ORG 0000H START: MOV P0,#0FEH LCALL DELAY1 MOV P0,#01H LCALL DELAY1 LCALL DELAY SJMP START DELAY1: push 03h push 04h push 05h mov r3,#100 d1: mov r4,#20 d2: mov r5,#248 d3: djnz r5,d3 nop djnz r4,d2 djnz r3,d1 pop 05h pop 04h pop 03h ret delay: push 03h push 04h push 05h mov r3,#50 d1: mov r4,#20 d2: mov r5,#248 d3: djnz r5,d3 nop djnz r4,d2 djnz r3,d1 pop 05h pop 04h pop 03h ret end
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