[picodrive.git] / platform / common / emu.h

/*
 * PicoDrive
 * (C) notaz, 2006-2010
 *
 * This work is licensed under the terms of MAME license.
 * See COPYING file in the top-level directory.
 */

#ifdef __cplusplus
extern "C" {
#endif

#define array_size(x) (sizeof(x) / sizeof(x[0]))

extern void *g_screen_ptr;

extern int g_screen_width;
extern int g_screen_height;

#define EOPT_EN_SRAM      (1<<0)
#define EOPT_SHOW_FPS     (1<<1)
#define EOPT_EN_SOUND     (1<<2)
#define EOPT_GZIP_SAVES   (1<<3)
#define EOPT_MMUHACK      (1<<4)
#define EOPT_NO_AUTOSVCFG (1<<5)
#define EOPT_16BPP        (1<<7)  // depreceted for .renderer
#define EOPT_RAM_TIMINGS  (1<<8)
#define EOPT_EN_CD_LEDS   (1<<10)
#define EOPT_A_SN_GAMMA   (1<<12)
#define EOPT_VSYNC        (1<<13)
#define EOPT_GIZ_SCANLN   (1<<14)
#define EOPT_GIZ_DBLBUF   (1<<15)
#define EOPT_VSYNC_MODE   (1<<16)
#define EOPT_SHOW_RTC     (1<<17)
#define EOPT_NO_FRMLIMIT  (1<<18)
#define EOPT_WIZ_TEAR_FIX (1<<19)
#define EOPT_EXT_FRMLIMIT (1<<20) // no internal frame limiter (limited by snd, etc)

enum {
	EOPT_SCALE_NONE = 0,
	EOPT_SCALE_SW,
	EOPT_SCALE_HW,
};

enum {
	EOPT_CONFIRM_NONE = 0,
	EOPT_CONFIRM_SAVE = 1,
	EOPT_CONFIRM_LOAD = 2,
	EOPT_CONFIRM_BOTH = 3,
};

typedef struct _currentConfig_t {
	int EmuOpt;
	int s_PicoOpt;
	int s_PsndRate;
	int s_PicoRegion;
	int s_PicoAutoRgnOrder;
	int s_PicoCDBuffers;
	int Frameskip;
	int confirm_save;
	int CPUclock;
	int volume;
	int gamma;
	int scaling;  // gp2x: EOPT_SCALE_*; psp: bilinear filtering
	int vscaling;
	int rotation; // for UIQ
	float scale; // psp: screen scale
	float hscale32, hscale40; // psp: horizontal scale
	int gamma2;  // psp: black level
	int turbo_rate;
	int renderer;
	int renderer32x;
	int filter; // pandora
	int analog_deadzone;
	int msh2_khz;
	int ssh2_khz;
} currentConfig_t;

extern currentConfig_t currentConfig, defaultConfig;
extern char *PicoConfigFile;
extern int state_slot;
extern int config_slot, config_slot_current;
extern unsigned char *movie_data;
extern int reset_timing;
extern int flip_after_sync;

#define PICO_PEN_ADJUST_X 4
#define PICO_PEN_ADJUST_Y 2
extern int pico_pen_x, pico_pen_y;
extern int pico_inp_mode;

extern const char *rom_fname_reload;		// ROM to try loading on next PGS_ReloadRom
extern char rom_fname_loaded[512];		// currently loaded ROM filename

// engine states
extern int engineState;
enum TPicoGameState {
	PGS_Paused = 1,
	PGS_Running,
	PGS_Quit,
	PGS_KeyConfig,
	PGS_ReloadRom,
	PGS_Menu,
	PGS_TrayMenu,
	PGS_RestartRun,
	PGS_Suspending,		/* PSP */
	PGS_SuspendWake,	/* PSP */
};

void  emu_init(void);
void  emu_finish(void);
void  emu_loop(void);

int   emu_reload_rom(const char *rom_fname_in);
int   emu_swap_cd(const char *fname);
int   emu_save_load_game(int load, int sram);
void  emu_reset_game(void);

void  emu_prep_defconfig(void);
void  emu_set_defconfig(void);
int   emu_read_config(const char *rom_fname, int no_defaults);
int   emu_write_config(int game);

char *emu_get_save_fname(int load, int is_sram, int slot);
int   emu_check_save_file(int slot, int *time);

void  emu_text_out8 (int x, int y, const char *text);
void  emu_text_out16(int x, int y, const char *text);
void  emu_text_out8_rot (int x, int y, const char *text);
void  emu_text_out16_rot(int x, int y, const char *text);

void  emu_make_path(char *buff, const char *end, int size);
void  emu_update_input(void);
void  emu_get_game_name(char *str150);
void  emu_set_fastforward(int set_on);
void  emu_status_msg(const char *format, ...);

