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Diffstat (limited to 'trunk/src/emu/emuopts.c')
-rw-r--r-- | trunk/src/emu/emuopts.c | 514 |
1 files changed, 514 insertions, 0 deletions
diff --git a/trunk/src/emu/emuopts.c b/trunk/src/emu/emuopts.c new file mode 100644 index 00000000000..6dbe7545797 --- /dev/null +++ b/trunk/src/emu/emuopts.c @@ -0,0 +1,514 @@ +/*************************************************************************** + + emuopts.c + + Options file and command line management. + +**************************************************************************** + + Copyright Aaron Giles + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name 'MAME' nor the names of its contributors may be + used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR + IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT, + INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + +***************************************************************************/ + +#include "emu.h" +#include "emuopts.h" + +#include <ctype.h> + + + +//************************************************************************** +// CORE EMULATOR OPTIONS +//************************************************************************** + +const options_entry emu_options::s_option_entries[] = +{ + // unadorned options - only a single one supported at the moment + { OPTION_SYSTEMNAME, NULL, OPTION_STRING, NULL }, + { OPTION_SOFTWARENAME, NULL, OPTION_STRING, NULL }, + + // config options + { NULL, NULL, OPTION_HEADER, "CORE CONFIGURATION OPTIONS" }, + { OPTION_READCONFIG ";rc", "1", OPTION_BOOLEAN, "enable loading of configuration files" }, + { OPTION_WRITECONFIG ";wc", "0", OPTION_BOOLEAN, "writes configuration to (driver).ini on exit" }, + + // seach path options + { NULL, NULL, OPTION_HEADER, "CORE SEARCH PATH OPTIONS" }, + { OPTION_MEDIAPATH ";rp;biospath;bp", "roms", OPTION_STRING, "path to ROMsets and hard disk images" }, + { OPTION_HASHPATH ";hash_directory;hash", "hash", OPTION_STRING, "path to hash files" }, + { OPTION_SAMPLEPATH ";sp", "samples", OPTION_STRING, "path to samplesets" }, + { OPTION_ARTPATH, "artwork", OPTION_STRING, "path to artwork files" }, + { OPTION_CTRLRPATH, "ctrlr", OPTION_STRING, "path to controller definitions" }, + { OPTION_INIPATH, ".;ini", OPTION_STRING, "path to ini files" }, + { OPTION_FONTPATH, ".", OPTION_STRING, "path to font files" }, + { OPTION_CHEATPATH, "cheat", OPTION_STRING, "path to cheat files" }, + { OPTION_CROSSHAIRPATH, "crosshair", OPTION_STRING, "path to crosshair files" }, + + // output directory options + { NULL, NULL, OPTION_HEADER, "CORE OUTPUT DIRECTORY OPTIONS" }, + { OPTION_CFG_DIRECTORY, "cfg", OPTION_STRING, "directory to save configurations" }, + { OPTION_NVRAM_DIRECTORY, "nvram", OPTION_STRING, "directory to save nvram contents" }, + { OPTION_MEMCARD_DIRECTORY, "memcard", OPTION_STRING, "directory to save memory card contents" }, + { OPTION_INPUT_DIRECTORY, "inp", OPTION_STRING, "directory to save input device logs" }, + { OPTION_STATE_DIRECTORY, "sta", OPTION_STRING, "directory to save states" }, + { OPTION_SNAPSHOT_DIRECTORY, "snap", OPTION_STRING, "directory to save screenshots" }, + { OPTION_DIFF_DIRECTORY, "diff", OPTION_STRING, "directory to save hard drive image difference files" }, + { OPTION_COMMENT_DIRECTORY, "comments", OPTION_STRING, "directory to save debugger comments" }, + + // state/playback options + { NULL, NULL, OPTION_HEADER, "CORE STATE/PLAYBACK OPTIONS" }, + { OPTION_STATE, NULL, OPTION_STRING, "saved state to load" }, + { OPTION_AUTOSAVE, "0", OPTION_BOOLEAN, "enable automatic restore at startup, and automatic save at exit time" }, + { OPTION_PLAYBACK ";pb", NULL, OPTION_STRING, "playback an input file" }, + { OPTION_RECORD ";rec", NULL, OPTION_STRING, "record an input file" }, + { OPTION_MNGWRITE, NULL, OPTION_STRING, "optional filename to write a MNG movie of the current session" }, + { OPTION_AVIWRITE, NULL, OPTION_STRING, "optional filename to write an AVI movie of the current session" }, + { OPTION_WAVWRITE, NULL, OPTION_STRING, "optional filename to write a WAV file of the current session" }, + { OPTION_SNAPNAME, "%g/%i", OPTION_STRING, "override of the default snapshot/movie naming; %g == gamename, %i == index" }, + { OPTION_SNAPSIZE, "auto", OPTION_STRING, "specify snapshot/movie resolution (<width>x<height>) or 'auto' to use minimal size " }, + { OPTION_SNAPVIEW, "internal", OPTION_STRING, "specify snapshot/movie view or 'internal' to use internal pixel-aspect views" }, + { OPTION_BURNIN, "0", OPTION_BOOLEAN, "create burn-in snapshots for each screen" }, + + // performance options + { NULL, NULL, OPTION_HEADER, "CORE PERFORMANCE OPTIONS" }, + { OPTION_AUTOFRAMESKIP ";afs", "0", OPTION_BOOLEAN, "enable automatic frameskip selection" }, + { OPTION_FRAMESKIP ";fs(0-10)", "0", OPTION_INTEGER, "set frameskip to fixed value, 0-10 (autoframeskip must be disabled)" }, + { OPTION_SECONDS_TO_RUN ";str", "0", OPTION_INTEGER, "number of emulated seconds to run before automatically exiting" }, + { OPTION_THROTTLE, "1", OPTION_BOOLEAN, "enable throttling to keep game running in sync with real time" }, + { OPTION_SLEEP, "1", OPTION_BOOLEAN, "enable sleeping, which gives time back to other applications when idle" }, + { OPTION_SPEED "(0.01-100)", "1.0", OPTION_FLOAT, "controls the speed of gameplay, relative to realtime; smaller numbers are slower" }, + { OPTION_REFRESHSPEED ";rs", "0", OPTION_BOOLEAN, "automatically adjusts the speed of gameplay to keep the refresh rate lower than the screen" }, + + // rotation options + { NULL, NULL, OPTION_HEADER, "CORE ROTATION OPTIONS" }, + { OPTION_ROTATE, "1", OPTION_BOOLEAN, "rotate the game screen according to the game's orientation needs it" }, + { OPTION_ROR, "0", OPTION_BOOLEAN, "rotate screen clockwise 90 degrees" }, + { OPTION_ROL, "0", OPTION_BOOLEAN, "rotate screen counterclockwise 90 degrees" }, + { OPTION_AUTOROR, "0", OPTION_BOOLEAN, "automatically rotate screen clockwise 90 degrees if vertical" }, + { OPTION_AUTOROL, "0", OPTION_BOOLEAN, "automatically rotate screen counterclockwise 90 degrees if vertical" }, + { OPTION_FLIPX, "0", OPTION_BOOLEAN, "flip screen left-right" }, + { OPTION_FLIPY, "0", OPTION_BOOLEAN, "flip screen upside-down" }, + + // artwork options + { NULL, NULL, OPTION_HEADER, "CORE ARTWORK OPTIONS" }, + { OPTION_ARTWORK_CROP ";artcrop", "0", OPTION_BOOLEAN, "crop artwork to game screen size" }, + { OPTION_USE_BACKDROPS ";backdrop", "1", OPTION_BOOLEAN, "enable backdrops if artwork is enabled and available" }, + { OPTION_USE_OVERLAYS ";overlay", "1", OPTION_BOOLEAN, "enable overlays if artwork is enabled and available" }, + { OPTION_USE_BEZELS ";bezel", "1", OPTION_BOOLEAN, "enable bezels if artwork is enabled and available" }, + { OPTION_USE_CPANELS ";cpanel", "1", OPTION_BOOLEAN, "enable cpanels if artwork is enabled and available" }, + { OPTION_USE_MARQUEES ";marquee", "1", OPTION_BOOLEAN, "enable marquees if artwork is enabled and available" }, + + // screen options + { NULL, NULL, OPTION_HEADER, "CORE SCREEN OPTIONS" }, + { OPTION_BRIGHTNESS "(0.1-2.0)", "1.0", OPTION_FLOAT, "default game screen brightness correction" }, + { OPTION_CONTRAST "(0.1-2.0)", "1.0", OPTION_FLOAT, "default game screen contrast correction" }, + { OPTION_GAMMA "(0.1-3.0)", "1.0", OPTION_FLOAT, "default game screen gamma correction" }, + { OPTION_PAUSE_BRIGHTNESS "(0.0-1.0)", "0.65", OPTION_FLOAT, "amount to scale the screen brightness when