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- DOSBox Wii -
Version 1.1
http://code.google.com/p/dosbox-wii
(Under GPL License)
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A port of DOSBox to the Wii using SDL Wii.
-=[ Features ]=-
* USB Keyboard and mouse support
* Wiimote pointer support
* SD/USB mounting
* Most DOS games are playable
* me menu, with onscreen keyboard
-=[ Update History ]=-
[1.1 - October 27, 2009]
* Fixed "black screen" issue with numerous games
* Minor optimizations and bug fixes
* Updated to latest DOSBox SVN
[1.0 - October 9, 2009]
* Home menu and on-screen keyboard (a proof of concept showing SDL + libwiigui)
* Small speed increases via SDL Wii improvements
* Compiled with devkitPPC r18 and libogc 1.8.0
* Updated to latest DOSBox SVN
[0.73.02 - July 1, 2009]
* Upgraded DOSBox engine to latest SVN
* Fixed lockup when only using the Wiimote (no attachments connected)
* Compiled with latest libogc and SDL Wii
[0.73.01 - June 3, 2009]
* Upgraded DOSBox engine to 0.73
* Sound issues fixed
* Compiled with latest libogc and SDL Wii
[0.72.01 - May 14, 2009]
* Initial release
-=[ Instructions ]=-
You need a Wii Remote and a USB keyboard. The C: drive will automatically be
mounted to sd:/DOSBox/ if loaded from apps/dosbox-wii/. Otherwise, the
directory the dol is loaded from will be mounted as C, and sd:/DOSBox as D
(if present). The Z: driver is a virtual drive that is part of DOSBox.
Other drives can be mounted using the MOUNT command. Prefix sd: for an SD card,
and usb: for a USB drive. The Wii's DVD drive and network folders can't be
mounted at this time.
The configuration file is loaded from the directory the dol is located in
(if present) and sd:/DOSBox/dosbox.conf otherwise. This file will be created
automatically after you start DOSBox. Please edit it with a text editor
to choose settings appropriate for each game.
Press the Home button, type "exit", press Ctrl+F9, or press Reset (on the
console) to exit.
-=[ Compatibility ]=-
Most games work properly now; however, many games will require some sort
of adjustment to the dosbox.conf file. It is recommended to try the game
you want to play on the PC version of DOSBox first to discover the optimum
settings.
-------------------------------------------------------------------------------
DOSBox v0.73
=====
NOTE:
=====
While we are hoping that one day DOSBox will run all programs ever
made for the PC, we are not there yet. At present, DOSBox running
on a high-end machine will roughly be the equivalent of a 486 PC.
DOSBox can be configured to run a wide range of DOS games, from
CGA/Tandy/PCjr classics up to games from the Quake era.
======
INDEX:
======
1. Quickstart
2. FAQ
3. Usage
4. Internal Programs
5. Special Keys
6. Mapper
7. Keyboard Layout
8. Serial Multiplayer feature
9. How to run resource-demanding games
10. Troubleshooting
11. The config file
12. The language file
13. Building your own version of DOSBox
14. Special thanks
15. Contact
==============
1. Quickstart:
==============
Type INTRO in DOSBox for a quick tour.
It is essential that you get familiar with the idea of mounting,
DOSBox does not automatically make any drive (or a part of it)
accessible to the emulation.
See the FAQ entry "I've got a Z instead of a C at the prompt" as
well as the description of the MOUNT command (section 4).
=======
2. FAQ:
=======
Some Frequently Asked Questions:
Q: I've got a Z instead of a C at the prompt.
Q: Do I always have to type these commands? Automation?
Q: How do I change to fullscreen?
Q: My CD-ROM doesn't work.
Q: The game/application can't find its CD-ROM.
Q: The mouse doesn't work.
Q: There is no sound.
Q: The sound stutters or sounds stretched/weird.
Q: I can't type \ or : in DOSBox.
Q: The keyboard lags.
Q: The cursor always moves into one direction!
Q: The game/application runs much too slow!
Q: The game/application does not run at all/crashes!
Q: Can DOSBox harm my computer?
Q: I would like to change the memory size/cpu speed/ems/soundblaster IRQ.
Q: What sound hardware does DOSBox presently emulate?
Q: DOSBox crashes on startup and I'm running arts.
Q: My Build game(Duke3D/Blood/Shadow Warrior) has problems.
Q: Great README, but I still don't get it.
Q: I've got a Z instead of a C at the prompt.
A: You have to make your directories available as drives in DOSBox by using
the "mount" command. For example, in Windows "mount C D:\GAMES" will give
you a C drive in DOSBox which points to your Windows D:\GAMES directory.
In Linux, "mount c /home/username" will give you a C drive in DOSBox
which points to /home/username in Linux.
To change to the drive mounted like above, type "C:". If everything went
fine, DOSBox will display the prompt "C:\>".
Q: Do I always have to type these commands? Automation?
A: In the DOSBox configuration file is an [autoexec] section. The commands
present there are run when DOSBox starts, so you can use this section
for the mounting.
Q: How do I change to fullscreen?
A: Press alt-enter. Alternatively: Edit the configuration file of DOSBox and
change the option fullscreen=false to fullscreen=true. If fullscreen looks
wrong in your opinion: Play with the option fullresolution in the
configuration file of DOSBox. To get back from fullscreen mode:
Press alt-enter again.
Q: My CD-ROM doesn't work.
A: To mount your CD-ROM in DOSBox you have to specify some additional options
when mounting the CD-ROM.
