用8051单片机控制八个发光二极管,每隔一个灯亮的左循环程序答:; P1口接8个LED.上拉电阻1K ORG 0000H AJMP STARTUP ORG 0030H STARTUP:MOV SP,#60H MOV A,#0AAH LOOP: MOV P1,A ACALL DELAY RLC A SJMP LOOP; 延时的多少决定灯移动速度的快慢 DELAY:MOV R7,#5 DL2:MOV R6,#100 DL1:MOV R5,#100 DJNZ R5,DJNZ R6,DL1 DJNZ R7,DL2 RET END...