From d11fe11a3caf9d2c46746709fc88e2011d76e173 Mon Sep 17 00:00:00 2001
From: Barry Harris <44396066+barry65536@users.noreply.github.com>
Date: Sun, 18 Jan 2015 14:57:37 +0000
Subject: [PATCH] Fix MSM5205 sound in tbowl

---
 src/burn/drv/pre90s/d_tbowl.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/burn/drv/pre90s/d_tbowl.cpp b/src/burn/drv/pre90s/d_tbowl.cpp
index 2ae78d200..5b4a28a99 100644
--- a/src/burn/drv/pre90s/d_tbowl.cpp
+++ b/src/burn/drv/pre90s/d_tbowl.cpp
@@ -296,7 +296,8 @@ static void __fastcall tbowl_sound_write(UINT16 address, UINT8 data)
 
 		case 0xe004:
 		case 0xe005:
-			MSM5205SetRoute(address & 1, (data & 0x7f) * 100 / 0x7f, BURN_SND_ROUTE_BOTH);
+			data &= 0x7f;
+			MSM5205SetRoute(address & 1, (double)data / 0x7f, BURN_SND_ROUTE_BOTH);
 		return;
 	}
 }
@@ -720,7 +721,7 @@ static INT32 DrvFrame()
 		ZetClose();
 
 		ZetOpen(2);
-		BurnTimerUpdateYM3812(i * (nTotalCycles[1] / nInterleave));
+		BurnTimerUpdateYM3812((i + 1) * (nTotalCycles[2] / nInterleave));
 		MSM5205Update();
 		ZetClose();
 	}