cff531af |
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 |
cc68a136 |
9 | \r |
10 | #ifndef PICO_H\r |
11 | #define PICO_H\r |
12 | \r |
21ebcfd3 |
13 | #include <stdlib.h> // size_t\r |
eff55556 |
14 | \r |
cc68a136 |
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 |
2446536b |
22 | // message log\r |
23 | extern void lprintf(const char *fmt, ...);\r |
24 | \r |
75736070 |
25 | // external funcs for Sega/Mega CD\r |
7c18e34a |
26 | extern int mp3_get_bitrate(void *f, int size);\r |
27 | extern void mp3_start_play(void *f, int pos);\r |
84100c0f |
28 | extern void mp3_update(int *buffer, int length, int stereo);\r |
29 | \r |
30 | // this function should write-back d-cache and invalidate i-cache\r |
31 | // on a mem region [start_addr, end_addr)\r |
b081408f |
32 | // used by dynarecs\r |
2446536b |
33 | extern void cache_flush_d_inval_i(void *start_addr, void *end_addr);\r |
cb0316e4 |
34 | \r |
b081408f |
35 | // attempt to alloc mem at specified address.\r |
36 | // alloc anywhere else if that fails (callers should handle that)\r |
e743be20 |
37 | extern void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed);\r |
b4db550e |
38 | extern void *plat_mremap(void *ptr, size_t oldsize, size_t newsize);\r |
b081408f |
39 | extern void plat_munmap(void *ptr, size_t size);\r |
c25d78ee |
40 | extern int plat_mem_set_exec(void *ptr, size_t size);\r |
b081408f |
41 | \r |
19954be1 |
42 | // this one should handle display mode changes\r |
43 | extern void emu_video_mode_change(int start_line, int line_count, int is_32cols);\r |
44 | \r |
ae87bffa |
45 | // this must switch to 16bpp mode\r |
974fdb5b |
46 | extern void emu_32x_startup(void);\r |
47 | \r |
83ff19ec |
48 | // optional 32X BIOS, should be left NULL if not used\r |
49 | // must be 256, 2048, 1024 bytes\r |
50 | extern void *p32x_bios_g, *p32x_bios_m, *p32x_bios_s;\r |
51 | \r |
cc68a136 |
52 | // Pico.c\r |
602133e1 |
53 | #define POPT_EN_FM (1<< 0) // 00 000x\r |
54 | #define POPT_EN_PSG (1<< 1)\r |
55 | #define POPT_EN_Z80 (1<< 2)\r |
56 | #define POPT_EN_STEREO (1<< 3)\r |
57 | #define POPT_ALT_RENDERER (1<< 4) // 00 00x0\r |
58 | #define POPT_6BTN_PAD (1<< 5)\r |
2aa27095 |
59 | // unused (1<< 6)\r |
602133e1 |
60 | #define POPT_ACC_SPRITES (1<< 7)\r |
61 | #define POPT_DIS_32C_BORDER (1<< 8) // 00 0x00\r |
62 | #define POPT_EXT_FM (1<< 9)\r |
63 | #define POPT_EN_MCD_PCM (1<<10)\r |
64 | #define POPT_EN_MCD_CDDA (1<<11)\r |
65 | #define POPT_EN_MCD_GFX (1<<12) // 00 x000\r |
66 | #define POPT_EN_MCD_PSYNC (1<<13)\r |
67 | #define POPT_EN_SOFTSCALE (1<<14)\r |
68 | #define POPT_EN_MCD_RAMCART (1<<15)\r |
69 | #define POPT_DIS_VDP_FIFO (1<<16) // 0x 0000\r |
70 | #define POPT_EN_SVP_DRC (1<<17)\r |
381eea9b |
71 | #define POPT_DIS_SPRITE_LIM (1<<18)\r |
053fd9b4 |
72 | #define POPT_DIS_IDLE_DET (1<<19)\r |
db1d3564 |
73 | #define POPT_EN_32X (1<<20)\r |
74 | #define POPT_EN_PWM (1<<21)\r |
602133e1 |
