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1 | #include <sys/stat.h> |
2 | #include <sys/types.h> |
3 | #include <sys/syslimits.h> // PATH_MAX |
4 | |
703e4c7b |
5 | #include <pspthreadman.h> |
6 | |
7 | #include "psp.h" |
8 | #include "menu.h" |
9 | #include "emu.h" |
10 | #include "../common/emu.h" |
11 | #include "../common/lprintf.h" |
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12 | #include "../../Pico/PicoInt.h" |
13 | |
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14 | #ifdef BENCHMARK |
15 | #define OSD_FPS_X 220 |
16 | #else |
17 | #define OSD_FPS_X 260 |
18 | #endif |
19 | |
20 | // vram usage map: |
21 | // 000000-044000 fb0 |
22 | // 044000-088000 fb1 |
23 | // 088000-0ae000 texture0 |
24 | // 0ae000-0d4000 texture1 |
25 | |
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26 | char romFileName[PATH_MAX]; |
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27 | static unsigned char picoD2FB[(8+320)*(8+240+8)]; |
28 | unsigned char *PicoDraw2FB = picoD2FB; // temporary buffer for alt renderer ( (8+320)*(8+240+8) ) |
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29 | int engineState; |
30 | |
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31 | static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos |
32 | static unsigned int noticeMsgTime = 0; |
33 | int reset_timing = 0; // do we need this? |
34 | |
35 | |
36 | static void blit(const char *fps, const char *notice); |
37 | static void clearArea(int full); |
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38 | |
39 | void emu_noticeMsgUpdated(void) |
40 | { |
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41 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
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42 | } |
43 | |
44 | void emu_getMainDir(char *dst, int len) |
45 | { |
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46 | if (len > 0) *dst = 0; |
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47 | } |
48 | |
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49 | static void emu_msg_cb(const char *msg) |
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50 | { |
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51 | void *fb = psp_video_get_active_fb(); |
52 | |
53 | memset32((int *)((char *)fb + 512*264*2), 0, 512*8*2/4); |
54 | emu_textOut16(4, 264, msg); |
55 | noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000; |
56 | |
57 | /* assumption: emu_msg_cb gets called only when something slow is about to happen */ |
58 | reset_timing = 1; |
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59 | } |
60 | |
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61 | void emu_stateCb(const char *str) |
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62 | { |
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63 | clearArea(0); |
64 | blit("", str); |
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65 | } |
66 | |
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67 | static void emu_msg_tray_open(void) |
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68 | { |
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69 | strcpy(noticeMsg, "CD tray opened"); |
70 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
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71 | } |
72 | |
