notaz.gp2x.de / libpicofe.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Pico PCM, only one hardcoded mode for now
[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
0ae25549 24#include "../common/config.h"\r
720ee7f6 25#include "cpuctrl.h"\r
26\r
70d2ecc5 27#include <Pico/PicoInt.h>\r
28#include <Pico/Patch.h>\r
0480e6c9 29#include <Pico/sound/mix.h>\r
70d2ecc5 30#include <zlib/zlib.h>\r
720ee7f6 31\r
4327ec37 32//#define PFRAMES\r
720ee7f6 33\r
34#ifdef BENCHMARK\r
35#define OSD_FPS_X 220\r
36#else\r
37#define OSD_FPS_X 260\r
38#endif\r
39\r
720ee7f6 40\r
41int engineState;\r
42int select_exits = 0;\r
720ee7f6 43\r
44char romFileName[PATH_MAX];\r
720ee7f6 45\r
46extern int crashed_940;\r
47\r
6245d5a0 48static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
720ee7f6 49static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
8f1b51ef 50static int osd_fps_x;\r
720ee7f6 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
e1cd546f 56static int pico_pen_x = 0, pico_pen_y = 0, pico_inp_mode = 0;\r
57\r
f013066e 58static void emu_msg_cb(const char *msg);\r
59static void emu_msg_tray_open(void);\r
720ee7f6 60\r
720ee7f6 61\r
f013066e 62void emu_noticeMsgUpdated(void)\r
720ee7f6 63{\r
f013066e 64 gettimeofday(&noticeMsgTime, 0);\r
720ee7f6 65}\r
66\r
f013066e 67void emu_getMainDir(char *dst, int len)\r
25fced50 68{\r
f013066e 69 extern char **g_argv;\r
70 int j;\r
25fced50 71\r
f013066e 72 strncpy(dst, g_argv[0], len);\r
73 len -= 32; // reserve\r
74 if (len < 0) len = 0;\r
75 dst[len] = 0;\r
76 for (j = strlen(dst); j > 0; j--)\r
77 if (dst[j] == '/') { dst[j+1] = 0; break; }\r
25fced50 78}\r
79\r
720ee7f6 80void emu_Init(void)\r
81{\r
82 // make temp buffer for alt renderer\r
c7a4ff64 83 PicoDraw2FB = malloc((8+320)*(8+240+8));\r
84 if (!PicoDraw2FB)\r
720ee7f6 85 {\r
c7a4ff64 86 printf("PicoDraw2FB == 0\n");\r
720ee7f6 87 }\r
88\r
4ffd2858 89 // make dirs for saves, cfgs, etc.\r
90 mkdir("mds", 0777);\r
91 mkdir("srm", 0777);\r
92 mkdir("brm", 0777);\r
93 mkdir("cfg", 0777);\r
94\r
720ee7f6 95 PicoInit();\r
dfa4c846 96 PicoMessage = emu_msg_cb;\r
5e2e14f2 97 PicoMCDopenTray = emu_msg_tray_open;\r
98 PicoMCDcloseTray = menu_loop_tray;\r
720ee7f6 99}\r
100\r
101\r
f013066e 102static void scaling_update(void)\r
79cad122 103{\r
104 PicoOpt &= ~0x4100;\r
105 switch (currentConfig.scaling) {\r
106 default: break; // off\r
107 case 1: // hw hor\r
108 case 2: PicoOpt |= 0x0100; break; // hw hor+vert\r
109 case 3: PicoOpt |= 0x4000; break; // sw hor\r
110 }\r
111}\r
112\r
113\r
720ee7f6 114void emu_Deinit(void)\r
115{\r
116 // save SRAM\r
117 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
118 emu_SaveLoadGame(0, 1);\r
119 SRam.changed = 0;\r
120 }\r
121\r
79cad122 122 if (!(currentConfig.EmuOpt & 0x20)) {\r
0ae25549 123 config_writelrom(PicoConfigFile);\r
79cad122 124#ifndef NO_SYNC\r
0ae25549 125 sync();\r
79cad122 126#endif\r
79cad122 127 }\r
128\r
c7a4ff64 129 free(PicoDraw2FB);\r
720ee7f6 130\r
131 PicoExit();\r
720ee7f6 132\r
133 // restore gamma\r
134 if (gp2x_old_gamma != 100)\r
55a951dd 135 set_gamma(100, 0);\r
720ee7f6 136}\r
137\r
0ae25549 138void emu_prepareDefaultConfig(void)\r
139{\r
140 memset(&defaultConfig, 0, sizeof(defaultConfig));\r
367b6f1f 141 defaultConfig.EmuOpt = 0x1d | 0x00700; // | <- ram_tmng, confirm_save, cd_leds\r
142 defaultConfig.s_PicoOpt = 0x0f | 0x20e00; // | <- use_940, cd_pcm, cd_cdda, svp drc\r
0ae25549 143 defaultConfig.s_PsndRate = 44100;\r
144 defaultConfig.s_PicoRegion = 0; // auto\r
145 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
88bfc63d 146 defaultConfig.s_PicoCDBuffers = 0;\r
0ae25549 147 defaultConfig.Frameskip = -1; // auto\r
148 defaultConfig.CPUclock = 200;\r
149 defaultConfig.volume = 50;\r
150 defaultConfig.KeyBinds[ 0] = 1<<0; // SACB RLDU\r
151 defaultConfig.KeyBinds[ 4] = 1<<1;\r
152 defaultConfig.KeyBinds[ 2] = 1<<2;\r
153 defaultConfig.KeyBinds[ 6] = 1<<3;\r
154 defaultConfig.KeyBinds[14] = 1<<4;\r
