匯編語言控制LED流水燈程序,附1s延遲子程序
ORG 0000H
LOOP:MOV A,#01H
MOV R1,#08H
MOV 30H,#01H
D2:MOV R0,30H
MOV P0,A
D1:LCALL DELAY1S
DJNZ R0,D1
RL A
INC 30H
DJNZ R1,D2
SJMP LOOP
DELAY1S:MOV R7,#80
DL0:MOV R6,#36
DL1:MOV R5,#160
DJNZ R5,$
DJNZ R6,DL0
DJNZ R7,DL1
RET
END
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