notaz.gp2x.de / libpicofe.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
rom_data -> rom_loaded
[libpicofe.git] / gp2x / emu.c
CommitLineData
6ab2f79c 1// (c) Copyright 2006-2007 notaz, All rights reserved.\r
720ee7f6 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
4ffd2858 9#include <sys/stat.h>\r
10#include <sys/types.h>\r
720ee7f6 11#include <linux/limits.h>\r
12#include <ctype.h>\r
13#include <unistd.h>\r
14\r
15#include <stdarg.h>\r
16\r
17#include "emu.h"\r
18#include "gp2x.h"\r
19#include "usbjoy.h"\r
20#include "menu.h"\r
c7a4ff64 21#include "../common/arm_utils.h"\r
22#include "../common/fonts.h"\r
f013066e 23#include "../common/emu.h"\r
720ee7f6 24#include "cpuctrl.h"\r
25\r
70d2ecc5 26#include <Pico/PicoInt.h>\r
27#include <Pico/Patch.h>\r
0480e6c9 28#include <Pico/sound/mix.h>\r
70d2ecc5 29#include <zlib/zlib.h>\r
720ee7f6 30\r
4327ec37 31//#define PFRAMES\r
720ee7f6 32\r
33#ifdef BENCHMARK\r
34#define OSD_FPS_X 220\r
35#else\r
36#define OSD_FPS_X 260\r
37#endif\r
38\r
720ee7f6 39\r
40int engineState;\r
41int select_exits = 0;\r
720ee7f6 42\r
43char romFileName[PATH_MAX];\r
720ee7f6 44\r
45extern int crashed_940;\r
46\r
6245d5a0 47static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
720ee7f6 48static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
8f1b51ef 49static int osd_fps_x;\r
720ee7f6 50static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos\r
51static int gp2x_old_gamma = 100;\r
f013066e 52char noticeMsg[64]; // notice msg to draw\r
c7a4ff64 53unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r
8f1b51ef 54int reset_timing = 0;\r
720ee7f6 55\r
f013066e 56static void emu_msg_cb(const char *msg);\r
57static void emu_msg_tray_open(void);\r
720ee7f6 58\r
720ee7f6 59\r
f013066e 60void emu_noticeMsgUpdated(void)\r
720ee7f6 61{\r
f013066e 62 gettimeofday(&noticeMsgTime, 0);\r
720ee7f6 63}\r
64\r
f013066e 65void emu_getMainDir(char *dst, int len)\r
25fced50 66{\r
f013066e 67 extern char **g_argv;\r
68 int j;\r
25fced50 69\r
f013066e 70 strncpy(dst, g_argv[0], len);\r
71 len -= 32; // reserve\r
72 if (len < 0) len = 0;\r
73 dst[len] = 0;\r
74 for (j = strlen(dst); j > 0; j--)\r
75 if (dst[j] == '/') { dst[j+1] = 0; break; }\r
25fced50 76}\r
77\r
720ee7f6 78void emu_Init(void)\r
79{\r
80 // make temp buffer for alt renderer\r
c7a4ff64 81 PicoDraw2FB = malloc((8+320)*(8+240+8));\r
82 if (!PicoDraw2FB)\r
720ee7f6 83 {\r
c7a4ff64 84 printf("PicoDraw2FB == 0\n");\r
720ee7f6 85 }\r
86\r
4ffd2858 87 // make dirs for saves, cfgs, etc.\r
88 mkdir("mds", 0777);\r
89 mkdir("srm", 0777);\r
90 mkdir("brm", 0777);\r
91 mkdir("cfg", 0777);\r
92\r
720ee7f6 93 PicoInit();\r
dfa4c846 94 PicoMessage = emu_msg_cb;\r
5e2e14f2 95 PicoMCDopenTray = emu_msg_tray_open;\r
96 PicoMCDcloseTray = menu_loop_tray;\r
720ee7f6 97}\r
98\r
99\r
720ee7f6 100static void find_combos(void)\r
101{\r
102 int act, u;\r
103\r
104 // find out which keys and actions are combos\r
105 combo_keys = combo_acts = 0;\r
106 for (act = 0; act < 32; act++)\r
107 {\r
c93fb19e 108 int keyc = 0, keyc2 = 0;\r
65345ecc 109 if (act == 16 || act == 17) continue; // player2 flag\r
c93fb19e 110 if (act > 17)\r
720ee7f6 111 {\r
c93fb19e 112 for (u = 0; u < 32; u++)\r
113 if (currentConfig.KeyBinds[u] & (1 << act)) keyc++;\r
114 }\r
115 else\r
116 {\r
117 for (u = 0; u < 32; u++)\r
118 if ((currentConfig.KeyBinds[u] & 0x30000) == 0 && // pl. 1\r
119 (currentConfig.KeyBinds[u] & (1 << act))) keyc++;\r
120 for (u = 0; u < 32; u++)\r
121 if ((currentConfig.KeyBinds[u] & 0x30000) == 1 && // pl. 2\r
122 (currentConfig.KeyBinds[u] & (1 << act))) keyc2++;\r
123 if (keyc2 > keyc) keyc = keyc2;\r
720ee7f6 124 }\r
125 if (keyc > 1)\r
126 {\r
127 // loop again and mark those keys and actions as combo\r
128 for (u = 0; u < 32; u++)\r
129 {\r
130 if (currentConfig.KeyBinds[u] & (1 << act)) {\r
131 combo_keys |= 1 << u;\r
132 combo_acts |= 1 << act;\r
133 }\r
134 }\r
135 }\r
136 }\r
c93fb19e 137\r
720ee7f6 138 // printf("combo keys/acts: %08x %08x\n", combo_keys, combo_acts);\r
139}\r
140\r
141\r
f013066e 142static void scaling_update(void)\r
