基于單片機(jī)控制的數(shù)字音樂(lè)盒的設(shè)計(jì)-閱讀頁(yè)
2024-09-18 10:00本頁(yè)面
【正文】 lcall MAIN0 AAA: RET 。將 BCD 嗎轉(zhuǎn)化為 ASIIC 碼 MOV P0,0C8H 。顯示小時(shí)個(gè)位 CALL ENABLE CALL WRITE2 MOV A,3AH MOV P0,0DH 。顯示分十位 CALL ENABLE CALL WRITE2 MOV A,B ADD A,30H MOV P0,0CCH 。顯示冒號(hào) CALL ENABLE CALL WRITE2 MOV A,SEC MOV B,10 DIV AB ADD A,30H MOV P0,0CEH 。顯示秒個(gè)位 CALL ENABLE CALL WRITE2 MOV P0,0C0H 。寫數(shù)據(jù) CALL WRITE1 RET 。**********************************************寫數(shù)據(jù) WRITE1: MOV R1,00H A1: MOV A,R1 MOVC A,A+DPTR CALL WRITE2 INC R1 CJNE A,0FEH,A1 。********************************************** DELAY: MOV R4,05 D1: MOV R5,0FFH DJNZ R5,$ DJNZ R4,D1 RET 。WELCOM HERE39。DFF WB 39。CAU39。 。 MAIN0: MOV TMOD,11H MOV IE,8aH 。MOV TL1, 0b0H lcall ks jnz TTM12 MOV 40H,00H 。 SING: DEC A MOV 22H,A RL A MOV DPTR,TABLE00 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 TR0 SETB TR1 W1: LCALL DELAY30 INC 40H LCALL KS 。 STOP: CLR TR0 CLR TR1 LJMP MAIN0 。 TTM2: RET 。定時(shí)器中斷子程序 0 。*************************************************** 。*************************************************** T1INT: MOV TH1, 3cH MOV TL1, 0b0H DJNZ L50MS,X4 MOV L50MS,20 。顯示秒十位 CALL ENABLE CALL WRITE2 MOV A,B ADD A,30H MOV P0,0CFH 。*************************************每分鐘刷新分顯示一次 MOV A,MIN INC A MOV MIN,A MOV B,10 DIV AB ADD A,30H MOV P0,0CBH 。顯示分個(gè)位 CALL ENABLE CALL WRITE2 MOV A,MIN MOV B,3 MUL AB MOV B,100 DIV AB MOV R2,A MOV A,10 XCH A,B DIV AB MOV A,MIN XRL A,60 JNZ OUT HOUSET: MOV MIN,00H 。將 BCD 嗎轉(zhuǎn)化為 ASIIC 碼 MOV P0,0C8H 。顯示小時(shí)個(gè)位 CALL ENABLE CALL WRITE2 MOV A,HOU 24 INC A MOV HOU,A XRL A,10 JNZ OUT SJMP OVERFLOW OUT: RETI 。 DELAY30: MOV R7,2 W2: MOV R4,125 W3: MOV R3,248 DJNZ R3,$ DJNZ R4,W3 DJNZ R7,W2 DJNZ R1,DELAY30 RET 。 。 TABLE10: DB 66H,52H,36H,22H,12H,12H,22H,32H,98H,84H,82H,92H,14H,12H,22H DB 32H,52H,22H,42H,38H,66H,52H,36H,22H,12H,22H,22H,32H,98H DB 24H,22H,32H,54H,52H,32H,92H,12H,92H,82H,98H,66H,52H,36H,22H DB 12H,12H,22H,32H,98H,84H,82H,92H,14H,12H,22H,32H,52H,22H,42H,38H DB 66H,52H,36H,22H,12H,22H,22H,32H,98H,24H,22H,32H,54H,52H,32H DB 22H,12H,92H,82H,98H,14H,24H,34H,44H,64H,0B4H,64H,32H,52H DB 62H,0B2H,62H,52H,38H,24H,22H,32H,54H,52H,62H,52H,32H,32H,22H,38H DB 64H,0B4H,64H,32H,52H,62H,0B2H,62H,52H,38H,22H,22H,22H,32H,52H,52H DB 52H,62H,7FH,74H,04H,58H,6FH DB 00 。