Disc mounting in dosbox - Page 1
Forum section: electronics / general

author: geggi1
author_rank: Frequent Contributor
timestamp: March 04, 2023, 09:32:30 am
content: Hi all!I'm looking at a way to use dosbox to run some DOS radio programming software.To keep it flexible I'm using a portable image on a tumb drive.The problem is when changing PC there will be issues because the drive can change letter.Is there a way to mount the drive with a command similar to using %windir% when referring to the location where windows in installed?Code:# Lines in this section will be run at startup.ECHOSet Serial port to COM1 in device manager.ECHO OFFmount C: D:\CC:cd icomex1726.exe /EXPERT

author: golden_labels
author_rank: Super Contributor
timestamp: March 04, 2023, 01:46:54 pm
content: I assume(1)the operating system is Windows. Please specify that kind of information, while asking questions.Windows does not offer a way to use predictable volume or file system paths in a manner, that “just works” with any program. Therefore I believe the general answer is: no. However, a few guesses you may try:IfDosBox supports this path style, you may try identifying the file system using\\?\Volume{id}— whereidstands for file system’s UUID.Otherwise: in volume options there is a feature, which allows you to assign a particular letter to a given volume. I have no idea, if that works for removable media. But, if it does, you can set the same letter your thumb drive on all computers.The third option is bruteforcing all 23 options(2)and checking, if some required file is present.IIRC, batch scripts started from Explorer are executed with the working directory set to where the script is located.Ifthat is true, you can write a script to start DosBox and use relative paths in it.(1)Based on the mention of “drive letters” and “%windir%”.(2)“A:”, “B:” and “C:” are excluded, so checking only covers “D:” to “Z:”.

