720ee7f6 |
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 |
720ee7f6 |
58 | unsigned char *framebuff = 0; // temporary buffer for alt renderer\r |
59 | int state_slot = 0;\r |
60 | \r |
61 | /*\r |
62 | // tmp\r |
63 | static FILE *logf = NULL;\r |
64 | \r |
65 | void pprintf(char *texto, ...)\r |
66 | {\r |
67 | va_list args;\r |
68 | \r |
69 | va_start(args,texto);\r |
70 | vfprintf(logf,texto,args);\r |
71 | va_end(args);\r |
72 | fflush(logf);\r |
73 | sync();\r |
74 | }\r |
75 | */\r |
76 | // utilities\r |
77 | static void strlwr(char* string)\r |
78 | {\r |
79 | while ( (*string++ = (char)tolower(*string)) );\r |
80 | }\r |
81 | \r |
5111820c |
82 | static int try_rfn_cut(void)\r |
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83 | {\r |
84 | FILE *tmp;\r |
85 | char *p;\r |
86 | \r |
5111820c |
87 | p = romFileName + strlen(romFileName) - 1;\r |
88 | for (; p > romFileName; p--)\r |
89 | if (*p == '.') break;\r |
90 | *p = 0;\r |
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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 |
25fced50 |
99 | static void get_ext(char *ext)\r |
100 | {\r |
101 | char *p;\r |
102 | \r |
103 | p = romFileName + strlen(romFileName) - 4;\r |
104 | if (p < romFileName) p = romFileName;\r |
105 | strncpy(ext, p, 4);\r |
106 | ext[4] = 0;\r |
107 | strlwr(ext);\r |
108 | }\r |
109 | \r |
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110 | int emu_ReloadRom(void)\r |
111 | {\r |
112 | unsigned int rom_size = 0;\r |
25fced50 |
113 | char ext[5];\r |
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114 | FILE *rom;\r |
115 | int ret;\r |
116 | \r |
117 | printf("emu_ReloadRom(%s)\n", romFileName);\r |
118 | \r |
25fced50 |
119 | // detect wrong extensions\r |
120 | get_ext(ext);\r |
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121 | \r |
122 | if(!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) { // s.gz ~ .mds.gz\r |
123 | sprintf(menuErrorMsg, "Not a ROM selected.");\r |
124 | return 0;\r |
125 | }\r |
126 | \r |
127 | // check for movie file\r |
128 | if(movie_data) {\r |
129 | free(movie_data);\r |
130 | movie_data = 0;\r |
131 | }\r |
132 | if(!strcmp(ext, ".gmv")) {\r |
133 | // check for both gmv and rom\r |
134 | int dummy;\r |
135 | FILE *movie_file = fopen(romFileName, "rb");\r |
136 | if(!movie_file) {\r |
137 | sprintf(menuErrorMsg, "Failed to open movie.");\r |
138 | return 0;\r |
139 | }\r |
140 | fseek(movie_file, 0, SEEK_END);\r |
141 | movie_size = ftell(movie_file);\r |
142 | fseek(movie_file, 0, SEEK_SET);\r |
143 | if(movie_size < 64+3) {\r |
144 | sprintf(menuErrorMsg, "Invalid GMV file.");\r |
145 | fclose(movie_file);\r |
146 | return 0;\r |
147 | }\r |
148 | movie_data = malloc(movie_size);\r |
149 | if(movie_data == NULL) {\r |
150 | sprintf(menuErrorMsg, "low memory.");\r |
151 | fclose(movie_file);\r |
152 | return 0;\r |
153 | }\r |
154 | fread(movie_data, 1, movie_size, movie_file);\r |
155 | fclose(movie_file);\r |
156 | if (strncmp((char *)movie_data, "Gens Movie TEST", 15) != 0) {\r |
157 | sprintf(menuErrorMsg, "Invalid GMV file.");\r |
158 | return 0;\r |
159 | }\r |
5111820c |
160 | dummy = try_rfn_cut() || try_rfn_cut();\r |
720ee7f6 |
161 | if (!dummy) {\r |
162 | sprintf(menuErrorMsg, "Could't find a ROM for movie.");\r |
163 | return 0;\r |
164 | }\r |
25fced50 |
165 | get_ext(ext);\r |
720ee7f6 |
166 | }\r |
167 | \r |
168 | rom = fopen(romFileName, "rb");\r |
169 | if(!rom) {\r |
170 | sprintf(menuErrorMsg, "Failed to open rom.");\r |
171 | return 0;\r |
172 | }\r |
173 | \r |
174 | if(rom_data) {\r |
175 | free(rom_data);\r |
176 | rom_data = 0;\r |
177 | rom_size = 0;\r |
178 | }\r |
179 | \r |
180 | // zipfile support\r |
181 | if(!strcasecmp(ext, ".zip")) {\r |
182 | fclose(rom);\r |
183 | ret = CartLoadZip(romFileName, &rom_data, &rom_size);\r |
184 | if(ret) {\r |
185 | if (ret == 4) strcpy(menuErrorMsg, "No ROMs in zip found.");\r |
186 | else sprintf(menuErrorMsg, "Unzip failed with code %i", ret);\r |
187 | printf("%s\n", menuErrorMsg);\r |
188 | return 0;\r |
189 | }\r |
190 | } else {\r |
191 | if( (ret = PicoCartLoad(rom, &rom_data, &rom_size)) ) {\r |
192 | sprintf(menuErrorMsg, "PicoCartLoad() failed.");\r |
193 | printf("%s\n", menuErrorMsg);\r |
194 | fclose(rom);\r |
195 | return 0;\r |
196 | }\r |
197 | fclose(rom);\r |
198 | }\r |
199 | \r |
200 | // detect wrong files (Pico crashes on very small files), also see if ROM EP is good\r |
201 | if(rom_size <= 0x200 || strncmp((char *)rom_data, "Pico", 4) == 0 ||\r |
202 | ((*(unsigned short *)(rom_data+4)<<16)|(*(unsigned short *)(rom_data+6))) >= (int)rom_size) {\r |
203 | if (rom_data) free(rom_data);\r |
204 | rom_data = 0;\r |
205 | sprintf(menuErrorMsg, "Not a ROM selected.");\r |
206 | return 0;\r |
207 | }\r |
208 | \r |
