notaz.gp2x.de / libpicofe.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
moved writelrom to use global path
[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
720ee7f6 19#include "menu.h"\r
b3972d82 20#include "../linux/usbjoy.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
b3972d82 25#include "../linux/sndout_oss.h"\r
720ee7f6 26#include "cpuctrl.h"\r
27\r
f11bad75 28#include <pico/pico_int.h>\r
29#include <pico/patch.h>\r
30#include <pico/sound/mix.h>\r
70d2ecc5 31#include <zlib/zlib.h>\r
720ee7f6 32\r
4327ec37 33//#define PFRAMES\r
720ee7f6 34\r
35#ifdef BENCHMARK\r
36#define OSD_FPS_X 220\r
37#else\r
38#define OSD_FPS_X 260\r
39#endif\r
40\r
720ee7f6 41\r
42int engineState;\r
43int select_exits = 0;\r
720ee7f6 44\r
45char romFileName[PATH_MAX];\r
720ee7f6 46\r
47extern int crashed_940;\r
48\r
6245d5a0 49static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
720ee7f6 50static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
8f1b51ef 51static int osd_fps_x;\r
720ee7f6 52static int gp2x_old_gamma = 100;\r
c7a4ff64 53unsigned char *PicoDraw2FB = NULL; // temporary buffer for alt renderer\r
8f1b51ef 54int reset_timing = 0;\r
720ee7f6 55\r
2b395ee0 56#define PICO_PEN_ADJUST_X 4\r
57#define PICO_PEN_ADJUST_Y 2\r
8a091e48 58static int pico_pen_x = 320/2, pico_pen_y = 240/2;\r
e1cd546f 59\r
f013066e 60static void emu_msg_cb(const char *msg);\r
61static void emu_msg_tray_open(void);\r
720ee7f6 62\r
720ee7f6 63\r
f013066e 64void emu_noticeMsgUpdated(void)\r
720ee7f6 65{\r
f013066e 66 gettimeofday(&noticeMsgTime, 0);\r
720ee7f6 67}\r
68\r
36f6fd5a 69int emu_getMainDir(char *dst, int len)\r
25fced50 70{\r
f013066e 71 extern char **g_argv;\r
72 int j;\r
25fced50 73\r
f013066e 74 strncpy(dst, g_argv[0], len);\r
75 len -= 32; // reserve\r
76 if (len < 0) len = 0;\r
77 dst[len] = 0;\r
78 for (j = strlen(dst); j > 0; j--)\r
79 if (dst[j] == '/') { dst[j+1] = 0; break; }\r
36f6fd5a 80\r
81 return j + 1;\r
25fced50 82}\r
83\r
720ee7f6 84void emu_Init(void)\r
85{\r
86 // make temp buffer for alt renderer\r
c7a4ff64 87 PicoDraw2FB = malloc((8+320)*(8+240+8));\r
88 if (!PicoDraw2FB)\r
720ee7f6 89 {\r
c7a4ff64 90 printf("PicoDraw2FB == 0\n");\r
720ee7f6 91 }\r
92\r
4ffd2858 93 // make dirs for saves, cfgs, etc.\r
94 mkdir("mds", 0777);\r
95 mkdir("srm", 0777);\r
96 mkdir("brm", 0777);\r
97 mkdir("cfg", 0777);\r
98\r
720ee7f6 99 PicoInit();\r
dfa4c846 100 PicoMessage = emu_msg_cb;\r
5e2e14f2 101 PicoMCDopenTray = emu_msg_tray_open;\r
102 PicoMCDcloseTray = menu_loop_tray;\r
720ee7f6 103}\r
104\r
105\r
f013066e 106static void scaling_update(void)\r
79cad122 107{\r
108 PicoOpt &= ~0x4100;\r
109 switch (currentConfig.scaling) {\r
110 default: break; // off\r
111 case 1: // hw hor\r
112 case 2: PicoOpt |= 0x0100; break; // hw hor+vert\r
113 case 3: PicoOpt |= 0x4000; break; // sw hor\r
114 }\r
115}\r
116\r
117\r
720ee7f6 118void emu_Deinit(void)\r
119{\r
120 // save SRAM\r
121 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
122 emu_SaveLoadGame(0, 1);\r
123 SRam.changed = 0;\r
124 }\r
125\r
7f3b59cf 126 if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG))\r
127 emu_writelrom();\r
79cad122 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
100ae778 141 defaultConfig.EmuOpt = 0x9d | 0x00700; // | <- ram_tmng, confirm_save, cd_leds\r
