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            EEPW首頁 > 嵌入式系統(tǒng) > 設(shè)計應(yīng)用 > 第12個試驗:單片機(jī)唱歌---“祝你平安”

            第12個試驗:單片機(jī)唱歌---“祝你平安”

            作者: 時間:2011-02-25 來源:網(wǎng)絡(luò) 收藏

            下面是他的asm源程序和hex程序(asm程序可以用配套光盤的uvw51e 編輯后得到hex,當(dāng)然下面的hex也可以直接復(fù)制到記事本后存為txt,直接燒入芯片。注意XP套件支持文本燒寫方式。倚天版套件必須匯編。配套光盤里已經(jīng)有匯編好的HEX,可以直接使用。)

            ORG 0000H
            LJMP START
            ORG 000BH
            INC 20H ;中斷服務(wù),中斷計數(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 ;中斷計數(shù)器清0
            MOV B,#00H ;表序號清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 ;啟動計數(shù)
            MUSIC2:
            NOP
            CPL P3.3
            MOV A,R6
            MOV R3,A
            LCALL DEL
            MOV A,R7
            CJNE A,20H,MUSIC2 ;中斷計數(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



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