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73 | |
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74 | void emu_Init(void) |
75 | { |
76 | // make dirs for saves, cfgs, etc. |
77 | mkdir("mds", 0777); |
78 | mkdir("srm", 0777); |
79 | mkdir("brm", 0777); |
80 | mkdir("cfg", 0777); |
81 | |
82 | PicoInit(); |
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83 | PicoMessage = emu_msg_cb; |
84 | PicoMCDopenTray = emu_msg_tray_open; |
85 | PicoMCDcloseTray = menu_loop_tray; |
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86 | } |
87 | |
88 | void emu_Deinit(void) |
89 | { |
90 | // save SRAM |
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91 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
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92 | emu_SaveLoadGame(0, 1); |
93 | SRam.changed = 0; |
94 | } |
95 | |
96 | if (!(currentConfig.EmuOpt & 0x20)) { |
97 | FILE *f = fopen(PicoConfigFile, "r+b"); |
98 | if (!f) emu_WriteConfig(0); |
99 | else { |
100 | // if we already have config, reload it, except last ROM |
101 | fseek(f, sizeof(currentConfig.lastRomFile), SEEK_SET); |
102 | fread(¤tConfig.EmuOpt, 1, sizeof(currentConfig) - sizeof(currentConfig.lastRomFile), f); |
103 | fseek(f, 0, SEEK_SET); |
104 | fwrite(¤tConfig, 1, sizeof(currentConfig), f); |
105 | fflush(f); |
106 | fclose(f); |
107 | } |
108 | } |
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109 | |
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110 | PicoExit(); |
111 | } |
112 | |
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113 | void emu_setDefaultConfig(void) |
114 | { |
115 | memset(¤tConfig, 0, sizeof(currentConfig)); |
116 | currentConfig.lastRomFile[0] = 0; |
117 | currentConfig.EmuOpt = 0x1f | 0x680; // | confirm_save, cd_leds, 16bit rend |
118 | currentConfig.PicoOpt = 0x07 | 0xc00; // | cd_pcm, cd_cdda |
119 | currentConfig.PsndRate = 22050; |
120 | currentConfig.PicoRegion = 0; // auto |
121 | currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP |
122 | currentConfig.Frameskip = -1; // auto |
123 | currentConfig.volume = 50; |
124 | currentConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU |
125 | currentConfig.KeyBinds[ 6] = 1<<1; |
126 | currentConfig.KeyBinds[ 7] = 1<<2; |
127 | currentConfig.KeyBinds[ 5] = 1<<3; |
128 | currentConfig.KeyBinds[14] = 1<<4; |
129 | currentConfig.KeyBinds[13] = 1<<5; |
130 | currentConfig.KeyBinds[15] = 1<<6; |
131 | currentConfig.KeyBinds[ 3] = 1<<7; |
132 | currentConfig.KeyBinds[23] = 1<<26; // switch rend |
133 | currentConfig.KeyBinds[ 8] = 1<<27; // save state |
134 | currentConfig.KeyBinds[ 9] = 1<<28; // load state |
135 | currentConfig.PicoCDBuffers = 0; |
136 | currentConfig.scaling = 0; |
137 | } |
138 | |
139 | |
140 | static int EmuScan16(unsigned int num, void *sdata) |
141 | { |
142 | if (!(Pico.video.reg[1]&8)) num += 8; |
143 | DrawLineDest = (unsigned short *) psp_screen + 512*(num+1); |
144 | |
145 | return 0; |
146 | } |
147 | |
148 | static int EmuScan8(unsigned int num, void *sdata) |
149 | { |
150 | // draw like the fast renderer |
151 | // TODO? |
152 | //if (!(Pico.video.reg[1]&8)) num += 8; |
153 | //HighCol = gfx_buffer + 328*(num+1); |
154 | |
155 | return 0; |
156 | } |
157 | |
158 | static void osd_text(int x, const char *text) |
159 | { |
160 | int len = strlen(text) * 8 / 2; |
161 | int *p, h; |
