点阵如何左移一列一列显示啊？我给个翻滚显示的，帮我...

点阵如何左移一列一列显示啊?我给个翻滚显示的，帮我改改看
用3块595驱动8x8点阵，一块空公共端，两块控双色，595的定义不用改，改主程序和加变量
#include<reg52.h>
#include<intrins.h>
sbit sen1=P2^0;
sbit slk1=P2^1;         //hang
sbit sc1=P2^2;
sbit sen2=P1^0;
sbit slk2=P1^1;          //lie
sbit sc2=P1^2;
unsigned char code hangma[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
unsigned char code liema[]={0x81,0x81,0xe7,0xe7,0xe7,0xe7,0x81,0x81};//,0x00,0x36,0x49,0x41,0x22,0x14,0x08,0x00,0x00,0x41,0x41,0x41,0x41,0x22,0x16,0x08} ;
void lie(unsigned char dat)
{
   unsigned char i;
  for(i=0;i<8;i++)
  {
   sen1=dat&0x80;
   dat<<=1;
   slk1=1;
   _nop_();
   slk1=0;
  }
   sc1=1;
_nop_();
sc1=0;
}
void hang(unsigned char dat)
{
unsigned char i;
for(i=0;i<8;i++)
   {
   sen2=dat&0x80;
   dat<<=1;
   slk2=1;
   _nop_();
   slk2=0;
   }
}
void hang2(unsigned char dat1,unsigned char dat2)
{
hang(dat1);
hang(dat2);
}

void out(void)
{
sc2=1;
_nop_();
sc2=0;
}
void delus(unsigned char t)
{
while(--t);
}
void delms(unsigned char t)
{
while(t--)
  {
  delus(245);
  delus(245);
  }
}
void main()
{
unsigned char i;
while(1)
   {
   for(i=0;i<8;i++)
     {
         for(i=0;i<8;i++)
            {
            lie(~liema[i]);
            hang2(hangma[i],0xff);
            out();            
                delms(1);
                 hang2(0xff,0xff);
                out();
                }       
         }
         }
         }