Added support to upd7759.cpp for volume and left/right selection for each route. Updated necessary drivers to support.

src/burn/drv/konami/d_88games.cpp

@@ -482,6 +482,8 @@ static INT32 DrvInit()
 
 	UPD7759Init(0, UPD7759_STANDARD_CLOCK, DrvSndROM0);
 	UPD7759Init(1, UPD7759_STANDARD_CLOCK, DrvSndROM1);
+	UPD7759SetRoute(0, 0.30, BURN_SND_ROUTE_BOTH);
+	UPD7759SetRoute(1, 0.30, BURN_SND_ROUTE_BOTH);
 
 	K052109Init(DrvGfxROM0, 0x7ffff);
 	K052109SetCallback(K052109Callback);

src/burn/drv/konami/d_mainevt.cpp

@@ -762,6 +762,7 @@ static INT32 DrvInit(INT32 type)
 	BurnYM2151SetAllRoutes(0.30, BURN_SND_ROUTE_BOTH);
 
 	UPD7759Init(0, UPD7759_STANDARD_CLOCK, DrvSndROM1);
+	UPD7759SetRoute(0, 0.50, BURN_SND_ROUTE_BOTH);
 
 	GenericTilesInit();
 

src/burn/drv/konami/d_tmnt.cpp

@@ -4408,6 +4408,7 @@ static INT32 TmntInit()
 	K007232SetPortWriteHandler(0, DrvK007232VolCallback);
 	
 	UPD7759Init(0, UPD7759_STANDARD_CLOCK, DrvUPD7759CRom);
+	UPD7759SetRoute(0, 0.60, BURN_SND_ROUTE_BOTH);
 	
 	GenericTilesInit();
 	

src/burn/drv/konami/d_twin16.cpp

@@ -1026,6 +1026,7 @@ static INT32 DrvInit(INT32 (pLoadCallback)())
 	BurnYM2151SetRoute(BURN_SND_YM2151_YM2151_ROUTE_2, 1.00, BURN_SND_ROUTE_RIGHT);
 
 	UPD7759Init(0, UPD7759_STANDARD_CLOCK, DrvSndROM1);
+	UPD7759SetRoute(0, 0.20, BURN_SND_ROUTE_BOTH);
 
 	GenericTilesInit();
 

src/burn/drv/pre90s/d_prehisle.cpp

@@ -550,6 +550,7 @@ INT32 PrehisleInit()
 	BurnYM3812SetRoute(BURN_SND_YM3812_ROUTE, 1.00, BURN_SND_ROUTE_BOTH);
 	
 	UPD7759Init(0, UPD7759_STANDARD_CLOCK, PrehisleADPCMSamples);
+	UPD7759SetRoute(0, 0.90, BURN_SND_ROUTE_BOTH);
 	
 	GenericTilesInit();
 

src/burn/drv/pre90s/d_rpunch.cpp

@@ -577,6 +577,7 @@ static INT32 DrvInit(INT32 (*pRomLoadCallback)(), INT32 game)
 	BurnYM2151SetAllRoutes(0.50, BURN_SND_ROUTE_BOTH);
 
 	UPD7759Init(0, UPD7759_STANDARD_CLOCK, DrvSndROM);
+	UPD7759SetRoute(0, 0.50, BURN_SND_ROUTE_BOTH);
 
 	DrvDoReset();
 

src/burn/drv/pre90s/d_snk68.cpp

@@ -958,6 +958,7 @@ static INT32 DrvInit(INT32 game)
 	BurnYM3812SetRoute(BURN_SND_YM3812_ROUTE, 1.00, BURN_SND_ROUTE_BOTH);
 	
 	UPD7759Init(0, UPD7759_STANDARD_CLOCK, DrvSnd0);
+	UPD7759SetRoute(0, 0.50, BURN_SND_ROUTE_BOTH);
 
 	DrvDoReset();
 

src/burn/drv/sega/sys16_run.cpp

@@ -1925,6 +1925,7 @@ INT32 System16Init()
 		if (System16UPD7759DataSize) {
 			UPD7759Init(0,UPD7759_STANDARD_CLOCK, NULL);
 			UPD7759SetDrqCallback(0,System16UPD7759DrqCallback);
+			UPD7759SetRoute(0, 0.48, BURN_SND_ROUTE_BOTH);
 		}
 		
