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1 | // (c) Copyright 2006 notaz, All rights reserved.\r |
2 | // Free for non-commercial use.\r |
3 | \r |
4 | // For commercial use, separate licencing terms must be obtained.\r |
5 | \r |
6 | #include <stdio.h>\r |
7 | #include <stdlib.h>\r |
8 | #include <sys/time.h>\r |
9 | #include <linux/limits.h>\r |
10 | #include <ctype.h>\r |
11 | #include <unistd.h>\r |
12 | \r |
13 | #include <stdarg.h>\r |
14 | \r |
15 | #include "emu.h"\r |
16 | #include "gp2x.h"\r |
17 | #include "usbjoy.h"\r |
18 | #include "menu.h"\r |
19 | #include "asmutils.h"\r |
20 | #include "cpuctrl.h"\r |
21 | \r |
22 | #include "Pico/PicoInt.h"\r |
23 | #include "zlib/zlib.h"\r |
24 | \r |
25 | \r |
26 | #ifdef BENCHMARK\r |
27 | #define OSD_FPS_X 220\r |
28 | #else\r |
29 | #define OSD_FPS_X 260\r |
30 | #endif\r |
31 | \r |
32 | // PicoPad[] format: SACB RLDU\r |
33 | char *actionNames[] = {\r |
34 | "UP", "DOWN", "LEFT", "RIGHT", "B", "C", "A", "START",\r |
35 | 0, 0, 0, 0, 0, 0, 0, 0, // Z, Y, X, MODE (enabled only when needed), ?, ?, ?, ?\r |
36 | 0, 0, 0, 0, 0, 0, 0, "ENTER MENU", // player2_flag, ?, ?, ?, ?, ?, ?, menu\r |
37 | "NEXT SAVE SLOT", "PREV SAVE SLOT", "SWITCH RENDERER", "SAVE STATE",\r |
38 | "LOAD STATE", "VOLUME UP", "VOLUME DOWN", "DONE"\r |
39 | };\r |
40 | \r |
41 | int engineState;\r |
42 | int select_exits = 0;\r |
43 | char *PicoConfigFile = "picoconfig.bin";\r |
44 | currentConfig_t currentConfig;\r |
45 | \r |
46 | char romFileName[PATH_MAX];\r |
47 | unsigned char *rom_data = NULL;\r |
48 | \r |
49 | extern int crashed_940;\r |
50 | \r |
51 | static char noticeMsg[64]; // notice msg to draw\r |
52 | static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r |
53 | static int reset_timing, osd_fps_x;\r |
54 | static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos\r |
55 | static int gp2x_old_gamma = 100;\r |
56 | static unsigned char *movie_data = NULL;\r |
57 | static int movie_size = 0;\r |
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58 | int frame_count = 0;\r |
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59 | unsigned char *framebuff = 0; // temporary buffer for alt renderer\r |
60 | int state_slot = 0;\r |
61 | \r |
62 | /*\r |
63 | // tmp\r |
64 | static FILE *logf = NULL;\r |
65 | \r |
66 | void pprintf(char *texto, ...)\r |
67 | {\r |
68 | va_list args;\r |
69 | \r |
70 | va_start(args,texto);\r |
71 | vfprintf(logf,texto,args);\r |
72 | va_end(args);\r |
73 | fflush(logf);\r |
74 | sync();\r |
75 | }\r |
76 | */\r |
77 | // utilities\r |
78 | static void strlwr(char* string)\r |
79 | {\r |
80 | while ( (*string++ = (char)tolower(*string)) );\r |
81 | }\r |
82 | \r |
83 | static int try_rfn_ext(char *ext)\r |
84 | {\r |
85 | FILE *tmp;\r |
86 | char *p;\r |
87 | \r |
88 | p = romFileName + strlen(romFileName) - 4;\r |
89 | if (p < romFileName) p = romFileName;\r |
90 | strcpy(p, ext);\r |
91 | \r |
92 | if((tmp = fopen(romFileName, "rb"))) {\r |
93 | fclose(tmp);\r |
94 | return 1;\r |
95 | }\r |
96 | return 0;\r |
97 | }\r |
98 | \r |
99 | int emu_ReloadRom(void)\r |
100 | {\r |
101 | unsigned int rom_size = 0;\r |
102 | char ext[5], *p;\r |
103 | FILE *rom;\r |
104 | int ret;\r |
105 | \r |
106 | printf("emu_ReloadRom(%s)\n", romFileName);\r |
107 | \r |
108 | // detect wrong extensions (.srm and .mds)\r |
109 | p = romFileName + strlen(romFileName) - 4;\r |
110 | if (p < romFileName) p = romFileName;\r |
111 | strncpy(ext, p, 4);\r |
112 | ext[4] = 0;\r |
113 | strlwr(ext);\r |
114 | \r |
115 | if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r |
116 | sprintf(menuErrorMsg, "Not a ROM selected.");\r |
117 | return 0;\r |
118 | }\r |
119 | \r |
120 | // check for movie file\r |
121 | if(movie_data) {\r |
122 | free(movie_data);\r |
123 | movie_data = 0;\r |
124 | }\r |
125 | if(!strcmp(ext, ".gmv")) {\r |
126 | // check for both gmv and rom\r |
127 | int dummy;\r |
128 | FILE *movie_file = fopen(romFileName, "rb");\r |
129 | if(!movie_file) {\r |
130 | sprintf(menuErrorMsg, "Failed to open movie.");\r |
131 | return 0;\r |
132 | }\r |
133 | fseek(movie_file, 0, SEEK_END);\r |
134 | movie_size = ftell(movie_file);\r |
135 | fseek(movie_file, 0, SEEK_SET);\r |
136 | if(movie_size < 64+3) {\r |
137 | sprintf(menuErrorMsg, "Invalid GMV file.");\r |
138 | fclose(movie_file);\r |
139 | return 0;\r |
140 | }\r |
141 | movie_data = malloc(movie_size);\r |
142 | if(movie_data == NULL) {\r |
143 | sprintf(menuErrorMsg, "low memory.");\r |
144 | fclose(movie_file);\r |
145 | return 0;\r |
146 | }\r |
147 | fread(movie_data, 1, movie_size, movie_file);\r |
148 | fclose(movie_file);\r |
149 | if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r |
150 | sprintf(menuErrorMsg, "Invalid GMV file.");\r |
151 | return 0;\r |
