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Releases: joncampbell123/dosbox-x

DOSBox-X 0.83.25 2022-05-01 08:07

01 May 15:13
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Note: Installation instructions are available from the INSTALL page. Also, always check out the DOSBox-X homepage for latest updates.

For usage information please look at the DOSBox-X user guide, which is available from the DOSBox-X Wiki.

0.83.25

  • XGA: Do not register XGA I/O ports unless emulating
    S3 chipset (such as machine=svga_s3) (joncampbell123)
  • Menu options "Force scaler" and "Print text screen"
    can now be assigned to keyboard shortcuts from the
    Mapper Editor. (Wengier)
  • Allowed to boot from Toshiba DOS image file for the
    Toshiba J-3100 emulation. (nanshiki)
  • Default S3 machine types now support XGA/SXGA VText
    in DOS/V, in addition to svga_et4000. (nanshiki)
  • Added "j3100backcolor" and "j300textcolor" config
    options (in [dosv] section) to specify background
    and text colors in J-3100 mode. (nanshiki)
  • Added config option "aspect_ratio" (in [render]
    section) which when set will force the specified
    aspect ratio (e.g. 16:9 or 3:2) in the aspect ratio
    correction mode (i.e. aspect=true). A menu group
    "Aspect ratio" is added to "Video" menu for users
    to select or set an aspect ratio, including an
    original ratio option. (Wengier)
  • Added config option "show recorded filename" (in
    [dosbox] section) which when set to true (default)
    will show message boxes with recorded filenames
    when making audio or video captures. (Wengier)
  • Added config option "allow quit after warning" (in
    [dosbox] section) which when set to false DOSBox-X
    will disallow the quit option after displaying a
    warning message. (Wengier)
  • Added config option "turbo last second" (in [cpu]
    section) which allows to stop the Turbo function
    after specified number of seconds. (Wengier)
  • Updated FLAC, MP3, and WAV decoder libraries to the
    latest versions (v0.12.38, v0.6.32, and v0.13.6)
    respectively; per David Reid). (Wengier)
  • Added support for upper case characters (A-Z) for
    AUTOTYPE command. (kcgen)
  • Added /T option for CHOICE command to set a default
    choice as in DOS, e.g. CHOICE /T:Y,3 (Wengier)
  • Added Korean language option in Windows installer.
    Also, language option page will be shown regardless
    of the output option selected. (Wengier)
  • Add stub INT 10h handler at F000:F065 if
    machine=vgaonly and using a VGA ROM BIOS image.
    The IBM VGA ROM BIOS image points INT 42h at that
    fixed address and calls it for any function it does
    not understand. (joncampbell123)
  • Set int33 event status bit 8 when passing absolute
    mouse coordinates, which is useful in emulation or
    virtualization environments where the mouse may be
    integrated with the host cursor. (javispedro)
  • Added support for Pentium Pro hinting NOPs and
    related multi-byte NOPs. (Jookia)
  • Updated HX DOS Extender to latest version 2.19 for
    HX-DOS builds. (Wengier)
  • DOSBox-X returns 1 instead of 0 when E_Exit occurs
    or unit tests fail. (Wengier)
  • Fixed built-in IPX and Modem emulation unavailable
    in MinGW builds. (Wengier)
  • Fixed -machine command-line option (as listed by
    "INTRO USAGE" command) not working. (Wengier)
  • Fixed lockup in classic Jumpman. (maron2000)
  • Fixed color in some modes under x86-64 macOS SDL2
    builds. (myon98)
  • Fixed extra INT 10h call during BIOS screen. The
    extra call caused crashes when combined with a ROM
    image of the stock IBM VGA BIOS. (joncampbell123)
  • Fixed fscale FPU operation and updated FPU status
    word. Also fixed FPU stack value log messages on
    x86-based builds. (cimarronm)
  • Fixed bug that OpenGL Voodoo window may not appear
    correctly if the DOSBox-X window was previously in
    full-screen mode in some builds. DOSBox-X will now
    ensure a switch to window mode (or maximized window
    mode) in this case. Also fixed some menu options
    including rebooting DOSBox-X while Voodoo emulation
    is currently active. (Wengier)
  • Fixed crash when switching to dynamic_rec core from
    menu when dynamic_x86 is also available. Also fixed
    the dynamic_rec core may not be displayed correctly
    in the menu when a language file is used. (Wengier)
  • Fixed Windows resource information. (Wengier)
  • Fixed a buffer overflow when launching a program.
    (Jookia)
  • Fixed bug where DOS IOCTL would call device control
    channel on devices which did not advertise support
    for IOCTL. (cimarronm)
  • Clean up of DOS device and attribute flag usage
    (cimarronm)
  • Integrated commits from mainline (Allofich)
    • Use real pointer with font data for reading
      characters. Also ignore page number for modes with
      only one page.

DOSBox-X 0.83.24 2022-04-01 08:00

01 Apr 15:04
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Note: Installation instructions are available from the INSTALL page. Also, always check out the DOSBox-X homepage for latest updates.

For usage information please look at the DOSBox-X user guide, which is available from the DOSBox-X Wiki.