/* default sound code */
void  emu_sound_start(void);
void  emu_sound_stop(void);
void  emu_sound_wait(void);

/* used by some (but not all) platforms */
void  emu_cmn_forced_frame(int no_scale, int do_emu);

/* stuff to be implemented by platform code */
extern const char *renderer_names[];
extern const char *renderer_names32x[];

void pemu_prep_defconfig(void);
void pemu_validate_config(void);
void pemu_loop_prep(void);
void pemu_loop_end(void);
void pemu_forced_frame(int no_scale, int do_emu); // ..to g_menubg_src_ptr
void pemu_finalize_frame(const char *fps, const char *notice_msg);

void pemu_sound_start(void);

void plat_early_init(void);
void plat_init(void);
void plat_finish(void);

/* used before things blocking for a while (these funcs redraw on return) */
void plat_status_msg_busy_first(const char *msg);
void plat_status_msg_busy_next(const char *msg);
void plat_status_msg_clear(void);

void plat_video_toggle_renderer(int change, int menu_call);
void plat_video_loop_prepare(void);

void plat_update_volume(int has_changed, int is_up);

#ifdef __cplusplus
} // extern "C"
#endif
Commit	Line	Data
	1	/*
	2	* PicoDrive
	3	* (C) notaz, 2006-2010
	4	*
	5	* This work is licensed under the terms of MAME license.
	6	* See COPYING file in the top-level directory.
	7	*/
	8
	9	#ifdef __cplusplus
	10	extern "C" {
	11	#endif
	12
	13	#define array_size(x) (sizeof(x) / sizeof(x[0]))
	14
	15	extern void *g_screen_ptr;
	16
	17	extern int g_screen_width;
	18	extern int g_screen_height;
	19
	20	#define EOPT_EN_SRAM (1<<0)
	21	#define EOPT_SHOW_FPS (1<<1)
	22	#define EOPT_EN_SOUND (1<<2)
	23	#define EOPT_GZIP_SAVES (1<<3)
	24	#define EOPT_MMUHACK (1<<4)
	25	#define EOPT_NO_AUTOSVCFG (1<<5)
	26	#define EOPT_16BPP (1<<7) // depreceted for .renderer
	27	#define EOPT_RAM_TIMINGS (1<<8)
	28	#define EOPT_EN_CD_LEDS (1<<10)
	29	#define EOPT_A_SN_GAMMA (1<<12)
	30	#define EOPT_VSYNC (1<<13)
	31	#define EOPT_GIZ_SCANLN (1<<14)
	32	#define EOPT_GIZ_DBLBUF (1<<15)
	33	#define EOPT_VSYNC_MODE (1<<16)
	34	#define EOPT_SHOW_RTC (1<<17)
	35	#define EOPT_NO_FRMLIMIT (1<<18)
	36	#define EOPT_WIZ_TEAR_FIX (1<<19)
	37	#define EOPT_EXT_FRMLIMIT (1<<20) // no internal frame limiter (limited by snd, etc)
	38
	39	enum {
	40	EOPT_SCALE_NONE = 0,
	41	EOPT_SCALE_SW,
	42	EOPT_SCALE_HW,
	43	};
	44
	45	enum {
	46	EOPT_CONFIRM_NONE = 0,
	47	EOPT_CONFIRM_SAVE = 1,
	48	EOPT_CONFIRM_LOAD = 2,
	49	EOPT_CONFIRM_BOTH = 3,
	50	};
	51
	52	typedef struct _currentConfig_t {
	53	int EmuOpt;
	54	int s_PicoOpt;
	55	int s_PsndRate;
	56	int s_PicoRegion;
	57	int s_PicoAutoRgnOrder;
	58	int s_PicoCDBuffers;
	59	int Frameskip;
	60	int confirm_save;
	61	int CPUclock;
	62	int volume;
	63	int gamma;
	64	int scaling; // gp2x: EOPT_SCALE_*; psp: bilinear filtering
	65	int vscaling;
	66	int rotation; // for UIQ
	67	float scale; // psp: screen scale
	68	float hscale32, hscale40; // psp: horizontal scale
	69	int gamma2; // psp: black level
	70	int turbo_rate;
	71	int renderer;
	72	int renderer32x;
	73	int filter; // pandora
	74	int analog_deadzone;
	75	int msh2_khz;
	76	int ssh2_khz;
	77	} currentConfig_t;
	78
	79	extern currentConfig_t currentConfig, defaultConfig;