152 | }\r |
153 | dummy = try_rfn_ext(".zip") || try_rfn_ext(".bin") ||\r |
154 | try_rfn_ext(".smd") || try_rfn_ext(".gen");\r |
155 | if (!dummy) {\r |
156 | sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r |
157 | return 0;\r |
158 | }\r |
159 | }\r |
160 | \r |
161 | rom = fopen(romFileName, "rb");\r |
162 | if(!rom) {\r |
163 | sprintf(menuErrorMsg, "Failed to open rom.");\r |
164 | return 0;\r |
165 | }\r |
166 | \r |
167 | if(rom_data) {\r |
168 | free(rom_data);\r |
169 | rom_data = 0;\r |
170 | rom_size = 0;\r |
171 | }\r |
172 | \r |
173 | // zipfile support\r |
174 | if(!strcasecmp(ext, ".zip")) {\r |
175 | fclose(rom);\r |
176 | ret = CartLoadZip(romFileName, &rom_data, &rom_size);\r |
177 | if(ret) {\r |
178 | if (ret == 4) strcpy(menuErrorMsg, "No ROMs in zip found.");\r |
179 | else sprintf(menuErrorMsg, "Unzip failed with code %i", ret);\r |
180 | printf("%s\n", menuErrorMsg);\r |
181 | return 0;\r |
182 | }\r |
183 | } else {\r |
184 | if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r |
185 | sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r |
186 | printf("%s\n", menuErrorMsg);\r |
187 | fclose(rom);\r |
188 | return 0;\r |
189 | }\r |
190 | fclose(rom);\r |
191 | }\r |
192 | \r |
193 | // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r |
194 | if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r |
195 | ((*(unsigned short *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r |
196 | if (rom_data) free(rom_data);\r |
197 | rom_data = 0;\r |
198 | sprintf(menuErrorMsg, "Not a ROM selected.");\r |
199 | return 0;\r |
200 | }\r |
201 | \r |
202 | printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r |
203 | if(PicoCartInsert(rom_data, rom_size)) {\r |
204 | sprintf(menuErrorMsg, "Failed to load ROM.");\r |
205 | return 0;\r |
206 | }\r |
207 | \r |
208 | // load config for this ROM\r |
209 | ret = emu_ReadConfig(1);\r |
210 | if (!ret)\r |
211 | emu_ReadConfig(0);\r |
212 | \r |
213 | // emu_ReadConfig() might have messed currentConfig.lastRomFile\r |
214 | strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);\r |
215 | currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;\r |
216 | \r |
217 | // additional movie stuff\r |
218 | if(movie_data) {\r |
219 | if(movie_data[0x14] == '6')\r |
220 | PicoOpt |= 0x20; // 6 button pad\r |
221 | else PicoOpt &= ~0x20;\r |
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222 | PicoOpt |= 0x40; // accurate timing\r |
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223 | if(movie_data[0xF] >= 'A') {\r |
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224 | if(movie_data[0x16] & 0x80) {\r |
225 | PicoRegionOverride = 8;\r |
226 | } else {\r |
227 | PicoRegionOverride = 4;\r |
228 | }\r |
229 | PicoReset(0);\r |
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230 | // TODO: bits 6 & 5\r |
231 | }\r |
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232 | movie_data[0x18+30] = 0;\r |
233 | sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r |
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234 | }\r |
235 | else\r |
236 | {\r |
237 | if(Pico.m.pal) {\r |
238 | strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r |
239 | } else {\r |
240 | strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r |
241 | }\r |
242 | }\r |
243 | gettimeofday(¬iceMsgTime, 0);\r |
244 | \r |
245 | // load SRAM for this ROM\r |
246 | if(currentConfig.EmuOpt & 1)\r |
247 | emu_SaveLoadGame(1, 1);\r |
248 | \r |
249 | frame_count = 0;\r |
250 | \r |
251 | return 1;\r |
252 | }\r |
253 | \r |
254 | \r |
255 | void emu_Init(void)\r |
256 | {\r |
257 | // make temp buffer for alt renderer\r |
258 | framebuff = malloc((8+320)*(8+240+8));\r |
259 | if (!framebuff)\r |
260 | {\r |
261 | printf("framebuff == 0\n");\r |
262 | }\r |
263 | \r |
264 | PicoInit();\r |
265 | \r |
266 | // logf = fopen("log.txt", "w");\r |
267 | }\r |
268 | \r |
269 | \r |
270 | static void romfname_ext(char *dst, char *ext)\r |
271 | {\r |
272 | char *p;\r |
273 | \r |
274 | // make save filename\r |
275 | for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r |
276 | strncpy(dst, p, 511);\r |
277 | dst[511-8] = 0;\r |
278 | if(dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r |
279 | strcat(dst, ext);\r |
280 | }\r |
281 | \r |
282 | \r |
283 | static void find_combos(void)\r |
284 | {\r |
285 | int act, u;\r |
286 | \r |
287 | // find out which keys and actions are combos\r |
288 | combo_keys = combo_acts = 0;\r |
289 | for (act = 0; act < 32; act++)\r |
290 | {\r |
291 | int keyc = 0;\r |
292 | if (act == 16) continue; // player2 flag\r |
293 | for (u = 0; u < 32; u++)\r |
294 | {\r |
295 | if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r |
296 | }\r |
297 | if (keyc > 1)\r |
298 | {\r |
