微波EDA网,见证研发工程师的成长!
首页 > 硬件设计 > 模拟电路设计 > 单片机学习知识点全攻略(完结篇)(三)

单片机学习知识点全攻略(完结篇)(三)

时间:11-14 来源:互联网 点击:

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

  音乐程序汇编代码代码2 -------------Voice1.asm--------------------------

  ;标题 ‘八月桂花香’发声程序

  ;摘要 详见‘无线电’92年3期

  ;作者 周振安

  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 P1.0

  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 18H, 30H, 1CH, 10H

  DB 20H, 40H, 1CH, 10H

  DB 18H, 10H, 20H, 10H

  DB 1CH, 10H, 18H, 40H

  DB 1CH, 20H, 20H, 20H

  DB 1CH, 20H, 18H, 20H

  DB 20H, 80H, 0FFH, 20H

  DB 30H, 1CH, 10H , 18H

  DB 20H, 15H, 20H , 1CH

  DB 20H, 20H, 20H , 26H

  DB 40H, 20H , 20H , 2BH

  DB 20H, 26H, 20H , 20H

  DB 20H, 30H , 80H , 0FFH

  DB 20H, 20H, 1CH , 10H

  DB 18H, 10H, 20H , 20H

  DB 26H, 20H , 2BH , 20H

  DB 30H, 20H , 2BH , 40H

  DB 20H, 20H , 1CH , 10H

  DB 18H, 10H, 20H, 20H

  DB 26H, 20H , 2BH, 20H

  DB 30H, 20H, 2BH , 40H

  DB 20H, 30H, 1CH , 10H

  DB 18H, 20H , 15H , 20H

  DB 1CH, 20H , 20H , 20H

  DB 26H, 40H, 20H , 20H

  DB 2BH, 20H, 26H , 20H

  DB 20H, 20H, 30H , 80H

  DB 20H, 30H, 1CH , 10H

  DB 20H, 10H, 1CH , 10H

  DB 20H, 20H, 26H , 20H

  DB 2BH, 20H, 30H , 20H

  DB 2BH, 40H, 20H , 15H

  DB 1FH, 05H, 20H , 10H

  DB 1CH, 10H, 20H , 20H

  DB 26H, 20H, 2BH , 20H

  DB 30H, 20H, 2BH , 40H

  DB 20H, 30H, 1CH , 10H

  DB 18H, 20H , 15H , 20H

  DB 1CH, 20H , 20H , 20H

  DB 26H, 40H, 20H , 20H

  DB 2BH, 20H, 26H , 20H

  DB 20H, 20H, 30H, 30H

  DB 20H, 30H, 1CH, 10H

  DB 18H, 40H, 1CH, 20H

  DB 20H, 20H, 26H, 40H

  DB 13H, 60H, 18H , 20H

  DB 15H, 40H, 13H , 40H

  DB 18H, 80H, 00H

  end

Copyright © 2017-2020 微波EDA网 版权所有

网站地图

Top