 		System16TileBankSize = 0x1000;

src/burn/snd/upd7759.cpp

@@ -63,6 +63,10 @@ struct upd7759_chip
 	UINT8 *		rom;						/* pointer to ROM data or NULL for slave mode */
 	UINT8 *		rombase;					/* pointer to ROM data or NULL for slave mode */
 	UINT32		romoffset;					/* ROM offset to make save/restore easier */
+	
+	/* route */
+	double		volume;
+	INT32		output_dir;
 };
 
 static struct upd7759_chip *Chips[2]; // more?
@@ -328,8 +332,21 @@ void UPD7759Update(INT32 chip, INT16 *pSoundBuf, INT32 nLength)
 		while (nLength != 0)
 		{
 			/* store the current sample */
-			pSoundBuf[0] += Sample << 7;
-			pSoundBuf[1] += Sample << 7;
+			INT32 nLeftSample = 0;
+			INT32 nRightSample = 0;
+			
+			if ((Chip->output_dir & BURN_SND_ROUTE_LEFT) == BURN_SND_ROUTE_LEFT) {
+				nLeftSample += (INT32)((Sample << 7) * Chip->volume);
+			}
+			if ((Chip->output_dir & BURN_SND_ROUTE_RIGHT) == BURN_SND_ROUTE_RIGHT) {
+				nRightSample += (INT32)((Sample << 7) * Chip->volume);
+			}
+			
+			nLeftSample = BURN_SND_CLIP(nLeftSample);
+			nRightSample = BURN_SND_CLIP(nRightSample);
+			
+			pSoundBuf[0] += nLeftSample;
+			pSoundBuf[1] += nRightSample;
 			pSoundBuf += 2;
 			nLength--;
 
@@ -425,12 +442,26 @@ void UPD7759Init(INT32 chip, INT32 clock, UINT8* pSoundData)
 	
 	Chip->reset = 1;
 	Chip->start = 1;
+	Chip->volume = 1.00;
+	Chip->output_dir = BURN_SND_ROUTE_BOTH;
 	
 	nNumChips = chip;
 	
 	UPD7759Reset();
 }
 
+void UPD7759SetRoute(INT32 chip, double nVolume, INT32 nRouteDir)
+{
+#if defined FBA_DEBUG
+	if (!DebugSnd_UPD7759Initted) bprintf(PRINT_ERROR, _T("UPD7759SetRoute called without init\n"));
+	if (chip > nNumChips) bprintf(PRINT_ERROR, _T("UPD7759SetRoute called with invalid chip %i\n"), chip);
+#endif
+
+	Chip = Chips[chip];
+	Chip->volume = nVolume;
+	Chip->output_dir = nRouteDir;
+}
+
 void UPD7759SetDrqCallback(INT32 chip, drqcallback Callback)
 {
 #if defined FBA_DEBUG

src/burn/snd/upd7759.h

@@ -2,13 +2,14 @@
 
 typedef void (*drqcallback)(INT32 param);
 
-extern void UPD7759Update(INT32 chip, INT16 *pSoundBuf, INT32 nLength);
-extern void UPD7759Reset();
-extern void UPD7759Init(INT32 chip, INT32 clock, UINT8* pSoundData);
-extern void UPD7759SetDrqCallback(INT32 chip, drqcallback Callback);
-extern INT32 UPD7759BusyRead(INT32 chip);
-extern void UPD7759ResetWrite(INT32 chip, UINT8 Data);
-extern void UPD7759StartWrite(INT32 chip, UINT8 Data);
-extern void UPD7759PortWrite(INT32 chip, UINT8 Data);
-extern INT32 UPD7759Scan(INT32 chip, INT32 nAction,INT32 *pnMin);
-extern void UPD7759Exit();
+void UPD7759Update(INT32 chip, INT16 *pSoundBuf, INT32 nLength);
+void UPD7759Reset();
+void UPD7759Init(INT32 chip, INT32 clock, UINT8* pSoundData);
+void UPD7759SetRoute(INT32 chip, double nVolume, INT32 nRouteDir);
+void UPD7759SetDrqCallback(INT32 chip, drqcallback Callback);
+INT32 UPD7759BusyRead(INT32 chip);
+void UPD7759ResetWrite(INT32 chip, UINT8 Data);
+void UPD7759StartWrite(INT32 chip, UINT8 Data);
+void UPD7759PortWrite(INT32 chip, UINT8 Data);
+INT32 UPD7759Scan(INT32 chip, INT32 nAction,INT32 *pnMin);
+void UPD7759Exit();