[picodrive.git] / pico / pico.h

/*\r
 * PicoDrive\r
 * (c) Copyright Dave, 2004\r
 * (C) notaz, 2006-2010\r
 *\r
 * This work is licensed under the terms of MAME license.\r
 * See COPYING file in the top-level directory.\r
 */\r
\r
#ifndef PICO_H\r
#define PICO_H\r
\r
#include <stdint.h> // [u]int<n>_t\r
#include <stdlib.h> // size_t\r
\r
#ifdef __cplusplus\r
extern "C" {\r
#endif\r
\r
// message log\r
extern void lprintf(const char *fmt, ...);\r
\r
// external funcs for Sega/Mega CD\r
extern int  mp3_get_bitrate(void *f, int size);\r
extern void mp3_start_play(void *f, int pos);\r
extern void mp3_update(s32 *buffer, int length, int stereo);\r
\r
// this function should write-back d-cache and invalidate i-cache\r
// on a mem region [start_addr, end_addr)\r
// used by dynarecs\r
extern void cache_flush_d_inval_i(void *start_addr, void *end_addr);\r
\r
// attempt to alloc mem at specified address.\r
// alloc anywhere else if that fails (callers should handle that)\r
extern void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed);\r
extern void *plat_mremap(void *ptr, size_t oldsize, size_t newsize);\r
extern void  plat_munmap(void *ptr, size_t size);\r
\r
// memory for the dynarec; plat_mem_get_for_drc() can just return NULL\r
extern void *plat_mem_get_for_drc(size_t size);\r
extern int   plat_mem_set_exec(void *ptr, size_t size);\r
\r
// this one should handle display mode changes\r
extern void emu_video_mode_change(int start_line, int line_count, int start_col, int col_count);\r
\r
// this must switch to 16bpp mode\r
extern void emu_32x_startup(void);\r
\r
// optional 32X BIOS, should be left NULL if not used\r
// must be 256, 2048, 1024 bytes\r
extern void *p32x_bios_g, *p32x_bios_m, *p32x_bios_s;\r
\r
// Pico.c\r
#define POPT_EN_FM          (1<< 0) // 00 000x\r
#define POPT_EN_PSG         (1<< 1)\r
#define POPT_EN_Z80         (1<< 2)\r
#define POPT_EN_STEREO      (1<< 3)\r
#define POPT_ALT_RENDERER   (1<< 4) // 00 00x0\r
#define POPT_EN_YM2413      (1<< 5)\r
#define POPT_EN_SNDFILTER   (1<< 6)\r
#define POPT_ACC_SPRITES    (1<< 7)\r
#define POPT_DIS_32C_BORDER (1<< 8) // 00 0x00\r
#define POPT_EXT_FM         (1<< 9)\r
#define POPT_EN_MCD_PCM     (1<<10)\r
#define POPT_EN_MCD_CDDA    (1<<11)\r
#define POPT_EN_MCD_GFX     (1<<12) // 00 x000\r
#define POPT_EN_GG_LCD      (1<<13)\r
#define POPT_EN_SOFTSCALE   (1<<14)\r
#define POPT_EN_MCD_RAMCART (1<<15)\r
#define POPT_DIS_VDP_FIFO   (1<<16) // 0x 0000\r
#define POPT_EN_DRC         (1<<17)\r
#define POPT_DIS_SPRITE_LIM (1<<18)\r
#define POPT_DIS_IDLE_DET   (1<<19)\r
#define POPT_EN_32X         (1<<20) // x0 0000\r
#define POPT_EN_PWM         (1<<21)\r
#define POPT_PWM_IRQ_OPT    (1<<22)\r
#define POPT_DIS_FM_SSGEG   (1<<23)\r
#define POPT_EN_FM_DAC      (1<<24) //x00 0000\r
#define POPT_EN_FM_FILTER   (1<<25)\r
#define POPT_EN_KBD         (1<<26)\r
#define POPT_EN_MOUSE       (1<<27)\r
\r
#define PAHW_MCD    (1<<0)\r
#define PAHW_32X    (1<<1)\r
#define PAHW_SVP    (1<<2)\r
#define PAHW_PICO   (1<<3)\r
\r
#define PAHW_SMS    (1<<4)\r
#define PAHW_GG     (1<<5)\r
#define PAHW_SG     (1<<6)\r
#define PAHW_SC     (1<<7)\r
#define PAHW_8BIT   (PAHW_SMS|PAHW_GG|PAHW_SG|PAHW_SC)\r
\r
#define PHWS_AUTO   0\r