162 | for (h = 0; h < 8; h++) { |
163 | p = (int *) ((unsigned short *) psp_screen+x+512*(264+h)); |
164 | p = (int *) ((int)p & ~3); // align |
165 | memset32(p, 0, len); |
166 | } |
167 | emu_textOut16(x, 264, text); |
168 | } |
169 | |
170 | |
171 | static void cd_leds(void) |
172 | { |
173 | static int old_reg = 0; |
174 | unsigned int col_g, col_r, *p; |
175 | |
176 | if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change |
177 | old_reg = Pico_mcd->s68k_regs[0]; |
178 | |
179 | p = (unsigned int *)((short *)psp_screen + 512*2+4+2); |
180 | col_g = (old_reg & 2) ? 0x06000600 : 0; |
181 | col_r = (old_reg & 1) ? 0xc000c000 : 0; |
182 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
183 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2; |
184 | *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; |
185 | } |
186 | |
187 | |
188 | static short localPal[0x100]; |
189 | |
190 | static void blit(const char *fps, const char *notice) |
191 | { |
192 | int emu_opt = currentConfig.EmuOpt; |
193 | |
194 | #if 0 |
195 | if (PicoOpt&0x10) |
196 | { |
197 | int lines_flags = 224; |
198 | // 8bit fast renderer |
199 | if (Pico.m.dirtyPal) { |
200 | Pico.m.dirtyPal = 0; |
201 | vidConvCpyRGB565(localPal, Pico.cram, 0x40); |
202 | } |
203 | if (!(Pico.video.reg[12]&1)) lines_flags|=0x10000; |
204 | if (currentConfig.EmuOpt&0x4000) |
205 | lines_flags|=0x40000; // (Pico.m.frame_count&1)?0x20000:0x40000; |
206 | vidCpy8to16((unsigned short *)giz_screen+321*8, PicoDraw2FB+328*8, localPal, lines_flags); |
207 | } |
208 | else if (!(emu_opt&0x80)) |
209 | { |
210 | int lines_flags; |
211 | // 8bit accurate renderer |
212 | if (Pico.m.dirtyPal) { |
213 | Pico.m.dirtyPal = 0; |
214 | vidConvCpyRGB565(localPal, Pico.cram, 0x40); |
215 | if (Pico.video.reg[0xC]&8) { // shadow/hilight mode |
216 | //vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40); |
217 | //vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40); // TODO? |
218 | blockcpy(localPal+0xc0, localPal+0x40, 0x40*2); |
219 | localPal[0xc0] = 0x0600; |
220 | localPal[0xd0] = 0xc000; |
221 | localPal[0xe0] = 0x0000; // reserved pixels for OSD |
222 | localPal[0xf0] = 0xffff; |
223 | } |
224 | /* no support |
225 | else if (rendstatus & 0x20) { // mid-frame palette changes |
226 | vidConvCpyRGB565(localPal+0x40, HighPal, 0x40); |
227 | vidConvCpyRGB565(localPal+0x80, HighPal+0x40, 0x40); |
228 | } */ |
229 | } |
230 | lines_flags = (Pico.video.reg[1]&8) ? 240 : 224; |
231 | if (!(Pico.video.reg[12]&1)) lines_flags|=0x10000; |
232 | if (currentConfig.EmuOpt&0x4000) |
233 | lines_flags|=0x40000; // (Pico.m.frame_count&1)?0x20000:0x40000; |
234 | vidCpy8to16((unsigned short *)giz_screen+321*8, PicoDraw2FB+328*8, localPal, lines_flags); |
235 | } |
236 | #endif |
237 | |
238 | if (notice || (emu_opt & 2)) { |
239 | if (notice) osd_text(4, notice); |
240 | if (emu_opt & 2) osd_text(OSD_FPS_X, fps); |
241 | } |
242 | |
243 | if ((emu_opt & 0x400) && (PicoMCD & 1)) |
244 | cd_leds(); |
245 | |
246 | psp_video_flip(0); |
247 | } |
248 | |
249 | // clears whole screen or just the notice area (in all buffers) |
250 | static void clearArea(int full) |
251 | { |
252 | if (full) { |
253 | memset32(psp_screen, 0, 512*272*2/4); |
254 | psp_video_flip(0); |
255 | memset32(psp_screen, 0, 512*272*2/4); |
256 | } else { |
257 | void *fb = psp_video_get_active_fb(); |
