大学毕业论文-—超声波测距系统 下载本文

DJNZ 46H,DIVLOOP1 MOV A,R4 RLC

A

MOV R4,A MOV A,R5 RLC

A

MOV R5,A MOV A,R6 RLC RET

A

NUMTAB: DB

0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H,0FFH,88H,0BFH

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