#define PHWS_GG     1\r
#define PHWS_SMS    2\r
#define PHWS_SG     3\r
#define PHWS_SC     4\r
\r
#define PQUIRK_FORCE_6BTN       (1<<0)\r
#define PQUIRK_BLACKTHORNE_HACK (1<<1)\r
#define PQUIRK_WWFRAW_HACK      (1<<2)\r
#define PQUIRK_MARSCHECK_HACK   (1<<3)\r
#define PQUIRK_NO_Z80_BUS_LOCK  (1<<4)\r
\r
// the emulator is configured and some status is reported\r
// through this global state (not saved in savestates)\r
typedef struct PicoInterface\r
{\r
	unsigned int opt; // POPT_* bitfield\r
\r
	unsigned short pad[4];         // Joypads, format is MXYZ SACB RLDU\r
	unsigned short padInt[4];      // internal copy\r
	unsigned short AHW;            // active addon hardware: PAHW_* bitfield\r
\r
	unsigned short kbd;            // SC-3000 or Pico Keyboard\r
	int mouse[4];                  // x,y mouse coordinates\r
	int mouseInt[4];               // internal copy\r
\r
	unsigned short quirks;         // game-specific quirks: PQUIRK_*\r
	unsigned short overclockM68k;  // overclock the emulated 68k, in %\r
\r
	unsigned short filter;         // softscale filter type\r
\r
	unsigned short skipFrame;      // skip rendering frame, but still do sound (if enabled) and emulation stuff\r
	unsigned short regionOverride; // override the region detection 0: auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe\r
	unsigned short autoRgnOrder;   // packed priority list of regions, for example 0x148 means this detection order: EUR, USA, JAP\r
	unsigned int hwSelect;         // hardware preselected via option menu\r
	unsigned int mapper;           // mapper selection for SMS, 0 = auto\r
	unsigned int tmsPalette;       // palette used by SMS in TMS graphic modes\r
\r
	int sndRate;                   // rate in Hz\r
	int sndFilterAlpha;            // Low pass sound filter alpha (Q16)\r
	short *sndOut;                 // PCM output buffer\r
	void (*writeSound)(int len);   // write .sndOut callback, called once per frame\r
\r
	void (*osdMessage)(const char *msg); // output OSD message from emu, optional\r
\r
	void (*mcdTrayOpen)(void);\r
	void (*mcdTrayClose)(void);\r
} PicoInterface;\r
\r
extern PicoInterface PicoIn;\r
\r
void PicoInit(void);\r
void PicoExit(void);\r
void PicoPower(void);\r
int  PicoReset(void);\r
void PicoLoopPrepare(void);\r
void PicoFrame(void);\r
void PicoFrameDrawOnly(void);\r
typedef enum { PI_ROM, PI_ISPAL, PI_IS40_CELL, PI_IS240_LINES } pint_t;\r
typedef union { int vint; void *vptr; } pint_ret_t;\r
void PicoGetInternal(pint_t which, pint_ret_t *ret);\r
\r
struct PicoEState;\r
\r
// pico.c\r
#define XPCM_BUFFER_SIZE 64\r
enum {\r
  PKEY_RELEASED = 0,\r
  PKEY_DOWN,\r
  PKEY_UP,\r
};\r
enum {\r
  PSHIFT_RELEASED = 0,\r
  PSHIFT_DOWN,\r
  PSHIFT_UP_HELD_DOWN,\r
  PSHIFT_RELEASED_HELD_DOWN,\r
  PSHIFT_UP\r
};\r
typedef struct\r
{\r
    uint8_t i;\r
    uint8_t mode;\r
    uint8_t neg;\r
    uint8_t has_read;\r
    uint8_t caps_lock;\r
    uint8_t has_caps_lock;\r
    uint32_t mem;\r
    uint64_t start_time_keydown;\r
    uint64_t time_keydown;\r
    uint8_t key_state;\r
    uint8_t shift_state;\r
    uint8_t active;\r
} picohw_kb;\r
typedef struct\r
{\r
	int pen_pos[2];\r
	int page;\r
	int fifo_bytes;      // bytes in FIFO\r
	unsigned short r1, r12;\r