0.83.24

  • Release notes for this version:
    https://dosbox-x.com/release-0.83.24.html
  • PC-98: Search for FONT.ROM in resources directory
    in addition to the working directory. (bsdf)
  • Add S3 Vision964 and Vision968, based on existing
    support for the Vision864/868 chips (rderooy).
  • APM BIOS: When the guest calls the APM BIOS to go
    into suspend or standby mode, emulate a suspended
    or standby mode. Spacebar resumes the guest machine.
    Blank the display (if VGA/SVGA machine type) upon
    suspend/standby and unblank upon leaving it.
    (joncampbell123)
  • APM BIOS: Add dosbox-x.conf option to control
    whether the power button triggers a suspend or
    standby event. (joncampbell123)
  • APM BIOS: Add power button mapper event, tie
    power button to APM BIOS, return power button as
    APM suspend event, add code to APM BIOS to handle
    suspend and resume events. Windows 98 no longer
    complains about the inability to suspend or go to
    standby. (joncampbell123)
  • APM BIOS: Limit debug logging of APM BIOS function
    AH=05h (CPU IDLE) because Windows 98 likes to call
    that function way too often. Once a millisecond, in
    fact! The log spam makes it difficult to see
    anything important scroll by while debugging.
    (joncampbell123).
  • Revise S3 Trio64 XGA line drawing code to
    add comments, and obey the "skip last pixel" bit
    so that the Windows drivers can better draw polygon
    line segments. This fixes broken XOR polylines in
    Windows 3.1 and Microsoft Word 2.0. (joncampbell123)
  • Add S3 ViRGE accelerated XGA line drawing function.
    Windows 3.1 through Windows 98 can now draw lines
    with hardware acceleration. (joncampbell123)
  • Merge code to help preserve long filename when
    older program writes/overwrites the 8.3 filename.
  • Change "fpu" config setting to an enumeration
    that still accepts true and false, but now also
    accepts auto, 287, and 387. It is now possible to
    specify fpu=287 and cputype=386 to emulate a 386
    paired with a 287 chip as is said to be how early
    386 Compaq systems were wired, for example.
    (joncampbell123)
  • 3Dfx Voodoo window is now resizable (inc. maximized
    window) when using OpenGL mode, in addition to the
    software mode. (MartyShepard, kekko, Wengier)
  • Menu options "CJK: Switch between DBCS/SBCS modes",
    CJK: Auto-detect box-drawing characters", and "Reset
    color scheme" (in "Video" -> "TTF options") are now
    assignable in Mapper Editor. (Wengier)
  • The "colors" config setting now allows a leading
    "+" character to stay the specified color scheme when
    switching from another output. (Wengier)
  • SETCOLOR command allows a syntax like "SETCOLOR 1 +"
    to return the specified color number to the preset
    value (as specified by "colors" setting). (Wengier)
  • When using TTF output, DOSBox-X will dim the topmost
    line when the window is inactive in full-screen or
    menuless mode as in vDosPlus. (emendelson)
  • IMGMOUNT command now accepts wildcards, such as
    "IMGMOUNT A disk*.img" to mount image files matching
    the given pattern. (Wengier)
  • Added CuteMouse wheel mouse extension so that DOS
    programs such as DOS Navigator 2 can make use of it.
    It is enabled when mouse wheel movement conversion is
    currently disabled. (FeralChild & Wengier)
  • Implemented basic support for VMware mouse protocol
    so that when used together with e.g. the VMware mouse
    driver for Windows 3.x, the mouse will be seamlessly
    integrated with the host system, and can enter/exit
    the DOSBox-X window without having to capture/release
    the mouse. Config option "vmware" is added (in [dos]
    section) which allows to disable VMware mouse guest
    integration. (FeralChild, Wengier, joncampbell123)
  • When country number is not specified and cannot be
    obtained from system, DOSBox-X will try to map the
    keyboard layout to country number. The country list
    is also extended. (Wengier & FeralChild)
  • Added "-nolog" command-line option to disable logging
    output completely, and "Disable logging output" menu
    option in "Debug" menu to toggle this. (Wengier)
  • Updated EGA?.CPX and KEYBOARD.SYS/KEYBRD?.SYS to the
    latest version from FreeDOS. The CPX files now appear
    in CPI directory of Z drive, which can be replaced by
    files provided by the user. (FeralChild & Wengier)
  • Fix lockup when printing in dBase IV. (Wengier)
  • Fix crash/restart when running Wing Commander with
    EMS memory enabled. (grapeli)
  • Fix possible buffer overflow issue that may happen
    in certain conditions. (maron2000)
  • Fix NewWadTool 1.3 unable to play music by ensuring
    that periodic timer interrupt is triggered on every
    cmos_timerevent. (cimarronm)
  • Fix handling of some DOS file I/O device drivers that
    expect a pre-filled input-buffer on READ function and
    also do not like to be called for every single byte
    in that buffer may not work correctly. (leecher1337)
  • Fix FPU emulation to use 8087 FENI/FDISI behavior
    when cputype=8086 or cputype=80186. (joncampbell123)
  • Fix FPU emulation to correctly emulate 80287 -/+inf
    compare behavior even if compiled for x86 targets
    where C_FPU_X86 uses the host FPU. (joncampbell123)
  • Fix audio speech stuttering issue in SpaceQuest 4
    v1.3 using Sound Blaster. (grapeli & rderooy)
  • Fix issue with Lemmings palette swapping not working
    properly. (maron20000 & grapeli)
  • Updated MT32emu to version 2.6.1. (maron20000)
  • Updated DOSMID to version 0.9.6. (Wengier)
  • Integrated commits from mainline (Allofich)
    • Indicate in BIOS memory when keyboard ACK received.
      Fixes Soko-ban Revenge.
    • Fix execution of small COM programs on PCjr machine
      type.

DOSBox-X 0.83.23 2022-02-28 22:32

01 Mar 06:41
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For usage information please look at the DOSBox-X user guide, which is available from the DOSBox-X Wiki.

0.83.23

  • Fixed XGA accelerated rendering for ViRGE emulation
    and 24 bits/pixel display modes. Since Windows drivers
    insist on 24bpp, this is necessary for
    "Truecolor (24-bit)" to display and render correctly.
  • dosbox-x.conf option "vesa vbe 1.2 modes are 32bpp" is
    now "true", "false" or "auto", where "auto" determines
    this setting based on which S3 chipset is being
    emulated. It seems the Windows drivers for ViRGE
    chipsets require 24bpp for truecolor modes, in fact,
    they do not even offer 32bpp as an option. Since
    the Windows 3.1/95/98 drivers use VESA BIOS calls to
    set video modes, this implies that the VESA BIOS on
    ViRGE cards are also making the base modes 24bpp rather
    than 32bpp. Note that the Windows drivers for older S3
    chipsets are perfectly happy to use 32bpp unless you
    select "16.7 million colors (1 Meg)" in Windows 3.1,
    which is the only option in those drivers to offer
    24bpp. To avoid grief with DOSBox-X users, "auto"
    is the default setting.
  • Added basic S3 ViRGE XGA acceleration. It's enough for
    90% of the GDI functions in Windows 3.1 so far.
  • Fixed S3 rectangle XGA accelerated pattern blit, when
    using display memory as the pattern mask source, to
    follow S3 Trio32/Trio64 documentation, instead of the
    DOSBox SVN educated guess, to resolve some edge cases
    where the wrong color is chosen to draw filled rectangles
    in Windows 3.1. This fixes the "basement" in Microsoft
    Creative Writer so that clicking around no longer leaves
    white boxes on the screen.
  • Extend 256-color foreground/background color behavior
    from S3 86c928 to Vision864 and Vision868 as Windows
    95 behavior suggests they handle the hardware cursor
    the same way in 256-color mode.
  • Extend "divide cursor X position by bytes per pixel"
    behavior from S3 86c928 to Vision864 and Vision868
    emulation as well, based on Windows 3.1 video driver
    behavior.
  • Gravis Ultrasound: Most I/O registers except port 3x4
    are intended for 8-bit I/O. If 16-bit I/O occurs to
    such registers, handle as two 8-bit I/O cycles. I
    found something in the Demoscene (1997 demo "Atlantis,
    Deep Like A Sea") that uses a 16-bit I/O write to write
    current channel and register select in one write.
    Prior to this fix, there was no music other than quiet
    popping noises in DOSBox-X.
  • Sound Blaster: Fixed DSP command 0x48 (Set DSP block
    transfer size) to accept block size as BYTES as
    standardized by Creative and convert to SAMPLES
    internally. This fixes stuttering voices in Freddy
    Pharkas when sbtype=sb16. (joncampbell123)
  • Avoid crashes due to assertion failure when media
    keys are pressed (maron2000)
  • Fix CD audio playback failure (cue + mp3) when
    trying to play from pregap sectors. (maron2000)
  • Change default value of mt32.rate to 48kHz to match
    default value of mt32.analog option. (maron2000)
  • Fix a buffer overflow issue in dos.cpp (maron2000)

DOSBox-X 0.83.22 2022-01-31 23:31

01 Feb 07:39
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For usage information please look at the DOSBox-X user guide, which is available from the DOSBox-X Wiki.