299 | // loop again and mark those keys and actions as combo\r |
300 | for (u = 0; u < 32; u++)\r |
301 | {\r |
302 | if (currentConfig.KeyBinds[u] & (1 << act)) {\r |
303 | combo_keys |= 1 << u;\r |
304 | combo_acts |= 1 << act;\r |
305 | }\r |
306 | }\r |
307 | }\r |
308 | }\r |
309 | // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);\r |
310 | }\r |
311 | \r |
312 | \r |
313 | int emu_ReadConfig(int game)\r |
314 | {\r |
315 | FILE *f;\r |
316 | char cfg[512];\r |
317 | int bread = 0;\r |
318 | \r |
319 | if (!game)\r |
320 | {\r |
321 | // set default config\r |
322 | memset(¤tConfig, 0, sizeof(currentConfig));\r |
323 | currentConfig.lastRomFile[0] = 0;\r |
324 | currentConfig.EmuOpt = 0x1f;\r |
325 | currentConfig.PicoOpt = 0x0f;\r |
326 | currentConfig.PsndRate = 22050;\r |
327 | currentConfig.PicoRegion = 0; // auto\r |
328 | currentConfig.Frameskip = -1; // auto\r |
329 | currentConfig.CPUclock = 200;\r |
330 | currentConfig.volume = 50;\r |
331 | currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU\r |
332 | currentConfig.KeyBinds[ 4] = 1<<1;\r |
333 | currentConfig.KeyBinds[ 2] = 1<<2;\r |
334 | currentConfig.KeyBinds[ 6] = 1<<3;\r |
335 | currentConfig.KeyBinds[14] = 1<<4;\r |
336 | currentConfig.KeyBinds[13] = 1<<5;\r |
337 | currentConfig.KeyBinds[12] = 1<<6;\r |
338 | currentConfig.KeyBinds[ 8] = 1<<7;\r |
339 | currentConfig.KeyBinds[15] = 1<<26; // switch rend\r |
340 | currentConfig.KeyBinds[10] = 1<<27; // save state\r |
341 | currentConfig.KeyBinds[11] = 1<<28; // load state\r |
342 | currentConfig.KeyBinds[23] = 1<<29; // vol up\r |
343 | currentConfig.KeyBinds[22] = 1<<30; // vol down\r |
344 | currentConfig.gamma = 100;\r |
345 | strncpy(cfg, PicoConfigFile, 511);\r |
346 | cfg[511] = 0;\r |
347 | } else {\r |
348 | romfname_ext(cfg, ".pbcfg");\r |
349 | }\r |
350 | \r |
351 | printf("emu_ReadConfig: %s ", cfg);\r |
352 | f = fopen(cfg, "rb");\r |
353 | if (f) {\r |
354 | bread = fread(¤tConfig, 1, sizeof(currentConfig), f);\r |
355 | fclose(f);\r |
356 | }\r |
357 | printf((bread == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r |
358 | \r |
359 | PicoOpt = currentConfig.PicoOpt;\r |
360 | PsndRate = currentConfig.PsndRate;\r |
361 | PicoRegionOverride = currentConfig.PicoRegion;\r |
362 | if (PicoOpt & 0x20) {\r |
363 | actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r |
364 | actionNames[10] = "X"; actionNames[11] = "MODE";\r |
365 | }\r |
366 | // some sanity checks\r |
367 | if (currentConfig.CPUclock < 1 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r |
368 | if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r |
369 | // if volume keys are unbound, bind them to volume control\r |
370 | if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r |
371 | currentConfig.KeyBinds[23] = 1<<29; // vol up\r |
372 | currentConfig.KeyBinds[22] = 1<<30; // vol down\r |
373 | }\r |
374 | \r |
375 | return (bread == sizeof(currentConfig));\r |
376 | }\r |
377 | \r |
378 | \r |
379 | int emu_WriteConfig(int game)\r |
380 | {\r |
381 | FILE *f;\r |
382 | char cfg[512];\r |
383 | int bwrite = 0;\r |
384 | \r |
385 | if (!game)\r |
386 | {\r |
387 | strncpy(cfg, PicoConfigFile, 511);\r |
388 | cfg[511] = 0;\r |
389 | } else {\r |
390 | romfname_ext(cfg, ".pbcfg");\r |
391 | }\r |
392 | \r |
393 | printf("emu_WriteConfig: %s ", cfg);\r |
394 | f = fopen(cfg, "wb");\r |
395 | if (f) {\r |
396 | currentConfig.PicoOpt = PicoOpt;\r |
397 | currentConfig.PsndRate = PsndRate;\r |
398 | currentConfig.PicoRegion = PicoRegionOverride;\r |
399 | bwrite = fwrite(¤tConfig, 1, sizeof(currentConfig), f);\r |
400 | fflush(f);\r |
401 | fclose(f);\r |
402 | sync();\r |
403 | }\r |
404 | printf((bwrite == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r |
405 | \r |
406 | return (bwrite == sizeof(currentConfig));\r |
407 | }\r |
408 | \r |
409 | \r |
410 | void emu_Deinit(void)\r |
411 | {\r |
412 | // save SRAM\r |
413 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
414 | emu_SaveLoadGame(0, 1);\r |
415 | SRam.changed = 0;\r |
416 | }\r |
417 | \r |
418 | if (!(currentConfig.EmuOpt & 0x20))\r |
419 | emu_WriteConfig(0);\r |
420 | free(framebuff);\r |
421 | \r |
422 | PicoExit();\r |
423 | // fclose(logf);\r |
424 | \r |
425 | // restore gamma\r |
426 | if (gp2x_old_gamma != 100)\r |
427 | set_gamma(100);\r |
428 | }\r |
429 | \r |
430 | \r |
431 | void osd_text(int x, int y, char *text)\r |
432 | {\r |
433 | int len = strlen(text)*8;\r |
434 | \r |
435 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
436 | int *p, i, h, black, white;\r |
437 | if (PicoOpt&0x10) {\r |
438 | black = 0x40404040; white = 0x41;\r |
439 | } else {\r |
440 | black = 0xe0e0e0e0; white = 0xf0;\r |
441 | }\r |
442 | x &= ~3; // align x\r |
443 | len = (len+3) >> 2;\r |
444 | for (h = 0; h < 8; h++) {\r |
