yinyuel.asm

51单片机程序

                
                ORG     0000H
                LJMP	START
		ORG	000BH
		LJMP	TIM0

         START: MOV	TMOD,#00000001B	
		MOV	IE,#10000010B
	;	JB		P3.2, $
	;	CALL	DELAY1
	;	JNB		P3.2, $
		MOV	31H,#00
START0:
		MOV	30H,#SONG
NEXT:    	MOV	A,30H
		MOV	DPTR,# TABLE
		MOVC	A,@A+DPTR
		MOV	R2,A
		JZ		END0
		ANL		A,#0FH
		MOV	R5,A
		MOV	A,R2
		SWAP	A
		ANL		A,#0FH
		JNZ		SING
		CLR		TR0
		JMP		D1
SING:   	DEC		A
		MOV	22H,A
		RL		A
		MOV	DPTR,#TABLE
		MOVC	A,@A+DPTR
		MOV 	TH0,A
		MOV	21H,A
		MOV	A,22H
		RL		A
		INC		A
		MOVC	A,@A+DPTR
		MOV	TL0,A
		MOV	20H,A
		SETB	TR0
D1:		CALL	DELAY
		INC		30H
		JMP		NEXT
END0:	        CLR		TR0
		MOV	A,31H
		XRL		A,#00H
                JNZ    		START


		;JNZ		END1
		JB		p2.7,$
		CALL	DELAY1
		JNB	 	p2.7,$
		INC		31H
		MOV	30H,#SONG1
		JMP		NEXT
END1:
		MOV	A,31H
		XRL		A,#01H
		JNZ		END2
		JB		p2.7,$
		CALL	DELAY1
		JNB		p2.7,$
		INC		31H
		MOV	30H,#SONG2
		JMP		NEXT
END2:
		MOV	A,31H
		XRL		A,#02H
		JNZ		END3
		JB		p2.7,$
		CALL	DELAY1
		JNB		p2.7,$
		INC		31H
		MOV	30H,#SONG3
		JMP		NEXT
END3:
		MOV	A,31H
		XRL		A,#03H
		JNZ		END4
		JB		p2.7,$
		CALL	DELAY1
		JNB		p2.7,$
		INC		31H
		MOV	30H,#SONG4
		JMP		NEXT
END4:
		MOV	A,31H
		XRL		A,#04H
		JNZ		END5
		JB		p2.7,$
		CALL	DELAY1
		JNB		p2.7,$
		INC		31H
		MOV	30H,#SONG5
		JMP		NEXT
END5:
		JMP		START



     TIM0:	PUSH	ACC                        ;定时器T0子程序
		PUSH	PSW
		SETB	RS0
		CLR		RS1
		MOV	TL0,20H
		MOV	TH0,21H
		CPL		p3.2
		POP		PSW
		POP		ACC
		RETI
DELAY:								;延时子程序
		MOV	R7,#02
D2:		MOV	R4,#125
D3:		MOV	R3,#248
		DJNZ	R3,$
		DJNZ 	R4,D3
		DJNZ	R7,D2
		DJNZ	R5,DELAY
		RET
DELAY1:
		MOV	R4,#20
D4:		MOV	R3,#248
		DJNZ	R3,$
		DJNZ	R4,D4
		RET
		ORG	300H
									;定时常数T值表
TABLE:
		DW		64260,64400,64524,64580
		DW		64684,64777,64820,64898
		DW		64968,65030,65058,65110
		DW		65157,65178,65217
											;音符节拍码数据表

SONG:    	;生日快乐
		;1
		DB		82H,01H,81H,94H,84H
		DB		0B4H,0A4H,04H
		DB		82H,01H,81H,94H,84H
		DB		0C4H,0B4H,04H
		;2
		DB		82H,01H,81H,0F4H,0D4H
		DB		0B4H,0A4H,94H
		DB		0E2H,01H,0E1H,0D4H,0B4H
		DB		0C4H,0B4H,04H
		DB		00H
SONG1:   	;两只老虎
		;1
		DB		44H,54H,64H,44H
		DB		44H,54H,64H,44H
		DB		64H,74H,88H
		DB		64H,74H,88H
		;2
		DB		82H,92H,82H,72H,64H,44H
		DB		82H,92H,82H,72H,64H,44H
		DB		44H,84H,48H
		DB		44H,14H,48H
DB		00H
SONG2:	;三只小猫
;1
DB		62H,82H,82H,62H,98H
DB		92H,0B2H,0B2H,82H,98H
DB		62H,82H,82H,52H,68H
DB		92H,0B2H,0B2H,82H,98H
;2
DB		62H,82H,82H,62H,92H,92H,94H
DB		92H,0B2H,0B2H,92H,84H,94H
DB		0B8H,0B4H,04H
DB		00H

SONG3:	;哈巴狗
		;1
		DB		42H,42H,42H,52H,64H,04H
		DB		62H,62H,62H,72H,84H,04H
		DB		92H,92H,82H,72H,64H,04H
		DB		82H,82H,52H,62H,44H,04H
		;2
		DB		42H,42H,42H,52H,64H,04H
		DB		62H,62H,62H,72H,84H,04H
		DB		92H,92H,82H,72H,64H,04H
		DB		82H,82H,52H,62H,44H,04H
		DB		00H
SONG4:	;不倒翁
		;1
		DB		84H,94H,88H
		DB		64H,54H,68H
		DB		84H,64H,54H,44H
		DB		62H,82H,42H,62H,58H
		;2
		DB		84H,94H,88H
		DB		64H,54H,68H
		DB		84H,64H,54H,44H
		DB		52H,42H,52H,62H,48H
                DB		00H
SONG5:	;妹妹背着洋娃娃
		;1
		DB		84H,02H,82H,64H,54H
		DB		64H,54H,48H
		DB		64H,02H,52H,44H,24H
		DB		14H,24H,18H
		;2
		DB		24H,02H,22H,42H,24H
		DB		44H,54H,68H
		DB		54H,02H,52H,84H,84H
		DB		54H,64H,48H
DB		00H
END