0.83.22

  • Added Pentium 3 Processor Serial Number emulation.
    Serial number can be set from dosbox-x.conf or not
    set, in which case it will act as if disabled by the
    BIOS. (joncampbell123).
  • Added Pentium III cputype, added SSE register set,
    added SSE instructions to debugger disassembler,
    added some initial SSE instructions. (joncampbell123)
  • Added some MSRs expected by Linux, Windows, and
    tools like CPU-Z to make them happy. (joncampbell123)
  • Added FXSAVE/FXRSTOR which makes Linux happy with
    Pentium III emulation. (joncampbell123)
  • Allow WRMSR to set time stamp counter, as it is known
    though undocumented a standard since the Pentium
    (joncampbell123).
  • Added debugger command to show global and per-voice
    status of the Gravis Ultrasound emulation. May come
    in handy for programmers who wish to write their own
    GUS routines, and for Trixter who brought up the
    subject of determining whether a program plays music
    with the GUS or treats it like a dumb sound card.
    (joncampbell123).
  • Added debugger command to show SSE register file, and
    to set SSE register contents. (joncampbell123)
  • Added debugger command to show MMX register file, and
    to set MMX register contents. (joncampbell123)
  • Added support for expressions within parenthesis in
    debugger expression handling. (joncampbell123)
  • Added & (AND), ^ (XOR), and | (OR) operators, and
    << and >> bit shift operators to debugger expression
    handling. (joncampbell123)
  • Added multiply (*) and divide (/) operators to debugger
    expression handling. Order of operations applies, so
    given mixed addition and multiplication, the multiply
    is done first then the result is added. Also added
    support for the modulo (%) operator to the debugger
    expression handling. (joncampbell123)
  • Revised debugger expression handling to correctly
    parse arithmetic operators with order of operations
    in mind. Prior to this fix, consecutive subtraction
    would cause seemingly illogical results, for example
    "10-1-1-1" would yield "9" instead of "7" because
    subtraction was handled in the wrong order. This fix
    also makes mixed addition and subtraction possible.
    NOTICE: Remember that all numbers going in and
    coming out of the expression handler are hexadecimal,
    NOT decimal! (joncampbell123)
  • Fixed simple expression handling in the debugger.
    Revised hexadecimal vs register parsing so that
    hexadecimal numbers that happen to start with
    the name of certain CPU flag registers does not
    cause confusing results. Prior to this fix,
    hexadecimal numbers like "dfe" or "af0" were
    impossible to enter without leading zeros or
    quotes because the parser would confuse the
    first digits with the DF and AF bits of the FLAGS
    register. (joncampbell123)
  • Added menu options "AMD Athlon 600MHz" and "Pentium
    III 866MHz EB" within the group "Emulate CPU speed"
    (under "CPU") for CPU speeds to emulate. (Wengier)
  • Added support for archive, hidden, system attributes
    on mounted local and overlay drives for non-Windows
    platforms by using special file(s). (Wengier)
  • Added config option "special operation file prefix"
    (in [dos] section) to speciay an alterantive file
    prefix for DOSBox-X's special operations on mounted
    local and overlay drives. (Wengier)
  • Added code page 3021 for the MIK character set used
    by the Bulgarian language (as in FreeDOS). (Wengier)
  • Added language file for the Brazilian Portuguese,
    available from Windows installer. (altiereslima)
  • For piping (|), DOSBox-X will now also try C: drive
    as a temporary piping path if current directory is
    read-only and the environment variable %TEMP% (or
    %TMP%) is not set. (Wengier)
  • For clipboard copy, CR+LF will now be used instead
    of LF on Windows for better compatibility. (Wengier)
  • Disk images are automatically mounted as read-only
    (instead of failing) now if the image files are
    read-only and the users do not explicitly specify
    read-only mode for the disk images. (Wengier)
  • The default value of config option "autofixwarning"
    (in [dos] section) is now "false", and it is now
    changeable via CONFIG command. (Wengier)
  • The default output for Linux SDL1 builds is changed
    from opengl to surface, unlike Linux SDL2 builds
    whose default output remains opengl. (Wengier)
  • Native Windows menus is supported in Windows SDL2
    builds just like Windows SDL1 builds. It is possible
    to force SDL-drawn menus for both Windows SDL1 and
    SDL2 builds at compile time. (Wengier)
  • Setting "windowposition" to "-" in the configuration
    will leave DOSBox-X window position as is instead of
    a specific position or being centered. (Wengier)
  • For printing, the SarasaGothicFixed TTF font will
    also be searched for DBCS code pages. (Wengier)
  • Added config option "showdbcsnodosv" (in the [dosv]
    section) which when set to true enables rendering of
    Chinese/Japanese/Korean characters for DBCS code
    pages in non-DOS/V, non-PC98, and non-TTF mode.
    Video capturing started from TTF output will enable
    DBCS characters when possible. (Wengier)
  • Changing DBCS code pages is supported for standard
    modes (i.e. non-DOS/V, non-PC98 and non-TTF modes)
    using CHCP command. (Wengier)
  • Fixed issues with certain DBCS characters for the
    DOS/V system. (Wengier)
  • Fixed slow blinking text in TTF output. (Wengier)
  • Fixed copying box drawing characters to clipboard
    not working in non-TTF JEGA mode. (Wengier)
  • Fixed background for the Configuration Tool when
    the TTF output is active. (Wengier)
  • Fixed DBCS characters not showing up when capturing
    screenshots in TTF CJK mode, or they do not show up
    properly in the Configuration Tool when "autodbcs"
    is set to "false" in the configuration. (Wengier)
  • Fixed media keys presses by ignoring these keys in
    Windows SDL1 builds. (maron2000)
  • Fixed IOCTL & ASPI interfaces for mounting physical
    CD drives on the Windows platform. (Wengier)
  • Fixed the issue of loading scalers in the previous
    version. A message box will only show up if you
    append "prompt" to the scaler option. (Wengier)

DOSBox-X 0.83.21 2021-12-31 18:28

01 Jan 02:41
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Note: Installation instructions are available from the INSTALL page. Also, always check out the DOSBox-X homepage for latest updates.

For usage information please look at the DOSBox-X user guide, which is available from the DOSBox-X Wiki.

Happy New Year 2022!