445 | p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r |
446 | for (i = len; i; i--, p++) *p = black;\r |
447 | }\r |
448 | gp2x_text_out8_2(x, y, text, white);\r |
449 | } else {\r |
450 | int *p, i, h;\r |
451 | x &= ~1; // align x\r |
452 | len = (len+1) >> 1;\r |
453 | for (h = 0; h < 8; h++) {\r |
454 | p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r |
455 | for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r |
456 | }\r |
457 | gp2x_text_out15(x, y, text);\r |
458 | }\r |
459 | }\r |
460 | \r |
461 | static int EmuScan16(unsigned int num, void *sdata)\r |
462 | {\r |
463 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
464 | DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);\r |
465 | \r |
466 | return 0;\r |
467 | }\r |
468 | \r |
469 | static int EmuScan8(unsigned int num, void *sdata)\r |
470 | {\r |
471 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
472 | DrawLineDest = (unsigned char *) gp2x_screen + 320*(num+1);\r |
473 | \r |
474 | return 0;\r |
475 | }\r |
476 | \r |
477 | static int localPal[0x100];\r |
478 | static void (*vidCpyM2)(void *dest, void *src) = NULL;\r |
479 | \r |
480 | static void blit(char *fps, char *notice)\r |
481 | {\r |
482 | if (PicoOpt&0x10) {\r |
483 | // 8bit fast renderer\r |
484 | if (Pico.m.dirtyPal) {\r |
485 | Pico.m.dirtyPal = 0;\r |
486 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
487 | // feed new palette to our device\r |
488 | gp2x_video_setpalette(localPal, 0x40);\r |
489 | }\r |
490 | vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);\r |
491 | } else if (!(currentConfig.EmuOpt&0x80)) {\r |
492 | // 8bit accurate renderer\r |
493 | if (Pico.m.dirtyPal) {\r |
494 | Pico.m.dirtyPal = 0;\r |
495 | if(Pico.video.reg[0xC]&8) { // shadow/hilight mode\r |
496 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
497 | vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r |
498 | vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r |
499 | blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);\r |
500 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
501 | localPal[0xf0] = 0x00ffffff;\r |
502 | gp2x_video_setpalette(localPal, 0x100);\r |
503 | } else if (rendstatus & 0x20) { // mid-frame palette changes\r |
504 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
505 | vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r |
506 | vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r |
507 | gp2x_video_setpalette(localPal, 0xc0);\r |
508 | } else {\r |
509 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
510 | gp2x_video_setpalette(localPal, 0x40);\r |
511 | }\r |
512 | }\r |
513 | }\r |
514 | \r |
515 | if (notice) osd_text(4, 232, notice);\r |
516 | if (currentConfig.EmuOpt & 2)\r |
517 | osd_text(osd_fps_x, 232, fps);\r |
518 | \r |
519 | //gp2x_video_wait_vsync();\r |
520 | gp2x_video_flip();\r |
521 | \r |
522 | if (!(PicoOpt&0x10)) {\r |
523 | if (!(Pico.video.reg[1]&8)) {\r |
524 | if (currentConfig.EmuOpt&0x80) {\r |
525 | DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r |
526 | } else {\r |
527 | DrawLineDest = (unsigned char *) gp2x_screen + 320*8;\r |
528 | }\r |
529 | } else {\r |
530 | DrawLineDest = gp2x_screen;\r |
531 | }\r |
532 | }\r |
533 | }\r |
534 | \r |
535 | \r |
536 | // clears whole screen or just the notice area (in all buffers)\r |
537 | static void clearArea(int full)\r |
538 | {\r |
539 | if (PicoOpt&0x10) {\r |
540 | // 8bit fast renderer\r |
541 | if (full) gp2x_memset_all_buffers(0, 0x40, 320*240);\r |
542 | else gp2x_memset_all_buffers(320*232, 0x40, 320*8);\r |
543 | } else if (currentConfig.EmuOpt&0x80) {\r |
544 | // 16bit accurate renderer\r |
545 | if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r |
546 | else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r |
547 | } else {\r |
548 | // 8bit accurate renderer\r |
549 | if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
550 | else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r |
551 | }\r |
552 | }\r |
553 | \r |
554 | \r |
555 | static void vidResetMode(void)\r |
556 | {\r |
557 | if (PicoOpt&0x10) {\r |
558 | localPal[0x40] = 0;\r |
559 | localPal[0x41] = 0x00ffffff;\r |
560 | gp2x_video_changemode(8);\r |
561 | gp2x_video_setpalette(localPal, 0x42);\r |
562 | gp2x_memset_all_buffers(0, 0x40, 320*240);\r |
563 | gp2x_video_flip();\r |
564 | } else if (currentConfig.EmuOpt&0x80) {\r |
565 | gp2x_video_changemode(15);\r |
566 | PicoDrawSetColorFormat(1);\r |
567 | PicoScan = EmuScan16;\r |
568 | PicoScan(0, 0);\r |
569 | } else {\r |
570 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
571 | localPal[0xf0] = 0x00ffffff;\r |
572 | gp2x_video_changemode(8);\r |
573 | gp2x_video_setpalette(localPal, 0x100);\r |
574 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