79cad122 143{\r
144 PicoOpt &= ~0x4100;\r
145 switch (currentConfig.scaling) {\r
146 default: break; // off\r
147 case 1: // hw hor\r
148 case 2: PicoOpt |= 0x0100; break; // hw hor+vert\r
149 case 3: PicoOpt |= 0x4000; break; // sw hor\r
150 }\r
151}\r
152\r
153\r
720ee7f6 154void emu_Deinit(void)\r
155{\r
156 // save SRAM\r
157 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
158 emu_SaveLoadGame(0, 1);\r
159 SRam.changed = 0;\r
160 }\r
161\r
79cad122 162 if (!(currentConfig.EmuOpt & 0x20)) {\r
163 FILE *f = fopen(PicoConfigFile, "r+b");\r
164 if (!f) emu_WriteConfig(0);\r
165 else {\r
166 // if we already have config, reload it, except last ROM\r
167 fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET);\r
168 fread(&currentConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f);\r
169 fseek(f, 0, SEEK_SET);\r
170 fwrite(&currentConfig, 1, sizeof(currentConfig), f);\r
171 fflush(f);\r
172 fclose(f);\r
173#ifndef NO_SYNC\r
174 sync();\r
175#endif\r
176 }\r
177 }\r
178\r
c7a4ff64 179 free(PicoDraw2FB);\r
720ee7f6 180\r
181 PicoExit();\r
720ee7f6 182\r
183 // restore gamma\r
184 if (gp2x_old_gamma != 100)\r
55a951dd 185 set_gamma(100, 0);\r
720ee7f6 186}\r
187\r
f013066e 188void emu_setDefaultConfig(void)\r
189{\r
190 memset(&currentConfig, 0, sizeof(currentConfig));\r
191 currentConfig.lastRomFile[0] = 0;\r
192 currentConfig.EmuOpt = 0x1f | 0x600; // | confirm_save, cd_leds\r
193 currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940, cd_pcm, cd_cdda\r
194 currentConfig.PsndRate = 22050; // 44100;\r
195 currentConfig.PicoRegion = 0; // auto\r
196 currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP\r
197 currentConfig.Frameskip = -1; // auto\r
198 currentConfig.CPUclock = 200;\r
199 currentConfig.volume = 50;\r
200 currentConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU\r
201 currentConfig.KeyBinds[ 4] = 1<<1;\r
202 currentConfig.KeyBinds[ 2] = 1<<2;\r
203 currentConfig.KeyBinds[ 6] = 1<<3;\r
204 currentConfig.KeyBinds[14] = 1<<4;\r
205 currentConfig.KeyBinds[13] = 1<<5;\r
206 currentConfig.KeyBinds[12] = 1<<6;\r
207 currentConfig.KeyBinds[ 8] = 1<<7;\r
208 currentConfig.KeyBinds[15] = 1<<26; // switch rend\r
209 currentConfig.KeyBinds[10] = 1<<27; // save state\r
210 currentConfig.KeyBinds[11] = 1<<28; // load state\r
211 currentConfig.KeyBinds[23] = 1<<29; // vol up\r
212 currentConfig.KeyBinds[22] = 1<<30; // vol down\r
213 currentConfig.gamma = 100;\r
214 currentConfig.PicoCDBuffers = 64;\r
215 currentConfig.scaling = 0;\r
13059a60 216}\r
217\r
0805b5b4 218void osd_text(int x, int y, const char *text)\r
720ee7f6 219{\r
220 int len = strlen(text)*8;\r
221\r
222 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
daf91588 223 int *p, i, h;\r
720ee7f6 224 x &= ~3; // align x\r
225 len = (len+3) >> 2;\r
226 for (h = 0; h < 8; h++) {\r
227 p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r
daf91588 228 for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
720ee7f6 229 }\r
f013066e 230 emu_textOut8(x, y, text);\r
720ee7f6 231 } else {\r
232 int *p, i, h;\r
233 x &= ~1; // align x\r
234 len = (len+1) >> 1;\r
235 for (h = 0; h < 8; h++) {\r
236 p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r
237 for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r
238 }\r
f013066e 239 emu_textOut16(x, y, text);\r
720ee7f6 240 }\r
241}\r
242\r
daf91588 243static void cd_leds(void)\r
244{\r
8dfb9fd5 245// static\r
246 int old_reg;\r
8ede36b9 247// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r
daf91588 248 old_reg = Pico_mcd->s68k_regs[0];\r
249\r
250 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
251 // 8-bit modes\r
252 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
253 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
49fe50f0 254 *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) =\r
255 *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) =\r
256 *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g;\r
257 *(unsigned int *)((char *)gp2x_screen + 320*2+12) =\r
258 *(unsigned int *)((char *)gp2x_screen + 320*3+12) =\r
