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P. 210
MOV R5,#04H ; 0FH 1 1 1 1 4
ACALL DELAY1 ; 0EH 1 1 1 0 4.5
MOV P1,#A4H ;2 ; 0FH 1 1 1 1 5 <4>
MOV P2,#07H ; -------------------------
MOV R5,#04H
ACALL DELAY1
MOV P2,#06H
MOV R5,#04H
ACALL DELAY1
MOV P2,#07H
MOV R5,#04H
ACALL DELAY1
MOV P2,#06H
MOV R5,#04H
ACALL DELAY1
MOV P2,#0FH
MOV R5,#04H
ACALL DELAY1
MOV P1,#B0H ;3
MOV P2,#0EH
MOV R5,#04H
ACALL DELAY1
MOV P2,#0FH
MOV R5,#04H
ACALL DELAY1
MOV P2,#0EH
MOV R5,#04H
ACALL DELAY1
MOV P1,#99H ;4
MOV P2,#0FH
MOV R5,#10H ;2s
ACALL DELAY1
;---------------------------
MOV R1,#32H ;50 步
FOR1: RL A
MOV P3,A
MOV R5,#01H
ACALL DELAY2
DJNZ R1,FOR1