	unsigned int reserved[3];\r
	unsigned char xpcm_buffer[XPCM_BUFFER_SIZE+4];\r
	unsigned char *xpcm_ptr;\r
	picohw_kb kb;\r
} picohw_state;\r
extern picohw_state PicoPicohw;\r
\r
// area.c\r
int PicoState(const char *fname, int is_save);\r
int PicoStateLoadGfx(const char *fname);\r
void *PicoTmpStateSave(void);\r
void  PicoTmpStateRestore(void *data);\r
extern void (*PicoStateProgressCB)(const char *str);\r
\r
// cd/cdd.c\r
int cdd_load(const char *filename, int type);\r
int cdd_unload(void);\r
\r
// Cart.c\r
typedef enum\r
{\r
	PMT_UNCOMPRESSED = 0,\r
	PMT_ZIP,\r
	PMT_CSO,\r
	PMT_CHD\r
} pm_type;\r
typedef struct\r
{\r
	void *file;		/* file handle */\r
	void *param;		/* additional file related field */\r
	unsigned int size;	/* size */\r
	pm_type type;\r
	char ext[4];\r
} pm_file;\r
pm_file *pm_open(const char *path);\r
void     pm_sectorsize(int length, pm_file *stream);\r
size_t   pm_read(void *ptr, size_t bytes, pm_file *stream);\r
size_t   pm_read_audio(void *ptr, size_t bytes, pm_file *stream);\r
int      pm_seek(pm_file *stream, long offset, int whence);\r
int      pm_close(pm_file *fp);\r
int PicoCartLoad(pm_file *f, const unsigned char *rom, unsigned int romsize,\r
  unsigned char **prom, unsigned int *psize, int is_sms);\r
int PicoCartInsert(unsigned char *rom, unsigned int romsize, const char *carthw_cfg);\r
void PicoCartUnload(void);\r
extern void (*PicoCartLoadProgressCB)(int percent);\r
extern void (*PicoCDLoadProgressCB)(const char *fname, int percent);\r
extern int PicoGameLoaded;\r
\r
// Draw.c\r
// for line-based renderer, set conversion\r
// from internal 8 bit representation in 'HighCol' to:\r
typedef enum\r
{\r
	PDF_NONE = 0,    // no conversion\r
	PDF_RGB555,      // RGB/BGR output, depends on compile options\r
	PDF_8BIT,        // 8-bit out (handles shadow/hilight mode, sonic water)\r
} pdso_t;\r
void PicoDrawSetOutFormat(pdso_t which, int use_32x_line_mode);\r
void PicoDrawSetOutBuf(void *dest, int increment);\r
void PicoDrawSetCallbacks(int (*begin)(unsigned int num), int (*end)(unsigned int num));\r
// utility\r
#ifdef _ASM_DRAW_C\r
void vidConvCpyRGB565(void *to, void *from, int pixels);\r
#endif\r
void PicoDoHighPal555(int sh, int line, struct PicoEState *est);\r
// internals, NB must keep in sync with ASM draw functions\r
#define PDRAW_WND_DIFF_PRIO (1<<1) // not all window tiles use same priority\r
#define PDRAW_PARSE_SPRITES (1<<2) // SAT needs parsing\r
#define PDRAW_INTERLACE     (1<<3)\r
#define PDRAW_DIRTY_SPRITES (1<<4) // SAT modified\r
#define PDRAW_SONIC_MODE    (1<<5) // mid-frame palette changes for 8bit renderer\r
#define PDRAW_PLANE_HI_PRIO (1<<6) // have layer with all hi prio tiles (mk3)\r
#define PDRAW_SHHI_DONE     (1<<7) // layer sh/hi already processed\r
#define PDRAW_32_COLS       (1<<8) // 32 columns mode\r
#define PDRAW_BORDER_32     (1<<9) // center H32 in buffer (32 px border)\r
#define PDRAW_SKIP_FRAME   (1<<10) // frame is skipped\r
#define PDRAW_30_ROWS      (1<<11) // 30 rows mode (240 lines)\r
#define PDRAW_32X_SCALE    (1<<12) // scale CLUT layer for 32X\r
#define PDRAW_SMS_BLANK_1  (1<<13) // 1st column blanked\r
#define PDRAW_BGC_DMA      (1<<14) // in background color DMA\r
#define PDRAW_SOFTSCALE    (1<<15) // H32 upscaling\r