209 | printf("PicoCartInsert(%p, %d);\n", rom_data, rom_size);\r |
210 | if(PicoCartInsert(rom_data, rom_size)) {\r |
211 | sprintf(menuErrorMsg, "Failed to load ROM.");\r |
212 | return 0;\r |
213 | }\r |
214 | \r |
215 | // load config for this ROM\r |
216 | ret = emu_ReadConfig(1);\r |
217 | if (!ret)\r |
218 | emu_ReadConfig(0);\r |
219 | \r |
220 | // emu_ReadConfig() might have messed currentConfig.lastRomFile\r |
221 | strncpy(currentConfig.lastRomFile, romFileName, sizeof(currentConfig.lastRomFile)-1);\r |
222 | currentConfig.lastRomFile[sizeof(currentConfig.lastRomFile)-1] = 0;\r |
223 | \r |
224 | // additional movie stuff\r |
225 | if(movie_data) {\r |
226 | if(movie_data[0x14] == '6')\r |
227 | PicoOpt |= 0x20; // 6 button pad\r |
228 | else PicoOpt &= ~0x20;\r |
1a20dbc8 |
229 | PicoOpt |= 0x40; // accurate timing\r |
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230 | if(movie_data[0xF] >= 'A') {\r |
1a20dbc8 |
231 | if(movie_data[0x16] & 0x80) {\r |
232 | PicoRegionOverride = 8;\r |
233 | } else {\r |
234 | PicoRegionOverride = 4;\r |
235 | }\r |
236 | PicoReset(0);\r |
720ee7f6 |
237 | // TODO: bits 6 & 5\r |
238 | }\r |
1a20dbc8 |
239 | movie_data[0x18+30] = 0;\r |
240 | sprintf(noticeMsg, "MOVIE: %s", (char *) &movie_data[0x18]);\r |
720ee7f6 |
241 | }\r |
242 | else\r |
243 | {\r |
244 | if(Pico.m.pal) {\r |
245 | strcpy(noticeMsg, "PAL SYSTEM / 50 FPS");\r |
246 | } else {\r |
247 | strcpy(noticeMsg, "NTSC SYSTEM / 60 FPS");\r |
248 | }\r |
249 | }\r |
250 | gettimeofday(¬iceMsgTime, 0);\r |
251 | \r |
252 | // load SRAM for this ROM\r |
253 | if(currentConfig.EmuOpt & 1)\r |
254 | emu_SaveLoadGame(1, 1);\r |
255 | \r |
47f22a1f |
256 | Pico.m.frame_count = 0;\r |
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257 | \r |
258 | return 1;\r |
259 | }\r |
260 | \r |
261 | \r |
262 | void emu_Init(void)\r |
263 | {\r |
264 | // make temp buffer for alt renderer\r |
265 | framebuff = malloc((8+320)*(8+240+8));\r |
266 | if (!framebuff)\r |
267 | {\r |
268 | printf("framebuff == 0\n");\r |
269 | }\r |
270 | \r |
271 | PicoInit();\r |
272 | \r |
273 | // logf = fopen("log.txt", "w");\r |
274 | }\r |
275 | \r |
276 | \r |
277 | static void romfname_ext(char *dst, char *ext)\r |
278 | {\r |
279 | char *p;\r |
280 | \r |
281 | // make save filename\r |
282 | for (p = romFileName+strlen(romFileName)-1; p >= romFileName && *p != '/'; p--); p++;\r |
283 | strncpy(dst, p, 511);\r |
284 | dst[511-8] = 0;\r |
285 | if(dst[strlen(dst)-4] == '.') dst[strlen(dst)-4] = 0;\r |
286 | strcat(dst, ext);\r |
287 | }\r |
288 | \r |
289 | \r |
290 | static void find_combos(void)\r |
291 | {\r |
292 | int act, u;\r |
293 | \r |
294 | // find out which keys and actions are combos\r |
295 | combo_keys = combo_acts = 0;\r |
296 | for (act = 0; act < 32; act++)\r |
297 | {\r |
298 | int keyc = 0;\r |
299 | if (act == 16) continue; // player2 flag\r |
300 | for (u = 0; u < 32; u++)\r |
301 | {\r |
302 | if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r |
303 | }\r |
304 | if (keyc > 1)\r |
305 | {\r |
306 | // loop again and mark those keys and actions as combo\r |
307 | for (u = 0; u < 32; u++)\r |
308 | {\r |
309 | if (currentConfig.KeyBinds[u] & (1 << act)) {\r |
310 | combo_keys |= 1 << u;\r |
311 | combo_acts |= 1 << act;\r |
312 | }\r |
313 | }\r |
314 | }\r |
315 | }\r |
316 | // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);\r |
317 | }\r |
318 | \r |
319 | \r |
320 | int emu_ReadConfig(int game)\r |
321 | {\r |
322 | FILE *f;\r |
323 | char cfg[512];\r |
324 | int bread = 0;\r |
325 | \r |
326 | if (!game)\r |
327 | {\r |
328 | // set default config\r |
329 | memset(¤tConfig, 0, sizeof(currentConfig));\r |
330 | currentConfig.lastRomFile[0] = 0;\r |
331 | currentConfig.EmuOpt = 0x1f;\r |
332 | currentConfig.PicoOpt = 0x0f;\r |
333 | currentConfig.PsndRate = 22050;\r |
334 | currentConfig.PicoRegion = 0; // auto\r |
335 | currentConfig.Frameskip = -1; // auto\r |
336 | currentConfig.CPUclock = 200;\r |
337 | currentConfig.volume = 50;\r |
338 | currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU\r |
339 | currentConfig.KeyBinds[ 4] = 1<<1;\r |
340 | currentConfig.KeyBinds[ 2] = 1<<2;\r |
341 | currentConfig.KeyBinds[ 6] = 1<<3;\r |
342 | currentConfig.KeyBinds[14] = 1<<4;\r |
343 | currentConfig.KeyBinds[13] = 1<<5;\r |
344 | currentConfig.KeyBinds[12] = 1<<6;\r |
345 | currentConfig.KeyBinds[ 8] = 1<<7;\r |
346 | currentConfig.KeyBinds[15] = 1<<26; // switch rend\r |
347 | currentConfig.KeyBinds[10] = 1<<27; // save state\r |
348 | currentConfig.KeyBinds[11] = 1<<28; // load state\r |
349 | currentConfig.KeyBinds[23] = 1<<29; // vol up\r |
350 | currentConfig.KeyBinds[22] = 1<<30; // vol down\r |
351 | currentConfig.gamma = 100;\r |
352 | strncpy(cfg, PicoConfigFile, 511);\r |
