2 files changed, 14 insertions, 0 deletions
diff --git a/engines/hdb/sound.cpp b/engines/hdb/sound.cpp
index 1f4ec0aa36..92840e9eb0 100644
--- a/engines/hdb/sound.cpp
+++ b/engines/hdb/sound.cpp
@@ -34,6 +34,11 @@ bool Sound::playSound(int index) {
 	return true;
 }
 
+bool Sound::playSoundEx(int index, int channel, bool loop) {
+	debug(9, "STUB: Play SoundEx");
+	return true;
+}
+
 bool Sound::playVoice(int index, int actor) {
 	warning("STUB: Play Voice");
 	return true;
diff --git a/engines/hdb/sound.h b/engines/hdb/sound.h
index f268309d0b..c790ca910b 100644
--- a/engines/hdb/sound.h
+++ b/engines/hdb/sound.h
@@ -25,6 +25,14 @@
 
 namespace HDB {
 
+enum {
+	kMaxSNDChannels = 32,
+	kSNDFrequency = 22050,
+	kLaserChannel = kMaxSNDChannels - 1,
+	kMusicChannel = kMaxSNDChannels - 2,
+	kVoiceChannel = kMaxSNDChannels - 5
+};
+
 enum SoundType {
 	SONG_NONE,
 	SND_GUI_INPUT,
@@ -1382,6 +1390,7 @@ public:
 	bool init();
 
 	bool playSound(int index);
+	bool playSoundEx(int index, int channel, bool loop);
 	bool playVoice(int index, int actor);
 
 	void markSoundCacheFreeable();