From 16fab2d480bfc586098778fef95ee0d1af66d8fd Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Tue, 21 Aug 2018 03:34:40 +0300
Subject: SCI32: Ignore invalid kernel call when toggling the music in Hoyle 5

---
 engines/sci/sound/soundcmd.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/engines/sci/sound/soundcmd.cpp b/engines/sci/sound/soundcmd.cpp
index 54fdcf5f8f..7012746c80 100644
--- a/engines/sci/sound/soundcmd.cpp
+++ b/engines/sci/sound/soundcmd.cpp
@@ -634,6 +634,12 @@ reg_t SoundCommandParser::kDoSoundSendMidi(EngineState *s, int argc, reg_t *argv
 	uint16 controller = (argc == 5) ? argv[3].toUint16() : argv[2].toUint16();
 	uint16 param = (argc == 5) ? argv[4].toUint16() : argv[3].toUint16();
 
+	// This call is made in Hoyle 5 when toggling the music from the main menu.
+	// Ignore it for this game, since it doesn't use MIDI audio, and this call
+	// looks to be a leftover in Sound::mute (script 64989).
+	if (g_sci->getGameId() == GID_HOYLE5)
+		return s->r_acc;
+
 	if (argc == 4 && controller == 0xFF) {
 		midiCmd = 0xE0;	// 0xE0: pitch wheel
 		uint16 pitch = CLIP<uint16>(argv[3].toSint16() + 0x2000, 0x0000, 0x3FFF);
-- 
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