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DeSmuME Platform Specific Manuals

DeSmuME places responsibility on the developers of each port to expose emulation features in a way that is tuned to the needs of that platform. As a consequence, some ports are able to move well ahead of the others. Conversely, some ports are far behind some others. As a consequence, some behaviours and menu structures are different in each port. Therefore, the decision was made to create separate manuals for each port as well: when a specific port is changed, only the manual for that specific port needs to be altered.


DeSmuME Manual for the Windows port

DeSmuME Manual for the Linux GTK+ port

DeSmuME Manual for the Linux Glade port

DeSmuME Manual for the Linux command line port

DeSmuME Manual for the Macintosh port

DeSmuME Common command line arguments

The GTK+ and windows ports share common command line arguments. We are trying slowly to move over to a common command line handling engine. The commandline arguments for these platforms are described here:

--load-slot=NUM [gtk,win]

Loads savegame from slot NUM

--play-movie=PATH_TO_PLAY_MOVIE [gtk,win]

Specifies a dsm format movie to play

--record-movie=PATH_TO_RECORD_MOVIE [gtk,win]

Specifies a path to a new dsm format movie

--start-paused=START_PAUSED [gtk,win]

Indicates that emulation should start paused

--cflash-image=PATH_TO_DISK_IMAGE [gtk,win]

Requests cflash in gbaslot with fat image at this path

--cflash-path=PATH_TO_DISK_DIRECTORY [gtk,win]

Requests cflash in gbaslot with filesystem rooted at this path

--num-cores=NUM [win]

Overrides the emulator's autodetection for number of processors. Presently, any system with more than one core (this may inadvertantly include singlecore systems with hyperthreading, but I can't test it) will operate with somewhat reduced OSD functionality, with lower quality and no asynchronous composition. In the future, other optimizations will require higher numbers of cores (optimizations for quad-core are planned, but it won't be too impressive)

--scanline-filter-a=NUM [win]

Intensity of fadeout for scanlines filter (edge) (default 2)

--scanline-filter-b=NUM [win]

Intensity of fadeout for scanlines filter (corner) (default 4)

--arm9gdb=PORT_NUM [gtk,win]

Enable the ARM9 GDB stub on the given port

--arm7gdb=PORT_NUM [gtk,win]

Enable the ARM7 GDB stub on the given port

-h, --help [gtk,win]

Show summary of options.

--opengl-2d [gtk]

Enables using OpenGL for screen rendering

--soft-convert [gtk]

Use software colour conversion during OpenGL screen rendering. May produce better or worse frame rates depending on hardware.

--3d-engine=ENGINE [gtk]

Select available 3d emulation:

0 = 3d disabled
1 = internal desmume software rasterizer (default)
2 = osmesa or gtkglext opengl (if available, depending on compilation options, see desmume --help)

--disable-sound [gtk]

Disables the sound emulation

--disable-limiter [gtk]

Disables the 60 fps limiter

--save-type=TYPE [gtk]

Select savetype from the following:

0 = Autodetect
1 = EEPROM 4kbit
2 = EEPROM 64kbit
3 = EEPROM 512kbit
4 = FRAM 256kbit
5 = FLASH 2mbit
6 = FLASH 4mbit

--fwlang=LANG [gtk]

Set the language in the firmware, LANG as follows:

0 = Japanese
1 = English
2 = French
3 = German
4 = Italian
5 = Spanish

--timeout=SECONDS [gtk]

Quit desmume after the specified seconds for testing purpose.

--display=DISPLAY [gtk]

X display to use.

-v, --version [gtk]

Show version of program.

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