Computer Organisation and Architecture - Vol 2 | 17. Unconditional Jump Instruction by Abraham | Learn Smarter
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17. Unconditional Jump Instruction

The chapter discusses the processes involved in executing jump instructions within a computing architecture, including unconditional and conditional jumps. It emphasizes the role of program counter management, memory data registers, and the processing of flags. Additionally, it covers the significance of saving program counter values during function calls and the mechanisms for returning to previous execution contexts.

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Sections

  • 17.1

    Unconditional Jump Instruction

    This section explains the mechanics of the unconditional jump instruction in computer architecture, detailing how the instruction is processed and executed.

    Learning Practice

  • 17.1.1

    Microinstruction Steps For Unconditional Jump

    This section outlines the microinstruction steps for executing an unconditional jump in computer architecture.

    Learning Practice

  • 17.1.2

    Control Signals And Bus Architecture

    This section discusses the function of control signals in managing data flow within a bus architecture, focusing on jump instructions and their associated mechanisms.

    Learning Practice

  • 17.2

    Conditional Jump Instruction

    This section discusses conditional jump instructions, explaining how program counters utilize offsets for jumps while checking flags like the zero and sign flag.

    Learning Practice

  • 17.2.1

    Microinstruction Steps For Jump On Zero

    This section covers the microinstruction steps for executing a conditional jump operation in computer architecture, specifically focusing on the jump-on-zero instruction and its significance in program control flow.

    Learning Practice

  • 17.2.2

    Checking The Zero Flag

    This section discusses the process of checking the zero flag during conditional jumps in assembly language programming, detailing how instruction registers and program counters interact.

    Learning Practice

  • 17.3

    Branching Based On Sign Flag

    This section explains how branching based on a sign flag operates within microinstructions, helping control program flow through conditional and unconditional jumps.

    Learning Practice

  • 17.3.1

    Microinstruction Steps For Sign Flag

    This section elaborates on the microinstruction steps for executing jump instructions based on the sign flag, detailing both unconditional and conditional jumps.

    Learning Practice

  • 17.4

    Function Call And Return

    This section explains the processes involved in function calls and returns, emphasizing how the program counter (PC) interacts with memory and control registers.

    Learning Practice

  • 17.4.1

    Save Program Counter On Function Call

    This section explores the mechanism of saving the Program Counter (PC) during function calls, focusing on indirect loading through offset calculation.

    Learning Practice

  • 17.4.2

    Executing The Jump To Function

    This section explains the mechanics of executing jump instructions in computing, focusing on both unconditional and conditional jumps.

    Learning Practice

  • 17.4.3

    Return From Function

    This section discusses the mechanisms and processes behind unconditional and conditional jump instructions in computer architecture, particularly focusing on how memory and program counters are managed during jumps.

    Learning Practice

References

ch19 part b.pdf

Class Notes

Memorization

What we have learnt

  • Understanding of unconditio...
  • The importance of the progr...
  • The role of various registe...

Final Test

Revision Tests