353 | cfg[511] = 0;\r |
354 | } else {\r |
355 | romfname_ext(cfg, ".pbcfg");\r |
356 | }\r |
357 | \r |
358 | printf("emu_ReadConfig: %s ", cfg);\r |
359 | f = fopen(cfg, "rb");\r |
360 | if (f) {\r |
361 | bread = fread(¤tConfig, 1, sizeof(currentConfig), f);\r |
362 | fclose(f);\r |
363 | }\r |
364 | printf((bread == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r |
365 | \r |
366 | PicoOpt = currentConfig.PicoOpt;\r |
367 | PsndRate = currentConfig.PsndRate;\r |
368 | PicoRegionOverride = currentConfig.PicoRegion;\r |
369 | if (PicoOpt & 0x20) {\r |
370 | actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r |
371 | actionNames[10] = "X"; actionNames[11] = "MODE";\r |
372 | }\r |
373 | // some sanity checks\r |
374 | if (currentConfig.CPUclock < 1 || currentConfig.CPUclock > 4096) currentConfig.CPUclock = 200;\r |
375 | if (currentConfig.gamma < 10 || currentConfig.gamma > 300) currentConfig.gamma = 100;\r |
376 | // if volume keys are unbound, bind them to volume control\r |
377 | if (!currentConfig.KeyBinds[23] && !currentConfig.KeyBinds[22]) {\r |
378 | currentConfig.KeyBinds[23] = 1<<29; // vol up\r |
379 | currentConfig.KeyBinds[22] = 1<<30; // vol down\r |
380 | }\r |
381 | \r |
382 | return (bread == sizeof(currentConfig));\r |
383 | }\r |
384 | \r |
385 | \r |
386 | int emu_WriteConfig(int game)\r |
387 | {\r |
388 | FILE *f;\r |
389 | char cfg[512];\r |
390 | int bwrite = 0;\r |
391 | \r |
392 | if (!game)\r |
393 | {\r |
394 | strncpy(cfg, PicoConfigFile, 511);\r |
395 | cfg[511] = 0;\r |
396 | } else {\r |
397 | romfname_ext(cfg, ".pbcfg");\r |
398 | }\r |
399 | \r |
400 | printf("emu_WriteConfig: %s ", cfg);\r |
401 | f = fopen(cfg, "wb");\r |
402 | if (f) {\r |
403 | currentConfig.PicoOpt = PicoOpt;\r |
404 | currentConfig.PsndRate = PsndRate;\r |
405 | currentConfig.PicoRegion = PicoRegionOverride;\r |
406 | bwrite = fwrite(¤tConfig, 1, sizeof(currentConfig), f);\r |
407 | fflush(f);\r |
408 | fclose(f);\r |
409 | sync();\r |
410 | }\r |
411 | printf((bwrite == sizeof(currentConfig)) ? "(ok)\n" : "(failed)\n");\r |
412 | \r |
413 | return (bwrite == sizeof(currentConfig));\r |
414 | }\r |
415 | \r |
416 | \r |
417 | void emu_Deinit(void)\r |
418 | {\r |
419 | // save SRAM\r |
420 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
421 | emu_SaveLoadGame(0, 1);\r |
422 | SRam.changed = 0;\r |
423 | }\r |
424 | \r |
425 | if (!(currentConfig.EmuOpt & 0x20))\r |
426 | emu_WriteConfig(0);\r |
427 | free(framebuff);\r |
428 | \r |
429 | PicoExit();\r |
430 | // fclose(logf);\r |
431 | \r |
432 | // restore gamma\r |
433 | if (gp2x_old_gamma != 100)\r |
434 | set_gamma(100);\r |
435 | }\r |
436 | \r |
437 | \r |
438 | void osd_text(int x, int y, char *text)\r |
439 | {\r |
440 | int len = strlen(text)*8;\r |
441 | \r |
442 | if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r |
443 | int *p, i, h, black, white;\r |
444 | if (PicoOpt&0x10) {\r |
445 | black = 0x40404040; white = 0x41;\r |
446 | } else {\r |
447 | black = 0xe0e0e0e0; white = 0xf0;\r |
448 | }\r |
449 | x &= ~3; // align x\r |
450 | len = (len+3) >> 2;\r |
451 | for (h = 0; h < 8; h++) {\r |
452 | p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r |
453 | for (i = len; i; i--, p++) *p = black;\r |
454 | }\r |
455 | gp2x_text_out8_2(x, y, text, white);\r |
456 | } else {\r |
457 | int *p, i, h;\r |
458 | x &= ~1; // align x\r |
459 | len = (len+1) >> 1;\r |
460 | for (h = 0; h < 8; h++) {\r |
461 | p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r |
462 | for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r |
463 | }\r |
464 | gp2x_text_out15(x, y, text);\r |
465 | }\r |
466 | }\r |
467 | \r |
468 | static int EmuScan16(unsigned int num, void *sdata)\r |
469 | {\r |
470 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
471 | DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);\r |
472 | \r |
473 | return 0;\r |
474 | }\r |
475 | \r |
476 | static int EmuScan8(unsigned int num, void *sdata)\r |
477 | {\r |
478 | if (!(Pico.video.reg[1]&8)) num += 8;\r |
479 | DrawLineDest = (unsigned char *) gp2x_screen + 320*(num+1);\r |
480 | \r |
481 | return 0;\r |
482 | }\r |
483 | \r |
484 | static int localPal[0x100];\r |
485 | static void (*vidCpyM2)(void *dest, void *src) = NULL;\r |
486 | \r |
487 | static void blit(char *fps, char *notice)\r |
488 | {\r |
489 | if (PicoOpt&0x10) {\r |
490 | // 8bit fast renderer\r |
491 | if (Pico.m.dirtyPal) {\r |
492 | Pico.m.dirtyPal = 0;\r |
493 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
494 | // feed new palette to our device\r |
495 | gp2x_video_setpalette(localPal, 0x40);\r |
496 | }\r |
497 | vidCpyM2((unsigned char *)gp2x_screen+320*8, framebuff+328*8);\r |
498 | } else if (!(currentConfig.EmuOpt&0x80)) {\r |
499 | // 8bit accurate renderer\r |
