(bgcolour != ds->bgcolour || /* always redraw when flashing */
v != ds->grid[y*w+x])) {
draw_tile(dr, ds, COORD(x), COORD(y), v, bgcolour);
(bgcolour != ds->bgcolour || /* always redraw when flashing */
v != ds->grid[y*w+x])) {
draw_tile(dr, ds, COORD(x), COORD(y), v, bgcolour);