【正文】 OV 30H,0FCH MOV 31H,5CH LJMP OSET_TIMER OKEY3: CJNE R0,0EFH,OKEY4 MOV 30H,0FCH MOV 31H,0C1H LJMP OSET_TIMER OKEY4: CJNE R0,0F7H,OKEY5 MOV 30H,0FCH MOV 31H,0EFH 15 LJMP OSET_TIMER OKEY5: CJNE R0,0FBH,OKEY6 MOV 30H,0FDH MOV 31H,045H LJMP OSET_TIMER OKEY6: CJNE R0,0FDH,OKEY7 MOV 30H,0FDH MOV 31H,92H LJMP OSET_TIMER OKEY7: CJNE R0,0FEH,OKEY8 MOV 30H,0FDH MOV 31H,0D6H LJMP OSET_TIMER OKEY8: CJNE R0,07FH,ONOKEY LOOP2:MOV R0, BUZZ CJNE R0,7DH,LOOP3 LJMP MAIN1 LOOP3: CJNE R0,0FFH,LOOP2 LJMP START OSET_TIMER: SETB TR0 SJMP OSTART ONOKEY: CLR TR0 LJMP OSTART 。 。 MAIN1: MOV 40H,00H NEXT: MOV R0, BUZZ MOV 41H,R0 ORL 41H ,0FEH MOV R0,41H CJNE R0,0FFH,STOP MOV A,40H MOV DPTR,SONG 16 MOVC A,A+DPTR CJNE A,00H,PLAY LJMP STOP PLAY: MOV R1,A ANL A,0FH MOV R2,A MOV A,R1 ANL A,0F0H CJNE A,00H,MUSIC CLR TR1 LJMP DEL MUSIC:SWAP A DEC A MOV 22H,A ADD A,22H MOV R3,A MOV DPTR,SONG1 MOVC A,A+DPTR MOV TH1,A MOV 21H,A MOV A,R3 INC A MOVC A,A+DPTR MOV TL1,A MOV 20H,A SETB TR1 DEL: LCALL DELAY INC 40H LJMP NEXT STOP: CLR TR1 LJMP START TIME1:PUSH ACC PUSH PSW CPL BUZZ1 MOV TL1,20H MOV TH1,21H POP PSW POP ACC 17 RETI DELAY:MOV R7,02H DELA1:MOV R6,125 DELA2:MOV R5,248 DJNZ R5,$ DJNZ R6,DELA2 DJNZ R7,DELA1 DJNZ R2,DELAY RET SONG1: DW 64580,64684,64777,64820 DW 64898,64968,65030,64260 DW 64400,64524,65058,63835,64021 SONG: DB 84H,94H,88H DB 64H,54H,68H DB 84H,64H,54H,44H DB 62H,82H,42H,62H,58H DB 84H,94H,88H DB 64H,54H,68H DB 84H,64H,54H,44H DB 52H,42H,52H,62H,48H DB 00H mov p1,0FFH TEST: JNB ,DO 。 是音 2 JNB ,MI 。 是音 4 JNB ,SO 。 是音 6 JNB ,SI 。 是高音 1 AJMP TEST DO: MOV r6,126 AJMP output RE: MOV r6,113 AJMP output 18 MI: MOV r6,100 AJMP output FA: MOV r6,95 AJMP output SO: MOV r6,85 AJMP output LA: MOV r6,75 AJMP output SI: MOV r6,67 AJMP output DOH: MOV r6,63 output: CLR 。 OSTART: MOV R0, BUZZ CJNE R0,0FFH,OKEY1 CLR TR0 SJMP OSTART OKEY1: CJNE R0,0BFH,OKEY2 MOV 30H,0FBH MOV 31H,0E9H LJMP OSET_TIMER OKEY2: CJNE R0,0DFH,OKEY3 MOV 30H,0FCH MOV 31H,5CH 21 LJMP OSET_TIMER OKEY3: CJNE R0,0EFH,OKEY4 MOV 30H,0FCH MOV 31H,0C1H LJMP OSET_TIMER OKEY4: CJNE R0,0F7H,OKEY5 MOV 30H,0FCH MOV 31H,0EFH LJMP OSET_TIMER OKEY5: CJNE R0,0FBH,OKEY6 MOV 30H,0FDH MOV 31H,045H LJMP OSET_TIMER OKEY6: CJNE R0,0FDH,OKEY7 MOV 30H,0FDH MOV 31H,92H LJMP OSET_TIMER OKEY7: CJNE R0,0FEH,OKEY8 MOV 30H,0FDH MOV 31H,0D6H LJMP OSET_TIMER OKEY8: CJNE R0,07FH,ONOKEY LOOP2:MOV R0, BUZZ CJNE R0,7DH,LOOP3 LJMP MAIN1 LOOP3: CJNE R0,0FFH,LOOP2 LJMP START OSET_TIMER: SETB TR0 SJMP OSTART ONOKEY: 22 CLR TR0 LJMP OSTART 。 。 MAIN1: MOV 40H,00H NEXT: MOV R0, BUZZ MOV 41H,R0 ORL 41H ,0FEH MOV R0,41H CJNE R0,0FFH,STOP MOV A,40H MOV DPTR,SONG MOVC A,A+DPTR CJNE A,00H,PLAY LJMP STOP PLAY: MOV R1,A ANL A,0FH MOV R2,A MOV A,R1 ANL A,0F0H CJNE A,00H,MUSIC CLR TR1 LJMP DEL MUSIC:SWAP A DEC A MOV 22H,A ADD A,22H MOV R3,A MOV DPTR,SONG1 MOVC A,A+DPTR MOV TH1,A MOV 21H,A MOV A,R3 INC A MOVC A,A+DPTR MOV TL1,A MOV 20H,A SETB TR1