259 *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r;\r
daf91588 260 } else {\r
261 // 16-bit modes\r
49fe50f0 262 unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4);\r
daf91588 263 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
264 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
49fe50f0 265 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
266 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
8ede36b9 267 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
daf91588 268 }\r
269}\r
270\r
720ee7f6 271static int EmuScan16(unsigned int num, void *sdata)\r
272{\r
273 if (!(Pico.video.reg[1]&8)) num += 8;\r
274 DrawLineDest = (unsigned short *) gp2x_screen + 320*(num+1);\r
275\r
276 return 0;\r
277}\r
278\r
279static int EmuScan8(unsigned int num, void *sdata)\r
280{\r
281 if (!(Pico.video.reg[1]&8)) num += 8;\r
282 DrawLineDest = (unsigned char *) gp2x_screen + 320*(num+1);\r
283\r
284 return 0;\r
285}\r
286\r
e5d315a5 287int localPal[0x100];\r
720ee7f6 288static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
289\r
0805b5b4 290static void blit(const char *fps, const char *notice)\r
720ee7f6 291{\r
daf91588 292 int emu_opt = currentConfig.EmuOpt;\r
293\r
720ee7f6 294 if (PicoOpt&0x10) {\r
295 // 8bit fast renderer\r
296 if (Pico.m.dirtyPal) {\r
297 Pico.m.dirtyPal = 0;\r
298 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
299 // feed new palette to our device\r
300 gp2x_video_setpalette(localPal, 0x40);\r
301 }\r
c7a4ff64 302 vidCpyM2((unsigned char *)gp2x_screen+320*8, PicoDraw2FB+328*8);\r
daf91588 303 } else if (!(emu_opt&0x80)) {\r
720ee7f6 304 // 8bit accurate renderer\r
305 if (Pico.m.dirtyPal) {\r
306 Pico.m.dirtyPal = 0;\r
307 if(Pico.video.reg[0xC]&8) { // shadow/hilight mode\r
308 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
309 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
310 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
311 blockcpy(localPal+0xc0, localPal+0x40, 0x40*4);\r
daf91588 312 localPal[0xc0] = 0x0000c000;\r
313 localPal[0xd0] = 0x00c00000;\r
720ee7f6 314 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
315 localPal[0xf0] = 0x00ffffff;\r
316 gp2x_video_setpalette(localPal, 0x100);\r
317 } else if (rendstatus & 0x20) { // mid-frame palette changes\r
318 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
319 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
320 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
321 gp2x_video_setpalette(localPal, 0xc0);\r
322 } else {\r
323 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
324 gp2x_video_setpalette(localPal, 0x40);\r
325 }\r
326 }\r
327 }\r
328\r
79cad122 329 if (notice || (emu_opt & 2)) {\r
330 int h = 232;\r
331 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 8;\r
332 if (notice) osd_text(4, h, notice);\r
333 if (emu_opt & 2)\r
334 osd_text(osd_fps_x, h, fps);\r
335 }\r
daf91588 336 if ((emu_opt & 0x400) && (PicoMCD & 1))\r
337 cd_leds();\r
720ee7f6 338\r
339 //gp2x_video_wait_vsync();\r
340 gp2x_video_flip();\r
341\r
342 if (!(PicoOpt&0x10)) {\r
343 if (!(Pico.video.reg[1]&8)) {\r
344 if (currentConfig.EmuOpt&0x80) {\r
345 DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r
346 } else {\r
347 DrawLineDest = (unsigned char *) gp2x_screen + 320*8;\r
348 }\r
349 } else {\r
350 DrawLineDest = gp2x_screen;\r
351 }\r
352 }\r
353}\r
354\r
355\r
356// clears whole screen or just the notice area (in all buffers)\r
357static void clearArea(int full)\r
358{\r
daf91588 359 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
360 // 8-bit renderers\r
361 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
362 else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
363 } else {\r
720ee7f6 364 // 16bit accurate renderer\r
365 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
366 else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
720ee7f6 367 }\r
368}\r
369\r
370\r
371static void vidResetMode(void)\r
372{\r
373 if (PicoOpt&0x10) {\r
720ee7f6 374 gp2x_video_changemode(8);\r
720ee7f6 375 } else if (currentConfig.EmuOpt&0x80) {\r
13059a60 376 gp2x_video_changemode(16);\r
