#define VGA_WIDTH     200
#define Vga_Set_Pixel(base,x,y,k)             IOWR(base, y*VGA_WIDTH+x, k) //改動過       
unsigned long RGB(unsigned int r,unsigned int g,unsigned int b)
{
  unsigned long temp;
  temp=r+g*1024+b*1048576;
 return (unsigned long)temp;
}