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keytest(6)                    Svgalib User Manual                   keytest(6)

       keytest - tests the svgalib raw keyboard functions


       A  program  to  test  the  low-level keyboard interface. This uses basic VGA functionality (or an svga mode you
       specify). Works only in 256 color modes.

       Cursor keys or keypad <1>, <2>, <3>, <4>, <5>, <6>, <7>, <8>, and <9> move the cursor.  Keypad <0>  or  <Enter>
       changes color.  <Q> or <Ctrl>-C quits. (autoquit after 60 seconds).

       Note  that  the svgalib diagonal <7>, <9>, <1>, and <3> keypad keys emulation is flawed in that it emulates the
       vertical/horizontal keys. If one of these is pressed too, it's release confuses svgalib.

       The top pixel line shows a blue pixel for each key which is reported to be pressed.

       You can set a videomode to use by setting the environment variable SVGALIB_DEFAULT_MODE to a number (see  vgat-
       est  for  a  list)  or a string like G0x1x2 where you replace 0 with desired x resolution, 1 with the desired y
       rez, and 2 with the desired number of colors (2, 16, 256, 32K, 64K, 16M, 16M4). Again, only certain choices are
       available, see vgatest for a list.

       In case nothing is selected, G320x200x256 is choosen.

       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-1.2.12.tar.gz is the latest version and can
       be   retrieved   by   ftp   from   at   /pub/Linux/libs/graphics   and    at
       /pub/linux/sources/libs which will most probably be mirrored by a site close to you.

       svgalib(7),  vgagl(7),  libvga.config(5),  threed(6),  accel(6), bg_test(6), eventtest(6), forktest(6), fun(6),
       mousetest(6),  scrolltest(6),  speedtest(6),  spin(6),  testaccel(6),  testgl(6),  testlinear(6),   vgatest(6),
       plane(6), wrapdemo(6)

       This  manual  page  was edited by Michael Weller <>. The exact source of the refer-
       enced demo as well as of the original documentation is unknown.

       It is very likely that both are at least to some extent are due to Harm Hanemaayer <>.

       Occasionally  this  might be wrong. I hereby asked to be excused by the original author and will happily accept
       any additions or corrections to this first version of the svgalib manual.

Svgalib 1.3.0                    8 April 1998                       keytest(6)