720ee7f6 377 PicoDrawSetColorFormat(1);\r
378 PicoScan = EmuScan16;\r
379 PicoScan(0, 0);\r
380 } else {\r
daf91588 381 gp2x_video_changemode(8);\r
382 PicoDrawSetColorFormat(2);\r
383 PicoScan = EmuScan8;\r
384 PicoScan(0, 0);\r
385 }\r
386 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
387 // setup pal for 8-bit modes\r
388 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
389 localPal[0xd0] = 0x00c00000;\r
720ee7f6 390 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
391 localPal[0xf0] = 0x00ffffff;\r
720ee7f6 392 gp2x_video_setpalette(localPal, 0x100);\r
393 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
394 gp2x_video_flip();\r
720ee7f6 395 }\r
396 Pico.m.dirtyPal = 1;\r
397 // reset scaling\r
79cad122 398 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
399 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
400 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
720ee7f6 401}\r
402\r
403\r
dfa4c846 404static void emu_msg_cb(const char *msg)\r
405{\r
406 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
407 // 8-bit renderers\r
408 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
409 osd_text(4, 232, msg);\r
410 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232, 320*232, 320*8);\r
411 } else {\r
412 // 16bit accurate renderer\r
413 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
414 osd_text(4, 232, msg);\r
415 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232*2, 320*232*2, 320*8*2);\r
416 }\r
417 gettimeofday(&noticeMsgTime, 0);\r
418 noticeMsgTime.tv_sec -= 2;\r
e5589947 419\r
420 /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
421 reset_timing = 1;\r
dfa4c846 422}\r
423\r
1078e544 424static void emu_state_cb(const char *str)\r
425{\r
426 clearArea(0);\r
427 blit("", str);\r
428}\r
429\r
5e2e14f2 430static void emu_msg_tray_open(void)\r
431{\r
432 strcpy(noticeMsg, "CD tray opened");\r
433 gettimeofday(&noticeMsgTime, 0);\r
434}\r
435\r
0480e6c9 436static void update_volume(int has_changed, int is_up)\r
437{\r
438 static int prev_frame = 0, wait_frames = 0;\r
439 int vol = currentConfig.volume;\r
440\r
441 if (has_changed)\r
442 {\r
443 if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
444 wait_frames++;\r
445 else {\r
446 if (is_up) {\r
447 if (vol < 99) vol++;\r
448 } else {\r
449 if (vol > 0) vol--;\r
450 }\r
451 wait_frames = 0;\r
452 gp2x_sound_volume(vol, vol);\r
453 currentConfig.volume = vol;\r
454 }\r
455 sprintf(noticeMsg, "VOL: %02i", vol);\r
456 gettimeofday(&noticeMsgTime, 0);\r
457 prev_frame = Pico.m.frame_count;\r
458 }\r
459\r
460 // set the right mixer func\r
461 if (!(PicoOpt&8)) return; // just use defaults for mono\r
462 if (vol >= 5)\r
463 PsndMix_32_to_16l = mix_32_to_16l_stereo;\r
464 else {\r
465 mix_32_to_16l_level = 5 - vol;\r
466 PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r
467 }\r
468}\r
469\r
470static void change_fast_forward(int set_on)\r
471{\r
472 static void *set_PsndOut = NULL;\r
473 static int set_Frameskip, set_EmuOpt, is_on = 0;\r
474\r
475 if (set_on && !is_on) {\r
476 set_PsndOut = PsndOut;\r
477 set_Frameskip = currentConfig.Frameskip;\r
478 set_EmuOpt = currentConfig.EmuOpt;\r
479 PsndOut = NULL;\r
480 currentConfig.Frameskip = 8;\r
481 currentConfig.EmuOpt &= ~4;\r
482 is_on = 1;\r
483 }\r
484 else if (!set_on && is_on) {\r
485 PsndOut = set_PsndOut;\r
486 currentConfig.Frameskip = set_Frameskip;\r
487 currentConfig.EmuOpt = set_EmuOpt;\r
488 PsndRerate(1);\r
489 update_volume(0, 0);\r
490 reset_timing = 1;\r
491 is_on = 0;\r
492 }\r
493}\r
494\r
720ee7f6 495static void RunEvents(unsigned int which)\r
496{\r
0480e6c9 497 if (which & 0x1800) // save or load (but not both)\r
498 {\r
720ee7f6 499 int do_it = 1;\r
f013066e 500 if ( emu_checkSaveFile(state_slot) &&\r
46ede6a6 501 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r
502 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save\r
720ee7f6 503 unsigned long keys;\r
46ede6a6 504 blit("", (which & 0x1000) ? "LOAD STATE? (Y=yes, X=no)" : "OVERWRITE SAVE? (Y=yes, X=no)");\r
