【正文】 MOV R6,0 SET_TAB: MOV A,R5 MOVC A,A+DPTR MOV R0,A INC R5 INC R0 MOV A,R5 MOVC A,A+DPTR MOV R0,A INC R5 INC R0 MOV A,R5 MOVC A,A+DPTR MOV R0,A INC R0 INC R5 MOV A,R5 MOVC A,A+DPTR MOV R0,A INC R0 INC R5 INC R6 CJNE R6,N,SET_TAB START:MOV TMOD, 61H MOV TH1,0FFH MOV TL1,0FFH SETB ET1 SETB ET0 CLR PT0 SETB PT1 SETB IT0 SETB PX0 SETB IT1 SETB PX1 SETB EX1 SETB EX0 SETB EA SETB TR1 CLR OUT CLR F0 MOV R7,00H START0:MOV R4,00H MOV R0,30H MOV A,R7 ADD A,R0 MOV R0,A MOV DPH,R0 INC R0 MOV DPL,R0 INC R0 MOV A,R4 INC R4 MOVC A,A+DPTR MOV 26H,A NEXT: MOV R0,30H MOV A,R7 ADD A,R0 MOV R0,A MOV DPH,R0 INC R0 MOV DPL,R0 INC R0 MOV A,R4 INC R4 MOVC A,A+DPTR JZ END0 MOV R1,A ANL A,0FH MOV R2,A MOV A,R1 SWAP A ANL A,0FH JNZ SING CLR TR0 SJMP SING1SING: DEC A MOV R3,A RL A MOV DPH,R0 INC R0 MOV DPL,R0 INC R0 MOVC A,A+DPTR MOV 21H,A MOV TH0,A MOV A,R3 RL A INC A MOVC A,A+DPTR MOV 20H,A MOV TL0,A SETB TR0 SING1:LCALL DELAY JB F0,FOR AJMP NEXT FOR: CLR TR0 JB F0,$ AJMP NEXT END0: CLR TR0 MOV A,22H CJNE A,N,XIAQU LJMP STARTXIAQU:MOV A,R7 ADD A,4 MOV R7,A INC 22H AJMP START0F_T0: MOV TH0,21H MOV TL0,20H CPL OUT RETINEXT_SONG: PUSH ACC PUSH DPH PUSH DPL CLR EA MOV A,22H CJNE A,N,Q MOV R7,00H MOV 22H,01 AJMP RQ: INC 22H MOV A,R7 ADD A,4 MOV R7,AR: MOV B,R0 MOV R4,00H MOV R0,30H MOV A,R7 ADD A,R0 MOV R0,A MOV DPH,R0 INC R0 MOV DPL,R0 INC R0 MOV A,R4 INC R4 MOVC A,A+DPTR MOV 26H,A DEC R4 MOV R0,B POP DPL POP DPH POP ACC SETB EA RETI LAST_SONG: PUSH ACC PUSH DPH PUSH DPL CLR EA MOV A,22H CJNE A,1,S MOV 22H,4 MOV R7,12 JMP TS: DEC 22H MOV A,R7 SUBB A,4 MOV R7,AT: MOV B,R0 MOV R4,00H MOV R0,30H MOV A,R7 ADD A,R0 MOV R0,A MOV DPH,R0 INC R0 MOV DPL,R0 INC R0 MOV A,R4 INC R4 MOVC A,A+DPTR MOV 26H,A DEC R4 MOV R0,B POP DPL POP DPH POP ACC SETB EA RETI START_PAUSE:CPL F0 JB F0,RETURN1 SETB TR0 RETURN1:RETI DELAY: MOV 27H,26H D2: MOV 28H,25D3: MOV 29H,29 DJNZ 29H,$ DJNZ 28H,D3 DJNZ 27H,D2 DJNZ R2,DELAY RETTABLE: DW SONG1,TABLE1,SONG2,TABLE2,SONG3,TABLE3,SONG4,TABLE4 TABLE2:DW 64580,64684,64777,64820 DW 64898,64968,65030,64260 DW 64400,64524,65058,63835,64021 SONG2: 。月亮代表我的心DB 16H,32H,54H,02H,52HDB 0A6H,32H,54H,02H,52HDB 64H,74H,0B6H,64HDB 52H,5CH,32H,22HDB 16H,12H,14H,32H,22HDB 16H,12H,14H,22H,32HDB 26H,12H,94H,22H,32HDB 2CHDB 32H,52HDB 36H,22H,14H,54HDB 0ACH,92H,0A2HDB 96H,0A2H,96H,82HDB 3CH,54HDB 36H,22H,14H,54HDB 0ACH,92H,0A2HDB 16H,12H,14H,22H,32HDB 2CH,02H,82HDB 16H,32H,56H,12HDB 0A6H,32H,56H,52HDB 66H,72H,0B6H,62HDB 62H,52H,58H,32H,22HDB 16H,12H,14H,32H,22HDB 16H,12H,14H,22H,32HDB 26H,92H,0A4H,12H,22HDB 1CHDB 00TABLE3: DW 64580,64684,64777,64820 DW 64898,64968,65030,64260 DW 64400,64524,65058,63835,64021 SONG3: DB 0d4H,84H,94H,82H,92H 。大海DB 22H,24H,12H,92H,22H,24H,32H,24H,32H,52H,62H,54H,52H,64H,52H,32HDB 22H,32H,22H,12H,94H,82H,92H,12H,14H,12H,14H,94H,1cHDB 82H,92H,12H,14H,12H,14H,92H,82H,12H,14H,22H,14H,92H,12H,22H,24HDB 22H,24H,12H,92H,22H,24H,32H,24H,32H,52H,62H,54H,52H,64H,52H,32HDB 22H,32H,22H,12H,94H,82H,92H,12H,14H,12H,14H,22H,12H,1cH,32H,52HDB 62H,64H,62H,64H,0b2H,62H,52H,54H,62H,54H,32H,22HDB 12H,14H,12H,14H,24H,3cH,32H,22H,12H,14H,12H,14H,0b2H,62H,52H,54H,62H,54H,32H,52HDB 66H,0b2H,0b4H,62H,52H,5cH,32H,52H,62H,64H,62H,64H,0b2H,62H,52H,54HDB 62H,54H,32H,22H,12H,14H,12H,14H,54H,3cH,32H,22H,12H,14H,12H,14H,22H,32HDB 52H,54H,32H,54H,32H,52H,6fH,04H,02H,92H,32H,24H,12H,1fHDB 00E