main.asm

51单片机的音乐播放例程

OUT BIT P2.0

             ORG 0
             AJMP START
             ORG 0BH
             AJMP TIM0
START:       MOV TMOD,#1
             MOV IE,#10000010B
START0:      MOV 30H,#0
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
             AJMP D1
SING:        DEC A
             MOV 22H,A
             RL A
             MOV DPTR,#TABLE0
             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
             AJMP NEXT
END0:        CLR TR0
             AJMP START0
TIM0:        PUSH ACC
             PUSH PSW
             MOV TL0,20H
             MOV TH0,21H
             CPL OUT
             POP PSW
             POP ACC
             RETI
DELAY:       MOV R7,#2
D2:          MOV R4,#125
D3:          MOV R3,#248
             DJNZ R3,$
             DJNZ R4,D3
             DJNZ R7,D2
             DJNZ R5,DELAY
             RET
TABLE0:
       DW 64260,64400,64524,64580
       DW 64684,64777,64820,64898
       DW 64968,65030,65058,65110
       DW 65157,65178,65217

TABLE01:
       DW 64260,64400,64524,64580
       DW 64684,64777,64820,64898
       DW 64968,65030,65058,65110
       DW 65157,65178,65217


TABLE:                                 ;生日快乐
       DB 82H,01H,81H,94H,84H
       DB 0B4H,0A4H,04H
       DB 82H,01H,81H,94H,84H
       DB 0C4H,0B4H,04H

       DB 82H,01H,81H,0F4H,0D4H
       DB 0B4H,0A4H,94H
       DB 0E2H,01H,0E1H,0D4H,0B4H
       DB 0C4H,0B4H,04H


       DB 82H,01H,81H,94H,84H
       DB 0B4H,0A4H,04H
       DB 82H,01H,81H,94H,84H
       DB 0C4H,0B4H,04H

       DB 82H,01H,81H,0F4H,0D4H
       DB 0B4H,0A4H,94H
       DB 0E2H,01H,0E1H,0D4H,0B4H
       DB 0C4H,0B4H,04H
                                  ;三只小猫
       DB 62H,82H,82H,62H,98h
       DB 92H,0B2H,0B2H,82H,98H
       DB 62H,82H,82H,52H,68H
       DB 92H,0B2H,0B2H,82H,98H

       DB 62H,82H,82H,62H,92H,92H,94H
       DB 92H,0B2H,0B2H,92H,84H,94H
       DB 0B8H,0B4H,04H

                                  ;两只老虎
       DB 44H,54H,64H,44H
       DB 44H,54H,64H,44H
       DB 64H,74H,88H
       DB 64H,74H,88H

       DB 82H,92H,82H,72H,64H,44H
       DB 82H,92H,82H,72H,64H,44H
       DB 44H,84H,48H
       DB 44H,84H,48H

                                  ;哈巴狗
       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 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

                                 ;兰花草
       DB 42H,82H,82H,82H,02H,72h
       DB 62H,72H,62H,52H,48H
       DB 0B2H,0B2H,0B2H,0B2H,0B4H,02H,0AH

       DB 12H,0A2H,0D2H,92H,88H
       DB 82H,0B2H,0B2H,0A2H,84H,02H,72H
       DB 62H,72H,62H,52H,44H,02H,12H

       DB 12H,62H,62H,52H,44H,02H,82H
       DB 72H,62H,52H,32H,48H

                                   ;妹妹背着洋娃娃
       DB 84H,02H,82H,64H,54h
       DB 64H,54H,48H
       DB 64H,02H,52H,44H,24H
       DB 14H,24H,18H

       DB 24H,02H,22H,42H,24H
       DB 44H,54H,68H
       DB 54H,02H,52H,84H,84H
       DB 54H,64H,48H

                                       ;不倒翁
       DB 84H,94H,88H
       DB 64H,54H,68H
       DB 84H,64H,54H,44h
       DB 62H,82H,42H,62H,58H

       DB 84H,94H,88H
       DB 64H,54H,68H
       DB 84H,64H,54H,44h
       DB 52H,42H,52H,62H,48H
       DB 00
end