1、#include<reg51.h>#include<intrins.h>#define uchar u荏鱿胫协nsigned char#define uint unsigned intvoid delay(uint z){ uint x,y; for(x=z;x>0;x--) for(y=110;y>0;y--);}void main(){ uint aa,p,i; while(1) { aa=0xfe; P1=aa; for(i=0;i<7;i++) { delay(500); aa=aa<<1; P1=aa; } for(i=0;i<8;i++) { delay(500); aa=aa>>1; P1=aa; } P1=0xff; delay(50); for(i=0;i<5;i++) { P1=0x00; delay(300); P1=0xff; delay(300); } aa=0xfe; P1=aa; for(p=0;p<7;p++) { delay(500); aa=_crol_(aa,1); P1=aa; } aa=0x7f; P1=aa; for(p=0;p<8;p++) { delay(500); aa=_cror_(aa,1); P1=aa; } for(i=0;i<5;i++) { P1=0x00; delay(300); P1=0xff; delay(300); } }}
