求STC89C52单片机的蜂鸣器演奏 (歌曲随便)C程序

如题邮箱lixinnan88@126.com各位大虾注意是C程序啊... 如题
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sd5273202
2010-05-11 · TA获得超过202个赞
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  蜂鸣器唱《祝你平安》 *
  ; *
  ;********************************************************************************/
  SPK bit P2.3

  ORG 0000H
  LJMP START
  ORG 000BH
  INC 20H ;中断服务,中断计数器加1
  MOV TH0,#0D8H
  MOV TL0,#0EFH ;12M晶振,形成10毫秒中断
  RETI

  START:
  MOV SP,#50H
  MOV TH0,#0D8H
  MOV TL0,#0EFH
  MOV TMOD,#01H
  MOV IE,#82H
  MUSIC0:
  NOP
  MOV DPTR,#DAT ;表头地址送DPTR
  MOV 20H,#00H ;中断计数器清0
  MOV B,#00H ;表序号清0
  MUSIC1:
  NOP
  CLR A
  MOVC A,@A+DPTR ;查表取代码
  JZ END0 ;是00H,则结束
  CJNE A,#0FFH,MUSIC5
  LJMP MUSIC3
  MUSIC5:
  NOP
  MOV R6,A
  INC DPTR
  MOV A,B
  MOVC A,@A+DPTR ;取节拍代码送R7
  MOV R7,A
  SETB TR0 ;启动计数
  MUSIC2:
  NOP
  CPL SPK
  MOV A,R6
  MOV R3,A
  LCALL DEL
  MOV A,R7
  CJNE A,20H,MUSIC2 ;中断计数器(20H)=R7否?
  ;不等,则继续循环
  MOV 20H,#00H ;等于,则取下一代码
  INC DPTR
  ; INC B
  LJMP MUSIC1
  MUSIC3:
  NOP
  CLR TR0 ;休止100毫秒
  MOV R2,#0DH
  MUSIC4:
  NOP
  MOV R3,#0FFH
  LCALL DEL
  DJNZ R2,MUSIC4
  INC DPTR
  LJMP MUSIC1
  END0:
  NOP
  MOV R2,#64H ;歌曲结束,延时1秒后继续
  MUSIC6:
  MOV R3,#00H
  LCALL DEL
  DJNZ R2,MUSIC6
  LJMP MUSIC0
  DEL:
  NOP
  DEL3:
  MOV R4,#02H
  DEL4:
  NOP
  DJNZ R4,DEL4
  NOP
  DJNZ R3,DEL3
  RET
  NOP
  DAT:
  db 26h,20h,20h,20h,20h,20h,26h,10h,20h,10h,20h,80h,26h,20h,30h,20h
  db 30h,20h,39h,10h,30h,10h,30h,80h,26h,20h,20h,20h,20h,20h,1ch,20h
  db 20h,80h,2bh,20h,26h,20h,20h,20h,2bh,10h,26h,10h,2bh,80h,26h,20h
  db 30h,20h,30h,20h,39h,10h,26h,10h,26h,60h,40h,10h,39h,10h,26h,20h
  db 30h,20h,30h,20h,39h,10h,26h,10h,26h,80h,26h,20h,2bh,10h,2bh,10h
  db 2bh,20h,30h,10h,39h,10h,26h,10h,2bh,10h,2bh,20h,2bh,40h,40h,20h
  db 20h,10h,20h,10h,2bh,10h,26h,30h,30h,80h,18h,20h,18h,20h,26h,20h
  db 20h,20h,20h,40h,26h,20h,2bh,20h,30h,20h,30h,20h,1ch,20h,20h,20h
  db 20h,80h,1ch,20h,1ch,20h,1ch,20h,30h,20h,30h,60h,39h,10h,30h,10h
  db 20h,20h,2bh,10h,26h,10h,2bh,10h,26h,10h,26h,10h,2bh,10h,2bh,80h
  db 18h,20h,18h,20h,26h,20h,20h,20h,20h,60h,26h,10h,2bh,20h,30h,20h
  db 30h,20h,1ch,20h,20h,20h,20h,80h,26h,20h,30h,10h,30h,10h,30h,20h
  db 39h,20h,26h,10h,2bh,10h,2bh,20h,2bh,40h,40h,10h,40h,10h,20h,10h
  db 20h,10h,2bh,10h,26h,30h,30h,80h,00H

  END
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aheng365
2010-05-12 · TA获得超过141个赞
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给个邮箱我给你发一份。包括代码和proteus仿真电路
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