A386DX 查看數據表（PDF） - Intel

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A386DX

32-BIT CHMOS MICROPROCESSOR WITH INTEGRATED MEMORY MANAGEMENT

Intel 

Intel386TM DX MICROPROCESSOR

2 4 2 Intel386TM DX Instructions

MOV

PUSH

POP

PUSHA

POPA

XCHG

XLAT

MOVZX

MOVSX

CBW

CWD

CWDE

CDQ

IN

OUT

LEA

LDS

LES

LFS

LGS

LSS

LAHF

SAHF

PUSHF

POPF

PUSHFD

POPFD

CLC

CLD

CMC

STC

STD

Table 2-2a Data Transfer

GENERAL PURPOSE

Move operand

Push operand onto stack

Pop operand off stack

Push all registers on stack

Pop all registers off stack

Exchange Operand Register

Translate

CONVERSION

Move byte or Word Dword with zero

extension

Move byte or Word Dword sign

extended

Convert byte to Word or Word to Dword

Convert Word to DWORD

Convert Word to DWORD extended

Convert DWORD to QWORD

INPUT OUTPUT

Input operand from I O space

Output operand to I O space

ADDRESS OBJECT

Load effective address

Load pointer into D segment register

Load pointer into E segment register

Load pointer into F segment register

Load pointer into G segment register

Load pointer into S (Stack) segment

register

FLAG MANIPULATION

Load A register from Flags

Store A register in Flags

Push flags onto stack

Pop flags off stack

Push EFlags onto stack

Pop EFlags off stack

Clear Carry Flag

Clear Direction Flag

Complement Carry Flag

Set Carry Flag

Set Direction Flag

Table 2-2b Arithmetic Instructions

ADDITION

ADD

Add operands

ADC

Add with carry

INC

Increment operand by 1

AAA

ASCII adjust for addition

DAA

Decimal adjust for addition

SUBTRACTION

SUB

Subtract operands

SBB

Subtract with borrow

DEC

Decrement operand by 1

NEG

Negate operand

CMP

Compare operands

DAS

Decimal adjust for subtraction

AAS

ASCII Adjust for subtraction

MULTIPLICATION

MUL

Multiply Double Single Precision

IMUL

Integer multiply

AAM

ASCII adjust after multiply

DIVISION

DIV

Divide unsigned

IDIV

Integer Divide

AAD

ASCII adjust before division

Table 2-2c String Instructions

MOVS Move byte or Word Dword string

INS

Input string from I O space

OUTS Output string to I O space

CMPS Compare byte or Word Dword string

SCAS

Scan Byte or Word Dword string

LODS Load byte or Word Dword string

STOS

Store byte or Word Dword string

REP

Repeat

REPE

REPZ

Repeat while equal zero

RENE

REPNZ Repeat while not equal not zero

Table 2-2d Logical Instructions

LOGICALS

NOT

‘‘NOT’’ operands

AND

‘‘AND’’ operands

OR

‘‘Inclusive OR’’ operands

XOR

‘‘Exclusive OR’’ operands

TEST

‘‘Test’’ operands

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