#ifndef GB_H
#define GB_H

const int GB_C_FLAG = 0x10;
const int GB_H_FLAG = 0x20;
const int GB_N_FLAG = 0x40;
const int GB_Z_FLAG = 0x80;

typedef union {
    struct {
#ifdef WORDS_BIGENDIAN
        uint8_t B1, B0;
#else
        uint8_t B0, B1;
#endif
    } B;
    uint16_t W;
} gbRegister;

extern gbRegister AF, BC, DE, HL, SP, PC;
extern uint16_t IFF;
int gbDis(char*, uint16_t);

bool gbLoadRom(const char*);
bool gbUpdateSizes();
void gbEmulate(int);
void gbWriteMemory(register uint16_t, register uint8_t);
void gbDrawLine();
bool gbIsGameboyRom(const char*);
void gbGetHardwareType();
void gbReset();
void gbCleanUp();
void gbCPUInit(const char*, bool);
bool gbWriteBatteryFile(const char*);
bool gbWriteBatteryFile(const char*, bool);
bool gbReadBatteryFile(const char*);
bool gbWriteSaveState(const char*);
bool gbWriteMemSaveState(char*, int, long&);
bool gbReadSaveState(const char*);
bool gbReadMemSaveState(char*, int);
void gbSgbRenderBorder();
bool gbWritePNGFile(const char*);
bool gbWriteBMPFile(const char*);
bool gbReadGSASnapshot(const char*);

extern int gbHardware;

extern struct EmulatedSystem GBSystem;

#endif // GB_H