To enable CD-ROM support (includes MSCDEX):
- mount d f:\ -t cdrom (windows)
- mount d /media/cdrom -t cdrom (linux)
In some cases you might want to use a different CD-ROM interface,
for example if CD audio does not work:
To enable SDL-support (does not include low-level CD access!):
- mount d f:\ -t cdrom -usecd 0 -noioctl
To enable ioctl access using digital audio extraction for CD audio
(windows-only, useful for Vista):
- mount d f:\ -t cdrom -ioctl_dx
To enable ioctl access using MCI for CD audio (windows-only):
- mount d f:\ -t cdrom -ioctl_mci
To force ioctl-only access (windows-only):
- mount d f:\ -t cdrom -ioctl_dio
To enable low-level aspi-support (win98 with aspi-layer installed):
- mount d f:\ -t cdrom -aspi
In the commands: - d driveletter you will get in DOSBox
- f:\ location of CD-ROM on your PC.
- 0 The number of the CD-ROM drive, reported by "mount -cd"
(note that this value is only needed when using SDL
for CD audio, otherwise it is ignored)
See also the next question: The game/application can't find its CD-ROM.
Q: The game/application can't find its CD-ROM.
A: Be sure to mount the CD-ROM with -t cdrom switch, this will enable the
MSCDEX interface required by DOS games to interface with CD-ROMs.
Also try adding the correct label (-label LABEL) to the mount command,
where LABEL is the CD-label (volume ID) of the CD-ROM.
Under Windows you can specify -ioctl, -aspi or -noioctl. Look at the
description of the mount command in Section 4 for their meaning and the
additional audio-CD related options -ioctl_dx, ioctl_mci, ioctl_dio.
Try creating a CD-ROM image (preferably CUE/BIN pair) and use the
DOSBox-internal IMGMOUNT tool to mount the image (the CUE sheet).
This enables very good low-level CD-ROM support on any operating system.
Q: The mouse doesn't work.
A: Usually, DOSBox detects when a game uses mouse control. When you click on
the screen it should get locked (confined to the DOSBox window) and work.
With certain games, the DOSBox mouse detection doesn't work. In that case
you will have to lock the mouse manually by pressing CTRL-F10.
Q: There is no sound.
A: Be sure that the sound is correctly configured in the game. This might be
done during the installation or with a setup/setsound utility that
accompanies the game. First see if an autodetection option is provided. If
there is none try selecting soundblaster or soundblaster16 with the default
settings being "address=220 irq=7 dma=1". You might also want to select
midi at address 330 as music device.
The parameters of the emulated soundcards can be changed in the DOSBox
configuration file.
If you still don't get any sound set the core to normal and use some lower
fixed cycles value (like cycles=2000). Also assure that your host operating
sound does provide sound.
In certain cases it might be useful to use a different emulated sound device
like a soundblaster pro (sbtype=sbpro1 in the DOSBox configuration file) or
the gravis ultrasound (gus=true).
Q: The sound stutters or sounds stretched/weird.
A: You're using too much CPU power to keep DOSBox running at the current speed.
You can lower the cycles, skip frames, reduce the sampling rate of
the respective sound device (see the DOSBox configuration file) or
the mixer device. You can also increase the prebuffer in the configfile.
If you are using cycles=max or =auto, then make sure that there is no
background processes interfering! (especially if they access the harddisk)
Q: I can't type \ or : in DOSBox.
A: This can happen in various cases, like your host keyboard layout does not
have a matching DOS layout representation (or it was not correctly detected),
or the key mapping is wrong.
Some possible fixes:
1. Use / instead, or ALT-58 for : and ALT-92 for \.
2. Change the DOS keyboard layout (see Section 7: Keyboard Layout).
3. Add the commands you want to execute to the [autoexec]-section
of the DOSBox configuration file.
4. Open the DOSBox configuration file and change the usescancodes entry.
5. Switch the keyboard layout of your operating system.
Note that if the host layout can not be identified, or keyboardlayout is set
to none in the DOSBox configuration file, the standard US layout is used.
In this configuration try the keys around "enter" for the key \ (backslash),
and for the key : (colon) use shift and the keys between "enter" and "l".
Q: The keyboard lags.
A: Lower the priority setting in the DOSBox configuration file, for example
set "priority=normal,normal". You might also want to try lowering the cycles
(use a fixed cycle count to start with, like cycles=10000).
Q: The cursor always moves into one direction!
A: See if it still happens if you disable the joystick emulation,
set joysticktype=none in the [joystick] section of your DOSBox
configuration file. Maybe also try unplugging any joystick/gamepad.
If you want to use the joystick in the game, try setting timed=false
and be sure to calibrate the joystick (both in your OS as well as
in the game or the game's setup program).
Q: The game/application runs much too slow!
A: Look at the section "How to run resource-demanding games" for more
information.
Q: The game/application does not run at all/crashes!
A: Look at Section 10: Troubleshooting
Q: Can DOSBox harm my computer?
A: DOSBox can not harm your computer more than any other resource demanding
program. Increasing the cycles does not overclock your real CPU.
Setting the cycles too high has a negative performance effect on the
software running inside DOSBox.
Q: I would like to change the memory size/cpu speed/ems/soundblaster IRQ.
A: This is possible! Just create a config file: config -writeconf configfile.
Start your favourite editor and look through the settings. To start DOSBox
with your new settings: dosbox -conf configfile
See the description of the config command in Section 4 for more details.
Q: What sound hardware does DOSBox presently emulate?
A: DOSBox emulates several legacy sound devices:
- Internal PC speaker
This emulation includes both the tone generator and several forms of
digital sound output through the internal speaker.
- Creative CMS/Gameblaster
The is the first card released by Creative Labs(R). The default
configuration places it on port 0x220. It should be noted that enabling
this with the Adlib emulation may result in conflicts.
- Tandy 3 voice
The emulation of this sound hardware is complete with the exception of
the noise channel. The noise channel is not very well documented and as
such is only a best guess as to the sound's accuracy.
- Tandy DAC
Emulation of the Tandy DAC utilizes the soundblaster emulation, thus
be sure the soundblaster is not disabled in the DOSBox configuration
file. The Tandy DAC is only emulated at the BIOS level.
- Adlib
This emulation is almost perfect and includes the Adlib's ability to
almost play digitized sound.
