51单片机上实现7首简单音乐的汇编代码.doc

51单片机上实现7首简单音乐的汇编代码ORG 00HJMP STARTORG 0BHJMP TIM0START:MOV TMOD,#01H MOV IE,#10000010B CLR TR0 MOV P2,#0FFH MOV A,P2 MOV P2,#0FFH RR A RR A RR A ANL A,#0FH ;将选择的音乐号放入A MOV 40H,A JB P3.3,$ ;P3.3 为起始信号 片选信号START0:MOV 30H,#00HNEXT: MOV A,40H JB P3.3,START CJNE A,#00H,MUSIC1 MOV DPTR,#TABLE ;生日快乐的TABLE JMP CONMUSIC1: CJNE A,#01,MUSIC2 MOV DPTR,#TABLE1 JMP CONMUSIC2:CJNE A,#02,MUSIC3 MOV DPTR,#TABLE2 JMP CONMUSIC3:CJNE A,#03,MUSIC4 MOV DPTR,#TABLE3 JMP CONMUSIC4:CJNE A,#04,MUSIC5 MOV DPTR,#TABLE4 JMP CONMUSIC5:CJNE A,#05,MUSIC6 MOV DPTR,#TABLE5 JMP CONMUSIC6:CJNE A,#06,MUSIC7 MOV DPTR,#TABLE6 JMP CONMUSIC7:SETB P2.6 JMP START ;共7首歌，这个时候不发音CON: MOV A,30H MOVC A,A+DPTR MOV R2,A JZ END0 ANL A,#0FH MOV R5,A MOV A,R2 SWAP A ANL A,#0FH JNZ SING CLR TR0 JMP D1SING: mov 50H,A MOV A,40H CJNE A,#00H,MODE1 MOV DPTR,#TABLE0 ;TABLE1 JMP CONTMODE1: MOV DPTR,#TABLE01CONT: MOV A,50H DEC A MOV 22H,A RL A MOVC A,A+DPTR MOV TH0,A MOV 21H,A MOV A,22H RL A INC A MOVC A,A+DPTR MOV TL0,A MOV 20H,A SETB TR0D1: CALL DELAY INC 30H JMP NEXTEND0: CLR TR0 JMP START0TIM0: PUSH ACC PUSH PSW MOV TL0,20H MOV TH0,21H CPL P2.6 POP PSW POP ACC RETIDELAY: MOV R7,#02D2: MOV R4,#125D3: MOV R3,#248 ;JB P2.7,START DJNZ R3,$ DJNZ R4,D3 DJNZ R7,D2 DJNZ R5,DELAY RETTABLE0: DW 64260,64400,64524,64580 DW 64684,64777,64820,64898 DW 64968,65030,65058,65110 DW 65157,65178,65217TABLE01: DW 64260,64400,64524,64580 DW 64684,64777,64820,64898 DW 64968,65030,65058,65110 DW 65157,65178,65217TABLE: ;生日快乐 DB 82H,01H,81H,94H,84H DB 0B4H,0A4H,04H DB 82H,01H,81H,94H,84H DB 0C4H,0B4H,04H DB 82H,01H,81H,0F4H,0D4H DB 0B4H,0A4H,94H DB 0E2H,01H,0E1H,0D4H,0B4H DB 0C4H,0B4H,04H DB 82H,01H,81H,94H,84H DB 0B4H,0A4H,04H DB 82H,01H,81H,94H,84H DB 0C4H,0B4H,04H DB 82H,01H,81H,0F4H,0D4H DB 0B4H,0A4H,94H DB 0E2H,01H,0E1H,0D4H,0B4H DB 0C4H,0B4H,04HTABLE1: ;三只小猫 DB 62H,82H,82H,62H,98h DB 92H,0B2H,0B2H,82H,98H DB 62H,82H,82H,52H,68H DB 92H,0B2H,0B2H,82H,98H DB 62H,82H,82H,62H,92H,92H,94H DB 92H,0B2H,0B2H,92H,84H,94H DB 0B8H,0B4H,04HTABLE2: ;两只老虎 DB 44H,54H,64H,44H DB 44H,54H,64H,44H DB 64H,74H,88H DB 64H,74H,88H DB 82H,92H,82H,72H,64H,44H DB 82H,92H,82H,72H,64H,44H DB 44H,84H,48H DB 44H,84H,48HTABLE3: ;哈巴狗 DB 42H,42H,42H,52H,64h,04H DB 62H,62H,62H,72H,84H,04H DB 92H,92H,82H,72H,64H,04H DB 82H,82H,52H,62H,44H,04H DB 42H,42H,42H,52H,64h,04H DB 62H,62H,62H,72H,84H,04H DB 92H,92H,82H,72H,64H,04H DB 82H,82H,52H,62H,44H,04HTABLE4: ;兰花草 DB 42H,82H,82H,82H,02H,72h DB 62H,72H,62H,52H,48H DB 0B2H,0B2H,0B2H,0B2H,0B4H,02H,0AH DB 12H,0A2H,0D2H,92H,88H DB 82H,0B2H,0B2H,0A2H,84H,02H,72H DB 62H,72H,62H,52H,44H,02H,12H DB 12H,62H,62H,52H,44H,02H,82H DB 72H,62H,52H,32H,48HTABLE5: ;妹妹背着洋娃娃 DB 84H,02H,82H,64H,54h DB 64H,54H,48H DB 64H,02H,52H,44H,24H DB 14H,24H,18H DB 24H,02H,22H,42H,24H DB 44H,54H,68H DB 54H,02H,52H,84H,84H DB 54H,64H,48HTABLE6: ;不倒翁 DB 84H