wingman Warrior joystick driver.

Knut Pape (Knut_Pape at t-online dot de).
Improved the Mingw32 readme file.

Kronoman X (kronoman_x at hotmail dot com).
Added a FAQ entry about the conflict between Allegro headers and the C++ 'using' directive.

Krzysztof Krzyzaniak (eloy at arrakis dot cs dot put dot poznan dot pl).
Wrote the load_voc() function.

Laurence Withers (lwithers at users dot sf dot net).
Added destroy hook to font structure, worked on const-correctness throughout the library, implemented the new FONT structure, made some modules avoid linking dependencies, contributed the dat2c utility, added two fixed point ratios for converting to and from radians, added a '-windowed' switch to the grabber, added a new text API and did plenty of other things too.

Lee Killough (email unknown).
Added the low-level hook routine to the keyboard handler and fixed a couple of bugs.

Lennart Rolland (chimeni at hotmail dot com).
Contributed the Norwegian message translation.

Lennart Steinke (lst at steinke dot net).
Added the exconfig example, contributed keyboard layout detection code for Windows and suggested the true colour font rendering.

Lisa Parratt (lisa at thecommune dot org dot uk).
Contributed the SGI Audio Library sound driver, spotted a BSDism that IRIX doesn't like at all, added IRIX detection and improved the performances of the SGI audio driver

Lorenzo Petrone (looris at gmail dot com).
Contributed the gfxinfo utility, added two FAQ entries, added a xwin_set_window_name() function to the X11 port, added support for switch callbacks under X11 and refactored the display switching code.

Lucas Vignoli Reis (lucasvr at bestway dot com dot br).
Added the Portuguese (Brazil) message translation and keyboard mapping.

Magnus Henoch (mange at freemail dot hu).
Made the gfx mode selector keep the current selection as much as possible and fixed a problem when compiling without 8bpp support.

Maiolino Carmelo (cmaiolino at ctonline dot it).
Added the Italian keyboard mapping table.

Manni Heumann (manfred dot heumann at uni-bielefeld dot de).
Fixed some problems with the German keyboard mapping table.

Marcel de Kogel (m dot dekogel at student dot utwente dot nl).
Not content with fixing my broken MPU-401 driver, Marcel went on to provide a set of vastly improved drum sounds for the OPL driver, to help me sort out some problems with reentrant interrupts, to supply the half of the joystick code that didn't come from Jonathan and to locate a stupid mistake in my VESA linear framebuffer code.

Marcel Smit (marcel dot athlon at hccnet dot nl).
Corrected a bug that caused errors when drawing persp. correct polygons facing the screen, corrected an error in the packfile format write-up and made the show_video_bitmap() method of the Windows windowed driver wait for a vsync.

Márcio Fialho (maaf1980 at yahoo dot com dot br).
Fixed several issues with the DJGPP port and the VBE/AF driver and fixed some bugs related to author credits.

Marco Campinoti (marco at etruscan dot li dot it).
Added 15 and 24 bit support to the native Tseng ET4000 driver (now available as part of the FreeBE/AF project).

Marco Marmulla (Viper005 at usa dot net).
Added 16 bit support to the load_voc() routine.

Marian Dvorsky (marian at step dot sk).
Wrote the Windows GDI interface routines.

Marius Fodor (iceman at teleport dot com).
Added support for the Sidewinder and Gravis GamePad Pro.

Marek Habersack (grendel at ananke dot amu dot edu dot pl).
Did the original Linux console port (brave man: this was the first ever work done on porting Allegro away from DOS), which is the basis of the code we are still using today and added support for the more recent Trident chipsets (now available as part of the FreeBE/AF project).

Mark Keller.
Reported two minor mistakes in the manual.

Mark Wodrich (mwodric at eleceng dot uct dot ac dot za).
The brain behind sub-bitmaps, flicker-free mouse pointers, and the ability to import GRX .FNT files into the grabber.

