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Chapter 4

Chapter 4. MARIE: An Introduction to a Simple Computer. Linda Null, Julia Lobur. Figure 04.UN01: "When you wish to produce a result by means of an instrument, do not allow yourself to complicate it.". Leonardo da Vinci. Figure 04.F01: a) Point-to-Point Buses b) Multipoint Buses. -.

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Chapter 4

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  1. Chapter 4 MARIE: An Introduction to a Simple Computer Linda Null, Julia Lobur

  2. Figure 04.UN01: "When you wish to produce a result by means of an instrument, do not allow yourself to complicate it." Leonardo da Vinci

  3. Figure 04.F01: a) Point-to-Point Buses b) Multipoint Buses -

  4. Figure 04.F02: The Components of a Typical Bus -

  5. Figure 04.F03: Backplane Bus -

  6. Figure 04.F04: a) N 8-Bit Memory Locations b) M 16-Bit Memory Locations -

  7. Table 04.T01: Calculating the Address Bits Required -

  8. Figure 04.F05: Memory as a Collection of RAM Chips -

  9. Figure 04.F06A: High-Order Memory Interleaving -

  10. Figure 04.F06B: Address Structure -

  11. Figure 04.F06C: First Two Modules -

  12. Figure 04.F07A: Low-Order Memory Interleaving -

  13. Figure 04.F07B: Address Structure -

  14. Figure 04.F07C: First Two Modules -

  15. Figure 04.F08: MARIE's Architecture -

  16. Figure 04.F09: Datapath in MARIE -

  17. Figure 04.F10: MARIE's Instruction Format -

  18. Table 04.T02: MARIE's Instruction Set -

  19. Figure 04.F11: The Fetch-Decode-Execute Cycle -

  20. Figure 04.F12: Fetch-Decode-Execute Cycle with Interrupt Checking -

  21. Figure 04.F13: Processing an Interrupt -

  22. Table 04.T03: A Program to Add Two Numbers -

  23. Figure 04.F14: A Trace of the Program to Add Two Numbers -

  24. Table 04.T04: An Example Using Labels -

  25. Table 04.T05: An Example Using Directives for Constants -

  26. Table 04.T06: MARIE's Extended Instruction Set -

  27. Table 04.T07: MARIE's Full Instruction Set -

  28. Figure 04.F15: Connection of MARIE's MBR to the Datapath -

  29. Table 04.T08: ALU Control Signals and Response -

  30. Figure 04.F16: Timing Diagram for the Microoperations of MARIE's Add Instruction -

  31. Figure 04.F17: Hardwired Control Unit -

  32. Figure 04.F18: Partial Instruction Decoder for MARIE's Instruction Set -

  33. Figure 04.F19: Ring Counter Using D Flip-Flops -

  34. Figure 04.F20: Combinational Logic for Signal Controls of MARIE's Add Instruction -

  35. Figure 04.F21: Microprogrammed Control Unit -

  36. Figure 04.F22: MARIE's Microinstruction Format -

  37. Table 04.T09: Microoperation Codes and Corresponding MARIE RTL -

  38. Figure 04.F23: Selected Statements in MARIE's Microprogram -

  39. Figure 04.F24: EAX Register, Broken into Parts -

  40. Table 04.T10: MIPS32 Register Naming Convention -

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