- SoundBlaster 16 / SoundBlaster Pro I & II / SoundBlaster I & II
By default DOSBox provides Soundblaster 16 level 16-bit stereo sound.
You can select a different SoundBlaster version in the configfile of
DOSBox (See Internal Commands: CONFIG).
- Disney Soundsource
Using the printer port, this sound device outputs digital sound only.
- Gravis Ultrasound
The emulation of this hardware is nearly complete, though the MIDI
capabilities have been left out, since an MPU-401 has been
emulated in other code.
- MPU-401
A MIDI passthrough interface is also emulated. This method of sound
output will only work when used with a General Midi or MT-32 device.
Q: DOSBox crashes on startup and I'm running arts.
A: This isn't really a DOSBox problem, but the solution is to set the
environment variable SDL_AUDIODRIVER to alsa or oss.
Q: My Build game(Duke3D/Blood/Shadow Warrior) has problems.
A: First of all, try to find a port of the game. Those will offer a
better experience. To fix the graphics problem that occurs in
DOSBox on higher resolutions. Open the configuration file of
DOSBox and search for machine=svga_s3. Change svga_s3 to vesa_nolfb
Q: Great README, but I still don't get it.
A: A look at "The Newbie's pictorial guide to DOSBox" located at
http://vogons.zetafleet.com/viewforum.php?f=39 might help you.
Also try the wiki of DOSBox:
http://www.dosbox.com/wiki/
For more questions read the remainder of this README and/or check
the site/forum:
http://www.dosbox.com
=========
3. Usage:
=========
An overview of the command line options you can give to DOSBox.
Windows Users must open cmd.exe or command.com or edit the shortcut to
dosbox.exe for this.
The options are valid for all operating systems unless noted in the option
description:
dosbox [name] [-exit] [-c command] [-fullscreen] [-conf congfigfile]
[-lang languagefile] [-machine machinetype] [-noconsole]
[-startmapper] [-noautoexec] [-securemode]
[-scaler scaler | -forcescaler scaler]
[-version]
dosbox -version
dosbox -editconf program
dosbox -opencaptures program
dosbox -printconf
dosbox -eraseconf
name
If "name" is a directory it will mount that as the C: drive.
If "name" is an executable it will mount the directory of "name"
as the C: drive and execute "name".
-exit
DOSBox will close itself when the DOS application "name" ends.
-c command
Runs the specified command before running "name". Multiple commands
can be specified. Each command should start with "-c" though.
A command can be: an Internal Program, a DOS command or an executable
on a mounted drive.
-fullscreen
Starts DOSBox in fullscreen mode.
-conf configfile
Start DOSBox with the options specified in "configfile".
Multiple -conf options may be present.
See Section 11 for more details.
-lang languagefile
Start DOSBox using the language specified in "languagefile".
-machine machinetype
Setup DOSBox to emulate a specific type of machine. Valid choices are:
hercules, cga, pcjr, tandy, svga_s3 (default) as well as the additional
svga chipsets listed in the help of the DOSBox configuration file.
svga_s3 enables vesa emulation as well.
For some special vga effects the machinetype vgaonly can be used,
note that this disables svga capabilites and might be (considerably)
slower due to the much higher emulation precision.
The machinetype affects both the videocard and the available soundcards.
-noconsole (Windows Only)
Start DOSBox without showing the console window. Output will
be redirected to stdout.txt and stderr.txt
-startmapper
Enter the keymapper directly on startup. Useful for people with
keyboard problems.
-noautoexec
Skips the [autoexec] section of the loaded configuration file.
-securemode
Same as -noautoexec, but adds config.com -securemode at the
bottom of AUTOEXEC.BAT (which in turn disables any changes to how
the drives are mounted inside DOSBox).
-scaler scaler
Uses the scaler specified by "scaler". See the DOSBox configuration
file for the available scalers.
-forcescaler scaler
Similar to the -scaler parameter, but tries to force usage of
the specified scaler even if it might not fit.
-version
output version information and exit. Useful for frontends.
-editconf program
calls program with as first parameter the configuration file.
You can specify this command more than once. In this case it will
move to second program if the first one fails to start.
-opencaptures program
calls program with as first paramater the location of the captures
folder.
-printconf
prints the location of the default configuration file.
-eraseconf
removes the default configuration file.
Note: If a name/command/configfile/languagefile contains a space, put
the whole name/command/configfile/languagefile between quotes
("command or file name"). If you need to use quotes within quotes
(most likely with -c and mount):
Windows and OS/2 users can use single quotes inside the double quotes.
Other people should be able to use escaped double quotes inside the
double quotes.
Windows: -c "mount c 'c:\program files\'"
Linux: -c "mount c \"/tmp/name with space\""
For example (Windows):
dosbox c:\atlantis\atlantis.exe -c "MOUNT D C:\SAVES"
This mounts c:\atlantis as c:\ and runs atlantis.exe.
Before it does that it would first mount C:\SAVES as the D drive.
In Windows, you can also drag directories/files onto the DOSBox executable.
=====================
4. Internal Programs:
=====================
DOSBox supports most of the DOS commands found in command.com.
To get a list of the internal commands type "HELP" at the prompt.
In addition, the following commands are available:
MOUNT "Emulated Drive letter" "Real Drive or Directory"
[-t type] [-aspi] [-ioctl] [-noioctl] [-usecd number] [-size drivesize]
[-label drivelabel] [-freesize size_in_mb]
[-freesize size_in_kb (floppies)]
MOUNT -cd
MOUNT -u "Emulated Drive letter"
Program to mount local directories as drives inside DOSBox.
"Emulated Drive letter"
The driveletter inside DOSBox (eg. C).
"Real Drive letter (usually for CD-ROMs in Windows) or Directory"
The local directory you want accessible inside DOSBox.
-t type
Type of the mounted directory. Supported are: dir (default),
floppy, cdrom.
