/***************************************************************************  2610intf.c  The YM2610 emulator supports up to 2 chips.  Each chip has the following connections:  - Status Read / Control Write A  - Port Read / Data Write A  - Control Write B  - Data Write B***************************************************************************/#include "driver.h"#include "sasound.h"#include "fm.h"#if BUILD_YM2610#define sound_name(x) "YM2610"/* use FM.C with stream system */static int stream[MAX_2610];/* Global Interface holder */static const struct YM2610interface *intf;static void *Timer[MAX_2610][2];/*------------------------- TM2610 -------------------------------*//* IRQ Handler */static void IRQHandler(int n,int irq){	if(intf->handler[n]) intf->handler[n](irq);}#ifndef __RAINE__/* Timer overflow callback from timer.c */static void timer_callback_2610(int param){	int n=param&0x7f;	int c=param>>7;/*	logerror("2610 TimerOver %d\n",c); */	Timer[n][c] = 0;	YM2610TimerOver(n,c);}/* TimerHandler from fm.c */static void TimerHandler(int n,int c,int count,double stepTime){	if( count == 0 )	{	/* Reset FM Timer */		if( Timer[n][c] )		{/*			logerror("2610 TimerReset %d\n",c); */	 		timer_remove (Timer[n][c]);			Timer[n][c] = 0;		}	}	else	{	/* Start FM Timer */		double timeSec = (double)count * stepTime;		if( Timer[n][c] == 0 )		{			Timer[n][c] = timer_set (timeSec , (c<<7)|n, timer_callback_2610 );		}	}}#endifstatic void FMTimerInit( void ){	int i;	for( i = 0 ; i < MAX_2610 ; i++ )		Timer[i][0] = Timer[i][1] = 0;}/* update request from fm.c */void YM2610UpdateRequest(int chip){	stream_update(stream[chip],100);}int YM2610_sh_start(const struct YM2610interface *msound){	int i,j;	int rate = audio_sample_rate;	char buf[YM2610_NUMBUF][40];	const char *name[YM2610_NUMBUF];	int mixed_vol,vol[YM2610_NUMBUF],pan[YM2610_NUMBUF];	void *pcmbufa[YM2610_NUMBUF],*pcmbufb[YM2610_NUMBUF];	//int  pcmsizea[YM2610_NUMBUF],pcmsizeb[YM2610_NUMBUF];	intf = msound; 	if( intf->num > MAX_2610 ) return 1;	if (AY8910_sh_start(((struct AY8910interface *)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 & 0xff;			pan[j] = (mixed_vol>>8) & 0xff;			mixed_vol>>=16;			sprintf(buf[j],"%s #%d Ch%d",sound_name(msound),i,j+1);		}		stream[i] = stream_init_multi(YM2610_NUMBUF,name,rate,16,i,YM2610UpdateOne);		/* volume setup */		for (j = 0 ; j < YM2610_NUMBUF ; j++)		{		  stream_set_volume(stream[i]+j,vol[j]);		  stream_set_pan(stream[i]+j,pan[j]);		}	}	/**** initialize YM2610 ****/	if (YM2610Init(intf->num,intf->baseclock,rate,		           pcmbufa,pcmbufb,		           0,IRQHandler) == 0)		return 0;	/* error */	return 1;}#if BUILD_YM2610Bint YM2610B_sh_start(const struct YM2610interface *msound){	int i,j;	int rate = audio_sample_rate;	char buf[YM2610_NUMBUF][40];	const char *name[YM2610_NUMBUF];	int mixed_vol,vol[YM2610_NUMBUF],pan[YM2610_NUMBUF];	void *pcmbufa[YM2610_NUMBUF],*pcmbufb[YM2610_NUMBUF];	//int  pcmsizea[YM2610_NUMBUF],pcmsizeb[YM2610_NUMBUF];	intf = msound; 	if( intf->num > MAX_2610 ) return 1;	if (AY8910_sh_start((const struct AY8910interface *)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 & 0xff;			pan[j] = (mixed_vol>>8) & 0xff;			mixed_vol>>=16;			sprintf(buf[j],"%s #%d Ch%d",sound_name(msound),i,j+1);		}		stream[i] = stream_init_multi(YM2610_NUMBUF,name,rate,16,i,YM2610BUpdateOne);		/* volume setup */		for (j = 0 ; j < YM2610_NUMBUF ; j++)		{			stream_set_volume(stream[i]+j,vol[j]);			stream_set_pan(stream[i]+j,pan[j]);		}	}	/**** initialize YM2610 ****/	if (YM2610Init(intf->num,intf->baseclock,rate,		           pcmbufa,pcmbufb,		           0,IRQHandler) == 0)		return 0;	/* error */	return 1;}#endif/************************************************//* Sound Hardware Stop							*//************************************************/void YM2610_sh_stop(void){	YM2610Shutdown();}/* reset */void YM2610_sh_reset(void){	int i;	for (i = 0;i < intf->num;i++)		YM2610ResetChip(i);}/************************************************//* Status Read for YM2610 - Chip 0				