Markus F.X.J. Oberhumer (markus dot oberhumer at jk dot uni-linz dot ac dot at).
Fixed the Video-7 scrolling function (now available as part of the FreeBE/AF project), optimised the color mapping routines, and made many useful suggestions like the addition of a vid_phys_base field to the graphics driver structure.

Martijn Van Lersel (amarillion at yahoo dot com).
Fixed an overflow in create_light_table().

Martijn Versteegh (m dot versteegh at hccnet dot nl).
Added the config hook extension mechanism.

Mathieu Lafon (mlafon at ifhamy dot insa-lyon dot fr).
Added the French keyboard mapping, support for the Pause/PrtScr keys and changed the key[] table to a normal/extended bitfield.

Matt Witherspoon (spoon at vt dot edu).
Fixed a bug in the scroll() method of the Linux SVGAlib driver.

Matthew Bowie (catcat at nmt dot edu).
Added support for 4-button joysticks.

Matthew Leverton (matthew at allegro dot cc).
Fixed a bug with mouse mickeys in windowed mode under Windows, fixed a problem with al_find*() and NTFS partitions under Windows, added missing header files to be installed by the Windows binary distribution, made the DOS/Windows makefiles use 'copy /B' instead of 'copy', added the detection of left-hand mouse configuration under Windows, fixed a bug with pack_fgets(), made an online diff generator and did lots of other things too.

Matthew Smith.
Fix a bug in C locking code in GDI.

Maxime Carey (werfu at users dot sourceforge dot net).
Contributed the Canada (French) keyboard mapping file.

Michael Bevin (michael dot bevin at stonebow dot otago dot ac dot nz).
Optimised the create_trans_table() function.

Michael Bukin (M dot A dot Bukin at inp dot nsk dot su).
Ported the whole thing to Unix/X, and contributed a _lot_ of patches to improve the portability, robustness, and performance of pretty much the entire library.

Michael Faerber.
Pointed out a mistake in the documentation for text_height().

Michael Jensen.
Fixed a mistake in the documentation for is_compatible_font.

Michael Rickmann (mrickma at gwdg dot de).
Ported the Windows code to Mingw32.

Michael Tanczos (webmaster at logic-gate dot com).
Fixed some bugs in the FLIC player.

Michal Mertl (mime at eunet dot cz).
Wrote all the 24 bit graphics code, the optimised palette generation function and a fair amount of the other truecolor stuff too (bitmap scaling, image loading, etc).

Michal Molhanec (molhanec at seznam dot cz).
Simplified the build instructions for Dev-C++, replaced all occurences of MingW32 by MinGW in the docs, added an faq section about the giftware license, fixed problems with long filenames when building for MSVC, corrected a problem with the Watcom port, added MSVC7 options to the makefile, fixed a linker problem with the MSVC port, fixed some const warnings in the grabber code and did plenty of other things too.

Michail Pishchagin (mblsha at users dot sourceforge dot net).
Contributed the ustrnicmp() function.

Milan Mimica (milan dot mimica1 at pu dot htnet dot hr).
Fixed bugs in the keyconf utility, the alsa 9 volume settings and extract_font_range(), helped fix an off-by-one mistake for the last glyph in extract_font_range, fixed a bug where a font would be converted to 8 bit, a bug with is_color_font, made the Linux console driver more robust, fixed some spin loops in the test program, and added the get_volume and get_hardware_volume functions, and did plenty of other things too.

Miran Amon (miran dot amon at gmail dot com).
Fixed an undocumented arbitrary limit in get_config_argv() and contributed to the skater demo.

Nathan Albury, aka Rubicant (gt4558a at prism dot gatech dot edu).
Improved the fire routine in examples/exflame.c (my original version didn't really look very much like flames :-) and gave me some extremely useful ideas about how to implement translucency.

Nathan Smith (white_door at dread dot nl).
Implemented the recursive handling of directories for the dat utility.

Neil Townsend (neil at robots dot ox dot ac dot uk).
Improved the accuracy of the timer routines and added the callback parameters.