author: geggi1
author_rank: Frequent Contributor
timestamp: March 04, 2023, 05:39:44 pm
content: I'm running windows 7 but this should not matter because the bat file is running inside the config settings on the Dosbox.I would assume that this will only run native dos comands.Here is the whole config code.With the mapping commands at the end.Code:# This is the configurationfile for DOSBox 0.73.# Lines starting with a # are commentlines.# They are used to (briefly) document the effect of each option.# fullscreen: Start dosbox directly in fullscreen.# fulldouble: Use double buffering in fullscreen.# fullresolution: What resolution to use for fullscreen: original or fixed size (e.g. 1024x768).# windowresolution: Scale the window to this size IF the output device supports hardware scaling.# output: What video system to use for output.# Possible values: surface, overlay, opengl, openglnb, ddraw.# autolock: Mouse will automatically lock, if you click on the screen.# sensitivity: Mouse sensitivity.# waitonerror: Wait before closing the console if dosbox has an error.# priority: Priority levels for dosbox. Second entry behind the comma is for when dosbox is not focused/minimized. (pause is only valid for the second entry)# Possible values: lowest, lower, normal, higher, highest, pause.# mapperfile: File used to load/save the key/event mappings from.# usescancodes: Avoid usage of symkeys, might not work on all operating systems.fullscreen=falsefulldouble=falsefullresolution=originalwindowresolution=originaloutput=surfaceautolock=truesensitivity=100waitonerror=truepriority=higher,normalmapperfile=mapper.txtusescancodes=true# language: Select another language file.# machine: The type of machine tries to emulate.# Possible values: hercules, cga, tandy, pcjr, ega, vgaonly, svga_s3, svga_et3000, svga_et4000, svga_paradise, vesa_nolfb, vesa_oldvbe.# captures: Directory where things like wave, midi, screenshot get captured.# memsize: Amount of memory DOSBox has in megabytes.# This value is best left at its default to avoid problems with some games,# though few games might require a higher value.# There is generally no speed advantage when raising this value.language=machine=svga_s3captures=capturememsize=16# frameskip: How many frames DOSBox skips before drawing one.# aspect: Do aspect correction, if your output method doesn't support scaling this can slow things down!.# scaler: Scaler used to enlarge/enhance low resolution modes. If 'forced' is appended,the scaler will be used even if the result might not be desired.# Possible values: none, normal2x, normal3x, advmame2x, advmame3x, advinterp2x, advinterp3x, hq2x, hq3x, 2xsai, super2xsai, supereagle, tv2x, tv3x, rgb2x, rgb3x, scan2x, scan3x.frameskip=0aspect=falsescaler=normal2x# core: CPU Core used in emulation. auto will switch to dynamic if available and appropriate.# Possible values: auto, dynamic, normal, simple.# cputype: CPU Type used in emulation. auto is the fastest choice.# Possible values: auto, 386, 386_slow, 486_slow, pentium_slow, 386_prefetch.# cycles: Amount of instructions DOSBox tries to emulate each millisecond. Setting this value too high results in sound dropouts and lags. Cycles can be set in 3 ways:# 'auto' tries to guess what a game needs.# It usually works, but can fail for certain games.# 'fixed #number' will set a fixed amount of cycles. This is what you usually need if 'auto' fails.# (Example: fixed 4000)# 'max' will allocate as much cycles as your computer is able to handle## Possible values: auto, fixed, max.# cycleup: Amount of cycles to increase/decrease with keycombo.# cycledown: Setting it lower than 100 will be a percentage.core=autocputype=autocycles=autocycleup=500cycledown=20# nosound: Enable silent mode, sound is still emulated though.# rate: Mixer sample rate, setting any device's rate higher than this will probably lower their sound quality.# Possible values: 22050, 44100, 48000, 32000, 16000, 11025, 8000, 49716.# blocksize: Mixer block size, larger blocks might help sound stuttering but sound will also be more lagged.# Possible values: 2048, 4096, 8192, 1024, 512, 256.# prebuffer: How many milliseconds of data to keep on top of the blocksize.nosound=falserate=22050blocksize=2048prebuffer=10# mpu401: Type of MPU-401 to emulate.# Possible values: intelligent, uart, none.# mididevice: Device that will receive the MIDI data from MPU-401.# Possible values: default, win32, alsa, oss, coreaudio, coremidi, none.# midiconfig: Special configuration options for the device driver. This is usually the id of the device you want to use. See README for details.mpu401=intelligentmididevice=defaultmidiconfig=# sbtype: Type of sblaster to emulate.# Possible values: sb1, sb2, sbpro1, sbpro2, sb16, none.# sbbase: The IO address of the soundblaster.# Possible values: 220, 240, 260, 280, 2a0, 2c0, 2e0, 300.# irq: The IRQ number of the soundblaster.# Possible values: 7, 5, 3, 9, 10, 11, 12.# dma: The DMA number of the soundblaster.# Possible values: 1, 5, 0, 3, 6, 7.# hdma: The High DMA number of the soundblaster.# Possible values: 1, 5, 0, 3, 6, 7.