/*===================================================================*/
/*  nes_core.h : nes simulator provides this       */
/*===================================================================*/

#ifndef NES_CORE_H_INCLUDED
#define NES_CORE_H_INCLUDED

/* NES display size */
#define NES_DISP_WIDTH      256
#define NES_DISP_HEIGHT     240

typedef char (*NesVipInit)(void);
typedef void (*NesVipUninit)(void);
typedef void (*NesVipOutput)(unsigned long *workframe);
typedef void (*NesAudioInit)(void);
typedef void (*NesAudioOutput)(short *Audiobuf, unsigned int buff_size);
typedef void (*NesAudioUninit)(void);

typedef enum
{
    NES_DISP_FLIP_TYPE_NO_FLIP = 0,
    NES_DISP_FLIP_TYPE_ONLY_V,
    NES_DISP_FLIP_TYPE_ONLY_H,
    NES_DISP_FLIP_TYPE_BOTH_H_V,
} NesFlip_type;

typedef enum
{
    NES_CORE_START_SUCCESS = 0,
    NES_CORE_START_INVILD_PARAM = -1,
    NES_CORE_START_INVILD_PLATFORM = -2,    
    NES_CORE_START_INIT_ERROR = -3,
}NesCoreStartReturns;

typedef struct 
{
    /* Video related fop */
    NesVipInit fop_VipInit;
    NesVipOutput fop_VipOutput;
    NesVipUninit fop_VipUnInit;

    /* Audio related fop */
    NesAudioInit fop_AudioInit;
    NesAudioOutput fop_AudioOutput;
    NesAudioUninit fop_AudioUnInit;

    /* For Panel flip type attribute */
    NesFlip_type  Flip_Type;
} NesConfig_t;

/* Joystick events */
typedef enum 
{
    EVENT_JOYPAD_MIN = 0,
    ADD_EVENT_JOYPAD_UP,
    ADD_EVENT_JOYPAD_DOWN,
    ADD_EVENT_JOYPAD_LEFT,
    ADD_EVENT_JOYPAD_RIGHT,

    ADD_EVENT_JOYPAD_SELECT,
    ADD_EVENT_JOYPAD_START,
    ADD_EVENT_JOYPAD_1,
    ADD_EVENT_JOYPAD_2,
    ADD_EVENT_JOYPAD_3,
    ADD_EVENT_JOYPAD_4,
    ADD_EVENT_JOYPAD_L1,
    ADD_EVENT_JOYPAD_L2,
    ADD_EVENT_JOYPAD_R1,
    ADD_EVENT_JOYPAD_R2,

    REMOVE_EVENT_JOYPAD_UP,
    REMOVE_EVENT_JOYPAD_DOWN,
    REMOVE_EVENT_JOYPAD_LEFT,
    REMOVE_EVENT_JOYPAD_RIGHT,

    REMOVE_EVENT_JOYPAD_SELECT,
    REMOVE_EVENT_JOYPAD_START,
    REMOVE_EVENT_JOYPAD_1,
    REMOVE_EVENT_JOYPAD_2,
    REMOVE_EVENT_JOYPAD_3,
    REMOVE_EVENT_JOYPAD_4,
    REMOVE_EVENT_JOYPAD_L1,
    REMOVE_EVENT_JOYPAD_L2,
    REMOVE_EVENT_JOYPAD_R1,
    REMOVE_EVENT_JOYPAD_R2,
    
    EVENT_JOYPAD_MAX,
} Control_Key;

/* Joystick ID */
typedef enum 
{
    JOYPAD_A = 0,
    JOYPAD_B,
    JOYPAD_MAX,
} JoyPadNum;

int Nes_Start_Game(char *filename, NesConfig_t *pstConfig);

void Nes_Exit_Game(void);

void Nes_Excute_Key(Control_Key event, JoyPadNum joypadNum);

void Nes_Set_AuidoSamplesPerSync(unsigned int samples);

#endif /* NES_GAME_H_INCLUDED */