基于at89s52單片機的頻率計設計報告-資料下載頁
2025-03-23 06:32本頁面
【正文】 MOV 42H,A MOV A,B SWAP A MOV B,A MOV A,RESULT1 SWAP A ANL A,0FH ORL A,B MOV B,0AH DIV AB MOV 43H,A MOV A,B SWAP A MOV B,A MOV A,RESULT1 ANL A,0FH ORL A,B MOV B,0AH DIV AB MOV 44H,A MOV 45H,B 。個位 MOV A,40H SWAP A ADD A,41H MOV B,0AH DIV AB MOV 40H,A MOV A,B SWAP A ADD A,42H MOV B,0AH DIV AB MOV 41H,A MOV A,B SWAP A ADD A,43H MOV B,0AH DIV AB MOV 42H,A MOV A,B SWAP A ADD A,44H MOV B,0AH DIV AB MOV 43H,A MOV 44H,B 。十位 MOV A,40H SWAP A ADD A,41H MOV B,0AH DIV AB MOV 40H,A MOV A,B SWAP A ADD A,42H MOV B,0AH DIV AB MOV 41H,A MOV A,B SWAP A ADD A,43H MOV B,0AH DIV AB MOV 42H,A MOV 43H,B 。百位 MOV A,40H SWAP A ADD A,41H MOV B,0AH DIV AB MOV 40H,A MOV A,B SWAP A ADD A,42H MOV B,0AH DIV AB MOV 41H,A MOV 42H,B 。千位 MOV A,40H SWAP A ADD A,41H MOV B,0AH DIV AB MOV 41H,B 。萬位 MOV 40H,A 。十萬位 MOV R0,40H MOV DISP_COUNT,00HCHECK_ZERO: MOV A,@R0 JZ CHECK_ZERO1 JMP CHECK_ZERO2CHECK_ZERO1:INC R0 INC DISP_COUNT CJNE R0,46H,CHECK_ZEROCHECK_ZERO2:MOV A,40H ADD A,DISP_COUNT MOV R0,A MOV COM,84H LCALL WR_COMWRITE: MOV DAT,@R0 LCALL WR_DAT INC R0 CJNE R0,46H,WRITE 。MOV COM,8AH 。LCALL WR_COM MOV DPTR,TABLE CLR A MOVC A,@A+DPTR MOV DAT,A LCALL WR_DAT1 INC DPTR CLR A MOVC A,@A+DPTR MOV DAT,A LCALL WR_DAT1 RETTABLE: DB Hz END
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