From ae8f6397ebde77c5469735227d5d303a9d3f170d Mon Sep 17 00:00:00 2001
From: Ben Castricum
Date: Tue, 15 Aug 2017 21:30:44 +0200
Subject: SCUMM: Prevent darkenPallete() in Room 0 in FT, fixes bug #9871

---
 engines/scumm/script_v6.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'engines/scumm')

diff --git a/engines/scumm/script_v6.cpp b/engines/scumm/script_v6.cpp
index 62c62c0b4a..5cbbd93265 100644
--- a/engines/scumm/script_v6.cpp
+++ b/engines/scumm/script_v6.cpp
@@ -1636,6 +1636,9 @@ void ScummEngine_v6::o6_roomOps() {
 		c = pop();
 		b = pop();
 		a = pop();
+		// Prevent assert() error with corner case, fixes bug #9871
+		if (_game.id == GID_FT && _roomResource == 0)
+			break;
 		darkenPalette(a, a, a, b, c);
 		break;
 
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