575 | gp2x_video_flip();\r |
576 | PicoDrawSetColorFormat(2);\r |
577 | PicoScan = EmuScan8;\r |
578 | PicoScan(0, 0);\r |
579 | }\r |
580 | Pico.m.dirtyPal = 1;\r |
581 | // reset scaling\r |
582 | gp2x_video_RGB_setscaling((PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r |
583 | }\r |
584 | \r |
585 | \r |
586 | static int check_save_file(void)\r |
587 | {\r |
588 | char saveFname[512];\r |
589 | char ext[16];\r |
590 | FILE *f;\r |
591 | \r |
592 | ext[0] = 0;\r |
593 | if(state_slot > 0 && state_slot < 10) sprintf(ext, ".%i", state_slot);\r |
594 | strcat(ext, ".mds");\r |
595 | if(currentConfig.EmuOpt & 8) strcat(ext, ".gz");\r |
596 | \r |
597 | romfname_ext(saveFname, ext);\r |
598 | if ((f = fopen(saveFname, "rb"))) {\r |
599 | fclose(f);\r |
600 | return 1;\r |
601 | }\r |
602 | return 0;\r |
603 | }\r |
604 | \r |
605 | static void RunEvents(unsigned int which)\r |
606 | {\r |
607 | if(which & 0x1800) { // save or load (but not both)\r |
608 | int do_it = 1;\r |
609 | if (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200) && check_save_file()) {\r |
610 | unsigned long keys;\r |
611 | blit("", "OVERWRITE SAVE? (Y=yes, X=no)");\r |
612 | while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r |
613 | usleep(50*1024);\r |
614 | if (keys & GP2X_X) do_it = 0;\r |
615 | clearArea(0);\r |
616 | }\r |
617 | if (do_it) {\r |
618 | blit("", (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r |
619 | emu_SaveLoadGame(which & 0x1000, 0);\r |
620 | }\r |
621 | \r |
622 | reset_timing = 1;\r |
623 | }\r |
624 | if(which & 0x0400) { // switch renderer\r |
625 | if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r |
626 | else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r |
627 | else currentConfig.EmuOpt &= ~0x80;\r |
628 | \r |
629 | vidResetMode();\r |
630 | \r |
631 | if (PicoOpt&0x10) {\r |
632 | strcpy(noticeMsg, " 8bit fast renderer");\r |
633 | } else if (currentConfig.EmuOpt&0x80) {\r |
634 | strcpy(noticeMsg, "16bit accurate renderer");\r |
635 | } else {\r |
636 | strcpy(noticeMsg, " 8bit accurate renderer");\r |
637 | }\r |
638 | \r |
639 | gettimeofday(¬iceMsgTime, 0);\r |
640 | }\r |
641 | if(which & 0x0300) {\r |
642 | if(which&0x0200) {\r |
643 | state_slot -= 1;\r |
644 | if(state_slot < 0) state_slot = 9;\r |
645 | } else {\r |
646 | state_slot += 1;\r |
647 | if(state_slot > 9) state_slot = 0;\r |
648 | }\r |
649 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, check_save_file() ? "USED" : "FREE");\r |
650 | gettimeofday(¬iceMsgTime, 0);\r |
651 | }\r |
652 | if(which & 0x0080) {\r |
653 | engineState = PGS_Menu;\r |
654 | }\r |
655 | }\r |
656 | \r |
657 | \r |
658 | static void updateKeys(void)\r |
659 | {\r |
660 | unsigned long keys, allActions[2] = { 0, 0 }, events;\r |
661 | static unsigned long prevEvents = 0;\r |
662 | int joy, i;\r |
663 | \r |
664 | keys = gp2x_joystick_read(0);\r |
665 | if (keys & GP2X_SELECT) {\r |
666 | engineState = select_exits ? PGS_Quit : PGS_Menu;\r |
667 | // wait until select is released, so menu would not resume game\r |
668 | while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r |
669 | }\r |
670 | \r |
671 | keys &= CONFIGURABLE_KEYS;\r |
672 | \r |
673 | for (i = 0; i < 32; i++)\r |
674 | {\r |
675 | if (keys & (1 << i)) {\r |
676 | int pl, acts = currentConfig.KeyBinds[i];\r |
677 | if (!acts) continue;\r |
678 | pl = (acts >> 16) & 1;\r |
679 | if (combo_keys & (1 << i)) {\r |
680 | int u = i+1, acts_c = acts & combo_acts;\r |
681 | // let's try to find the other one\r |
682 | if (acts_c)\r |
683 | for (; u < 32; u++)\r |
684 | if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {\r |
685 | allActions[pl] |= acts_c;\r |
686 | keys &= ~((1 << i) | (1 << u));\r |
687 | break;\r |
688 | }\r |
689 | // add non-combo actions if combo ones were not found\r |
690 | if (!acts_c || u == 32)\r |
691 | allActions[pl] |= acts & ~combo_acts;\r |
692 | } else {\r |
693 | allActions[pl] |= acts;\r |
694 | }\r |
695 | }\r |
696 | }\r |
697 | \r |
698 | // add joy inputs\r |
699 | if (num_of_joys > 0)\r |
700 | {\r |
701 | gp2x_usbjoy_update();\r |
702 | for (joy = 0; joy < num_of_joys; joy++) {\r |
703 | int keys = gp2x_usbjoy_check2(joy);\r |
704 | for (i = 0; i < 32; i++) {\r |
705 | if (keys & (1 << i)) {\r |
706 | int acts = currentConfig.JoyBinds[joy][i];\r |
707 | int pl = (acts >> 16) & 1;\r |
708 | allActions[pl] |= acts;\r |
709 | }\r |
710 | }\r |
711 | }\r |
712 | }\r |
713 | \r |
714 | if(movie_data)\r |
715 | {\r |
716 | int offs = frame_count*3 + 0x40;\r |
717 | if (offs+3 > movie_size) {\r |
718 | free(movie_data);\r |
719 | movie_data = 0;\r |
720 | strcpy(noticeMsg, "END OF MOVIE.");\r |
721 | printf("END OF MOVIE.\n");\r |
722 | gettimeofday(¬iceMsgTime, 0);\r |
723 | } else {\r |
