/*************************************************************************** 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_perfect_cpu_quantum(NULL), 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) { // construct the config (*gamedrv.machine_config)(*this, NULL); // intialize slot devices - make sure that any required devices have been allocated device_slot_interface *slot = NULL; for (bool gotone = m_devicelist.first(slot); gotone; gotone = slot->next(slot)) { const slot_interface *intf = slot->get_slot_interfaces(); if (intf != NULL) { device_t &owner = slot->device(); const char *selval = options.value(owner.tag()); if (options.seqid(owner.tag()) == 0) selval = slot->get_default_card(); if (selval != NULL) for (int i = 0; intf[i].name != NULL; i++) if (strcmp(selval, intf[i].name) == 0) device_add(&owner, intf[i].name, intf[i].devtype, 0); } } // when finished, set the game driver device_t *root = m_devicelist.find("root"); if (root == NULL) throw emu_fatalerror("Machine configuration missing driver_device"); driver_device::static_set_game(*root, gamedrv); // then notify all devices that their configuration is complete for (device_t *device = m_devicelist.first(); device != NULL; device = device->next()) if (!device->configured()) device->config_complete(); } //------------------------------------------------- // ~machine_config - destructor //------------------------------------------------- machine_config::~machine_config() { } //------------------------------------------------- // first_screen - return a pointer to the first // screen device //------------------------------------------------- screen_device *machine_config::first_screen() const { return downcast(m_devicelist.first(SCREEN)); } //------------------------------------------------- // device_add_subdevices - helper to add // devices owned by the device //------------------------------------------------- void machine_config::device_add_subdevices(device_t *device) { machine_config_constructor additions = device->machine_config_additions(); if (additions != NULL) (*additions)(*this, device); } //------------------------------------------------- // device_remove_subdevices - helper to remove // devices owned by the device //------------------------------------------------- void machine_config::device_remove_subdevices(const device_t *device) { if (device != NULL) { device_t *sub_device = m_devicelist.first(); while (sub_device != NULL) { if (sub_device->owner() == device) device_remove_subdevices(sub_device); device_t *next_device = sub_device->next(); if (sub_device->owner() == device) m_devicelist.remove(*sub_device); sub_device = next_device; } } } //------------------------------------------------- // 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) { astring tempstring; const char *fulltag = owner->subtag(tempstring, tag); device_t *device = &m_devicelist.append(fulltag, *(*type)(*this, fulltag, owner, clock)); device_add_subdevices(device); return 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) { astring tempstring; const char *fulltag = owner->subtag(tempstring, tag); device_remove_subdevices(m_devicelist.find(fulltag)); device_t *device = &m_devicelist.replace_and_remove(fulltag, *(*type)(*this, fulltag, owner, clock)); device_add_subdevices(device); return device; } //------------------------------------------------- // device_remove - configuration helper to // remove a device //------------------------------------------------- device_t *machine_config::device_remove(device_t *owner, const char *tag) { astring tempstring; const char *fulltag = owner->subtag(tempstring, tag); device_t *device=m_devicelist.find(fulltag); device_remove_subdevices(device); m_devicelist.remove(*device); return NULL; } //------------------------------------------------- // device_find - configuration helper to // locate a device //------------------------------------------------- device_t *machine_config::device_find(device_t *owner, const char *tag) { astring tempstring; const char *fulltag = owner->subtag(tempstring, tag); device_t *device = m_devicelist.find(fulltag); if (device == NULL) throw emu_fatalerror("Unable to find device: tag=%s\n", fulltag); return device; }