0.83.21

  • Release notes for this version:
    https://dosbox-x.com/release-0.83.21.html
  • Improved clipboard copying & pasting for different
    code pages including box-drawing characters in DBCS
    code pages. Also, for the J-3100 mode, the selected
    text will now be highlighted when you try to select
    text for copying. (Wengier)
  • Improved IME support for Chinese/Japanese/Korean
    languages on Windows builds. (Wengier)
  • Pausing the emulation will automatically release
    the mouse and prevent mouse capture. (Wengier)
  • For Configuration Tool, a "..." button is added to
    properties which have limited numbers of values so
    that when clicking their possible values will be
    shown in a new dialog and can be selected directly.
    Also, more settings will be applied immediately when
    modified from the Configuration Tool. (Wengier)
  • For Windows SDL1 builds, DOSBox-X will now try to
    prevent the Windows menus from separating into more
    than one lines due to small window width. (Wengier)
  • If a scaler as specified in the config may not work
    as expected and if not forced, DOSBox-X will show a
    a message box asking whether to load it. (Wengier)
  • Config option "pixelshader" now allows a shader file
    name without the .fx extension, or a shader file in
    the current directory. (Wengier)
  • Added support for ENET reliable UDP as an option for
    modem and null-modem emulation. You can enable it
    with "sock:1" option for modems/null-modems that are
    connected with serial ports (COM1-COM9), such as
    "serial1=modem listenport:5000 sock:1" for COM1 to
    listen to port 5000 with reliable ENET UDP instead
    of TCP connection. The feature is ported from DOSBox
    Staging. (sduensin, GranMinigun, kcgen, Wengier)
  • Added new command-line option "-o" for providing
    command-line option(s) if programs(s) are specified
    to start when you launch DOSBox-X. An example:
    dosbox-x program.exe -o "opt1 opt2". (Wengier)
  • Added special properties to CONFIG command including
    "cd", "date", "errorlevel", "random", "time", and
    "lastmount" so that commands like "CONFIG -GET cd"
    and "CONFIG -GET errorlevel" will get current DOS
    directory and ERRORLEVEL value. The returned value
    will also be saved to %CONFIG% variable. (Wengier)
  • Added "Enter Debugger Command" button to "DOSBox-X
    logging output" and "Code overview" windows (from
    "Debug" menu") for users to enter some debugger
    command(s) and see the result. (Wengier)
  • Added debugger commands DATE and TIME to view or
    change DOSBox-X's internal date and time, using the
    same date and time formats as the shell DATE and
    TIME commands, e.g. "TIME 10:11:12". (Wengier)
  • Added config option "badcommandhandler" (in [dos]
    section) which allows to specify a custom error
    handler program before error message "Bad command
    or file name" shows up in the DOS shell. (Wengier)
  • Added config option "stop turbo on key" (in [cpu]
    section) which allows to automatically stop the
    Turbo (fast forward) mode when a keyboard input
    has been detected. (Wengier)
  • Added config option "fat32setversion" (in [dos]
    section) which controls whether DOSBox-X should
    automatically set reported DOS version to 7.0/7.10
    when it's less than 7.0/7.10 and mounting LBA/FAT32
    disk images is requested. It defaults to "ask" so
    that DOSBox-X will ask in this case. (Wengier)
  • Added config option "j3100colorscroll" (in [dosv]
    section) which defaults to "false" and allows the
    J-3100 version of SimCity and VGA version of the
    Toshiba Windows 3.1 to run, whereas CGA/EGA version
    of the latter requires a "true" setting. (nanshiki)
  • Added config options (in "ethernet, slirp" section)
    "tcp_port_forwards" and "udp_port_forwards" for port
    forwarding when using the Slirp backend. (kcgen)
  • Added code pages 737 (Greek) and 775 (Baltic) for
    the guest-to-host code page conversions. (Wengier)
  • Added UTF8 and UTF16 commands to convert UTF-8 and
    UTF-16 text to view in the current code page. For
    example, the command "UTF8 < UTF8TEXT.TXT" will
    output converted text UTF8TEXT.TXT in the current
    code page, and for UTF16 command there are optional
    /BE & /LE options to specify endianness. (Wengier)
  • Added support for DBCS characters located in UNC
    network paths of the form \COMPUTER\FOLDER\FILE
    on the Windows platform. (Wengier)
  • Added hidden code page 951 for Big5-HKSCS encoding
    or Big5 Unicode-At-On (Big5-UAO) encoding. Config
    option "uao" is added in [ttf] section so that if
    set to "true" code page 951 will use the Big5-UAO
    encoding instead of the Big-HKSCS encoding, the
    latter being the default for CP951. If ChinaSea is
    enabled, ChinaSea characters will be used instead
    of original characters in these encodings. (Wengier)
  • Added -nl option for MOUNT command to automatically
    find the next available drive letter to mount if
    the specified drive is already mounted. This allows
    multiple directories to be mounted when DOSBox-X
    starts with multiple [name] arguments. (Wengier)
  • Added HISTORY command to display or clear command-
    line history for the internal DOS shell. (Wengier)
  • Added ASSOC command to view/change file extension
    associations. You can define a command or program
    to open a file with a specific file extension, e.g.
    "assoc .txt=edit" to open .TXT files with the EDIT
    command when entering the .TXT file name from the
    DOS command line. Wildcards are allowed, such as
    "assoc .*=dir", although in such case exceptions
    including "assoc .com=com", "assoc .exe=exe", and
    "assoc .bat=bat" are probably desired. (Wengier)
  • Commands CHOICE and COUNTRY are external commands
    that appear on the Z drive (Z:/DOS/CHOICE.COM and
    Z:/SYSTEM/COUNTRY.COM respectively) now rather than
    internal shell commands. COUNTRY command now also
    affects thousand and decimal separators. (Wengier)
  • The internal Virtual Drive Z: can now be rescanned
    just like mounted local drives. (Wengier)
  • You can now change most config options in [printer]
    section of the configuration for the virtual printer
    with CONFIG -set commands. (Wengier)
  • Added missing ChinaSea characters in code page 950
    with ChinaSea/Big5-2003 extension enabled. (Wengier)
  • Added support for Bash-shell completion for DOSBox-X
    on non-Windows platforms. (rderooy & FeignInt)
  • Improved DBCS support for DOS commands including
    ATTRIB, ECHO, TYPE, MORE, and TRUENAME. (Wengier)
  • Improved checking of segment limits. (joncampbell123)
  • Mac OS X builds from now on will use an in-tree tool
    to replace dylib references in all executable files.
    XCode install_name_tool is no longer used, it became
    a hypocondriac and is sitting in the corner screaming
    about link edit data that doesn't fill a __LINKEDIT
    segment. It is once again possible to make Mac OS X
    ARM releases and to use dylib files from Brew doing
    so. (joncampbell123)
  • Fix IPL1 partition choice debug message to actually
    show the partition index chosen, not the -partidx
    option variable, which if not given by the user, is
    -1 and was reported as a very large unsigned
    number. (joncampbell123)
  • Fixed command-line options -starttool & -startmapper
    not showing messages from specified language file
    for Configuration Tool and Mapper Editor. (Wengier)
  • Fixed an issue with RENDER_Reset function while
    loading previously saved states. (yetmorecode)
  • Fixed E_Exit "RET from illegal descriptor type 0"
    when running DirectX diagnostic program (dxdiag)
    from a guest Windows 98 system. (Wengier)
  • Fixed "parallel?=file openwith:xxx" not working if
    a file name is not provided. (Wengier)
  • Fixed crash in the following config combination:
    output=ttf, machine=pc98, dosvfunc=true. (Wengier)
  • Fixed Disney sound source connecting to parallel
    port not working in the previous version. (Wengier)
  • Fixed NET command from Windows for Workgroups 3.11
    not working from the internal DOS shell. (Wengier)
  • Fixed MODE command options like "rate" and "delay"
    not working if entered in upper cases. (Wengier)
  • Fixed command-line parameters (when launching
    DOSBox-X) containing Chinese characters in code page
    950 not working in Windows SDL2 builds. (Wengier)
  • Integrated commits from mainline (Allofich)
    • Improve BIOS FDD motor timeout counter, most
      notably for earlier PCs. Fixes a Chinese variant
      of Space Harrier.

DOSBox-X 0.83.20 2021-11-30 23:26

01 Dec 07:34
71ebd3b
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Note: Installation instructions are available from the INSTALL page. Also, always check out the DOSBox-X homepage for latest updates.

For usage information please look at the DOSBox-X user guide, which is available from the DOSBox-X Wiki.

For Windows users, it is recommended to use the Windows installer(s) for a more complete installation.

