单片机中LED灯,有八个LED灯,先从左向右亮,在从右向左亮,然后在先1357亮...答:SJMP MAIN ORG 0040H MIAN:MOV A,#11111110B MOV R2, #8 LOOP: MOV P2,A LCALL D_1s RL A DJNZ R2, LOOP MOV A,#01111111B MOV R2, #8 LOOP1: MOV P2,A LCALL D_1s RR A DJNZ R2, LOOP1 MOV A,#01010101B MOV P2,A LCALL D_1s MOV A,#10101010B...