1、蜂鳴器奏樂(祝你平安)

ORG 0000H
LJMP START
ORG 000BH
INC 20H ;中斷服務(wù),中斷計(jì)數(shù)器加1
MOV TH0,#0D8H
MOV TL0,#0EFH ;12M晶振，形成10毫秒中斷
RETI
START:
MOV SP,#50H
MOV TH0,#0D8H
MOV TL0,#0EFH
MOV TMOD,#01H
MOV IE,#82H
MUSIC0:
NOP
MOV DPTR,#DAT ;表頭地址送DPTR
MOV 20H,#00H ;中斷計(jì)數(shù)器清0
MOV B,#00H ;表序號(hào)清0
MUSIC1:
NOP
CLR A
MOVC A,@A+DPTR ;查表取代碼
JZ END0 ;是00H,則結(jié)束
CJNE A,#0FFH,MUSIC5
LJMP MUSIC3
MUSIC5:
NOP
MOV R6,A
INC DPTR
MOV A,B
MOVC A,@A+DPTR ;取節(jié)拍代碼送R7
MOV R7,A
SETB TR0 ;啟動(dòng)計(jì)數(shù)
MUSIC2:
NOP
CPL P3.7
MOV A,R6
MOV R3,A
LCALL DEL
MOV A,R7
CJNE A,20H,MUSIC2 ;中斷計(jì)數(shù)器(20H)=R7否?
;不等,則繼續(xù)循環(huán)
MOV 20H,#00H ;等于,則取下一代碼
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 ;歌曲結(jié)束,延時(shí)1秒后繼續(xù)
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
?

2、蜂鳴器奏樂(八月桂花香)

;**********************************************************
?? ORG 0000H
?? LJMP START
?? ORG 000BH???????????? ;中斷入口
?? INC 20H?????????????? ;中斷服務(wù)程序,中斷計(jì)數(shù)器加1
?? MOV TH0,#0D8H
?? MOV TL0,#0EFH???????? ;12M晶振，形成10毫秒中斷
?? RETI
START:
?? MOV SP,#50H
?? MOV TH0,#0D8H
?? MOV TL0,#0EFH
?? MOV TMOD,#01H
?? MOV IE,#82H
MUSIC0:
?? NOP
?? MOV DPTR,#DAT??????? ;表頭地址送DPTR
?? MOV 20H,#00H???????? ;中斷計(jì)數(shù)器清0
?? MOV B,#00H?????????? ;表序號(hào)清0
MUSIC1:
?? NOP
?? CLR A
?? MOVC A,@A+DPTR?????? ;查表取代碼
?? JZ END0????????????? ;是00H,則結(jié)束
?? CJNE A,#0FFH,MUSIC5
?? LJMP MUSIC3
MUSIC5:
?? NOP
?? MOV R6,A
?? INC DPTR
?? MOV A,B
?? MOVC A,@A+DPTR?????? ;取節(jié)拍代碼送R7
?? MOV R7,A
?? SETB TR0???????????? ;啟動(dòng)計(jì)數(shù)
MUSIC2:
?? NOP
?? CPL P3.7
?? MOV A,R6
?? MOV R3,A
?? CPL A
?? MOV P1,A???????????? ;顯示(修改者加入的顯示)
?? CPL A
?? LCALL DEL
?? MOV A,R7
?? CJNE A,20H,MUSIC2??? ;中斷計(jì)數(shù)器(20H)=R7否?
??????????????????????? ;不等,則繼續(xù)循環(huán)
?? MOV 20H,#00H???????? ;等于,則取下一代碼
?? INC DPTR
?? 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????????? ;歌曲結(jié)束,延時(shí)1秒后繼續(xù)
MUSIC6:
?? MOV R3,#00H
?? LCALL DEL
?? DJNZ R2,MUSIC6
?? LJMP MUSIC0
DEL:
?? NOP
DEL3:
?? MOV R4,#05H
DEL4:
?? NOP
?? DJNZ R4,DEL4
?? NOP
?? DJNZ R3,DEL3
?? RET
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
?

