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-rw-r--r--engines/sci/graphics/cursor.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/engines/sci/graphics/cursor.cpp b/engines/sci/graphics/cursor.cpp
index 2f881e1a76..7a37d7e865 100644
--- a/engines/sci/graphics/cursor.cpp
+++ b/engines/sci/graphics/cursor.cpp
@@ -441,6 +441,9 @@ void GfxCursor::kernelSetZoomZone(byte multiplier, Common::Rect zone, GuiResourc
_zoomMultiplier = multiplier;
+ if (_zoomMultiplier != 1 && _zoomMultiplier != 2 && _zoomMultiplier != 4)
+ error("Unexpected zoom multiplier (expected 1, 2 or 4)");
+
_zoomCursorView = new GfxView(_resMan, _screen, _palette, viewNum);
_zoomCursorLoop = (byte)loopNum;
_zoomCursorCel = (byte)celNum;