[Scummvm-cvs-logs] SF.net SVN: scummvm: [31365] scummvm/trunk/engines/agi/sound.cpp

[buddha_ at users.sourceforge.net]

Revision: 31365
          http://scummvm.svn.sourceforge.net/scummvm/?rev=31365&view=rev
Author:   buddha_
Date:     2008-04-03 07:33:53 -0700 (Thu, 03 Apr 2008)

Log Message:
-----------
Fix Apple IIGS midi playing speed (Based on tests with Apple IIGS KQ1 and SQ1 under MESS 0.124a)

Modified Paths:
--------------
    scummvm/trunk/engines/agi/sound.cpp

Modified: scummvm/trunk/engines/agi/sound.cpp
===================================================================
--- scummvm/trunk/engines/agi/sound.cpp	2008-04-02 21:19:17 UTC (rev 31364)
+++ scummvm/trunk/engines/agi/sound.cpp	2008-04-03 14:33:53 UTC (rev 31365)
@@ -554,8 +554,8 @@
 		}
 
 		uint8 deltaTime = readByte;
-		uint32 bpm = 120; // Don't know if this is correct
-		g_midiMillis += (deltaTime * 1000) / bpm;
+		double bpm = 58.25; // Approximation based on tests with Apple IIGS KQ1 and SQ1 under MESS 0.124a
+		g_midiMillis += (uint32) ((deltaTime * 1000) / bpm);
 
 		// Check for end of MIDI sequence marker (This time it after reading delta-time)
 		if (*p == MIDI_BYTE_STOP_SEQUENCE) {


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