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