0.83.20

  • Release notes for this version:
    https://dosbox-x.com/release-0.83.20.html
  • Implemented support for Pentium II cputype (with
    the setting "cputype=pentium_ii" in [cpu] section),
    and added Pentium II SYSENTER/SYSEXIT instructions
    to normal core and debugger disassembler. The two
    instructions are supported for Pentium II cputype.
    CPUID for Pentium II will now report stepping 3 and
    model 3 which is a minimum requirement for OSes to
    attempt to use SYSENTER/SYSEXIT. Silencing for
    RDMSR/WRMSR and SYSENTER/SYSEXIT debug messages is
    removed while CPU "debug spew" is silenced by
    default. MSRs related to Intel microcode are added
    because both Linux and Windows ME probe those MSRs
    if Pentium II emulation reports stepping 3 model 3.
    The microcode MSRs are silently ignored. Moreover,
    the MSR register 0x0000001B has been added to
    Pentium II emulation. DOSBox-X does not emulate a
    local APIC but Windows ME assumes that MSR is
    present and reads/writes it on startup if DOSBox-X
    reports itself as a Pentium II. (joncampbell123)
  • Added support for DCGA and Toshiba J-3100 emulation
    modes by importing code from DOSVAXJ3 by nanshiki.
    The J-3100 emulation mode can be enabled with the
    option "dosv=jp" along with a non-off setting of
    "j3100" option in [dosv] section. For example, with
    "j3100=on" or "j3100=auto" (and "dosv=jp") J-3100
    system will be enabled and activated at start. With
    "j3100=manual" (and "dosv=jp") J-3100 system will
    be enabled and not activated at start, but there is
    now a DCGA command to enter DCGA (either English or
    J-3100 DCGA, depending on if J-3100 is enabled)
    mode from other video modes. (nanshiki & Wengier)
  • Added support for unit tests based on Google Test
    framework (gTest/gMock) to ensure code stability.
    Unit tests can be started with command-line option
    "-tests" in the debug builds. Some unit tests are
    ported from DOSBox Staging. (Wengier)
  • Added SERIAL and PARALLEL commands to view/change
    the current configuration of serial/parallel ports.
    Type "SERIAL /?" and "PARALLEL /?" for further info
    about the two commands. Commands like "config -set
    serial?=..." and "config -set parallel?=..." will
    also auto-call these commands. (sduensin & Wengier)
  • Added IMGSWAP command to swap disks for drives.
    e.g. "IMGSWAP D" to swap D: drive to the next swap
    position, and "IMGSWAP A 3" to swap A: drive to
    the 3nd swap position. (Wengier)
  • Added DOS commands including COMP, DISKCOPY, EDLIN,
    FC, FILES, PRINT, and SHUTDOWN (most from FreeDOS)
    to the built-in Z: drive. Updated or recompiled
    EDIT and EDLIN commands to support LFNs. (Wengier)
  • The CAPMOUSE command without a parameter now shows
    whether the mouse is captured/released. (Wengier)
  • The command "config -set" is now case-insensitive
    for property names. Also, if an option cannot be
    changed at run-time, DOSBox-X will ask whether to
    restart itself to apply the new setting. (Wengier)
  • Do not read real-mode data areas from mouse event
    handling if running a protected mode guest OS like
    Windows NT, and disable INT 33h functions when DOS
    kernel is shut down to boot into a guest OS. Moving
    mouse while Windows NT is running should no longer
    cause page faults and crashes. (joncampbell123)
  • The setting "mountwarning = false" will now silence
    more warning messages during mounting. (Wengier)
  • The code page setting of "country" option will now
    be ignored for PC-98, JEGA and DOS/V modes. These
    modes will enforce the desired code page. (Wengier)
  • Added support for loading the ASC16/ASCFONT.15/
    ASC24/ASCFONT.24? font files from the UCDOS/ETen
    Chinese DOS systems for the options "fontxsbcs",
    "fontxsbcs16" and "fontxdbcs24" in [dosv] section
    of the config file for DOS/V systems. (Wengier)
  • Improved auto-detection of box-drawing characters
    when using DBCS code pages. (Wengier)
  • Applied UTF-8 conversions to file browse dialog
    boxes for selecting files containing Unicode
    characters (e.g. CJK characters). (Wengier)
  • For screenshot and MIDI/OPL recording, DOSBox-X
    will now display a message box showing the saved
    file name when the recording has been completed.
    The full paths will also be logged. (Wengier)
  • Added confirmation message while trying to load a
    Direct3D pixel shader which may not be needed or
    may have undesired effect. (Wengier)
  • Added warning message if DOS/V or Japanese PC-98/AX
    machine type is selected and a language file with
    an incompatible code page is specified. (Wengier)
  • Added "AMD K6 166 MHz", "AMD K6 200 MHz" and "AMD
    K6-2 300 MHz" menu options within the menu group
    "Emulate CPU speed" (under "CPU"). (Wengier)
  • Added a TrueType font selection page into Windows
    installer, which will show when TrueType font (TTF)
    output is selected for new installations. (Wengier)
  • Added MMX instruction PSHUFW and added typecasts
    to some MMX instructions in case compilers cannot
    properly shift uint64_t by uint8_t otherwise. Most
    Pentium-level MMX instructions (such as MOVD, MOVQ,
    and EMMS) are added to the debugger disassembler
    and support for the disassembler to represent MMX
    registers. (joncampbell123)
  • Added code to normal core to flush paging TLB
    whenever handing a non-recursive guest page fault.
    The guest OS will likely update the page tables
    to resolve the fault. The Linux kernel will
    constantly get "stuck" whenever you run a command
    without this change. (joncampbell123)
  • Added code to make sure DOS kernel drives and drive
    letters have been unmounted and deallocated before
    booting a guest OS or shutting down DOSBox-X
    (joncampbell123).
  • Added ability to change floppy images with drive
    number (0 or 1) only. (Wengier)
  • Added INT 13h AH=16h, detect disk change. This can
    be controlled by config option "int 13 disk change
    detect" (in [dos] section) in case any older OS can
    not handle it. INT 13h AH=15h will report a floppy
    drive with change line support if enabled. MS-DOS
    seems to work just fine with it. (joncampbell123)
  • Added menu item "Enable extended Chinese character
    set" in "Video" => "TTF options" to toggle setting
    for the Simplified Chinese (GBK extension) and
    Traditional Chinese (ChinaSea extension). (Wengier)
  • Added config option "chinasea" (in [ttf] section)
    which when set to "true" allows ChinaSea (δΈ­εœ‹ζ΅·ε­—ι›†)
    and Big5-2003 extension of the original Big5-1984
    charset for Traditional Chinese TTF output. This
    requires the use of a TTF/OTF font containing such
    extended characters to correctly render them; the
    included SarasaGothicFixed TTF font is updated to
    support such characters.Certain Traditional Chinese
    DOS software like the Hyper Editor 5.03 (ζΌ’ζ›Έ5) makes
    use of ChinaSea characters. Also moved "gbk" config
    option from [dosv] to [ttf] section. (Wengier)
  • Added config option "forcesquarecorner" (in [sdl]
    section) which when set to "true" will force to
    disable rounded corners on Windows 11. (Wengier)
  • Added code to INT 18h emulation (IBM PC mode) to
    jump to ROM BASIC if the user provided an IBM
    ROM BASIC image to load. (joncampbell123)
  • Added config option "ibm rom basic" in [dosbox]
    section which allows users to load a ROM image
    containing IBM PC ROM BASIC, for disk images
    and MS-DOS setups that need it. (joncampbell123)
  • Added stub IBM ROM BASIC points in the BIOS area
    so that when BASIC(A).COM from MS-DOS 1.x and 2.x
    are run, a polite message is displayed instead of
    invalid code and crashes. (joncampbell123)
  • 8086 and 80186 CPU types no longer check segment
    limits. (joncampbell123 & Allofich)
  • Put in undocumented behavior in opcode 0x8e for
    8086 and 80186. (Allofich)
  • Made 8086 treat opcodes C0,C1,C8,C9,F1 as aliases
    of C2,C3,CA,CB,F0, and opcodes 0x60-0x6F as aliases
    of opcodes 0x70-0x7F. (Allofich)
  • Adjusted multiple-prefix bug for 8086/286 to only
    apply when REP or REPZ is used. (Allofich)
  • Fixed 0x0F opcode being valid on 80186 core when
    it should be invalid. (Allofich)
  • Fixed CGA modes to always use a character height
    of 8, rather than reading it from address 485h.
    Fixes corrupt graphics in the PC Booter version
    of Apple Panic. (Allofich)
  • Fixed underflow when INT 13 AH=2 called for
    sector 0. (Allofich)
  • Fixed infinite loop when trying to run a 32-bit
    program with the 8086 CPU type. (Allofich)
  • Fixed INT 13h emulation to no longer call the DOS
    kernel "DriveManager" if the DOS kernel has been
    shutdown. This fixes memory corruption issues in
    the guest OS system run by the BOOT command that
    can occur when the "swap disks" command is used in
    the emulator. (joncampbell123)
  • Fixed DTA memory leak from FAT driver if FAT drive
    was mounted when booting into a guest OS. (joncampbell123)
  • Fixed a crash on unmount that occurs if IMGMOUNT
    is used to mount multiple floppy disk images to
    a drive letter. (joncampbell123)
  • Fixed possible crash with printing. (jamesbond3142)
  • Fi...
Read more

