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e0e5145ce6
HardenedBSD/share/man/man4/pcvt.4
Mike Pritchard 41aa7251bb Link the pcvt.4 man page to vt.4 so that anyone examining 
their kernel configuration file can do "man vt" and get
what they expect.
1996-07-04 00:42:09 +00:00

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.\"
.\" Copyright (c) 1992, 1995 Hellmuth Michaelis, Brian Dunford-Shore,
.\" Joerg Wunsch and Holger Veit.
.\"
.\" All rights reserved.
.\"
.\" 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 Hellmuth Michaelis,
.\" Brian Dunford-Shore, Joerg Wunsch and Holger Veit.
.\" 4. The name authors may not be used to endorse or promote products
.\" derived from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
.\"
.\" @(#)pcvt.4, 3.20, Last Edit-Date: [Sun Apr 2 18:23:39 1995]
.\"
.\" Man page pcvt(4) created after pcvt_ioctl.h on 13-Jan-93
.\" by Joerg Wunsch
.\"
.\" updated for rel 2.10 (-hm)
.\" updated for rel 2.20 (-hm)
.\" updated for rel 3.00 (-jw)
.\" updated for final rel 3.00 (-hm)
.\" removed references to 386BSD (-hm)
.\"
.Dd February 27, 1994
.Dt PCVT 4
.Sh NAME
.Nm pcvt ,
.Nm vt
.Nd PC console virtual screen system
.Sh SYNOPSIS
options
.Do
.Em PCVT_FREEBSD = version
|
.Em PCVT_NETBSD = version
.Dc
.br
.Op options Dq Em PCVT_NSCREENS = number
.br
.Op options Dq Em PCVT_XXXX
.Po
see
.Sx Configuration
below
.Pc
.Pp
device
.Em vt0
at
.Em isa?
port
.Dq Em IO_KBD
.Em tty
irq
.Em 1
vector
.Em pcrint
.Sh DESCRIPTION
.Ss Overview
The
.Nm pcvt
driver provides a virtual screen system with several additional
features not available in
.Xr pc 4
standard console device driver. Besides the ability of handling
multiple virtual screens,
the probably most important is an emulation of a wide range
of DEC VT-220
.if t \(tm
.if n (TM)
functionality. See
.Sx Features
for a detailed description.
.Ss Features
.Bl -bullet
.It
Almost full DEC VT220
.if t \(tm
.if n (TM)
functionality
.Po
moving towards VT320
.if t \(tm
.if n (TM)
.Pc
.It
Completely independent virtual terminals for MDA/HGC/CGA/EGA and VGA
.It
25, 28, 35, 40, 43 or 50x80 screen resolution for each virtual screen
.It
Fully remappable keyboard to support national keyboards
.It
All VT220 character sets plus ISO Latin-1 and DEC technical supported
.It
VT220 downloadable character set supported when run on EGA/VGA
.It
VT220 user defined keys for each virtual terminal
.It
Optional function key label support
.if t \('a
.if n 'a
la Hewlett-Packard
.It
Display function codes functionality
.It
Support for MDA, CGA, EGA and VGA display adaptors
.It
Support for 132 column operation on VGA chipsets
.It
X Window Support for XFree86 >= 1.2 using the pccons model, or
for XFree86 >= 2.0 using the syscons model
.Po
requires
.Em PCVT_USL_VT_COMPAT
to be configured
.Pc
.El
What it cannot:
.Bl -bullet
.It
No double wide/high characters
.It
No softscroll
.It
No inverse background
.It
No VT220 printer output support
.It
No VT52 support at all
.It
No 8-bit controls
.It
Only limited AT-keyboard
.Pq 84 keys
support
.Pq yet
.It
Help you to make money...
.El
.Ss Configuration
The
.Nm pcvt
console driver is currently available for the Intel-based BSD operating
systems
.Em NetBSD/i386 Pq release 0.9 or higher,
and
.Em FreeBSD Pq release 1.0-GAMMA or higher .
In order to get the appropriate system support, one of the options
.Em PCVT_NETBSD ,
or
.Em PCVT_FREEBSD
must be defined in the system's config file
.Pq see Xr config 8 .
In addition, for the
.Em FreeBSD
and
.Em NetBSD
operating systems, it is necessary to set this option to the operating
system's version number.
For
.Em FreeBSD
this version number must be expressed as a 3-digit number.