75 | extern int PicoOpt; // bitfield\r |
be2c4208 |
76 | \r |
fa22af4c |
77 | #define PAHW_MCD (1<<0)\r |
78 | #define PAHW_32X (1<<1)\r |
79 | #define PAHW_SVP (1<<2)\r |
80 | #define PAHW_PICO (1<<3)\r |
3e49ffd0 |
81 | #define PAHW_SMS (1<<4)\r |
fa22af4c |
82 | extern int PicoAHW; // Pico active hw\r |
fa22af4c |
83 | extern int PicoSkipFrame; // skip rendering frame, but still do sound (if enabled) and emulation stuff\r |
cc68a136 |
84 | extern int PicoRegionOverride; // override the region detection 0: auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe\r |
fa22af4c |
85 | extern int PicoAutoRgnOrder; // packed priority list of regions, for example 0x148 means this detection order: EUR, USA, JAP\r |
0ffefdb8 |
86 | extern int PicoSVPCycles;\r |
2aa27095 |
87 | void PicoInit(void);\r |
cc68a136 |
88 | void PicoExit(void);\r |
1cb1584b |
89 | void PicoPower(void);\r |
90 | int PicoReset(void);\r |
5e128c6d |
91 | void PicoLoopPrepare(void);\r |
2aa27095 |
92 | void PicoFrame(void);\r |
a12e0116 |
93 | void PicoFrameDrawOnly(void);\r |
cc68a136 |
94 | extern int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU\r |
a4edca53 |
95 | extern void (*PicoWriteSound)(int bytes); // called once per frame at the best time to send sound buffer (PsndOut) to hardware\r |
66fdc0f0 |
96 | extern void (*PicoMessage)(const char *msg); // callback to output text message from emu\r |
4609d0cd |
97 | typedef enum { PI_ROM, PI_ISPAL, PI_IS40_CELL, PI_IS240_LINES } pint_t;\r |
98 | typedef union { int vint; void *vptr; } pint_ret_t;\r |
99 | void PicoGetInternal(pint_t which, pint_ret_t *ret);\r |
cc68a136 |
100 | \r |
721cd396 |
101 | // cd/Pico.c\r |
721cd396 |
102 | extern void (*PicoMCDopenTray)(void);\r |
d687ef50 |
103 | extern void (*PicoMCDcloseTray)(void);\r |
0a051f55 |
104 | extern int PicoCDBuffers;\r |
105 | \r |
f3a57b2d |
106 | // pico.c\r |
ed367a3f |
107 | #define XPCM_BUFFER_SIZE (320+160)\r |
d49b10c2 |
108 | typedef struct\r |
109 | {\r |
110 | int pen_pos[2];\r |
111 | int page;\r |
112 | // internal\r |
fa22af4c |
113 | int fifo_bytes; // bytes in FIFO\r |
114 | int fifo_bytes_prev;\r |
ef4eb506 |
115 | int fifo_line_bytes; // float part, << 16\r |
d49b10c2 |
116 | int line_counter;\r |
ef4eb506 |
117 | unsigned short r1, r12;\r |
118 | unsigned char xpcm_buffer[XPCM_BUFFER_SIZE+4];\r |
119 | unsigned char *xpcm_ptr;\r |
d49b10c2 |
120 | } picohw_state;\r |
121 | extern picohw_state PicoPicohw;\r |
406c96c5 |
122 | \r |
bcc9eda0 |
123 | // area.c\r |
124 | int PicoState(const char *fname, int is_save);\r |
b4db550e |
125 | int PicoStateLoadGfx(const char *fname);\r |
126 | void *PicoTmpStateSave(void);\r |
127 | void PicoTmpStateRestore(void *data);\r |
76276b0b |
128 | extern void (*PicoStateProgressCB)(const char *str);\r |
cc68a136 |
129 | \r |
0a051f55 |
130 | // cd/buffering.c\r |
131 | void PicoCDBufferInit(void);\r |
132 | void PicoCDBufferFree(void);\r |
c9e1affc |
133 | void PicoCDBufferFlush(void);\r |
