int YM2612_sh_start(const struct MachineSound *msound)
{
	int i,j;
	int rate = Machine->sample_rate;
	char buf[YM2612_NUMBUF][40];
	const char *name[YM2612_NUMBUF];

	intf = msound->sound_interface;
	if( intf->num > MAX_2612 ) return 1;

	/* FM init */
	/* Timer Handler set */
	FMTimerInit();
	/* stream system initialize */
	for (i = 0;i < intf->num;i++)
	{
		int vol[YM2612_NUMBUF];
		/* stream setup */
		for (j = 0 ; j < YM2612_NUMBUF ; j++)
		{
			vol[j] = intf->mixing_level[i];
			name[j] = buf[j];
			sprintf(buf[j],"YM2612(%s) #%d",j < 2 ? "FM" : "ADPCM",i);
		}
		stream[i] = stream_init_multi(YM2612_NUMBUF,
			name,vol,rate,FM_OUTPUT_BIT,
			i,YM2612UpdateOne);
	}

	/**** initialize YM2612 ****/
	if (YM2612Init(intf->num,intf->baseclock,rate,TimerHandler,IRQHandler) == 0)
	  return 0;
	/* error */
	return 1;
}
Exemple #2
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int YM2203_sh_start(const struct MachineSound *msound)
{
	int i;

	if (AY8910_sh_start_ym(msound)) return 1;

	intf = msound->sound_interface;

	/* Timer Handler set */
	FMTimerInit();
	/* stream system initialize */
	for (i = 0;i < intf->num;i++)
	{
		int volume;
		char name[20];
		sprintf(name,"%s #%d FM",sound_name(msound),i);
		volume = intf->mixing_level[i]>>16; /* high 16 bit */
		stream[i] = stream_init(name,volume,Machine->sample_rate,i,YM2203UpdateOne/*YM2203UpdateCallback*/);
	}
	/* Initialize FM emurator */
	if (YM2203Init(intf->num,intf->baseclock,Machine->sample_rate,TimerHandler,IRQHandler) == 0)
	{
		/* Ready */
		return 0;
	}
	/* error */
	/* stream close */
	return 1;
}
Exemple #3
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int YM2610_sh_start(const struct MachineSound *msound)
{
	int i,j;
	int rate = Machine->sample_rate;
	char buf[YM2610_NUMBUF][40];
	const char *name[YM2610_NUMBUF];
	int mixed_vol,vol[YM2610_NUMBUF];
	void *pcmbufa[YM2610_NUMBUF],*pcmbufb[YM2610_NUMBUF];
	int  pcmsizea[YM2610_NUMBUF],pcmsizeb[YM2610_NUMBUF];

	intf = msound->sound_interface;
	if( intf->num > MAX_2610 ) return 1;

	if (AY8910_sh_start(msound)) return 1;

	/* Timer Handler set */
	FMTimerInit();

	/* stream system initialize */
	for (i = 0;i < intf->num;i++)
	{
		/* stream setup */
		mixed_vol = intf->volumeFM[i];
		/* stream setup */
		for (j = 0 ; j < YM2610_NUMBUF ; j++)
		{
			name[j]=buf[j];
			vol[j] = mixed_vol & 0xffff;
			mixed_vol>>=16;
			sprintf(buf[j],"%s #%d Ch%d",sound_name(msound),i,j+1);
		}
		stream[i] = stream_init_multi(YM2610_NUMBUF,name,vol,rate,i,YM2610UpdateOne);
		/* setup adpcm buffers */
		pcmbufa[i]  = (void *)(memory_region(intf->pcmroma[i]));
		pcmsizea[i] = memory_region_length(intf->pcmroma[i]);
		pcmbufb[i]  = (void *)(memory_region(intf->pcmromb[i]));
		pcmsizeb[i] = memory_region_length(intf->pcmromb[i]);
	}

	/**** initialize YM2610 ****/
	if (YM2610Init(intf->num,intf->baseclock,rate,
		           pcmbufa,pcmsizea,pcmbufb,pcmsizeb,
		           TimerHandler,IRQHandler) == 0)
		return 0;

