单片机跑马灯问题!!!看看我的程序,高手支招!答:MOV R0, #3 RL A LOOPCR:MOV P0, A RR A RR A LCALL DELAY DJNZ R0, LOOPCR LJMP START ;本行可删除.LJMP LOOPC DELAY:MOV R4,#2 L3:MOV R2,#250 L1:MOV R3,#250 L2:DJNZ R3,L2 DJNZ R2,L1 DJNZ R4,L3 RET END 本程序在PROTEUS中调试通过。
求个简单的单片机程序,最好能有电路图答:include"reg51.h"defineuchar unsigned char uchardisplay_code[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E};uchartime[]={0,0,0,0};voiddelay05ms(void){ uchar i;for(i=250;i>0;i--);} voiddisplay(){ uchar i,k;k=0x80...
高分:89C51单片机流水灯程序求步骤详解,看懂了就给分答:uchar code display_P0[]={ 0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F,//P0口由低位向高位依次亮灯(前一位的灯灭)0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,//P0口灯全灭 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,,//P0口灯全灭 0x7F,0xBF,0xDF,0xEF,0xF7,0xFB...