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1\r
2// -------------------- Pico Library --------------------\r
3\r
4// Pico Library - Header File\r
5\r
6// (c) Copyright 2004 Dave, All rights reserved.\r
7// (c) Copyright 2006-2009 notaz, All rights reserved.\r
8// Free for non-commercial use.\r
9\r
10// For commercial use, separate licencing terms must be obtained.\r
11\r
12#ifndef PICO_H\r
13#define PICO_H\r
14\r
15#include <stdio.h>\r
16\r
17// port-specific compile-time settings\r
18#include <port_config.h>\r
19\r
20#ifdef __cplusplus\r
21extern "C" {\r
22#endif\r
23\r
24// external funcs for Sega/Mega CD\r
25extern int mp3_get_bitrate(FILE *f, int size);\r
26extern void mp3_start_play(FILE *f, int pos);\r
27extern void mp3_update(int *buffer, int length, int stereo);\r
28\r
29// this function should write-back d-cache and invalidate i-cache\r
30// on a mem region [start_addr, end_addr)\r
31// used by SVP dynarec\r
32extern void cache_flush_d_inval_i(const void *start_addr, const void *end_addr);\r
33\r
34// this one should handle display mode changes\r
35extern void emu_video_mode_change(int start_line, int line_count, int is_32cols);\r
36\r
37// this must switch to 32bpp mode\r
38extern void emu_32x_startup(void);\r
39\r
40// Pico.c\r
41#define POPT_EN_FM (1<< 0) // 00 000x\r
42#define POPT_EN_PSG (1<< 1)\r
43#define POPT_EN_Z80 (1<< 2)\r
44#define POPT_EN_STEREO (1<< 3)\r
45#define POPT_ALT_RENDERER (1<< 4) // 00 00x0\r
46#define POPT_6BTN_PAD (1<< 5)\r
47// unused (1<< 6)\r
48#define POPT_ACC_SPRITES (1<< 7)\r
49#define POPT_DIS_32C_BORDER (1<< 8) // 00 0x00\r
50#define POPT_EXT_FM (1<< 9)\r
51#define POPT_EN_MCD_PCM (1<<10)\r
52#define POPT_EN_MCD_CDDA (1<<11)\r
53#define POPT_EN_MCD_GFX (1<<12) // 00 x000\r
54#define POPT_EN_MCD_PSYNC (1<<13)\r
55#define POPT_EN_SOFTSCALE (1<<14)\r
56#define POPT_EN_MCD_RAMCART (1<<15)\r
57#define POPT_DIS_VDP_FIFO (1<<16) // 0x 0000\r
58#define POPT_EN_SVP_DRC (1<<17)\r
59#define POPT_DIS_SPRITE_LIM (1<<18)\r
60#define POPT_DIS_IDLE_DET (1<<19)\r
61#define POPT_DIS_32X (1<<20)\r
62extern int PicoOpt; // bitfield\r
63\r
64#define PAHW_MCD (1<<0)\r
65#define PAHW_32X (1<<1)\r
66#define PAHW_SVP (1<<2)\r
67#define PAHW_PICO (1<<3)\r
68#define PAHW_SMS (1<<4)\r
69extern int PicoAHW; // Pico active hw\r
70extern int PicoVer;\r
71extern int PicoSkipFrame; // skip rendering frame, but still do sound (if enabled) and emulation stuff\r
72extern int PicoRegionOverride; // override the region detection 0: auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe\r
73extern int PicoAutoRgnOrder; // packed priority list of regions, for example 0x148 means this detection order: EUR, USA, JAP\r
74extern int PicoSVPCycles;\r
75void PicoInit(void);\r
76void PicoExit(void);\r
77void PicoPower(void);\r
78int PicoReset(void);\r
79void PicoFrame(void);\r
80void PicoFrameDrawOnly(void);\r
81extern int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU\r
82extern void (*PicoWriteSound)(int len); // called once per frame at the best time to send sound buffer (PsndOut) to hardware\r
83extern void (*PicoMessage)(const char *msg); // callback to output text message from emu\r
84typedef enum { PI_ROM, PI_ISPAL, PI_IS40_CELL, PI_IS240_LINES } pint_t;\r
85typedef union { int vint; void *vptr; } pint_ret_t;\r
86void PicoGetInternal(pint_t which, pint_ret_t *ret);\r
87\r
88// cd/Pico.c\r
89extern void (*PicoMCDopenTray)(void);\r
90extern void (*PicoMCDcloseTray)(void);\r
91extern int PicoCDBuffers;\r
92\r
93// Pico/Pico.c\r
94#define XPCM_BUFFER_SIZE (320+160)\r
95typedef struct\r
96{\r
97 int pen_pos[2];\r
98 int page;\r
99 // internal\r
100 int fifo_bytes; // bytes in FIFO\r
101 int fifo_bytes_prev;\r
102 int fifo_line_bytes; // float part, << 16\r
103 int line_counter;\r
104 unsigned short r1, r12;\r
105 unsigned char xpcm_buffer[XPCM_BUFFER_SIZE+4];\r
106 unsigned char *xpcm_ptr;\r
107} picohw_state;\r
108extern picohw_state PicoPicohw;\r