-size drivesize
Sets the size of the drive, where drivesize is of the form
"bps,spc,tcl,fcl":
bps: bytes per sector, by default 512 for regular drives and
2048 for CD-ROM drives
spc: sectors per cluster, usually between 1 and 127
tcl: total clusters, between 1 and 65534
fcl: total free clusters, between 1 and tcl
-freesize size_in_mb | size_in_kb
Sets the amount of free space available on a drive in megabytes
(regular drives) or kilobytes (floppy drives).
This is a simpler version of -size.
-label drivelabel
Sets the name of the drive to "drivelabel". Needed on some
systems if the CD-ROM label isn't read correctly (useful when a
program can't find its CD-ROM). If you don't specify a label and no
lowlevel support is selected (that is omitting the -usecd # and/or
-aspi parameters, or specifying -noioctl):
For Windows: label is extracted from "Real Drive".
For Linux: label is set to NO_LABEL.
If you do specify a label, this label will be kept as long as the drive
is mounted. It will not be updated !!
-aspi
Forces use of the aspi layer. Only valid if mounting a CD-ROM under
Windows systems with an ASPI-Layer.
-ioctl (automatic selection of the CD audio interface)
-ioctl_dx (digital audio extraction used for CD audio)
-ioctl_dio (ioctl calls used for CD audio)
-ioctl_mci (MCI used for CD audio)
Forces use of ioctl commands. Only valid if mounting a CD-ROM under
a Windows OS which support them (Win2000/XP/NT).
The various choices only differ in the way CD audio is handled,
preferrably -ioctl_dio is used (lowest workload), but this might not
work on all systems so -ioctl_dx (or -ioctl_mci) can be used.
-noioctl
Forces use of the SDL CD-ROM layer. Valid on all systems.
-usecd number
Valid on all systems, under windows the -noioctl switch has to be
present to make use of the -usecd switch.
Enables to select the drive that should be used by SDL. Use this if
the wrong or no CD-ROM drive is mounted while using the SDL CD-ROM
interface. "number" can be found by "MOUNT -cd".
-cd
Displays all CD-ROM drives detected by SDL, and their numbers.
See the information at the -usecd entry above.
-u
Removes the mount. Doesn't work for Z:\.
Note: It's possible to mount a local directory as CD-ROM drive.
Hardware support is then missing.
Basically MOUNT allows you to connect real hardware to DOSBox's emulated PC.
So MOUNT C C:\GAMES tells DOSBox to use your C:\GAMES directory as drive C:
in DOSBox. It also allows you to change the drive letter identification
for programs that demand specific drive letters.
For example: Touche: Adventures of The Fifth Musketeer must be run on your C:
drive. Using DOSBox and its mount command, you can trick the game into
believing it is on the C drive, while you can still place it where you
like. For example, if the game is in D:\OLDGAMES\TOUCHE, the command
MOUNT C D:\OLDGAMES will allow you to run Touche from the D drive.
Mounting your entire C drive with MOUNT C C:\ is NOT recommended! The same
is true for mounting the root of any other drive, except for CD-ROMs (due to
their read-only nature). Otherwise if you or DOSBox make a mistake you may
lose all your files.
It is recommended to put all your applications/games into a subdirectory
and mount that.
General MOUNT Examples:
1. To mount c:\DirX as a floppy :
mount a c:\DirX -t floppy
2. To mount system CD-ROM drive E as CD-ROM drive D in DOSBox:
mount d e:\ -t cdrom
3. To mount system CD-ROM drive at mountpoint /media/cdrom as CD-ROM drive D
in DOSBox:
mount d /media/cdrom -t cdrom -usecd 0
4. To mount a drive with ~870 mb free diskspace (simple version):
mount c d:\ -freesize 870
5. To mount a drive with ~870 mb free diskspace (experts only, full control):
mount c d:\ -size 512,127,16513,13500
6. To mount /home/user/dirY as drive C in DOSBox:
mount c /home/user/dirY
7. To mount the directory where DOSBox was started as D in DOSBox:
mount d .
(note the . which represents the directory where DOSBox was started)
MEM
Program to display the amount of free memory.
VER
VER set major_version [minor_version]
Display the current DOSBox version and reported DOS version
(parameterless usage).
Change the reported DOS version with the "set" parameter,
for example: "VER set 6 22" to have DOSBox report DOS 6.22
as version number.
CONFIG -writeconf localfile
CONFIG -writelang localfile
CONFIG -securemode
CONFIG -set "section property=value"
CONFIG -get "section property"
CONFIG can be used to change or query various settings of DOSBox
during runtime. It can save the current settings and language strings to
disk. Information about all possible sections and properties can
be found in Section 11 (The Config File).
-writeconf localfile
Write the current configuration settings to file. "localfile" is
located on the local drive, not a mounted drive in DOSBox.
The configuration file controls various settings of DOSBox:
the amount of emulated memory, the emulated soundcards and many more
things. It allows access to AUTOEXEC.BAT as well.
See Section 11 (The Config File) for more information.
-writelang localfile
Write the current language settings to file. "localfile" is
located on the local drive, not a mounted drive in DOSBox.
The language file controls all visible output of the internal commands
and the internal DOS.
-securemode
Switches DOSBox to a more secure mode. In this mode the internal
commands MOUNT, IMGMOUNT and BOOT won't work. It's not possible either
to create a new configfile or languagefile in this mode.
(Warning: you can only undo this mode by restarting DOSBox.)
-set "section property=value"
CONFIG will attempt to set the property to new value. Currently
CONFIG can not report whether the command succeeded or not.
-get "section property"
The current value of the property is reported and stored in the
environment variable %CONFIG%. This can be used to store the value
when using batch files.
Both "-set" and "-get" work from batch files and can be used to set up your
own preferences for each game.