0a051f55 |
134 | \r |
eff55556 |
135 | // cd/cd_sys.c\r |
35e3031a |
136 | int Insert_CD(const char *cdimg_name, int type);\r |
eff55556 |
137 | void Stop_CD(void); // releases all resources taken when CD game was started.\r |
138 | \r |
cc68a136 |
139 | // Cart.c\r |
83bd0b76 |
140 | typedef enum\r |
141 | {\r |
142 | PMT_UNCOMPRESSED = 0,\r |
71de3cd9 |
143 | PMT_ZIP,\r |
144 | PMT_CSO\r |
83bd0b76 |
145 | } pm_type;\r |
146 | typedef struct\r |
147 | {\r |
148 | void *file; /* file handle */\r |
149 | void *param; /* additional file related field */\r |
150 | unsigned int size; /* size */\r |
151 | pm_type type;\r |
87b0845f |
152 | char ext[4];\r |
83bd0b76 |
153 | } pm_file;\r |
154 | pm_file *pm_open(const char *path);\r |
155 | size_t pm_read(void *ptr, size_t bytes, pm_file *stream);\r |
156 | int pm_seek(pm_file *stream, long offset, int whence);\r |
157 | int pm_close(pm_file *fp);\r |
3e49ffd0 |
158 | int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize,int is_sms);\r |
ae87bffa |
159 | int PicoCartInsert(unsigned char *rom, unsigned int romsize, const char *carthw_cfg);\r |
2aa27095 |
160 | void PicoCartUnload(void);\r |
a9b3ffd3 |
161 | extern void (*PicoCartLoadProgressCB)(int percent);\r |
b2451ac6 |
162 | extern void (*PicoCDLoadProgressCB)(const char *fname, int percent);\r |
4c2e3554 |
163 | extern int PicoGameLoaded;\r |
cc68a136 |
164 | \r |
165 | // Draw.c\r |
5a681086 |
166 | // for line-based renderer, set conversion\r |
167 | // from internal 8 bit representation in 'HighCol' to:\r |
168 | typedef enum\r |
169 | {\r |
170 | PDF_NONE = 0, // no conversion\r |
171 | PDF_RGB555, // RGB/BGR output, depends on compile options\r |
172 | PDF_8BIT, // 8-bit out (handles shadow/hilight mode, sonic water)\r |
173 | } pdso_t;\r |
174 | void PicoDrawSetOutFormat(pdso_t which, int allow_32x);\r |
175 | void PicoDrawSetOutBuf(void *dest, int increment);\r |
f4750ee0 |
176 | void PicoDrawSetCallbacks(int (*begin)(unsigned int num), int (*end)(unsigned int num));\r |
cc68a136 |
177 | extern void *DrawLineDest;\r |
ea8c405f |
178 | extern unsigned char *HighCol;\r |
cc68a136 |
179 | // utility\r |
180 | #ifdef _ASM_DRAW_C\r |
ea8c405f |
181 | void vidConvCpyRGB565(void *to, void *from, int pixels);\r |
cc68a136 |
182 | #endif\r |
e55f0cbb |
183 | void PicoDoHighPal555(int sh);\r |
fbc65db7 |
184 | extern int PicoDrawMask;\r |
185 | #define PDRAW_LAYERB_ON (1<<2)\r |
186 | #define PDRAW_LAYERA_ON (1<<3)\r |
187 | #define PDRAW_SPRITES_LOW_ON (1<<4)\r |
188 | #define PDRAW_SPRITES_HI_ON (1<<7)\r |
5e49c3a8 |
189 | #define PDRAW_32X_ON (1<<8)\r |
602133e1 |
190 | // internals\r |
947fb5f9 |
191 | #define PDRAW_SPRITES_MOVED (1<<0) // (asm)\r |
602133e1 |
192 | #define PDRAW_WND_DIFF_PRIO (1<<1) // not all window tiles use same priority\r |
f8af9634 |
193 | #define PDRAW_SPR_LO_ON_HI (1<<2) // seen sprites without layer pri bit ontop spr. with that bit\r |
947fb5f9 |
