main.asm

很实用的单片机例程

  count equ 40h
  Addr  equ 42h
  temp1 equ 43h
  temp2 equ 44h
  Speak bit P2.3

       org     0000h
       ajmp     main
       org      000bH               ;int0中断地址
       ajmp     Time0_Int
main:  mov	TMOD,#01h;
       mov	IE ,#82h;
       mov	TH0,#0D8h;
       mov	TL0,#0EFh;



main3: mov count,#0
       mov Addr,#0
main1: mov a,addr
       MOV DPTR,#song
       MOVC A,@A+DPTR
       mov temp1,a
       inc addr

       cjne a,#0ffh,loop1
       mov  TR0,#0h;
       mov 50h,#100
       call Delayxms
       ajmp main1
loop1: cjne a,#00h,loop12
       ajmp main3

loop12:mov a,addr
       MOV DPTR,#song
       MOVC A,@A+DPTR
       mov temp2,a
       mov tcon,#10h
       inc addr

main2: cpl speak
       mov 50h,temp1
       call delayxms
       mov a,temp2
       cjne a,count,loop3
       mov count,#0
       ajmp main1
loop3: ajmp main2





delayxms:mov 52h,#1         ;50h,51h,52h用于延时  50h为参数x  延时1*x ms
delaya: mov 51h,#16
        djnz 51h,$
        djnz 52h,delaya
        djnz 50h,delayxms
        ret ;延时返回

Time0_Int:mov TH0,#0d8h;
	mov TL0,#0EFh
	inc Count
        reti


SONG:     ;祝你平安
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,                              ;路边野花不要采

db 30h,1Ch,10h,20h,40h,1Ch,10h,18h,10h,20h,10h,1Ch,10h,18h,40h,1Ch,
db 20h,20h,20h,1Ch,20h,18h,20h,20h,80h,0FFh,20h,30h,1Ch,10h,18h,20h,
db 15h,20h,1Ch,20h,20h,20h,26h,40h,20h,20h,2Bh,20h,26h,20h,20h,20h,
db 30h,80h,0FFh,20h,20h,1Ch,10h,18h,10h,20h,20h,26h,20h,2Bh,20h,30h,
db 20h,2Bh,40h,20h,20h,1Ch,10h,18h,10h,20h,20h,26h,20h,2Bh,20h,30h,
db 20h,2Bh,40h,20h,30h,1Ch,10h,18h,20h,15h,20h,1Ch,20h,20h,20h,26h,
db 40h,20h,20h,2Bh,20h,26h,20h,20h,20h,30h,80h,20h,30h,1Ch,10h,20h,
db 10h,1Ch,10h,20h,20h,26h,20h,2Bh,20h,30h,20h,2Bh,40h,20h,15h,1Fh,
db 05h,20h,10h,1Ch,10h,20h,20h,26h,20h,2Bh,20h,30h,20h,2Bh,40h,20h,
db 30h,1Ch,10h,18h,20h,15h,20h,1Ch,20h,20h,20h,26h,40h,20h,20h,2Bh,
db 20h,26h,20h,20h,20h,30h,30h,20h,30h,1Ch,10h,18h,40h,1Ch,20h,20h,
db 20h,26h,40h,13h,60h,18h,20h,15h,40h,13h,40h,18h,80h,00h,