Neil Roy (neilroy at cogeco dot ca).
Suggested many improvements to the documentation.

Neil Walker.
Implemented a hardware accelerated stretch_blit() for the Windows DX port, and fixed a bug with draw_sprite and sub-bitmaps.

Nicholas Davies (master_goodbytes at hotmail dot com).
Made the fix class not trigger warnings with gcc -Weffc++ and contributed to the skater demo.

Nick Kochakian (nickk at worldnet dot att dot net).
Wrote the DirectSound input driver.

Ole Laursen (98zOLaw at aalborghus dot dk).
Contributed the Danish keyboard mapping table and system message translation, and made the Unicode utolower() and utoupper() functions understand the entire 16 bit character set.

Olivier Blin (oblin at mandriva dot com).
Fixed compilation problems for the ModeX driver.

Olly Betts (olly at muscat dot co dot uk).
Modified the djgpp makefile to support cross-compiling on a Linux machine.

Omar Cornut (cornut at noos dot fr).
Spotted an asm locking bug under Windows, bumped the maximum number of buttons per joystick to 32, fixed the Windows joystick driver to handle a weird peculiarity of the DirectInput API and improved the handling of KEY_COLON2 on Japanese keyboards.

Oscar Giner (O_giner at hotmail dot com).
Added the Catalan translation, corrected the Spanish translation, fixed a bug with binary data exporting in the grabber and fixed a conflict between the magic main and the MFC.

Owen Embury (owen at gememail dot demon dot co dot uk).
Wrote part of the translucency/lighting code.

Owen Rudge (alleg at orudge dot freeuk dot com).
Contributed a DLL version resource script and the mkdata.bat script.

Ove Kaaven (ovek at arcticnet dot no).
Fixed a bug in the ATI mach64 driver (now available as part of the FreeBE/AF project), added native truecolor and linear framebuffer support to the ATI driver, contributed the Norwegian keyboard mapping, and added MIDI and sample input features to the MPU and SB drivers respectively.

Paavo Ahola (email unknown).
Helped fix a problem with BCC and the C implementations of fixmul.

Patrick Hogan (patter at iname dot com).
Wrote the draw_gouraud_sprite() function, and made Windows audiostreams work properly.

Paul Bartrum (bartrum at xtra dot co dot nz).
Contributed the ellipse drawing functions.

Paul Eipper.
Reported a bug where libdir from autotools was not used for the modules path.

Paul Furber (paul at sprintlink dot co dot za).
Provided the floating point apply_matrix_f() function.

Paul Hampson (Paul dot Hampson at Pobox dot Com).
Improved and fixed some problems in the SNES gamepad driver.

Paul Pinault (diskaleg at infonie dot fr).
Translated the system error messages into French.

Pavlos Touboulidis (gtoub at otenet dot gr).
Made file_select() able to include or exclude files based on their attributes.

Pedro Cardoso (pcardoso at viriato dot ipv dot pt).
Contributed the tweaked 80x80 VGA mode.

Peter Cech (7cech at nw dot fmph dot uniba dot sk).
Added grabber support for the 8x8 BIOS font format, support for hot-swapping between a custom keyboard layout and the standard US mapping, optimised the alpha sprite blending routines and added non-ASCII space recognition to uisspace().

Peter De Wachter.
Made the ALSA driver work for hardware which does not support unsigned samples.

Peter Hull (peterhull90 at users dot sourceforge dot net).
Made the file selector work with directories that have more than 2048 files, solved some compiling issues on MacOS X, fixed a bug in rest() that caused it to wait too long on that platform, fixed several problems with the hardware mouse cursor, fixed a deadlock in the software mouse updating code, fixed compilation problems under MacOS X tiger, added a MacOS X helpfile and did plenty of other things too.

Peter Johansson (email unknown).
Reported a problem with system cursors not working in Windows.

Peter Monks (pmonks at iname dot com).
Wrote the Video-7 graphics driver (now available as part of the FreeBE/AF project) and showed me how to set up the unchained 640x400 mode.