84e21f25 142 defaultConfig.s_PicoOpt = 0x0f | POPT_EXT_FM|POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES;\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
6589c840 165 defaultConfig.turbo_rate = 15;\r
0ae25549 166}\r
167\r
0805b5b4 168void osd_text(int x, int y, const char *text)\r
720ee7f6 169{\r
170 int len = strlen(text)*8;\r
171\r
172 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
daf91588 173 int *p, i, h;\r
720ee7f6 174 x &= ~3; // align x\r
175 len = (len+3) >> 2;\r
176 for (h = 0; h < 8; h++) {\r
177 p = (int *) ((unsigned char *) gp2x_screen+x+320*(y+h));\r
daf91588 178 for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
720ee7f6 179 }\r
f013066e 180 emu_textOut8(x, y, text);\r
720ee7f6 181 } else {\r
182 int *p, i, h;\r
183 x &= ~1; // align x\r
184 len = (len+1) >> 1;\r
185 for (h = 0; h < 8; h++) {\r
186 p = (int *) ((unsigned short *) gp2x_screen+x+320*(y+h));\r
187 for (i = len; i; i--, p++) *p = (*p>>2)&0x39e7;\r
188 }\r
f013066e 189 emu_textOut16(x, y, text);\r
720ee7f6 190 }\r
191}\r
192\r
2b395ee0 193static void draw_cd_leds(void)\r
daf91588 194{\r
8dfb9fd5 195// static\r
196 int old_reg;\r
8ede36b9 197// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r
daf91588 198 old_reg = Pico_mcd->s68k_regs[0];\r
199\r
200 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
201 // 8-bit modes\r
202 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
203 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
49fe50f0 204 *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) =\r
205 *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) =\r
206 *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g;\r
207 *(unsigned int *)((char *)gp2x_screen + 320*2+12) =\r
208 *(unsigned int *)((char *)gp2x_screen + 320*3+12) =\r
209 *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r;\r
daf91588 210 } else {\r
211 // 16-bit modes\r
49fe50f0 212 unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4);\r
daf91588 213 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
214 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
49fe50f0 215 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
216 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
8ede36b9 217 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
daf91588 218 }\r
219}\r
220\r
2b395ee0 221static void draw_pico_ptr(void)\r
222{\r
223 unsigned short *p = (unsigned short *)gp2x_screen;\r
224\r
225 // only if pen enabled and for 16bit modes\r
226 if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;\r
227\r
228 if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))\r
229 p += 32;\r
230\r
231 p += 320 * (pico_pen_y + PICO_PEN_ADJUST_Y);\r
232 p += pico_pen_x + PICO_PEN_ADJUST_X;\r
233 p[0] ^= 0xffff;\r
234 p[319] ^= 0xffff;\r
235 p[320] ^= 0xffff;\r
236 p[321] ^= 0xffff;\r
237 p[640] ^= 0xffff;\r
238}\r
239\r
dd5fd477 240static int EmuScanBegin16(unsigned int num)\r
720ee7f6 241{\r
242 if (!(Pico.video.reg[1]&8)) num += 8;\r
dd5fd477 243 DrawLineDest = (unsigned short *) gp2x_screen + 320 * num;\r
720ee7f6 244\r
245 return 0;\r
246}\r
247\r
dd5fd477 248static int EmuScanBegin8(unsigned int num)\r
720ee7f6 249{\r
250 if (!(Pico.video.reg[1]&8)) num += 8;\r
dd5fd477 251 DrawLineDest = (unsigned char *) gp2x_screen + 320 * num;\r
720ee7f6 252\r
253 return 0;\r
254}\r
255\r
e5d315a5 256int localPal[0x100];\r
