C语言图形模式编程，个性鼠标(1)

原帖及讨论：

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   /* －－－－－  图形模式编程，个性鼠标。 －－－－－*/

int Msinit()
{   /* 初始化鼠标*/
    int recored;

    regs.x.ax=0;
    int86(0x33,®s,®s);
    recored=regs.x.ax;
    if(recored==0)
    {   printf("Mouse not found !\n");
        getch();return 0;
    }
    regs.x.ax = 1;  /* 显示鼠标*/
    int86(0x33,®s,®s);
    return recored;
}

void MskindMath()    /*计算鼠标的样子*/
{   /*Point hotspot[]={{0,11},{0,0},{4,0},{4,0}};热点*/
    int    i,j,jj,k;
    int    full,kind;
    long   UpNum[2][16] = {/*  hand */
        0xf3ff,0xe1ff,0xe1ff,0xe1ff,
        0xe001,0xe000,0xe000,0xe000,
        0x8000,0x0000,0x0000,0x0000,
        0x0000,0x0000,0x8001,0xc003,

        0x3fff,0x1fff,0x0fff,0x07ff,/*  arrow箭头 */
        0x03ff,0x01ff,0x00ff,0x007f,
        0x003f,0x00ff,0x01ff,0x10ff,
        0x30ff,0xf87f,0xf87f,0xfc3f,
    };
    long   DownNum[2][16]={/*  hand */
        0x0c00,0x1200,0x1200,0x1200,
        0x13fe,0x1249,0x1249,0x1249,
        0x7249,0x9001,0x9001,0x9001,
        0x8001,0x8001,0x4002,0x3ffc,

        0x0000,0x4000,0x6000,0x7000,/*  arrow箭头 */
        0x7800,0x7c00,0x7e00,0x7f00,
        0x7f80,0x7e00,0x7c00,0x4600,
        0x0600,0x0300,0x0300,0x0180,
    };
    kind = (Mskind>>1)%2;  /* 手形还是箭头*/
    full = Mskind%2;       /* 是否空心*/

    for(i=0;i<16;i++)
    {
         j=jj=15;
         while(UpNum[kind][i]!=0)
         {
             up[i][j]=UpNum[kind][i]%2;
             j--;
             UpNum[kind][i]/=2;
         }
         while(DownNum[kind][i]!=0)
         {
             down[i][jj--]=DownNum[kind][i]%2;
             DownNum[kind][i]/=2;
         }
         for(k=j ;k>=0;k--)  up  [i][k]=0;
         for(k=jj;k>=0;k--)  down[i][k]=0;
         for(k=0;k<16;k++)
         {   /*四种组合方式*/
             if(up[i][k]==0&&down[i][k]==0)
             {   /* 是否为空心*/
                 if(full) mouse_draw[i][k]=1;
                 else     mouse_draw[i][k]=2;
             }