From 1287a56429d0cd85567daa130fc6518ee2030b70 Mon Sep 17 00:00:00 2001
From: Walter van Niftrik
Date: Thu, 26 Mar 2015 02:22:13 +0100
Subject: AUDIO: Fix ALSA AdLib OPL2 waveform mask

---
 audio/softsynth/opl/alsa.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'audio')

diff --git a/audio/softsynth/opl/alsa.cpp b/audio/softsynth/opl/alsa.cpp
index bb15719e92..79ff589bd2 100644
--- a/audio/softsynth/opl/alsa.cpp
+++ b/audio/softsynth/opl/alsa.cpp
@@ -295,7 +295,7 @@ void OPL::writeOplReg(int c, int r, int v) {
 			break;
 		case 0xe0:
 		case 0xf0:
-			_oper[idx].waveform = v & 0x7;
+			_oper[idx].waveform = v & (_type == Config::kOpl3 ? 0x7 : 0x3);
 			snd_hwdep_ioctl(_opl, SNDRV_DM_FM_IOCTL_SET_VOICE, (void *)&_oper[idx]);
 		}
 	} else {
-- 
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