	/* error */
	return 1;
}
Exemple #4
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int YM2608_sh_start(const struct MachineSound *msound)
{
	int i,j;
	int rate = Machine->sample_rate;
	char buf[YM2608_NUMBUF][40];
	const char *name[YM2608_NUMBUF];
	int mixed_vol,vol[YM2608_NUMBUF];
	void *pcmbufa[YM2608_NUMBUF];
	int  pcmsizea[YM2608_NUMBUF];
	int rhythm_pos[6+1];
	struct GameSamples	*psSamples;
	int total_size,r_offset,s_size;

	intf = (const struct YM2608interface *)msound->sound_interface;
	if( intf->num > MAX_2608 ) return 1;

	if (AY8910_sh_start(msound)) return 1;

	/* Timer Handler set */
	FMTimerInit();

	/* stream system initialize */
	for (i = 0;i < intf->num;i++)
	{
		/* stream setup */
		mixed_vol = intf->volumeFM[i];
		/* stream setup */
		for (j = 0 ; j < YM2608_NUMBUF ; j++)
		{
			name[j]=buf[j];
			vol[j] = mixed_vol & 0xffff;
			mixed_vol>>=16;
			sprintf(buf[j],"%s #%d Ch%d",sound_name(msound),i,j+1);
		}
		stream[i] = stream_init_multi(YM2608_NUMBUF,name,vol,rate,i,YM2608UpdateOne);
		/* setup adpcm buffers */
		pcmbufa[i]  = (void *)(memory_region(intf->pcmrom[i]));
		pcmsizea[i] = memory_region_length(intf->pcmrom[i]);
	}

	/* rythm rom build */
	rhythm_buf = 0;
#ifdef YM2608_USE_SAMPLES
	psSamples = readsamples(ym2608_pDrumNames,"ym2608");
#else
	psSamples = 0;
#endif
	if( psSamples )
	{
		/* calcrate total data size */
		total_size = 0;
		for( i=0;i<6;i++)
		{
			s_size = psSamples->sample[i]->length;
			total_size += s_size ? s_size : 1;
		}
		/* aloocate rythm data */
		rhythm_buf = (short int*)malloc(total_size * sizeof(signed short));
		if( rhythm_buf==0 ) return 0;

		r_offset = 0;
		/* merge sampling data */
		for(i=0;i<6;i++)
		{
			/* set start point */
			rhythm_pos[i] = r_offset*2;
			/* copy sample data */
			s_size = psSamples->sample[i]->length;
			if(s_size && psSamples->sample[i]->data)
			{
				if( psSamples->sample[i]->resolution==16 )
				{
					signed short *s_ptr = (signed short *)psSamples->sample[i]->data;
					for(j=0;j<s_size;j++) rhythm_buf[r_offset++] = *s_ptr++;
				}else{
					signed char *s_ptr = (signed char *)psSamples->sample[i]->data;
					for(j=0;j<s_size;j++) rhythm_buf[r_offset++] = (*s_ptr++)*0x0101;
				}
			}else rhythm_buf[r_offset++] = 0;
			/* set end point */
			rhythm_pos[i+1] = r_offset*2;
		}
		freesamples( psSamples );
	}else
	{
		/* aloocate rythm data */
		rhythm_buf = (short int*)malloc(6 * sizeof(signed short));
		if( rhythm_buf==0 ) return 0;
		for(i=0;i<6;i++)
		{
			/* set start point */
			rhythm_pos[i] = i*2;
			rhythm_buf[i] = 0;
			/* set end point */
			rhythm_pos[i+1] = (i+1)*2;
		}
	}

	/**** initialize YM2608 ****/
	if (YM2608Init(intf->num,intf->baseclock,rate,
		           pcmbufa,pcmsizea,rhythm_buf,rhythm_pos,
		           TimerHandler,IRQHandler) == 0)
		return 0;

	/* error */
	return 1;
}