1gl_setdisplaystart(3)         Svgalib User Manual        gl_setdisplaystart(3)
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NAME

6       gl_setdisplaystart - set the start of the screen are displayed
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SYNOPSIS

10       #include <vgagl.h>
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12       vga gl_setdisplaystart(int x, int y);
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DESCRIPTION

16       Set the physical display start address to the pixel at (x, y).
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18       Can be used for hardware scrolling, or for page flipping (e.g.  setdis‐
19       playstart(0, HEIGHT) displays from the  second  page).  Make  sure  the
20       scanline  width (BYTEWIDTH) in bytes of the current context corresponds
21       with the physical screen.
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23       Note also that the display start cannot be set to completely  arbitrary
24       points, see vga_setdisplaystart(3).
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SEE ALSO

28       svgalib(7),   vgagl(7),   svgalib.conf(5),   threedkit(7),   testgl(1),
29       vga_setdisplaystart(3), gl_copyscreen(3), gl_setscreenoffset(3).
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AUTHOR

33       This manual page was edited  by  Michael  Weller  <eowmob@exp-math.uni-
34       essen.de>.  The  exact  source of the referenced demo as well as of the
35       original documentation is unknown.
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37       It is very likely that both are at least to some extent are due to Harm
38       Hanemaayer <H.Hanemaayer@inter.nl.net>.
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40       Occasionally  this  might be wrong. I hereby asked to be excused by the
41       original author and will happily accept any additions or corrections to
42       this first version of the svgalib manual.
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46Svgalib (>= 1.2.11)               2 Aug 1997             gl_setdisplaystart(3)