E.\& g., if you are running the 1.0 release
.Pq which is actually version 1.0.2 ,
you should define
.Em PCVT_FREEBSD = 102
For
.Em NetBSD
this version number must be expressed as 9 if you are running NetBSD 0.9
and anything greater than 9 for NetBSD-current (pre 1.0). It is recommended
to use (as with FreeBSD) 100 for NetBSD 1.0 and 999 for NetBSD-current.
E.\& g., if you are running the NetBSD 1.0 release, you should define
.Em PCVT_NETBSD = 100
The
.Nm pcvt
driver has been designed to be highly configurable in order to satisfy
everyone's needs. The preferred way for those configurations is to
provide appropriate
.Em options
lines within the config file, possibly overriding the built-in default
values. Therefore it is possible to compile several distinct kernels
with different driver behaviour on a single machine.
The following list gives a short overview of the available configuration
options. Refer to the file
.Pa i386/isa/pcvt/pcvt_hdr.h
in the kernel source tree for detailed documentation.
Note: the following conventions apply to all the Boolean options.
If an option is given with no value, a value of 1
.Pq activated
is substituted. If an option value is given as 0, this options is
deactivated. Any other value is substituted by 1, too. If an option
is omitted, a built-in default is assumed.
.Bl -tag -width indent -compact
.It Em PCVT_NSCREENS
Defines the number of virtual screens.
.br
Default: 8
.It Em PCVT_VT220KEYB
If activated, a keyboard layout resembling a DEC VT200 (TM) is generated.
If deactivated, a mixture between VT220 and HP is used. See the files
.Pa Keyboard.VT
and
.Pa Keyboard.HP
in the
.Nm pcvt
documentation directory for a full description.
.br
Default: off
.It Em PCVT_SCREENSAVER
Enables the builtin screensaver feature.
.br
Default: on
.It Em PCVT_PRETTYSCRNS
If enabled, a blinking-star screensaver is used. If disabled, the screen
is simply blanked
.Pq which might be useful for energy-saving monitors .
.br
Default: on
.It Em PCVT_CTRL_ALT_DEL
If enabled, the key combination
.Aq Em Ctrl
.Aq Em Alt
.Aq Em Del
invokes a CPU reset.
.br
Default: off
.It Em PCVT_USEKBDSEC
Do NOT override a security lock for the keyboard.
.br
Default: on
.It Em PCVT_24LINESDEF
If enabled, the 25-line modi
.Po
VT emulation with 25 lines, and HP emulation with 28 lines
.Pc
default to 24 lines only to provide a better compatibility to the
original DEV VT220 (TM). Thus it should be possible to use the
terminal information for those terminals without further changes.
Note that this is a startup option; it is possible to toggle between
the 24- and 25-lines' display by the
.Xr scon 1
utility.
.br
Default: off
.It Em PCVT_EMU_MOUSE
Emulate a three-button mouse via the keypad. Useful for notebooks when
running XFree86. See
.Sx Mouse emulation
below.
.br
Default: off
.It Em PCVT_META_ESC
If enabled, a sequence composed of
.Aq Em esc ,
followed by the normal key code is emitted if a key is pressed with the
.Aq Em Alt
key modifier. If disabled, then normal key code with the value
.Em 0x80
added is sent.
.br
Default: off
.El
Note that there are further options available which are mainly used for
debugging purposes or as a workaround for hardware problems. They are
found in
.Pa i386/isa/pcvt/pcvt_hdr.h
along with their documentation.
.Ss Internal Functions
The functionality described below may be accessed via
.Xr ioctl 2
system calls with a file descriptor opened on a device node
related to the
.Nm pcvt
driver.
To make use of them, a program should contain the following line:
.Dl #include <machine/pcvt_ioctl.h>
Any parameter definitions cited below can be found in that file.
.Em Keyboard related functions
Three functions are related to basic keyboard hardware:
.Bl -tag -width 20n -offset indent -compact
.It KBDRESET
reset keyboard, set defaults;
.It KBDGTPMAT
get current typematic value, parameter is a pointer to int where
the values is stored to;
.It KBDSTPMAT
set current typematic value, similar to above command.
.El
Symbolic values are available for the appropriate constants.
