6. The processing device of claim 1 , where the instruction sequence comprises one or more non-selected instructions, which are not in the subsequence of selected instructions.
6. The processing device of claim 1 , where the instruction sequence comprises one or more non-selected instructions, which are not in the subsequence of selected instructions. 9. The processing device of claim 6 wherein the processing device is arranged, in response to execution of each of the selected instructions, to set the status word to a value, which depends on at least one of input data of the instruction sequence and on results of preceding instructions of the instruction sequence.