add glutInitWindowPosition calls
diff --git a/progs/demos/spriteblast.c b/progs/demos/spriteblast.c
index c604536..f1eee69 100644
--- a/progs/demos/spriteblast.c
+++ b/progs/demos/spriteblast.c
@@ -463,6 +463,7 @@
       linearFiltering = 0;
     }
   }
+  glutInitWindowPosition(0, 0);
   glutInitWindowSize(600,300);
   glutCreateWindow("sprite blast");
   glutReshapeFunc(reshape);