Peter Palotas (blizzar at hem1 dot passagen dot se).
Added the keyboard callback routine.

Peter Pavlovic (Peter dot Pavlovic at st dot fmph dot uniba dot sk).
Added the Slovak keyboard mapping and message translation, stopped the DOS file selector from listing virtual drives, did the same for the Windows file selector, improved the support for accented character maps in the keyboard driver and made aesthetic modifications to the GUI menu system.

Peter Puck (zaqhaq at netscape dot net).
Helped with the Mingw32 native build.

Peter Wang (tjaden at users dot sourceforge dot net).
Added the mouse_z wheel input support to the Linux code, fixed problems with the ESD sound driver, wrote the ALSA sound driver, wrote the BeOS sound driver, added OSS MIDI and sample input support, added banked mode support to the SVGAlib driver, wrote the X DGA mode switching code, improved the Linux joystick driver, X11 fullscreen, DGA2 and DGA driver, added pthread timers under Linux/Unix and did loads of other things too.

Phil Frisbie, Jr. (pfrisbie at geocities dot com).
Wrote the CPU type detection code.

Phil Krylov.
Fixed a bug in load_bios_font().

Phil Shenk (email unknown).
Improved the MSVC build instructions.

Philipp Thomas (pthomas at suse dot de).
Fixed all comparisons between signed and unsigned types, fixed compilation on x86-64, fixed all function prototypes, converted the configure machinery to autoconf 2.53 or later and added multi-arch support, DESTDIR support and the German translation to the RPM spec file.

Przemek Podsiadly (ppodsiad at elka dot pw dot edu dot pl).
Added hicolor versions of the 3d polygon code.

Revin Guillen (revin at phylo dot com).
Added the position_dialog() function.

Richard Davies (richard at debaser dot force9 dot co dot uk).
Added support for PSX and N64 joypads.

Richard Mitton (100740 dot 1271 at compuserve dot com).
Added support for 6-button joysticks, and wrote the 12-bit color example program (ex12bit.c).

Richard Reeve (r dot e dot reeve at stir dot ac dot uk).
Fixed a silly mistake with gcc 3.0.x detection.

Rikard Peterson.
Fixed a small problem with the Mac OS X joystick driver.

Robert J. Ragno (rjr at mit dot edu).
Wrote the Gravis GrIP driver, made some improvements to the Wingman, PSX and throttle input code.

Robert J. Ohannessian (voidstar at ifrance dot com).
Added MMX optimisation for the 8 and 16-bit clear() functions, fixed bad clearing of subbitmaps, added SSE detection and optimised some masked blits with SSE instructions, added some routines to the unified color convertor and made some of them more robust, fixed the docs for pivot_scaled_sprite_v_flip(), revamped the retrieval mechanism of CPU capabilities, separated the CSS file and did plenty of other things too.

Robert Riebisch.
Fixed some warnings from gcc 4.x on VESA and VBE/AF drivers.

Roberto Alfonso (rpgrca at labint dot frba dot utn dot edu dot ar).
Fixed a couple of memory problems in the dat2c utility, added an srand() call in the demo game, made the MSVC port call `link /lib' rather than `lib', fixed several warnings with GCC 4 under DJGPP and fixed a grabber crash when importing a font range in an existing font.

Robin Burrows (rburrows at bigfoot dot com).
Provided a new page flipping code for the DirectDraw subsytem, added a Windows sound driver using the Allegro mixer and another using waveOut, fixed two glitches in the DirectDraw code.

Romano Signorelli (romanos at bigfoot dot com).
Added an arc plotting routine.

Ron Novy
Made several improvements to the test program.

Ronaldo Hideki Yamada (r dot yamada at uol dot com dot br).
Contributed the MacOS 9 port of Allegro.

Ryan Patterson.
Made various documentation fixes and fixed a crash in free_config_entries.

S.Sakamaki (emt at geocities dot co dot jp).
Added the VESA 3.0 refresh rate control code.

