vga_setdisplaystart man page on Slackware

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vga_setdisplaystart(3)	      Svgalib User Manual	vga_setdisplaystart(3)

NAME
       vga_setdisplaystart - set the display start address

SYNOPSIS
       #include <vga.h>

       void vga_setdisplaystart(int a);

DESCRIPTION
       Set  the display start address to a, where the address is the number of
       pixels offset from the start of video memory, except for	 hicolor/true‐
       color  modes, which use a unit of 1 byte. Can be used for page-flipping
       and virtual desktop scrolling. May  not	work  properly	for  16	 color
       modes.

       You  should  ensure  that the memory displayed is actually available on
       the SVGA card (query memory size with vga_modeinfo(3)) and ensure  that
       it  is saved by svgalib during console switches with vga_claimvideomem‐
       ory(3).

       You may only set the bits of the	 display  start	 address  returned  by
       vga_modeinfo(3).

SEE ALSO
       svgalib(7),  vgagl(7),  libvga.config(5), vga_modeinfo(3), vga_setlogi‐
       calwidth(3), vga_claimvideomemory(3)

AUTHOR
       This manual page was edited  by	Michael	 Weller	 <eowmob@exp-math.uni-
       essen.de>.  The	exact  source of the referenced function 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 <H.Hanemaayer@inter.nl.net>.

       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 (>= 1.2.11)		 27 July 1997		vga_setdisplaystart(3)
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