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Machine Code and the Fetch-Execute Cycle

Machine Code and the Fetch-Execute Cycle. Fetch-Execute Cycle. Fetch the next instruction Decode Execute It. ALU. 1. FETCH. ALU. 1. FETCH. ALU. 1. FETCH. ALU. 1. FETCH. ALU. 1. FETCH. ALU. 1. DECODE. ALU. 1. DECODE. Instruction Decoded. ALU. 1. EXECUTE. ALU. 2.

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Machine Code and the Fetch-Execute Cycle

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  1. Machine Code and the Fetch-Execute Cycle

  2. Fetch-Execute Cycle • Fetch the next instruction • Decode • Execute It

  3. ALU

  4. 1 FETCH ALU

  5. 1 FETCH ALU

  6. 1 FETCH ALU

  7. 1 FETCH ALU

  8. 1 FETCH ALU

  9. 1 DECODE ALU

  10. 1 DECODE Instruction Decoded ALU

  11. 1 EXECUTE ALU

  12. 2 FETCH ALU

  13. 2 FETCH ALU

  14. 2 FETCH ALU

  15. 2 FETCH ALU

  16. 2 DECODE ALU

  17. 2 DECODE Instruction Decoded ALU

  18. 2 EXECUTE ALU

  19. 2 EXECUTE ALU

  20. 3 FETCH ALU

  21. 3 FETCH ALU

  22. 3 FETCH ALU

  23. 3 FETCH ALU

  24. 3 DECODE ALU

  25. 3 DECODE Instruction Decoded ALU

  26. 3 EXECUTE ALU

  27. 4 FETCH ALU

  28. 4 FETCH ALU

  29. 4 FETCH ALU

  30. 4 FETCH ALU

  31. 4 DECODE ALU

  32. 4 DECODE Instruction Decoded ALU

  33. 4 EXECUTE ALU

  34. 4 EXECUTE ALU

  35. 4 EXECUTE ALU

  36. 4 EXECUTE 0A + 05 = 0F ALU

  37. 4 EXECUTE ALU

  38. 5 FETCH ALU

  39. 5 FETCH ALU

  40. 5 FETCH ALU

  41. 5 FETCH ALU

  42. 5 DECODE ALU

  43. 5 DECODE Instruction Decoded ALU

  44. 5 EXECUTE ALU

  45. 5 EXECUTE ALU

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