To specify the initial typematic delay time, they are
KBD_TPD250 for 250 ms through
KBD_TPD1000 for 1000 ms, in steps of 250 ms. The typematic repeat
rates are
KBD_TPM300, specifying 30.0 characters per second through
KBD_TPM20 for 2.0 characters per second. The intermediate values
are: 30.0, 26.7, 24.0, 21.8, 20.0, 18.5, 17.1, 16.0, 15.0, 13.3,
12.0, 10.9, 10.0, 9.2, 8.6, 8.0, 7.5, 6.7, 6.0, 5.5, 5.0, 4.6, 4.3,
4.0, 3.7, 3.3, 3.0, 2.7, 2.5, 2.3, 2.1, 2.0 characters per second.
.Bl -tag -width 20n -offset indent -compact
.It KBDGREPSW
get key repetition switch, and
.It KBDSREPSW
set key repetition switch
.El
again take a pointer to int as argument. They manipulate the
drivers internal keyboard repetition flag, possible values are:
KBD_REPEATOFF or KBD_REPEATON.
.Bl -tag -width 20n -offset indent -compact
.It KBDGLEDS
get LED state, and
.It KBDSLEDS
set LED state manipulate the keyboard indicators, but do not influence
the drivers idea of lock key state.
.El
The int where the argument points to
may have the values
KBD_SCROLLLOCK, KBD_NUMLOCK, KBD_CAPSLOCK, which may be used in any
conjunction.
.Bl -tag -width 20n -offset indent -compact
.It KBDGLOCK
gets state of SCROLL,NUM,CAPS, and
.It KBDSLOCK
sets state of SCROLL,NUM,CAPS + LEDs
.El
should be used in a same manner to get/set the drivers internal
LED flags.
.Em Keyboard remapping
One important feature of the
.Nm pcvt
driver is its ability to overload the built in key definition.
.Bl -tag -width 20n -offset indent -compact
.It KBDGCKEY
get current key values,
.It KBDSCKEY
set new key assignment values, and
.It KBDGOKEY
get original key assignment values
.El
arrange those functions. The take a pointer to a
.Em struct kbd_ovlkey
as argument as described below. In addition,
.Bl -tag -width 20n -offset indent -compact
.It KBDRMKEY
removes a key assignment, taking a pointer to an int as argument which
contains the affected key number;
.It KBDDEFAULT
removes all key assignments.
.El
.Bd -literal
struct kbd_ovlkey /* complete definition of a key */
{
u_short keynum; /* the key itself */
u_short type; /* type of key, see below */
u_char subu; /* subtype, ignored on write */
char unshift[KBDMAXOVLKEYSIZE+1]; /* emitted string, unshifted */
u_char subs; /* subtype, ignored on write */
char shift[KBDMAXOVLKEYSIZE+1]; /* emitted string, shifted */
u_char subc; /* subtype, ignored on write */
char ctrl[KBDMAXOVLKEYSIZE+1]; /* emitted string, control */
u_char suba; /* subtype, ignored on write */
char altgr[KBDMAXOVLKEYSIZE+1]; /* emitted string, altgr */
};
.Ed
The appropriate values for the
.Em type
field are:
.Bl -tag -width 20n -offset indent -compact
.It KBD_NONE
no function, key is disabled,
.It KBD_SHIFT
keyboard shift,
.It KBD_META
alternate shift, sets bit8 to ASCII code,
.It KBD_NUM
numeric shift, keypad numeric / application mode,
.It KBD_CTL
control code generation,
.It KBD_CAPS
caps shift - swaps case of letter,
.It KBD_ASCII
ASCII code generating key,
.It KBD_SCROLL
stop output,
.It KBD_FUNC
function key,
.It KBD_KP
keypad keys,
.It KBD_BREAK
ignored,
.It KBD_ALTGR
AltGr translation feature,
.It KBD_SHFTLOCK
shift lock,
.It KBD_CURSOR
cursor keys, and
.It KBD_RETURN
.Dq Return
or
.Dq Enter
keys.
.El
The
.Em subtype
field contains one of the values
.Bl -tag -width 20n -offset indent -compact
.It KBD_SUBT_STR
key is bound to a string, or
.It KBD_SUBT_FNC
key is bound to a function.