724 | // MXYZ SACB RLDU\r |
725 | PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r |
726 | if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r |
727 | if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r |
728 | if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r |
729 | PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r |
730 | if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r |
731 | if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r |
732 | if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r |
733 | PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r |
734 | if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r |
735 | if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r |
736 | PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r |
737 | if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r |
738 | if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r |
739 | if ((PicoPad[0] & 0x80) || (PicoPad[1] & 0x80))\r |
740 | printf("%d: start\n", frame_count);\r |
741 | }\r |
742 | }\r |
743 | else\r |
744 | {\r |
745 | PicoPad[0] = (unsigned short) allActions[0];\r |
746 | PicoPad[1] = (unsigned short) allActions[1];\r |
747 | }\r |
748 | frame_count++;\r |
749 | \r |
750 | events = (allActions[0] | allActions[1]) >> 16;\r |
751 | \r |
752 | // volume is treated in special way and triggered every frame\r |
753 | if(events & 0x6000) {\r |
754 | int vol = currentConfig.volume;\r |
755 | if (events & 0x2000) {\r |
756 | if (vol < 90) vol++;\r |
757 | } else {\r |
758 | if (vol > 0) vol--;\r |
759 | }\r |
760 | gp2x_sound_volume(vol, vol);\r |
761 | sprintf(noticeMsg, "VOL: %02i", vol);\r |
762 | gettimeofday(¬iceMsgTime, 0);\r |
763 | currentConfig.volume = vol;\r |
764 | }\r |
765 | \r |
766 | events &= ~prevEvents;\r |
767 | if (events) RunEvents(events);\r |
768 | \r |
769 | prevEvents = (allActions[0] | allActions[1]) >> 16;\r |
770 | }\r |
771 | \r |
772 | static int snd_excess_add = 0, snd_excess_cnt = 0; // hack\r |
773 | \r |
774 | static void updateSound(void)\r |
775 | {\r |
776 | int len = (PicoOpt&8)?PsndLen*2:PsndLen;\r |
777 | \r |
778 | snd_excess_cnt += snd_excess_add;\r |
779 | if (snd_excess_cnt >= 0x10000) {\r |
780 | snd_excess_cnt -= 0x10000;\r |
781 | if (PicoOpt&8) {\r |
782 | PsndOut[len] = PsndOut[len-2];\r |
783 | PsndOut[len+1] = PsndOut[len-1];\r |
784 | len+=2;\r |
785 | } else {\r |
786 | PsndOut[len] = PsndOut[len-1];\r |
787 | len++;\r |
788 | }\r |
789 | }\r |
790 | \r |
791 | gp2x_sound_write(PsndOut, len<<1);\r |
792 | }\r |
793 | \r |
794 | \r |
795 | static void SkipFrame(int do_sound)\r |
796 | {\r |
797 | void *sndbuff_tmp = 0;\r |
798 | if (PsndOut && !do_sound) {\r |
799 | sndbuff_tmp = PsndOut;\r |
800 | PsndOut = 0;\r |
801 | }\r |
802 | \r |
803 | PicoSkipFrame=1;\r |
804 | PicoFrame();\r |
805 | PicoSkipFrame=0;\r |
806 | \r |
807 | if (sndbuff_tmp && !do_sound) {\r |
808 | PsndOut = sndbuff_tmp;\r |
809 | }\r |
810 | }\r |
811 | \r |
812 | \r |
813 | static void simpleWait(int thissec, int lim_time)\r |
814 | {\r |
815 | struct timeval tval;\r |
816 | \r |
817 | spend_cycles(1024);\r |
818 | gettimeofday(&tval, 0);\r |
819 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
820 | \r |
821 | while(tval.tv_usec < lim_time)\r |
822 | {\r |
823 | spend_cycles(1024);\r |
824 | gettimeofday(&tval, 0);\r |
825 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
826 | }\r |
827 | }\r |
828 | \r |
829 | \r |
830 | void emu_Loop(void)\r |
831 | {\r |
832 | static int gp2x_old_clock = 200;\r |
833 | static int PsndRate_old = 0, PicoOpt_old = 0, PsndLen_real = 0, pal_old = 0;\r |
834 | char fpsbuff[24]; // fps count c string\r |
835 | struct timeval tval; // timing\r |
836 | int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;\r |
837 | int target_fps, target_frametime, lim_time, i;\r |
838 | char *notice = 0;\r |
839 | \r |
840 | printf("entered emu_Loop()\n");\r |
841 | \r |
842 | if (gp2x_old_clock != currentConfig.CPUclock) {\r |
843 | printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r |
844 | set_FCLK(currentConfig.CPUclock);\r |
845 | gp2x_old_clock = currentConfig.CPUclock;\r |
846 | printf(" done\n");\r |
847 | }\r |
848 | \r |
849 | if (gp2x_old_gamma != currentConfig.gamma) {\r |
850 | set_gamma(currentConfig.gamma);\r |
851 | gp2x_old_gamma = currentConfig.gamma;\r |
852 | printf("updated gamma to %i\n", currentConfig.gamma);\r |
853 | }\r |
854 | \r |
855 | fpsbuff[0] = 0;\r |
856 | \r |
857 | // make sure we are in correct mode\r |
858 | vidResetMode();\r |
859 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r |
860 | find_combos();\r |
861 | \r |
862 | // pal/ntsc might have changed, reset related stuff\r |
863 | target_fps = Pico.m.pal ? 50 : 60;\r |
