#include <vga.h>
#include <unistd.h>
#include <iostream>
#include <stdlib.h>

using namespace std;

int main(int argc, char* argv[])
{
  cout<<"Starting...Press any key after 20 seconds.\n";
  sleep(4);
  vga_init();
  vga_setmode(G800x600x256);
  for(int i=0; i<600; i++)
  {
    for(int k=0; k<800; k+=2)
    {
      vga_setcolor(0);
      vga_drawpixel(k,i);
      vga_setcolor(5);
      vga_drawpixel(k+1,i);
    }
  }
  if(argc==0)
    sleep(20);
  else
    sleep(atoi(argv[0]));
  
  vga_getch();
  vga_setmode(TEXT);
  return(0);
}