.El
.Em Mouse emulation
The mouse emulator
.Pq if configured in
fakes a three-button mouse using the Mouse Systems protocol. The first
.Nm pcvt
device node not used by a virtual screen is the mouse device. I.\& e.,
for the default value of 8 virtual screens,
.Pa /dev/ttyv0
through
.Pa /dev/ttyv7
would refer to the virtual screens, and
.Pa /dev/ttyv8
were the mouse emulator device. The mouse emulation is turned on by
pressing the
.Aq Em NumLock
key. The pointer is moved by the numerical keypad keys, into the
obvious directions. The pointer is initially moved in single steps,
and is accelerated after an adjustable time
.Pq default: 500 ms
by about 6 times. The mouse buttons are emulated by three normal
keys, by default the function keys
.Aq Em \&F1 ,
.Aq Em \&F2 ,
and
.Aq Em \&F3 .
There are two selectable flavors available: normal and
.Dq sticky
buttons. Normal buttons behave as expected.
.Dq Sticky
buttons are notified as button-press on the first keypress. They
.Dq stick
until the key is pressed again
.Pq or another button-emulating key instead .
Button presses and releases are notified to the user by a simple
.Dq pling ,
or
.Dq plong ,
respectively, generated from the PC's built-in speaker.
The following commands control the emulation.
.Bl -tag -width 20n -offset indent -compact
.It KBDMOUSEGET
get the current definitions, and
.It KBDMOUSESET
set new definitions.
.El
Both accept a
.Li struct mousedefs *
as the third argument to the ioctl call:
.Bd -literal
struct mousedefs {
int leftbutton; /* (PC) scan code for "left button" key */
int middlebutton; /* (PC) scan code for "mid button" key */
int rightbutton; /* (PC) scan code for "right button" key */
int stickybuttons; /* if true, the buttons are "sticky" */
int acceltime; /* timeout in microseconds to start pointer */
/* movement acceleration */
/* defaults to: scan(F1), scan(F2), scan(F3), false, 500000 */
};
.Ed
.Em Downloadable character set interface
EGA and VGA video adaptors provide the capability of downloadable
software fonts. Since the
.Sq native character set
of any IBM-compatible PC video board does not allow the full interpretation
of DEC multinational character set or ISO Latin-1
.Pq ISO 8859-1 ,
this might be very useful for a U**X environment.
.Bl -tag -width 20n -offset indent -compact
.It VGASETFONTATTR
set font attr, and
.It VGAGETFONTATTR
get font attr
.El
are used to manipulate the drivers information about a downloaded
font. The take a pointer to a
.Em struct vgafontattr
as argument:
.Bd -literal
struct vgafontattr {
int character_set; /* VGA character set */
int font_loaded; /* Mark font loaded or unloaded */
int screen_size; /* Character rows per screen */
int character_scanlines; /* Scanlines per character - 1 */
int screen_scanlines; /* Scanlines per screen - 1 byte */
};
.Ed
Each character of each font is to be downloaded with
.Bl -tag -width 20n -offset indent -compact
.It VGALOADCHAR
load vga char,
.El
taking a pointer to
.Em struct vgaloadchar
as its argument:
.Bd -literal
struct vgaloadchar {
int character_set; /* VGA character set to load into */
int character; /* Character to load */
int character_scanlines; /* Scanlines per character */
u_char char_table[32]; /* VGA character shape table */
};
.Ed
The field
.Em character_set
takes the values
CH_SET0, CH_SET1, CH_SET2, CH_SET3 on EGA's or VGA's. Since VGA's
might have up to eight simultaneously loaded fonts, they can take
CH_SET4, CH_SET5, CH_SET6, or CH_SET7, too.
