// Blits the hardcoded diamond, star, or snowflake sprites in the given [col]
// to the given position.
void shape8x8_diamond_put(screen_x_t left, vram_y_t top, int col);
void shape8x8_star_put(screen_x_t left, vram_y_t top, int col);
void shape8x8_flake_put(screen_x_t left, vram_y_t top, int col);