汇编指令英文全称
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,加载有效的地址
LDS—->load DS 加载数据段
LES—->load ES 加载附加段
LFS—->load FS 加载标记段
LGS—->load GS 加载全局段
LSS—->load SS 加载堆栈段
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
寄存器
AH&AL=AX(accumulator):累加寄存器
BH&BL=BX(base):基址寄存器
CH&CL=CX(count):计数寄存器
DH&DL=DX(data):数据寄存器
SP(Stack Pointer):堆栈指针寄存器
BP(Base Pointer):基址指针寄存器
SI(Source Index):源变址寄存器
DI(Destination Index):目的变址寄存器
IP(Instruction Pointer):指令指针寄存器
CS(Code Segment):代码段寄存器
DS(Data Segment):数据段寄存器
SS(Stack Segment):堆栈段寄存器
ES(Extra Segment):附加段寄存器
PSW程序状态字寄存器:
OF overflow flag 溢出标志 操作数超出机器能表示的范围表示溢出,溢出时为1。
SF sign Flag 符号标志 记录运算结果的符号,结果负时为1。
ZF zero flag 零标志 运算结果等于0时为1,否则为0。
CF carry flag 进位标志 最高有效位产生进位时为1,否则为0。
AF auxiliary carry flag 辅助进位标志运算时,第3位向第4位产生进位时为1,否则为0。
PF parity flag 奇偶标志 运算结果操作数位为1的个数为偶数个时为1,否则为0。
DF direcion flag 方向标志 用于串处理,DF=1时,每次操作后使SI和DI减小,DF=0时则增大。
IF interrupt flag 中断标志 IF=1时,允许CPU响应可屏蔽中断,否则关闭中断。
TF trap flag 陷阱标志 用于调试单步操作。