258 | memset32((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4); |
259 | memset32((int *)((char *)fb + 512*264*2), 0, 512*8*2/4); |
260 | } |
261 | } |
262 | |
263 | static void vidResetMode(void) |
264 | { |
265 | if (PicoOpt&0x10) { |
266 | } else if (currentConfig.EmuOpt&0x80) { |
267 | PicoDrawSetColorFormat(1); |
268 | PicoScan = EmuScan16; |
269 | } else { |
270 | PicoDrawSetColorFormat(-1); |
271 | PicoScan = EmuScan8; |
272 | } |
273 | if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) { |
274 | // setup pal for 8-bit modes |
275 | localPal[0xc0] = 0x0600; |
276 | localPal[0xd0] = 0xc000; |
277 | localPal[0xe0] = 0x0000; // reserved pixels for OSD |
278 | localPal[0xf0] = 0xffff; |
279 | } |
280 | Pico.m.dirtyPal = 1; |
281 | |
282 | clearArea(1); |
283 | } |
284 | |
285 | static void updateSound(int len) |
286 | { |
287 | if (PicoOpt&8) len<<=1; |
288 | |
289 | // TODO.. |
290 | } |
291 | |
292 | |
293 | static void SkipFrame(void) |
294 | { |
295 | PicoSkipFrame=1; |
296 | PicoFrame(); |
297 | PicoSkipFrame=0; |
298 | } |
299 | |
300 | void emu_forcedFrame(void) |
301 | { |
302 | int po_old = PicoOpt; |
303 | int eo_old = currentConfig.EmuOpt; |
304 | |
305 | PicoOpt &= ~0x0010; |
306 | PicoOpt |= 0x4080; // soft_scale | acc_sprites |
307 | currentConfig.EmuOpt |= 0x80; |
308 | |
309 | PicoDrawSetColorFormat(1); |
310 | PicoScan = EmuScan16; |
311 | PicoScan((unsigned) -1, NULL); |
312 | Pico.m.dirtyPal = 1; |
313 | PicoFrameDrawOnly(); |
314 | |
315 | PicoOpt = po_old; |
316 | currentConfig.EmuOpt = eo_old; |
317 | } |
318 | |
319 | |
320 | static void RunEvents(unsigned int which) |
321 | { |
322 | if (which & 0x1800) // save or load (but not both) |
323 | { |
324 | int do_it = 1; |
325 | |
326 | if ( emu_checkSaveFile(state_slot) && |
327 | (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load |
328 | (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save |
329 | { |
330 | int keys; |
331 | blit("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)"); |
332 | while( !((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) |
333 | psp_msleep(50); |
334 | if (keys & BTN_CIRCLE) do_it = 0; |
335 | while( ((keys = psp_pad_read(1)) & (BTN_X|BTN_CIRCLE)) ) // wait for release |
336 | psp_msleep(50); |
337 | clearArea(0); |
338 | } |
339 | |
340 | if (do_it) |
341 | { |
342 | osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME"); |
343 | PicoStateProgressCB = emu_stateCb; |
344 | emu_SaveLoadGame((which & 0x1000) >> 12, 0); |
345 | PicoStateProgressCB = NULL; |
346 | psp_msleep(0); |
347 | } |
348 | |
349 | reset_timing = 1; |
350 | } |
351 | if (which & 0x0400) // switch renderer |
352 | { |
353 | if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; } |
354 | else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; } |
355 | |
356 | vidResetMode(); |
357 | |
358 | if (PicoOpt&0x10) { |
359 | strcpy(noticeMsg, " 8bit fast renderer"); |
360 | } else if (currentConfig.EmuOpt&0x80) { |
361 | strcpy(noticeMsg, "16bit accurate renderer"); |
362 | } else { |
363 | strcpy(noticeMsg, " 8bit accurate renderer"); |
364 | } |
365 | |
366 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
367 | } |
368 | if (which & 0x0300) |
369 | { |
370 | if(which&0x0200) { |
371 | state_slot -= 1; |
372 | if(state_slot < 0) state_slot = 9; |
