Use this display library line to read/write ini from BXSHARE path:
display_library: x, options="gui_debug:globalini"
NOTE: Using $BXSHARE at this point doesn't work yet since the common parser code
expands the variable and Bochs finally exits with a panic (needs to be reviewed).
TODO: Add shared parser code for all guis and add this feature for SDL, SDL2 and
wxWidgets guis.
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