155 defaultConfig.KeyBinds[13] = 1<<5;\r
156 defaultConfig.KeyBinds[12] = 1<<6;\r
157 defaultConfig.KeyBinds[ 8] = 1<<7;\r
158 defaultConfig.KeyBinds[15] = 1<<26; // switch rend\r
159 defaultConfig.KeyBinds[10] = 1<<27; // save state\r
160 defaultConfig.KeyBinds[11] = 1<<28; // load state\r
161 defaultConfig.KeyBinds[23] = 1<<29; // vol up\r
162 defaultConfig.KeyBinds[22] = 1<<30; // vol down\r
163 defaultConfig.gamma = 100;\r
164 defaultConfig.scaling = 0;\r
165}\r
166\r
f013066e 167void emu_setDefaultConfig(void)\r
168{\r
0ae25549 169 memcpy(&currentConfig, &defaultConfig, sizeof(currentConfig));\r
170 PicoOpt = currentConfig.s_PicoOpt;\r
171 PsndRate = currentConfig.s_PsndRate;\r
172 PicoRegionOverride = currentConfig.s_PicoRegion;\r
173 PicoAutoRgnOrder = currentConfig.s_PicoAutoRgnOrder;\r
174 PicoCDBuffers = currentConfig.s_PicoCDBuffers;\r
13059a60 175}\r
176\r
0805b5b4 177void osd_text(int x, int y, const char *text)\r
720ee7f6 178{\r
179 int len = strlen(text)*8;\r
180\r
181 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
daf91588 182 int *p, i, h;\r
720ee7f6 183 x &= ~3; // align x\r
184 len = (len+3) >> 2;\r
185 for (h = 0; h < 8; h++) {\r
186 p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r
daf91588 187 for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
720ee7f6 188 }\r
f013066e 189 emu_textOut8(x, y, text);\r
720ee7f6 190 } else {\r
191 int *p, i, h;\r
192 x &= ~1; // align x\r
193 len = (len+1) >> 1;\r
194 for (h = 0; h < 8; h++) {\r
195 p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r
196 for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r
197 }\r
f013066e 198 emu_textOut16(x, y, text);\r
720ee7f6 199 }\r
200}\r
201\r
daf91588 202static void cd_leds(void)\r
203{\r
8dfb9fd5 204// static\r
205 int old_reg;\r
8ede36b9 206// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r
daf91588 207 old_reg = Pico_mcd->s68k_regs[0];\r
208\r
209 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
210 // 8-bit modes\r
211 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
212 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
49fe50f0 213 *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) =\r
214 *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) =\r
215 *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g;\r
216 *(unsigned int *)((char *)gp2x_screen + 320*2+12) =\r
217 *(unsigned int *)((char *)gp2x_screen + 320*3+12) =\r
218 *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r;\r
daf91588 219 } else {\r
220 // 16-bit modes\r
49fe50f0 221 unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4);\r
daf91588 222 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
223 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
49fe50f0 224 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
225 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
8ede36b9 226 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
daf91588 227 }\r
228}\r
229\r
dd5fd477 230static int EmuScanBegin16(unsigned int num)\r
720ee7f6 231{\r
232 if (!(Pico.video.reg[1]&8)) num += 8;\r
dd5fd477 233 DrawLineDest = (unsigned short *) gp2x_screen + 320 * num;\r
720ee7f6 234\r
235 return 0;\r
236}\r
237\r
dd5fd477 238static int EmuScanBegin8(unsigned int num)\r
720ee7f6 239{\r
240 if (!(Pico.video.reg[1]&8)) num += 8;\r
dd5fd477 241 DrawLineDest = (unsigned char *) gp2x_screen + 320 * num;\r
720ee7f6 242\r
243 return 0;\r
244}\r
245\r
e5d315a5 246int localPal[0x100];\r
720ee7f6 247static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
248\r
0805b5b4 249static void blit(const char *fps, const char *notice)\r
720ee7f6 250{\r
daf91588 251 int emu_opt = currentConfig.EmuOpt;\r
252\r
b3818d1e 253 if (PicoOpt&0x10)\r
254 {\r
720ee7f6 255 // 8bit fast renderer\r
256 if (Pico.m.dirtyPal) {\r
257 Pico.m.dirtyPal = 0;\r
258 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
259 // feed new palette to our device\r
260 gp2x_video_setpalette(localPal, 0x40);\r
