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QMC2-MAIN-GUI(6)		QMC2 User's Guide		QMC2-MAIN-GUI(6)

NAME
     qmc2-sdlmame - QMC2 - M.A.M.E. Catalog/Launcher II

SYNOPSIS
     qmc2-sdlmame [-config_path path] [-cc] [-tc] [-r] [-h|-?|-help] [qt_arguments]

DESCRIPTION
     QMC2  is a graphical front-end based on Qt which drives the great MAME emu-
     lator. Besides being a powerful catalog and launcher for  systems	emulated
     by  MAME it also contains sophisticated ROM management features through its
     built-in ROMAlyzer.

OPTIONS
     -config_path path
	    Specify this argument to use the directory path instead of	the  de-
	    fault  folder  (~/.qmc2)  to  store  QMC2's  configuration, logs and
	    cache-files / cache-folders.

     -cc    This command line option will instruct QMC2 to  clear  all	emulator
	    related  caches  while  starting up in order to forcibly reload this
	    data from the emulator.

     -tc    Specifying this option on the command line will perform  a	template
	    check  against  the  current default emulator (if set), printing its
	    output to stdout and exiting before actual start-up occurs.

     -r     The reconfigure option will relaunch the setup wizard / welcome dia-
	    log before starting. This allows you to update or correct  the  most
	    important emulator settings in an easy way.

     -h|-?|-help
	    Shows a brief command line usage help.

     qt_arguments
	    See  https://doc.qt.io/qt-5/qapplication.html#QApplication	for more
	    information. However, note that QMC2  will	overwrite  most  of  the
	    available Qt arguments with its saved settings in ~/.qmc2/qmc2.ini.

FILES
     /usr/local/etc/qmc2/qmc2/qmc2.ini
	    System-wide default configuration (optional)

     ~/.qmc2/qmc2.ini
	    Individual user's configuration (system-wide settings will be copied
	    initially, if any)

     ~/.qmc2/qmc2-sdlmame.log
	    Front-end log from the last run of QMC2

     ~/.qmc2/mame.log
	    Emulator-log  containing the output from emulator instances launched
	    by QMC2 (cleared whenever the 'first' emulator instance is launched)

     ~/.qmc2/mame.rsc
	    ROM state cache

     ~/.qmc2/mame.mlc
	    Machine list cache

     ~/.qmc2/mame.mlc.filtered
	    Filtered version of the machine list cache	used  by  qmc2-arcade(6)
	    (optional)

     ~/.qmc2/mame-xml-cache.db
	    XML cache database (SQLite 3)

     ~/.qmc2/mame-user-data.db
	    User  data	database (SQLite 3) containing rank information and per-
	    sonal comments per machine as well as paths to system- and software-
	    manuals per machine/software

     ~/.qmc2/mame-machine-list.db
	    SQLite3 database version of the machine list cache (used  by  custom
	    views)

     ~/.qmc2/mame-swl-cache.db
	    Software-list XML cache database (SQLite 3)

     ~/.qmc2/mame-icon-cache.db
	    Icon cache database (SQLite 3)

     ~/.qmc2/mame-dat-info.db
	    DAT-info  database	(SQLite  3),  a combined data store for all sup-
	    ported DAT-info sources (emu-info, machine-info and software-info)

     ~/.qmc2/mame.fav
	    List of favorite machines

     ~/.qmc2/mame.hst
	    List of machines last played (play history)

     ~/.qmc2/mame.sic
	    Slot-info cache

     ~/.qmc2/sw-state-cache/*.ssc
	    Software-state cache

     ~/.qmc2/youtube/qmc2-sdlmame.yti, ~/.qmc2/youtube/*.png
	    YouTube video info/image cache

     ~/.qmc2/LocalStorage/*.localstorage
	    Folder used by the built-in web-browser  to  create  small	database
	    files for 'HTML5 localStorage' support

     ~/.qmc2/qmc2-sdlmame-cookies.db
	    Permanent web-page cookie database (SQLite 3)

     ~/.qmc2/qmc2-sdlmame-checksum.db
	    ROMAlyzer's  system-mode  check-sum  database for storing/retrieving
	    paths to dumps available in your file-system by SHA-1 and/or  CRC-32
	    (SQLite 3)

     ~/.qmc2/qmc2-sdlmame-software-checksum.db
	    ROMAlyzer's  software-mode check-sum database for storing/retrieving
	    paths to dumps available in your file-system by SHA-1 and/or  CRC-32
	    (SQLite 3)

     ~/.qmc2/WebpageIcons.db
	    Web-page icon database (SQLite 3)

SEE ALSO
     qmc2-arcade(6), qchdman(6)

BUGS
     See the TODO file in the included QMC2 documentation for known bugs and re-
     strictions.

     New     bugs     can     be    reported	here:	 https://tracker.batcom-
     it.net/view_all_bug_page.php?project_id=1

AUTHOR
     The QMC2 development-team (https://qmc2.batcom-it.net/)

0.244				 August 06, 2026		QMC2-MAIN-GUI(6)

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