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gl_setdisplaystart(3)	      Svgalib User Manual	 gl_setdisplaystart(3)

NAME
       gl_setdisplaystart - set	the start of the screen	are displayed

SYNOPSIS
       #include	<vgagl.h>

       vga gl_setdisplaystart(int x, int y);

DESCRIPTION
       Set the physical	display	start address to the pixel at (x, y).

       Can be used for hardware	scrolling, or for page flipping	(e.g.  setdis-
       playstart(0, HEIGHT) displays from the  second  page).  Make  sure  the
       scanline	 width (BYTEWIDTH) in bytes of the current context corresponds
       with the	physical screen.

       Note also that the display start	cannot be set to completely  arbitrary
       points, see vga_setdisplaystart(3).

SEE ALSO
       svgalib(7),   vgagl(7),	 svgalib.conf(5),   threedkit(7),   testgl(1),
       vga_setdisplaystart(3), gl_copyscreen(3), gl_setscreenoffset(3).

AUTHOR
       This manual page	was edited by Michael Weller  <eowmob@exp-math.uni-es-
       sen.de>.	 The  exact  source  of	 the referenced	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 <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)		  2 Aug	1997		 gl_setdisplaystart(3)

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | AUTHOR

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