音乐程序1--生日快乐 -

ORG 8000H
JMP MAIN
ORG 800BH
JMP INTT0

本文引用地址: http://www.21ic.com/app/mcu/201806/761716.htm

ORG 8100H
MAIN: MOV SP,#60H
MOV TMOD,#01H
SETB ET0
SETB EA
SETB TR0
START0: SETB P1.3
MOV 30H,#00H
NEXT: MOV A,30H
MOV DPTR,#TABLE
MOVC A,@A+DPTR
MOV R2,A
JZ ENDD
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,#TABLE1
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
ENDD: CLR TR0
JMP START0

INTT0:
PUSH PSW
PUSH ACC
MOV TL0,20H
MOV TH0,21H
CPL P1.3
POP ACC
POP PSW
RETI
DELAY: MOV R7,#02
DELAY0: MOV R4,#187
DELAY1: MOV R3,#248
DJNZ R3,$
DJNZ R4,DELAY1
DJNZ R7,DELAY0
DJNZ R5,DELAY
RET
TABLE: DB 82H,01H,81H,94H,84H,0B4H,0A4H,04H
DB 82H,01H,81H,94H,84H,0C4H,0B4H,04H
DB 82H,01H,81H,0F4H,0D4H,0B4H,0A4H,94H
DB 0E2H,01H,0E1H,0D4H,0B4H,0C4H,0B4H,04H
DB 82H,01H,81H,94H,84H,0B4H,0A4H,04H
DB 82H,01H,81H,94H,84H,0C4H,0B4H,04H
DB 82H,01H,81H,0F4H,0D4H,0B4H,0A4H,94H
DB 0E2H,01H,0E1H,0D4H,0B4H,0C4H,0B4H,04H
TABLE1: DW 64260,64400,64524,64580,64684,64777,64820,64898
DW 64968,65030,65058,65110,65157,65178,65217
END