261 }\r
b3818d1e 262 // a hack for VR\r
263 if (PicoRead16Hook == PicoSVPRead16)\r
264 memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r
265 // do actual copy\r
c7a4ff64 266 vidCpyM2((unsigned char *)gp2x_screen+320*8, PicoDraw2FB+328*8);\r
b3818d1e 267 }\r
268 else if (!(emu_opt&0x80))\r
269 {\r
720ee7f6 270 // 8bit accurate renderer\r
dd5fd477 271 if (Pico.m.dirtyPal)\r
272 {\r
720ee7f6 273 Pico.m.dirtyPal = 0;\r
274 if(Pico.video.reg[0xC]&8) { // shadow/hilight mode\r
275 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
276 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
277 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
67dfdf5f 278 memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r
daf91588 279 localPal[0xc0] = 0x0000c000;\r
280 localPal[0xd0] = 0x00c00000;\r
720ee7f6 281 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
282 localPal[0xf0] = 0x00ffffff;\r
283 gp2x_video_setpalette(localPal, 0x100);\r
dd5fd477 284 } else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
720ee7f6 285 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
286 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
287 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
288 gp2x_video_setpalette(localPal, 0xc0);\r
289 } else {\r
290 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
291 gp2x_video_setpalette(localPal, 0x40);\r
292 }\r
293 }\r
294 }\r
295\r
79cad122 296 if (notice || (emu_opt & 2)) {\r
297 int h = 232;\r
298 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 8;\r
299 if (notice) osd_text(4, h, notice);\r
300 if (emu_opt & 2)\r
301 osd_text(osd_fps_x, h, fps);\r
302 }\r
dd5fd477 303 if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r
daf91588 304 cd_leds();\r
720ee7f6 305\r
306 //gp2x_video_wait_vsync();\r
307 gp2x_video_flip();\r
308\r
309 if (!(PicoOpt&0x10)) {\r
310 if (!(Pico.video.reg[1]&8)) {\r
311 if (currentConfig.EmuOpt&0x80) {\r
312 DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r
313 } else {\r
314 DrawLineDest = (unsigned char *) gp2x_screen + 320*8;\r
315 }\r
316 } else {\r
317 DrawLineDest = gp2x_screen;\r
318 }\r
319 }\r
320}\r
321\r
322\r
323// clears whole screen or just the notice area (in all buffers)\r
324static void clearArea(int full)\r
325{\r
daf91588 326 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
327 // 8-bit renderers\r
328 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
329 else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
330 } else {\r
720ee7f6 331 // 16bit accurate renderer\r
332 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
333 else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
720ee7f6 334 }\r
335}\r
336\r
337\r
338static void vidResetMode(void)\r
339{\r
340 if (PicoOpt&0x10) {\r
720ee7f6 341 gp2x_video_changemode(8);\r
720ee7f6 342 } else if (currentConfig.EmuOpt&0x80) {\r
13059a60 343 gp2x_video_changemode(16);\r
720ee7f6 344 PicoDrawSetColorFormat(1);\r
dd5fd477 345 PicoScanBegin = EmuScanBegin16;\r
720ee7f6 346 } else {\r
daf91588 347 gp2x_video_changemode(8);\r
348 PicoDrawSetColorFormat(2);\r
dd5fd477 349 PicoScanBegin = EmuScanBegin8;\r
daf91588 350 }\r
351 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
352 // setup pal for 8-bit modes\r
353 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
354 localPal[0xd0] = 0x00c00000;\r
720ee7f6 355 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
356 localPal[0xf0] = 0x00ffffff;\r
720ee7f6 357 gp2x_video_setpalette(localPal, 0x100);\r
358 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
359 gp2x_video_flip();\r
720ee7f6 360 }\r
361 Pico.m.dirtyPal = 1;\r
362 // reset scaling\r
79cad122 363 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
364 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
365 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
720ee7f6 366}\r
367\r
368\r
dfa4c846 369static void emu_msg_cb(const char *msg)\r
370{\r
371 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
