dumpreg(1) [opendarwin man page]

dumpreg(1)							Svgalib User Manual							dumpreg(1)

NAME

       dumpreg - dump the state of the card as the svgalib chipset driver sees it.

SYNOPSIS

       dumpreg
       dumpreg < /dev/ttyN

DESCRIPTION

       The  chipset drivers of svgalib inquire the mode of the graphic card when the application is started and restore it when the svgalib appli-
       cation quits.  dumpreg prints this information to stdout.

       This is useful for debugging or adding modes to a device driver. For example you can use Xfree86 to setup a given  mode	timing,  then  run
       dumpreg and use it's stdout to make your chipset driver use exactly this timing.

       However,  the  recent  change  of  svgalib  to hunt an own free virtual console does not allow this, because it will make Xfree86 return to
       textmode first. You can avoid this by using the second form where N is the number of the virtual console on which Xfree86 runs (usually	7)
       as root.

SEE ALSO

       svgalib(7),  vgagl(7), libvga.config(5), vga_dumpregs(3), convfont(1), fix132x43(1), restorefont(1), restorepalette(1), restoretextmode(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								dumpreg(1)

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)