char far *p;
p = (char far *)0xb8000000;//第一行第一个
p = (char far *)0xb8000000+ 13*80 + 46*2;//第13行第46个
*p = 'K';
*(p+1)=2;
p = (char far *)0xb8000000+ 13*80 + 47*2;//第13行第47个
*p = 'n';
*(p+1)=2;
p = (char far *)0xb8000000+ 13*80 + 48*2;//第13行第48个
*p = 'o';
*(p+1)=2;
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