373 | } else { |
374 | state_slot += 1; |
375 | if(state_slot > 9) state_slot = 0; |
376 | } |
377 | sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE"); |
378 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
379 | } |
380 | } |
381 | |
382 | static void updateKeys(void) |
383 | { |
384 | unsigned int keys, allActions[2] = { 0, 0 }, events; |
385 | static unsigned int prevEvents = 0; |
386 | int i; |
387 | |
388 | keys = psp_pad_read(0); |
389 | if (keys & BTN_SELECT) |
390 | engineState = PGS_Menu; |
391 | |
392 | keys &= CONFIGURABLE_KEYS; |
393 | |
394 | for (i = 0; i < 32; i++) |
395 | { |
396 | if (keys & (1 << i)) |
397 | { |
398 | int pl, acts = currentConfig.KeyBinds[i]; |
399 | if (!acts) continue; |
400 | pl = (acts >> 16) & 1; |
401 | if (combo_keys & (1 << i)) |
402 | { |
403 | int u = i+1, acts_c = acts & combo_acts; |
404 | // let's try to find the other one |
405 | if (acts_c) |
406 | for (; u < 32; u++) |
407 | if ( (currentConfig.KeyBinds[u] & acts_c) && (keys & (1 << u)) ) { |
408 | allActions[pl] |= acts_c; |
409 | keys &= ~((1 << i) | (1 << u)); |
410 | break; |
411 | } |
412 | // add non-combo actions if combo ones were not found |
413 | if (!acts_c || u == 32) |
414 | allActions[pl] |= acts & ~combo_acts; |
415 | } else { |
416 | allActions[pl] |= acts; |
417 | } |
418 | } |
419 | } |
420 | |
421 | PicoPad[0] = (unsigned short) allActions[0]; |
422 | PicoPad[1] = (unsigned short) allActions[1]; |
423 | |
424 | events = (allActions[0] | allActions[1]) >> 16; |
425 | |
426 | // volume is treated in special way and triggered every frame |
427 | if ((events & 0x6000) && PsndOut != NULL) |
428 | { |
429 | int vol = currentConfig.volume; |
430 | if (events & 0x2000) { |
431 | if (vol < 100) vol++; |
432 | } else { |
433 | if (vol > 0) vol--; |
434 | } |
435 | // FrameworkAudio_SetVolume(vol, vol); // TODO |
436 | sprintf(noticeMsg, "VOL: %02i ", vol); |
437 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
438 | currentConfig.volume = vol; |
439 | } |
440 | |
441 | events &= ~prevEvents; |
442 | if (events) RunEvents(events); |
443 | if (movie_data) emu_updateMovie(); |
444 | |
445 | prevEvents = (allActions[0] | allActions[1]) >> 16; |
446 | } |
447 | |
448 | static void find_combos(void) |
449 | { |
450 | int act, u; |
451 | |
452 | // find out which keys and actions are combos |
453 | combo_keys = combo_acts = 0; |
454 | for (act = 0; act < 32; act++) |
455 | { |
456 | int keyc = 0; |
457 | if (act == 16 || act == 17) continue; // player2 flag |
458 | for (u = 0; u < 32; u++) |
459 | { |
460 | if (currentConfig.KeyBinds[u] & (1 << act)) keyc++; |
461 | } |
462 | if (keyc > 1) |
463 | { |
464 | // loop again and mark those keys and actions as combo |
465 | for (u = 0; u < 32; u++) |
466 | { |
467 | if (currentConfig.KeyBinds[u] & (1 << act)) { |
468 | combo_keys |= 1 << u; |
469 | combo_acts |= 1 << act; |
470 | } |
471 | } |
472 | } |
473 | } |
474 | } |
475 | |
476 | |
477 | static void simpleWait(unsigned int until) |
478 | { |
479 | unsigned int tval; |
480 | int diff; |
481 | |
482 | tval = sceKernelGetSystemTimeLow(); |
483 | diff = (int)until - (int)tval; |
484 | if (diff >= 512 && diff < 100*1024) |
485 | sceKernelDelayThread(diff); |
486 | } |
487 | |
488 | void emu_Loop(void) |
489 | { |
490 | //static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0; |
