Computer Organisation and Architecture - Vol 2 | 27. Fourth Case: Explicit Jump by Abraham | Learn Smarter
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Knowledge
27. Fourth Case: Explicit Jump

This chapter delves into the execution of microprograms, exploring both implicit and explicit jumps within a macro instruction context. It discusses the optimization of control units through encoding and merging common micro routines, thereby enhancing performance and reducing complexity. The interaction between various flags and the resulting jumps are elaborated upon, providing insight into the crucial role of microprogramming in microarchitectures.

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Sections

  • 27.1

    Fourth Case: Explicit Jump

    This section discusses the concept of explicit jumps in microprogramming and how they differ from implicit jumps, detailing their necessity for proper program execution.

    Learning Practice

  • 27.1.1

    Implicit Vs Explicit Jumps

    This section discusses the differences between implicit and explicit jumps in macro and micro programs, highlighting the significance of each in programming execution.

    Learning Practice

  • 27.1.2

    Macro Vs Micro Instructions

    This section discusses the differences between macro and micro instructions in computer architecture, focusing on explicit and implicit jumps during instruction execution.

    Learning Practice

  • 27.1.3

    Zero Flag Conditions

    This section delves into the concepts of explicit and implicit jumps in micro and macro programs, focusing on how the zero flag influences control flow during execution.

    Learning Practice

  • 27.1.4

    Program Counter Updates

    This section discusses how program counter (PC) updates are handled in microprograms, specifically distinguishing between implicit and explicit jumps.

    Learning Practice

  • 27.1.5

    Common Micro Routines

    This section discusses the mechanisms of explicit and implicit jumps in microprogramming, illustrating how macro instructions are optimized through shared routines.

    Learning Practice

  • 27.1.6

    Optimization Techniques

    The section discusses optimization techniques in microprogramming, focusing on implicit and explicit jumps in macro instructions.

    Learning Practice

  • 27.2

    Example And Implications

    This section explains the concepts of explicit and implicit jumps in micro instructions and their implications on macro programs.

    Learning Practice

  • 27.2.1

    Examples Of Jumps

    This section discusses explicit and implicit jumps in microprogramming, focusing on how they affect the execution of macro instructions.

    Learning Practice

  • 27.2.2

    Performance Impact

    This section discusses the impact of explicit and implicit jumps on the performance of microprograms and how optimizations can be achieved in instruction execution.

    Learning Practice

  • 27.3

    Control Word Optimization

    This section discusses the importance of control word optimization in microprogramming, focusing on explicit and implicit jumps within macro and micro instructions.

    Learning Practice

  • 27.3.1

    Encoding Techniques

    This section discusses encoding techniques in microprogramming, focusing on implicit and explicit jumps for control signal optimization.

    Learning Practice

  • 27.3.2

    Common Micro Routines

    This section discusses the different types of jumps in micro routines, focusing on explicit and implicit jumps, and how they affect the execution of macro programs.

    Learning Practice

  • 27.3.3

    Branch Control

    This section explains the concept of branch control in microprogramming and highlights the differences between implicit and explicit jumps in macro and micro instructions.

    Learning Practice

  • 27.3.4

    Comparative Evaluations

    This section discusses the differences between explicit and implicit jumps in microprogram routines, emphasizing their roles in macro programs and optimization.

    Learning Practice

  • 27.4

    Conclusion And Future Work

    The section discusses how micro-programs execute with explicit and implicit jumps, reflecting on optimizations in control routines.

    Learning Practice

  • 27.4.1

    Transitioning From Single Bus To Multi-Bus

    The section explains the importance of transitioning from a single bus architecture to a multi-bus architecture, focusing on how this transition impacts microprogramming through the use of explicit and implicit jumps.

    Learning Practice

References

22 part d.pdf

Class Notes

Memorization

What we have learnt

  • Microprograms can be optimi...
  • The necessity of explicit j...
  • Different instruction sets ...

Final Test

Revision Tests