[Scummvm-cvs-logs] SF.net SVN: scummvm:[40342] scummvm/trunk/sound/softsynth/opl/dosbox.cpp

[lordhoto at users.sourceforge.net]

Revision: 40342
          http://scummvm.svn.sourceforge.net/scummvm/?rev=40342&view=rev
Author:   lordhoto
Date:     2009-05-06 00:40:37 +0000 (Wed, 06 May 2009)

Log Message:
-----------
Fix feedback/algorithm register write bugs in Dual OPL2 mode.

Modified Paths:
--------------
    scummvm/trunk/sound/softsynth/opl/dosbox.cpp

Modified: scummvm/trunk/sound/softsynth/opl/dosbox.cpp
===================================================================
--- scummvm/trunk/sound/softsynth/opl/dosbox.cpp	2009-05-05 23:40:54 UTC (rev 40341)
+++ scummvm/trunk/sound/softsynth/opl/dosbox.cpp	2009-05-06 00:40:37 UTC (rev 40342)
@@ -329,7 +329,7 @@
 		return;
 
 	// Only allow 4 waveforms
-	if (reg >= 0xE0)
+	if (reg >= 0xE0 && reg <= 0xE8)
 		val &= 3;
 
 	// Write to the timer?
@@ -337,8 +337,8 @@
 		return;
 
 	// Enabling panning
-	if (reg >= 0xC0 && reg < 0xC8) {
-		val &= 7;
+	if (reg >= 0xC0 && reg <= 0xC8) {
+		val &= 15;
 		val |= index ? 0xA0 : 0x50;
 	}
 


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.