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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 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 | // port-specific compile-time settings\r |
16 | #include <port_config.h>\r |
17 | \r |
18 | #ifdef __cplusplus\r |
19 | extern "C" {\r |
20 | #endif\r |
21 | \r |
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22 | // external funcs for Sega/Mega CD\r |
23 | int mp3_get_bitrate(FILE *f, int size);\r |
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24 | void mp3_start_play(FILE *f, int pos);\r |
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25 | int mp3_get_offset(void); // 0-1023\r |
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26 | void mp3_update(int *buffer, int length, int stereo);\r |
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27 | \r |
28 | \r |
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29 | // Pico.c\r |
30 | // PicoOpt bits LSb->MSb:\r |
31 | // enable_ym2612&dac, enable_sn76496, enable_z80, stereo_sound,\r |
32 | // alt_renderer, 6button_gamepad, accurate_timing, accurate_sprites,\r |
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33 | // draw_no_32col_border, external_ym2612, enable_pcm, enable cdda\r |
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34 | // enable_cdgfx, cd_perfect_sync\r |
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35 | extern int PicoOpt;\r |
36 | extern int PicoVer;\r |
37 | extern int PicoSkipFrame; // skip rendering frame, but still do sound (if enabled) and emulation stuff\r |
38 | extern int PicoRegionOverride; // override the region detection 0: auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe\r |
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39 | extern int PicoAutoRgnOrder; // packed priority list of regions, for example 0x148 means this detection order: EUR, USA, JAP\r |
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40 | int PicoInit(void);\r |
41 | void PicoExit(void);\r |
42 | int PicoReset(int hard);\r |
43 | int PicoFrame(void);\r |
44 | extern int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU\r |
45 | extern int (*PicoCram)(int cram); // Callback to convert colour ram 0000bbb0 ggg0rrr0\r |
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46 | extern void (*PicoWriteSound)(int len); // called once per frame at the best time to send sound buffer (PsndOut) to hardware\r |
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47 | \r |
48 | int PicoFrameMCD(void);\r |
49 | \r |
50 | // Area.c\r |
51 | typedef size_t (arearw)(void *p, size_t _size, size_t _n, void *file);\r |
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52 | typedef size_t (areaeof)(void *file);\r |
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53 | typedef int (areaseek)(void *file, long offset, int whence);\r |
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54 | typedef int (areaclose)(void *file);\r |
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55 | // Save or load the state from PmovFile:\r |
56 | int PmovState(int PmovAction, void *PmovFile); // &1=for reading &2=for writing &4=volatile &8=non-volatile\r |
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57 | extern arearw *areaRead; // external read and write function pointers for\r |
58 | extern arearw *areaWrite; // gzip save state ability\r |
59 | extern areaeof *areaEof;\r |
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60 | extern areaseek *areaSeek;\r |
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61 | extern areaclose *areaClose;\r |
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62 | extern void (*PicoStateProgressCB)(const char *str);\r |
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63 | \r |
64 | // Cart.c\r |
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65 | typedef enum\r |
66 | {\r |
67 | PMT_UNCOMPRESSED = 0,\r |
68 | PMT_ZIP\r |
69 | } pm_type;\r |
70 | typedef struct\r |
71 | {\r |
72 | void *file; /* file handle */\r |
73 | void *param; /* additional file related field */\r |
74 | unsigned int size; /* size */\r |
75 | pm_type type;\r |
76 | } pm_file;\r |
77 | pm_file *pm_open(const char *path);\r |
78 | size_t pm_read(void *ptr, size_t bytes, pm_file *stream);\r |
79 | int pm_seek(pm_file *stream, long offset, int whence);\r |
80 | int pm_close(pm_file *fp);\r |
81 | int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize);\r |
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82 | int PicoCartInsert(unsigned char *rom,unsigned int romsize);\r |
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83 | void Byteswap(unsigned char *data,int len);\r |
84 | // anotherguest\r |
85 | int PicoUnloadCart(unsigned char* romdata);\r |
86 | \r |
87 | // Draw.c\r |
88 | void PicoDrawSetColorFormat(int which); // 0=BGR444, 1=RGB555, 2=8bit(HighPal pal)\r |
89 | extern void *DrawLineDest;\r |
90 | extern int (*PicoScan)(unsigned int num, void *data);\r |
91 | // internals\r |
92 | extern unsigned short HighPal[0x100];\r |
93 | extern int rendstatus;\r |
94 | // utility\r |
95 | #ifdef _ASM_DRAW_C\r |
96 | void *blockcpy(void *dst, const void *src, size_t n);\r |
97 | #else\r |
98 | #define blockcpy memcpy\r |
99 | #endif\r |
100 | \r |
101 | // Draw2.c\r |
102 | // stuff below is optional\r |
103 | extern unsigned short *PicoCramHigh; // pointer to CRAM buff (0x40 shorts), converted to native device color (works only with 16bit for now)\r |
104 | extern void (*PicoPrepareCram)(); // prepares PicoCramHigh for renderer to use\r |
105 | \r |
106 | // sound.c\r |
107 | extern int PsndRate,PsndLen;\r |
108 | extern short *PsndOut;\r |
109 | void sound_reset();\r |
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110 | void sound_rerate(int preserve_state);\r |
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111 | void z80_pack(unsigned char *data);\r |
112 | void z80_unpack(unsigned char *data);\r |
113 | void z80_reset();\r |
114 | \r |
115 | // Utils.c\r |
116 | extern int PicuAnd;\r |
117 | int PicuQuick(unsigned short *dest,unsigned short *src);\r |
118 | int PicuShrink(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r |
119 | int PicuShrinkReverse(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r |
120 | int PicuMerge(unsigned short *dest,int destLen,unsigned short *src,int srcLen);\r |
121 | \r |
122 | #ifdef __cplusplus\r |
123 | } // End of extern "C"\r |
124 | #endif\r |
125 | \r |
126 | #endif // PICO_H\r |