#define PDRAW_SYNC_NEEDED  (1<<16) // redraw needed\r
#define PDRAW_SYNC_NEXT    (1<<17) // redraw next frame\r
extern int rendstatus_old;\r
extern int rendlines;\r
\r
// draw.c\r
void PicoDrawUpdateHighPal(void);\r
void PicoDrawSetInternalBuf(void *dest, int line_increment);\r
\r
// draw2.c\r
// stuff below is optional\r
extern unsigned short *PicoCramHigh; // pointer to CRAM buff (0x40 shorts), converted to native device color (works only with 16bit for now)\r
extern void (*PicoPrepareCram)(void);// prepares PicoCramHigh for renderer to use\r
\r
// pico.c (32x)\r
#ifndef NO_32X\r
\r
void Pico32xSetClocks(int msh2_hz, int ssh2_hz);\r
\r
#else\r
\r
#define Pico32xSetClocks(msh2_khz, ssh2_khz)\r
\r
#endif\r
\r
// normally 68k clock (7670442) * 3, in reality but much lower\r
// because of high memory latencies\r
#define PICO_MSH2_HZ ((int)(7670442.0 * 2.4))\r
#define PICO_SSH2_HZ ((int)(7670442.0 * 2.4))\r
\r
// sound.c\r
extern void (*PsndMix_32_to_16)(s16 *dest, s32 *src, int count);\r
void PsndRerate(int preserve_state);\r
\r
// media.c\r
enum media_type_e {\r
  PM_BAD_DETECT = -1,\r
  PM_ERROR = -2,\r
  PM_BAD_CD = -3,\r
  PM_BAD_CD_NO_BIOS = -4,\r
  PM_MD_CART = 1,	/* also 32x */\r
  PM_MARK3,\r
  PM_PICO,\r
  PM_CD,\r
};\r
\r
enum cd_track_type\r
{\r
  CT_UNKNOWN = 0,\r
  // data tracks\r
  CT_ISO = 1,	/* 2048 B/sector */\r
  CT_BIN = 2,	/* 2352 B/sector */\r
  // audio tracks\r
  CT_AUDIO = 8,\r
  CT_RAW = CT_AUDIO | 1,\r
  CT_CHD = CT_AUDIO | 2,\r
  CT_MP3 = CT_AUDIO | 3,\r
  CT_WAV = CT_AUDIO | 4,\r
};\r
\r
typedef struct\r
{\r
	char *fname;\r
	int pregap;		/* pregap for current track */\r
	int sector_offset;	/* in current file */\r
	int sector_xlength;\r
	int loop, loop_lba;	/* MEGASD extensions */\r
	enum cd_track_type type;\r
} cd_track_t;\r
\r
typedef struct\r
{\r
	int track_count;\r
	cd_track_t tracks[0];\r
} cd_data_t;\r
\r
\r
enum media_type_e PicoLoadMedia(const char *filename,\r
  const unsigned char *rom, unsigned int romsize,\r
  const char *carthw_cfg_fname,\r
  const char *(*get_bios_filename)(int *region, const char *cd_fname),\r
  const char *(*get_msu_filename)(const char *cd_fname),\r
  void (*do_region_override)(const char *media_filename));\r
int PicoCdCheck(const char *fname_in, int *pregion);\r
\r
extern unsigned char media_id_header[0x100];\r
\r
// memory.c\r
enum input_device {\r
  PICO_INPUT_NOTHING,\r
  PICO_INPUT_PAD_3BTN,\r
  PICO_INPUT_PAD_6BTN,\r
  PICO_INPUT_MOUSE,\r
  PICO_INPUT_PAD_TEAM,\r
  PICO_INPUT_PAD_4WAY,\r
};\r
void PicoSetInputDevice(int port, enum input_device device);\r
\r
#ifdef __cplusplus\r
} // End of extern "C"\r
#endif\r
\r
#endif // PICO_H\r
Commit	Line	Data
	1	/*\r
	2	* PicoDrive\r
	3	* (c) Copyright Dave, 2004\r
	4	* (C) notaz, 2006-2010\r
	5	*\r
	6	* This work is licensed under the terms of MAME license.\r
	7	* See COPYING file in the top-level directory.\r
	8	*/\r
	9	\r
	10	#ifndef PICO_H\r
	11	#define PICO_H\r
	12	\r
	13	#include <stdint.h> // [u]int<n>_t\r
	14	#include <stdlib.h> // size_t\r
	15	\r
	16	#ifdef __cplusplus\r
	17	extern "C" {\r
	18	#endif\r
	19	\r
	20	// message log\r
	21	extern void lprintf(const char *fmt, ...);\r
	22	\r
	23	// external funcs for Sega/Mega CD\r
