216 lines
7.4 KiB
Groff
216 lines
7.4 KiB
Groff
.\" $NetBSD: grfconfig.8,v 1.10 2000/12/02 21:58:10 is Exp $
|
|
.\"
|
|
.\" Copyright (c) 1997 The NetBSD Foundation, Inc.
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" This code is derived from software contributed to The NetBSD Foundation
|
|
.\" by Ezra Story and Bernd Ernesti.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the NetBSD
|
|
.\" Foundation, Inc. and its contributors.
|
|
.\" 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
.\" contributors may be used to endorse or promote products derived
|
|
.\" from this software without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
.\" POSSIBILITY OF SUCH DAMAGE.
|
|
.\"
|
|
.Dd October 7, 1994
|
|
.Dt GRFCONFIG 8 amiga
|
|
.Os
|
|
.Sh NAME
|
|
.Nm grfconfig
|
|
.Nd alter grf device screen mode definitions at run time
|
|
.Sh SYNOPSIS
|
|
.Nm ""
|
|
.Op Fl r
|
|
.Ar device
|
|
.Op Ar file
|
|
.Sh DESCRIPTION
|
|
.Nm ""
|
|
is used to change or view the screen mode definition list contained
|
|
in a grf device. You may alter the console screen definition as well
|
|
as the definitions for the graphic screen. The console will automatically
|
|
reinitialize itself to the new screen mode.
|
|
.Pp
|
|
The following flags and arguments are interpreted by
|
|
.Nm "" :
|
|
.Bl -tag -width indent
|
|
.It Fl r
|
|
Print out a raw listing of the mode definitions instead of the
|
|
pretty list normally shown.
|
|
.It Ar device
|
|
The grf device to manipulate. This argument is required.
|
|
.It Ar file
|
|
The file which contains the mode definitions. If this argument
|
|
is not specified,
|
|
.Nm ""
|
|
will print out of a list of the modes currently loaded into
|
|
the grf device.
|
|
.El
|
|
.Pp
|
|
.Sh MODE DEFINITION FILE
|
|
The mode definitions are taken from a file which has lines of the format:
|
|
.Pp
|
|
num clk wid hi dep hbs hss hse ht vbs vss vse vt flags
|
|
.Pp
|
|
.Bl -tag -width indent
|
|
.It Ar num
|
|
The mode number or 'c' for the console mode.
|
|
.It Ar clk
|
|
The pixel clock in Hz.
|
|
.It Ar wid
|
|
The screen mode's width.
|
|
.It Ar hi
|
|
The screen mode's height.
|
|
.It Ar dep
|
|
The bitdepth of the mode. Use 4 for a text console mode.
|
|
.It Ar hbs hss hse ht
|
|
The horizontal timing parameters for the mode in pixel values. All the
|
|
values are relative to the end of the horizontal blank (beginning of the
|
|
displayed area).
|
|
.It Ar vbs vss vse vt
|
|
The vertical timing paramters for the mode in line values. All the
|
|
values are relative to the end of vertical blank (beginning of the displayed
|
|
area).
|
|
.It Ar flags
|
|
By default every mode uses negative horizontal and vertical sync pulses,
|
|
it is non-interlaced and does not use scandoubling.
|
|
.Pp
|
|
.Bl -tag -width sync-on-green -offset indent
|
|
.It default
|
|
Use the default flags: -hsync -vsync
|
|
.It doublescan
|
|
Doublescan mode
|
|
.It interlace
|
|
Interlace mode
|
|
.It +hsync
|
|
Positive horizontal sync pulses
|
|
.It -hsync
|
|
Negative horizontal sync pulses
|
|
.It +vsync
|
|
Positive vertical sync pulses
|
|
.It -vsync
|
|
Negative vertical sync pulses
|
|
.It sync-on-green
|
|
Composite sync on green
|
|
.Pp
|
|
.El
|
|
.Pp
|
|
.El
|
|
.Pp
|
|
.nf
|
|
------------------------------------------------------
|
|
| ^ |
|
|
| vse |
|
|
| (0,0) |
|
|
| *----------------------------------- |
|
|
| | ^ ^ | |
|
|
| | vbe ! | |
|
|
| | ! | |
|
|
| | ! | |
|
|
|<-hse |<-hbe ! |<-hbs | | |
|
|
| | ! | hss->| hse->| hbe->|
|
|
| | hi | | | |
|
|
| | ! | |
|
|
| | ! | |
|
|
| |<============ wid =========+=====>| |
|
|
| | ! | |
|
|
| | ! | |
|
|
| | ! | |
|
|
| | v | |
|
|
| ------------------------------------ |
|
|
| ^ |
|
|
| vbs |
|
|
| |
|
|
------------------------------------------------------
|
|
^
|
|
vss
|
|
- ------- -
|
|
^
|
|
vse
|
|
- ------- -
|
|
^
|
|
vbe
|
|
|
|
|
|
.Sh SEE ALSO
|
|
.Xr console 4 ,
|
|
.Xr iteconfig 8 ,
|
|
.Xr grfcl 4 ,
|
|
.Xr grfcv 4 ,
|
|
.Xr grfcv3d 4 ,
|
|
.Xr grfet 4 ,
|
|
.Xr grfrh 4 ,
|
|
.Xr grfrt 4 ,
|
|
.Xr grful 4
|
|
.Sh HISTORY
|
|
The
|
|
.Nm ""
|
|
command first appeared in
|
|
.Nx 1.0
|
|
.Pp
|
|
The mode definition file changed two times.
|
|
.Pp
|
|
In
|
|
.Nx 1.0
|
|
all horizontal values were videoclock cycle values instead of pixel values:
|
|
.Pp
|
|
num clk wid hi dep hbs hss hse hbe ht vbs vss vse vbe vt
|
|
.br
|
|
1 31000000 640 480 8 80 86 96 102 104 480 489 492 517 520
|
|
2 31000000 640 480 8 80 86 96 102 104 240 244 246 258 260
|
|
3 31000000 640 480 8 80 86 96 102 104 960 978 984 1034 1040
|
|
.Pp
|
|
In
|
|
.Nx 1.1
|
|
and
|
|
.Nx 1.2 :
|
|
.Pp
|
|
num clk wid hi dep hbs hss hse hbe ht vbs vss vse vbe vt
|
|
.br
|
|
1 31000000 640 480 8 640 688 768 816 832 480 489 492 517 520
|
|
2 31000000 640 480 8 640 688 768 816 832 240 244 246 258 260
|
|
3 31000000 640 480 8 640 688 768 816 832 960 978 984 1034 1040
|
|
.Pp
|
|
the vertical values were used to select the interlace or doublescan mode.
|
|
All vertical values were half the width for the interlace mode and twice
|
|
the width for the doublescan mode.
|
|
.Pp
|
|
Beginning with
|
|
.Nx 1.3 :
|
|
.Pp
|
|
num clk wid hi dep hbs hss hse ht vbs vss vse vt flags
|
|
.br
|
|
1 31000000 640 480 8 640 688 768 832 480 489 492 520 default
|
|
2 31000000 640 480 8 640 688 768 832 480 489 492 520 interlace
|
|
3 31000000 640 480 8 640 688 768 832 480 489 492 520 doublescan
|
|
4 31000000 640 480 8 640 688 768 832 480 489 492 520 +hsync +vsync
|
|
.Pp
|
|
hbe and vbe are computed in the grf drivers.
|
|
.Pp
|
|
.Sh BUGS
|
|
.Nm ""
|
|
can not set the modes for /dev/grf1, /dev/grf2 and /dev/grf4
|
|
and it will not work for /dev/grf0.
|
|
|