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vga_gettextmoderegs(3) [opendarwin man page]

vga_gettextmoderegs(3)						Svgalib User Manual					    vga_gettextmoderegs(3)

NAME
vga_gettextmoderegs, vga_settextmoderegs - get/set the vga state used in text mode SYNOPSIS
#include <vga.h> void vga_gettextmoderegs(void *state); void vga_settextmoderegs(void *state); DESCRIPTION
The functions gives access to the buffer where svgalib saves the vga state which is use when the kernel displays text on the SVGA. This is used by the restoretextmode(1), savetextmode(1), and textmode(1) utilities to restore a possibly screwed console. The buffer currently occupies 385 bytes. It can't do any harm to make it substantially larger to allow for future enhancements. SEE ALSO
svgalib(7), vgagl(7), libvga.config(5), restorefont(1), restoretextmode(1), restorepalette(1), savetextmode(1), textmode(1), vga_dumpregs(3), vga_gettextfont(3), dumpreg(1) 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_gettextmoderegs(3)

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restoretextmode(1)                                              Svgalib User Manual                                             restoretextmode(1)

NAME
restoretextmode - save or restore the SVGA registers for textmode. SYNOPSIS
restoretextmode {-r|-w} filename DESCRIPTION
The state of the SVGA is written to or restored from filename using the vga_gettextmoderegs(3) and vga_settextmoderegs(3) functions. As of this writing this file is 385 bytes long but this might change with future versions. Please do not fiddle with the contents of the file except when you know what you do. It might even result in hardware damage. Because of that, you should think twice to make this command available to all users on your system. The purpose of this program is usually to recover from a crashed console due to an svgalib, Xfree or other program bug. First save the state of the SVGA card when on a text console. After the crash restore this state. The savetextmode(1) and textmode(1) script makes this procedure very easy. OPTIONS
-w filename write the SVGA state to the file filename. -r filename restore the SVGA state from the file filename. SEE ALSO
svgalib(7), vgagl(7), libvga.config(5), vga_gettextmoderegs(3), vga_settextmoderegs(3), dumpreg(1), convfont(1), fix132x43(1), restore- font(1), restorepalette(1), runx(1), savetextmode(1), setmclk(1), textmode(1). AUTHOR
This manual page was edited by Michael Weller <eowmob@exp-math.uni-essen.de>. The exact source of the referenced utility 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 restoretextmode(1)
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