C++ (Cpp) AY8910_control_port_1_w Examples

Example #1

File: mystston.cpp Project: cyberkni/276in1JAMMA

void mystston_8910_control_w(int offset,int data)
{
	static int last;


	/* bit 5 goes to 8910 #0 BDIR pin  */
	if ((last & 0x20) == 0x20 && (data & 0x20) == 0x00)
	{
		/* bit 4 goes to the 8910 #0 BC1 pin */
		if (last & 0x10)
			AY8910_control_port_0_w(0,psg_latch);
		else
			AY8910_write_port_0_w(0,psg_latch);
	}
	/* bit 7 goes to 8910 #1 BDIR pin  */
	if ((last & 0x80) == 0x80 && (data & 0x80) == 0x00)
	{
		/* bit 6 goes to the 8910 #1 BC1 pin */
		if (last & 0x40)
			AY8910_control_port_1_w(0,psg_latch);
		else
			AY8910_write_port_1_w(0,psg_latch);
	}

	last = data;
}

Example #2

File: bogeyman.c Project: shangma/mame0112

static WRITE8_HANDLER( bogeyman_8910_control_w )
{
	static int last;

	// bit 0 is flipscreen
	flip_screen_set(data & 0x01);

	// bit 5 goes to 8910 #0 BDIR pin
	if ((last & 0x20) == 0x20 && (data & 0x20) == 0x00)
	{
		// bit 4 goes to the 8910 #0 BC1 pin
		if (last & 0x10)
			AY8910_control_port_0_w(0,psg_latch);
		else
			AY8910_write_port_0_w(0,psg_latch);
	}

	// bit 7 goes to 8910 #1 BDIR pin
	if ((last & 0x80) == 0x80 && (data & 0x80) == 0x00)
	{
		// bit 6 goes to the 8910 #1 BC1 pin
		if (last & 0x40)
			AY8910_control_port_1_w(0,psg_latch);
		else
			AY8910_write_port_1_w(0,psg_latch);
	}

	last = data;
}

Example #3

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

static WRITE_HANDLER( dogfgt_soundcontrol_w )
{
	static int last;


	/* bit 5 goes to 8910 #0 BDIR pin  */
	if ((last & 0x20) == 0x20 && (data & 0x20) == 0x00)
	{
		/* bit 4 goes to the 8910 #0 BC1 pin */
		if (last & 0x10)
			AY8910_control_port_0_w(0,soundlatch);
		else
			AY8910_write_port_0_w(0,soundlatch);
	}
	/* bit 7 goes to 8910 #1 BDIR pin  */
	if ((last & 0x80) == 0x80 && (data & 0x80) == 0x00)
	{
		/* bit 6 goes to the 8910 #1 BC1 pin */
		if (last & 0x40)
			AY8910_control_port_1_w(0,soundlatch);
		else
			AY8910_write_port_1_w(0,soundlatch);
	}

	last = data;
}

Example #4

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

static WRITE_HANDLER( irem_port2_w )
{
	/* write latch */
	if ((port2 & 0x01) && !(data & 0x01))
	{
		/* control or data port? */
		if (port2 & 0x04)
		{
			/* PSG 0 or 1? */
			if (port2 & 0x08)
				AY8910_control_port_0_w(0,port1);
			if (port2 & 0x10)
				AY8910_control_port_1_w(0,port1);
		}
		else
		{
			/* PSG 0 or 1? */
			if (port2 & 0x08)
				AY8910_write_port_0_w(0,port1);
			if (port2 & 0x10)
				AY8910_write_port_1_w(0,port1);
		}
	}
	port2 = data;
}

Example #5

File: mirax.c Project: broftkd/historic-mame

static WRITE8_HANDLER(ay2_sel)
{

	if(activecpu_get_previouspc()==0x309)
	{
		AY8910_control_port_1_w(0,nAyCtrl);
		AY8910_write_port_1_w(0,nAyData);
	}
}

