From 7f7e5f34acc7f4f2cd79798f8a7f9313c04ad2d5 Mon Sep 17 00:00:00 2001
From: ripsaw8080 <ripsaw8080@users.sourceforge.net>
Date: Thu, 21 Feb 2019 14:53:31 +0000
Subject: [PATCH] Ignore unrequested data in intelligent mode; fixes Roland
 sound in Krusty's Fun House.

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@4192
---
 src/hardware/mpu401.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hardware/mpu401.cpp b/src/hardware/mpu401.cpp
index c5a2a77f..4afa5691 100644
--- a/src/hardware/mpu401.cpp
+++ b/src/hardware/mpu401.cpp
@@ -605,7 +605,7 @@ static void MPU401_Reset(void) {
 	mpu.state.cmask=0xff;
 	mpu.state.amask=mpu.state.tmask=0;
 	mpu.state.midi_mask=0xffff;
-	mpu.state.data_onoff=0;
+	mpu.state.data_onoff=-1;
 	mpu.state.command_byte=0;
 	mpu.state.block_ack=false;
 	mpu.clock.tempo=mpu.clock.old_tempo=100;