Examples:
1. To create a configfile in your current directory:
config -writeconf dosbox.conf
2. To set the cpu cycles to 10000:
config -set "cpu cycles=10000"
3. To turn ems memory emulation off:
config -set "dos ems=off"
4. To check which cpu core is being used.
config -get "cpu core"
LOADFIX [-size] [program] [program-parameters]
LOADFIX -f
Program to reduce the amount of available conventional memory.
Useful for old programs which don't expect much memory to be free.
-size
number of kilobytes to "eat up", default = 64kb
-f
frees all previously allocated memory
Examples:
1. To start mm2.exe and allocate 64kb memory
(mm2 will have 64 kb less available) :
loadfix mm2
2. To start mm2.exe and allocate 32kb memory :
loadfix -32 mm2
3. To free previous allocated memory :
loadfix -f
RESCAN
Make DOSBox reread the directory structure. Useful if you changed something
on a mounted drive outside of DOSBox. (CTRL - F4 does this as well!)
MIXER
Makes DOSBox display its current volume settings.
Here's how you can change them:
mixer channel left:right [/NOSHOW] [/LISTMIDI]
channel
Can be one of the following: MASTER, DISNEY, SPKR, GUS, SB, FM [, CDAUDIO].
CDAUDIO is only available if a CD-ROM interface with volume control is
enabled (CD image, ioctl_dx).
left:right
The volume levels in percentages. If you put a D in front it will be
in decibel (Example: mixer gus d-10).
/NOSHOW
Prevents DOSBox from showing the result if you set one
of the volume levels.
/LISTMIDI
Lists the available midi devices on your PC (Windows). To select a
device other than the Windows default midi-mapper, add a line
'midiconfig=id' to the [midi] section in the configuration file,
where 'id' is the number for the device as listed by LISTMIDI.
IMGMOUNT
A utility to mount disk images and CD-ROM images in DOSBox.
IMGMOUNT DRIVE [imagefile] -t [image_type] -fs [image_format]
-size [sectorsbytesize, sectorsperhead, heads, cylinders]
IMGMOUNT DRIVE [imagefile1, .. ,imagefileN] -t iso -fs iso
imagefile
Location of the image file to mount in DOSBox. The location can
be on a mounted drive inside DOSBox, or on your real disk. It is
possible to mount CD-ROM images (ISOs or CUE/BIN) as well, if you
need CD swapping capabilities specify all images in succession
(see the next entry).
CUE/BIN pairs are the preferred CD-ROM image type as they can
store audio tracks compared to ISOs (which are data-only). For
the CUE/BIN mounting always specify the CUE sheet.
imagefile1, .. ,imagefileN
Location of the image files to mount in DOSBox. Specifying a number
of image files is only allowed for CD-ROM images. The CD's can be
swapped with CTRL-F4 at any time. This is required for games which
use multiple CD-ROMs and require the CD to be switched during the
gameplay at some point.
-t
The following are valid image types:
floppy: Specifies a floppy image. DOSBox will automatically identify
the disk geometry (360K, 1.2MB, 720K, 1.44MB, etc).
iso: Specifies a CD-ROM iso image. The geometry is automatic and
set for this size. This can be an iso or a cue/bin pair.
hdd: Specifies a harddrive image. The proper CHS geometry
must be set for this to work.
-fs
The following are valid file system formats:
iso: Specifies the ISO 9660 CD-ROM format.
fat: Specifies that the image uses the FAT file system. DOSBox will attempt
to mount this image as a drive in DOSBox and make the files
available from inside DOSBox.
none: DOSBox will make no attempt to read the file system on the disk.
This is useful if you need to format it or if you want to boot
the disk using the BOOT command. When using the "none"
filesystem, you must specify the drive number (2 or 3,
where 2 = master, 3 = slave) rather than a drive letter.
For example, to mount a 70MB image as the slave drive device,
you would type (without the quotes):
"imgmount 3 d:\test.img -size 512,63,16,142 -fs none"
Compare this with a mount to be able to access the drive
within DOSBox, which would read as:
"imgmount e: d:\test.img -size 512,63,16,142"
-size
The Cylinders, Heads and Sectors of the drive.
Required to mount hard drive images.
An example how to mount CD-ROM images:
1a. mount c /tmp
1b. imgmount d c:\myiso.iso -t iso
or (which also works):
2. imgmount d /tmp/myiso.iso -t iso
BOOT
Boot will start floppy images or hard disk images independent of the
operating system emulation offered by DOSBox. This will allow you to
play booter floppies or boot other operating systems inside DOSBox.
If the target emulated system is PCjr (machine=pcjr) the boot command
can be used to load PCjr cartridges (.jrc).
BOOT [diskimg1.img diskimg2.img .. diskimgN.img] [-l driveletter]
BOOT [cart.jrc] (PCjr only)
diskimgN.img
This can be any number of floppy disk images one wants mounted after
DOSBox boots the specified drive letter.
To swap between images, hit CTRL-F4 to change from the current disk
to the next disk in the list. The list will loop back from the last
disk image to the beginning.
[-l driveletter]
This parameter allows you to specify the drive to boot from.
The default is the A drive, the floppy drive. You can also boot
a hard drive image mounted as master by specifying "-l C"
without the quotes, or the drive as slave by specifying "-l D"
cart.jrc (PCjr only)
When emulation of a PCjr is enabled, cartridges can be loaded with
the BOOT command. Support is still limited.
IPX
You need to enable IPX networking in the configuration file of DOSBox.
All of the IPX networking is managed through the internal DOSBox program
IPXNET. For help on the IPX networking from inside DOSBox, type
"IPXNET HELP" (without quotes) and the program will list the commands
and relevant documentation.
With regard to actually setting up a network, one system needs to be
the server. To set this up, type "IPXNET STARTSERVER" (without the quotes)
in a DOSBox session. The server DOSBox session will automatically add
itself to the virtual IPX network. For every additional computer that
should be part of the virtual IPX network, you'll need to type
"IPXNET CONNECT <computer host name or IP>".