DOSBox-X 0.83.19 2021-11-01 10:33

01 Nov 17:38
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Note: Installation instructions are available from the INSTALL page. Also, always check out the DOSBox-X homepage for latest updates.

You can also see the release notes here: DOSBox-X 0.83.19 Release Notes and the user guide here: DOSBox-X Wiki

For this version, 32/64-bit MinGW builds are included in the Windows installers and not separately available.

0.83.19

  • Reorganized the "List network interfaces" and "List
    printer devices" dialogs (under the "Help" menu) to
    allow the use of scroll bars. (Wengier)
  • Added menu option "Reset TTF color scheme" to reset
    the current color scheme for TTF output. (Wengier)
  • Added config option "righttoleft" in [TTF] section
    which when set to "true" will cause DOSBox-X to
    display text from right to left (instead of left to
    right) for the TTF output. It can also be toggled
    from the menu ("Video" => "TTF options" => "Display
    text from right to left"). (Wengier)
  • Added config option "vga fill active memory" which
    when set to "true" will fill inactive video memory
    regions with RAM rather than mapping them as empty.
    This allows the ETen Chinese DOS system (ε€šε€©δΈ­ζ–‡η³»η΅±)
    3.5/2000 (e.g. ET16V and ET24VA) to run. (Wengier)
  • Added config option "middle_unlock" ([sdl] section)
    to control whether to unlock the mouse with middle
    mouse button click. (Wengier)
  • Added config option "dosvfunc" in [ttf] section to
    support DOS/V applications when country information
    is set to Japan in TTF output. (nanshiki)
  • Added "VTEXT" command to view or change the current
    V-text mode for the DOS/V emulation. Also improved
    the font support for 24-pixel font DOS/V mode, such
    as supporting HZK24? fonts for Simplified Chinese
    DOS/V mode and STDFONT.24 from ETen Chinese system
    for Traditional Chinese DOS/V mode. If a Chinese
    font is specified via "fontxdbcs", "fontxdbcs14" or
    "fontxdbcs24" options, it will be loaded before
    system font even with "getsysfont=true". (Wengier)
  • Commands like 80x25, 80x43, ... now use internal
    function for better compatibility with the TrueType
    font (TTF) output. (Wengier)
  • MODE command without a parameter will now print the
    current lines/columns instead of usage. (Wengier)
  • INTVEC debugger command now correctly outputs
    addresses when in protected mode. (Allofich)
  • Fix horizontal lines in the debugger window being
    rendered as unrelated characters in some code
    pages. (Allofich)
  • INT 21 AX=4B03 now sets AX to 0000 like MS-DOS
    does. Fixes missing music in "θŠι½‹θͺŒη•°δΉ‹εΉ½θ°·ε‚³ε₯‡"
    (LiΓ‘ozhāi zhΓ¬ yΓ¬ zhΔ« yōugΗ” chuΓ‘nqΓ­) (Allofich)
  • Use 0x1E to 0x3E for the keyboard buffer of the CGA
    machine, which fixes the controls locking up in the
    PC booter version of Apple Panic. (Allofich)
  • Allowed machine types "pcjr_composite" and
    "pcjr_composite2", similar to "cga_composite" and
    "cga_composite2", instead of having to switch the
    composite type manually. (Wengier)
  • If machine is PCjr, place PC BIOS reset code at
    F000:0043 to match that of the real BIOS.
  • Fix PCjr NMI handler to load DS with segment 0x0040.
    Fixes crashes in SHAMUS. (Allofich)
  • Fix PCjr NMI handler to use 8086-level instructions
    when loading DS with segment 0x0040 so that it
    works properly with cputype=8086.
  • Remove useless check for signed divide quotient
    of 0x80/0x8000/etc. (the result was -0x80/0x8000/etc
    anyway. Add code to check specifically for these
    values after signed divide if cputype=8086 and
    trigger divide overflow exception, to match behavior
    described for the 8086 processor.
  • Modify exception handling so that for cputype=8086
    the return address for an exception handler points
    at instruction after fault location.
  • Fix IDIV instruction incorrectly raising a divide
    error exception for some borderline values. Fixes
    Microsoft Flight Simulator. (Allofich)
  • IBM PC BIOS emulation fixed to place key pieces of
    code and entry points at fixed legacy locations
    required by some older DOS games, instead of
    by dynamic allocation. Added code to BIOS allocation
    to reserve F000:E000 or higher for fixed allocation
    and force dynamic allocation below that address to
    prevent further conflicts should others submit
    pull requests for additional fixed locations. This
    fixes some games like "θŠι½‹θͺŒη•°δΉ‹εΉ½θ°·ε‚³ε₯‡" (LiΓ‘ozhāi
    zhΓ¬ yΓ¬ zhΔ« yōugΗ” chuΓ‘nqΓ­) which appear to assume
    some of these fixed BIOS addresses and will
    crash if they are wrong.
  • Added tool EMSMAGIC.COM as alternative EMS manager,
    which can be dynamically installed or uninstalled
    with the setting ems=false. (Wengier)
  • If a program is provided in the command-line when
    launching DOSBox-X, it will now be executed after
    any commands in the [autoexec] section by default.
    A command-line option "-prerun" is added to force
    the program run before any commands in [autoexec]
    section like before. (Wengier)
  • Added auto-detection for single-wide DBCS-encoded
    characters for the TTF output (non-PC98). (Wengier)
  • Improved the menu option "Restart DOSBox-X with
    language file..." (under "Main") for switching
    between DBCS languages. (Wengier)
  • Disabled the Alt+F4 key for closing the DOSBox-X
    window in MinGW SDL2 builds. (Wengier)
  • Fixed program or config file containing Unicode
    characters passed from command-line when launching
    DOSBox-X in Windows SDL2 builds. (Wengier)
  • Fixed issue with DELETE key in PC-98 mode. (Wengier)
  • Fixed COLORS config option (in [ttf] section) not
    working in the previous version. (Wengier)
  • Fixed issues after resetting the virtual machine
    when using DBCS language files. (Wengier)
  • Fixed some issues related to system IME support for
    CJK (Chinese/Japanese/Korean) languages, for both
    Windows SDL1 and SDL2 builds. (nanshiki & Wengier)
  • Fixed bugs in the region memory allocator C++ class
    that claimed the entire free block even if the
    size wanted was smaller. Added field to remember if
    the allocated block was allocated for fixed or
    dynamically allocated memory. Cleaned up allocator
    code and removed redundancy.
  • Fix SELINFO command not showing output correctly
    in the debugger window. (Allofich)
  • Better CMOS register B and C emulation. (Allofich)
  • Integrated commits from mainline (Allofich)
    • Support for DMF floppy disk images.
    • Zero-out DX in EXEC overlay command.
    • Improve stack check for wrap-around cases.
    • Change to misc_output for SVGA_S3Trio.

