ORG 00H
MAIN:
MOV R4,#8
MOV R2,#0
LOOP:
MOV P0,#0FFH
MOV DPTR,#TABA
MOV A,R2
MOVC A,@A+DPTR
SETB P1.1
MOV P0,A
CLR P1.1
MOV DPTR,#TABB
MOV A,R2
MOVC A,@A+DPTR
SETB P1.3
MOV P0,A
CLR P1.3
INC R2
LCALL DELAY
DJNZ R4,LOOP
SJMP MAIN
DELAY: MOV R5,#10
D2: MOV R6,#2
D1: MOV R7,#148
DJNZ R7,$
DJNZ R6,D1
DJNZ R5,D2
RET
TABA: DB 00H,00H,0E7H,00H,00H,0E7H,00H,00H
TABB: DB 01H,02H,04H,08H,10H,20H,40H,80H
END
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