372 // 8-bit renderers\r
373 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
374 osd_text(4, 232, msg);\r
375 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232, 320*232, 320*8);\r
376 } else {\r
377 // 16bit accurate renderer\r
378 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
379 osd_text(4, 232, msg);\r
380 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232*2, 320*232*2, 320*8*2);\r
381 }\r
382 gettimeofday(&noticeMsgTime, 0);\r
383 noticeMsgTime.tv_sec -= 2;\r
e5589947 384\r
385 /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
386 reset_timing = 1;\r
dfa4c846 387}\r
388\r
1078e544 389static void emu_state_cb(const char *str)\r
390{\r
391 clearArea(0);\r
392 blit("", str);\r
393}\r
394\r
5e2e14f2 395static void emu_msg_tray_open(void)\r
396{\r
397 strcpy(noticeMsg, "CD tray opened");\r
398 gettimeofday(&noticeMsgTime, 0);\r
399}\r
400\r
e1cd546f 401static void RunEventsPico(unsigned int events, unsigned int gp2x_keys)\r
402{\r
403 if (events & (1 << 3)) {\r
404 pico_inp_mode++;\r
405 if (pico_inp_mode > 2) pico_inp_mode = 0;\r
406 switch (pico_inp_mode) {\r
407 case 0: strcpy(noticeMsg, "Input: Joytick "); break;\r
408 case 1: strcpy(noticeMsg, "Input: Pen on Storyware"); break;\r
409 case 2: strcpy(noticeMsg, "Input: Pen on Pad "); break;\r
410 }\r
411 gettimeofday(&noticeMsgTime, 0);\r
412 }\r
413 if (events & (1 << 4)) {\r
e10925be 414 PicoPicohw.page--;\r
415 if (PicoPicohw.page < 0) PicoPicohw.page = 0;\r
416 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
e1cd546f 417 gettimeofday(&noticeMsgTime, 0);\r
418 }\r
419 if (events & (1 << 5)) {\r
e10925be 420 PicoPicohw.page++;\r
421 if (PicoPicohw.page > 6) PicoPicohw.page = 6;\r
422 sprintf(noticeMsg, "Page %i ", PicoPicohw.page);\r
e1cd546f 423 gettimeofday(&noticeMsgTime, 0);\r
424 }\r
425 if (pico_inp_mode != 0) {\r
426 PicoPad[0] &= ~0x0f; // release UDLR\r
427 if (gp2x_keys & GP2X_UP) { pico_pen_y--; if (pico_pen_y < 0) pico_pen_y = 0; }\r
428 if (gp2x_keys & GP2X_DOWN) { pico_pen_y++; if (pico_pen_y > 251) pico_pen_y = 251; }\r
429 if (gp2x_keys & GP2X_LEFT) { pico_pen_x--; if (pico_pen_x < 0) pico_pen_x = 0; }\r
430 if (gp2x_keys & GP2X_RIGHT){ pico_pen_x++; if (pico_pen_x > 353) pico_pen_x = 353; }\r
e10925be 431 PicoPicohw.pen_pos[0] = 0x03c + pico_pen_x;\r
432 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
e1cd546f 433 }\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
30d5518a 505 while ( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r
720ee7f6 506 usleep(50*1024);\r
507 if (keys & GP2X_X) do_it = 0;\r
30d5518a 508 while ( gp2x_joystick_read(1) & (GP2X_X|GP2X_Y) ) // wait for release\r
509 usleep(50*1024);\r
720ee7f6 510 clearArea(0);\r
511 }\r
512 if (do_it) {\r
0805b5b4 513 osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
1078e544 514 PicoStateProgressCB = emu_state_cb;\r
515 gp2x_memcpy_all_buffers(gp2x_screen, 0, 320*240*2);\r
0805b5b4 516 emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
1078e544 517 PicoStateProgressCB = NULL;\r
720ee7f6 518 }\r
519\r
520 reset_timing = 1;\r
521 }\r
0480e6c9 522 if (which & 0x0400) // switch renderer\r
523 {\r
720ee7f6 524 if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
525 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
526 else currentConfig.EmuOpt &= ~0x80;\r
527\r
528 vidResetMode();\r
529\r
530 if (PicoOpt&0x10) {\r
531 strcpy(noticeMsg, " 8bit fast renderer");\r
532 } else if (currentConfig.EmuOpt&0x80) {\r
533 strcpy(noticeMsg, "16bit accurate renderer");\r
534 } else {\r
535 strcpy(noticeMsg, " 8bit accurate renderer");\r
536 }\r
537\r
538 gettimeofday(&noticeMsgTime, 0);\r
539 }\r
0480e6c9 540 if (which & 0x0300)\r
541 {\r
720ee7f6 542 if(which&0x0200) {\r
543 state_slot -= 1;\r
544 if(state_slot < 0) state_slot = 9;\r
545 } else {\r
546 state_slot += 1;\r
547 if(state_slot > 9) state_slot = 0;\r
548 }\r
f013066e 549 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r
