#include "cross.h"
void fcross(unsigned int *en,unsigned int *cro)
{
  unsigned int reg=0x01;
  int i,j,k;
  for(i=0;i<M;i++)/*M列，一列為一個字節*/
      
      {
       for(k=7;k>=0;k--)
       
            { 
                 *cro=0;
                 for(j=0;j<8;j++)
                  { 
                   *cro|=(*(en+M*j+i)>>k)&reg;
                   *cro<<=1;
                   }
                   *cro>>=1;
                   cro++;
             }
             
       }
}