From 49875ee505d1b889d284d932cd9605b3c3a4c547 Mon Sep 17 00:00:00 2001
From: ripsaw8080 <ripsaw8080@users.sourceforge.net>
Date: Tue, 22 Oct 2013 17:40:41 +0000
Subject: [PATCH] CD audio status returns zero start and end times when no
 track is playing. Fixes The Manhole.

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3839
---
 src/dos/dos_mscdex.cpp | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/src/dos/dos_mscdex.cpp b/src/dos/dos_mscdex.cpp
index 688751d8..36ef3066 100644
--- a/src/dos/dos_mscdex.cpp
+++ b/src/dos/dos_mscdex.cpp
@@ -506,16 +506,21 @@ bool CMscdex::GetAudioStatus(Bit8u subUnit, bool& playing, bool& pause, TMSF& st
 	if (subUnit>=numDrives) return false;
 	dinfo[subUnit].lastResult = cdrom[subUnit]->GetAudioStatus(playing,pause);
 	if (dinfo[subUnit].lastResult) {
-		// Start
-		Bit32u addr	= dinfo[subUnit].audioStart + 150;
-		start.fr	= (Bit8u)(addr%75);	addr/=75;
-		start.sec	= (Bit8u)(addr%60); 
-		start.min	= (Bit8u)(addr/60);
-		// End
-		addr		= dinfo[subUnit].audioEnd + 150;
-		end.fr		= (Bit8u)(addr%75);	addr/=75;
-		end.sec		= (Bit8u)(addr%60); 
-		end.min		= (Bit8u)(addr/60);
+		if (playing) {
+			// Start
+			Bit32u addr	= dinfo[subUnit].audioStart + 150;
+			start.fr	= (Bit8u)(addr%75);	addr/=75;
+			start.sec	= (Bit8u)(addr%60); 
+			start.min	= (Bit8u)(addr/60);
+			// End
+			addr		= dinfo[subUnit].audioEnd + 150;
+			end.fr		= (Bit8u)(addr%75);	addr/=75;
+			end.sec		= (Bit8u)(addr%60); 
+			end.min		= (Bit8u)(addr/60);
+		} else {
+			memset(&start,0,sizeof(start));
+			memset(&end,0,sizeof(end));
+		}
 	} else {
 		playing		= false;
 		pause		= false;