#include "th03/formats/pi.h" int pascal pi_slot_free(int slot); // Like pi_slot_put() and pi_slot_put_quarter(), but applying the mask with // the given ID while blitting. int pascal pi_slot_put_mask(int x, int y, int slot, int mask_id); int pascal pi_slot_put_quarter_mask( int x, int y, int slot, int quarter, int mask_id );