static void *ym2203_start(int sndindex, int clock, const void *config)
{
static const struct YM2203interface generic_2203 = { 0 };
const struct YM2203interface *intf = config ? config : &generic_2203;
struct ym2203_info *info;
info = auto_malloc(sizeof(*info));
memset(info, 0, sizeof(*info));
info->intf = intf;
info->psg = ay8910_start_ym(SOUND_YM2203, sndindex, clock, 3, intf->portAread, intf->portBread, intf->portAwrite, intf->portBwrite);
if (!info->psg) return NULL;
/* Timer Handler set */
info->timer[0] = timer_alloc_ptr(timer_callback_2203_0, info);
info->timer[1] = timer_alloc_ptr(timer_callback_2203_1, info);
/* stream system initialize */
info->stream = stream_create(0,1,Machine->sample_rate,info,ym2203_stream_update);
/* Initialize FM emurator */
info->chip = YM2203Init(info,sndindex,clock,Machine->sample_rate,TimerHandler,IRQHandler,&psgintf);
state_save_register_func_postload_ptr(ym2203_postload, info);
if (info->chip)
return info;
/* error */
/* stream close */
return NULL;
}
static void *ym2612_start(int sndindex, int clock, const void *config)
{
static const struct YM2612interface dummy = { 0 };
int rate = Machine->sample_rate;
struct ym2612_info *info;
info = auto_malloc(sizeof(*info));
memset(info, 0, sizeof(*info));
info->intf = config ? config : &dummy;
/* FM init */
/* Timer Handler set */
info->timer[0] =timer_alloc_ptr(timer_callback_2612_0, info);
info->timer[1] =timer_alloc_ptr(timer_callback_2612_1, info);
/* stream system initialize */
info->stream = stream_create(0,2,rate,info,ym2612_stream_update);
/**** initialize YM2612 ****/
info->chip = YM2612Init(info,sndindex,clock,rate,TimerHandler,IRQHandler);
state_save_register_func_postload_ptr(ym2612_postload, info);
if (info->chip)
return info;
/* error */
return NULL;
}
void crtc6845_init(void)
{
crtc6845_state *chip = &crtc6845;
int which = 0;
state_save_register_func_postload_ptr(crtc6845_state_save_postload, chip);
state_save_register_item("crtc6845", which, chip->address_latch);
state_save_register_item("crtc6845", which, chip->horiz_total);
state_save_register_item("crtc6845", which, chip->horiz_disp);
state_save_register_item("crtc6845", which, chip->horiz_sync_pos);
state_save_register_item("crtc6845", which, chip->sync_width);
state_save_register_item("crtc6845", which, chip->vert_total);
state_save_register_item("crtc6845", which, chip->vert_total_adj);
state_save_register_item("crtc6845", which, chip->vert_disp);
state_save_register_item("crtc6845", which, chip->vert_sync_pos);
state_save_register_item("crtc6845", which, chip->intl_skew);
state_save_register_item("crtc6845", which, chip->max_ras_addr);
state_save_register_item("crtc6845", which, chip->cursor_start_ras);
state_save_register_item("crtc6845", which, chip->cursor_end_ras);
state_save_register_item("crtc6845", which, chip->start_addr);
state_save_register_item("crtc6845", which, chip->cursor);
state_save_register_item("crtc6845", which, chip->light_pen);
/* do not configure the screen */
chip->intf = 0;
chip->has_valid_parameters = FALSE;
}
static void *ym2151_start(int sndindex, int clock, const void *config)
{
static const struct YM2151interface dummy = { 0 };
int rate = Machine->sample_rate;
struct ym2151_info *info;
info = auto_malloc(sizeof(*info));
memset(info, 0, sizeof(*info));
info->intf = config ? config : &dummy;
if( rate == 0 ) rate = 1000; /* kludge to prevent nasty crashes */
rate = clock/64;
/* stream setup */
info->stream = stream_create(0,2,rate,info,ym2151_update);
info->chip = YM2151Init(sndindex,clock,rate);
state_save_register_func_postload_ptr(ym2151_postload, info);
if (info->chip != 0)
{
YM2151SetIrqHandler(info->chip,info->intf->irqhandler);
YM2151SetPortWriteHandler(info->chip,info->intf->portwritehandler);
return info;
}
return NULL;
}
static void *ym2610_start(int sndindex, int clock, const void *config)
{
static const struct YM2610interface generic_2610 = { 0 };
const struct YM2610interface *intf = config ? config : &generic_2610;
int rate = Machine->sample_rate;
void *pcmbufa,*pcmbufb;
int pcmsizea,pcmsizeb;
struct ym2610_info *info;
sound_type = SOUND_YM2610;
info = auto_malloc(sizeof(*info));
memset(info, 0, sizeof(*info));
info->intf = intf;
info->psg = ay8910_start_ym(SOUND_YM2610, sndindex, clock, 1, NULL, NULL, NULL, NULL);
if (!info->psg) return NULL;
/* Timer Handler set */
info->timer[0] =timer_alloc_ptr(timer_callback_0, info);
info->timer[1] =timer_alloc_ptr(timer_callback_1, info);
/* stream system initialize */
info->stream = stream_create(0,2,rate,info,ym2610_stream_update);
/* setup adpcm buffers */
pcmbufa = (void *)(memory_region(info->intf->pcmroma));
pcmsizea = memory_region_length(info->intf->pcmroma);
pcmbufb = (void *)(memory_region(info->intf->pcmromb));
pcmsizeb = memory_region_length(info->intf->pcmromb);
/**** initialize YM2610 ****/
info->chip = YM2610Init(info,sndindex,clock,rate,
pcmbufa,pcmsizea,pcmbufb,pcmsizeb,
TimerHandler,IRQHandler,&psgintf);
state_save_register_func_postload_ptr(ym2610_postload, info);
if (info->chip)
return info;
/* error */
return NULL;
}
