F: Fetch stage D: Decode stage A: AGEX stage M: Memory stage S: SR stage Cycle Instruction 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 -------------------------------------------------------------- LEA R0, ANSWER F F D A M S ADD R1, R1, #5 F D A M S ADD R2, R2, #4 F D A M S ADD R3, R3, #3 F D A M S ADD R4, R4, #2 F D A M S LDW R5, R0, #0 F D A M M S ADD R6, R3, R3 F D D D A M S HALT F D A M S