500 | if (Pico.m.dirtyPal) {\r |
501 | Pico.m.dirtyPal = 0;\r |
502 | if(Pico.video.reg[0xC]&8) { // shadow/hilight mode\r |
503 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
504 | vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r |
505 | vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r |
506 | blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);\r |
507 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
508 | localPal[0xf0] = 0x00ffffff;\r |
509 | gp2x_video_setpalette(localPal, 0x100);\r |
510 | } else if (rendstatus & 0x20) { // mid-frame palette changes\r |
511 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
512 | vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r |
513 | vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r |
514 | gp2x_video_setpalette(localPal, 0xc0);\r |
515 | } else {\r |
516 | vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r |
517 | gp2x_video_setpalette(localPal, 0x40);\r |
518 | }\r |
519 | }\r |
520 | }\r |
521 | \r |
522 | if (notice) osd_text(4, 232, notice);\r |
523 | if (currentConfig.EmuOpt & 2)\r |
524 | osd_text(osd_fps_x, 232, fps);\r |
525 | \r |
526 | //gp2x_video_wait_vsync();\r |
527 | gp2x_video_flip();\r |
528 | \r |
529 | if (!(PicoOpt&0x10)) {\r |
530 | if (!(Pico.video.reg[1]&8)) {\r |
531 | if (currentConfig.EmuOpt&0x80) {\r |
532 | DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r |
533 | } else {\r |
534 | DrawLineDest = (unsigned char *) gp2x_screen + 320*8;\r |
535 | }\r |
536 | } else {\r |
537 | DrawLineDest = gp2x_screen;\r |
538 | }\r |
539 | }\r |
540 | }\r |
541 | \r |
542 | \r |
543 | // clears whole screen or just the notice area (in all buffers)\r |
544 | static void clearArea(int full)\r |
545 | {\r |
546 | if (PicoOpt&0x10) {\r |
547 | // 8bit fast renderer\r |
548 | if (full) gp2x_memset_all_buffers(0, 0x40, 320*240);\r |
549 | else gp2x_memset_all_buffers(320*232, 0x40, 320*8);\r |
550 | } else if (currentConfig.EmuOpt&0x80) {\r |
551 | // 16bit accurate renderer\r |
552 | if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r |
553 | else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r |
554 | } else {\r |
555 | // 8bit accurate renderer\r |
556 | if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
557 | else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r |
558 | }\r |
559 | }\r |
560 | \r |
561 | \r |
562 | static void vidResetMode(void)\r |
563 | {\r |
564 | if (PicoOpt&0x10) {\r |
565 | localPal[0x40] = 0;\r |
566 | localPal[0x41] = 0x00ffffff;\r |
567 | gp2x_video_changemode(8);\r |
568 | gp2x_video_setpalette(localPal, 0x42);\r |
569 | gp2x_memset_all_buffers(0, 0x40, 320*240);\r |
570 | gp2x_video_flip();\r |
571 | } else if (currentConfig.EmuOpt&0x80) {\r |
572 | gp2x_video_changemode(15);\r |
573 | PicoDrawSetColorFormat(1);\r |
574 | PicoScan = EmuScan16;\r |
575 | PicoScan(0, 0);\r |
576 | } else {\r |
577 | localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r |
578 | localPal[0xf0] = 0x00ffffff;\r |
579 | gp2x_video_changemode(8);\r |
580 | gp2x_video_setpalette(localPal, 0x100);\r |
581 | gp2x_memset_all_buffers(0, 0xe0, 320*240);\r |
582 | gp2x_video_flip();\r |
583 | PicoDrawSetColorFormat(2);\r |
584 | PicoScan = EmuScan8;\r |
585 | PicoScan(0, 0);\r |
586 | }\r |
587 | Pico.m.dirtyPal = 1;\r |
588 | // reset scaling\r |
589 | gp2x_video_RGB_setscaling((PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r |
590 | }\r |
591 | \r |
592 | \r |
593 | static int check_save_file(void)\r |
594 | {\r |
595 | char saveFname[512];\r |
596 | char ext[16];\r |
597 | FILE *f;\r |
598 | \r |
599 | ext[0] = 0;\r |
600 | if(state_slot > 0 && state_slot < 10) sprintf(ext, ".%i", state_slot);\r |
601 | strcat(ext, ".mds");\r |
602 | if(currentConfig.EmuOpt & 8) strcat(ext, ".gz");\r |
603 | \r |
604 | romfname_ext(saveFname, ext);\r |
605 | if ((f = fopen(saveFname, "rb"))) {\r |
606 | fclose(f);\r |
607 | return 1;\r |
608 | }\r |
609 | return 0;\r |
610 | }\r |
611 | \r |
612 | static void RunEvents(unsigned int which)\r |
613 | {\r |
614 | if(which & 0x1800) { // save or load (but not both)\r |
615 | int do_it = 1;\r |
616 | if (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200) && check_save_file()) {\r |
617 | unsigned long keys;\r |
618 | blit("", "OVERWRITE SAVE? (Y=yes, X=no)");\r |
619 | while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r |
620 | usleep(50*1024);\r |
621 | if (keys & GP2X_X) do_it = 0;\r |
622 | clearArea(0);\r |
623 | }\r |
624 | if (do_it) {\r |
625 | blit("", (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r |
25fced50 |
626 | if(movie_data) {\r |
627 | }\r |
720ee7f6 |
628 | emu_SaveLoadGame(which & 0x1000, 0);\r |
629 | }\r |
630 | \r |
631 | reset_timing = 1;\r |
632 | }\r |
633 | if(which & 0x0400) { // switch renderer\r |