720ee7f6 257static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
258\r
0805b5b4 259static void blit(const char *fps, const char *notice)\r
720ee7f6 260{\r
daf91588 261 int emu_opt = currentConfig.EmuOpt;\r
262\r
b3818d1e 263 if (PicoOpt&0x10)\r
264 {\r
720ee7f6 265 // 8bit fast renderer\r
266 if (Pico.m.dirtyPal) {\r
267 Pico.m.dirtyPal = 0;\r
268 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
269 // feed new palette to our device\r
270 gp2x_video_setpalette(localPal, 0x40);\r
271 }\r
b3818d1e 272 // a hack for VR\r
273 if (PicoRead16Hook == PicoSVPRead16)\r
274 memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r
275 // do actual copy\r
c7a4ff64 276 vidCpyM2((unsigned char *)gp2x_screen+320*8, PicoDraw2FB+328*8);\r
b3818d1e 277 }\r
278 else if (!(emu_opt&0x80))\r
279 {\r
720ee7f6 280 // 8bit accurate renderer\r
dd5fd477 281 if (Pico.m.dirtyPal)\r
282 {\r
61f66fe0 283 int pallen = 0xc0;\r
720ee7f6 284 Pico.m.dirtyPal = 0;\r
b13a934c 285 if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r
286 {\r
720ee7f6 287 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
288 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
289 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
67dfdf5f 290 memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r
b13a934c 291 pallen = 0x100;\r
292 }\r
b13a934c 293 else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
720ee7f6 294 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
295 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
296 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
b13a934c 297 }\r
298 else {\r
720ee7f6 299 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
61f66fe0 300 memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r
720ee7f6 301 }\r
b13a934c 302 if (pallen > 0xc0) {\r
303 localPal[0xc0] = 0x0000c000;\r
304 localPal[0xd0] = 0x00c00000;\r
305 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
306 localPal[0xf0] = 0x00ffffff;\r
307 }\r
308 gp2x_video_setpalette(localPal, pallen);\r
720ee7f6 309 }\r
310 }\r
311\r
79cad122 312 if (notice || (emu_opt & 2)) {\r
313 int h = 232;\r
314 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 8;\r
315 if (notice) osd_text(4, h, notice);\r
316 if (emu_opt & 2)\r
317 osd_text(osd_fps_x, h, fps);\r
318 }\r
dd5fd477 319 if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r
2b395ee0 320 draw_cd_leds();\r
321 if (PicoAHW & PAHW_PICO)\r
322 draw_pico_ptr();\r
720ee7f6 323\r
324 //gp2x_video_wait_vsync();\r
325 gp2x_video_flip();\r
326\r
327 if (!(PicoOpt&0x10)) {\r
328 if (!(Pico.video.reg[1]&8)) {\r
329 if (currentConfig.EmuOpt&0x80) {\r
330 DrawLineDest = (unsigned short *) gp2x_screen + 320*8;\r
331 } else {\r
332 DrawLineDest = (unsigned char *) gp2x_screen + 320*8;\r
333 }\r
334 } else {\r
335 DrawLineDest = gp2x_screen;\r
336 }\r
337 }\r
338}\r
339\r
340\r
341// clears whole screen or just the notice area (in all buffers)\r
342static void clearArea(int full)\r
343{\r
daf91588 344 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
345 // 8-bit renderers\r
346 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
347 else gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
348 } else {\r
720ee7f6 349 // 16bit accurate renderer\r
350 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
