单片机MCS-51指令集

----------------------	Hex	Bytes	Mnemonic	Operands
	00	1	NOP
	01	2	AJMP	code addr
	02	3	LJMP	code addr
	03	1	RR	A
	04	1	INC	A
	05	2	INC	data addr
	06	1	INC	@R0
	07	1	INC	@R1
	08	1	INC	R0
	09	1	INC	R1
	0A	1	INC	R2
	0B	1	INC	R3
	0C	1	INC	R4
	0D	1	INC	R5
	0E	1	INC	R6
	0F	1	INC	R7
	10	3	JBC	bit addr, code addr
	11	2	ACALL	code addr
	12	3	LCALL	code addr
	13	1	RRC	A
	14	1	DEC	A
	15	2	DEC	data addr
	16	1	DEC	@R0
	17	1	DEC	@R1
	18	1	DEC	R0
	19	1	DEC	R1
	1A	1	DEC	R2
	1B	1	DEC	R3
	1C	1	DEC	R4
	1D	1	DEC	R5
	1E	1	DEC	R6
	1F	1	DEC	R7
	20	3	JB	bit addr, code addr
	21	2	AJMP	code addr
	22	1	RET
	23	1	RL	A
	24	2	ADD	A,#data
	25	2	ADD	A,data addr
	26	1	ADD	A,@R0
	27	1	ADD	A,@R1
	28	1	ADD	A,R0
	29	1	ADD	A,R1
	2A	1	ADD	A,R2
	2B	1	ADD	A,R3
	2C	1	ADD	A,R4
	2D	1	ADD	A,R5
	2E	1	ADD	A,R6
	2F	1	ADD	A,R7
	30	3	JNB	bit addr, code addr
	31	2	ACALL	code addr
	32	1	RETI
	33	1	RLC	A
	34	2	ADDC	A,#data
	35	2	ADDC	A,data addr
	36	1	ADDC	A,@R0
	37	1	ADDC	A,@R1
	38	1	ADDC	A,R0
	39	1	ADDC	A,R1
	3A	1	ADDC	A,R2
	3B	1	ADDC	A,R3
	3C	1	ADDC	A,R4
	3D	1	ADDC	A,R5
	3E	1	ADDC	A,R6
	3F	1	ADDC	A,R7
	40	2	JC	code addr
	41	2	AJMP	code addr
	42	2	ORL	data addr,A
	43	3	ORL	data addr,#data
	44	2	ORL	A,#data
	45	2	ORL	A,data addr
	46	1	ORL	A,@R0
	47	1	ORL	A,@R1
	48	1	ORL	A,R0
	49	1	ORL	A,R1
	4A	1	ORL	A,R2
	4B	1	ORL	A,R3
	4C	1	ORL	A,R4
	4D	1	ORL	A,R5
	4E	1	ORL	A,R6
	4F	1	ORL	A,R7
	50	2	JNC	code addr
	51	2	ACALL	code addr
	52	2	ANL	data addr,A
	53	3	ANL	data addr,#data
	54	2	ANL	A,#data
	55	2	ANL	A,data addr
	56	1	ANL	A,@R0
	57	1	ANL	A,@R1
	58	1	ANL	A,R0
	59	1	ANL	A,R1
	5A	1	ANL	A,R2
	5B	1	ANL	A,R3
	5C	1	ANL	A,R4
	5D	1	ANL	A,R5
	5E	1	ANL	A,R6
	5F	1	ANL	A,R7
	60	2	JZ	code addr
	61	2	AJMP	code addr
	62	2	XRL	data addr,A
	63	3	XRL	data addr,#data
	64	2	XRL	A,#data
	65	2	XRL	A,data addr
	66	1	XRL	A,@R0
	67	1	XRL	A,@R1
	68	1	XRL	A,R0
	69	1	XRL	A,R1
	6A	1	XRL	A,R2
	6B	1	XRL	A,R3
	6C	1	XRL	A,R4
	6D	1	XRL	A,R5
	6E	1	XRL	A,R6
	6F	1	XRL	A,R7
	70	2	JNZ	code addr
	71	2	ACALL	code addr
	72	2	ORL	C,bit addr
	73	1	JMP	@AaDPTR
	74	2	MOV	A,#data
	75	3	MOV	data addr,#data
	76	2	MOV	@R0,#data
	77	2	MOV	@R1,#data
	78	2	MOV	R0,#data
	79	2	MOV	R1,#data
	7A	2	MOV	R2,#data
	7B	2	MOV	R3,#data
	7C	2	MOV	R4,#data
	7D	2	MOV	R5,#data
	7E	2	MOV	R6,#data
	7F	2	MOV	R7,#data
	80	2	SJMP	code addr
	81	2	AJMP	code addr
	82	2	ANL	C,bit addr
	83	1	MOVC	A,@AaPC
	84	1	DIV	AB
	85	3	MOV	data addr, data addr
	86	2	MOV	data addr,@R0