第二首《月亮代表我的心》 。 。 TABLE30: DB 0d4H,84H,94H,82H,92H DB 12H,22H,82H,92H,02H,92H,82H,0d2H DB 82H,92H,14H,84H,02H,0d1H,0d1H DB 0c2H,0d2H,84H,0d2H,0d2H,82H,82H DB 84H,82H,82H,94H,82H,0d2H DB 82H,82H,82H,92H,02H,82H,82H,0d2H DB 0c4H,84H,0d4H,92H,0d2H DB 82H,0d2H,82H,92H,98H DB 04H,94H,88H DB 04H,94H,88H DB 04H,94H,88H DB 04H,94H,88H,04H DB 32H,32H,22H,12H,02H,92H,12H,92H DB 32H,32H,22H,12H,02H,92H,12H,92H DB 32H,32H,22H,12H,02H,92H,12H,22H DB 54H,44H,34H,12H,22H DB 34H,22H,12H,02H,92H,12H,92H DB 32H,32H,22H,12H,02H,92H,12H,92H DB 32H,32H,22H,12H,02H,92H,12H,22H DB 54H,44H,32H,22H,12H,92H DB 00 。第四首《同一首歌》 。 26 。 TABLE50: DB 82H,92H,12H,14H,12H,14H,92H,82H,12H,14H,22H,14H,92H,12H,22H,24H DB 22H,24H,12H,92H,22H,24H,32H,24H,32H,52H,62H,54H,52H,64H,52H,32H DB 22H,32H,22H,12H,94H,82H,92H,12H,14H,12H,14H,94H,1cH DB 82H,92H,12H,14H,12H,14H,92H,82H,12H,14H,22H,14H,92H,12H,22H,24H DB 22H,24H,12H,92H,22H,24H,32H,24H,32H,52H,62H,54H,52H,64H,52H,32H DB 22H,32H,22H,12H,94H,82H,92H,12H,14H,12H,14H,22H,12H,1cH,32H,52H DB 62H,64H,62H,64H,0b2H,62H,52H,54H,62H,54H,32H,22H DB 12H,14H,12H,14H,24H,3cH,32H,22H,12H,14H,12H,14H,0b2H,62H,52H,54H,62H,54H,32H,52H DB 66H,0b2H,0b4H,62H,52H,5cH,32H,52H,62H,64H,62H,64H,0b2H,62H,52H,54H DB 62H,54H,32H,22H,12H,14H,12H,14H,54H,3cH,32H,22H,12H,14H,12H,14H,22H,32H DB 52H,54H,32H,54H,32H,52H,6fH,04H,02H,92H,32H,24H,12H,1fH DB 00 。第六首《兩只蝴蝶》 。 。 TABLE70: DB 66H,52H,34H,54H,0B4H,62H,52H,68H,34H,52H,62H,54H,34H,12H,92H,52H,32H,28H DB 26H,32H,54H,52H,62H,34H,24H,18H,56H,32H,22H,12H,92H,12H,8FH DB 66H,52H,34H,54H,0B4H,62H,52H,68H,34H,52H,62H,54H,34H,12H,92H,52H,32H,28H DB 26H,32H,54H,52H,62H,34H,24H,18H,56H,32H,22H,12H,92H,12H,8FH 27 DB 66H,52H,34H,54H,0B4H,62H,52H,68H,34H,52H,62H,54H,34H,12H,92H,52H,32H,28H DB 26H,32H,54H,52H,62H,34H,24H,18H,56H,32H,22H,12H,92H,12H,8FH DB 00 。第八首歌《彩云追月》
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