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SE18: LO34: LO33: SE19: LO36: LO35:

ORG 0000H

MOV P1, #0FFH MOV A, #0FEH MOV P1, A LCALL SE19 RL A

SJMP LO33

MOV R6, #0A0H MOV R7, #0FEH DJNZ R7,LO35 DJNZ R6,LO36 RET END

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ORG 0000H

MAIN: MOV TMOD, #10H ;T1¹¤×÷·½Ê½1 MOV R3, #10 LOOP1: MOV TH1, #9EH MOV TL1, #58H SETB TR1 NOP

LOOP: JNB TF1, LOOP CLR TF1 CLR TR1 DJNZ R3, LOOP1 MOV R3, #10 CPL P1.1 SJMP LOOP1 END ÖжϷ½Ê½Ô´´úÂ룺

ORG 0000H

HERE: TF1INT:

LOOP:

LJMP MAIN ORG 001BH LJMP TF1INT ORG 0030H MOV TMOD, #10H MOV R3,#10 MOV TH1, #9EH MOV TL1, #58H SETB ET1 SETB TR1 SETB EA SJMP HERE CLR TR1 MOV TH1, #9EH MOV TL1, #58H SETB TR1 DJNZ R3, LOOP CPL P1.1 MOV R3, #10 RETI END

MAIN:

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ORG 0000H

SJMP MAIN MAIN: MOV R2,#00H MOV R3,#00H MOV R4,#20H MOV R5,#00H MOV R6,#1FH MOV R7,#0FFH SE22: MOV DPL, R3 MOV DPH, R2 MOVX A, @DPTR MOV DPL, R5 MOV DPH, R4 MOVX @DPTR, A CJNE R3, #0FFH, LO42 INC R2 LO42: INC R3 CJNE R5, #0FFH, LO43 INC R4 LO43: INC R5 CJNE R7, #00H, LO44 CJNE R6, #00H, LO45 SJMP $ NOP LO44: DEC R7 SJMP SE22 LO45: DEC R7 DEC R6 SJMP SE22

END