-\subsection{logic}
-modifies zero and sign flag only. shifts may modify carry
-
-rotate?!?!?!?
-
-C is for shift to desc. a shift through carry
-F is for fill the unused
-ARITH makes logic right shift to arithemtic right shift
-
-not kann durch xorif rD, rS, \#0x7FF ersetzt werden. makro \_NOT daf\"ur.
-
+\subsection{logical instructions}
+When not stated otherwise the following instructions will only modify the zero and sign flag.