Note that there's a dependence between the font size
and a possible screen height
.Pq in character rows ,
depending on the video adaptor used:
.Bd -literal
Screen size (rows) on: EGA VGA
Font size
8 x 8 43 50
8 x 10 35 40
8 x 14 25 28
8 x 16 not 25
applicable
.Ed
.Em General screen manipulation commands
.Bl -tag -width 20n -offset indent -compact
.It VGACURSOR
sets cursor shape,
.El
taking a pointer to the following structure as argument:
.Bd -literal
struct cursorshape {
int screen_no; /* screen number for which to set, */
/* or -1 to set on current active screen */
int start; /* top scanline, range 0... Character Height - 1 */
int end; /* end scanline, range 0... Character Height - 1 */
};
.Ed
.Bl -tag -width 20n -offset indent -compact
.It VGASETSCREEN
set screen info, and
.It VGAGETSCREEN
get screen info,
.El
provide an interface to some general driver internal variables
which might modify the behaviour of the screens,
or which might simply be used to force the driver to switch
to one certain screen. Their argument is a pointer to the structure:
.Bd -literal
struct screeninfo {
int adaptor_type; /* type of video adaptor installed */
/* read only, ignored on write (yet!) */
int totalfonts; /* no of downloadable fonts */
/* read only, ignored on write */
int totalscreens; /* no of virtual screens */
/* read only, ignored on write */
int screen_no; /* screen number, this was got from */
/* on write, if -1, apply pure_vt_mode */
/* and/or screen_size to current screen*/
/* else to screen_no supplied */
int current_screen; /* screen number, which is displayed. */
/* on write, if -1, make this screen */
/* the current screen, else set current*/
/* displayed screen to parameter */
int pure_vt_mode; /* flag, pure VT mode or HP/VT mode */
/* on write, if -1, no change */
int screen_size; /* screen size */
/* on write, if -1, no change */
int force_24lines; /* force 24 lines if 25 lines VT mode */
/* or 28 lines HP mode to get pure */
/* VT220 screen size */
/* on write, if -1, no change */
int vga_family; /* if adaptor_type = VGA, this reflects*/
/* the chipset family after a read */
/* nothing happenes on write ... */
int vga_type; /* if adaptor_type = VGA, this reflects*/
/* the chipset after a read */
/* nothing happenes on write ... */
int vga_132; /* set to 1 if driver has support for */
/* 132 column operation for chipset */
/* currently ignored on write */
};
.Ed
Its field
.Em pure_vt_mode
may take the values M_HPVT for a mixed VTxxx and HP Mode, with function
key labels and a status line, or M_PUREVT for only VTxxx sequences
recognized, with no labels.
.Bl -tag -width 20n -offset indent -compact
.It VGASETCOLMS
sets the number of columns for the current screen,
.El
its parameter is a pointer to an integer containing either a value of 80,
or a value of 132. Note that setting the number of columns to 132 is
only supported on VGA adaptors. Any unsupported numbers cause the ioctl
to fail with
.Em errno
.Pq see Xr intro 2
being set to
.Em EINVAL .
.Em VGA color palette interface
Only on VGA adaptors, there's a color palette register at the output.
It is responsible for the red, green and blue output voltage provided
for each of the 256 internal color codes, each lying in the range of
0 through 63 (with 63 representing the brightest value for a base color).
Thus, these adaptors map each color code to a color of a
.Dq palette
out of 262144 colors. The commands
.Bl -tag -width 20n -offset indent -compact
.It VGAREADPEL
read VGA palette entry, and
.It VGAWRITEPEL
write VGA palette entry
.El
establish an interface to these palette registers. Their argument is
a pointer to:
.Bd -literal
struct vgapel {
unsigned idx; /* index into palette, 0 .. 255 valid */
unsigned r, g, b; /* RGB values, masked by VGA_PMASK (63) */
};
.Ed
.Em Driver identification
.Bl -tag -width 20n -offset indent -compact
.It VGAPCVTID
returns information if the current compiled in driver is pcvt and it's
major and minor revision numbers. the call is taking a pointer to the
following structure as argument:
.El
.Bd -literal
struct pcvtid {
#define PCVTIDNAMELN 16 /* driver id - string length */
char name[PCVTIDNAMELN]; /* driver name, == PCVTIDSTR */
#define PCVTIDNAME "pcvt" /* driver id - string */
