ORG 00H
JMP START
ORG 30H
START:
MOV A,#01010101B
BEGIN:
MOV P1,A
CALL DELAY
RL A
JMP start
DELAY:
MOV R7,#05
L3:
MOV R6,#200
L2:
MOV R5,#248
NOP
L1:
DJNZ R5,L1
DJNZ R6,L2
DJNZ R7,L3
RET
END
全站熱搜
ORG 00H
JMP START
ORG 30H
START:
MOV A,#01010101B
BEGIN:
MOV P1,A
CALL DELAY
RL A
JMP start
DELAY:
MOV R7,#05
L3:
MOV R6,#200
L2:
MOV R5,#248
NOP
L1:
DJNZ R5,L1
DJNZ R6,L2
DJNZ R7,L3
RET
END