For example, if your server is at bob.dosbox.com, you would type
"IPXNET CONNECT bob.dosbox.com" on every non-server system.
To play games that need Netbios a file named NETBIOS.EXE from Novell is
needed. Establish the IPX connection as explained above, then run
"netbios.exe".
The following is an IPXNET command reference:
IPXNET CONNECT
IPXNET CONNECT opens a connection to an IPX tunnelling server
running on another DOSBox session. The "address" parameter specifies
the IP address or host name of the server computer. You can also
specify the UDP port to use. By default IPXNET uses port 213 - the
assigned IANA port for IPX tunnelling - for its connection.
The syntax for IPXNET CONNECT is:
IPXNET CONNECT address <port>
IPXNET DISCONNECT
IPXNET DISCONNECT closes the connection to the IPX tunnelling server.
The syntax for IPXNET DISCONNECT is:
IPXNET DISCONNECT
IPXNET STARTSERVER
IPXNET STARTSERVER starts an IPX tunnelling server on this DOSBox
session. By default, the server will accept connections on UDP port
213, though this can be changed. Once the server is started, DOSBox
will automatically start a client connection to the IPX tunnelling server.
The syntax for IPXNET STARTSERVER is:
IPXNET STARTSERVER <port>
If the server is behind a router, UDP port <port> needs to be forwarded
to that computer.
On Linux/Unix-based systems port numbers smaller than 1023 can only be
used with root privileges. Use ports greater than 1023 on those systems.
IPXNET STOPSERVER
IPXNET STOPSERVER stops the IPX tunnelling server running on this DOSBox
session. Care should be taken to ensure that all other connections have
terminated as well, since stopping the server may cause lockups on other
machines that are still using the IPX tunnelling server.
The syntax for IPXNET STOPSERVER is:
IPXNET STOPSERVER
IPXNET PING
IPXNET PING broadcasts a ping request through the IPX tunnelled network.
In response, all other connected computers will respond to the ping
and report the time it took to receive and send the ping message.
The syntax for IPXNET PING is:
IPXNET PING
IPXNET STATUS
IPXNET STATUS reports the current state of this DOSBox session's
IPX tunnelling network. For a list of all computers connected to the
network use the IPXNET PING command.
The syntax for IPXNET STATUS is:
IPXNET STATUS
KEYB [languagecode [codepage [codepagefile]]]
Change the keyboard layout. For detailed information about keyboard
layouts please see Section 7.
[languagecode] is a string consisting of two (in special cases more)
characters, examples are GK (Greece) or IT (Italy). It specifies
the keyboard layout to be used.
[codepage] is the number of the codepage to be used. The keyboard layout
has to provide support for the specified codepage, otherwise the layout
loading will fail.
If no codepage is specified, an appropriate codepage for the requested
layout is chosen automatically.
[codepagefile] can be used to load codepages that are yet not compiled
into DOSBox. This is only needed when DOSBox does not find the codepage.
Examples:
1. To load the german keyboard layout (automatically uses codepage 858):
keyb gr
2. To load the russian keyboard layout with codepage 866:
keyb ru 866
In order to type russian characters press ALT+RIGHT-SHIFT.
3. To load the french keyboard layout with codepage 850 (where the
codepage is defined in EGACPI.DAT):
keyb fr 850 EGACPI.DAT
4. To load codepage 858 (without a keyboard layout):
keyb none 858
This can be used to change the codepage for the FreeDOS keyb2 utility.
5. To display the current codepage and, if loaded, the keyboard layout:
keyb
For more information use the /? command line switch with the programs.
================
5. Special Keys:
================
ALT-ENTER Switch to full screen and back.
ALT-PAUSE Pause emulation (hit ALT-PAUSE again to continue).
CTRL-F1 Start the keymapper.
CTRL-F4 Change between mounted disk-images. Update directory cache for all drives!
CTRL-ALT-F5 Start/Stop creating a movie of the screen. (avi video capturing)
CTRL-F5 Save a screenshot. (PNG format)
CTRL-F6 Start/Stop recording sound output to a wave file.
CTRL-ALT-F7 Start/Stop recording of OPL commands. (DRO format)
CTRL-ALT-F8 Start/Stop the recording of raw MIDI commands.
CTRL-F7 Decrease frameskip.
CTRL-F8 Increase frameskip.
CTRL-F9 Kill DOSBox.
CTRL-F10 Capture/Release the mouse.
CTRL-F11 Slow down emulation (Decrease DOSBox Cycles).
CTRL-F12 Speed up emulation (Increase DOSBox Cycles).
ALT-F12 Unlock speed (turbo button).
(NOTE: Once you increase your DOSBox cycles beyond your computer's maximum
capacity, it will produce the same effect as slowing down the emulation.
This maximum will vary from computer to computer.)
These are the default keybindings. They can be changed in the keymapper
(see Section 6: Mapper).
Saved/recorded files can be found in current_directory/capture
(this can be changed in the DOSBox configuration file).
The directory has to exist prior to starting DOSBox, otherwise nothing
gets saved/recorded !
==========
6. Mapper:
==========
When you start the DOSBox mapper (either with CTRL-F1 or -startmapper as
a command line argument to the DOSBox executable) you are presented with
a virtual keyboard and a virtual joystick.
These virtual devices correspond to the keys and events DOSBox will
report to the DOS applications. If you click on a button with your mouse,
you can see in the lower left corner with which event it is associated
(EVENT) and to what events it is currently bound.
Event: EVENT
BIND: BIND
Add Del
mod1 hold Next
mod2
mod3
EVENT
The key or joystick axis/button/hat DOSBox will report to DOS applications.
BIND
The key on your real keyboard or the axis/button/hat on your real
joystick(s) (as reported by SDL) which is connected to the EVENT.
mod1,2,3
Modfiers. These are keys you need to have to be pressed while pressing
BIND. mod1 = CTRL and mod2 = ALT. These are generally only used when you
want to change the special keys of DOSBox.