720ee7f6 550 gettimeofday(&noticeMsgTime, 0);\r
551 }\r
0480e6c9 552 if (which & 0x0080) {\r
720ee7f6 553 engineState = PGS_Menu;\r
554 }\r
555}\r
556\r
557\r
558static void updateKeys(void)\r
559{\r
e1cd546f 560 unsigned int keys, keys2, allActions[2] = { 0, 0 }, events;\r
561 static unsigned int prevEvents = 0;\r
720ee7f6 562 int joy, i;\r
563\r
564 keys = gp2x_joystick_read(0);\r
565 if (keys & GP2X_SELECT) {\r
566 engineState = select_exits ? PGS_Quit : PGS_Menu;\r
567 // wait until select is released, so menu would not resume game\r
568 while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r
569 }\r
570\r
571 keys &= CONFIGURABLE_KEYS;\r
e1cd546f 572 keys2 = keys;\r
720ee7f6 573\r
574 for (i = 0; i < 32; i++)\r
575 {\r
e1cd546f 576 if (keys2 & (1 << i))\r
8e708f92 577 {\r
720ee7f6 578 int pl, acts = currentConfig.KeyBinds[i];\r
579 if (!acts) continue;\r
580 pl = (acts >> 16) & 1;\r
8e708f92 581 if (kb_combo_keys & (1 << i))\r
582 {\r
450dab6f 583 int u = i+1, acts_c = acts & kb_combo_acts;\r
720ee7f6 584 // let's try to find the other one\r
8e708f92 585 if (acts_c) {\r
450dab6f 586 for (; u < 32; u++)\r
e1cd546f 587 if ( (keys2 & (1 << u)) && (currentConfig.KeyBinds[u] & acts_c) ) {\r
8e708f92 588 allActions[pl] |= acts_c & currentConfig.KeyBinds[u];\r
e1cd546f 589 keys2 &= ~((1 << i) | (1 << u));\r
720ee7f6 590 break;\r
591 }\r
8e708f92 592 }\r
720ee7f6 593 // add non-combo actions if combo ones were not found\r
594 if (!acts_c || u == 32)\r
8e708f92 595 allActions[pl] |= acts & ~kb_combo_acts;\r
720ee7f6 596 } else {\r
597 allActions[pl] |= acts;\r
598 }\r
599 }\r
600 }\r
601\r
602 // add joy inputs\r
603 if (num_of_joys > 0)\r
604 {\r
605 gp2x_usbjoy_update();\r
606 for (joy = 0; joy < num_of_joys; joy++) {\r
e1cd546f 607 int btns = gp2x_usbjoy_check2(joy);\r
720ee7f6 608 for (i = 0; i < 32; i++) {\r
e1cd546f 609 if (btns & (1 << i)) {\r
720ee7f6 610 int acts = currentConfig.JoyBinds[joy][i];\r
611 int pl = (acts >> 16) & 1;\r
612 allActions[pl] |= acts;\r
613 }\r
614 }\r
615 }\r
616 }\r
617\r
25fced50 618 PicoPad[0] = (unsigned short) allActions[0];\r
619 PicoPad[1] = (unsigned short) allActions[1];\r
720ee7f6 620\r
621 events = (allActions[0] | allActions[1]) >> 16;\r
622\r
623 // volume is treated in special way and triggered every frame\r
0480e6c9 624 if (events & 0x6000)\r
625 update_volume(1, events & 0x2000);\r
626\r
627 if ((events ^ prevEvents) & 0x40)\r
628 change_fast_forward(events & 0x40);\r
720ee7f6 629\r
630 events &= ~prevEvents;\r
e1cd546f 631\r
632 if (PicoAHW == PAHW_PICO)\r
633 RunEventsPico(events, keys);\r
634\r
720ee7f6 635 if (events) RunEvents(events);\r
f013066e 636 if (movie_data) emu_updateMovie();\r
720ee7f6 637\r
638 prevEvents = (allActions[0] | allActions[1]) >> 16;\r
639}\r
640\r
720ee7f6 641\r
3ef975c9 642static void updateSound(int len)\r
720ee7f6 643{\r
3ef975c9 644 if (PicoOpt&8) len<<=1;\r
720ee7f6 645\r
d9a18943 646 /* avoid writing audio when lagging behind to prevent audio lag */\r
647 if (PicoSkipFrame != 2)\r
648 gp2x_sound_write(PsndOut, len<<1);\r
720ee7f6 649}\r
650\r
651\r
d9a18943 652static void SkipFrame(int do_audio)\r
720ee7f6 653{\r
d9a18943 654 PicoSkipFrame=do_audio ? 1 : 2;\r
720ee7f6 655 PicoFrame();\r
656 PicoSkipFrame=0;\r
720ee7f6 657}\r
658\r
659\r
f013066e 660void emu_forcedFrame(void)\r
4ffd2858 661{\r
662 int po_old = PicoOpt;\r
13059a60 663 int eo_old = currentConfig.EmuOpt;\r
664\r
665 PicoOpt &= ~0x0010;\r
666 PicoOpt |= 0x4080; // soft_scale | acc_sprites\r
667 currentConfig.EmuOpt |= 0x80;\r
4ffd2858 668\r
13059a60 669 //vidResetMode();\r
670 PicoDrawSetColorFormat(1);\r
dd5fd477 671 PicoScanBegin = EmuScanBegin16;\r
13059a60 672 Pico.m.dirtyPal = 1;\r
673 PicoFrameDrawOnly();\r
4ffd2858 674\r
13059a60 675/*\r
4ffd2858 676 if (!(Pico.video.reg[12]&1)) {\r
dccc2bd0 677 vidCpyM2 = vidCpyM2_32col;\r
4ffd2858 678 clearArea(1);\r
dccc2bd0 679 } else vidCpyM2 = vidCpyM2_40col;\r
4ffd2858 680\r
