|Jnes User Manual|
Jnes.exe ?-switches? "image"
It is recommended to put quotes around the path since it may contain spaces.
-relaunchmce : when Jnes exits it will bring Windows Media Center (ehome.exe) back to the foreground, this option is intended to help integrate better with Media Center.
-exitonclose : when the emulation ends the emulator closes instead of bringing you back to a rom browser, this is useful again for home theatre integrations.
-disablestatekeys : disables the save state shortcut keys, again useful for integrations with frontends