NAME T1_1
CSEG AT 0000H
LJMP START
CSEG AT 4100H
START: MOV A,#0FEH
LOOP: RL A
MOV P1,A
LCALL DELAY
JMP LOOP
DELAY: MOV R1,#127
DEL1: MOV R2,#200
DEL2: DJNZ R2,DEL2
DJNZ R1,DEL1
RET
END
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