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Table of Contents

Registers Keyword Table

 

Data Registers

EAX

extended accumulator register, bits 0-31

ord4

 

AX

accumulator register, bits 0-15

ord2

 

AH

accumulator register, bits 8-15

ord1

 

AL

accumulator register, bits 0-7

ord1

 

EBX

extended BX register, bits 0-31

ord4

 

BX

BX register, bits 0-15

ord2

 

BH

BX register, bits 8-15

ord 1

 

BL

BX register, bits 0-7

ord1

 

ECX

extended CX register, bits 0-31

ord4

 

CX

CX register, bits 0-15

ord2

 

CH

CX register, bits 8-15

ord1

 

CL

CX register, bits 0-7

ord1

 

EDX

extended DX register, bits 0-31

ord4

 

DX

DX register, bits 0-15

ord2

 

DH

DX register, bits 8-15

ord1

 

DL

DX register, bits 0-7

ord1

Pointer/Index Registers

EBP

extended base pointer

ord4

 

BP

base pointer

ord2

 

ESP

extended stack pointer

ord4

 

SP

stack pointer

ord2

 

EDI

extended destination index

ord4

 

DI

destination index

ord2

 

ESI

extended source index

ord4

 

SI

source index

ord2

Code Segment Registers

CS

code segment register

ord2

 

CSBAS

code segment register, base

ord4

 

CSLIM

code segment register, limit

ord4

 

CSAR

code segment register, access rights

ord1

Data Segment Registers

DS

data segment register

ord2

 

DSBAS

data segment register, base

ord4

 

DSLIM

data segment register, limit

ord4

 

DSAR

data segment register, access rights

ord1

Extra Segment Registers

ES

extra segment register

ord2

 

ESBAS

extra segment register, base

ord4

 

ESLIM

extra segment register, limit

ord4

 

ESAR

extra segment register, access rights

ord1

F Segment Registers

FS

F segment register

ord2

 

FSBAS

F segment register, base

ord4

 

FSLIM

F segment register, limit

ord4

 

FSAR

F segment register, access rights

ord1

G Segment Registers

GS

G segment register

ord2

 

GSBAS

G segment register, base

ord4

 

GSLIM

G segment register, limit

ord4

 

GSAR

G segment register, access rights

ord1

Stack Segment Registers

SS

stack segment register

ord2

 

SSBAS

stack segment register, base

ord4

 

SSLIM

stack segment register, limit

ord4

 

SSAR

stack segment register, access rights

byte

Instruction Pointer and Flags Registers

EIP

extended instruction pointer

ord4

 

IP

instruction pointer

ord2

 

EFLAGS

extended flags register

ord4

 

FLAGS

flags register

ord2

Control Registers

CR0

machine status register

ord4

 

CR1

Intel reserved

ord4

 

CR2

page fault linear address register

ord4

 

CR3

page directory base register

ord4

 

CR4

processor extensions register

ord4

System Address Registers

GDTBAS

global descriptor table, base

ord4

 

GDTLIM

global descriptor table, limit

ord2

 

LDTR

local descriptor table register

ord2

 

LDTBAS

local descriptor table, base

ord4

 

LDTLIM

local descriptor table, limit

ord2

 

LDTAR

local descriptor table, access rights

ord1

 

IDTBAS

interrupt descriptor table, base

ord4

 

IDTLIM

interrupt descriptor table, limit

ord2

 

TR

task state segment register

ord2

 

TSSBAS

task state segment, base

ord4

 

TSSLIM

task state segment, limit

ord4

 

TSSAR

task state segment, access rights

ord1

Debug Registers

DR0

debug register

ord4

 

DR1

debug register

ord4

 

DR2

debug register

ord4

 

DR3

debug register

ord4

 

DR4

debug register

ord4

 

DR5

debug register

ord4

 

DR6

debug register

ord4

 

DR7

debug register

ord4