634 | if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r |
635 | else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r |
636 | else currentConfig.EmuOpt &= ~0x80;\r |
637 | \r |
638 | vidResetMode();\r |
639 | \r |
640 | if (PicoOpt&0x10) {\r |
641 | strcpy(noticeMsg, " 8bit fast renderer");\r |
642 | } else if (currentConfig.EmuOpt&0x80) {\r |
643 | strcpy(noticeMsg, "16bit accurate renderer");\r |
644 | } else {\r |
645 | strcpy(noticeMsg, " 8bit accurate renderer");\r |
646 | }\r |
647 | \r |
648 | gettimeofday(¬iceMsgTime, 0);\r |
649 | }\r |
650 | if(which & 0x0300) {\r |
651 | if(which&0x0200) {\r |
652 | state_slot -= 1;\r |
653 | if(state_slot < 0) state_slot = 9;\r |
654 | } else {\r |
655 | state_slot += 1;\r |
656 | if(state_slot > 9) state_slot = 0;\r |
657 | }\r |
658 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, check_save_file() ? "USED" : "FREE");\r |
659 | gettimeofday(¬iceMsgTime, 0);\r |
660 | }\r |
661 | if(which & 0x0080) {\r |
662 | engineState = PGS_Menu;\r |
663 | }\r |
664 | }\r |
665 | \r |
666 | \r |
25fced50 |
667 | static void updateMovie(void)\r |
668 | {\r |
669 | int offs = Pico.m.frame_count*3 + 0x40;\r |
670 | if (offs+3 > movie_size) {\r |
671 | free(movie_data);\r |
672 | movie_data = 0;\r |
673 | strcpy(noticeMsg, "END OF MOVIE.");\r |
674 | printf("END OF MOVIE.\n");\r |
675 | gettimeofday(¬iceMsgTime, 0);\r |
676 | } else {\r |
677 | // MXYZ SACB RLDU\r |
678 | PicoPad[0] = ~movie_data[offs] & 0x8f; // ! SCBA RLDU\r |
679 | if(!(movie_data[offs] & 0x10)) PicoPad[0] |= 0x40; // A\r |
680 | if(!(movie_data[offs] & 0x20)) PicoPad[0] |= 0x10; // B\r |
681 | if(!(movie_data[offs] & 0x40)) PicoPad[0] |= 0x20; // A\r |
682 | PicoPad[1] = ~movie_data[offs+1] & 0x8f; // ! SCBA RLDU\r |
683 | if(!(movie_data[offs+1] & 0x10)) PicoPad[1] |= 0x40; // A\r |
684 | if(!(movie_data[offs+1] & 0x20)) PicoPad[1] |= 0x10; // B\r |
685 | if(!(movie_data[offs+1] & 0x40)) PicoPad[1] |= 0x20; // A\r |
686 | PicoPad[0] |= (~movie_data[offs+2] & 0x0A) << 8; // ! MZYX\r |
687 | if(!(movie_data[offs+2] & 0x01)) PicoPad[0] |= 0x0400; // X\r |
688 | if(!(movie_data[offs+2] & 0x04)) PicoPad[0] |= 0x0100; // Z\r |
689 | PicoPad[1] |= (~movie_data[offs+2] & 0xA0) << 4; // ! MZYX\r |
690 | if(!(movie_data[offs+2] & 0x10)) PicoPad[1] |= 0x0400; // X\r |
691 | if(!(movie_data[offs+2] & 0x40)) PicoPad[1] |= 0x0100; // Z\r |
692 | }\r |
693 | }\r |
694 | \r |
695 | \r |
720ee7f6 |
696 | static void updateKeys(void)\r |
697 | {\r |
698 | unsigned long keys, allActions[2] = { 0, 0 }, events;\r |
699 | static unsigned long prevEvents = 0;\r |
700 | int joy, i;\r |
701 | \r |
702 | keys = gp2x_joystick_read(0);\r |
703 | if (keys & GP2X_SELECT) {\r |
704 | engineState = select_exits ? PGS_Quit : PGS_Menu;\r |
705 | // wait until select is released, so menu would not resume game\r |
706 | while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r |
707 | }\r |
708 | \r |
709 | keys &= CONFIGURABLE_KEYS;\r |
710 | \r |
711 | for (i = 0; i < 32; i++)\r |
712 | {\r |
713 | if (keys & (1 << i)) {\r |
714 | int pl, acts = currentConfig.KeyBinds[i];\r |
715 | if (!acts) continue;\r |
716 | pl = (acts >> 16) & 1;\r |
717 | if (combo_keys & (1 << i)) {\r |
718 | int u = i+1, acts_c = acts & combo_acts;\r |
719 | // let's try to find the other one\r |
720 | if (acts_c)\r |
721 | for (; u < 32; u++)\r |
722 | if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {\r |
723 | allActions[pl] |= acts_c;\r |
724 | keys &= ~((1 << i) | (1 << u));\r |
725 | break;\r |
726 | }\r |
727 | // add non-combo actions if combo ones were not found\r |
728 | if (!acts_c || u == 32)\r |
729 | allActions[pl] |= acts & ~combo_acts;\r |
730 | } else {\r |
731 | allActions[pl] |= acts;\r |
732 | }\r |
733 | }\r |
734 | }\r |
735 | \r |
736 | // add joy inputs\r |
737 | if (num_of_joys > 0)\r |
738 | {\r |
739 | gp2x_usbjoy_update();\r |
740 | for (joy = 0; joy < num_of_joys; joy++) {\r |
741 | int keys = gp2x_usbjoy_check2(joy);\r |
742 | for (i = 0; i < 32; i++) {\r |
743 | if (keys & (1 << i)) {\r |
744 | int acts = currentConfig.JoyBinds[joy][i];\r |
745 | int pl = (acts >> 16) & 1;\r |
746 | allActions[pl] |= acts;\r |
747 | }\r |
748 | }\r |
749 | }\r |
750 | }\r |
751 | \r |
25fced50 |
752 | PicoPad[0] = (unsigned short) allActions[0];\r |
753 | PicoPad[1] = (unsigned short) allActions[1];\r |
720ee7f6 |
754 | \r |
755 | events = (allActions[0] | allActions[1]) >> 16;\r |
756 | \r |
757 | // volume is treated in special way and triggered every frame\r |
758 | if(events & 0x6000) {\r |
759 | int vol = currentConfig.volume;\r |
760 | if (events & 0x2000) {\r |
761 | if (vol < 90) vol++;\r |
762 | } else {\r |
763 | if (vol > 0) vol--;\r |
764 | }\r |
765 | gp2x_sound_volume(vol, vol);\r |
