From 973aef55743a26cdf6d754e921fde98c74e1434c Mon Sep 17 00:00:00 2001
From: Alyssa Milburn
Date: Sat, 17 Dec 2016 17:20:06 +0100
Subject: ADL: Only warn about (and skip) sectors with invalid NIB checksums.

---
 engines/adl/disk.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'engines/adl/disk.cpp')

diff --git a/engines/adl/disk.cpp b/engines/adl/disk.cpp
index 0de740eaec..d07e0c540c 100644
--- a/engines/adl/disk.cpp
+++ b/engines/adl/disk.cpp
@@ -117,8 +117,11 @@ static Common::SeekableReadStream *readImage_NIB(const Common::String &filename)
 			track = read44(buffer, pos);
 			sector = read44(buffer, pos);
 			uint8 checksum = read44(buffer, pos);
-			if ((volNo ^ track ^ sector) != checksum)
-				error("invalid NIB checksum");
+			if ((volNo ^ track ^ sector) != checksum) {
+				warning("invalid NIB checksum (volNo %d, track %d, sector %d)", volNo, track, sector);
+				sawAddress = false;
+				continue;
+			}
 
 			if (!firstGoodTrackPos)
 				firstGoodTrackPos = pos;
-- 
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