	80	extern char *PicoConfigFile;
	81	extern int state_slot;
	82	extern int config_slot, config_slot_current;
	83	extern unsigned char *movie_data;
	84	extern int reset_timing;
	85	extern int flip_after_sync;
	86
	87	#define PICO_PEN_ADJUST_X 4
	88	#define PICO_PEN_ADJUST_Y 2
	89	extern int pico_pen_x, pico_pen_y;
	90	extern int pico_inp_mode;
	91
	92	extern const char *rom_fname_reload; // ROM to try loading on next PGS_ReloadRom
	93	extern char rom_fname_loaded[512]; // currently loaded ROM filename
	94
	95	// engine states
	96	extern int engineState;
	97	enum TPicoGameState {
	98	PGS_Paused = 1,
	99	PGS_Running,
	100	PGS_Quit,
	101	PGS_KeyConfig,
	102	PGS_ReloadRom,
	103	PGS_Menu,
	104	PGS_TrayMenu,
	105	PGS_RestartRun,
	106	PGS_Suspending, /* PSP */
	107	PGS_SuspendWake, /* PSP */
	108	};
	109
	110	void emu_init(void);
	111	void emu_finish(void);
	112	void emu_loop(void);
	113
	114	int emu_reload_rom(const char *rom_fname_in);
	115	int emu_swap_cd(const char *fname);
	116	int emu_save_load_game(int load, int sram);
	117	void emu_reset_game(void);
	118
	119	void emu_prep_defconfig(void);
	120	void emu_set_defconfig(void);
	121	int emu_read_config(const char *rom_fname, int no_defaults);
	122	int emu_write_config(int game);
	123
	124	char *emu_get_save_fname(int load, int is_sram, int slot);
	125	int emu_check_save_file(int slot, int *time);
	126
	127	void emu_text_out8 (int x, int y, const char *text);
	128	void emu_text_out16(int x, int y, const char *text);
	129	void emu_text_out8_rot (int x, int y, const char *text);
	130	void emu_text_out16_rot(int x, int y, const char *text);
	131
	132	void emu_make_path(char buff, const char end, int size);
	133	void emu_update_input(void);
	134	void emu_get_game_name(char *str150);
	135	void emu_set_fastforward(int set_on);
	136	void emu_status_msg(const char *format, ...);
	137
	138	/* default sound code */
	139	void emu_sound_start(void);
	140	void emu_sound_stop(void);
	141	void emu_sound_wait(void);
	142
	143	/* used by some (but not all) platforms */
	144	void emu_cmn_forced_frame(int no_scale, int do_emu);
	145
	146	/* stuff to be implemented by platform code */
	147	extern const char *renderer_names[];
	148	extern const char *renderer_names32x[];
	149
	150	void pemu_prep_defconfig(void);
	151	void pemu_validate_config(void);
	152	void pemu_loop_prep(void);
	153	void pemu_loop_end(void);
	154	void pemu_forced_frame(int no_scale, int do_emu); // ..to g_menubg_src_ptr
	155	void pemu_finalize_frame(const char fps, const char notice_msg);
	156
	157	void pemu_sound_start(void);
	158
	159	void plat_early_init(void);
	160	void plat_init(void);
	161	void plat_finish(void);
	162
	163	/* used before things blocking for a while (these funcs redraw on return) */
	164	void plat_status_msg_busy_first(const char *msg);
	165	void plat_status_msg_busy_next(const char *msg);
	166	void plat_status_msg_clear(void);
	167
	168	void plat_video_toggle_renderer(int change, int menu_call);
	169	void plat_video_loop_prepare(void);
	170
	171	void plat_update_volume(int has_changed, int is_up);
	172
	173	#ifdef __cplusplus
	174	} // extern "C"
	175	#endif
	176