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#include<reg52.h>
unsigned char code M[]={
0xff,0xff,0xfe,0xfd,0xf8,0xfd,0xfe,0xff,
0xff,0xff,0xfd,0xfb,0xf0,0xfb,0xfd,0xff,
0xff,0xff,0xfb,0xf7,0xe0,0xf7,0xfb,0xff,
0xff,0xff,0xf7,0xef,0xc0,0xef,0xf7,0xff,
0xff,0xff,0xef,0xdf,0x80,0xdf,0xef,0xff,
0xff,0xff,0xdf,0xbf,0x00,0xbf,0xdf,0xff};
void main()
{
unsigned char wei=0,zt=1,ys=0,cs=0,sj=0;
while(1)
{
if(wei==0)wei=1;else wei*=2;
P3=M[sj+cs];
P2=wei;
while(++ys);
P2=P3=255;
if(++sj>8){sj=0;++zt;}
if(zt>47){cs+=8;if(cs>40)cs=0;zt=0;}
}
}
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