DOSBox-X 0.83.18 2021-10-01 13:58

01 Oct 21:03
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Note: Installation instructions are available from the INSTALL page. Also, always check out the DOSBox-X homepage for latest updates.

You can also see the release notes here: DOSBox-X 0.83.18 Release Notes and the user guide here: DOSBox-X Wiki

0.83.18

  • Cleaned up and more accurately worded CMOS-related
    log messages. (Allofich)
  • Fixed the names of virtual files and files on mounted
    FAT drive images being logged as "(null)". (Allofich)
  • Fixed packed structure alignment problem with MSVC
    (Microsoft C++) builds regarding some disk image
    formats. These problems prevented VS2019 builds from
    mounting hard disk images. (Allofich)
  • REP STOSB will correctly move one byte if one byte
    remains to be processed aka CX == 1, this is needed
    for FD98.COM self clearing code to work properly. (nanshiki)
  • Fixed IOCTL support for character device drivers. (nanshiki)
  • Fixed ANSI ESC [6n escape handling to correctly
    report cursor position as 1-based count, not 0-based
    count. (nanshiki)
  • PC-98 INT DCh emulation fixed to better represent the
    function key shortcuts as real DOS does. (nanshiki)
  • Emulator fix for HX-DOS builds. (Wengier)
  • Integrated commits from mainline (Allofich)
    • Fix the return value of register al from INT10 ah=0x0F
      for non EGA/VGA machines.

DOSBox-X 0.83.17 2021-09-01 07:06

01 Sep 14:50
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Note: Installation instructions are available from the INSTALL page. Also, always check out the DOSBox-X homepage for latest updates.

You can also see the release notes here: DOSBox-X 0.83.17 Release Notes and the user guide here: DOSBox-X Wiki

0.83.17

  • Added FISTTP instruction to experimental cputype (LBi)
  • Updated debugger to support and decode fisttp, fcomi,
    fcomip, fucomi, fucomip (LBi)
  • Added support for Chinese/Japanese/Korean IMEs on
    Windows/Linux SDL2 builds. (nanshiki)
  • Added cputype=experimental, which is the same as the
    highest CPU emulation level but with additional
    instructions from newer processors that do not exist
    in the era emulated by DOSBox-X i.e. FISTTP which is
    an SSE3 Pentium 4 instruction. (joncampbell123)
  • Added support for 286/386 call gates to JMP
    instruction (joncampbell123)
  • Added -bd option to IMGMOUNT to allow mounting
    partitions from a hard disk image mounted as an
    INT 13h hard disk. is the numeric value the
    hard disk image was mounted to. In this way, it
    becomes possible to mount any or all partitions
    in a hard disk image. WARNING: To safely mount
    multiple partitions, use -o partidx= to specify
    each partition you mount by index. (joncampbell123)
  • If a drive has no volume label, and user runs
    LABEL without specifying one, do not ask whether
    or not to delete the volume label because there
    is in fact no volume label to delete. (joncampbell123)
  • Added FreeDOS utilities DEFRAG, FORMAT, FDISK,
    CHKDSK, and SYS to the built-in Z drive. KERNEL.SYS
    is not provided so that the user can provide what
    they consider the best version of the FreeDOS kernel
    to format with if they use FORMAT /S (joncampbell123)
  • INT 29h routes output through ANSI.SYS driver in
    both IBM PC and PC-98 mode, unless ansi.sys=false
    is set in the config setting. (joncampbell123)
  • Integrated commits from mainline (Allofich)
    • Fix regression in r4444: Hercules machine type
      cursor translation.
    • Remove redundant signature for ET4K that is now
      done in video BIOS.
    • Implement mouse driver function 0x27, fixes
      Alive - Behind the Moon.
    • Add log message for unusual cases where an
      executable unsafely places its initial stack outside
      the memory block.

DOSBox-X 0.83.16 2021-08-01 15:23

01 Aug 22:29
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Note: Installation instructions are available from the INSTALL page. Also, always check out the DOSBox-X homepage for latest updates.

For usage information please look at the DOSBox-X user guide, which is available from the DOSBox-X Wiki.

Note: For this version please use the 32-bit Visual Studio builds for running under Windows XP.