	24	extern int mp3_get_bitrate(void *f, int size);\r
	25	extern void mp3_start_play(void *f, int pos);\r
	26	extern void mp3_update(s32 *buffer, int length, int stereo);\r
	27	\r
	28	// this function should write-back d-cache and invalidate i-cache\r
	29	// on a mem region [start_addr, end_addr)\r
	30	// used by dynarecs\r
	31	extern void cache_flush_d_inval_i(void start_addr, void end_addr);\r
	32	\r
	33	// attempt to alloc mem at specified address.\r
	34	// alloc anywhere else if that fails (callers should handle that)\r
	35	extern void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed);\r
	36	extern void plat_mremap(void ptr, size_t oldsize, size_t newsize);\r
	37	extern void plat_munmap(void *ptr, size_t size);\r
	38	\r
	39	// memory for the dynarec; plat_mem_get_for_drc() can just return NULL\r
	40	extern void *plat_mem_get_for_drc(size_t size);\r
	41	extern int plat_mem_set_exec(void *ptr, size_t size);\r
	42	\r
	43	// this one should handle display mode changes\r
	44	extern void emu_video_mode_change(int start_line, int line_count, int start_col, int col_count);\r
	45	\r
	46	// this must switch to 16bpp mode\r
	47	extern void emu_32x_startup(void);\r
	48	\r
	49	// optional 32X BIOS, should be left NULL if not used\r
	50	// must be 256, 2048, 1024 bytes\r
	51	extern void p32x_bios_g, p32x_bios_m, *p32x_bios_s;\r
	52	\r
	53	// Pico.c\r
	54	#define POPT_EN_FM (1<< 0) // 00 000x\r
	55	#define POPT_EN_PSG (1<< 1)\r
	56	#define POPT_EN_Z80 (1<< 2)\r
	57	#define POPT_EN_STEREO (1<< 3)\r
	58	#define POPT_ALT_RENDERER (1<< 4) // 00 00x0\r
	59	#define POPT_EN_YM2413 (1<< 5)\r
	60	#define POPT_EN_SNDFILTER (1<< 6)\r
	61	#define POPT_ACC_SPRITES (1<< 7)\r
	62	#define POPT_DIS_32C_BORDER (1<< 8) // 00 0x00\r
	63	#define POPT_EXT_FM (1<< 9)\r
	64	#define POPT_EN_MCD_PCM (1<<10)\r
	65	#define POPT_EN_MCD_CDDA (1<<11)\r
	66	#define POPT_EN_MCD_GFX (1<<12) // 00 x000\r
	67	#define POPT_EN_GG_LCD (1<<13)\r
	68	#define POPT_EN_SOFTSCALE (1<<14)\r
	69	#define POPT_EN_MCD_RAMCART (1<<15)\r
	70	#define POPT_DIS_VDP_FIFO (1<<16) // 0x 0000\r
	71	#define POPT_EN_DRC (1<<17)\r
	72	#define POPT_DIS_SPRITE_LIM (1<<18)\r
	73	#define POPT_DIS_IDLE_DET (1<<19)\r
	74	#define POPT_EN_32X (1<<20) // x0 0000\r
	75	#define POPT_EN_PWM (1<<21)\r
	76	#define POPT_PWM_IRQ_OPT (1<<22)\r
	77	#define POPT_DIS_FM_SSGEG (1<<23)\r
	78	#define POPT_EN_FM_DAC (1<<24) //x00 0000\r
	79	#define POPT_EN_FM_FILTER (1<<25)\r
	80	#define POPT_EN_KBD (1<<26)\r
	81	#define POPT_EN_MOUSE (1<<27)\r
	82	\r
	83	#define PAHW_MCD (1<<0)\r
	84	#define PAHW_32X (1<<1)\r
	85	#define PAHW_SVP (1<<2)\r
	86	#define PAHW_PICO (1<<3)\r
	87	\r
	88	#define PAHW_SMS (1<<4)\r
	89	#define PAHW_GG (1<<5)\r
	90	#define PAHW_SG (1<<6)\r
	91	#define PAHW_SC (1<<7)\r
	92	#define PAHW_8BIT (PAHW_SMS\|PAHW_GG\|PAHW_SG\|PAHW_SC)\r
	93	\r
	94	#define PHWS_AUTO 0\r
	95	#define PHWS_GG 1\r
	96	#define PHWS_SMS 2\r
	97	#define PHWS_SG 3\r
	98	#define PHWS_SC 4\r
	99	\r
	100	#define PQUIRK_FORCE_6BTN (1<<0)\r
	101	#define PQUIRK_BLACKTHORNE_HACK (1<<1)\r
	102	#define PQUIRK_WWFRAW_HACK (1<<2)\r
	103	#define PQUIRK_MARSCHECK_HACK (1<<3)\r
	104	#define PQUIRK_NO_Z80_BUS_LOCK (1<<4)\r
	105	\r
	106	// the emulator is configured and some status is reported\r
