rom_load_manager::rom_load_manager(running_machine &machine) : m_machine(machine) { /* figure out which BIOS we are using */ device_iterator deviter(machine.config().root_device()); for (device_t *device = deviter.first(); device != nullptr; device = deviter.next()) { if (device->rom_region()) { std::string specbios; if (device->owner() == nullptr) { specbios.assign(machine.options().bios()); } else { specbios = machine.options().sub_value(std::string(device->owner()->tag()).c_str()+1,"bios"); if (specbios.empty()) { specbios = device->default_bios_tag(); } } determine_bios_rom(device, specbios.c_str()); } } /* count the total number of ROMs */ count_roms(); /* reset the disk list */ m_chd_list.clear(); /* process the ROM entries we were passed */ process_region_list(); /* display the results and exit */ display_rom_load_results(FALSE); }
void rom_init(running_machine &machine) { rom_load_data *romdata; /* allocate private data */ machine.romload_data = romdata = auto_alloc_clear(machine, romload_private); /* make sure we get called back on the way out */ machine.add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(rom_exit), &machine)); /* reset the romdata struct */ romdata->m_machine = &machine; /* figure out which BIOS we are using */ determine_bios_rom(romdata); /* count the total number of ROMs */ count_roms(romdata); /* reset the disk list */ romdata->chd_list.reset(); /* process the ROM entries we were passed */ process_region_list(romdata); /* display the results and exit */ display_rom_load_results(romdata); }
static int count_roms(const struct RomModule *romp) { const struct RomModule *region, *rom; int count = 0; /* determine the correct biosset to load based on options.bios string */ int this_bios = determine_bios_rom(Machine->gamedrv->bios); /* loop over regions, then over files */ for (region = romp; region; region = rom_next_region(region)) for (rom = rom_first_file(region); rom; rom = rom_next_file(rom)) if (!ROM_GETBIOSFLAGS(romp) || (ROM_GETBIOSFLAGS(romp) == (this_bios+1))) /* alternate bios sets */ count++; /* return the total count */ return count; }
void rom_init(running_machine &machine) { romload_private *romdata; /* allocate private data */ machine.romload_data = romdata = auto_alloc_clear(machine, romload_private); /* make sure we get called back on the way out */ machine.add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(rom_exit), &machine)); /* reset the romdata struct */ romdata->m_machine = &machine; /* figure out which BIOS we are using */ device_iterator deviter(romdata->machine().config().root_device()); for (device_t *device = deviter.first(); device != NULL; device = deviter.next()) { if (device->rom_region()) { const char *specbios; astring temp; if (strcmp(device->tag(),":")==0) { specbios = romdata->machine().options().bios(); } else { specbios = romdata->machine().options().sub_value(temp,device->owner()->tag()+1,"bios"); if (strlen(specbios) == 0) { specbios = device->default_bios_tag().cstr(); } } determine_bios_rom(romdata, device, specbios); } } /* count the total number of ROMs */ count_roms(romdata); /* reset the disk list */ romdata->chd_list.reset(); /* process the ROM entries we were passed */ process_region_list(romdata); /* display the results and exit */ display_rom_load_results(romdata, FALSE); }
int rom_load(const struct RomModule *romp) { const struct RomModule *regionlist[REGION_MAX]; const struct RomModule *region; static struct rom_load_data romdata; int regnum; /* reset the region list */ for (regnum = 0;regnum < REGION_MAX;regnum++) regionlist[regnum] = NULL; /* reset the romdata struct */ memset(&romdata, 0, sizeof(romdata)); romdata.romstotal = count_roms(romp); /* reset the disk list */ memset(disk_handle, 0, sizeof(disk_handle)); /* determine the correct biosset to load based on options.bios string */ system_bios = determine_bios_rom(Machine->gamedrv->bios); /* loop until we hit the end */ for (region = romp, regnum = 0; region; region = rom_next_region(region), regnum++) { int regiontype = ROMREGION_GETTYPE(region); debugload("Processing region %02X (length=%X)\n", regiontype, ROMREGION_GETLENGTH(region)); /* the first entry must be a region */ if (!ROMENTRY_ISREGION(region)) { printf("Error: missing ROM_REGION