864 | target_frametime = 1000000/target_fps;\r |
865 | reset_timing = 1;\r |
866 | \r |
867 | // prepare sound stuff\r |
868 | if(currentConfig.EmuOpt & 4) {\r |
869 | if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) {\r |
870 | /* if 940 is turned off, we need it to be put back to sleep */\r |
871 | if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {\r |
872 | Reset940(1);\r |
873 | Pause940(1);\r |
874 | }\r |
875 | sound_rerate();\r |
876 | }\r |
877 | //excess_samples = PsndRate - PsndLen*target_fps;\r |
878 | snd_excess_cnt = 0;\r |
879 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r |
880 | printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r |
881 | gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r |
882 | gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r |
883 | PicoWriteSound = updateSound;\r |
884 | PsndOut = calloc((PicoOpt&8) ? (PsndLen*4+4) : (PsndLen*2+2), 1);\r |
885 | PsndRate_old = PsndRate;\r |
886 | PsndLen_real = PsndLen;\r |
887 | PicoOpt_old = PicoOpt;\r |
888 | pal_old = Pico.m.pal;\r |
889 | } else {\r |
890 | PsndOut = 0;\r |
891 | }\r |
892 | \r |
893 | // loop?\r |
894 | while (engineState == PGS_Running)\r |
895 | {\r |
896 | int modes;\r |
897 | \r |
898 | gettimeofday(&tval, 0);\r |
899 | if(reset_timing) {\r |
900 | reset_timing = 0;\r |
901 | thissec = tval.tv_sec;\r |
902 | frames_shown = frames_done = tval.tv_usec/target_frametime;\r |
903 | }\r |
904 | \r |
905 | // show notice message?\r |
906 | if(noticeMsgTime.tv_sec) {\r |
907 | static int noticeMsgSum;\r |
908 | if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r |
909 | noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r |
910 | clearArea(0);\r |
911 | notice = 0;\r |
912 | } else {\r |
913 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r |
914 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r |
915 | notice = noticeMsg;\r |
916 | }\r |
917 | }\r |
918 | \r |
919 | // check for mode changes\r |
920 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r |
921 | if (modes != oldmodes) {\r |
922 | int scalex = 320;\r |
923 | osd_fps_x = OSD_FPS_X;\r |
924 | if (modes & 4) {\r |
925 | vidCpyM2 = vidCpyM2_40col;\r |
926 | } else {\r |
927 | if (PicoOpt & 0x100) {\r |
928 | vidCpyM2 = vidCpyM2_32col_nobord;\r |
929 | scalex = 256;\r |
930 | osd_fps_x = OSD_FPS_X - 64;\r |
931 | } else {\r |
932 | vidCpyM2 = vidCpyM2_32col;\r |
933 | }\r |
934 | }\r |
935 | gp2x_video_RGB_setscaling(scalex, 240);\r |
936 | oldmodes = modes;\r |
937 | clearArea(1);\r |
938 | }\r |
939 | \r |
940 | // second changed?\r |
941 | if(thissec != tval.tv_sec) {\r |
942 | #ifdef BENCHMARK\r |
943 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
944 | if(++bench == 10) {\r |
945 | bench = 0;\r |
946 | bench_fps_s = bench_fps;\r |
947 | bf[bfp++ & 3] = bench_fps;\r |
948 | bench_fps = 0;\r |
949 | }\r |
950 | bench_fps += frames_shown;\r |
951 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
952 | #else\r |
953 | if(currentConfig.EmuOpt & 2)\r |
954 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r |
955 | #endif\r |
956 | thissec = tval.tv_sec;\r |
957 | \r |
958 | if(PsndOut == 0 && currentConfig.Frameskip >= 0) {\r |
959 | frames_done = frames_shown = 0;\r |
960 | } else {\r |
961 | // it is quite common for this implementation to leave 1 fame unfinished\r |
962 | // when second changes, but we don't want buffer to starve.\r |
963 | if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {\r |
964 | updateKeys();\r |
965 | SkipFrame(1); frames_done++;\r |
966 | }\r |
967 | \r |
968 | frames_done -= target_fps; if (frames_done < 0) frames_done = 0;\r |
969 | frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;\r |
970 | if (frames_shown > frames_done) frames_shown = frames_done;\r |
971 | }\r |
972 | }\r |
973 | \r |
974 | lim_time = (frames_done+1) * target_frametime;\r |
975 | if(currentConfig.Frameskip >= 0) { // frameskip enabled\r |
976 | for(i = 0; i < currentConfig.Frameskip; i++) {\r |
977 | updateKeys();\r |
978 | SkipFrame(1); frames_done++;\r |
979 | if (PsndOut) { // do framelimitting if sound is enabled\r |
980 | gettimeofday(&tval, 0);\r |
981 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
982 | if(tval.tv_usec < lim_time) { // we are too fast\r |
983 | simpleWait(thissec, lim_time);\r |
984 | }\r |
985 | }\r |
986 | lim_time += target_frametime;\r |
987 | }\r |
988 | } else if(tval.tv_usec > lim_time) { // auto frameskip\r |
989 | // no time left for this frame - skip\r |
990 | updateKeys();\r |
991 | SkipFrame(tval.tv_usec < lim_time+target_frametime); frames_done++;\r |
992 | continue;\r |
993 | }\r |
994 | \r |
995 | updateKeys();\r |
996 | PicoFrame();\r |
997 | \r |
4f672280 |
998 | #if 0\r |
999 | // debug\r |
1000 | {\r |
1001 | static unsigned char oldscr[320*240*2];\r |