766 | sprintf(noticeMsg, "VOL: %02i", vol);\r |
767 | gettimeofday(¬iceMsgTime, 0);\r |
768 | currentConfig.volume = vol;\r |
769 | }\r |
770 | \r |
771 | events &= ~prevEvents;\r |
772 | if (events) RunEvents(events);\r |
25fced50 |
773 | if (movie_data) updateMovie();\r |
720ee7f6 |
774 | \r |
775 | prevEvents = (allActions[0] | allActions[1]) >> 16;\r |
776 | }\r |
777 | \r |
778 | static int snd_excess_add = 0, snd_excess_cnt = 0; // hack\r |
779 | \r |
780 | static void updateSound(void)\r |
781 | {\r |
782 | int len = (PicoOpt&8)?PsndLen*2:PsndLen;\r |
783 | \r |
784 | snd_excess_cnt += snd_excess_add;\r |
785 | if (snd_excess_cnt >= 0x10000) {\r |
786 | snd_excess_cnt -= 0x10000;\r |
787 | if (PicoOpt&8) {\r |
788 | PsndOut[len] = PsndOut[len-2];\r |
789 | PsndOut[len+1] = PsndOut[len-1];\r |
790 | len+=2;\r |
791 | } else {\r |
792 | PsndOut[len] = PsndOut[len-1];\r |
793 | len++;\r |
794 | }\r |
795 | }\r |
796 | \r |
797 | gp2x_sound_write(PsndOut, len<<1);\r |
798 | }\r |
799 | \r |
800 | \r |
801 | static void SkipFrame(int do_sound)\r |
802 | {\r |
803 | void *sndbuff_tmp = 0;\r |
804 | if (PsndOut && !do_sound) {\r |
805 | sndbuff_tmp = PsndOut;\r |
806 | PsndOut = 0;\r |
807 | }\r |
808 | \r |
809 | PicoSkipFrame=1;\r |
810 | PicoFrame();\r |
811 | PicoSkipFrame=0;\r |
812 | \r |
813 | if (sndbuff_tmp && !do_sound) {\r |
814 | PsndOut = sndbuff_tmp;\r |
815 | }\r |
816 | }\r |
817 | \r |
818 | \r |
819 | static void simpleWait(int thissec, int lim_time)\r |
820 | {\r |
821 | struct timeval tval;\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 | while(tval.tv_usec < lim_time)\r |
828 | {\r |
829 | spend_cycles(1024);\r |
830 | gettimeofday(&tval, 0);\r |
831 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
832 | }\r |
833 | }\r |
834 | \r |
835 | \r |
836 | void emu_Loop(void)\r |
837 | {\r |
838 | static int gp2x_old_clock = 200;\r |
839 | static int PsndRate_old = 0, PicoOpt_old = 0, PsndLen_real = 0, pal_old = 0;\r |
840 | char fpsbuff[24]; // fps count c string\r |
841 | struct timeval tval; // timing\r |
842 | int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;\r |
843 | int target_fps, target_frametime, lim_time, i;\r |
844 | char *notice = 0;\r |
845 | \r |
846 | printf("entered emu_Loop()\n");\r |
847 | \r |
848 | if (gp2x_old_clock != currentConfig.CPUclock) {\r |
849 | printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r |
850 | set_FCLK(currentConfig.CPUclock);\r |
851 | gp2x_old_clock = currentConfig.CPUclock;\r |
852 | printf(" done\n");\r |
853 | }\r |
854 | \r |
855 | if (gp2x_old_gamma != currentConfig.gamma) {\r |
856 | set_gamma(currentConfig.gamma);\r |
857 | gp2x_old_gamma = currentConfig.gamma;\r |
858 | printf("updated gamma to %i\n", currentConfig.gamma);\r |
859 | }\r |
860 | \r |
861 | fpsbuff[0] = 0;\r |
862 | \r |
863 | // make sure we are in correct mode\r |
864 | vidResetMode();\r |
865 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r |
866 | find_combos();\r |
867 | \r |
868 | // pal/ntsc might have changed, reset related stuff\r |
869 | target_fps = Pico.m.pal ? 50 : 60;\r |
870 | target_frametime = 1000000/target_fps;\r |
871 | reset_timing = 1;\r |
872 | \r |
873 | // prepare sound stuff\r |
874 | if(currentConfig.EmuOpt & 4) {\r |
875 | if(PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old || crashed_940) {\r |
876 | /* if 940 is turned off, we need it to be put back to sleep */\r |
877 | if (!(PicoOpt&0x200) && ((PicoOpt^PicoOpt_old)&0x200)) {\r |
878 | Reset940(1);\r |
879 | Pause940(1);\r |
880 | }\r |
881 | sound_rerate();\r |
882 | }\r |
883 | //excess_samples = PsndRate - PsndLen*target_fps;\r |
884 | snd_excess_cnt = 0;\r |
885 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r |
886 | 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 |
887 | gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r |
888 | gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r |
889 | PicoWriteSound = updateSound;\r |
890 | PsndOut = calloc((PicoOpt&8) ? (PsndLen*4+4) : (PsndLen*2+2), 1);\r |
891 | PsndRate_old = PsndRate;\r |
892 | PsndLen_real = PsndLen;\r |
893 | PicoOpt_old = PicoOpt;\r |
894 | pal_old = Pico.m.pal;\r |
895 | } else {\r |
896 | PsndOut = 0;\r |
897 | }\r |
898 | \r |
899 | // loop?\r |
900 | while (engineState == PGS_Running)\r |
901 | {\r |
902 | int modes;\r |
903 | \r |
904 | gettimeofday(&tval, 0);\r |
905 | if(reset_timing) {\r |
906 | reset_timing = 0;\r |
907 | thissec = tval.tv_sec;\r |
908 | frames_shown = frames_done = tval.tv_usec/target_frametime;\r |
909 | }\r |
910 | \r |
911 | // show notice message?\r |
912 | if(noticeMsgTime.tv_sec) {\r |
913 | static int noticeMsgSum;\r |
914 | if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r |
915 | noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r |