	107	// through this global state (not saved in savestates)\r
	108	typedef struct PicoInterface\r
	109	{\r
	110	unsigned int opt; // POPT_* bitfield\r
	111	\r
	112	unsigned short pad[4]; // Joypads, format is MXYZ SACB RLDU\r
	113	unsigned short padInt[4]; // internal copy\r
	114	unsigned short AHW; // active addon hardware: PAHW_* bitfield\r
	115	\r
	116	unsigned short kbd; // SC-3000 or Pico Keyboard\r
	117	int mouse[4]; // x,y mouse coordinates\r
	118	int mouseInt[4]; // internal copy\r
	119	\r
	120	unsigned short quirks; // game-specific quirks: PQUIRK_*\r
	121	unsigned short overclockM68k; // overclock the emulated 68k, in %\r
	122	\r
	123	unsigned short filter; // softscale filter type\r
	124	\r
	125	unsigned short skipFrame; // skip rendering frame, but still do sound (if enabled) and emulation stuff\r
	126	unsigned short regionOverride; // override the region detection 0: auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe\r
	127	unsigned short autoRgnOrder; // packed priority list of regions, for example 0x148 means this detection order: EUR, USA, JAP\r
	128	unsigned int hwSelect; // hardware preselected via option menu\r
	129	unsigned int mapper; // mapper selection for SMS, 0 = auto\r
	130	unsigned int tmsPalette; // palette used by SMS in TMS graphic modes\r
	131	\r
	132	int sndRate; // rate in Hz\r
	133	int sndFilterAlpha; // Low pass sound filter alpha (Q16)\r
	134	short *sndOut; // PCM output buffer\r
	135	void (*writeSound)(int len); // write .sndOut callback, called once per frame\r
	136	\r
	137	void (osdMessage)(const char msg); // output OSD message from emu, optional\r
	138	\r
	139	void (*mcdTrayOpen)(void);\r
	140	void (*mcdTrayClose)(void);\r
	141	} PicoInterface;\r
	142	\r
	143	extern PicoInterface PicoIn;\r
	144	\r
	145	void PicoInit(void);\r
	146	void PicoExit(void);\r
	147	void PicoPower(void);\r
	148	int PicoReset(void);\r
	149	void PicoLoopPrepare(void);\r
	150	void PicoFrame(void);\r
	151	void PicoFrameDrawOnly(void);\r
	152	typedef enum { PI_ROM, PI_ISPAL, PI_IS40_CELL, PI_IS240_LINES } pint_t;\r
	153	typedef union { int vint; void *vptr; } pint_ret_t;\r
	154	void PicoGetInternal(pint_t which, pint_ret_t *ret);\r
	155	\r
	156	struct PicoEState;\r
	157	\r
	158	// pico.c\r
	159	#define XPCM_BUFFER_SIZE 64\r
	160	enum {\r
	161	PKEY_RELEASED = 0,\r
	162	PKEY_DOWN,\r
	163	PKEY_UP,\r
	164	};\r
	165	enum {\r
	166	PSHIFT_RELEASED = 0,\r
	167	PSHIFT_DOWN,\r
	168	PSHIFT_UP_HELD_DOWN,\r
	169	PSHIFT_RELEASED_HELD_DOWN,\r
	170	PSHIFT_UP\r
	171	};\r
	172	typedef struct\r
	173	{\r
	174	uint8_t i;\r
	175	uint8_t mode;\r
	176	uint8_t neg;\r
	177	uint8_t has_read;\r
	178	uint8_t caps_lock;\r
	179	uint8_t has_caps_lock;\r
	180	uint32_t mem;\r
	181	uint64_t start_time_keydown;\r
	182	uint64_t time_keydown;\r
	183	uint8_t key_state;\r
	184	uint8_t shift_state;\r
	185	uint8_t active;\r
	186	} picohw_kb;\r
	187	typedef struct\r
	188	{\r
	189	int pen_pos[2];\r
	190	int page;\r
	191	int fifo_bytes; // bytes in FIFO\r
	192	unsigned short r1, r12;\r
	193	unsigned int reserved[3];\r
	194	unsigned char xpcm_buffer[XPCM_BUFFER_SIZE+4];\r
	195	unsigned char *xpcm_ptr;\r
	196	picohw_kb kb;\r
	197	} picohw_state;\r