491 | char fpsbuff[24]; // fps count c string |
492 | unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing |
493 | int frames_done = 0, frames_shown = 0, oldmodes = 0; |
494 | int target_fps, target_frametime, lim_time, tval_diff, i; |
495 | char *notice = NULL; |
496 | |
497 | lprintf("entered emu_Loop()\n"); |
498 | |
499 | fpsbuff[0] = 0; |
500 | |
501 | // make sure we are in correct mode |
502 | vidResetMode(); |
503 | Pico.m.dirtyPal = 1; |
504 | oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc; |
505 | find_combos(); |
506 | |
507 | // pal/ntsc might have changed, reset related stuff |
508 | target_fps = Pico.m.pal ? 50 : 60; |
509 | target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1; |
510 | reset_timing = 1; |
511 | |
512 | // prepare CD buffer |
513 | if (PicoMCD & 1) PicoCDBufferInit(); |
514 | |
515 | // prepare sound stuff |
516 | PsndOut = NULL; |
517 | #if 0 // TODO |
518 | if (currentConfig.EmuOpt & 4) |
519 | { |
520 | int ret, snd_excess_add, stereo; |
521 | if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) { |
522 | sound_rerate(Pico.m.frame_count ? 1 : 0); |
523 | } |
524 | stereo=(PicoOpt&8)>>3; |
525 | snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps; |
526 | snd_cbuf_samples = (PsndRate<<stereo) * 16 / target_fps; |
527 | lprintf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n", |
528 | PsndRate, PsndLen, snd_excess_add, stereo, Pico.m.pal); |
529 | ret = FrameworkAudio_Init(PsndRate, snd_cbuf_samples, stereo); |
530 | if (ret != 0) { |
531 | lprintf("FrameworkAudio_Init() failed: %i\n", ret); |
532 | sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret); |
533 | noticeMsgTime = sceKernelGetSystemTimeLow(); |
534 | currentConfig.EmuOpt &= ~4; |
535 | } else { |
536 | FrameworkAudio_SetVolume(currentConfig.volume, currentConfig.volume); |
537 | PicoWriteSound = updateSound; |
538 | snd_cbuff = FrameworkAudio_56448Buffer(); |
539 | PsndOut = snd_cbuff + snd_cbuf_samples / 2; // start writing at the middle |
540 | snd_all_samples = 0; |
541 | PsndRate_old = PsndRate; |
542 | PicoOpt_old = PicoOpt; |
543 | pal_old = Pico.m.pal; |
544 | } |
545 | } |
546 | #endif |
547 | |
548 | // loop? |
549 | while (engineState == PGS_Running) |
550 | { |
551 | int modes; |
552 | |
553 | tval = sceKernelGetSystemTimeLow(); |
554 | if (reset_timing || tval < tval_prev) { |
555 | //stdbg("timing reset"); |
556 | reset_timing = 0; |
557 | tval_thissec = tval; |
558 | frames_shown = frames_done = 0; |
559 | } |
560 | |
561 | // show notice message? |
562 | if (noticeMsgTime) { |
563 | static int noticeMsgSum; |
564 | if (tval - noticeMsgTime > 2000000) { // > 2.0 sec |
565 | noticeMsgTime = 0; |
566 | clearArea(0); |
567 | notice = 0; |
568 | } else { |
569 | int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2]; |
570 | if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; } |
571 | notice = noticeMsg; |
572 | } |
573 | } |
574 | |
575 | // check for mode changes |
576 | modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8); |
577 | if (modes != oldmodes) { |
578 | oldmodes = modes; |
579 | clearArea(1); |
580 | } |
581 | |
582 | // second passed? |
583 | if (tval - tval_thissec >= 1000000) |
584 | { |
585 | #ifdef BENCHMARK |
586 | static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4]; |