c7a4ff64 681 vidCpyM2((unsigned char *)gp2x_screen+320*8, PicoDraw2FB+328*8);\r
4ffd2858 682 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
683 gp2x_video_setpalette(localPal, 0x40);\r
13059a60 684*/\r
e1aa0fa7 685 PicoOpt = po_old;\r
13059a60 686 currentConfig.EmuOpt = eo_old;\r
4ffd2858 687}\r
688\r
720ee7f6 689static void simpleWait(int thissec, int lim_time)\r
690{\r
691 struct timeval tval;\r
692\r
693 spend_cycles(1024);\r
694 gettimeofday(&tval, 0);\r
450dab6f 695 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 696\r
450dab6f 697 while (tval.tv_usec < lim_time)\r
720ee7f6 698 {\r
699 spend_cycles(1024);\r
700 gettimeofday(&tval, 0);\r
450dab6f 701 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 702 }\r
703}\r
704\r
705\r
450dab6f 706#if 0\r
707static void tga_dump(void)\r
708{\r
709#define BYTE unsigned char\r
710#define WORD unsigned short\r
711 struct\r
712 {\r
713 BYTE IDLength; /* 00h Size of Image ID field */\r
714 BYTE ColorMapType; /* 01h Color map type */\r
715 BYTE ImageType; /* 02h Image type code */\r
716 WORD CMapStart; /* 03h Color map origin */\r
717 WORD CMapLength; /* 05h Color map length */\r
718 BYTE CMapDepth; /* 07h Depth of color map entries */\r
719 WORD XOffset; /* 08h X origin of image */\r
720 WORD YOffset; /* 0Ah Y origin of image */\r
721 WORD Width; /* 0Ch Width of image */\r
722 WORD Height; /* 0Eh Height of image */\r
723 BYTE PixelDepth; /* 10h Image pixel size */\r
724 BYTE ImageDescriptor; /* 11h Image descriptor byte */\r
725 } __attribute__((packed)) TGAHEAD;\r
726 static unsigned short oldscr[320*240];\r
727 FILE *f; char name[128]; int i;\r
728\r
729 memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
730 TGAHEAD.ImageType = 2;\r
731 TGAHEAD.Width = 320;\r
732 TGAHEAD.Height = 240;\r
733 TGAHEAD.PixelDepth = 16;\r
734 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
735\r
736#define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
737\r
738 for (i = 0; i < 320*240; i++)\r
739 if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;\r
740 if (i < 320*240)\r
741 {\r
742 for (i = 0; i < 320*240; i++)\r
743 oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);\r
744 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
745 f = fopen(name, "wb");\r
746 if (!f) { printf("!f\n"); exit(1); }\r
747 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
748 fwrite(oldscr, 1, 320*240*2, f);\r
749 fclose(f);\r
750 }\r
751}\r
752#endif\r
753\r
754\r
720ee7f6 755void emu_Loop(void)\r
756{\r
757 static int gp2x_old_clock = 200;\r
65345ecc 758 static int PsndRate_old = 0, PicoOpt_old = 0, EmuOpt_old = 0, pal_old = 0;\r
720ee7f6 759 char fpsbuff[24]; // fps count c string\r
760 struct timeval tval; // timing\r
450dab6f 761 int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r
762 int frames_done, frames_shown, thissec; // actual frames\r
763 int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r
720ee7f6 764 char *notice = 0;\r
765\r
766 printf("entered emu_Loop()\n");\r
767\r
768 if (gp2x_old_clock != currentConfig.CPUclock) {\r
769 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
770 set_FCLK(currentConfig.CPUclock);\r
771 gp2x_old_clock = currentConfig.CPUclock;\r
772 printf(" done\n");\r
773 }\r
774\r
55a951dd 775 if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r
776 set_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 777 gp2x_old_gamma = currentConfig.gamma;\r
55a951dd 778 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 779 }\r
780\r
59d0f042 781 if ((EmuOpt_old&0x2000) != (currentConfig.EmuOpt&0x2000)) {\r
782 if (currentConfig.EmuOpt&0x2000)\r
783 set_LCD_custom_rate(Pico.m.pal ? LCDR_100 : LCDR_120);\r
784 else unset_LCD_custom_rate();\r
785 }\r
786\r
787 EmuOpt_old = currentConfig.EmuOpt;\r
720ee7f6 788 fpsbuff[0] = 0;\r
789\r
790 // make sure we are in correct mode\r
791 vidResetMode();\r
f013066e 792 scaling_update();\r
e5d315a5 793 Pico.m.dirtyPal = 1;\r
