ORG 0000H<br /> LJMP MAIN<br /> ORG O30H<br /><br /> MAIN: MOV P0,#00H<br /> MOV P1,#OOH<br /> MOV P2,#OOH<br /> MOV P3,#00H<br /> ACALL DEL<br /> MOV P0,#OFFH<br /> MOV P1,#0FFH<br /> MOV P2,#0FFH<br /> MOV P3,#OFFH<br /> ACALL DEL<br /> AJMP MAIN<br /> ORG 0200H<br /> DEL: MOV R5,#O4H<br /> F3: MOV R6,#OFFH<br /> F2: MOV R7,#OFFH<br /> F1: DJNZ R7,F1<br /> DJNZ R6,F2<br /> DJNZ R5,F3<br /> RET<br /> END <br /> |
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