C++ (Cpp) set_RC_filter Examples

Example #1

File: tp84.c Project: helicomatic/imame4all-libretro

static WRITE_HANDLER( tp84_filter_w )
{
	int C;

	/* 76489 #0 */
	C = 0;
	if (offset & 0x008) C +=  47000;	/*  47000pF = 0.047uF */
	if (offset & 0x010) C += 470000;	/* 470000pF = 0.47uF */
	set_RC_filter(0,1000,2200,1000,C);

	/* 76489 #1 (optional) */
	C = 0;
	if (offset & 0x020) C +=  47000;	/*  47000pF = 0.047uF */
	if (offset & 0x040) C += 470000;	/* 470000pF = 0.47uF */
//	set_RC_filter(1,1000,2200,1000,C);

	/* 76489 #2 */
	C = 0;
	if (offset & 0x080) C += 470000;	/* 470000pF = 0.47uF */
	set_RC_filter(1,1000,2200,1000,C);

	/* 76489 #3 */
	C = 0;
	if (offset & 0x100) C += 470000;	/* 470000pF = 0.47uF */
	set_RC_filter(2,1000,2200,1000,C);
}

Example #2

int stream_init_multi(int channels,const char **names,const int *default_mixing_levels,
		int sample_rate,
		int param,void (*callback)(int param,INT16 **buffer,int length))
{
	int channel,i;


	channel = mixer_allocate_channels(channels,default_mixing_levels);

	stream_joined_channels[channel] = channels;

	for (i = 0;i < channels;i++)
	{
		mixer_set_name(channel+i,names[i]);

		if ((stream_buffer[channel+i] = osd_malloc(sizeof(INT16)*BUFFER_LEN)) == 0)
			return -1;

		stream_sample_rate[channel+i] = sample_rate;
		stream_buffer_pos[channel+i] = 0;
		if (sample_rate)
			stream_sample_length[channel+i] = 1000000 / sample_rate;
		else
			stream_sample_length[channel+i] = 0;
	}

	stream_param[channel] = param;
	stream_callback_multi[channel] = callback;
	set_RC_filter(channel,0,0,0,0);

	return channel;
}

Example #3

int stream_init(const char *name,int default_mixing_level,
		int sample_rate,
		int param,void (*callback)(int param,INT16 *buffer,int length))
{
	int channel;


	channel = mixer_allocate_channel(default_mixing_level);

	stream_joined_channels[channel] = 1;

	mixer_set_name(channel,name);

	if ((stream_buffer[channel] = osd_malloc(sizeof(INT16)*BUFFER_LEN)) == 0)
		return -1;

	stream_sample_rate[channel] = sample_rate;
	stream_buffer_pos[channel] = 0;
	if (sample_rate)
		stream_sample_length[channel] = 1000000 / sample_rate;
	else
		stream_sample_length[channel] = 0;
	stream_param[channel] = param;
	stream_callback[channel] = callback;
	set_RC_filter(channel,0,0,0,0);

	return channel;
}

Example #4

File: timeplt.c Project: slaanesh-dev/xMame37B16-Pi

static void filter_w(int chip, int channel, int data)
{
	int C = 0;

	if (data & 1) C += 220000;	/* 220000pF = 0.220uF */
	if (data & 2) C +=  47000;	/*  47000pF = 0.047uF */
	set_RC_filter(3*chip + channel,1000,5100,0,C);
}

Example #5

File: ddrible.cpp Project: ArnaudFeld/MameAppleTV

static WRITE_HANDLER( ddrible_vlm5030_ctrl_w )
{
	unsigned char *SPEECH_ROM = memory_region(REGION_SOUND1);
	/* b7 : vlm data bus OE   */
	/* b6 : VLM5030-RST       */
	/* b5 : VLM5030-ST        */
	/* b4 : VLM5300-VCU       */
	/* b3 : ROM bank select   */
	VLM5030_RST( data & 0x40 ? 1 : 0 );
	VLM5030_ST(  data & 0x20 ? 1 : 0 );
	VLM5030_VCU( data & 0x10 ? 1 : 0 );
	VLM5030_set_rom(&SPEECH_ROM[data & 0x08 ? 0x10000 : 0]);
	/* b2 : SSG-C rc filter enable */
	/* b1 : SSG-B rc filter enable */
	/* b0 : SSG-A rc filter enable */
	set_RC_filter(2,1000,2200,1000,data & 0x04 ? 150000 : 0); /* YM2203-SSG-C */
	set_RC_filter(1,1000,2200,1000,data & 0x02 ? 150000 : 0); /* YM2203-SSG-B */
	set_RC_filter(0,1000,2200,1000,data & 0x01 ? 150000 : 0); /* YM2203-SSG-A */
}

Example #6

File: junofrst.cpp Project: ArnaudFeld/MameAppleTV

static WRITE_HANDLER( junofrst_portB_w )
{
	int i;


	for (i = 0;i < 3;i++)
	{
		int C;


		C = 0;
		if (data & 1) C += 47000;	/* 47000pF = 0.047uF */
		if (data & 2) C += 220000;	/* 220000pF = 0.22uF */
		data >>= 2;
		set_RC_filter(i,1000,2200,200,C);
	}
}

Example #7

File: gyruss.c Project: cdrr/MAME_hack

static void filter_w(int chip,int data)
{
	int i;


	for (i = 0;i < 3;i++)
	{
		int C;


		C = 0;
		if (data & 1) C += 47000;	/* 47000pF = 0.047uF */
		if (data & 2) C += 220000;	/* 220000pF = 0.22uF */
		data >>= 2;
		set_RC_filter(3*chip + i,1000,2200,200,C);
	}
}

Example #8

File: megazone.c Project: Ezio-PS/mame2003-libretro

static WRITE_HANDLER( megazone_portB_w )
{
	int i;


	for (i = 0;i < 3;i++)
	{
		int C;


		C = 0;
		if (data & 1) C +=  10000;	/*  10000pF = 0.01uF */
		if (data & 2) C += 220000;	/* 220000pF = 0.22uF */
		data >>= 2;
		set_RC_filter(i,1000,2200,200,C);
	}
}

Example #9

File: megazone.c Project: cdrr/MAME_hack

static void megazone_portB_w(int offset,int data)
{
	int i;


	for (i = 0;i < 3;i++)
	{
		int C;


		C = 0;
		if (data & 1) C +=  10000;	/*  10000pF = 0.01uF */
		if (data & 2) C += 220000;	/* 220000pF = 0.22uF */
		data >>= 2;
		set_RC_filter(i,1000,2200,200,C);
	}
}

Example #10

File: ironhors.c Project: Ezio-PS/mame2003-libretro

static WRITE_HANDLER( ironhors_filter_w )
{
	set_RC_filter(0,1000,2200,1000,data & 0x04 ? 220000 : 0); /* YM2203-SSG-A */
	set_RC_filter(1,1000,2200,1000,data & 0x02 ? 220000 : 0); /* YM2203-SSG-B */
	set_RC_filter(2,1000,2200,1000,data & 0x01 ? 220000 : 0); /* YM2203-SSG-C */
}