void generic_machine_init(running_machine *machine)
{
int counternum;
/* reset coin counters */
for (counternum = 0; counternum < COIN_COUNTERS; counternum++)
{
lastcoin[counternum] = 0;
coinlockedout[counternum] = 0;
servicecoinlockedout[counternum] = 0;
}
/* reset NVRAM size and pointers */
generic_nvram_size = 0;
generic_nvram = NULL;
generic_nvram16 = NULL;
generic_nvram32 = NULL;
/* reset memory card info */
memcard_inserted = -1;
/* register a reset callback and save state for interrupt enable */
add_reset_callback(machine, interrupt_reset);
state_save_register_item_array("cpu", 0, interrupt_enable);
/* register for configuration */
config_register("counters", counters_load, counters_save);
/* for memory cards, request save state and an exit callback */
if (machine->drv->memcard_handler != NULL)
{
state_save_register_global(memcard_inserted);
add_exit_callback(machine, memcard_eject);
}
}
int sound_init(running_machine *machine)
{
/* handle -nosound */
nosound_mode = (Machine->sample_rate == 0);
if (nosound_mode)
Machine->sample_rate = 11025;
/* count the speakers */
for (totalspeakers = 0; Machine->drv->speaker[totalspeakers].tag; totalspeakers++) ;
VPRINTF(("total speakers = %d\n", totalspeakers));
/* initialize the OSD layer */
VPRINTF(("osd_start_audio_stream\n"));
samples_this_frame = osd_start_audio_stream(1);
if (!samples_this_frame)
return 1;
/* allocate memory for mix buffers */
leftmix = auto_malloc(Machine->sample_rate * sizeof(*leftmix));
rightmix = auto_malloc(Machine->sample_rate * sizeof(*rightmix));
finalmix = auto_malloc(Machine->sample_rate * sizeof(*finalmix));
/* allocate a global timer for sound timing */
sound_update_timer = mame_timer_alloc(NULL);
/* initialize the streams engine */
VPRINTF(("streams_init\n"));
streams_init();
/* now start up the sound chips and tag their streams */
VPRINTF(("start_sound_chips\n"));
if (start_sound_chips())
return 1;
/* then create all the speakers */
VPRINTF(("start_speakers\n"));
if (start_speakers())
return 1;
/* finally, do all the routing */
VPRINTF(("route_sound\n"));
if (route_sound())
return 1;
if (MAKE_WAVS)
wavfile = wav_open("finalmix.wav", Machine->sample_rate, 2);
/* enable sound by default */
global_sound_enabled = TRUE;
/* register callbacks */
config_register("mixer", sound_load, sound_save);
add_pause_callback(machine, sound_pause);
add_reset_callback(machine, sound_reset);
add_exit_callback(machine, sound_exit);
return 0;
}
void gtia_init(running_machine *machine, const gtia_interface *intf)
{
memset(>ia, 0, sizeof(gtia));
gtia.intf = *intf;
add_reset_callback(Machine, gtia_reset);
/* state saves */
gtia_state(machine);
}
void sound_init(running_machine *machine)
{
attotime update_frequency = SOUND_UPDATE_FREQUENCY;
const char *filename;
/* handle -nosound */
nosound_mode = !options_get_bool(mame_options(), OPTION_SOUND);
if (nosound_mode)
Machine->sample_rate = 11025;
/* count the speakers */
for (totalspeakers = 0; Machine->drv->speaker[totalspeakers].tag; totalspeakers++) ;
VPRINTF(("total speakers = %d\n", totalspeakers));
/* allocate memory for mix buffers */
leftmix = auto_malloc(Machine->sample_rate * sizeof(*leftmix));
rightmix = auto_malloc(Machine->sample_rate * sizeof(*rightmix));
finalmix = auto_malloc(Machine->sample_rate * sizeof(*finalmix));
/* allocate a global timer for sound timing */
sound_update_timer = timer_alloc(sound_update, NULL);
timer_adjust(sound_update_timer, update_frequency, 0, update_frequency);
/* initialize the streams engine */
VPRINTF(("streams_init\n"));
streams_init(machine, update_frequency.attoseconds);
/* now start up the sound chips and tag their streams */
VPRINTF(("start_sound_chips\n"));
start_sound_chips();
/* then create all the speakers */
VPRINTF(("start_speakers\n"));
start_speakers();
/* finally, do all the routing */
VPRINTF(("route_sound\n"));
route_sound();
/* open the output WAV file if specified */
filename = options_get_string(mame_options(), OPTION_WAVWRITE);
if (filename[0] != 0)
wavfile = wav_open(filename, machine->sample_rate, 2);
/* enable sound by default */
global_sound_enabled = TRUE;
sound_muted = FALSE;
sound_set_attenuation(options_get_int(mame_options(), OPTION_VOLUME));
/* register callbacks */
config_register("mixer", sound_load, sound_save);
add_pause_callback(machine, sound_pause);