# sbmixer: Allow the soundblaster mixer to modify the DOSBox mixer.# oplmode: Type of OPL emulation. On 'auto' the mode is determined by sblaster type. All OPL modes are Adlib-compatible, except for 'cms'.# Possible values: auto, cms, opl2, dualopl2, opl3, none.# oplemu: Provider for the OPL emulation. compat or old might provide better quality (see oplrate as well).# Possible values: default, compat, fast, old.# oplrate: Sample rate of OPL music emulation. Use 49716 for highest quality (set the mixer rate accordingly).# Possible values: 22050, 49716, 44100, 48000, 32000, 16000, 11025, 8000.sbtype=sb16sbbase=220irq=7dma=1hdma=5sbmixer=trueoplmode=autooplemu=defaultoplrate=22050# gus: Enable the Gravis Ultrasound emulation.# gusrate: Sample rate of Ultrasound emulation.# Possible values: 22050, 44100, 48000, 32000, 16000, 11025, 8000, 49716.# gusbase: The IO base address of the Gravis Ultrasound.# Possible values: 240, 220, 260, 280, 2a0, 2c0, 2e0, 300.# gusirq: The IRQ number of the Gravis Ultrasound.# Possible values: 5, 3, 7, 9, 10, 11, 12.# gusdma: The DMA channel of the Gravis Ultrasound.# Possible values: 3, 0, 1, 5, 6, 7.# ultradir: Path to Ultrasound directory. In this directory# there should be a MIDI directory that contains# the patch files for GUS playback. Patch sets used# with Timidity should work fine.gus=falsegusrate=22050gusbase=240gusirq=5gusdma=3ultradir=C:\ULTRASND# pcspeaker: Enable PC-Speaker emulation.# pcrate: Sample rate of the PC-Speaker sound generation.# Possible values: 22050, 44100, 48000, 32000, 16000, 11025, 8000, 49716.# tandy: Enable Tandy Sound System emulation. For 'auto', emulation is present only if machine is set to 'tandy'.# Possible values: auto, on, off.# tandyrate: Sample rate of the Tandy 3-Voice generation.# Possible values: 22050, 44100, 48000, 32000, 16000, 11025, 8000, 49716.# disney: Enable Disney Sound Source emulation. (Covox Voice Master and Speech Thing compatible).pcspeaker=truepcrate=22050tandy=autotandyrate=22050disney=true# joysticktype: Type of joystick to emulate: auto (default), none,# 2axis (supports two joysticks),# 4axis (supports one joystick, first joystick used),# 4axis_2 (supports one joystick, second joystick used),# fcs (Thrustmaster), ch (CH Flightstick).# none disables joystick emulation.# auto chooses emulation depending on real joystick(s).# Possible values: auto, 2axis, 4axis, 4axis_2, fcs, ch, none.# timed: enable timed intervals for axis. (false is old style behaviour).# autofire: continuously fires as long as you keep the button pressed.# swap34: swap the 3rd and the 4th axis. can be useful for certain joysticks.# buttonwrap: enable button wrapping at the number of emulated buttons.joysticktype=autotimed=trueautofire=falseswap34=falsebuttonwrap=true# serial1: set type of device connected to com port.# Can be disabled, dummy, modem, nullmodem, directserial.# Additional parameters must be in the same line in the form of# parameter:value. Parameter for all types is irq.# for directserial: realport (required), rxdelay (optional).# (realport:COM1 realport:ttyS0).# for modem: listenport (optional).# for nullmodem: server, rxdelay, txdelay, telnet, usedtr,# transparent, port, inhsocket (all optional).# Example: serial1=modem listenport:5000# Possible values: dummy, disabled, modem, nullmodem, directserial.# serial2: see serial1# Possible values: dummy, disabled, modem, nullmodem, directserial.# serial3: see serial1# Possible values: dummy, disabled, modem, nullmodem, directserial.# serial4: see serial1# Possible values: dummy, disabled, modem, nullmodem, directserial.serial1=directserial realport:COM1serial2=directserial realport:COM2serial3=disabledserial4=disabled# xms: Enable XMS support.# ems: Enable EMS support.# umb: Enable UMB support.# keyboardlayout: Language code of the keyboard layout (or none).xms=trueems=trueumb=truekeyboardlayout=auto# ipx: Enable ipx over UDP/IP emulation.ipx=falseparallel1=printerprintoutput=printerdevice="Microsoft Print to PDF"# Lines in this section will be run at startup.ECHOSet Serial port to COM1 in device manager.ECHO OFFmount C: D:\CC:cd icomex1726.exe /EXPERT

author: golden_labels
author_rank: Super Contributor
timestamp: March 04, 2023, 10:20:20 pm
content: Quote from: geggi1 on March 04, 2023, 05:39:44 pmCommands, which interact with external world (likemount), are dependent on the operating system. It would be pretty useless, if I told you how to do that one some Linux distro, Android or MacOS.

author: geggi1
author_rank: Frequent Contributor
timestamp: March 05, 2023, 09:52:16 am
content: Solved it!Did google a bit and figured out a solution by using variables.Used the %CD% command to set a variable.Than used the variable as the first part of the path for the drive to map.New code.Code:# Lines in this section will be run at startup.ECHOSet Serial port to COM1 in device manager.ECHO OFFSET/P dri=%CD%mount C: %dri%\CC:cd icomex1726.exe /EXPERTOld code.Code:# Lines in this section will be run at startup.ECHOSet Serial port to COM1 in device manager.ECHO OFFmount C: D:\CC:cd icomex1726.exe /EXPERT