S.Suzuki (s-suz at sunfield dot ne dot jp).
Wrote the IF-SEGA /PCI, /PCI2, and /ISA joystick interface drivers.

Salvador Eduardo Tropea (salvador at inti dot edu dot ar).
Improved the keyboard routines (better handling of extended scancodes, keyboard LED support, capslock and numlock, and alt+numpad input), contributed the 320x100 VGA graphics mode, added support for proper 16 bit sample mixing, fixed compilation on gcc 3.x and made numerous other useful suggestions, contributions and bugfixes.

Sam Hocevar (sam at zoy dot org).
Fixed a Bashism in fix.sh that makes Solaris' sh choke, a race condition in the mixer under Unix w/ threads, Windows, BeOS and MacOS X, a crash in makedoc, made it possible to put functions from .s sources in a shared library under Unix and removed deprecated use of several functions.

Santeri Saarimaa (gridle at mbnet dot fi).
Made the Finnish keyboard mapping.

Sask Allegro (sask_allegro at iespana dot es).
Added support for more than two joysticks in the Windows port.

Scott Harrison (scotth at calderauk dot com).
Added the OpenDOS detection code.

Sean Gugler (sean at epal dot com).
Added the set_leds() function.

Seunghwan Ji (email unknown).
Made makedoc output correct html and rtf files for Korean.

Serge Semashko (serge at lxnt dot info).
Fixed a bug with the letter P in the Russian keyboard configuration file, added Enter as a fire key to the demo game, fixed some problems with Allegro working on Nokia 770, and fixed a crash in _linear_draw_trans_rgba_rle_sprite24.

Seymour Shlien (seymour at dgbt dot doc dot ca).
Contributed the Windows BMP file reader, bezier spline drawer, and justified text plotting function.

Shawn Hargreaves (shawn at talula dot demon dot co dot uk).
Progenitor. Wrote everything that wasn't written by somebody else.

Shawn Walker (binarycrusader at gmail dot com).
Several fixes to the .spec file, made get_executable_name use getexecname() under Solaris, fixed a bug in the keyboard driver that caused crashes on the same system, worked around errors with some versions of GNU AS and fixed errors in the configure script when not using GCC

StApostol (stapostol at gmail dot com).
Fixed a bug in the exflame example and updated the FAQ to use rest(0) instead of yield_timeslice().

Stefan Eilert (seilert at rz dot Uni-Osnabrueck dot DE).
Added support for a second joystick.

Stefan Schimanski (1Stein at gmx dot de).
Wrote the original Windows version pretty much single-handedly.

Stefan T. Boettner (virtual dot man at t-online dot de).
Wrote the Linux SVGAlib driver.

Stepan Roh (src at srnet dot cz).
Added a Czech keyboard mapping and system message translation, the Latin Extended-A characters in the default font, the codepage support in the textconv utility, fixed some problems with the ESD sound driver, helped make Allegro build better on some Unix platforms, fixed const related problems in C versions of routines and added support for a automake-style DESTDIR variable in the Unix makefile.

Stephan Brauss (sbrauss at optronic dot ch).
Made a few fixes to let the Linux port compile again on Linux 2.2.x, corrected a few nits in the Swiss keyboard configuration file and added new keysyms to the X11-to-BIOS conversion table in order to catch missing keycodes for the keypad when NumLock is on.

Stephen Kittelson (stickman2000 at juno dot com).
Made bugfixes and tweaks to the keyboard system.

Stijn Wolters.
Clarified the documentation of init_dialog.

Sveinung Kvilhaugsvik(email unknown).
Pointed out that Allegro should respect DESTDIR under MacOS X.

Sven Sandberg (svens at it dot uu dot se).
Fixed a problem with save_bitmap() rounding the image widths, optimised the create_light_table() function, optimised the fixed point trigonometric routines, provided the Swedish message translations, improved the file selector sorting algorithm, optimised the spline routines, added ustrrchr(), improved the usprintf() handling of floats, changed the Z-buffer API, and did plenty of other things too.