*//************************************************/READ_HANDLER( YM2610_status_port_0_A_r ){/*logerror("PC %04x: 2610 S0A=%02X\n",cpu_get_pc(),YM2610Read(0,0)); */#ifdef TEST_OPN   static int ta;   ta^=255;   return ta;#else   static int ta;   if(RaineSoundCard>0){      return YM2610Read(0,0);   }   else{      ta^=255;      return ta;   }#endif}READ_HANDLER( YM2610_status_port_0_B_r ){/*logerror("PC %04x: 2610 S0B=%02X\n",cpu_get_pc(),YM2610Read(0,2)); */#ifdef TEST_OPN   static int ta;   ta^=255;   return ta;#else   static int ta;   if(RaineSoundCard>0){      return YM2610Read(0,2);   }   else{      ta^=255;      return ta;   }#endif}/************************************************//* Status Read for YM2610 - Chip 1				*//************************************************/READ_HANDLER( YM2610_status_port_1_A_r ) {#ifdef TEST_OPN   static int ta;   ta^=255;   return ta;#else   static int ta;   if(RaineSoundCard>0){      return YM2610Read(1,0);   }   else{      ta^=255;      return ta;   }#endif}READ_HANDLER( YM2610_status_port_1_B_r ) {#ifdef TEST_OPN   static int ta;   ta^=255;   return ta;#else   static int ta;   if(RaineSoundCard>0){      return YM2610Read(1,2);   }   else{      ta^=255;      return ta;   }#endif}/************************************************//* Port Read for YM2610 - Chip 0				*//************************************************/READ_HANDLER( YM2610_read_port_0_r ){#ifdef TEST_OPN   static int ta;   ta^=255;   return ta;#else   static int ta;   if(RaineSoundCard>0){      return YM2610Read(0,1);   }   else{      ta^=255;      return ta;   }#endif}/************************************************//* Port Read for YM2610 - Chip 1				*//************************************************/READ_HANDLER( YM2610_read_port_1_r ){	return YM2610Read(1,1);}/************************************************//* Control Write for YM2610 - Chip 0			*//* Consists of 2 addresses						*//************************************************/WRITE_HANDLER( YM2610_control_port_0_A_w ){/*logerror("PC %04x: 2610 Reg A %02X",cpu_get_pc(),data); */#ifdef TEST_OPN   YM2610_WriteReg(0,data);#else   if(RaineSoundCard>0) YM2610Write(0,0,data);#endif}WRITE_HANDLER( YM2610_control_port_0_B_w ){/*logerror("PC %04x: 2610 Reg B %02X",cpu_get_pc(),data); */#ifdef TEST_OPN   YM2610_WriteReg(2,data);#else   if(RaineSoundCard>0) YM2610Write(0,2,data);#endif}/************************************************//* Control Write for YM2610 - Chip 1			*//* Consists of 2 addresses						*//************************************************/WRITE_HANDLER( YM2610_control_port_1_A_w ){#ifdef TEST_OPN   YM2610_WriteReg(0,data);#else   if(RaineSoundCard>0) YM2610Write(1,0,data);#endif}WRITE_HANDLER( YM2610_control_port_1_B_w ){#ifdef TEST_OPN   YM2610_WriteReg(0,data);#else   if(RaineSoundCard>0) YM2610Write(1,2,data);#endif}/************************************************//* Data Write for YM2610 - Chip 0				*//* Consists of 2 addresses						*//************************************************/WRITE_HANDLER( YM2610_data_port_0_A_w ){/*logerror(" =%02X\n",data); */#ifdef TEST_OPN   YM2610_WriteReg(1,data);#else   if(RaineSoundCard>0) YM2610Write(0,1,data);#endif}WRITE_HANDLER( YM2610_data_port_0_B_w ){/*logerror(" =%02X\n",data); */#ifdef TEST_OPN   YM2610_WriteReg(3,data);#else   if(RaineSoundCard>0)	YM2610Write(0,3,data);#endif}/************************************************//* Data Write for YM2610 - Chip 1				*//* Consists of 2 addresses						*//************************************************/WRITE_HANDLER( YM2610_data_port_1_A_w ){#ifdef TEST_OPN   YM2610_WriteReg(1,data);#else   if(RaineSoundCard>0) YM2610Write(1,1,data);#endif}WRITE_HANDLER( YM2610_data_port_1_B_w ){#ifdef TEST_OPN   YM2610_WriteReg(1,data);#else   if(RaineSoundCard>0) YM2610Write(1,3,data);#endif}/**************************************************//*   YM2610 left/right position change (TAITO)    *//**************************************************/int YM2610_get_stream_num( int num ){  return stream[num];}/**************** end of file ****************/#endif