720ee7f6 794 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
8e708f92 795 emu_findKeyBindCombos();\r
720ee7f6 796\r
797 // pal/ntsc might have changed, reset related stuff\r
798 target_fps = Pico.m.pal ? 50 : 60;\r
799 target_frametime = 1000000/target_fps;\r
800 reset_timing = 1;\r
801\r
802 // prepare sound stuff\r
0480e6c9 803 if (currentConfig.EmuOpt & 4)\r
804 {\r
3ef975c9 805 int snd_excess_add;\r
4327ec37 806 if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old ||\r
807 ((PicoOpt&0x200) && crashed_940)) {\r
c4f2f371 808 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
720ee7f6 809 }\r
720ee7f6 810 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
4327ec37 811 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
812 PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r
720ee7f6 813 gp2x_start_sound(PsndRate, 16, (PicoOpt&8)>>3);\r
814 gp2x_sound_volume(currentConfig.volume, currentConfig.volume);\r
815 PicoWriteSound = updateSound;\r
0480e6c9 816 update_volume(0, 0);\r
3ef975c9 817 memset(sndBuffer, 0, sizeof(sndBuffer));\r
818 PsndOut = sndBuffer;\r
720ee7f6 819 PsndRate_old = PsndRate;\r
720ee7f6 820 PicoOpt_old = PicoOpt;\r
821 pal_old = Pico.m.pal;\r
822 } else {\r
0480e6c9 823 PsndOut = NULL;\r
720ee7f6 824 }\r
825\r
5f9922e6 826 // prepare CD buffer\r
dd5fd477 827 if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r
5f9922e6 828\r
59d0f042 829 // calc vsync offset to sync timing code with vsync\r
830 if (currentConfig.EmuOpt&0x2000) {\r
831 gettimeofday(&tval, 0);\r
832 gp2x_video_wait_vsync();\r
833 gettimeofday(&tval, 0);\r
834 vsync_offset = tval.tv_usec;\r
835 while (vsync_offset >= target_frametime)\r
836 vsync_offset -= target_frametime;\r
837 if (!vsync_offset) vsync_offset++;\r
838 printf("vsync_offset: %i\n", vsync_offset);\r
839 } else\r
840 vsync_offset = 0;\r
841\r
450dab6f 842 frames_done = frames_shown = thissec =\r
843 pframes_done = pframes_shown = pthissec = 0;\r
844\r
845 // loop\r
720ee7f6 846 while (engineState == PGS_Running)\r
847 {\r
848 int modes;\r
849\r
850 gettimeofday(&tval, 0);\r
0480e6c9 851 if (reset_timing) {\r
720ee7f6 852 reset_timing = 0;\r
450dab6f 853 pthissec = tval.tv_sec;\r
854 pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r
720ee7f6 855 }\r
856\r
857 // show notice message?\r
0480e6c9 858 if (noticeMsgTime.tv_sec)\r
859 {\r
720ee7f6 860 static int noticeMsgSum;\r
861 if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
862 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
863 clearArea(0);\r
864 notice = 0;\r
865 } else {\r
866 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
867 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
868 notice = noticeMsg;\r
869 }\r
870 }\r
871\r
872 // check for mode changes\r
873 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
0480e6c9 874 if (modes != oldmodes)\r
875 {\r
720ee7f6 876 int scalex = 320;\r
877 osd_fps_x = OSD_FPS_X;\r
878 if (modes & 4) {\r
879 vidCpyM2 = vidCpyM2_40col;\r
880 } else {\r
881 if (PicoOpt & 0x100) {\r
882 vidCpyM2 = vidCpyM2_32col_nobord;\r
883 scalex = 256;\r
884 osd_fps_x = OSD_FPS_X - 64;\r
885 } else {\r
886 vidCpyM2 = vidCpyM2_32col;\r
887 }\r
888 }\r
79cad122 889 if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
890 gp2x_video_RGB_setscaling(8, scalex, 224);\r
891 else gp2x_video_RGB_setscaling(0, scalex, 240);\r
720ee7f6 892 oldmodes = modes;\r
893 clearArea(1);\r
894 }\r
895\r
896 // second changed?\r
0480e6c9 897 if (thissec != tval.tv_sec)\r
898 {\r
720ee7f6 899#ifdef BENCHMARK\r
900 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
0480e6c9 901 if (++bench == 10) {\r
720ee7f6 902 bench = 0;\r
903 bench_fps_s = bench_fps;\r
904 bf[bfp++ & 3] = bench_fps;\r
905 bench_fps = 0;\r
906 }\r
907 bench_fps += frames_shown;\r
908 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
909#else\r
55c7b464 910 if (currentConfig.EmuOpt & 2) {\r
720ee7f6 911 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