194 | #define PDRAW_INTERLACE (1<<3)\r |
195 | #define PDRAW_DIRTY_SPRITES (1<<4) // (asm)\r |
602133e1 |
196 | #define PDRAW_SONIC_MODE (1<<5) // mid-frame palette changes for 8bit renderer\r |
197 | #define PDRAW_PLANE_HI_PRIO (1<<6) // have layer with all hi prio tiles (mk3)\r |
198 | #define PDRAW_SHHI_DONE (1<<7) // layer sh/hi already processed\r |
ae87bffa |
199 | #define PDRAW_32_COLS (1<<8) // 32 column mode\r |
19954be1 |
200 | extern int rendstatus, rendstatus_old;\r |
ae87bffa |
201 | extern int rendlines;\r |
602133e1 |
202 | extern unsigned short HighPal[0x100];\r |
cc68a136 |
203 | \r |
5a681086 |
204 | // draw.c\r |
205 | void PicoDrawUpdateHighPal(void);\r |
206 | void PicoDrawSetInternalBuf(void *dest, int line_increment);\r |
207 | \r |
208 | // draw2.c\r |
cc68a136 |
209 | // stuff below is optional\r |
8e5427a0 |
210 | extern unsigned char *PicoDraw2FB; // buffer for fast renderer in format (8+320)x(8+224+8) (eights for borders)\r |
cc68a136 |
211 | extern unsigned short *PicoCramHigh; // pointer to CRAM buff (0x40 shorts), converted to native device color (works only with 16bit for now)\r |
212 | extern void (*PicoPrepareCram)(); // prepares PicoCramHigh for renderer to use\r |
213 | \r |
f3a57b2d |
214 | // pico.c (32x)\r |
ed4402a7 |
215 | #ifndef NO_32X\r |
216 | \r |
217 | void Pico32xSetClocks(int msh2_hz, int ssh2_hz);\r |
fcdefcf6 |
218 | \r |
5a681086 |
219 | // 32x/draw.c\r |
220 | void PicoDraw32xSetFrameMode(int is_on, int only_32x);\r |
5a681086 |
221 | \r |
ed4402a7 |
222 | #else\r |
223 | \r |
224 | #define Pico32xSetClocks(msh2_khz, ssh2_khz)\r |
225 | \r |
226 | #endif\r |
227 | \r |
228 | // normally 68k clock (7670442) * 3, in reality but much lower\r |
229 | // because of high memory latencies\r |
230 | #define PICO_MSH2_HZ ((int)(7670442.0 * 2.4))\r |
231 | #define PICO_SSH2_HZ ((int)(7670442.0 * 2.4))\r |
232 | \r |
cc68a136 |
233 | // sound.c\r |
234 | extern int PsndRate,PsndLen;\r |
235 | extern short *PsndOut;\r |
4a32f01f |
236 | extern void (*PsndMix_32_to_16l)(short *dest, int *src, int count);\r |
9d917eea |
237 | void PsndRerate(int preserve_state);\r |
cc68a136 |
238 | \r |
4c2e3554 |
239 | // media.c\r |
240 | enum media_type_e {\r |
241 | PM_BAD_DETECT = -1,\r |
242 | PM_ERROR = -2,\r |
243 | PM_BAD_CD = -3,\r |
244 | PM_BAD_CD_NO_BIOS = -4,\r |
245 | PM_MD_CART = 1, /* also 32x */\r |
246 | PM_MARK3,\r |
247 | PM_CD,\r |
248 | };\r |
249 | enum media_type_e PicoLoadMedia(const char *filename,\r |
250 | const char *carthw_cfg_fname,\r |
251 | const char *(*get_bios_filename)(int *region, const char *cd_fname),\r |
252 | void (*do_region_override)(const char *media_filename));\r |
253 | int PicoCdCheck(const char *fname_in, int *pregion);\r |
254 | \r |
255 | extern unsigned char media_id_header[0x100];\r |
256 | \r |
cc68a136 |
257 | #ifdef __cplusplus\r |
258 | } // End of extern "C"\r |
259 | #endif\r |
260 | \r |
261 | #endif // PICO_H\r |