From 21b41a5456f65203cdde8619703e3452de645e49 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Tue, 27 May 2003 23:18:03 +0000
Subject: cleanup

svn-id: r8037
---
 backends/midi/adlib.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/backends/midi/adlib.cpp b/backends/midi/adlib.cpp
index 743930f8f4..d7279b70ab 100644
--- a/backends/midi/adlib.cpp
+++ b/backends/midi/adlib.cpp
@@ -997,14 +997,16 @@ void MidiDriver_ADLIB::generate_samples(int16 *data, int len) {
 			step = _next_tick;
 		YM3812UpdateOne(0, data, step);
 
-		if (!(_next_tick -= step)) {
+		_next_tick -= step;
+		if (!_next_tick) {
 			if (_timer_proc)
 				(*_timer_proc) (_timer_param);
 			on_timer();
 			reset_tick();
 		}
 		data += step;
-	} while (len -= step);
+		len -= step;
+	} while (len);
 }
 
 void MidiDriver_ADLIB::reset_tick() {
-- 
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