916 | clearArea(0);\r |
917 | notice = 0;\r |
918 | } else {\r |
919 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r |
920 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r |
921 | notice = noticeMsg;\r |
922 | }\r |
923 | }\r |
924 | \r |
925 | // check for mode changes\r |
926 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r |
927 | if (modes != oldmodes) {\r |
928 | int scalex = 320;\r |
929 | osd_fps_x = OSD_FPS_X;\r |
930 | if (modes & 4) {\r |
931 | vidCpyM2 = vidCpyM2_40col;\r |
932 | } else {\r |
933 | if (PicoOpt & 0x100) {\r |
934 | vidCpyM2 = vidCpyM2_32col_nobord;\r |
935 | scalex = 256;\r |
936 | osd_fps_x = OSD_FPS_X - 64;\r |
937 | } else {\r |
938 | vidCpyM2 = vidCpyM2_32col;\r |
939 | }\r |
940 | }\r |
941 | gp2x_video_RGB_setscaling(scalex, 240);\r |
942 | oldmodes = modes;\r |
943 | clearArea(1);\r |
944 | }\r |
945 | \r |
946 | // second changed?\r |
947 | if(thissec != tval.tv_sec) {\r |
948 | #ifdef BENCHMARK\r |
949 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r |
950 | if(++bench == 10) {\r |
951 | bench = 0;\r |
952 | bench_fps_s = bench_fps;\r |
953 | bf[bfp++ & 3] = bench_fps;\r |
954 | bench_fps = 0;\r |
955 | }\r |
956 | bench_fps += frames_shown;\r |
957 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r |
958 | #else\r |
959 | if(currentConfig.EmuOpt & 2)\r |
960 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r |
961 | #endif\r |
962 | thissec = tval.tv_sec;\r |
963 | \r |
964 | if(PsndOut == 0 && currentConfig.Frameskip >= 0) {\r |
965 | frames_done = frames_shown = 0;\r |
966 | } else {\r |
967 | // it is quite common for this implementation to leave 1 fame unfinished\r |
968 | // when second changes, but we don't want buffer to starve.\r |
969 | if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {\r |
970 | updateKeys();\r |
971 | SkipFrame(1); frames_done++;\r |
972 | }\r |
973 | \r |
974 | frames_done -= target_fps; if (frames_done < 0) frames_done = 0;\r |
975 | frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;\r |
976 | if (frames_shown > frames_done) frames_shown = frames_done;\r |
977 | }\r |
978 | }\r |
979 | \r |
980 | lim_time = (frames_done+1) * target_frametime;\r |
981 | if(currentConfig.Frameskip >= 0) { // frameskip enabled\r |
982 | for(i = 0; i < currentConfig.Frameskip; i++) {\r |
983 | updateKeys();\r |
984 | SkipFrame(1); frames_done++;\r |
985 | if (PsndOut) { // do framelimitting if sound is enabled\r |
986 | gettimeofday(&tval, 0);\r |
987 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
988 | if(tval.tv_usec < lim_time) { // we are too fast\r |
989 | simpleWait(thissec, lim_time);\r |
990 | }\r |
991 | }\r |
992 | lim_time += target_frametime;\r |
993 | }\r |
994 | } else if(tval.tv_usec > lim_time) { // auto frameskip\r |
995 | // no time left for this frame - skip\r |
996 | updateKeys();\r |
997 | SkipFrame(tval.tv_usec < lim_time+target_frametime); frames_done++;\r |
998 | continue;\r |
999 | }\r |
1000 | \r |
1001 | updateKeys();\r |
1002 | PicoFrame();\r |
1003 | \r |
47f22a1f |
1004 | #if 0\r |
1005 | if (Pico.m.frame_count == 31563) {\r |
1006 | FILE *f;\r |
1007 | f = fopen("ram_p.bin", "wb");\r |
1008 | if (!f) { printf("!f\n"); exit(1); }\r |
1009 | fwrite(Pico.ram, 1, 0x10000, f);\r |
1010 | fclose(f);\r |
1011 | exit(0);\r |
1012 | }\r |
1013 | #endif\r |
1a20dbc8 |
1014 | #if 0\r |
1015 | // debug\r |
1016 | {\r |
47f22a1f |
1017 | #define BYTE unsigned char\r |
1018 | #define WORD unsigned short\r |
1019 | struct\r |
1020 | {\r |
1021 | BYTE IDLength; /* 00h Size of Image ID field */\r |
1022 | BYTE ColorMapType; /* 01h Color map type */\r |
1023 | BYTE ImageType; /* 02h Image type code */\r |
1024 | WORD CMapStart; /* 03h Color map origin */\r |
1025 | WORD CMapLength; /* 05h Color map length */\r |
1026 | BYTE CMapDepth; /* 07h Depth of color map entries */\r |
1027 | WORD XOffset; /* 08h X origin of image */\r |
1028 | WORD YOffset; /* 0Ah Y origin of image */\r |
1029 | WORD Width; /* 0Ch Width of image */\r |
1030 | WORD Height; /* 0Eh Height of image */\r |
1031 | BYTE PixelDepth; /* 10h Image pixel size */\r |
1032 | BYTE ImageDescriptor; /* 11h Image descriptor byte */\r |
1033 | } __attribute__((packed)) TGAHEAD;\r |
1034 | static unsigned short oldscr[320*240];\r |
1a20dbc8 |
1035 | FILE *f; char name[128]; int i;\r |
47f22a1f |
1036 | \r |
1037 | memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r |
1038 | TGAHEAD.ImageType = 2;\r |
1039 | TGAHEAD.Width = 320;\r |
1040 | TGAHEAD.Height = 240;\r |
1041 | TGAHEAD.PixelDepth = 16;\r |
1042 | TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r |
1043 | \r |
1044 | #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r |
1045 | \r |
1046 | for (i = 0; i < 320*240; i++)\r |
1047 | if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;\r |