720ee7f6 505 while( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r
506 usleep(50*1024);\r
507 if (keys & GP2X_X) do_it = 0;\r
508 clearArea(0);\r
509 }\r
510 if (do_it) {\r
0805b5b4 511 osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
1078e544 512 PicoStateProgressCB = emu_state_cb;\r
513 gp2x_memcpy_all_buffers(gp2x_screen, 0, 320*240*2);\r
0805b5b4 514 emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
1078e544 515 PicoStateProgressCB = NULL;\r
720ee7f6 516 }\r
517\r
518 reset_timing = 1;\r
519 }\r
0480e6c9 520 if (which & 0x0400) // switch renderer\r
521 {\r
720ee7f6 522 if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
523 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
524 else currentConfig.EmuOpt &= ~0x80;\r
525\r
526 vidResetMode();\r
527\r
528 if (PicoOpt&0x10) {\r
529 strcpy(noticeMsg, " 8bit fast renderer");\r
530 } else if (currentConfig.EmuOpt&0x80) {\r
531 strcpy(noticeMsg, "16bit accurate renderer");\r
532 } else {\r
533 strcpy(noticeMsg, " 8bit accurate renderer");\r
534 }\r
535\r
536 gettimeofday(&noticeMsgTime, 0);\r
537 }\r
0480e6c9 538 if (which & 0x0300)\r
539 {\r
720ee7f6 540 if(which&0x0200) {\r
541 state_slot -= 1;\r
542 if(state_slot < 0) state_slot = 9;\r
543 } else {\r
544 state_slot += 1;\r
545 if(state_slot > 9) state_slot = 0;\r
546 }\r
f013066e 547 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r
720ee7f6 548 gettimeofday(&noticeMsgTime, 0);\r
549 }\r
0480e6c9 550 if (which & 0x0080) {\r
720ee7f6 551 engineState = PGS_Menu;\r
552 }\r
553}\r
554\r
555\r
556static void updateKeys(void)\r
557{\r
558 unsigned long keys, allActions[2] = { 0, 0 }, events;\r
559 static unsigned long prevEvents = 0;\r
560 int joy, i;\r
561\r
562 keys = gp2x_joystick_read(0);\r
563 if (keys & GP2X_SELECT) {\r
564 engineState = select_exits ? PGS_Quit : PGS_Menu;\r
565 // wait until select is released, so menu would not resume game\r
566 while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r
567 }\r
568\r
569 keys &= CONFIGURABLE_KEYS;\r
570\r
571 for (i = 0; i < 32; i++)\r
572 {\r
573 if (keys & (1 << i)) {\r
574 int pl, acts = currentConfig.KeyBinds[i];\r
575 if (!acts) continue;\r
576 pl = (acts >> 16) & 1;\r
577 if (combo_keys & (1 << i)) {\r
578 int u = i+1, acts_c = acts & combo_acts;\r
579 // let's try to find the other one\r
580 if (acts_c)\r
581 for (; u < 32; u++)\r
582 if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) {\r
583 allActions[pl] |= acts_c;\r
584 keys &= ~((1 << i) | (1 << u));\r
585 break;\r
586 }\r
587 // add non-combo actions if combo ones were not found\r
588 if (!acts_c || u == 32)\r
589 allActions[pl] |= acts & ~combo_acts;\r
590 } else {\r
591 allActions[pl] |= acts;\r
592 }\r
593 }\r
594 }\r
595\r
596 // add joy inputs\r
597 if (num_of_joys > 0)\r
598 {\r
599 gp2x_usbjoy_update();\r
600 for (joy = 0; joy < num_of_joys; joy++) {\r
601 int keys = gp2x_usbjoy_check2(joy);\r
602 for (i = 0; i < 32; i++) {\r
603 if (keys & (1 << i)) {\r
604 int acts = currentConfig.JoyBinds[joy][i];\r
605 int pl = (acts >> 16) & 1;\r
606 allActions[pl] |= acts;\r
607 }\r
608 }\r
609 }\r
610 }\r
611\r
25fced50 612 PicoPad[0] = (unsigned short) allActions[0];\r
613 PicoPad[1] = (unsigned short) allActions[1];\r
720ee7f6 614\r
615 events = (allActions[0] | allActions[1]) >> 16;\r
616\r
617 // volume is treated in special way and triggered every frame\r
0480e6c9 618 if (events & 0x6000)\r
619 update_volume(1, events & 0x2000);\r
620\r
621 if ((events ^ prevEvents) & 0x40)\r
622 change_fast_forward(events & 0x40);\r
720ee7f6 623\r
624 events &= ~prevEvents;\r
625 if (events) RunEvents(events);\r
f013066e 626 if (movie_data) emu_updateMovie();\r
720ee7f6 627\r
628 prevEvents = (allActions[0] | allActions[1]) >> 16;\r
629}\r
630\r
720ee7f6 631\r
3ef975c9 632static void updateSound(int len)\r
720ee7f6 633{\r
3ef975c9 634 if (PicoOpt&8) len<<=1;\r
720ee7f6 635\r
d9a18943 636 /* avoid writing audio when lagging behind to prevent audio lag */\r
637 if (PicoSkipFrame != 2)\r
638 gp2x_sound_write(PsndOut, len<<1);\r
720ee7f6 639}\r
640\r
641\r
d9a18943 642static void SkipFrame(int do_audio)\r