int rmajor; /* revision number, major */
#define PCVTIDMAJOR 3
int rminor; /* revision number, minor */
#define PCVTIDMINOR 00
};
.Ed
.Bl -tag -width 20n -offset indent -compact
.It VGAPCVTINFO
returns information if the current compiled in driver is pcvt and it's
compile time options. the call is taking a pointer to the following
structure as argument:
.El
.Bd -literal
struct pcvtinfo {
u_int opsys; /* PCVT_xxx(x)BSD */
#define CONF_UNKNOWNOPSYS 0
#define CONF_386BSD 1 /* unsupported !!! */
#define CONF_NETBSD 2
#define CONF_FREEBSD 3
u_int opsysrel; /* Release for NetBSD/FreeBSD */
u_int nscreens; /* PCVT_NSCREENS */
u_int scanset; /* PCVT_SCANSET */
u_int updatefast; /* PCVT_UPDATEFAST */
u_int updateslow; /* PCVT_UPDATESLOW */
u_int sysbeepf; /* PCVT_SYSBEEPF */
/* config booleans */
u_long compile_opts; /* PCVT_xxxxxxxxxxxxxxx */
};
.Ed
.Em Screen saver
Depending on the configuration of a
.Nm pcvt
driver, their might be a simple screen saver available. It is controlled
by the command
.Bl -tag -width 20n -offset indent -compact
.It VGASCREENSAVER
set timeout for screen saver in seconds; 0 turns it off,
.El
taking a pointer to an integer as argument. Despite of its command name,
this is available on
.Em any
kind of adaptor if configured in by the
.Xr config 8
option
.Dq PCVT_SCREENSAVER
.Em Compatibility commands for USL-style VT's
Release 3.00 of this
.Nm pcvt
driver supports a subset of the USL-style commands used to control
the virtual terminal interface. This feature is mainly intended to
allow
.Em XFree86 ,
release 2.0 or higher, to switch between virtual screens even when
running an X server. They are ugly with respect to the implied semantics
.Pq i.\& e., they break Berkeley semantics
and are therefore not recommended for common use. See the file
.Pa i386/include/pcvt_ioctl.h
for their documentation.
.Sh FILES
.Bl -tag -width /usr/include/machine/pcvt_ioctl.h
.It Pa /usr/include/machine/pcvt_ioctl.h
Definitions for
.Xr ioctl 2
function calls
.It Pa /dev/ttyv?
.It Pa /dev/console
Device nodes to access the
.Nm pcvt
driver
.It Pa i386/isa/pcvt/pcvt_hdr.h
.Pq relative to the kernel source tree
Documents the various compile-time options to tailor
.Nm pcvt .
.Sh HISTORY
The
.Nm pcvt
driver has been developed for and contributed to 386BSD release 0.1. Since
release 3.00 explicit support is provided for NetBSD 0.9. It is expected
that no further development on pcvt is done for 386BSD 0.1 after release 3.00,
in fact, 386BSD support was dropped with release 3.20.
.Sh AUTHORS
.Bl -tag -width 30n -offset indent
.It Written by :
Hellmuth Michaelis
.Pq hm@hcshh.hcs.de
.It With much help from :
Brian Dunford-Shore
.Pq brian@morpheus.wustl.edu
.br
.if n Joerg Wunsch
.if t J\(:org Wunsch
.Pq joerg_wunsch@uriah.sax.de
.br
.It This driver is based on several people's previous
.It work, notably by :
William Jolitz' and Don Ahn's
.Xr pc 4
implementation
.Pq ljolitz@cardio.ucsf.edu
.br
Holger Veit
.Pq veit@du9ds3.uni-duisburg.de, now veit@first.gmd.de
.Sh SEE ALSO
.Xr pc 4 ,
.Xr config 8 ,
.Xr intro 2 ,
.Xr ioctl 2 .
.Sh BUGS
Certainly existent. See the file
.Pa BugList
in the Documentation directory for an up-to-date list.
.Ss Tested Video Boards
.Bd -literal
Manufacturer Chipset Monitor
2theMax (?) ET4000 VGA Color
Video7 Inc. Video 7 VGA Color
Diamond Stealth VRAM S3 NEC 3FGx
Trident TVGA 8800CS NEC 3D
Data General C&T P82C604 VGA Color
NoName Hercules W86855AF Mono
Kyocera (Mainboard) WD90C11 Sony Color
unknown ET3000 NEC 3D
.Ed
.Ss Tested Keyboards
.Bd -literal
Manufacturer Type Layout
Cherry MF II US
Cherry/Tandon MF II German
Hewlett-Packard MF II US
Hewlett-Packard MF II German
Tatung AT German
.Ed
There is absolutely NO support for the ancient PC-keyboards
.Pq they had 83 keys .
There is only limited support for AT-keyboards
.Bo
they have 84 keys, and a separate numeric keypad,
they don't have F11/F12 keys
.Bc
because the emulator needs F9 through F12 for control functions, and due to
the current design of the keyboard driver there is no
.Pq full
support for national keyboards because
of the lack of an ALtGr key.
MF-keyboards are fully supported, 101- and 102-key versions.
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