+2010-06-16
+ * added tape panel graphics and screen positions to graphics config
+
+2010-06-15
+ * added compatibility stuff for redefined "global.door" (which affects
+ all parts of that image that have their own graphics definition now)
+
+2010-06-14
+ * added sound button graphics to graphics config
+
+2010-06-13
+ * added tape button graphics and screen positions to graphics config
+
2010-06-09
* improved single step mode in R'n'D, EM and SP engines