	87	2	MOV	data addr,@R1
	88	2	MOV	data addr,R0
	89	2	MOV	data addr,R1
	8A	2	MOV	data addr,R2
	8B	2	MOV	data addr,R3
	8C	2	MOV	data addr,R4
	8D	2	MOV	data addr,R5
	8E	2	MOV	data addr,R6
	8F	2	MOV	data addr,R7
	90	3	MOV	DPTR,#data
	91	2	ACALL	code addr
	92	2	MOV	bit addr,C
	93	1	MOVC	A,@AaDPTR
	94	2	SUBB	A,#data
	95	2	SUBB	A,data addr
	96	1	SUBB	A,@R0
	97	1	SUBB	A,@R1
	98	1	SUBB	A,R0
	99	1	SUBB	A,R1
	9A	1	SUBB	A,R2
	9B	1	SUBB	A,R3
	9C	1	SUBB	A,R4
	9D	1	SUBB	A,R5
	9E	1	SUBB	A,R6
	9F	1	SUBB	A,R7
	A0	2	ORL	C,/bit addr
	A1	2	AJMP	code addr
	A2	2	MOV	C,bit addr
	A3	1	INC	DPTR
	A4	1	MUL	AB
	A5		reserved
	A6	2	MOV	@R0,data addr
	A7	2	MOV	@R1,data addr
	A8	2	MOV	R0,data addr
	A9	2	MOV	R1,data addr
	AA	2	MOV	R2,data addr
	AB	2	MOV	R3,data addr
	AC	2	MOV	R4,data addr
	AD	2	MOV	R5,data addr
	AE	2	MOV	R6,data addr
	AF	2	MOV	R7,data addr
	B0	2	ANL	C,/bit addr
	B1	2	ACALL	code addr
	B2	2	CPL	bit addr
	B3	1	CPL	C
	B4	3	CJNE	A,#data,code addr
	B5	3	CJNE	A,data addr,code addr
	B6	3	CJNE	@R0,#data,code addr
	B7	3	CJNE	@R1,#data,code addr
	B8	3	CJNE	R0,#data,code addr
	B9	3	CJNE	R1,#data,code addr
	BA	3	CJNE	R2,#data,code addr
	BB	3	CJNE	R3,#data,code addr
	BC	3	CJNE	R4,#data,code addr
	BD	3	CJNE	R5,#data,code addr
	BE	3	CJNE	R6,#data,code addr
	BF	3	CJNE	R7,#data,code addr
	C0	2	PUSH	data addr
	C1	2	AJMP	code addr
	C2	2	CLR	bit addr
	C3	1	CLR	C
	C4	1	SWAP	A
	C5	2	XCH	A,data addr
	C6	1	XCH	A,@R0
	C7	1	XCH	A,@R1
	C8	1	XCH	A,R0
	C9	1	XCH	A,R1
	CA	1	XCH	A,R2
	CB	1	XCH	A,R3
	CC	1	XCH	A,R4
	CD	1	XCH	A,R5
	CE	1	XCH	A,R6
	CF	1	XCH	A,R7
	D0	2	POP	data addr
	D1	2	ACALL	code addr
	D2	2	SETB	bit addr
	D3	1	SETB	C
	D4	1	DA	A
	D5	3	DJNZ	data addr,code addr
	D6	1	XCHD	A,@R0
	D7	1	XCHD	A,@R1
	D8	2	DJNZ	R0,code addr
	D9	2	DJNZ	R1,code addr
	DA	2	DJNZ	R2,code addr
	DB	2	DJNZ	R3,code addr
	DC	2	DJNZ	R4,code addr
	DD	2	DJNZ	R5,code addr
	DE	2	DJNZ	R6,code addr
	DF	2	DJNZ	R7,code addr
	E0	1	MOVX	A,@DPTR
	E1	2	AJMP	code addr
	E2	1	MOVX	A,@R0
	E3	1	MOVX	A,@R1
	E4	1	CLR	A
	E5	2	MOV	A,data addr
	E6	1	MOV	A,@R0
	E7	1	MOV	A,@R1
	E8	1	MOV	A,R0
	E9	1	MOV	A,R1
	EA	1	MOV	A,R2
	EB	1	MOV	A,R3
	EC	1	MOV	A,R4
	ED	1	MOV	A,R5
	EE	1	MOV	A,R6
	EF	1	MOV	A,R7
	F0	1	MOVX	@DPTR,A
	F1	2	ACALL	code addr
	F2	1	MOVX	@R0,A
	F3	1	MOVX	@R1,A
	F4	1	CPL	A
	F5	2	MOV	data addr,A
	F6	1	MOV	@R0,A
	F7	1	MOV	@R1,A
	F8	1	MOV	R0,A
	F9	1	MOV	R1,A
	FA	1	MOV	R2,A
	FB	1	MOV	R3,A
	FC	1	MOV	R4,A
	FD	1	MOV	R5,A
	FE	1	MOV	R6,A
	FF	1	MOV	R7,A