Example #6

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

static WRITE_HANDLER( snddata_w )
{
	if ((p2 & 0xf0) == 0xe0)
		AY8910_control_port_0_w(0,offset);
	else if ((p2 & 0xf0) == 0xa0)
		AY8910_write_port_0_w(0,offset);
	else if ((p1 & 0xe0) == 0x60)
		AY8910_control_port_1_w(0,offset);
	else if ((p1 & 0xe0) == 0x40)
		AY8910_write_port_1_w(0,offset);
	else // if ((p2 & 0xf0) != 0x70)
		/* the port address is the data, while the data seems to be control bits */
		logerror("%04x: snddata_w ctrl = %02x, p1 = %02x, p2 = %02x, data = %02x\n",activecpu_get_pc(),data,p1,p2,offset);
}

Example #7

File: wilytowr.c Project: CrouchingLlama/openlase-mame

static WRITE8_HANDLER( snddata_w )
{
	int num_ays = (sndti_to_sndnum(SOUND_AY8910, 1) != -1) ? 2 : 1;
	if ((p2 & 0xf0) == 0xe0)
		AY8910_control_port_0_w(0,offset);
	else if ((p2 & 0xf0) == 0xa0)
		AY8910_write_port_0_w(0,offset);
	else if (num_ays == 2 && (p1 & 0xe0) == 0x60)
		AY8910_control_port_1_w(0,offset);
	else if (num_ays == 2 && (p1 & 0xe0) == 0x40)
		AY8910_write_port_1_w(0,offset);
	else /* if ((p2 & 0xf0) != 0x70) */
		/* the port address is the data, while the data seems to be control bits */
		logerror("%04x: snddata_w ctrl = %02x, p1 = %02x, p2 = %02x, data = %02x\n",activecpu_get_pc(),data,p1,p2,offset);
}

Example #8

File: gottlieb.cpp Project: cyberkni/276in1JAMMA

void stooges_sound_control_w(int offset,int data)
{
	static int last;

	common_sound_control_w(offset, data);

	/* bit 2 goes to 8913 BDIR pin  */
	if ((last & 0x04) == 0x04 && (data & 0x04) == 0x00)
	{
		/* bit 3 selects which of the two 8913 to enable */
		if (data & 0x08)
		{
			/* bit 4 goes to the 8913 BC1 pin */
			if (data & 0x10)
				AY8910_control_port_0_w(0,psg_latch);
			else
				AY8910_write_port_0_w(0,psg_latch);
		}
		else
		{
			/* bit 4 goes to the 8913 BC1 pin */
			if (data & 0x10)
				AY8910_control_port_1_w(0,psg_latch);
			else
				AY8910_write_port_1_w(0,psg_latch);
		}
	}

	/* bit 5 goes to the speech chip DIRECT DATA TEST pin */

	/* bit 6 = speech chip DATA PRESENT pin; high then low to make the chip read data */
	if ((last & 0x40) == 0x40 && (data & 0x40) == 0x00)
	{
	}

	/* bit 7 goes to the speech chip RESET pin */

	last = data & 0x44;
}

Example #9

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

static WRITE_HANDLER( gsword_AY8910_control_port_1_w )
{
	AY8910_control_port_1_w(offset,data);
	fake8910_1 = data;
}

Example #10

File: gsword.c Project: cdrr/MAME_hack

static void gsword_AY8910_control_port_1_w(int offset,int data)
{
	AY8910_control_port_1_w(offset,data);
	fake8910_1 = data;
}

Example #11

File: mermaid.c Project: broftkd/historic-mess

static WRITE8_HANDLER( mermaid_AY8910_control_port_w )
{
	if (mermaid_AY8910_enable[0]) AY8910_control_port_0_w(offset, data);
	if (mermaid_AY8910_enable[1]) AY8910_control_port_1_w(offset, data);
}

Example #12

File: mrflea.c Project: Sunoo/nonamemame

static WRITE8_HANDLER( mrflea_data2_w ){
	AY8910_control_port_1_w( offset, mrflea_select2 );
	AY8910_write_port_1_w( offset, data );
}