1048 | if (i < 320*240)\r |
1a20dbc8 |
1049 | {\r |
47f22a1f |
1050 | for (i = 0; i < 320*240; i++)\r |
1051 | oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);\r |
1052 | sprintf(name, "%05i.tga", Pico.m.frame_count);\r |
1a20dbc8 |
1053 | f = fopen(name, "wb");\r |
1054 | if (!f) { printf("!f\n"); exit(1); }\r |
47f22a1f |
1055 | fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r |
1056 | fwrite(oldscr, 1, 320*240*2, f);\r |
1a20dbc8 |
1057 | fclose(f);\r |
1058 | }\r |
1059 | }\r |
1060 | #endif\r |
1061 | \r |
720ee7f6 |
1062 | // check time\r |
1063 | gettimeofday(&tval, 0);\r |
1064 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
1065 | \r |
1066 | // sleep if we are still too fast\r |
1067 | if(PsndOut != 0 || currentConfig.Frameskip < 0)\r |
1068 | {\r |
1069 | // usleep sleeps for ~20ms minimum, so it is not a solution here\r |
1070 | gettimeofday(&tval, 0);\r |
1071 | if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r |
1072 | if(tval.tv_usec < lim_time)\r |
1073 | {\r |
1074 | // we are too fast\r |
1075 | simpleWait(thissec, lim_time);\r |
1076 | }\r |
1077 | }\r |
1078 | \r |
1079 | blit(fpsbuff, notice);\r |
1080 | \r |
1081 | frames_done++; frames_shown++;\r |
1082 | }\r |
1083 | \r |
1084 | // save SRAM\r |
1085 | if((currentConfig.EmuOpt & 1) && SRam.changed) {\r |
1086 | emu_SaveLoadGame(0, 1);\r |
1087 | SRam.changed = 0;\r |
1088 | }\r |
1089 | \r |
1090 | if (PsndOut != 0) {\r |
1091 | free(PsndOut);\r |
1092 | PsndOut = 0;\r |
1093 | }\r |
1094 | }\r |
1095 | \r |
1096 | \r |
1097 | void emu_ResetGame(void)\r |
1098 | {\r |
1099 | PicoReset(0);\r |
1100 | reset_timing = 1;\r |
1101 | }\r |
1102 | \r |
1103 | \r |
1104 | size_t gzRead2(void *p, size_t _size, size_t _n, void *file)\r |
1105 | {\r |
1106 | return gzread(file, p, _n);\r |
1107 | }\r |
1108 | \r |
1109 | \r |
1110 | size_t gzWrite2(void *p, size_t _size, size_t _n, void *file)\r |
1111 | {\r |
1112 | return gzwrite(file, p, _n);\r |
1113 | }\r |
1114 | \r |
1115 | typedef unsigned int (*STATE_SL_FUNC)(void *, unsigned int, unsigned int, void *);\r |
1116 | \r |
1117 | int emu_SaveLoadGame(int load, int sram)\r |
1118 | {\r |
1119 | int ret = 0;\r |
1120 | char saveFname[512];\r |
1121 | \r |
1122 | // make save filename\r |
1123 | romfname_ext(saveFname, "");\r |
1124 | if(sram) strcat(saveFname, ".srm");\r |
1125 | else {\r |
1126 | if(state_slot > 0 && state_slot < 10) sprintf(saveFname, "%s.%i", saveFname, state_slot);\r |
1127 | strcat(saveFname, ".mds");\r |
1128 | }\r |
1129 | \r |
1130 | printf("saveLoad (%i, %i): %s\n", load, sram, saveFname);\r |
1131 | \r |
1132 | if(sram) {\r |
1133 | FILE *sramFile;\r |
1134 | int sram_size = SRam.end-SRam.start+1;\r |
1135 | if(SRam.reg_back & 4) sram_size=0x2000;\r |
1136 | if(!SRam.data) return 0; // SRam forcefully disabled for this game\r |
1137 | if(load) {\r |
1138 | sramFile = fopen(saveFname, "rb");\r |
1139 | if(!sramFile) return -1;\r |
1140 | fread(SRam.data, 1, sram_size, sramFile);\r |
1141 | fclose(sramFile);\r |
1142 | } else {\r |
1143 | // sram save needs some special processing\r |
1144 | // see if we have anything to save\r |
1145 | for(; sram_size > 0; sram_size--)\r |
1146 | if(SRam.data[sram_size-1]) break;\r |
1147 | \r |
1148 | if(sram_size) {\r |
1149 | sramFile = fopen(saveFname, "wb");\r |
1150 | ret = fwrite(SRam.data, 1, sram_size, sramFile);\r |
1151 | ret = (ret != sram_size) ? -1 : 0;\r |
1152 | fclose(sramFile);\r |
1153 | sync();\r |
1154 | }\r |
1155 | }\r |
1156 | return ret;\r |
1157 | } else {\r |
1158 | void *PmovFile = NULL;\r |
1159 | // try gzip first\r |
1160 | if(currentConfig.EmuOpt & 8) {\r |
1161 | strcat(saveFname, ".gz");\r |
1162 | if( (PmovFile = gzopen(saveFname, load ? "rb" : "wb")) ) {\r |
1163 | areaRead = gzRead2;\r |
1164 | areaWrite = gzWrite2;\r |
1165 | if(!load) gzsetparams(PmovFile, 9, Z_DEFAULT_STRATEGY);\r |
1166 | } else\r |
1167 | saveFname[strlen(saveFname)-3] = 0;\r |
1168 | }\r |
1169 | if(!PmovFile) { // gzip failed or was disabled\r |
1170 | if( (PmovFile = fopen(saveFname, load ? "rb" : "wb")) ) {\r |
1171 | areaRead = (STATE_SL_FUNC) fread;\r |
1172 | areaWrite = (STATE_SL_FUNC) fwrite;\r |
1173 | }\r |
1174 | }\r |
1175 | if(PmovFile) {\r |
1176 | PmovState(load ? 6 : 5, PmovFile);\r |
1177 | strcpy(noticeMsg, load ? "GAME LOADED " : "GAME SAVED ");\r |
1178 | if(areaRead == gzRead2)\r |
1179 | gzclose(PmovFile);\r |
1180 | else fclose ((FILE *) PmovFile);\r |
1181 | PmovFile = 0;\r |
1182 | if (!load) sync();\r |
1183 | else Pico.m.dirtyPal=1;\r |
1184 | } else {\r |
1185 | strcpy(noticeMsg, load ? "LOAD FAILED " : "SAVE FAILED ");\r |
1186 | ret = -1;\r |
1187 | }\r |
1188 | \r |
1189 | gettimeofday(¬iceMsgTime, 0);\r |
1190 | return ret;\r |
1191 | }\r |
1192 | }\r |