587 | if(++bench == 10) { |
588 | bench = 0; |
589 | bench_fps_s = bench_fps; |
590 | bf[bfp++ & 3] = bench_fps; |
591 | bench_fps = 0; |
592 | } |
593 | bench_fps += frames_shown; |
594 | sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2); |
595 | #else |
596 | if(currentConfig.EmuOpt & 2) |
597 | sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done); |
598 | #endif |
599 | tval_thissec += 1000000; |
600 | |
601 | if (currentConfig.Frameskip < 0) { |
602 | frames_done -= target_fps; if (frames_done < 0) frames_done = 0; |
603 | frames_shown -= target_fps; if (frames_shown < 0) frames_shown = 0; |
604 | if (frames_shown > frames_done) frames_shown = frames_done; |
605 | } else { |
606 | frames_done = frames_shown = 0; |
607 | } |
608 | } |
609 | #ifdef PFRAMES |
610 | sprintf(fpsbuff, "%i", Pico.m.frame_count); |
611 | #endif |
612 | |
613 | tval_prev = tval; |
614 | lim_time = (frames_done+1) * target_frametime; |
615 | if (currentConfig.Frameskip >= 0) // frameskip enabled |
616 | { |
617 | for (i = 0; i < currentConfig.Frameskip; i++) { |
618 | updateKeys(); |
619 | SkipFrame(); frames_done++; |
620 | if (PsndOut) { // do framelimitting if sound is enabled |
621 | int tval_diff; |
622 | tval = sceKernelGetSystemTimeLow(); |
623 | tval_diff = (int)(tval - tval_thissec) << 8; |
624 | if (tval_diff < lim_time) // we are too fast |
625 | simpleWait(tval + ((lim_time - tval_diff)>>8)); |
626 | } |
627 | lim_time += target_frametime; |
628 | } |
629 | } |
630 | else // auto frameskip |
631 | { |
632 | int tval_diff; |
633 | tval = sceKernelGetSystemTimeLow(); |
634 | tval_diff = (int)(tval - tval_thissec) << 8; |
635 | if (tval_diff > lim_time) |
636 | { |
637 | // no time left for this frame - skip |
638 | if (tval_diff - lim_time >= (300000<<8)) { |
639 | /* something caused a slowdown for us (disk access? cache flush?) |
640 | * try to recover by resetting timing... */ |
641 | reset_timing = 1; |
642 | continue; |
643 | } |
644 | updateKeys(); |
645 | SkipFrame(); frames_done++; |
646 | continue; |
647 | } |
648 | } |
649 | |
650 | updateKeys(); |
651 | |
652 | if (!(PicoOpt&0x10)) |
653 | PicoScan((unsigned) -1, NULL); |
654 | |
655 | PicoFrame(); |
656 | |
657 | blit(fpsbuff, notice); |
658 | |
659 | // check time |
660 | tval = sceKernelGetSystemTimeLow(); |
661 | tval_diff = (int)(tval - tval_thissec) << 8; |
662 | |
663 | if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) // slowdown detection |
664 | reset_timing = 1; |
665 | else if (PsndOut != NULL || currentConfig.Frameskip < 0) |
666 | { |
667 | // sleep if we are still too fast |
668 | if (tval_diff < lim_time) |
669 | { |
670 | // we are too fast |
671 | simpleWait(tval + ((lim_time - tval_diff) >> 8)); |
672 | } |
673 | } |
674 | |
675 | frames_done++; frames_shown++; |
676 | } |
677 | |
678 | |
679 | if (PicoMCD & 1) PicoCDBufferFree(); |
680 | /* |
681 | if (PsndOut != NULL) { |
682 | PsndOut = snd_cbuff = NULL; |
683 | FrameworkAudio_Close(); |
684 | } |
685 | */ |
686 | // save SRAM |
687 | if ((currentConfig.EmuOpt & 1) && SRam.changed) { |
688 | emu_stateCb("Writing SRAM/BRAM.."); |
689 | emu_SaveLoadGame(0, 1); |
690 | SRam.changed = 0; |
691 | } |
692 | } |
693 | |
694 | |
2951214e |
695 | void emu_ResetGame(void) |
696 | { |
697 | PicoReset(0); |
703e4c7b |
698 | reset_timing = 1; |
2951214e |
699 | } |
700 | |