51单片机8路流水灯! 用三个按键控制三个程序!每个按键对应一个程序...答:include<reg51.h> define uchar unsigned char sbit key1=P1^0;sbit key2=P1^1;sbit key3=P1^2;uchar led1[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};uchar led2[]={0xe7,0xdb,0xbd,0x7e};bit flag;void delay(uchar a){ uchar i;while(a--)for(i=0;i<120;i++)...
请问52单片机中流水灯实现左移,全亮,右移,两边向中间亮要怎么写程序啊...答:;左移 LOOP1:MOV R7,#8 MOV A ,#01 RL A MOV P1,A CALL DELAY DJNZ R7,LOOP1 ;全亮 MOV P1,#0FFH CALL DELAY ;右移 LOOP2:MOV R7,#8 MOV A ,#01 RR A MOV P1,A CALL DELAY DJNZ R7,LOOP2 ;不想写了 ...