2024年3月13日发(作者：)

INTEL 汇编指令集

Intel Assemble Instruction Set

CONTENT

Intel 8086 Family Architecture

Instruction Clock Cycle Calculation

8088/8086 Effective Address (EA) Calculation

Task State Calculation

FLAGS - Intel 8086 Family Flags Register

MSW - Machine Status Word (286+ only)

8086/80186/80286/80386/80486 Instruction Set

AAA - Ascii Adjust for Addition

AAD - Ascii Adjust for Division

AAM - Ascii Adjust for Multiplication

AAS - Ascii Adjust for Subtraction

ADC - Add With Carry

ADD - Arithmetic Addition

AND - Logical And

ARPL - Adjusted Requested Privilege Level of Selector (286+ PM)

BOUND - Array Index Bound Check (80188+)

BSF - Bit Scan Forward (386+)

BSR - Bit Scan Reverse (386+)

BSWAP - Byte Swap (486+)

BT - Bit Test (386+)

BTC - Bit Test with Compliment (386+)

BTR - Bit Test with Reset (386+)

BTS - Bit Test and Set (386+)

CALL - Procedure Call

CBW - Convert Byte to Word

CDQ - Convert Double to Quad (386+)

CLC - Clear Carry

CLD - Clear Direction Flag

CLI - Clear Interrupt Flag (disable)

CLTS - Clear Task Switched Flag (286+ privileged)

CMC - Complement Carry Flag

CMP - Compare

CMPS - Compare String (Byte, Word or Doubleword)

CMPXCHG - Compare and Exchange

CWD - Convert Word to Doubleword

CWDE - Convert Word to Extended Doubleword (386+)

DAA - Decimal Adjust for Addition

DAS - Decimal Adjust for Subtraction

DEC - Decrement

DIV - Divide

ENTER - Make Stack Frame (80188+)

ESC - Escape

HLT - Halt CPU

IDIV - Signed Integer Division

IMUL - Signed Multiply

IN - Input Byte or Word From Port

INC - Increment

INS - Input String from Port (80188+)

INT - Interrupt

INTO - Interrupt on Overflow

INVD - Invalidate Cache (486+)

INVLPG - Invalidate Translation Look-Aside Buffer Entry (486+)

IRET/IRETD - Interrupt Return

Jxx - Jump Instructions Table

JCXZ/JECXZ - Jump if Register (E)CX is Zero

JMP - Unconditional Jump

LAHF - Load Register AH From Flags

LAR - Load Access Rights (286+ protected)

LDS - Load Pointer Using DS

LEA - Load Effective Address

LEAVE - Restore Stack for Procedure Exit (80188+)

LES - Load Pointer Using ES

LFS - Load Pointer Using FS (386+)

LGDT - Load Global Descriptor Table (286+ privileged)

LIDT - Load Interrupt Descriptor Table (286+ privileged)

LGS - Load Pointer Using GS (386+)

LLDT - Load Local Descriptor Table (286+ privileged)

LMSW - Load Machine Status Word (286+ privileged)

LOCK - Lock Bus

LODS - Load String (Byte, Word or Double)

LOOP - Decrement CX and Loop if CX Not Zero

LOOPE/LOOPZ - Loop While Equal / Loop While Zero

LOOPNZ/LOOPNE - Loop While Not Zero / Loop While Not Equal

LSL - Load Segment Limit (286+ protected)

LSS - Load Pointer Using SS (386+)

LTR - Load Task Register (286+ privileged)

MOV - Move Byte or Word

MOVS - Move String (Byte or Word)

MOVSX - Move with Sign Extend (386+)

MOVZX - Move with Zero Extend (386+)

MUL - Unsigned Multiply

NEG - Two's Complement Negation

NOP - No Operation (90h)

NOT - One's Compliment Negation (Logical NOT)

OR - Inclusive Logical OR

OUT - Output Data to Port

OUTS - Output String to Port (80188+)