720ee7f6 643{\r
d9a18943 644 PicoSkipFrame=do_audio ? 1 : 2;\r
720ee7f6 645 PicoFrame();\r
646 PicoSkipFrame=0;\r
720ee7f6 647}\r
648\r
649\r
f013066e 650void emu_forcedFrame(void)\r
4ffd2858 651{\r
652 int po_old = PicoOpt;\r
13059a60 653 int eo_old = currentConfig.EmuOpt;\r
654\r
655 PicoOpt &= ~0x0010;\r
656 PicoOpt |= 0x4080; // soft_scale | acc_sprites\r
657 currentConfig.EmuOpt |= 0x80;\r
4ffd2858 658\r
13059a60 659 //vidResetMode();\r
660 PicoDrawSetColorFormat(1);\r
661 PicoScan = EmuScan16;\r
662 PicoScan(0, 0);\r
663 Pico.m.dirtyPal = 1;\r
664 PicoFrameDrawOnly();\r
4ffd2858 665\r
13059a60 666/*\r
4ffd2858 667 if (!(Pico.video.reg[12]&1)) {\r
dccc2bd0 668 vidCpyM2 = vidCpyM2_32col;\r
4ffd2858 669 clearArea(1);\r
dccc2bd0 670 } else vidCpyM2 = vidCpyM2_40col;\r
4ffd2858 671\r
c7a4ff64 672 vidCpyM2((unsigned char *)gp2x_screen+320*8, PicoDraw2FB+328*8);\r
4ffd2858 673 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
674 gp2x_video_setpalette(localPal, 0x40);\r
13059a60 675*/\r
e1aa0fa7 676 PicoOpt = po_old;\r
13059a60 677 currentConfig.EmuOpt = eo_old;\r
4ffd2858 678}\r
679\r
720ee7f6 680static void simpleWait(int thissec, int lim_time)\r
681{\r
682 struct timeval tval;\r
683\r
684 spend_cycles(1024);\r
685 gettimeofday(&tval, 0);\r
686 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
687\r
688 while(tval.tv_usec < lim_time)\r
689 {\r
690 spend_cycles(1024);\r
691 gettimeofday(&tval, 0);\r
692 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
693 }\r
694}\r
695\r
696\r
697void emu_Loop(void)\r
698{\r
699 static int gp2x_old_clock = 200;\r
65345ecc 700 static int PsndRate_old = 0, PicoOpt_old = 0, EmuOpt_old = 0, pal_old = 0;\r
720ee7f6 701 char fpsbuff[24]; // fps count c string\r
702 struct timeval tval; // timing\r
703 int thissec = 0, frames_done = 0, frames_shown = 0, oldmodes = 0;\r
59d0f042 704 int target_fps, target_frametime, lim_time, vsync_offset, i;\r
720ee7f6 705 char *notice = 0;\r
706\r
707 printf("entered emu_Loop()\n");\r
708\r
709 if (gp2x_old_clock != currentConfig.CPUclock) {\r
710 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
711 set_FCLK(currentConfig.CPUclock);\r
712 gp2x_old_clock = currentConfig.CPUclock;\r
713 printf(" done\n");\r
714 }\r
715\r
55a951dd 716 if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r
717 set_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 718 gp2x_old_gamma = currentConfig.gamma;\r
55a951dd 719 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 720 }\r
721\r
59d0f042 722 if ((EmuOpt_old&0x2000) != (currentConfig.EmuOpt&0x2000)) {\r
723 if (currentConfig.EmuOpt&0x2000)\r
724 set_LCD_custom_rate(Pico.m.pal ? LCDR_100 : LCDR_120);\r
725 else unset_LCD_custom_rate();\r
726 }\r
727\r
728 EmuOpt_old = currentConfig.EmuOpt;\r
720ee7f6 729 fpsbuff[0] = 0;\r
730\r
731 // make sure we are in correct mode\r
732 vidResetMode();\r
f013066e 733 scaling_update();\r
e5d315a5 734 Pico.m.dirtyPal = 1;\r
720ee7f6 735 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
736 find_combos();\r
737\r
738 // pal/ntsc might have changed, reset related stuff\r
739 target_fps = Pico.m.pal ? 50 : 60;\r
740 target_frametime = 1000000/target_fps;\r
741 reset_timing = 1;\r
742\r
743 // prepare sound stuff\r
0480e6c9 744 if (currentConfig.EmuOpt & 4)\r
745 {\r
3ef975c9 746 int snd_excess_add;\r
4327ec37 747 if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old ||\r
748 ((PicoOpt&0x200) && crashed_940)) {\r
c4f2f371 749 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
720ee7f6 750 }\r
720ee7f6 751 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
4327ec37 752 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
753 PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r
720ee7f6 754 gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r
755 gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r
756 PicoWriteSound = updateSound;\r
0480e6c9 757 update_volume(0, 0);\r
3ef975c9 758 memset(sndBuffer, 0, sizeof(sndBuffer));\r
759 PsndOut = sndBuffer;\r
720ee7f6 760 PsndRate_old = PsndRate;\r
720ee7f6 761 PicoOpt_old = PicoOpt;\r
762 pal_old = Pico.m.pal;\r
