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P. 86
MOV A,R3
ANL A,#0FH
ADD A,R4
MOV P1,A
RD5: MOV A,R3 ;讀入時之十位值初始設定值
ANL A,#0FH
ADD A,R5 ;轉換為十進制值儲存
MOV R1,A ;讀入時之個位值初始設定值
MOV A,P3
CPL A
MOV R3,A
ANL A,#80H
JZ RD5
MOV A,R3
ANL A,#0FH
MOV B,#16
MUL AB
MOV P0,A
MOV R4,A
RD6: MOV A,R3
ANL A,#0FH
MOV B,#10
MUL AB
MOV R5,A
MOV A,P3
CPL A
MOV R3,A
ANL A,#40H
JZ RD6
MOV A,R3
ANL A,#0FH
ADD A,R4
MOV P0,A
MOV A,R3
ANL A,#0FH