Add
Add a new BIND to this EVENT. Basically add a key from your keyboard or an
event from the joystick (button press, axis/hat movement) which will
produce the EVENT in DOSBox.
Del
Delete the BIND to this EVENT. If an EVENT has no BINDS, then it is not
possible to trigger this event in DOSBox (that is there's no way to type
the key or use the respective action of the joystick).
Next
Go through the list of bindings which map to this EVENT.
Example:
Q1. You want to have the X on your keyboard to type a Z in DOSBox.
A. Click on the Z on the keyboard mapper. Click "Add".
Now press the X key on your keyboard.
Q2. If you click "Next" a couple of times, you will notice that the Z on your
keyboard also produces an Z in DOSBox.
A. Therefore select the Z again, and click "Next" until you have the Z on
your keyboard. Now click "Del".
Q3. If you try it out in DOSBox, you will notice that pressing X makes ZX
appear.
A. The X on your keyboard is still mapped to the X as well! Click on
the X in the keyboard mapper and search with "Next" until you find the
mapped key X. Click "Del".
Examples about remapping the joystick:
You have a joystick attached, it is working fine under DOSBox and you
want to play some keyboard-only game with the joystick (it is assumed
that the game is controlled by the arrows on the keyboard):
1. Start the mapper, then click on one of the arrows in the middle
of the left part of the screen (right above the Mod1/Mod2 buttons).
EVENT should be key_left. Now click on Add and move your joystick
in the respective direction, this should add an event to the BIND.
2. Repeat the above for the missing three directions, additionally
the buttons of the joystick can be remapped as well (fire/jump).
3. Click on Save, then on Exit and test it with some game.
You want to swap the y-axis of the joystick because some flightsim uses
the up/down joystick movement in a way you don't like, and it is not
configurable in the game itself:
1. Start the mapper and click on Y- in the upper joystick field (this
is for the first joystick if you have two joysticks attached) or the
lower joystick field (second joystick or, if you have only one
joystick attached, the second axes cross).
EVENT should be jaxis_0_1- (or jaxis_1_1-).
2. Click on Del to remove the current binding, then click Add and move
your joystick downwards. A new bind should be created.
3. Repeat this for Y+, save the layout and finally test it with some game.
If you change the default mapping, you can save your changes by clicking on
"Save". DOSBox will save the mapping to a location specified in the configuration
file (the mapperfile= entry). At startup, DOSBox will load your mapperfile,
if it is present in the DOSBox configuration file.
===================
7. Keyboard Layout:
===================
To switch to a different keyboard layout, either the entry "keyboardlayout"
in the [dos] section of the DOSBox configuration file can be used, or the
internal DOSBox program keyb.com. Both accept DOS conforming language codes
(see below), but only by using keyb.com a custom codepage can be specified.
The default keyboardlayout=auto currently works under windows only, the
layout is chosen according to the OS layout.
Layout switching
DOSBox supports a number of keyboard layouts and codepages by default,
in this case just the layout identifier needs to be specified (like
keyboardlayout=sv in the DOSBox configuration file, or using "keyb sv"
at the DOSBox command prompt).
Some keyboard layouts (for example layout GK codepage 869 and layout RU
codepage 808) have support for dual layouts that can be activated by
pressing LEFT-ALT+RIGHT-SHIFT and deactivated by LEFT-ALT+LEFT-SHIFT.
Supported external files
The FreeDOS .kl files are supported (FreeDOS keyb2 keyboard layoutfiles) as
well as the FreeDOS keyboard.sys/keybrd2.sys/keybrd3.sys libraries which
consist of all available .kl files.
See http://projects.freedos.net/keyb/ for precompiled keyboard layouts if
the DOSBox-integrated layouts don't work for some reason, or if updated or
new layouts become available.
Both .CPI (MS-DOS and compatible codepage files) and .CPX (FreeDOS
UPX-compressed codepage files) can be used. Some codepages are compiled
into DOSBox, so it is mostly not needed to care about external codepage
files. If you need a different (or custom) codepage file, copy it into
the directory of the DOSBox configuration file so it is accessible for
DOSBox.
Additional layouts can be added by copying the corresponding .kl file into
the directory of the DOSBox configuration file and using the first part of
the filename as language code.
Example: For the file UZ.KL (keyboard layout for Uzbekistan) specify
"keyboardlayout=uz" in the DOSBox configuration file.
The integration of keyboard layout packages (like keybrd2.sys) works similar.
Note that the keyboard layout allows foreign characters to be entered, but
there is NO support for them in filenames. Try to avoid them both inside
DOSBox as well as in files on your host operating system that are accessible
by DOSBox.
==============================
8. Serial Multiplayer feature:
==============================
DOSBox can emulate a serial nullmodem cable over network and internet.
It can be configured through the [serialports] section in the DOSBox
configuration file.
To create a nullmodem connection, one side needs to act as the server and
one as the client.
The server needs to be set up in the DOSBox configuration file like this:
serial1=nullmodem
The client:
serial1=nullmodem server:<IP or name of the server>
Now start your game and choose nullmodem / serial cable / already connected
as multiplayer method on COM1. Set the same baudrate on both computers.
Furthermore, additional parameters can be specified to control the behavior
of the nullmodem connection. These are all parameters:
* port: - TCP port number. Default: 23
* rxdelay: - how long (milliseconds) to delay received data if the
interface is not ready. Increase this value if you encounter
overrun errors in the DOSBox Status Window. Default: 100
* txdelay: - how long to gather data before sending a packet. Default: 12
(reduces Network overhead)
* server: - This nullmodem will be a client connecting to the specified
server. (No server argument: be a server.)
* transparent:1 - Only send the serial data, no RTS/DTR handshake. Use this
when connecting to anything other than a nullmodem.
