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mjoytest(3)                   Svgalib User Manual                  mjoytest(3)



NAME
       mjoytest - test the svgalib joystick package in graphics mode

SYNOPSIS
       mjoytest [-j joystick] [[-m] video mode]


DESCRIPTION
       This demo program utilizes joysticks 0 and 1 in graphics mode.

       If  you  specify a joystick number, only this is used. The demo separates the screen in two parts where you can
       move a cursor around with the resp. joystick. Pressing button 2 changes the color, pressing button 1 draws.

       It also prints the current joystick position to the screen.

       Internally the demo also shows the use of custom joystick handlers and how to recalibrate a joystick in  graph-
       ics mode (press key <1> and <2> respectively.

       After the demo runs and the joysticks are initialized it is possible to share the joysticks with another appli-
       cation (as long as it releases the joysticks upon a VC switch as well).

       Pressing <Q> exits.


BUGS
       After a vc switch the demo occasionally hangs in vga_waitevent(3) not timing out (hence the  joysticks  block).
       It is not clear if it is a conceptional problem or bug in vga_waitevent(3) or the kernel.  Simply press any key
       to revive the demo.


NOTES
       This demo is part of svgalib and can be found in the demos/ subdirectory of the original svgalib  distribution.
       However, it is not installed in the system by default, s.t. it is unclear where you can find it if your svgalib
       was installed by some linux distribution. Even then, when you have the demo on your system, you probably  won't
       have the sources s.t. it is only of limited use for you.

       In  case  of  any such problem, simply get an svgalib distribution from the net. You even don't need to install
       it. Just make in the demos/ subdirecty. As of this writing, svgalib-1.3.0.tar.gz is the latest version and  can
       be    retrieved   by   ftp   from   sunsite.unc.edu   at   /pub/Linux/libs/graphics   and   tsx-11.mit.edu   at
       /pub/linux/sources/libs which will most probably be mirrored by a site close to you.


CAVEATS
       The functions used by this demo are only available in ELF versions of svgalib. Due to  backwards  compatibility
       issues it cannot be used with shared a.out libs.


SEE ALSO
       svgalib(7),  vgagl(7),  libvga.config(5),  threed(6),  accel(6), bg_test(6), eventtest(6), forktest(6), fun(6),
       keytest(6), scrolltest(6), speedtest(6), spin(6), testaccel(6), testgl(6), testlinear(6), vgatest(6), plane(6),
       wrapdemo(6),    vgatest(6),   joytest(6),   joystick_init(3),   joystick_close(3),   joystick_update(3),   joy-
       stick_sethandler(3),  joystick_setdefaulthandler(3),  joystick_getnumaxes(3),  joystick_getnumbuttons(3),  joy-
       stick_getaxis(3),    joystick_getbutton(3),   joystick_button1(3),   joystick_getb1(3),   joystick_x(3),   joy-
       stick_getx(3).


AUTHOR
       The svgalib joystick handler was mostly done by Daniel Engstr\"om <daniel.engstromATriksnett.no>.  Multiple joy-
       stick,  VC switching support and code to glue it into svgalib by Michael Weller <eowmobATexp-math.de>.
       Part of the code is based on code from C. Smith and Vojtech Pavlik.



Svgalib 1.3.0                    14 April 1998                     mjoytest(3)