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MOV P1,#B0H
MOV P2,#04H ;MC3 on
MOV R5,#04H
ACALL DELAY
MOV P1,#99H
MOV P2,#08H ;MC4 on
MOV R5,#04H
ACALL DELAY
;----------------------------
MOV P1,#B0H
MOV P2,#04H ;MC3 on
MOV R5,#04H
ACALL DELAY
MOV P1,#A4H
MOV P2,#02H ;MC2 on
MOV R5,#04H
ACALL DELAY
;----------------------------
DJNZ R1,S ; 3 次
MOV P1,#88H
MOV P2,#0FH ;全 ON
MOV R5,#18H ;3s
ACALL DELAY
;----------------------------
MOV P1,#A4H
MOV P2,#07H ;MC4 off
MOV R5,#04H
ACALL DELAY
;----------------------------
MOV P1,#B0H
MOV P2,#03H ;MC3 off
MOV R5,#04H
ACALL DELAY
;----------------------------
MOV P1,#99H
MOV P2,#01H ;MC2 off
MOV R5,#04H
ACALL DELAY
;----------------------------