TBD/FeR (tbd at usa dot net).
Added the 320x600 and 360x600 resolutions to the mode-X driver.

Teijo Hakala (teijo dot hakala at imnetti dot fi).
Added wheel support to the Windows mouse driver.

Tero Parvinen (Tero dot Parvinen at hut dot fi).
Designed most of the new sound API.

Theuzifan Sumachingun (uzi at simauria dot upv dot es).
Improved the cpu detection for Cyrix chips and made the file selector only list valid drive letters.

Thomas Fjellstrom (tfjellstrom at home dot com).
Wrote the ALSA 0.5.x MIDI driver and added support for ALSA 0.9.x.

Thomas Harte (email unknown).
Helped fix a bug in show_video_bitmap() on MacOS X, helped optimise fixmul(), helped find many bugs in the MacOS X port, like better support for user-supplied Nibs, implemented a hardware accelerated stretch_blit under DirectX, fixed a bug with draw_sprite and sub-bitmaps and contributed to the skater demo.

Thomas Klausner (wiz at danbala dot ifoer dot tuwien dot ac dot at).
Added NetBSD detection and fixed a problem with the allegro.m4 macro and automake 1.8+.

Thomas Wolf (two at chello dot at).
Corrected some errors in the German keyboard mapping and added the German translation of the system messages.

Tim Bird (tbird at caldera dot com).
Worked on the Linux console port.

Tim Gunn (timgunn at eastwind dot com dot au).
Wrote the TGA reading/writing routines.

Timothy Terriberry (sundance at sprintmail dot com).
Fixed several bugs in the RGB <-> HSV conversion routines.

Tobi Vollebregt (email unknown).
Spotted a bug in ustrerror(), which was not returning a pointer to a static buffer, reported a problem with shutdown_dialog() when a menu was open, helped port the Windows keyboard driver to Windows 98 and fixed a bug with hardware cursor detection in X11.

Tobias Dammers.
Fixed a problem with the DirectSound input driver.

Tom Breton (tob at world dot std dot com).
Added the functionality selection #ifndefs to allegro.h.

Tom Novelli (tnovelli at cyber3 dot servtech dot com).
Wrote the original version of the digital MIDI driver.

Tom St Denis (tomstdenis at yahoo dot com).
Fixed clipping of transparent objects.

Tomohiko Sugiura (tmsugi at d4 dot dion dot ne dot jp).
Added the KEY_ABNT_C1, KEY_YEN, KEY_KANA, KEY_CONVERT, KEY_NOCONVERT and other keys to the input handler, organised getting the IF-SEGA joystick drivers by S.Suzuki merged into my codebase and added a more aggressive Sidewinder joystick driver.

Tore Halse (gnolam at gmail dot com).
Made Allegro windows always popup centred in Windows and made fixes to the documentation.

torhu.
Fixed an out-of-bounds error in akaitest.

Trent Gamblin.
Implemented set_mouse_speed under X11, fixed the C version of stretch_blit and made the fullscreen DirectX driver save and restore the palette on switching away.

V Karthik Kumar (karthikkumar at gmail dot com).
Added a Tamil language greeting to exunicode, added switches to use the Intel compiler in Windows and added a password option to the Windows screensaver example. Also fixed a problem with allegro-config.

Victor Williams Stafusa da Silva (vwss1984 at yahoo dot com dot br).
Changed a few occurences of "256" to PAL_SIZE and made OS type detection handle Windows 2003 and Windows Vista.

Ville Skyttä (scop at users dot sourceforge dot net).
Fixed a problem with make install libdir= and modules on Unix systems.

Vincent Penquerc'h (lyrian at kezako dot net).
Added the D_DIRTY flag and mouse button press/release events to the GUI system, optimised the 256 to truecolor blitting code to avoid repeated conversions of the palette table, added scare_mouse_area(), added the yield_timeslice() function, added the update selection function to the grabber, added the XCRP and YCRP properties to datafiles in general, implemented the big header split and did plenty of other things too.

