51

来自「计算机控制系统」· 代码 · 共 14 行

#include    <reg51.h>
void main(void)
  {
   unsigned char *sour,*den,tmp;
   int num;
   sour = (unsigned char xdata *)(0x7000);
   den = (unsigned char  xdata *)(0x8000);
   for(num=0;num<0x1000;num++)
	 *(sour+num) = num&0xff;
   for(num=0;num<0x1000;num++)
	 *(den+num) = *(sour+num);
   while(1);/* 此处设置断点观察内存8000H--8fff的内容是否与7000--7fffHH的内容一致*/
  }