1002 | FILE *f; char name[128]; int i;\r |
1003 | for (i = 0; i < 320*240*2; i++)\r |
1004 | if(oldscr[i] != ((unsigned char *)gp2x_screen)[i]) break;\r |
1005 | if (i < 320*240*2)\r |
1006 | {\r |
1007 | for (i = 0; i < 320*240*2; i++)\r |
1008 | oldscr[i] = ((unsigned char *)gp2x_screen)[i];\r |
1009 | sprintf(name, "%05i.raw", frame_count);\r |
1010 | f = fopen(name, "wb");\r |
1011 | if (!f) { printf("!f\n"); exit(1); }\r |
1012 | fwrite(gp2x_screen, 1, 320*240*2, f);\r |
1013 | fclose(f);\r |
1014 | }\r |
1015 | }\r |
1016 | #endif\r |
1017 | \r |
cc68a136 |
1018 | // check time\r |
1019 | gettimeofday(&tval, 0);\r |
1020 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
1021 | \r |
1022 | // sleep if we are still too fast\r |
1023 | if(PsndOut != 0 || currentConfig.Frameskip < 0)\r |
1024 | {\r |
1025 | // usleep sleeps for ~20ms minimum, so it is not a solution here\r |
1026 | gettimeofday(&tval, 0);\r |
1027 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
1028 | if(tval.tv_usec < lim_time)\r |
1029 | {\r |
1030 | // we are too fast\r |
1031 | simpleWait(thissec, lim_time);\r |
1032 | }\r |
1033 | }\r |
1034 | \r |
1035 | blit(fpsbuff, notice);\r |
1036 | \r |
1037 | frames_done++; frames_shown++;\r |
1038 | }\r |
1039 | \r |
1040 | // save SRAM\r |
1041 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
1042 | emu_SaveLoadGame(0, 1);\r |
1043 | SRam.changed = 0;\r |
1044 | }\r |
1045 | \r |
1046 | if (PsndOut != 0) {\r |
1047 | free(PsndOut);\r |
1048 | PsndOut = 0;\r |
1049 | }\r |
1050 | }\r |
1051 | \r |
1052 | \r |
1053 | void emu_ResetGame(void)\r |
1054 | {\r |
1055 | PicoReset(0);\r |
1056 | reset_timing = 1;\r |
1057 | }\r |
1058 | \r |
1059 | \r |
1060 | size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r |
1061 | {\r |
1062 | return gzread(file, p, _n);\r |
1063 | }\r |
1064 | \r |
1065 | \r |
1066 | size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r |
1067 | {\r |
1068 | return gzwrite(file, p, _n);\r |
1069 | }\r |
1070 | \r |
1071 | typedef unsigned int (*STATE_SL_FUNC)(void *, unsigned int, unsigned int, void *);\r |
1072 | \r |
1073 | int emu_SaveLoadGame(int load, int sram)\r |
1074 | {\r |
1075 | int ret = 0;\r |
1076 | char saveFname[512];\r |
1077 | \r |
1078 | // make save filename\r |
1079 | romfname_ext(saveFname, "");\r |
1080 | if(sram) strcat(saveFname, ".srm");\r |
1081 | else {\r |
1082 | if(state_slot > 0 && state_slot < 10) sprintf(saveFname, "%s.%i", saveFname, state_slot);\r |
1083 | strcat(saveFname, ".mds");\r |
1084 | }\r |
1085 | \r |
1086 | printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r |
1087 | \r |
1088 | if(sram) {\r |
1089 | FILE *sramFile;\r |
1090 | int sram_size = SRam.end-SRam.start+1;\r |
1091 | if(SRam.reg_back & 4) sram_size=0x2000;\r |
1092 | if(!SRam.data) return 0; // SRam forcefully disabled for this game\r |
1093 | if(load) {\r |
1094 | sramFile = fopen(saveFname, "rb");\r |
1095 | if(!sramFile) return -1;\r |
1096 | fread(SRam.data, 1, sram_size, sramFile);\r |
1097 | fclose(sramFile);\r |
1098 | } else {\r |
1099 | // sram save needs some special processing\r |
1100 | // see if we have anything to save\r |
1101 | for(; sram_size > 0; sram_size--)\r |
1102 | if(SRam.data[sram_size-1]) break;\r |
1103 | \r |
1104 | if(sram_size) {\r |
1105 | sramFile = fopen(saveFname, "wb");\r |
1106 | ret = fwrite(SRam.data, 1, sram_size, sramFile);\r |
1107 | ret = (ret != sram_size) ? -1 : 0;\r |
1108 | fclose(sramFile);\r |
1109 | sync();\r |
1110 | }\r |
1111 | }\r |
1112 | return ret;\r |
1113 | } else {\r |
1114 | void *PmovFile = NULL;\r |
1115 | // try gzip first\r |
1116 | if(currentConfig.EmuOpt & 8) {\r |
1117 | strcat(saveFname, ".gz");\r |
1118 | if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r |
1119 | areaRead = gzRead2;\r |
1120 | areaWrite = gzWrite2;\r |
1121 | if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r |
1122 | } else\r |
1123 | saveFname[strlen(saveFname)-3] = 0;\r |
1124 | }\r |
1125 | if(!PmovFile) { // gzip failed or was disabled\r |
1126 | if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r |
1127 | areaRead = (STATE_SL_FUNC) fread;\r |
1128 | areaWrite = (STATE_SL_FUNC) fwrite;\r |
1129 | }\r |
1130 | }\r |
1131 | if(PmovFile) {\r |
1132 | PmovState(load ? 6 : 5, PmovFile);\r |
1133 | strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r |
1134 | if(areaRead == gzRead2)\r |
1135 | gzclose(PmovFile);\r |
1136 | else fclose ((FILE *) PmovFile);\r |
1137 | PmovFile = 0;\r |
1138 | if (!load) sync();\r |
1139 | else Pico.m.dirtyPal=1;\r |
1140 | } else {\r |
1141 | strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r |
1142 | ret = -1;\r |
1143 | }\r |
1144 | \r |
1145 | gettimeofday(¬iceMsgTime, 0);\r |
1146 | return ret;\r |
1147 | }\r |
1148 | }\r |