* telnet:1 - Interpret Telnet data from the remote site. Automatically
sets transparent.
* usedtr:1 - The connection will not be established until DTR is switched
on by the DOS program. Useful for modem terminals.
Automatically sets transparent.
* inhsocket:1 - Use a socket passed to DOSBox by command line. Automatically
sets transparent. (Socket Inheritance: It is used for
playing old DOS door games on new BBS software.)
Example: Be a server listening on TCP port 5000.
serial1=nullmodem server:<IP or name of the server> port:5000 rxdelay:1000
=======================================
9. How to run resource-demanding games:
=======================================
DOSBox emulates the CPU, the sound and graphic cards, and other peripherals
of a PC, all at the same time. The speed of an emulated DOS application
depends on how many instructions can be emulated, which is adjustable
(number of cycles).
CPU Cycles
By default (cycles=auto) DOSBox tries to detect whether a game needs to
be run with as many instructions emulated per time interval as possible.
You can force this behaviour by setting cycles=max in the DOSBox
configuration file. The DOSBox window will display a line "Cpu Cyles: max"
at the top then. In this mode you can reduce the amount of cycles on a
percentage-basis (hit CTRL-F11) or raise it again (CTRL-F12).
Sometimes manually setting the number of cycles achieves better results,
in the DOSBox configuration file specify for example cycles=30000. When
running some DOS application you can raise the cycles with CTRL-F12 even
more, but you will be limited by the power of your actual CPU. You can see
how much free time your real CPU has by looking at the Task Manager in
Windows 2000/XP and the System Monitor in Windows 95/98/ME. Once 100% of
your real CPU time is used there is no further way to speed up DOSBox
unless you reduce the load generated by the non-CPU parts of DOSBox.
CPU Cores
On x86 architectures you can try to force the usage of a dynamically
recompiling core (set core=dynamic in the DOSBox configuration file).
This usually gives better results if the auto detection (core=auto) fails.
It is best accompanied by cycles=max. Note that there might be games
that work worse with the dynamic core, or do not work at all!
Graphics emulation
VGA emulation is a very demanding part of DOSBox in terms of actual CPU
usage. Increase the number of frames skipped (in increments of one) by
pressing CTRL-F8. Your CPU usage should decrease when using a fixed
cycle setting.
Go back one step and repeat this until the game runs fast enough for you.
Please note that this is a trade-off: you lose in fluidity of video what
you gain in speed.
Sound emulation
You can also try to disable the sound through the setup utility of the game
to reduce load on your CPU further. Setting nosound=true does NOT disable
the emulation of sound devices, just the output of sound will be disabled.
Also try to close every program but DOSBox to reserve as much resources
as possible for DOSBox.
Advanced cycles configuration:
The cycles=auto and cycles=max settings can be parameterized to have
different startup defaults. The syntax is
cycles=auto ["realmode default"] ["protected mode default"%]
[limit "cycle limit"]
cycles=max ["protected mode default"%] [limit "cycle limit"]
Example:
cycles=auto 1000 80% limit 20000
will use cycles=1000 for real mode games, 80% CPU throttling for
protected mode games along with a hard cycle limit of 20000
====================
10. Troubleshooting:
====================
DOSBox crashes right after starting it:
- use different values for the output= entry in your DOSBox
configuration file
- try to update your graphics card driver and DirectX
Running a certain game closes DOSBox, crashes with some message or hangs:
- see if it works with a default DOSBox installation
(unmodified configuration file)
- try it with sound disabled (use the sound configuration
program that comes with the game, additionally you can
set sbtype=none and gus=false in the DOSBox configuration file)
- change some entries of the DOSBox configuration file, especially try:
core=normal
fixed cycles (for example cycles=10000)
ems=false
xms=false
or combinations of the above settings,
similar the machine settings that control the emulated chipset and
functionality:
machine=vesa_nolfb
or
machine=vgaonly
- use loadfix before starting the game
The game exits to the DOSBox prompt with some error message:
- read the error message closely and try to locate the error
- try the hints at the above sections
- mount differently as some games are picky about the locations,
for example if you used "mount d d:\oldgames\game" try
"mount c d:\oldgames\game" and "mount c d:\oldgames"
- if the game requires a CD-ROM be sure you used "-t cdrom" when
mounting and try different additional parameters (the ioctl,
usecd and label switches, see the appropriate section)
- check the file permissions of the game files (remove read-only
attributes, add write permissions etc.)
- try reinstalling the game within DOSBox
====================
11. The Config File:
====================
A config file can be generated by CONFIG.COM, which can be found on the
internal DOSBox Z: drive when you start up DOSBox. Look in the internal
programs section of the readme for usage of CONFIG.COM.
You can edit the generated configfile to customize DOSBox.
The file is divided into several sections (the names have [] around it).
Some sections have options you can set.
# and % indicate comment-lines.
The DOSBox configuration file contains the current settings. You can
alter them and start DOSBox with the -conf switch to load the file and
use these settings.
DOSBox will parse configuration files that are specified with -conf. If
none were specified it will try to load "dosbox.conf" from the local
directory. If there is none, DOSBox will load the user configuration
file. This file will be created if it doesn't exist. The file can be
found in ~/.dosbox (Linux) or "~/Library/Preferences" (MAC OS X).
Windows users should use the shortcuts in the startmenu to find it.
======================
12. The Language File:
======================
A language file can be generated by CONFIG.COM (CONFIG -writelang langfile).
Read it, and you will hopefully understand how to change it.
Start DOSBox with the -lang switch to use your new language file.
Alternatively, you can setup the filename in the config file in the [dosbox]
section. There's a language= entry that can be changed with the filename.
========================================
13. Building your own version of DOSBox:
========================================
Download the source.
Check the INSTALL in the source distribution.
===================
14. Special thanks:
===================
See the THANKS file.
============
15. Contact:
============
See the site:
http://www.dosbox.com
for an email address (The Crew-page).
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