+
+/* Was set to 2 before but it would cause issues in R-types and Vandal Hearts videos.
+ * Setting it to 6 as dmitrysmagin did fix those... except for Galerians.
+ * Galerians needs this to be set to 10 (!!) before it looks properly.
+ * I've tried this with a few other games (including R-Types) and so far, this
+ * has not backfired.
+ * */
+#define MDEC_BIAS 10