华南农业大学历年单片机期末考试试卷汇总(19)

LJMP MAIN

ORG 0003H

LJMP AINT0

ORG 0013H

LJMP BINT1 MAIN: MOV IE,#83H

SETB IT0

SETB IT1

MOV R0,#00H

MOV DPTR,#TAB

UP: MOV A,R0 MOVC A,@A+DPTR

MOV P1,A

SJMP UP

AINT0: INC R0 CJNE R0,#10,AINT01

MOV R0,#0

AINT01: RETI

BINT1: DEC R0 CJNE R0,#0FFH,BINT11 MOV R0,#9

BINT11: RETI

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