Vitaliy Chetverikov (email unknown).
Fixed a bug in the GUI where the return value of MSG_IDLE was ignored.

VolkerOth (VolkerOth at aol dot com).
Integrated the concepts of scrolling and edit_proc objects.


Thanks!

First, a big thank you to all the people who help me test and debug this code. It sometimes gets frustrating to receive hundreds of messages saying "it doesn't work!", but they are useful all the same...

Andre Baresel (baresel at informatik dot hu-berlin dot de), and Craig Jackson (Craig dot Jackson at launchpad dot unc dot edu), provided a tremendous amount of information about SB hardware.

Benji York (Benji at cookeville dot com).
Provided hardware information for the Gravis GamePad Pro.

Charles Mac Donald (cgfm2 at hooked dot net).
Showed me how to set some cool tweaked VGA and mode-X resolutions.

Charles Sandmann (sandmann at clio dot rice dot edu), DJ Delorie (dj at delorie dot com), Eli Zaretskii (eliz at is dot elta dot co dot il), and everyone else who has contributed to djgpp. I love it.

C. Schwerdtfeger (schwerdt at physics dot ubc dot ca), for his help (and enourmous patience!) in getting the SB Pro-I MIDI driver to work.

Finn Thoegersen, Nordbanevej 3 C, DK-7800 Skive, Denmark.
Most of my SVGA hardware information came from his VGADOC package.

Eric Jorgensen (smeagol at rt66 dot com).
Varmint's Audio Tools (VAT) gave me many useful ideas about how to play MIDI files.

Jamie O'Connell (JamieOConnell at msn dot com).
Several of the new Adlib drum patches, and the specifications for the .IBK file format, came from his SBTimbre package.

Jean-Paul Mikkers (mikmak at stack dot urc dot tue dot nl).
MikMod was the source of a lot of information about programming the SB, and also gave me the idea of dynamically reprogramming the PIT to get a really high resolution timer.

Joel H. Hunter (jhunter at kendaco dot telebyte dot com).
His SB library for djgpp is excellent, and helped me a lot.

John Pollard (74723 dot 1626 at compuserve dot com).
The FM instrument definitions are based on his MID-KIT library.

Kendall Bennett and all the other cool people at SciTech Software.
These guys gave the world UniVBE, the VBE/AF API, and a lot of free information and example code. Plus they very kindly sent me a copy of the VBE/AF spec when I wanted one.

Kris Heidenstrom (kheidens at actrix dot gen dot nz).
His PC timing FAQ was a big help.

Mark Feldman.
It goes without saying that the PCGPE was an invaluable resource.

Michael Abrash.
You just gotta love that man...

Paul Fenwick (bg914 at freenet dot carleton dot ca).
Various bits of the mode-X code (notably the split screen stuff) came from his XLIBDJ library.

powerjaw (powerjaw at dnai dot com).
Sent me a Sidewinder gamepad so I could fix some problems with the driver for it. What a cool thing to do...

Robert Grubbs (rwgrubbs at vt dot edu).
Provided hardware information for the Sidewinder joypad.

Robert Schmidt (robert at stud dot unit dot no).
The register values for the 400x* mode-X resolutions came from his TWEAK program.

Sourceforge.net (http://sourceforge.net/).
The Allegro community has been using their services (web, mailing lists, CVS, Subversion, etc) since 3.9.x WIP versions.

Tom Grandgent (tgrand at canvaslink dot com).
Organised and hosted the original Allegro mailing lists for many years. Hurrah!

Vladimir Arnost (xarnos00 at dcse dot fee dot vutbr dot cz).
Provided hardware specs for the OPL3 chip.

Frank Zappa, Mike Keneally, Pink Floyd, the Doors, Tori Amos, and all the other great musicians who provide me with things to listen to while I am programming.

My parents, John and Nancy.
I would never have made it through all those late night coding sessions without the cafetiere they gave me last Christmas :-)


By Shawn Hargreaves, Allegro creator.