1. A method comprising: reading a first memory location, the first memory location comprising a first instruction and a first sequence operation, the first sequence operation indicative of a second memory location comprising a second instruction and a second sequence operation, the first and second instructions based on a first complex instruction; decoding the first instruction during a first phase; determining a second phase based on the first sequence operation, the second phase after the first phase; and decoding the first sequence operation during the second phase.