#include <stdio.h>

int
fillscreen (unsigned char a)
{
  unsigned char *p = 0xc000;
  unsigned short l;

  for (l = 0; l < 16384; l++) {
    *p = a;
    p++;
  }
}

int
main (int argc, char **argv)
{
  printf ("Hello world!\n");
  {
    char c;

    for (c = 0; c <= 255; c++) {
      fillscreen (c);
    }
  }
  /* for (a=32; a<256; a++) { putc(a, stdout); } */
  return 0;
}