3、蜂鳴器奏樂(生日快樂)

;本程序?qū)崿F(xiàn)蜂鳴器演奏歌曲功能
;樂曲名稱:生日快樂
;///////////////////////////////////////////
?BUZZER EQU P3.7
?org?0000h??;主程序起始地址
?ajmp?main??;跳至主程序
?org?000bh??;timer0中斷起始地址
?jmp?tim0??;跳至timer0中斷子程序
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
?org?0030h
main:
?mov?tmod,#01h?;設(shè)timer0在MODE1
?mov?ie,#82h??;中斷使能
start0:
?mov?30h,#00h?;取簡(jiǎn)譜碼指針
next:?mov?a,30h??;簡(jiǎn)譜碼指針載入A
?mov?dptr,#table?;至table取簡(jiǎn)譜碼
?movc?a,@a+dptr
?mov?r2,a??;取到的簡(jiǎn)譜碼暫存于R2
?jz?end0??;是否取到00(結(jié)束碼)?
?anl?a,#0fh??;不是,則取低4位(節(jié)拍碼)
?mov?r5,a??;將節(jié)拍碼存入R5
?mov?a,r2??;將取到的簡(jiǎn)譜碼再載入A
?swap?a??;高低四位交換
?anl?a,#0fh??;取低四位(音符碼)
?jnz?sing??;取到的音符碼是否為零?
?clr?tr0??;是,則不發(fā)音
?jmp?d1
sing:?dec?a??;取到的音符碼減1(不含0).
?mov?22h,a??;存入(22H).
?rl?a??;乘2
?mov?dptr,#table1?;至table1取相對(duì)的高位字節(jié)計(jì)數(shù)值
?movc?a,@a+dptr
?mov?th0,a??;取到的高位字節(jié)存入TH0
?mov?21h,a??;取到的高位字節(jié)存入(21H)
?mov?a,22h??;再載入取的的音符碼
?rl?a??;乘2
?inc?a??;加1
?movc?a,@a+dptr?;至table1取相對(duì)的低位字節(jié)計(jì)數(shù)值
?mov?tl0,a??;取到的高位字節(jié)存入TL0??
?mov?20h,a?????????? ;取到的高位字節(jié)存入(20H)
?setb?tr0??;啟動(dòng)timer0
d1:?call?delay??;基本單位時(shí)間1/4拍187毫秒
?inc?30h??;取簡(jiǎn)譜碼指針加1
?jmp?next??;取下一個(gè)碼
end0:?clr?tr0??;停止timer0
?jmp?start0??;重復(fù)循環(huán)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;time0中斷服務(wù)子程序用來產(chǎn)生相應(yīng)的音調(diào)脈沖頻率。
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
tim0:
?push?acc??;將A的值暫存于堆棧
?push?psw??;將psw的值暫存于堆棧
?mov?tl0,20h??;重設(shè)計(jì)數(shù)值
?mov?th0,21h
?cpl?BUZZER??;將蜂鳴器反相
?pop?psw??;至堆棧取回psw的值
?pop?acc??;至堆棧取回a的值
?reti???;返回主程序
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
delay:?mov?r7,#02h??;187毫秒
d2:?mov?r4,#187
d3:?mov?r3,#248
?djnz?r3,$
?djnz?r4,d3
?djnz?r7,d2
?djnz?r5,delay?;決定節(jié)拍
?ret
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
table1:
?dw?64260,64400,64524,64580
?dw?64684,64777,64820,64898
?dw?64968,65030,65058,65110
?dw?65157,65178,65217
table:
?;1
?db?82h,01h,81h,94h,84h,0b4h,0a4h,04h,82h,01h,81h,94h,84h,0c4h,0b4h,04h
?;2
?db?82h,01h,81h,0f4h,0d4h,0b4h,0a4h,94h,0e2h,01h,0e1h,0d4h,0b4h,0c4h,0b4h,04h
?;3
?db?82h,01h,81h,94h,84h,0b4h,0a4h,04h,82h,01h,81h,94h,84h,0c4h,0b4h,04h
?;4
?db?82h,01h,81h,0f4h,0d4h,0b4h,0a4h,94h,0e2h,01h,0e1h,0d4h,0b4h,0c4h,0b4h,04h,00
?end
?