55c7b464 912 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
913 }\r
720ee7f6 914#endif\r
450dab6f 915 frames_shown = frames_done = 0;\r
720ee7f6 916 thissec = tval.tv_sec;\r
450dab6f 917 }\r
918#ifdef PFRAMES\r
919 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
920#endif\r
720ee7f6 921\r
450dab6f 922 if (pthissec != tval.tv_sec)\r
923 {\r
0480e6c9 924 if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
450dab6f 925 pframes_done = pframes_shown = 0;\r
720ee7f6 926 } else {\r
927 // it is quite common for this implementation to leave 1 fame unfinished\r
928 // when second changes, but we don't want buffer to starve.\r
450dab6f 929 if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r
720ee7f6 930 updateKeys();\r
450dab6f 931 SkipFrame(1); pframes_done++;\r
720ee7f6 932 }\r
933\r
450dab6f 934 pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r
935 pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r
936 if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r
720ee7f6 937 }\r
450dab6f 938 pthissec = tval.tv_sec;\r
720ee7f6 939 }\r
59d0f042 940\r
450dab6f 941 lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r
942 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
943 {\r
720ee7f6 944 for(i = 0; i < currentConfig.Frameskip; i++) {\r
945 updateKeys();\r
450dab6f 946 SkipFrame(1); pframes_done++; frames_done++;\r
0480e6c9 947 if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r
720ee7f6 948 gettimeofday(&tval, 0);\r
450dab6f 949 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
950 if (tval.tv_usec < lim_time) { // we are too fast\r
951 simpleWait(pthissec, lim_time);\r
720ee7f6 952 }\r
953 }\r
954 lim_time += target_frametime;\r
955 }\r
450dab6f 956 }\r
957 else if (tval.tv_usec > lim_time) // auto frameskip\r
958 {\r
720ee7f6 959 // no time left for this frame - skip\r
f013066e 960 if (tval.tv_usec - lim_time >= 300000) {\r
d032c15a 961 /* something caused a slowdown for us (disk access? cache flush?)\r
962 * try to recover by resetting timing... */\r
963 reset_timing = 1;\r
964 continue;\r
965 }\r
720ee7f6 966 updateKeys();\r
450dab6f 967 SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r
720ee7f6 968 continue;\r
969 }\r
970\r
971 updateKeys();\r
972 PicoFrame();\r
973\r
974 // check time\r
975 gettimeofday(&tval, 0);\r
450dab6f 976 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 977\r
f013066e 978 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r
d032c15a 979 reset_timing = 1;\r
980 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
720ee7f6 981 {\r
59d0f042 982 // sleep or vsync if we are still too fast\r
720ee7f6 983 // usleep sleeps for ~20ms minimum, so it is not a solution here\r
0480e6c9 984 if (!reset_timing && tval.tv_usec < lim_time)\r
720ee7f6 985 {\r
986 // we are too fast\r
59d0f042 987 if (vsync_offset) {\r
988 if (lim_time - tval.tv_usec > target_frametime/2)\r
450dab6f 989 simpleWait(pthissec, lim_time - target_frametime/4);\r
59d0f042 990 gp2x_video_wait_vsync();\r
991 } else {\r
450dab6f 992 simpleWait(pthissec, lim_time);\r
59d0f042 993 }\r
720ee7f6 994 }\r
995 }\r
996\r
997 blit(fpsbuff, notice);\r
998\r
450dab6f 999 pframes_done++; pframes_shown++;\r
1000 frames_done++; frames_shown++;\r
720ee7f6 1001 }\r
1002\r
0480e6c9 1003 change_fast_forward(0);\r
5f9922e6 1004\r
dd5fd477 1005 if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r
5f9922e6 1006\r
720ee7f6 1007 // save SRAM\r
1008 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
6ab2f79c 1009 emu_state_cb("Writing SRAM/BRAM..");\r
720ee7f6 1010 emu_SaveLoadGame(0, 1);\r
1011 SRam.changed = 0;\r
1012 }\r
e5d315a5 1013\r
13059a60 1014 // if in 8bit mode, generate 16bit image for menu background\r
1015 if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r
f013066e 1016 emu_forcedFrame();\r
720ee7f6 1017}\r
1018\r
1019\r
1020void emu_ResetGame(void)\r
1021{\r
8d5cb10d 1022 PicoReset();\r
720ee7f6 1023 reset_timing = 1;\r
1024}\r
1025\r
PicoDrive's frontend in a lib