#include <reg52.h> #include <intrins.h> #define uint unsigned int; #define uchar unsigned char; uchar temp; sbit sj=P1^4; void delay(uint z); void main() {sj=0; temp=0xfe; P0=temp; while(1) { delay (500); temp=_crol_(temp,1); } } void delay(uint z) {uint x,y; for(x=z;x>0;z--) for(y=110;y>0;z--); }
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