j.c

40个练习程序（坚持）.rar

#include <AT89X55.H>
 unsigned char table[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
unsigned int i,j,k,m;
void delay(void)
{
   for(i=20;i>0;i--)
for(j=20;j>0;j--)
for(k=248;k>0;k--);
}
void main(void)
{while(1)
{for(m=0;m<16;m++)
{P1=table[m];
delay();}
}

}