351 else gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
720ee7f6 352 }\r
353}\r
354\r
355\r
356static void vidResetMode(void)\r
357{\r
358 if (PicoOpt&0x10) {\r
720ee7f6 359 gp2x_video_changemode(8);\r
720ee7f6 360 } else if (currentConfig.EmuOpt&0x80) {\r
13059a60 361 gp2x_video_changemode(16);\r
720ee7f6 362 PicoDrawSetColorFormat(1);\r
dd5fd477 363 PicoScanBegin = EmuScanBegin16;\r
720ee7f6 364 } else {\r
daf91588 365 gp2x_video_changemode(8);\r
366 PicoDrawSetColorFormat(2);\r
dd5fd477 367 PicoScanBegin = EmuScanBegin8;\r
daf91588 368 }\r
369 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
370 // setup pal for 8-bit modes\r
371 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
372 localPal[0xd0] = 0x00c00000;\r
720ee7f6 373 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
374 localPal[0xf0] = 0x00ffffff;\r
720ee7f6 375 gp2x_video_setpalette(localPal, 0x100);\r
376 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
377 gp2x_video_flip();\r
720ee7f6 378 }\r
379 Pico.m.dirtyPal = 1;\r
380 // reset scaling\r
79cad122 381 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
382 gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
383 else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
720ee7f6 384}\r
385\r
386\r
dfa4c846 387static void emu_msg_cb(const char *msg)\r
388{\r
389 if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
390 // 8-bit renderers\r
391 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
392 osd_text(4, 232, msg);\r
393 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232, 320*232, 320*8);\r
394 } else {\r
395 // 16bit accurate renderer\r
396 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
397 osd_text(4, 232, msg);\r
398 gp2x_memcpy_all_buffers((char *)gp2x_screen+320*232*2, 320*232*2, 320*8*2);\r
399 }\r
400 gettimeofday(&noticeMsgTime, 0);\r
401 noticeMsgTime.tv_sec -= 2;\r
e5589947 402\r
403 /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
404 reset_timing = 1;\r
dfa4c846 405}\r
406\r
1078e544 407static void emu_state_cb(const char *str)\r
408{\r
409 clearArea(0);\r
410 blit("", str);\r
411}\r
412\r
5e2e14f2 413static void emu_msg_tray_open(void)\r
414{\r
415 strcpy(noticeMsg, "CD tray opened");\r
416 gettimeofday(&noticeMsgTime, 0);\r
417}\r
418\r
e1cd546f 419static void RunEventsPico(unsigned int events, unsigned int gp2x_keys)\r
420{\r
6589c840 421 int ret, px, py, lim_x;\r
3f2aaff2 422 static int pdown_frames = 0;\r
423\r
8a091e48 424 emu_RunEventsPico(events);\r
425\r
6589c840 426 if (pico_inp_mode == 0) return;\r
3f2aaff2 427\r
428 // for F200\r
429 ret = gp2x_touchpad_read(&px, &py);\r
6589c840 430 if (ret >= 0)\r
431 {\r
432 if (ret > 35000)\r
433 {\r
3f2aaff2 434 if (pdown_frames++ > 5)\r
435 PicoPad[0] |= 0x20;\r
436\r
437 pico_pen_x = px;\r
438 pico_pen_y = py;\r
439 if (!(Pico.video.reg[12]&1)) {\r
440 pico_pen_x -= 32;\r
441 if (pico_pen_x < 0) pico_pen_x = 0;\r
442 if (pico_pen_x > 248) pico_pen_x = 248;\r
443 }\r
444 if (pico_pen_y > 224) pico_pen_y = 224;\r
445 }\r
446 else\r
6589c840 447 pdown_frames = 0;\r
3f2aaff2 448\r
449 //if (ret == 0)\r
450 // PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
451 }\r
6589c840 452\r
453 PicoPad[0] &= ~0x0f; // release UDLR\r
454 if (gp2x_keys & GP2X_UP) pico_pen_y--;\r
455 if (gp2x_keys & GP2X_DOWN) pico_pen_y++;\r
456 if (gp2x_keys & GP2X_LEFT) pico_pen_x--;\r
