用keil和proteus，画出电路，编写一段程序，用p1 口作为控制端口，使8个led

ORG 0000H

LJMP MAIN

ORG 0030H

MAIN:

MOV A,#0FEH

MOV P1，A

LCALL DELAY

RL A

SJMP MAIN

DELAY:

MOV R2，#100

DLY:

MOV R3，$250

DJNZ R3，$

DJNZ R2，DLY

RET

END

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void display(uint z)

void main()

void display(uint z)少猜键者了亮橘个穗薯冒号

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