nesemu/include/rom.h

//
// Created by william on 12/2/23.
//

#include <stdbool.h>
#include "types.h"
#include "system.h"

#ifndef NESEMULATOR_ROM_H
#define NESEMULATOR_ROM_H

// The size of the header in a ROM file, in bytes
#define ROM_HEADER_SIZE 16
// The size of the trainer in a ROM file, in bytes
#define ROM_TRAINER_SIZE 512

typedef struct {
    byte header[ROM_HEADER_SIZE];
    bool nametable_mirrored;

    byte *prg_rom;
    unsigned int prg_rom_size;

    byte *chr_rom;
} Rom;

Rom *rom_get();

/**
 * Loads a ROM from a specified file path.
 *
 * @param path The file path
 * @return A boolean indicating a success (true) or an error.
 */
bool rom_load(char *path);

void rom_unload();

#endif //NESEMULATOR_ROM_H