0.83.16

  • Release notes for this version:
    https://dosbox-x.com/release-0.83.16.html
  • Added support for extended MS-DOS partitions that
    reside in extended partitions. These partitions
    can be manually mounted using -o partidx=n where
    n is 4 or larger. To assist in partition indexes,
    the FAT driver will also print the partition
    table to your log file and console when asked to
    print debug information. (joncampbell123)
  • Added dosbox-x.conf options to control VESA BIOS
    window size and window granularity. This allows
    DOS development to test VESA BIOS support against
    SVGA cards that use window sizes and/or window
    granularity other than 64KB including older SVGA
    hardware by Paradise and Cirrus. Note that use
    of these options is intended solely for DOS
    development and will break S3 drivers that do not
    use the VESA BIOS extensions. (joncampbell123)
  • Fixed VESA BIOS S3 modelist to match the VBE 1.2
    standard modelist properly, including the addition
    of modes 0x119-0x11B. (joncampbell123)
  • Added machine=vesa_oldvbe10 to emulate a VESA
    BIOS that follows version 1.0 of the standard.
    Specifically, in version 1.0, mode information
    like XResolution was OPTIONAL and the VESA BIOS
    was allowed not to fill it in since you could
    assume the information from the standard video
    mode number you applied. This setting emulates
    a VESA BIOS that does NOT provide this information,
    for testing purposes. Also, machine=vesa_oldvbe is
    fixed to never report a LFB, since that was not yet
    defined for VBE 1.2. (joncampbell123)
  • Reorganized Windows installation to 2 installers
    installing 32-bit and 64-bit DOSBox-X binaries,
    for WinXP+ (all) and Vista+ 64-bit respectively,
    reducing the sizes of installers significantly
    while adding the SarasaGothicFixed TTF font and
    a language selection page for choosing existing
    language translations (with new language files
    for French and Traditional Chinese). (Wengier)
  • DOSBox-X will now search for more paths (such as
    user config directory and "languages" subfolder)
    for loading language files before failing, and
    on Linux and macOS platforms will also search for
    additional directories such as /Library/Fonts/
    (Linux) or /Library/Fonts/ (macOS) for TrueType
    fonts when using the TTF output. (Wengier)
  • DOSBox-X will try to load the SarasaGothicFixed
    TTF font when no external TTF font is specified
    and a CJK code page detected at start. (Wengier)
  • Added Shift+Tab shortcut in Debugger to switch to
    previous window complimenting existing function of
    Tab switching to the next window. (cimarronm)
  • LH/LOADHIGH command can now load programs into UMB
    memory if it is available. Also added "shellhigh"
    config option to decide whether to load builtin
    command shell to UMB memory (with default setting
    of "auto", it is enabled if reported DOS version
    is at least 7, similar to MS-DOS 7+). (cimarronm)
  • HELP command is now an external command appearing
    on Z drive rather than an internal shell command
    (it is never a DOS internal command). (Wengier)
  • Command-line options -eraseconf and -erasemapper
    will now erase loaded config file and mapper file
    respectively and continue, whereas -resetconf and
    -resetmapper will erase user config file or user
    mapper file and exit as before. (Wengier)
  • Added menu group "3dfx" in "Video" menu to toggle
    the low-level Voodoo card emulation and high-level
    Glide emulation at run-time. (Wengier)
  • Added menu options "Restart DOSBox-X instance" and
    "Restart DOSBox-X with language file" in "Main"
    menu to reboot the current DOSBox-X instance or
    reboot the DOSBox-X instance with the specified
    language file automatically. (Wengier)
  • Added menu options "Show code overview" and "Show
    logging text" in "Debug" menu to show the overview
    of the current code and the output of DOSBox-X's
    current logging text in debug builds. (Wengier)
  • Added config option "customcodepage" in the [dos]
    section to allow a custom code page, in the format
    "customcodepage=nnn,codepagefile" in TrueType font
    (TTF) output. CHCP command also supports additional
    parameter to specify a code page file. Also added
    builtin support for code pages 1250-1258. (Wengier)
  • Added config option "transparency" in [sdl] section
    to change the DOSBox-X window transparency (from 0
    to 90, low to high transparency) on the Linux/macOS
    SDL2 and Windows platforms. (Wengier)
  • Added config option "hidenonpresentable" in [dos]
    section to toggle whether to filter out file names
    on local drives that are non-representative in
    current code page. (Wengier)
  • Added config options "pc-98 try font rom" and
    "pc-98 anex86 font" for the PC-98 emulation to
    customize the font file to load. If former option
    is set to "false", then DOSbox-X will not try to
    load FONT.ROM first for PC-98, and latter option
    specifies an Anex86-compatible font to load for
    PC-98 (before trying FREECG98.BMP). (Wengier)
  • Added support for composite support for PCjr mode
    by porting patch from NewRisingSun. (Wengier)
  • Non-Japanese DOS/V systems will now use 19-pixel
    VGA fonts rather than 16-pixel VGA fonts for SBCS
    characters to look better. (Wengier)
  • You can now also load HZK14/HZK16 font files (for
    14- and 16-pixel height) and STDFONT.15 font file
    via the "fontxdbcs" and "fontxdbcs14" options for
    Simplified Chinese DOS/V (dosv=cn) and Traditional
    Chinese DOS/V (dosv=tw) emulations. (Wengier)
  • Improved the DOS/V font acquisition function on
    the Linux platform (both SDL1 & SDL2), such as
    adding support for 14-pixel height fonts (used by
    Configuration Tool & Mapper Editor), and enhancing
    support for Chinese characters acquisition (e.g.
    WenQuanYi support for the Traditional Chinese). A
    config option "getsysfont" is added which when set
    to "false" will disable the font acquisition on
    Windows and Linux platforms. (Wengier & nanshiki)
  • Implemented support for inputing CJK characters
    on Linux SDL1 builds using Linux system IMEs. Code
    imported from SDL-IM-plus by nanshiki and confirmed
    to work on Linux/X11 platform by him.
  • Added support for inputing Japanese and Korean
    characters using system input method (IME) using
    the default "windib" video driver in Windows SDL1
    build (in addition to "directx" driver). (nanshiki)
  • Fixed CJK characters not showing correctly for the
    SDL-drawn menu with OpenGL outputs if "language"
    config option is used instead of -lang command-line
    option. Thank nanshiki for catching this. (Wengier)
  • Fixed setting "machine=amstrad" cause DOSBox-X to
    crash on non-Windows platforms. (cimarronm)
  • Fixed bug related to DBCS vector table. (nanshiki)
  • Fixed running e.g. built-in DEBUG command from a
    drive other than Z may not work. (cimarronm)
  • Fixed the command "FOR %I ..." not working when
    executed from the command line. (Wengier)
  • For audio/video recording, DOSBox-X will display
    a message box showing the saved file name when the
    recording has been completed. (Wengier)
  • Mapper Editor will try to show the actual mod keys
    for mod1/mod2/mod3 when clicked. (Wengier)
  • Removed the special DOS function at Int21h/AH=2B/
    CX=0x4442h/DX=0x2D58h in favor of the DOSBox-X
    Integration Device at I/O ports 28h-2Bh which works
    for both integrated DOS and guest OS environments.
  • Enabled MT-32 emulation on ARM-based Mac OS X
    builds (joncampbell123)
  • For Configuration Tool, ensure mouse coordinates
    are adjusted accordingly with forced scaler. (aybe)
  • Fixed a bug in the Int21/AH=36h (get disk space)
    function for returning very large CX values, and
    that non-zero values are returned when the free
    space is 0 on mounted local drives. (Wengier)
  • Fixed "FILES" always fixed to 200 as reported by
    the "DOSINFO" tool, in spite of "files" setting in
    [config] section of the config file. (Wengier)
  • Refined the handling of international keyboards and
    fixed some issues in version 0.83.15. (maron2000)
  • Fixed initialization order that prevented Bochs
    port E9h emulation from working. (joncampbell123)
  • Fixed menu options in system menu not working in
    Windows SDL1 builds with "windib" driver. (Wengier)
  • Fixed issue that the mouse cursor not showing in
    the game "Power Dolls". (Wengier)
  • Fixed non-English accents may not show correctly
    with a SBCS code page in TrueType Font (TTF) output
    (introduced in version 0.83.15). (Wengier)
  • Fixed line endings for SBCS language files such as
    English and Spanish translations. (Wengier)
  • Fixed resetting the TTF screen when exiting from
    Configuration Tool or Mapper Editor when TrueType
    font (TTF) output is active. (Wengier)
  • Fixed the option "drive z expand path" not working
    if Virtual Drive Z: has been moved to a different
    drive letter (e.g. Drive Y:). (Wengier)