763 } else {\r
0480e6c9 764 PsndOut = NULL;\r
720ee7f6 765 }\r
766\r
5f9922e6 767 // prepare CD buffer\r
768 if (PicoMCD & 1) PicoCDBufferInit();\r
769\r
59d0f042 770 // calc vsync offset to sync timing code with vsync\r
771 if (currentConfig.EmuOpt&0x2000) {\r
772 gettimeofday(&tval, 0);\r
773 gp2x_video_wait_vsync();\r
774 gettimeofday(&tval, 0);\r
775 vsync_offset = tval.tv_usec;\r
776 while (vsync_offset >= target_frametime)\r
777 vsync_offset -= target_frametime;\r
778 if (!vsync_offset) vsync_offset++;\r
779 printf("vsync_offset: %i\n", vsync_offset);\r
780 } else\r
781 vsync_offset = 0;\r
782\r
720ee7f6 783 // loop?\r
784 while (engineState == PGS_Running)\r
785 {\r
786 int modes;\r
787\r
788 gettimeofday(&tval, 0);\r
0480e6c9 789 if (reset_timing) {\r
720ee7f6 790 reset_timing = 0;\r
791 thissec = tval.tv_sec;\r
792 frames_shown = frames_done = tval.tv_usec/target_frametime;\r
793 }\r
794\r
795 // show notice message?\r
0480e6c9 796 if (noticeMsgTime.tv_sec)\r
797 {\r
720ee7f6 798 static int noticeMsgSum;\r
799 if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
800 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
801 clearArea(0);\r
802 notice = 0;\r
803 } else {\r
804 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
805 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
806 notice = noticeMsg;\r
807 }\r
808 }\r
809\r
810 // check for mode changes\r
811 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
0480e6c9 812 if (modes != oldmodes)\r
813 {\r
720ee7f6 814 int scalex = 320;\r
815 osd_fps_x = OSD_FPS_X;\r
816 if (modes & 4) {\r
817 vidCpyM2 = vidCpyM2_40col;\r
818 } else {\r
819 if (PicoOpt & 0x100) {\r
820 vidCpyM2 = vidCpyM2_32col_nobord;\r
821 scalex = 256;\r
822 osd_fps_x = OSD_FPS_X - 64;\r
823 } else {\r
824 vidCpyM2 = vidCpyM2_32col;\r
825 }\r
826 }\r
79cad122 827 if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
828 gp2x_video_RGB_setscaling(8, scalex, 224);\r
829 else gp2x_video_RGB_setscaling(0, scalex, 240);\r
720ee7f6 830 oldmodes = modes;\r
831 clearArea(1);\r
832 }\r
833\r
834 // second changed?\r
0480e6c9 835 if (thissec != tval.tv_sec)\r
836 {\r
720ee7f6 837#ifdef BENCHMARK\r
838 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
0480e6c9 839 if (++bench == 10) {\r
720ee7f6 840 bench = 0;\r
841 bench_fps_s = bench_fps;\r
842 bf[bfp++ & 3] = bench_fps;\r
843 bench_fps = 0;\r
844 }\r
845 bench_fps += frames_shown;\r
846 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
847#else\r
0480e6c9 848 if (currentConfig.EmuOpt & 2)\r
720ee7f6 849 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
0480e6c9 850 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
720ee7f6 851#endif\r
852 thissec = tval.tv_sec;\r
853\r
0480e6c9 854 if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
720ee7f6 855 frames_done = frames_shown = 0;\r
856 } else {\r
857 // it is quite common for this implementation to leave 1 fame unfinished\r
858 // when second changes, but we don't want buffer to starve.\r
859 if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {\r
860 updateKeys();\r
d9a18943 861 SkipFrame(1); frames_done++;\r
720ee7f6 862 }\r
863\r
864 frames_done -= target_fps; if (frames_done < 0) frames_done = 0;\r
865 frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0;\r
866 if (frames_shown > frames_done) frames_shown = frames_done;\r
867 }\r
868 }\r
4327ec37 869#ifdef PFRAMES\r
870 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
871#endif\r
59d0f042 872\r
873 lim_time = (frames_done+1) * target_frametime + vsync_offset;\r
720ee7f6 874 if(currentConfig.Frameskip >= 0) { // frameskip enabled\r
875 for(i = 0; i < currentConfig.Frameskip; i++) {\r
876 updateKeys();\r
d9a18943 877 SkipFrame(1); frames_done++;\r
0480e6c9 878 if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r
720ee7f6 879 gettimeofday(&tval, 0);\r
880 if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
881 if(tval.tv_usec < lim_time) { // we are too fast\r
882 simpleWait(thissec, lim_time);\r
883 }\r
884 }\r
885 lim_time += target_frametime;\r
886 }\r
