微机原理指令英文解释

1.通用数据传送指令

MOV----> move

MOVSX---->extended move with sign data

MOVZX---->extended move with zero data

PUSH---->push

POP---->pop

PUSHA---->push all

POPA---->pop all

PUSHAD---->push all data

POPAD---->pop all data

BSWAP---->byte swap

XCHG---->exchange

CMPXCHG---->compare and change

XADD---->exchange and add

XLAT---->translate

2.输入输出端口传送指令.

IN---->input

OUT---->output

3.目的地址传送指令.

LEA---->load effective address

LDS---->load DS

LES---->load ES

LFS---->load FS

LGS---->load GS

LSS---->load SS

4.标志传送指令.

LAHF---->load AH from flag

SAHF---->save AH to flag

PUSHF---->push flag

POPF---->pop flag

PUSHD---->push dflag

POPD---->pop dflag

二、算术运算指令

ADD---->add

ADC---->add with carry

INC---->increase 1

AAA---->ascii add with adjust

DAA---->decimal add with adjust

SUB---->substract

SBB---->substract with borrow

DEC---->decrease 1

NEC---->negative

CMP---->compare

AAS---->ascii adjust on substract

DAS---->decimal adjust on substract

MUL---->multiplication

IMUL---->integer multiplication

AAM---->ascii adjust on multiplication

DIV---->divide

IDIV---->integer divide

AAD---->ascii adjust on divide

CBW---->change byte to word

CWD---->change word to double word

CWDE---->change word to double word with sign

to EAX

CDQ---->change double word to quadrate word

三、逻辑运算指令

AND---->and

OR---->or

XOR---->xor

NOT---->not

TEST---->test

SHL---->shift left

SAL---->arithmatic shift left

SHR---->shift right

SAR---->arithmatic shift right

ROL---->rotate left

ROR---->rotate right

RCL---->rotate left with carry

RCR---->rotate right with carry

四、串指令

MOVS---->move string

CMPS---->compare string

SCAS---->scan string

LODS---->load string

STOS---->store string

REP---->repeat

REPE---->repeat when equal

REPZ---->repeat when zero flag

REPNE---->repeat when not equal

REPNZ---->repeat when zero flag

REPC---->repeat when carry flag

REPNC---->repeat when not carry flag

五、程序转移指令

1>无条件转移指令(长转移)

JMP---->jump

CALL---->call

RET---->return

RETF---->return far

2>条件转移指令(短转移,-128到+127的距离内)

JAE---->jump when above or equal

JNB---->jump when not below

JB---->jump when below

JNAE---->jump when not above or equal

JBE---->jump when below or equal

JNA---->jump when not above

JG---->jump when greater

JNLE---->jump when not less or equal

JGE---->jump when greater or equal

JNL---->jump when not less

JL---->jump when less

JNGE---->jump when not greater or equal

JLE---->jump when less or equal

JNG---->jump when not greater

JE---->jump when equal

JZ---->jump when has zero flag

JNE---->jump when not equal

JNZ---->jump when not has zero flag

JC---->jump when has carry flag

JNC---->jump when not has carry flag

JNO---->jump when not has overflow flag

JNP---->jump when not has parity flag

JPO---->jump when parity flag is odd

JNS---->jump when not has sign flag

JO---->jump when has overflow flag

JP---->jump when has parity flag

JPE---->jump when parity flag is even

JS---->jump when has sign flag

3>循环控制指令(短转移)

LOOP---->loop

LOOPE---->loop equal

LOOPZ---->loop zero

LOOPNE---->loop not equal

LOOPNZ---->loop not zero

JCXZ---->jump when CX is zero

JECXZ---->jump when ECX is zero

4>中断指令

INT---->interrupt

INTO---->overflow interrupt

IRET---->interrupt return

5>处理器控制指令

HLT---->halt

WAIT---->wait

ESC---->escape

LOCK---->lock

NOP---->no operation

STC---->set carry

CLC---->clear carry

CMC---->carry make change

STD---->set direction

CLD---->clear direction

STI---->set interrupt

CLI---->clear interrupt

六、伪指令

DW---->definw word

PROC---->procedure

ENDP---->end of procedure

SEGMENT---->segment

ASSUME---->assume

ENDS---->end segment

END---->end