(a)
Round(State,RoundKey) {
ByteSub(State);
ShiftRow(State);
MixColumn(State);
AddRoundKey(State,RoundKey);
}

(b)
FinalRound(State,RoundKey) {
ByteSub(State);
ShiftRow(State);
AddRoundKey(State,RoundKey);
}

Example 1: (a) The round transformation in pseudo C; (b) final round of cipher.