From 81a3538706c768c45e4166c1be10045355dce459 Mon Sep 17 00:00:00 2001
From: Gregory Montoir
Date: Fri, 18 Feb 2011 17:51:49 +0100
Subject: TUCKER: fix #3106714 - Wrong animation after TV off

Some negative values are prefixed by 2 minus signs, skip one
before passing the string to strtol.
---
 engines/tucker/tucker.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/engines/tucker/tucker.cpp b/engines/tucker/tucker.cpp
index 766172c87f..092bd74a47 100644
--- a/engines/tucker/tucker.cpp
+++ b/engines/tucker/tucker.cpp
@@ -3088,6 +3088,11 @@ int TuckerEngine::readTableInstructionCode(int *index) {
 }
 
 int TuckerEngine::readTableInstructionParam(int len) {
+	// skip duplicated minus signs (bua,--1, c0a,--1, ...)
+	if (len >= 3 && memcmp(_tableInstructionsPtr, "--", 2) == 0) {
+		++_tableInstructionsPtr;
+		--len;
+	}
 	char *end = 0;
 	const int param = strtol((const char *)_tableInstructionsPtr, &end, 10);
 	if (end != (const char *)_tableInstructionsPtr + len) {
-- 
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