/*************************************************************************** mconfig.c Machine configuration macros and functions. **************************************************************************** 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 //************************************************************************** // MACHINE CONFIGURATIONS //************************************************************************** //------------------------------------------------- // machine_config - constructor //------------------------------------------------- machine_config::machine_config(const game_driver &gamedrv, emu_options &options) : m_minimum_quantum(attotime::zero), m_watchdog_vblank_count(0), m_watchdog_time(attotime::zero), m_nvram_handler(NULL), m_memcard_handler(NULL), m_video_attributes(0), m_gfxdecodeinfo(NULL), m_total_colors(0), m_default_layout(NULL), m_gamedrv(gamedrv), m_options(options), m_root_device(NULL) { // construct the config (*gamedrv.machine_config)(*this, NULL); bool is_selected_driver = strcmp(gamedrv.name,options.system_name())==0; // intialize slot devices - make sure that any required devices have been allocated slot_interface_iterator slotiter(root_device()); for (device_slot_interface *slot = slotiter.first(); slot != NULL; slot = slotiter.next()) { const slot_interface *intf = slot->get_slot_interfaces(); if (intf != NULL) { device_t &owner = slot->device(); astring temp; const char *selval = options.main_value(temp, owner.tag()+1); bool isdefault = (options.priority(owner.tag()+1)==OPTION_PRIORITY_DEFAULT); if (!is_selected_driver || !options.exists(owner.tag()+1)) selval = slot->get_default_card(); if (selval != NULL && *selval != 0) { bool found = false; for (int i = 0; intf[i].name != NULL; i++) { if (strcmp(selval, intf[i].name) == 0) { if ((!intf[i].internal) || (isdefault && intf[i].internal)) { const char *def = slot->get_default_card(); bool is_default = (def != NULL && strcmp(def, selval) == 0); device_t *new_dev = device_add(&owner, intf[i].name, intf[i].devtype, is_default ? slot->default_clock() : 0); found = true; if (is_default) { device_t::static_set_input_default(*new_dev, slot->input_ports_defaults()); if (slot->default_config()) { device_t::static_set_static_config(*new_dev, slot->default_config()); } } } } } if (!found) throw emu_fatalerror("Unknown slot option '%s' in slot '%s'", selval, owner.tag()+1); } } } // when finished, set the game driver driver_device::static_set_game(*m_root_device, gamedrv); // then notify all devices that their configuration is complete device_iterator iter(root_device()); for (device_t *device = iter.first(); device != NULL; device = iter.next()) if (!device->configured()) device->config_complete(); } //------------------------------------------------- // ~machine_config - destructor //------------------------------------------------- machine_config::~machine_config() { global_free(m_root_device); } //------------------------------------------------- // first_screen - return a pointer to the first // screen device //------------------------------------------------- screen_device *machine_config::first_screen() const { screen_device_iterator iter(root_device()); return iter.first(); } //------------------------------------------------- // device_add - configuration helper to add a // new device //------------------------------------------------- device_t *machine_config::device_add(device_t *owner, const char *tag, device_type type, UINT32 clock) { const char *orig_tag = tag; // if the device path is absolute, start from the root if (tag[0] == ':') { tag++; owner = m_root_device; } // go down the path until we're done with it while (strchr(tag, ':')) { const char *next = strchr(tag, ':'); assert(next != tag); astring part(tag, next-tag); device_t *curdevice; for (curdevice = owner->m_subdevice_list.first(); curdevice != NULL; curdevice = curdevice->next()) if (part == curdevice->m_basetag) break; if (!curdevice) throw emu_fatalerror("Could not find %s when looking up path for device %s\n", part.cstr(), orig_tag); owner = curdevice; tag = next+1; } assert(tag[0]); // if there's an owner, let the owner do the work if (owner != NULL) return owner->add_subdevice(type, tag, clock); // otherwise, allocate the device directly assert(m_root_device == NULL); m_root_device = (*type)(*this, tag, owner, clock); // apply any machine configuration owned by the device now machine_config_constructor additions = m_root_device->machine_config_additions(); if (additions != NULL) (*additions)(*this, m_root_device); return m_root_device; } //------------------------------------------------- // device_replace - configuration helper to // replace one device with a new device //------------------------------------------------- device_t *machine_config::device_replace(device_t *owner, const char *tag, device_type type, UINT32 clock) { // find the original device by this name (must exist) assert(owner != NULL); device_t *device = owner->subdevice(tag); if (device == NULL) { mame_printf_warning("Warning: attempting to replace non-existent device '%s'\n", tag); return device_add(owner, tag, type, clock); } // let the device's owner do the work return device->owner()->replace_subdevice(*device, type, tag, clock); } //------------------------------------------------- // device_remove - configuration helper to // remove a device //------------------------------------------------- device_t *machine_config::device_remove(device_t *owner, const char *tag) { // find the original device by this name (must exist) assert(owner != NULL); device_t *device = owner->subdevice(tag); if (device == NULL) { mame_printf_warning("Warning: attempting to remove non-existent device '%s'\n", tag); return NULL; } // let the device's owner do the work device->owner()->remove_subdevice(*device); return NULL; } //------------------------------------------------- // device_find - configuration helper to // locate a device //------------------------------------------------- device_t *machine_config::device_find(device_t *owner, const char *tag) { // find the original device by this name (must exist) assert(owner != NULL); device_t *device = owner->subdevice(tag); assert(device != NULL); if (device == NULL) throw emu_fatalerror("Unable to find device '%s'\n", tag); // return the device return device; }