From fe96ae292d2b0e67020d77493ae366360cd93ec8 Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Mon, 31 Aug 2009 18:33:36 +0000
Subject: Dont program an instrument if it is already set.

Subversion-branch: /branches/opl-branch
Subversion-revision: 1652
---
 src/i_oplmusic.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src')

diff --git a/src/i_oplmusic.c b/src/i_oplmusic.c
index 51a609d9..ab64505c 100644
--- a/src/i_oplmusic.c
+++ b/src/i_oplmusic.c
@@ -445,6 +445,13 @@ static void SetVoiceInstrument(opl_voice_t *voice, genmidi_instr_t *instr)
     genmidi_voice_t *data;
     unsigned int modulating;
 
+    // Instrument already set for this channel?
+
+    if (voice->current_instr == instr)
+    {
+        return;
+    }
+
     voice->current_instr = instr;
     data = &instr->opl2_voice;
 
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