單片機(jī)課程設(shè)計(jì)音樂播放器報(bào)告-單片機(jī)-文庫吧資料
2025-01-27 08:06本頁面
【正文】 0H,0F10H,1110H,1310H,1408H,1108H DW 1008H,0F10H,0D10H,0F10H,0F08H,1010H,0F08H,0F40H DW 0001H 。 TAB3: DW 0608H,0A08H,0A08H,0A08H,0A18H,0908H,0808H,0908H DW 0808H,0708H,0620H,0D08H,0D08H,0D08H,0D08H,0D18H DW 0C08H,0A08H,0C08H,0C08H,0B08H,0A20H,0A08H,0D08H DW 0D08H,0C08H,0A18H,0908H,0808H,0908H,0808H,0708H DW 0610H,0310H,0308H,0808H,0808H,0708H,0618H,0A08H DW 0908H,0808H,0708H,0508H,0620H,0908H,0808H,0708H DW 0508H,0640H,0001H 。 TAB2: DW 0910H,0A08H,0C08H,0C08H,0A18H,0010H,0C08H,0A08H DW 0908H,0C08H,0C20H,0D08H,0E08H,0F08H,0F08H,0F08H DW 0E08H,0F18H,0E04H,0E08H,0E08H,0C08H,0A08H,0A20H DW 0C08H,0A08H,0C08H,0D08H,0D18H,0C08H,0D08H,0C08H DW 0C08H,0808H,0820H,0608H,0808H,0A08H,0908H,0608H 10 DW 0A08H,0908H,0608H,0A08H,0908H,0608H,0D10H,0C20H DW 0001H 。 TAB1: DW 64021,64185,64331,64400,64524,64632,64732 DW 64777,64860,64934,64968,65030,65085,65134 DW 65157,65198,65235,65252,65283,65310,65335 。第 2 首歌曲首址送 DPTR MOV P1,06H GONG: MOV 30H,DPL MOV 31H,DPH AJMP START1 MUSIC3: MOV DPTR,TAB3 MOV P1,5BH SJMP GONG MUSIC4: MOV DPTR,TAB4 MOV P1,4FH SJMP GONG MUSIC5: MOV DPTR,TAB5 MOV P1,66H SJMP GONG 。開中斷 JMP A+DPTR 。將歌曲排列表裝入 DPTR MOV A,R5 。歌曲向上進(jìn)一首 SJMP KEYWORK NEXT: CLR EA JNB ,$ CJNE R5,04H,LAST MOV R5,00H LJMP KEYWORK LAST: INC R5 。不是第一首歌曲轉(zhuǎn) ZER0 MOV R5,04H 。關(guān)中斷 JNB ,$ 。下一曲開關(guān)按下轉(zhuǎn) NEXT DJNZ R2,DELAY1 RET AGAIN: JNB ,$ 。重復(fù)正播放的曲子 JNB ,FORM 。開 T0 定時(shí)器 LOOP2: ACALL DELAY DJNZ R1,LOOP2 AJMP START1 TIM0: MOV TL0,20H MOV TH0,21H CPL RETI 。計(jì)算音符 MOV A,R0 MOV B,02H MUL AB MOV R0,A MOVC A,A+DPTR 。調(diào)用延時(shí)子程序 DJNZ R1,LOOP1 SJMP START1 SING: MOV DPTR,TAB1 。結(jié)束歌曲計(jì)數(shù)器加 1 ELECT: JZ START 。節(jié)拍數(shù)據(jù)送 R1嶄存 INC DPTR MOV 30H,DPL MOV 31H,DPH CJNE A,01H,ELECT 。音符數(shù)據(jù)送 R0嶄存 MOV A,00H INC DPTR MOVC A,A+DPTR 。8 位隨機(jī)數(shù)由 P2 口輸出 MOV P2,A MOV DPL,30H MOV DPH,31H 7 MOV A,00H MOVC A,A+DPTR
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