header\n"); return 1; } /* if sound is disabled and it's a sound-only region, skip it */ if (Machine->sample_rate == 0 && ROMREGION_ISSOUNDONLY(region)) continue; /* allocate memory for the region */ if (new_memory_region(regiontype, ROMREGION_GETLENGTH(region), ROMREGION_GETFLAGS(region))) { printf("Error: unable to allocate memory for region %d\n", regiontype); return 1; } /* remember the base and length */ romdata.regionlength = memory_region_length(regiontype); romdata.regionbase = memory_region(regiontype); debugload("Allocated %X bytes @ %08X\n", romdata.regionlength, (int)romdata.regionbase); /* clear the region if it's requested */ if (ROMREGION_ISERASE(region)) memset(romdata.regionbase, ROMREGION_GETERASEVAL(region), romdata.regionlength); /* or if it's sufficiently small (<= 4MB) */ else if (romdata.regionlength <= 0x400000) memset(romdata.regionbase, 0, romdata.regionlength); #ifdef MAME_DEBUG /* if we're debugging, fill region with random data to catch errors */ else fill_random(romdata.regionbase, romdata.regionlength); #endif /* now process the entries in the region */ if (ROMREGION_ISROMDATA(region)) { if (!process_rom_entries(&romdata, region + 1)) return 1; } else if (ROMREGION_ISDISKDATA(region)) { if (!process_disk_entries(&romdata, region + 1)) return 1; } /* add this region to the list */ if (regiontype < REGION_MAX) regionlist[regiontype] = region; } /* post-process the regions */ for (regnum = 0; regnum < REGION_MAX; regnum++) if (regionlist[regnum]) { debugload("Post-processing region %02X\n", regnum); romdata.regionlength = memory_region_length(regnum); romdata.regionbase = memory_region(regnum); region_post_process(&romdata, regionlist[regnum]); } /* display the results and exit */ return display_rom_load_results(&romdata); }
void rom_init(running_machine *machine, const rom_entry *romp) { const rom_entry *regionlist[REGION_MAX]; const rom_entry *region; static rom_load_data romdata; int regnum; /* if no roms, bail */ if (romp == NULL) return; /* make sure we get called back on the way out */ add_exit_callback(machine, rom_exit); /* reset the region list */ memset((void *)regionlist, 0, sizeof(regionlist)); /* reset the romdata struct */ memset(&romdata, 0, sizeof(romdata)); romdata.romstotal = count_roms(romp); /* reset the disk list */ memset(disk_handle, 0, sizeof(disk_handle)); /* determine the correct biosset to load based on options.bios string */ system_bios = determine_bios_rom(Machine->gamedrv->bios); /* loop until we hit the end */ for (region = romp, regnum = 0; region; region = rom_next_region(region), regnum++) { int regiontype = ROMREGION_GETTYPE(region); debugload("Processing region %02X (length=%X)\n", regiontype, ROMREGION_GETLENGTH(region)); /* the first entry must be a region */ assert(ROMENTRY_ISREGION(region)); /* remember the base and length */ romdata.regionbase = new_memory_region(machine, regiontype, ROMREGION_GETLENGTH(region), ROMREGION_GETFLAGS(region)); romdata.regionlength = ROMREGION_GETLENGTH(region); debugload("Allocated %X bytes @ %08X\n", romdata.regionlength, (int)romdata.regionbase); /* clear the region if it's requested */ if (ROMREGION_ISERASE(region)) memset(romdata.regionbase, ROMREGION_GETERASEVAL(region), romdata.regionlength); /* or if it's sufficiently small (<= 4MB) */ else if (romdata.regionlength <= 0x400000) memset(romdata.regionbase, 0, romdata.regionlength); #ifdef MAME_DEBUG /* if we're debugging, fill region with random data to catch errors */ else fill_random(romdata.regionbase, romdata.regionlength); #endif /* now process the entries in the region */ if (ROMREGION_ISROMDATA(region)) process_rom_entries(&romdata, region + 1); else if (ROMREGION_ISDISKDATA(region)) process_disk_entries(&romdata, region + 1); /* add this region to the list */ if (regiontype < REGION_MAX) regionlist[regiontype] = region; } /* post-process the regions */ for (regnum = 0; regnum < REGION_MAX; regnum++) if (regionlist[regnum]) { debugload("Post-processing region %02X\n", regnum); romdata.regionlength = memory_region_length(regnum); romdata.regionbase = memory_region(regnum); region_post_process(&romdata, regionlist[regnum]); } /* display the results and exit */ total_rom_load_warnings = romdata.warnings; display_rom_load_results(&romdata); }