單片機(jī)課程設(shè)計(jì)(8413)-資料下載頁(yè)
2025-06-26 04:01本頁(yè)面
【正文】 OVC A,@A+DPTR MOV 42H,A RETI BB:MOV R1,56H MOV A,@R1 MOV DPTR,NTAB MOVC A,@A+DPTR MOV 43H,A INC @R1 INC R1 MOV A,@R1 MOV R3,A DJNZ R3,BSHIWEI MOV @R1,0AH MOV 56H,00H INC R1 INC @R1 AJMP BSHIWEIJIA BSHIWEI: MOV A,R3 MOV @R1,A INC R1 MOV A,@R1 MOV DPTR,TABLE MOVC A,@A+DPTR MOV 44H,A INC R1 MOV A,@R1 MOV R3,A BBAIWEI:MOV A,R3 MOV @R1,A INC R1 MOV A,@R1 MOV DPTR,TABLE MOVC A,@A+DPTR MOV 45H,A RETIBSHIWEIJIA:MOV A,@R1 MOV DPTR,TABLE MOVC A,@A+DPTR MOV 44H,A INC R1 MOV A,@R1 MOV R3,A DJNZ R3,BBAIWEI MOV @R1,0AH MOV 58H,00H INC R1 INC @R1 AJMP BBAIWEIJIABBAIWEIJIA: MOV A,@R1 MOV DPTR,TABLE MOVC A,@A+DPTR MOV 45H,A RETI DELAY: MOV R5,20D1: MOV R6,20D2: MOV R7,10 DJNZ R7,$ DJNZ R6,D2 DJNZ R5,D1 RET NTAB: db 0f9h,0a4h,0b0h,99h,92h,82h,0f8h,80h,90h,0C0H table:db 0c0h,0f9h,0a4h,0b0h,99h,92h,82h,0f8h,80h,90h,0C0H END
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