> You need to pay attention to the "presets" folder inside of the "ini" folder. The > presets overwrite the settings of a mame.ini. > If you want to change your defocus value, do it in the appropriate preset ini > (raster, vector, lcd etc.). > > from the docs (hlsl.txt): > Presets > ------- > ../ini/presets/raster.ini for raster screens > ../ini/presets/vector.ini for color vector screens > ../ini/presets/vector-mono.ini for monochrome vector screens (rename to vector.ini or > .ini) > ../ini/presets/lcd.ini for screens with TFT color LCD > ../ini/presets/lcd-matrix.ini for screens with STN LCD matrix (rename to lcd.ini or > .ini) > ../ini/presets/gameboy.ini for Game Boy screen (same as lcd-matrix.ini with greenish > color transformation) > ../ini/presets/gba.ini for Game Boy Advance screen (same as lcd.ini) > > from the docs (config.txt): > > Enables or disables the reading of the config files. When enabled > (which is the default), MAME reads the following config files in order: > > - mame.ini > - .ini (i.e. if MAME was renamed mame060.exe, MAME > parses mame060.ini here) > - debug.ini (if the debugger is enabled) > - .ini (based on the source filename of the driver) > - vertical.ini (for games with vertical monitor orientation) > - horizont.ini (for games with horizontal monitor orientation) > - arcade.ini (for games in source added with GAME() macro) > - console.ini (for games in source added with CONS() macro) > - computer.ini (for games in source added with COMP() macro) > - othersys.ini (for games in source added with SYST() macro) > - vector.ini (for vector games only) > - .ini (for clones only, may be called recursively) > - .ini > > > The settings in the later ini's override those in the earlier ini's. > So, for example, if you wanted to disable overlay effects in the > vector games, you can create a vector.ini with the "effect none" line > in it, and it will override whatever effect value you have in your > mame.ini. The default is ON (-readconfig). > > As you can read, the mame.ini is the first file in a order of ini files. Hope it > helps.
I wouldn't mess with the presets at all. You can put copies of the presets in ini (not ini/presets) and change the settings there. Then you can safely replace the original presets on updates.
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