887 } else if(tval.tv_usec > lim_time) { // auto frameskip\r
888 // no time left for this frame - skip\r
f013066e 889 if (tval.tv_usec - lim_time >= 300000) {\r
d032c15a 890 /* something caused a slowdown for us (disk access? cache flush?)\r
891 * try to recover by resetting timing... */\r
892 reset_timing = 1;\r
893 continue;\r
894 }\r
720ee7f6 895 updateKeys();\r
8f1b51ef 896 SkipFrame(tval.tv_usec < lim_time+target_frametime*2); frames_done++;\r
720ee7f6 897 continue;\r
898 }\r
899\r
900 updateKeys();\r
901 PicoFrame();\r
902\r
47f22a1f 903#if 0\r
904if (Pico.m.frame_count == 31563) {\r
905 FILE *f;\r
906 f = fopen("ram_p.bin", "wb");\r
907 if (!f) { printf("!f\n"); exit(1); }\r
908 fwrite(Pico.ram, 1, 0x10000, f);\r
909 fclose(f);\r
910 exit(0);\r
911}\r
912#endif\r
1a20dbc8 913#if 0\r
914 // debug\r
915 {\r
47f22a1f 916 #define BYTE unsigned char\r
917 #define WORD unsigned short\r
918 struct\r
919 {\r
920 BYTE IDLength; /* 00h Size of Image ID field */\r
921 BYTE ColorMapType; /* 01h Color map type */\r
922 BYTE ImageType; /* 02h Image type code */\r
923 WORD CMapStart; /* 03h Color map origin */\r
924 WORD CMapLength; /* 05h Color map length */\r
925 BYTE CMapDepth; /* 07h Depth of color map entries */\r
926 WORD XOffset; /* 08h X origin of image */\r
927 WORD YOffset; /* 0Ah Y origin of image */\r
928 WORD Width; /* 0Ch Width of image */\r
929 WORD Height; /* 0Eh Height of image */\r
930 BYTE PixelDepth; /* 10h Image pixel size */\r
931 BYTE ImageDescriptor; /* 11h Image descriptor byte */\r
932 } __attribute__((packed)) TGAHEAD;\r
933 static unsigned short oldscr[320*240];\r
1a20dbc8 934 FILE *f; char name[128]; int i;\r
47f22a1f 935\r
936 memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
937 TGAHEAD.ImageType = 2;\r
938 TGAHEAD.Width = 320;\r
939 TGAHEAD.Height = 240;\r
940 TGAHEAD.PixelDepth = 16;\r
941 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
942\r
943 #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
944\r
945 for (i = 0; i < 320*240; i++)\r
946 if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;\r
947 if (i < 320*240)\r
1a20dbc8 948 {\r
47f22a1f 949 for (i = 0; i < 320*240; i++)\r
950 oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);\r
951 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
1a20dbc8 952 f = fopen(name, "wb");\r
953 if (!f) { printf("!f\n"); exit(1); }\r
47f22a1f 954 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
955 fwrite(oldscr, 1, 320*240*2, f);\r
1a20dbc8 956 fclose(f);\r
957 }\r
958 }\r
959#endif\r
960\r
720ee7f6 961 // check time\r
962 gettimeofday(&tval, 0);\r
d032c15a 963 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 964\r
f013066e 965 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r
d032c15a 966 reset_timing = 1;\r
967 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
720ee7f6 968 {\r
59d0f042 969 // sleep or vsync if we are still too fast\r
720ee7f6 970 // usleep sleeps for ~20ms minimum, so it is not a solution here\r
0480e6c9 971 if (!reset_timing && tval.tv_usec < lim_time)\r
720ee7f6 972 {\r
973 // we are too fast\r
59d0f042 974 if (vsync_offset) {\r
975 if (lim_time - tval.tv_usec > target_frametime/2)\r
976 simpleWait(thissec, lim_time - target_frametime/4);\r
977 gp2x_video_wait_vsync();\r
978 } else {\r
979 simpleWait(thissec, lim_time);\r
980 }\r
720ee7f6 981 }\r
982 }\r
983\r
984 blit(fpsbuff, notice);\r
985\r
986 frames_done++; frames_shown++;\r
987 }\r
988\r
0480e6c9 989 change_fast_forward(0);\r
5f9922e6 990\r
991 if (PicoMCD & 1) PicoCDBufferFree();\r
992\r
720ee7f6 993 // save SRAM\r
994 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
6ab2f79c 995 emu_state_cb("Writing SRAM/BRAM..");\r
720ee7f6 996 emu_SaveLoadGame(0, 1);\r
997 SRam.changed = 0;\r
998 }\r
e5d315a5 999\r
13059a60 1000 // if in 8bit mode, generate 16bit image for menu background\r
1001 if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r
f013066e 1002 emu_forcedFrame();\r
720ee7f6 1003}\r
1004\r
1005\r
1006void emu_ResetGame(void)\r
1007{\r
1008 PicoReset(0);\r
1009 reset_timing = 1;\r
1010}\r
1011\r
1012\r
PicoDrive's frontend in a lib