4、蜂鳴器奏樂

SPK?EQU?P3.7???; 蜂鳴器所在端口
?ORG?0000H
?JMP?START
?
START:
?MOV?R3,#00H
NEXT:
?MOV?A,R3
?MOV?DPTR,#TABLE
?MOVC?A,@A+DPTR
?JZ?START
?MOV?R7,A
?INC?R3
?MOV?A,R3
?MOVC?A,@A+DPTR
?MOV?R2,A
?ACALL?SONG
?INC?R3
?SJMP?NEXT

;===============================================================================?
;===? 歌曲播放子程序 ===
SONG:
?MOV?A,R2?????; 取出節(jié)拍
?RL?A
?JNZ?KEEP
?MOV?A,#01H
KEEP:
?MOV?R2,A
REPEAT:
?ACALL?EIGHTH
?DJNZ?R2,REPEAT
?RET
?
;===============================================================================?
;===? 產(chǎn)生1/8拍延時(shí)子程序? ===??
EIGHTH:
?MOV?A,R7?????; 查表取出廷時(shí)參數(shù),保存到R4
?MOV?DPTR,#DELAY_T
?MOVC?A,@A+DPTR
?MOV?R4,A
?MOV?A,R7?????; 查表取出1/8拍周期數(shù),保存到R5
?MOV?DPTR,#S_PARA
?MOVC?A,@A+DPTR
?MOV?R5,A
NEXTCYC:
?ACALL?SOUND
?DJNZ?R5,NEXTCYC
?RET
?
;===============================================================================?
;===? 發(fā)聲子程序 ===?
SOUND:
?SETB?SPK
?ACALL?SDELAY
?CLR?SPK
?ACALL?SDELAY
?RET
?
;===============================================================================?
;===? 延時(shí)子程序? ===
SDELAY:
?MOV?A,R4?????; 廷時(shí)值在R4內(nèi)
?MOV?R0,A
XL2:
?MOV?R1,#03H
DL1:
?NOP
?DJNZ?R1,DL1
?DJNZ?R0,XL2
?RET
;===============================================================================?
;===? 1/8拍周期表? ===
S_PARA:
?DS?1DH
?DB?15H,16H,00
?DB?19H,00H,1CH,00H,1FH,21H,00H,25H
?DB?00H,29H,2CH,00H,31H,34H,37H,00H
?DB?3EH,41H,00H,49H,00H,52H,57H,00H
?DB?62H
?
;===============================================================================?
;===? 延時(shí)參數(shù)表? ===
DELAY_T:
?DS?1DH
?DB?7EH,77H,00H
?DB?6AH,00H,5EH,00H,54H,4FH,00H,46H
?DB?00H,3FH,3BH,00H,35H,32H,2FH,00H
?DB?2AH,27H,00H,23H,00H,1FH,1DH,0C0H
?DB?1AH
?
;===============================================================================?
;===? 歌曲表? ===
TABLE:
?DW?2202H,2902H,2902H,2902H,2906H,2702H?;我從山中來
?DW?2502H,2702H,2502H,2402H,2208H??;帶著蘭花草
?DW?2E02H,2E02H,2E02H,2E02H,2E06H,2C02H?;種在小園中
?DW?2902H,2C02H,2D02H,2A02H,2908H??;祈禱花開早
?DW?2902H,2E02H,2E02H,2C02H,2906H,2702H?;一日看三回
?DW?2502H,2702H,2502H,2402H,2206H,1D02H?;看得花時(shí)過
?DW?1D02H,2502H,2502H,2402H,2206H,2902H?;蘭花卻依然
?DW?2702H,2502H,2402H,2002H,2208H??;苞也無(wú)一個(gè)
?DW?0000H?????;
?
?END?

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