paused" }, + { OPTION_EFFECT, "none", OPTION_STRING, "name of a PNG file to use for visual effects, or 'none'" }, + + // vector options + { NULL, NULL, OPTION_HEADER, "CORE VECTOR OPTIONS" }, + { OPTION_ANTIALIAS ";aa", "1", OPTION_BOOLEAN, "use antialiasing when drawing vectors" }, + { OPTION_BEAM, "1.0", OPTION_FLOAT, "set vector beam width" }, + { OPTION_FLICKER, "0", OPTION_FLOAT, "set vector flicker effect" }, + + // sound options + { NULL, NULL, OPTION_HEADER, "CORE SOUND OPTIONS" }, + { OPTION_SOUND, "1", OPTION_BOOLEAN, "enable sound output" }, + { OPTION_SAMPLERATE ";sr(1000-1000000)", "48000", OPTION_INTEGER, "set sound output sample rate" }, + { OPTION_SAMPLES, "1", OPTION_BOOLEAN, "enable the use of external samples if available" }, + { OPTION_VOLUME ";vol", "0", OPTION_INTEGER, "sound volume in decibels (-32 min, 0 max)" }, + + // input options + { NULL, NULL, OPTION_HEADER, "CORE INPUT OPTIONS" }, + { OPTION_COIN_LOCKOUT ";coinlock", "1", OPTION_BOOLEAN, "enable coin lockouts to actually lock out coins" }, + { OPTION_CTRLR, NULL, OPTION_STRING, "preconfigure for specified controller" }, + { OPTION_MOUSE, "0", OPTION_BOOLEAN, "enable mouse input" }, + { OPTION_JOYSTICK ";joy", "1", OPTION_BOOLEAN, "enable joystick input" }, + { OPTION_LIGHTGUN ";gun", "0", OPTION_BOOLEAN, "enable lightgun input" }, + { OPTION_MULTIKEYBOARD ";multikey", "0", OPTION_BOOLEAN, "enable separate input from each keyboard device (if present)" }, + { OPTION_MULTIMOUSE, "0", OPTION_BOOLEAN, "enable separate input from each mouse device (if present)" }, + { OPTION_STEADYKEY ";steady", "0", OPTION_BOOLEAN, "enable steadykey support" }, + { OPTION_OFFSCREEN_RELOAD ";reload", "0", OPTION_BOOLEAN, "convert lightgun button 2 into offscreen reload" }, + { OPTION_JOYSTICK_MAP ";joymap", "auto", OPTION_STRING, "explicit joystick map, or auto to auto-select" }, + { OPTION_JOYSTICK_DEADZONE ";joy_deadzone;jdz", "0.3", OPTION_FLOAT, "center deadzone range for joystick where change is ignored (0.0 center, 1.0 end)" }, + { OPTION_JOYSTICK_SATURATION ";joy_saturation;jsat", "0.85", OPTION_FLOAT, "end of axis saturation range for joystick where change is ignored (0.0 center, 1.0 end)" }, + { OPTION_NATURAL_KEYBOARD ";nat", "0", OPTION_BOOLEAN, "specifies whether to use a natural keyboard or not" }, + + // input autoenable options + { NULL, NULL, OPTION_HEADER, "CORE INPUT AUTOMATIC ENABLE OPTIONS" }, + { OPTION_PADDLE_DEVICE ";paddle", "keyboard", OPTION_STRING, "enable (none|keyboard|mouse|lightgun|joystick) if a paddle control is present" }, + { OPTION_ADSTICK_DEVICE ";adstick", "keyboard", OPTION_STRING, "enable (none|keyboard|mouse|lightgun|joystick) if an analog joystick control is present" }, + { OPTION_PEDAL_DEVICE ";pedal", "keyboard", OPTION_STRING, "enable (none|keyboard|mouse|lightgun|joystick) if a pedal control is present" }, + { OPTION_DIAL_DEVICE ";dial", "keyboard", OPTION_STRING, "enable (none|keyboard|mouse|lightgun|joystick) if a dial control is present" }, + { OPTION_TRACKBALL_DEVICE ";trackball", "keyboard", OPTION_STRING, "enable (none|keyboard|mouse|lightgun|joystick) if a trackball control is present" }, + { OPTION_LIGHTGUN_DEVICE, "keyboard", OPTION_STRING, "enable (none|keyboard|mouse|lightgun|joystick) if a lightgun control is present" }, + { OPTION_POSITIONAL_DEVICE, "keyboard", OPTION_STRING, "enable (none|keyboard|mouse|lightgun|joystick) if a positional control is present" }, + { OPTION_MOUSE_DEVICE, "mouse", OPTION_STRING, "enable (none|keyboard|mouse|lightgun|joystick) if a mouse control is present" }, + + // debugging options + { NULL, NULL, OPTION_HEADER, "CORE DEBUGGING OPTIONS" }, + { OPTION_LOG, "0", OPTION_BOOLEAN, "generate an error.log file" }, + { OPTION_VERBOSE ";v", "0", OPTION_BOOLEAN, "display additional diagnostic information" }, + { OPTION_UPDATEINPAUSE, "0", OPTION_BOOLEAN, "keep calling video updates while in pause" }, + { OPTION_DEBUG ";d", "0", OPTION_BOOLEAN, "enable/disable debugger" }, + { OPTION_DEBUGSCRIPT, NULL, OPTION_STRING, "script for debugger" }, + { OPTION_DEBUG_INTERNAL ";di", "0", OPTION_BOOLEAN, "use the internal debugger for debugging" }, + + // misc options + { NULL, NULL, OPTION_HEADER, "CORE MISC OPTIONS" }, + { OPTION_BIOS, NULL, OPTION_STRING, "select the system BIOS to use" }, + { OPTION_CHEAT ";c", "0", OPTION_BOOLEAN, "enable cheat subsystem" }, + { OPTION_SKIP_GAMEINFO, "0", OPTION_BOOLEAN, "skip displaying the information screen at startup" }, + { OPTION_UI_FONT, "default", OPTION_STRING, "specify a font to use" }, + { OPTION_RAMSIZE ";ram", NULL, OPTION_STRING, "size of RAM (if supported by driver)" }, + { OPTION_CONFIRM_QUIT, "0", OPTION_BOOLEAN, "display confirm quit screen on exit" }, + { NULL } +}; + + + +//************************************************************************** +// EMU OPTIONS +//************************************************************************** + +//------------------------------------------------- +// emu_options - constructor +//------------------------------------------------- + +emu_options::emu_options() +{ + add_entries(s_option_entries); +} + + +//------------------------------------------------- +// add_slot_options - add all of the slot +// options for the configured system +//------------------------------------------------- + +bool emu_options::add_slot_options(bool isfirst) +{ + // look up the system configured by name; if no match, do nothing + const game_driver *cursystem = system(); + if (cursystem == NULL) + return false; + + // iterate through all slot devices + options_entry entry[2] = { { 0 }, { 0 } }; + bool first = true; + const device_slot_interface *slot = NULL; + // create the configuration + machine_config config(*cursystem, *this); + bool added = false; + for (bool gotone = config.devicelist().first(slot); gotone; gotone = slot->next(slot)) + { + // first device? add the header as to be pretty + if (first && isfirst) + { + entry[0].name = NULL; + entry[0].description = "SLOT DEVICES"; + entry[0].flags = OPTION_HEADER | OPTION_FLAG_DEVICE; + entry[0].defvalue = NULL; + add_entries(entry); + } + first = false; + + // retrieve info about the device instance + astring option_name; + option_name.printf("%s;%s", slot->device().tag(), slot->device().tag()); + + if (!exists(slot->device().tag())) { + + // add the option + entry[0].name = slot->device().tag(); + entry[0].description = NULL; + entry[0].flags = OPTION_STRING | OPTION_FLAG_DEVICE; + entry[0].defvalue = (slot->get_slot_interfaces() != NULL) ? slot->get_default_card(config.devicelist(),*this) : NULL; + add_entries(entry, true); + + added = true; + } + } + return added; +} + +//------------------------------------------------- +// add_device_options - add all of the device +// options for the configured system +//------------------------------------------------- + +void emu_options::add_device_options(bool isfirst) +{ + // look up the system configured by name; if no match, do nothing + const game_driver *cursystem = system(); + if (cursystem == NULL) + return; + + // iterate through all slot devices + options_entry entry[2] = { { 0 }, { 0 } }; + bool first = true; + // iterate through all image devices + const device_image_interface *image = NULL; + machine_config config(*cursystem, *this); + for (bool gotone = config.devicelist().first(image); gotone; gotone = image->next(image)) + { + // first device? add the header as to be pretty + if (first && isfirst) + { + entry[0].name = NULL; + entry[0].description = "IMAGE DEVICES"; + entry[0].flags = OPTION_HEADER | OPTION_FLAG_DEVICE; + entry[0].defvalue = NULL; + add_entries(entry); + } + first = false; + + // retrieve info about the device instance + astring option_name; + option_name.printf("%s;%s", image->instance_name(), image->brief_instance_name()); + + // add the option + if (!exists(image->instance_name())) { + entry[0].name = option_name; + entry[0].description = NULL; + entry[0].flags = OPTION_STRING | OPTION_FLAG_DEVICE; + entry[0].defvalue = NULL; + add_entries(entry, true); + } + } +} + + +//------------------------------------------------- +// remove_device_options - remove device options +//------------------------------------------------- + +void emu_options::remove_device_options() +{ + // iterate through options and remove interesting ones + entry *nextentry; + for (entry *curentry = first(); curentry != NULL; curentry = nextentry) + { + // pre-fetch the next entry in case we delete this one + nextentry = curentry->next(); + + // if this is a device option, nuke it + if ((curentry->flags() & OPTION_FLAG_DEVICE) != 0) + remove_entry(*curentry); + } +} + + +//------------------------------------------------- +// parse_slot_devices - parse the command line +// and update slot and image devices +//------------------------------------------------- + +bool emu_options::parse_slot_devices(int argc, char *argv[], astring &error_string, const char *name, const char *value) +{ + remove_device_options(); + add_device_options(true); + if (name && exists(name)) { + set_value(name, value, OPTION_PRIORITY_CMDLINE, error_string); + } + bool isfirst = true; + bool result = core_options::parse_command_line(argc, argv, OPTION_PRIORITY_CMDLINE, error_string); + while (add_slot_options(isfirst)) { + result = core_options::parse_command_line(argc, argv, OPTION_PRIORITY_CMDLINE, error_string); + add_device_options(false); + if (name && exists(name)) { + set_value(name, value, OPTION_PRIORITY_CMDLINE, error_string); + } + isfirst = false; + } + result = core_options::parse_command_line(argc, argv, OPTION_PRIORITY_CMDLINE, error_string); + return result; +} + +//------------------------------------------------- +// parse_command_line - parse the command line +// and update the devices +//------------------------------------------------- + +bool emu_options::parse_command_line(int argc, char *argv[], astring &error_string) +{ + // remember the original system name + astring old_system_name(system_name()); + + // parse as normal + bool result = core_options::parse_command_line(argc, argv, OPTION_PRIORITY_CMDLINE, error_string); + + // if the system name changed, fix up the device options + if (old_system_name != system_name()) + { + // remove any existing device options + result = parse_slot_devices(argc, argv, error_string, NULL, NULL); + } + return result; +} + + +//------------------------------------------------- +// parse_standard_inis - parse the standard set +// of INI files +//------------------------------------------------- + +void emu_options::parse_standard_inis(astring &error_string) +{ + // start with an empty string + error_string.reset(); + + // parse the INI file defined by the platform (e.g., "mame.ini") + // we do this twice so that the first file can change the INI path + parse_one_ini(CONFIGNAME, OPTION_PRIORITY_MAME_INI); + parse_one_ini(CONFIGNAME, OPTION_PRIORITY_MAME_INI, &error_string); + + // debug mode: parse "debug.ini" as well + if (debug()) + parse_one_ini("debug", OPTION_PRIORITY_DEBUG_INI, &error_string); + + // if we have a valid system driver, parse system-specific INI files + const game_driver *cursystem = system(); + if (cursystem == NULL) + return; + + // parse "vertical.ini" or "horizont.ini" + if (cursystem->flags & ORIENTATION_SWAP_XY) + parse_one_ini("vertical", OPTION_PRIORITY_ORIENTATION_INI, &error_string); + else + parse_one_ini("horizont", OPTION_PRIORITY_ORIENTATION_INI, &error_string); + + // parse "vector.ini" for vector games + { + machine_config config(*cursystem, *this); + for (const screen_device *device = config.first_screen(); device != NULL; device = device->next_screen()) + if (device->screen_type() == SCREEN_TYPE_VECTOR) + { + parse_one_ini("vector", OPTION_PRIORITY_VECTOR_INI, &error_string); + break; + } + } + + // next parse "source/<sourcefile>.ini"; if that doesn't exist, try <sourcefile>.ini + astring sourcename; + core_filename_extract_base(&sourcename, cursystem->source_file, TRUE)->ins(0, "source" PATH_SEPARATOR); + if (!parse_one_ini(sourcename, OPTION_PRIORITY_SOURCE_INI, &error_string)) + { + core_filename_extract_base(&sourcename, cursystem->source_file, TRUE); + parse_one_ini(sourcename, OPTION_PRIORITY_SOURCE_INI, &error_string); + } + + // then parse the grandparent, parent, and system-specific INIs + int parent = driver_list::clone(*cursystem); + int gparent = (parent != -1) ? driver_list::clone(parent) : -1; + if (gparent != -1) + parse_one_ini(driver_list::driver(gparent).name, OPTION_PRIORITY_GPARENT_INI, &error_string); + if (parent != -1) + parse_one_ini(driver_list::driver(parent).name, OPTION_PRIORITY_PARENT_INI, &error_string); + parse_one_ini(cursystem->name, OPTION_PRIORITY_DRIVER_INI, &error_string); +} + + +//------------------------------------------------- +// system - return a pointer to the specified +// system driver, or NULL if no match +//------------------------------------------------- + +const game_driver *emu_options::system() const +{ + astring tempstr; + int index = driver_list::find(*core_filename_extract_base(&tempstr, system_name(), TRUE)); + return (index != -1) ? &driver_list::driver(index) : NULL; +} + + +//------------------------------------------------- +// set_system_name - set a new system name +//------------------------------------------------- + +void emu_options::set_system_name(const char *name) +{ + // remember the original system name + astring old_system_name(system_name()); + + // if the system name changed, fix up the device options + if (old_system_name != name) + { + // first set the new name + astring error; + set_value(OPTION_SYSTEMNAME, name, OPTION_PRIORITY_CMDLINE, error); + assert(!error); + // remove any existing device options + remove_device_options(); + // then add the options + add_device_options(true); + } +} + + +//------------------------------------------------- +// device_option - return the value of the +// device-specific option +//------------------------------------------------- + +const char *emu_options::device_option(device_image_interface &image) +{ + return value(image.instance_name()); +} + + +//------------------------------------------------- +// parse_one_ini - parse a single INI file +//------------------------------------------------- + +bool emu_options::parse_one_ini(const char *basename, int priority, astring *error_string) +{ + // don't parse if it has been disabled + if (!read_config()) + return false; + + // open the file; if we fail, that's ok + emu_file file(ini_path(), OPEN_FLAG_READ); + file_error filerr = file.open(basename, ".ini"); + if (filerr != FILERR_NONE) + return false; + + // parse the file + mame_printf_verbose("Parsing %s.ini\n", basename); + astring error; + bool result = parse_ini_file(file, priority, OPTION_PRIORITY_DRIVER_INI, error); + + // append errors if requested + if (error && error_string != NULL) + error_string->catprintf("While parsing %s:\n%s\n", file.fullpath(), error.cstr()); + + return result; +} |