	198	extern picohw_state PicoPicohw;\r
	199	\r
	200	// area.c\r
	201	int PicoState(const char *fname, int is_save);\r
	202	int PicoStateLoadGfx(const char *fname);\r
	203	void *PicoTmpStateSave(void);\r
	204	void PicoTmpStateRestore(void *data);\r
	205	extern void (PicoStateProgressCB)(const char str);\r
	206	\r
	207	// cd/cdd.c\r
	208	int cdd_load(const char *filename, int type);\r
	209	int cdd_unload(void);\r
	210	\r
	211	// Cart.c\r
	212	typedef enum\r
	213	{\r
	214	PMT_UNCOMPRESSED = 0,\r
	215	PMT_ZIP,\r
	216	PMT_CSO,\r
	217	PMT_CHD\r
	218	} pm_type;\r
	219	typedef struct\r
	220	{\r
	221	void file; / file handle */\r
	222	void param; / additional file related field */\r
	223	unsigned int size; /* size */\r
	224	pm_type type;\r
	225	char ext[4];\r
	226	} pm_file;\r
	227	pm_file pm_open(const char path);\r
	228	void pm_sectorsize(int length, pm_file *stream);\r
	229	size_t pm_read(void ptr, size_t bytes, pm_file stream);\r
	230	size_t pm_read_audio(void ptr, size_t bytes, pm_file stream);\r
	231	int pm_seek(pm_file *stream, long offset, int whence);\r
	232	int pm_close(pm_file *fp);\r
	233	int PicoCartLoad(pm_file f, const unsigned char rom, unsigned int romsize,\r
	234	unsigned char *prom, unsigned int psize, int is_sms);\r
	235	int PicoCartInsert(unsigned char rom, unsigned int romsize, const char carthw_cfg);\r
	236	void PicoCartUnload(void);\r
	237	extern void (*PicoCartLoadProgressCB)(int percent);\r
	238	extern void (PicoCDLoadProgressCB)(const char fname, int percent);\r
	239	extern int PicoGameLoaded;\r
	240	\r
	241	// Draw.c\r
	242	// for line-based renderer, set conversion\r
	243	// from internal 8 bit representation in 'HighCol' to:\r
	244	typedef enum\r
	245	{\r
	246	PDF_NONE = 0, // no conversion\r
	247	PDF_RGB555, // RGB/BGR output, depends on compile options\r
	248	PDF_8BIT, // 8-bit out (handles shadow/hilight mode, sonic water)\r
	249	} pdso_t;\r
	250	void PicoDrawSetOutFormat(pdso_t which, int use_32x_line_mode);\r
	251	void PicoDrawSetOutBuf(void *dest, int increment);\r
	252	void PicoDrawSetCallbacks(int (begin)(unsigned int num), int (end)(unsigned int num));\r
	253	// utility\r
	254	#ifdef _ASM_DRAW_C\r
	255	void vidConvCpyRGB565(void to, void from, int pixels);\r
	256	#endif\r
	257	void PicoDoHighPal555(int sh, int line, struct PicoEState *est);\r
	258	// internals, NB must keep in sync with ASM draw functions\r
	259	#define PDRAW_WND_DIFF_PRIO (1<<1) // not all window tiles use same priority\r
	260	#define PDRAW_PARSE_SPRITES (1<<2) // SAT needs parsing\r
	261	#define PDRAW_INTERLACE (1<<3)\r
	262	#define PDRAW_DIRTY_SPRITES (1<<4) // SAT modified\r
	263	#define PDRAW_SONIC_MODE (1<<5) // mid-frame palette changes for 8bit renderer\r
	264	#define PDRAW_PLANE_HI_PRIO (1<<6) // have layer with all hi prio tiles (mk3)\r
	265	#define PDRAW_SHHI_DONE (1<<7) // layer sh/hi already processed\r
	266	#define PDRAW_32_COLS (1<<8) // 32 columns mode\r
	267	#define PDRAW_BORDER_32 (1<<9) // center H32 in buffer (32 px border)\r
	268	#define PDRAW_SKIP_FRAME (1<<10) // frame is skipped\r
	269	#define PDRAW_30_ROWS (1<<11) // 30 rows mode (240 lines)\r
	270	#define PDRAW_32X_SCALE (1<<12) // scale CLUT layer for 32X\r
	271	#define PDRAW_SMS_BLANK_1 (1<<13) // 1st column blanked\r
