MOV (Move)
MOVC (Move Code) 代码字节传送
MOVX (Move External) [ikˈst ə:nəl]外部的
PUSH 推
POP(pop-up) 弹出
AJMP (Absolute Jump)
LJMP (Long Jump)
SJMP (Short Jump)
JMP (Jump Indirect)[ˌindiˈrekt]间接的
JZ (Jump Zero)
JNZ (Jump Not Zero)
JC (Jump if Carry进位) 进位为1转移
JNC (Jump if Not Carry) 进位为0转移
JB (Jump if Bit is set) 直接寻址位为1转移
JNB (Jump if Not Bit)
JBC (If Bit is set and Clear Bit) 直接寻址位为1转移并清该位CJNE (Compare比较and Jump if Not Equal相等) DJNZ (Decrement减1 and
Jump if Not Zero)
ACALL (Absolute Call)
LCALL (Long Call)
RET (Return)
NOP (No Operation)
ADD (addition)
ADDC (Add with Carry进位)
SUBB (Subtract with Borrow借)
MUL (Multiply)[ˈmʌltiplai] 相乘
DIV (Division) 除
INC (Increment) 增量
DEC (Decrement) 减量
ANL (Logical AND)
ORL (Logical OR)
XRL (Logical Exclusive of OR)
[ikˈsklu:siv]排他的（非），异或
CPL (Complement) [ˈkɔmplimə
nt]补充，取反
CLR (Clear)
SEBT (Set Bit) 置位
RL (Rotate Left) [rəuˈteit].(使)旋
转
RR (Rotate Right)
RLC (Rotate Left throught the
Carry flag) 经过进位的**循环
左移
RRC (Rotate Right throught
the Carry flag)
XCH (Exchange) 交换
XCHD 交换低4位字节
SWAP 高低4位互换
DA (Decimal Adjust) [ˈdesiməl]
十进制调整
ORG (Origin) [ˈɔridʒin]起点
DB (Define Byte)
DW (Define Word)
EQU (Equal)
DATA
XDATA (External Data)
BIT。