[文章]

江湖救急！新手做了个16*16点阵，程序有个问题想请教好心人

2013-3-31 15:24:16

1583

16*16点阵，现象是字移动到一半的点阵就消失了，到另一半点阵又出现了，而不是走完整个点阵？？？？
还有点阵的移动函数怎么理解？？希望能举个简单例子，然后详细地讲解，谢谢！！
对了，k是第几个字，2个138和2个595
#include
#define uchar unsigned char
#define uint unsigned int
***it r=P2^0;
***it clk=P2^1;
***it stb=P2^2;

uchar code table[3][32]={
{0x04,0x80,0x04,0x80,0x08,0x80,0x08,0x80,
0x10,0x84,0x20,0x84,0x40,0x7C,0x80,0x00,
0x00,0x00,0x3F,0xF0,0x02,0x00,0x02,0x00,
0x02,0x00,0x02,0x00,0x7F,0xFC,0x04,0x80,},  //无

{0x40,0x44,0xFC,0x48,0x40,0x30,0x00,0x22,
0x1C,0x52,0xE0,0x8A,0x43,0x06,0x00,0x02,
0x10,0x50,0x10,0x48,0x20,0x40,0x24,0x5C, //       线
0x45,0xE0,0xF8,0x40,0x10,0x5E,0x23,0xE0,},

{0x21,0x08,0x21,0x08,0x21,0x08,0x3F,0xF8,
0x21,0x0A,0x01,0x02,0x01,0x02,0x00,0xFE,
0x01,0x00,0x01,0x00,0x01,0x00,0x3F,0xF8,
0x21,0x08,0x21,0x08,0x21,0x08,0x3F,0xF8,}
};

void writebyte(uchar dat)
{
uchar i;
for(i=0;i<8;i++)
      {
      dat=dat>>1;
      r=CY;
      clk=0;
      clk=1;
      }
}
void senddata()
{
stb=0;
stb=1;
}

void main()
{
uchar num,i,j,k;
while(1)
      {
for(k=1;k<3;k++)
      {
      for(i=0;i<16;i++)                               //移动一个字
            {
                     for(j=0;j<20;j++)
                              {

                                             for(num=0;num<16;num++)       //移动一位
                                             {
                                             if(i<8)
                                                {
                                                      writebyte(((table[k][2*num]>>(8-i))|(table[k][2*num+1]<                                                       writebyte(((table[k-1][2*num+1]>>(8-i))|(table[k-1][2*num]<                                                       senddata();
                                                      }
                                             else
                                                      {
                                                      writebyte(((table[k][2*num+1]>>(16-i))|(table[k][2*num]<<(i-8))));
                                                      writebyte(((table[k-1][2*num]>>(16-i))|(table[k-1][2*num+1]<<(i-8))));
                                                      senddata();
                                                      }

                                             P1=num;
                                             }
                              }
            }
            }

      }
}