From bf52804eae803b2400a151b4ac27c64794560e4f Mon Sep 17 00:00:00 2001
From: Barry Harris <44396066+barry65536@users.noreply.github.com>
Date: Fri, 16 Mar 2012 15:54:22 +0000
Subject: [PATCH] Changed d_route16.cpp to use DACSync

---
 src/burn/drv/pre90s/d_route16.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/burn/drv/pre90s/d_route16.cpp b/src/burn/drv/pre90s/d_route16.cpp
index be1ca5de3..c77d947e2 100644
--- a/src/burn/drv/pre90s/d_route16.cpp
+++ b/src/burn/drv/pre90s/d_route16.cpp
@@ -410,6 +410,11 @@ void stratvox_sn76477_write(UINT32, UINT32)
 
 }
 
+static INT32 DrvSyncDAC()
+{
+	return (INT32)(float)(nBurnSoundLen * (ZetTotalCyclesPrecise() / (2500000.000 / (nBurnFPS / 100.000))));
+}
+
 static INT32 DrvInit()
 {
 	Mem = (UINT8*)BurnMalloc(0x10000 + 0x10000 + 0x200);
@@ -459,7 +464,7 @@ static INT32 DrvInit()
 
 	AY8910Init(0, 1250000, nBurnSoundRate, NULL, NULL, &stratvox_sn76477_write, NULL);
 	
-	DACInit(0, 0, 1);
+	DACInit(0, 0, 1, DrvSyncDAC);
 	DACSetVolShift(0, 2);
 
 	DrvDoReset();
@@ -628,7 +633,7 @@ static INT32 DrvFrame()
 				pSoundBuf[(n << 1) + 0] = nSample;
 				pSoundBuf[(n << 1) + 1] = nSample;
 			}
-
+			
 			DACUpdate(pSoundBuf, nSegmentLength);
 
 			nSoundBufferPos += nSegmentLength;
@@ -654,9 +659,9 @@ static INT32 DrvFrame()
 				pSoundBuf[(n << 1) + 0] = nSample;
 				pSoundBuf[(n << 1) + 1] = nSample;
 			}
+			
+			DACUpdate(pSoundBuf, nSegmentLength);
 		}
-
-		DACUpdate(pSoundBuf, nSegmentLength);
 	}
 
 	if (pBurnDraw) {