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#ifndef ROMDB_H_
#define ROMDB_H_
#define REGION_J 1
#define REGION_U 2
#define REGION_E 4
#define RAM_FLAG_ODD 0x18
#define RAM_FLAG_EVEN 0x10
#define RAM_FLAG_BOTH 0x00
#define RAM_FLAG_MASK RAM_FLAG_ODD
#define SAVE_I2C 0x01
#define SAVE_NOR 0x02
#define SAVE_NONE 0xFF
#include "tern.h"
#include "serialize.h"
typedef struct {
uint32_t start;
uint32_t end;
uint16_t sda_write_mask;
uint16_t scl_mask;
uint8_t sda_read_bit;
} eeprom_map;
typedef struct {
uint8_t *buffer;
uint8_t *page_buffer;
uint32_t size;
uint32_t page_size;
uint32_t current_page;
uint32_t last_write_cycle;
uint32_t cmd_address1;
uint32_t cmd_address2;
uint16_t product_id;
uint8_t mode;
uint8_t cmd_state;
uint8_t alt_cmd;
uint8_t bus_flags;
} nor_state;
enum {
MAPPER_NONE,
MAPPER_SEGA,
MAPPER_REALTEC,
MAPPER_XBAND,
MAPPER_MULTI_GAME,
MAPPER_JCART
};
typedef struct rom_info rom_info;
#include "memmap.h"
struct rom_info {
char *name;
memmap_chunk *map;
uint8_t *save_buffer;
void *rom;
eeprom_map *eeprom_map;
char *port1_override;
char *port2_override;
char *ext_override;
char *mouse_mode;
nor_state *nor;
uint32_t num_eeprom;
uint32_t map_chunks;
uint32_t rom_size;
uint32_t save_size;
uint32_t save_mask;
uint16_t mapper_start_index;
uint8_t save_type;
uint8_t save_bus; //only used for NOR currently
uint8_t mapper_type;
uint8_t regions;
uint8_t is_save_lock_on; //Does the save buffer actually belong to a lock-on cart?
};
#define GAME_ID_OFF 0x183
#define GAME_ID_LEN 8
tern_node *load_rom_db();
rom_info configure_rom(tern_node *rom_db, void *vrom, uint32_t rom_size, void *lock_on, uint32_t lock_on_size, memmap_chunk const *base_map, uint32_t base_chunks);
rom_info configure_rom_heuristics(uint8_t *rom, uint32_t rom_size, memmap_chunk const *base_map, uint32_t base_chunks);
uint8_t translate_region_char(uint8_t c);
char const *save_type_name(uint8_t save_type);
//Note: free_rom_info only frees things pointed to by a rom_info struct, not the struct itself
//this is because rom_info structs are typically stack allocated
void free_rom_info(rom_info *info);
typedef struct system_header system_header;
void cart_serialize(system_header *sys, serialize_buffer *buf);
void cart_deserialize(deserialize_buffer *buf, void *vcontext);
#endif //ROMDB_H_
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