單片機編程使8個發光二極管1.3.5.7依次點亮,延時1s後2.4.6.8依次點亮?

還有 端口用哪壹個啊！

我這裏用P0端口試驗給妳啊！

org 0000h

st:mov A, #0AAH

CALL DELAY

mov P0,A

CALL DELAY

CPL A

MOV P0,A

AJMP st

DELAY: ;誤差 0us

MOV R7,#0A7H

DL1:

MOV R6,#0ABH

DL0:

MOV R5,#10H

DJNZ R5,$

DJNZ R6,DL0

DJNZ R7,DL1

NOP

RET

end