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Addressing mode

Addressing modes are an aspect of the instruction set architecture in most central processing unit (CPU) designs. Addressing modes define how the machine language instructions in that architecture identify the operand(s) of each instruction. An addressing mode specifies how to calculate the effective memory address of an operand by using information held…

Measurement, Obsolete addressing modes & Other addressing modes for code or data

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Overview

Caveats

Number of addressing modes

Load effective address

Simple addressing modes for code

PC-relative

Sequential addressing modes for code

Simple addressing modes for data

Other addressing modes for code or data

Obsolete addressing modes

Glossary

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Map overview Semantic statistics

Addressing mode

Nodes116
Edges115
Triples122
Avg. degree1.98
Density0.017241
Components1

How this topic connects Entity context

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Addressing mode

Top relations

related to Caveats · 17
Addressing mode → CISC, DEC, Digital Equipment Corporation, For, Furthermore, IBM System/360, Microchip Technology PIC, MOV, Only, Others, RISC, The, There, Thus, To, Under, VAX
related to PC-relative · 11
Addressing mode → CPUs, For, It, Measurements, PC, PC-relative, Such CPUs, The, The PC-relative, There, This
related to Number of addressing modes · 9
Addressing mode → CISC, Computer, CPUs, DEC VAX, ESA/390, It, Most RISC, The IBM System/360, There
related to Multi-level memory indirect · 8
Addressing mode → Care, Data General Nova, HP, If, Nova, The, The IBM, This
related to Absolute/direct · 7
Addressing mode → CISC, It, Load Upper Literal, Some RISC, That, The, This
related to Register autoincrement indirect · 7
Addressing mode → A7, After, For, If, In, This, Within
related to Immediate/literal · 6
Addressing mode → D0, D0to, FEEDABBA, For, The, This
related to Load effective address · 6
Addressing mode → IBM System/360, Intel, It, Motorola, Some, This
related to Skip · 6
Addressing mode → CPUs, Like PC-relative, Other CPUs, PC-relative, Skip, Unlike
related to Memory indirect or deferred · 4
Addressing mode → Any, Indirect, It, On

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Important terminology

addressing address instruction register mode memory modes instructions used indirect could effective registers one offset use dec data base index

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the Microchip Technology PIC microcontrollers make no distinction between registersinstance ofsome processors0.80text
memory.The terminstance ofsome processors0.80text
VAX which use operand mode bits to allow for a register or for a literal operandinstance ofThe second interpretation allows for machines0.80text
the DEC VAX have over a dozen addressing modesinstance ofwhile CISC architectures0.80text
some of which are quite complicatedinstance ofwhile CISC architectures0.80text
the IBM 650instance ofSuch CPUs include some drum memory computers0.80text
the SECD machineinstance ofSuch CPUs include some drum memory computers0.80text
Librascope RPC 4000instance ofSuch CPUs include some drum memory computers0.80text
and the RTX 32P.On processors implemented with horizontal microcodeinstance ofSuch CPUs include some drum memory computers0.80text
the microinstruction may contain the high order bits of the next instruction address.Other computing architectures go much furtherinstance ofSuch CPUs include some drum memory computers0.80text
attempting to bypass the von Neumann bottleneck using a variety of alternatives to the program counter.Conditional executionSome computer architectures have conditional instructionsinstance ofSuch CPUs include some drum memory computers0.80text
a 'compare' is used to set a condition codeinstance ofAn instruction0.80text

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    Min side: 3
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