#define __LIBRARY__
#include<stdio.h>
#include<unistd.h>
#include<errno.h>
#define vga_graph_memstart 0xA0000
#define vga_graph_memsize 64000
#define cursor_side 6
#define vga_width 320
#define vga_height 200

_syscall0(void,init_graphics);

int main(void)
{
init_graphics();
char *p=vga_graph_memstart;
int i,j,x_pos=20,y_pos=20;
for(i=0;i<vga_graph_memsize;i++)
 *p++ = 3;
for (i=x_pos-cursor_side;i<=x_pos+cursor_side;i++)
for(j=y_pos-cursor_side;j<=y_pos+cursor_side;j++)
{
p=(char *)vga_graph_memstart+j*vga_width+i;
*p=12;
}