	272	#define PDRAW_BGC_DMA (1<<14) // in background color DMA\r
	273	#define PDRAW_SOFTSCALE (1<<15) // H32 upscaling\r
	274	#define PDRAW_SYNC_NEEDED (1<<16) // redraw needed\r
	275	#define PDRAW_SYNC_NEXT (1<<17) // redraw next frame\r
	276	extern int rendstatus_old;\r
	277	extern int rendlines;\r
	278	\r
	279	// draw.c\r
	280	void PicoDrawUpdateHighPal(void);\r
	281	void PicoDrawSetInternalBuf(void *dest, int line_increment);\r
	282	\r
	283	// draw2.c\r
	284	// stuff below is optional\r
	285	extern unsigned short *PicoCramHigh; // pointer to CRAM buff (0x40 shorts), converted to native device color (works only with 16bit for now)\r
	286	extern void (*PicoPrepareCram)(void);// prepares PicoCramHigh for renderer to use\r
	287	\r
	288	// pico.c (32x)\r
	289	#ifndef NO_32X\r
	290	\r
	291	void Pico32xSetClocks(int msh2_hz, int ssh2_hz);\r
	292	\r
	293	#else\r
	294	\r
	295	#define Pico32xSetClocks(msh2_khz, ssh2_khz)\r
	296	\r
	297	#endif\r
	298	\r
	299	// normally 68k clock (7670442) * 3, in reality but much lower\r
	300	// because of high memory latencies\r
	301	#define PICO_MSH2_HZ ((int)(7670442.0 * 2.4))\r
	302	#define PICO_SSH2_HZ ((int)(7670442.0 * 2.4))\r
	303	\r
	304	// sound.c\r
	305	extern void (PsndMix_32_to_16)(s16 dest, s32 *src, int count);\r
	306	void PsndRerate(int preserve_state);\r
	307	\r
	308	// media.c\r
	309	enum media_type_e {\r
	310	PM_BAD_DETECT = -1,\r
	311	PM_ERROR = -2,\r
	312	PM_BAD_CD = -3,\r
	313	PM_BAD_CD_NO_BIOS = -4,\r
	314	PM_MD_CART = 1, /* also 32x */\r
	315	PM_MARK3,\r
	316	PM_PICO,\r
	317	PM_CD,\r
	318	};\r
	319	\r
	320	enum cd_track_type\r
	321	{\r
	322	CT_UNKNOWN = 0,\r
	323	// data tracks\r
	324	CT_ISO = 1, /* 2048 B/sector */\r
	325	CT_BIN = 2, /* 2352 B/sector */\r
	326	// audio tracks\r
	327	CT_AUDIO = 8,\r
	328	CT_RAW = CT_AUDIO \| 1,\r
	329	CT_CHD = CT_AUDIO \| 2,\r
	330	CT_MP3 = CT_AUDIO \| 3,\r
	331	CT_WAV = CT_AUDIO \| 4,\r
	332	};\r
	333	\r
	334	typedef struct\r
	335	{\r
	336	char *fname;\r
	337	int pregap; /* pregap for current track */\r
	338	int sector_offset; /* in current file */\r
	339	int sector_xlength;\r
	340	int loop, loop_lba; /* MEGASD extensions */\r
	341	enum cd_track_type type;\r
	342	} cd_track_t;\r
	343	\r
	344	typedef struct\r
	345	{\r
	346	int track_count;\r
	347	cd_track_t tracks[0];\r
	348	} cd_data_t;\r
	349	\r
	350	\r
	351	enum media_type_e PicoLoadMedia(const char *filename,\r
	352	const unsigned char *rom, unsigned int romsize,\r
	353	const char *carthw_cfg_fname,\r
	354	const char (get_bios_filename)(int region, const char cd_fname),\r
	355	const char (get_msu_filename)(const char *cd_fname),\r
	356	void (do_region_override)(const char media_filename));\r
	357	int PicoCdCheck(const char fname_in, int pregion);\r
	358	\r
	359	extern unsigned char media_id_header[0x100];\r
	360	\r
	361	// memory.c\r
	362	enum input_device {\r
	363	PICO_INPUT_NOTHING,\r
	364	PICO_INPUT_PAD_3BTN,\r
	365	PICO_INPUT_PAD_6BTN,\r
	366	PICO_INPUT_MOUSE,\r
	367	PICO_INPUT_PAD_TEAM,\r
	368	PICO_INPUT_PAD_4WAY,\r
	369	};\r
	370	void PicoSetInputDevice(int port, enum input_device device);\r
	371	\r
	372	#ifdef __cplusplus\r
	373	} // End of extern "C"\r
	374	#endif\r
	375	\r
	376	#endif // PICO_H\r