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merge multiboot2 into mbtaf-spec

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Vladimir 'phcoder' Serbinenko committed 2010-01-16 17:34:38 +01:00
2 parents dd2c93cb84 165a055fb8
commit 68d4322ed7
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doc/multiboot.texi
+8 -8
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@@ -20,7 +20,7 @@ Copyright @copyright{} 1995,96 Bryan Ford <baford@@cs.utah.edu>
Copyright @copyright{} 1995,96 Erich Stefan Boleyn <erich@@uruk.org>
Copyright @copyright{} 1999,2000,2001,2002,2005,2006,2009 Free Software Foundation, Inc.
Copyright @copyright{} 1999,2000,2001,2002,2005,2006,2009,2010 Free Software Foundation, Inc.
@quotation
Permission is granted to make and distribute verbatim copies of
@@ -477,7 +477,7 @@ start running the operating system.
All of the graphics fields are enabled by flag bit 2. They specify the
preferred graphics mode. Note that that is only a @emph{recommended}
mode by the OS image. Boot loader may also choose another mode if it sees fit.
mode by the OS image. Boot loader may choose a different mode if it sees fit.
The meaning of each is as follows:
@@ -485,10 +485,9 @@ The meaning of each is as follows:
@item mode_type
Contains @samp{0} for linear graphics mode or @samp{1} for
EGA-standard text mode. Everything else is reserved for future
expansion. Note that the boot loader may set a text mode, even if this
field contains @samp{0}. If video adapter doesn't support EGA text mode or
bootloader doesn't know how to initialise this mode it may set video
mode even if field contains @samp{1}
expansion. Note that the boot loader may set a text mode even if this
field contains @samp{0}, or set a video mode even if this field contains
@samp{1}.
@item width
Contains the number of the columns. This is specified in pixels in a
@@ -915,7 +914,8 @@ Each colour descriptor has following structure:
+-------------+
@end group
@end example
If @samp{framebuffer_type} is set to 1 it means direct RGB color. Then color_type is defined as follows:
If @samp{framebuffer_type} is set to @samp{1} it means direct RGB color.
Then color_type is defined as follows:
@example
@group
@@ -930,7 +930,7 @@ If @samp{framebuffer_type} is set to 1 it means direct RGB color. Then color_typ
@end group
@end example
If @samp{framebuffer_type} is set to 2 it means EGA text. In this case @samp{framebuffer_width} and @samp{framebuffer_height} are expressed in characters and not in pixels. @samp{framebuffer_bpp} is equal 16 (16 bits per character) and @samp{framebuffer_pitch} is expressed in bytes per text line.
If @samp{framebuffer_type} is set to @samp{2} it means EGA text. In this case @samp{framebuffer_width} and @samp{framebuffer_height} are expressed in characters and not in pixels. @samp{framebuffer_bpp} is equal 16 (16 bits per character) and @samp{framebuffer_pitch} is expressed in bytes per text line.
All further values of @samp{framebuffer_type} are reserved for future expansion
@node Examples