+ game_sp.scroll_xoffset = (EVEN(SCR_FIELDX) ? TILEX / 2 : 0);
+ game_sp.scroll_yoffset = (EVEN(SCR_FIELDY) ? TILEY / 2 : 0);
+
+ if (native_sp_level.width <= SCR_FIELDX)
+ game_sp.scroll_xoffset = TILEX / 2;
+ if (native_sp_level.height <= SCR_FIELDY)
+ game_sp.scroll_yoffset = TILEY / 2;