add_reset_callback(machine, sound_reset);
add_exit_callback(machine, sound_exit);
}
void watchdog_init(running_machine *machine)
{
/* allocate a timer for the watchdog */
watchdog_timer = timer_alloc(machine, watchdog_callback, NULL);
add_reset_callback(machine, watchdog_internal_reset);
/* save some stuff in the default tag */
state_save_register_item(machine, "watchdog", NULL, 0, watchdog_enabled);
state_save_register_item(machine, "watchdog", NULL, 0, watchdog_counter);
}
void tecmosys_prot_init(running_machine *machine, int which)
{
switch (which)
{
case 0: device_data = &deroon_data; break;
case 1: device_data = &tkdensho_data; break;
case 2: device_data = &tkdensha_data; break;
}
add_reset_callback(machine, tecmosys_prot_reset);
}
void sam_init(const sam6883_interface *intf)
{
sam.state = 0;
sam.old_state = ~0;
sam.intf = intf;
add_reset_callback(sam_reset);
/* save state registration */
state_save_register_item("6883sam", 0, sam.state);
state_save_register_item("6883sam", 0, sam.video_position);
state_save_register_func_postload(update_sam);
}
static void nes_vh_start(ppu_t ppu_type, double scanlines_per_frame)
{
ppu2c0x_interface ppu_interface;
nes_zapper_hack = NULL;
memset(&ppu_interface, 0, sizeof(ppu_interface));
ppu_interface.type = ppu_type;
ppu_interface.num = 1;
ppu_interface.vrom_region[0] = nes.chr_chunks ? REGION_GFX1 : REGION_INVALID;
ppu_interface.mirroring[0] = PPU_MIRROR_NONE;
ppu_interface.nmi_handler[0] = ppu_nmi;
ppu2c0x_init(&ppu_interface);
ppu2c0x_set_vidaccess_callback(0, nes_ppu_vidaccess);
ppu2c0x_set_scanlines_per_frame(0, ceil(scanlines_per_frame));
if (nes.four_screen_vram)
{
ppu2c0x_set_mirroring(0, PPU_MIRROR_4SCREEN);
}
else
{
switch(nes.hard_mirroring)
{
case 0:
ppu2c0x_set_mirroring(0, PPU_MIRROR_HORZ);
break;
case 1:
ppu2c0x_set_mirroring(0, PPU_MIRROR_VERT);
break;
}
}
add_reset_callback(Machine, nes_vh_reset);
/* Reset the mapper variables. Will also mark the char-gen ram as dirty */
mapper_reset(nes.mapper);
}
static int nes_vh_start(int ppu_scanlines_per_frame)
{
ppu2c03b_interface ppu_interface;
memset(&ppu_interface, 0, sizeof(ppu_interface));
ppu_interface.num = 1;
ppu_interface.vrom_region[0] = nes.chr_chunks ? REGION_GFX1 : REGION_INVALID;
ppu_interface.mirroring[0] = PPU_MIRROR_NONE;
ppu_interface.nmi_handler[0] = ppu_nmi;
ppu2c03b_init(&ppu_interface);
ppu2c03b_set_vidaccess_callback(0, nes_ppu_vidaccess);
ppu2c03b_set_scanlines_per_frame(0, ppu_scanlines_per_frame);
if (nes.four_screen_vram)
{
/* TODO: figure out what to do here */
}
else
{
switch(nes.hard_mirroring) {
case 0:
ppu2c03b_set_mirroring(0, PPU_MIRROR_HORZ);
break;
case 1:
ppu2c03b_set_mirroring(0, PPU_MIRROR_VERT);
break;
}
}
add_reset_callback(nes_vh_reset);
/* Reset the mapper variables. Will also mark the char-gen ram as dirty */
mapper_reset (nes.mapper);
return 0;
}
static void atari_machine_start(running_machine *machine, int type, const pia6821_interface *pia_intf, int has_cart)
{
gtia_interface gtia_intf;
atari = type;
/* GTIA */
memset(>ia_intf, 0, sizeof(gtia_intf));
if (port_tag_to_index("console") >= 0)
gtia_intf.console_read = console_read;
if (sndti_exists(SOUND_DAC, 0))
gtia_intf.console_write = console_write;
gtia_init(machine, >ia_intf);
/* pokey */
add_reset_callback(Machine, pokey_reset);
/* PIA */
if (pia_intf)
{
pia_config(0, pia_intf);
add_reset_callback(Machine, _pia_reset);
}
/* ANTIC */
add_reset_callback(Machine, _antic_reset);
/* cartridge */
if (has_cart)
add_reset_callback(Machine, cart_reset);
#ifdef MESS
{
offs_t ram_top;
offs_t ram_size;
if (!strcmp(Machine->gamedrv->name, "a400")
|| !strcmp(Machine->gamedrv->name, "a400pal")
|| !strcmp(Machine->gamedrv->name, "a800")
|| !strcmp(Machine->gamedrv->name, "a800pal")
|| !strcmp(Machine->gamedrv->name, "a800xl"))
{
ram_size = 0xA000;
}
else
{
ram_size = 0x8000;
}
/* install RAM */
ram_top = MIN(mess_ram_size, ram_size) - 1;
memory_install_read8_handler(machine, 0, ADDRESS_SPACE_PROGRAM,
0x0000, ram_top, 0, 0, SMH_BANK2);
memory_install_write8_handler(machine, 0, ADDRESS_SPACE_PROGRAM,
0x0000, ram_top, 0, 0, SMH_BANK2);
memory_set_bankptr(2, mess_ram);
}
#endif /* MESS */
/* save states */
state_save_register_global_pointer(((UINT8 *) &antic.r), sizeof(antic.r));
state_save_register_global_pointer(((UINT8 *) &antic.w), sizeof(antic.w));
}