109\r
110// area.c\r
111int PicoState(const char *fname, int is_save);\r
112int PicoStateLoadVDP(const char *fname);\r
113extern void (*PicoStateProgressCB)(const char *str);\r
114\r
115// cd/area.c\r
116int PicoCdLoadStateGfx(void *file);\r
117\r
118// cd/buffering.c\r
119void PicoCDBufferInit(void);\r
120void PicoCDBufferFree(void);\r
121void PicoCDBufferFlush(void);\r
122\r
123// cd/cd_sys.c\r
124int Insert_CD(const char *cdimg_name, int type);\r
125void Stop_CD(void); // releases all resources taken when CD game was started.\r
126\r
127// Cart.c\r
128typedef enum\r
129{\r
130 PMT_UNCOMPRESSED = 0,\r
131 PMT_ZIP,\r
132 PMT_CSO\r
133} pm_type;\r
134typedef struct\r
135{\r
136 void *file; /* file handle */\r
137 void *param; /* additional file related field */\r
138 unsigned int size; /* size */\r
139 pm_type type;\r
140 char ext[4];\r
141} pm_file;\r
142pm_file *pm_open(const char *path);\r
143size_t pm_read(void *ptr, size_t bytes, pm_file *stream);\r
144int pm_seek(pm_file *stream, long offset, int whence);\r
145int pm_close(pm_file *fp);\r
146int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize,int is_sms);\r
147int PicoCartInsert(unsigned char *rom,unsigned int romsize);\r
148void PicoCartUnload(void);\r
149extern void (*PicoCartLoadProgressCB)(int percent);\r
150extern void (*PicoCDLoadProgressCB)(const char *fname, int percent);\r
151\r
152// Draw.c\r
153void PicoDrawSetColorFormat(int which); // 0=BGR444, 1=RGB555, 2=8bit(HighPal pal)\r
154extern void *DrawLineDest;\r
155#if OVERRIDE_HIGHCOL\r
156extern unsigned char *HighCol;\r
157#else\r
158extern unsigned char HighCol[8+320+8];\r
159#endif\r
160extern int (*PicoScanBegin)(unsigned int num);\r
161extern int (*PicoScanEnd)(unsigned int num);\r
162// utility\r
163#ifdef _ASM_DRAW_C\r
164void vidConvCpyRGB565(void *to, void *from, int pixels);\r
165#endif\r
166void PicoDoHighPal555(int sh);\r
167extern int PicoDrawMask;\r
168#define PDRAW_LAYERB_ON (1<<2)\r
169#define PDRAW_LAYERA_ON (1<<3)\r
170#define PDRAW_SPRITES_LOW_ON (1<<4)\r
171#define PDRAW_SPRITES_HI_ON (1<<7)\r
172#define PDRAW_32X_ON (1<<8)\r
173// internals\r
174#define PDRAW_SPRITES_MOVED (1<<0) // (asm)\r
175#define PDRAW_WND_DIFF_PRIO (1<<1) // not all window tiles use same priority\r
176#define PDRAW_SPR_LO_ON_HI (1<<2) // seen sprites without layer pri bit ontop spr. with that bit\r
177#define PDRAW_INTERLACE (1<<3)\r
178#define PDRAW_DIRTY_SPRITES (1<<4) // (asm)\r
179#define PDRAW_SONIC_MODE (1<<5) // mid-frame palette changes for 8bit renderer\r
180#define PDRAW_PLANE_HI_PRIO (1<<6) // have layer with all hi prio tiles (mk3)\r
181#define PDRAW_SHHI_DONE (1<<7) // layer sh/hi already processed\r
182#define PDRAW_240LINES (1<<8) // 240 line display (224 if not set)\r
183extern int rendstatus, rendstatus_old;\r
184extern unsigned short HighPal[0x100];\r
185\r
186// Draw2.c\r
187// stuff below is optional\r
188extern unsigned char *PicoDraw2FB; // buffer for fast renderer in format (8+320)x(8+224+8) (eights for borders)\r
189extern unsigned short *PicoCramHigh; // pointer to CRAM buff (0x40 shorts), converted to native device color (works only with 16bit for now)\r
190extern void (*PicoPrepareCram)(); // prepares PicoCramHigh for renderer to use\r
191\r
192// sound.c\r
193extern int PsndRate,PsndLen;\r
194extern short *PsndOut;\r
195extern void (*PsndMix_32_to_16l)(short *dest, int *src, int count);\r
196void PsndRerate(int preserve_state);\r
197\r
198// Utils.c\r
199extern int PicuAnd;\r
200int PicuQuick(unsigned short *dest,unsigned short *src);\r
201int PicuShrink(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r
202int PicuShrinkReverse(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r
203int PicuMerge(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r
204\r
205#ifdef __cplusplus\r
206} // End of extern "C"\r
207#endif\r
208\r
209#endif // PICO_H\r
fast MegaDrive/MegaCD/32X emulator