457 if (gp2x_keys & GP2X_RIGHT) pico_pen_x++;\r
458\r
459 lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
460 if (pico_pen_y < 8) pico_pen_y = 8;\r
461 if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y;\r
462 if (pico_pen_x < 0) pico_pen_x = 0;\r
463 if (pico_pen_x > lim_x-PICO_PEN_ADJUST_X) pico_pen_x = lim_x-PICO_PEN_ADJUST_X;\r
464\r
465 PicoPicohw.pen_pos[0] = pico_pen_x;\r
466 if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;\r
467 PicoPicohw.pen_pos[0] += 0x3c;\r
468 PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
e1cd546f 469}\r
470\r
0480e6c9 471static void update_volume(int has_changed, int is_up)\r
472{\r
473 static int prev_frame = 0, wait_frames = 0;\r
474 int vol = currentConfig.volume;\r
475\r
476 if (has_changed)\r
477 {\r
478 if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
479 wait_frames++;\r
480 else {\r
481 if (is_up) {\r
482 if (vol < 99) vol++;\r
483 } else {\r
484 if (vol > 0) vol--;\r
485 }\r
486 wait_frames = 0;\r
b3972d82 487 sndout_oss_setvol(vol, vol);\r
0480e6c9 488 currentConfig.volume = vol;\r
489 }\r
490 sprintf(noticeMsg, "VOL: %02i", vol);\r
491 gettimeofday(&noticeMsgTime, 0);\r
492 prev_frame = Pico.m.frame_count;\r
493 }\r
494\r
495 // set the right mixer func\r
496 if (!(PicoOpt&8)) return; // just use defaults for mono\r
497 if (vol >= 5)\r
498 PsndMix_32_to_16l = mix_32_to_16l_stereo;\r
499 else {\r
500 mix_32_to_16l_level = 5 - vol;\r
501 PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r
502 }\r
503}\r
504\r
720ee7f6 505static void RunEvents(unsigned int which)\r
506{\r
0480e6c9 507 if (which & 0x1800) // save or load (but not both)\r
508 {\r
720ee7f6 509 int do_it = 1;\r
f013066e 510 if ( emu_checkSaveFile(state_slot) &&\r
46ede6a6 511 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r
512 (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save\r
720ee7f6 513 unsigned long keys;\r
46ede6a6 514 blit("", (which & 0x1000) ? "LOAD STATE? (Y=yes, X=no)" : "OVERWRITE SAVE? (Y=yes, X=no)");\r
30d5518a 515 while ( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r
720ee7f6 516 usleep(50*1024);\r
517 if (keys & GP2X_X) do_it = 0;\r
30d5518a 518 while ( gp2x_joystick_read(1) & (GP2X_X|GP2X_Y) ) // wait for release\r
519 usleep(50*1024);\r
720ee7f6 520 clearArea(0);\r
521 }\r
522 if (do_it) {\r
0805b5b4 523 osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
1078e544 524 PicoStateProgressCB = emu_state_cb;\r
525 gp2x_memcpy_all_buffers(gp2x_screen, 0, 320*240*2);\r
0805b5b4 526 emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
1078e544 527 PicoStateProgressCB = NULL;\r
720ee7f6 528 }\r
529\r
530 reset_timing = 1;\r
531 }\r
0480e6c9 532 if (which & 0x0400) // switch renderer\r
533 {\r
720ee7f6 534 if ( PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
535 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
536 else currentConfig.EmuOpt &= ~0x80;\r
537\r
538 vidResetMode();\r
539\r
540 if (PicoOpt&0x10) {\r
541 strcpy(noticeMsg, " 8bit fast renderer");\r
542 } else if (currentConfig.EmuOpt&0x80) {\r
543 strcpy(noticeMsg, "16bit accurate renderer");\r
544 } else {\r
545 strcpy(noticeMsg, " 8bit accurate renderer");\r
546 }\r
547\r
548 gettimeofday(&noticeMsgTime, 0);\r
549 }\r
0480e6c9 550 if (which & 0x0300)\r
551 {\r
720ee7f6 552 if(which&0x0200) {\r
553 state_slot -= 1;\r
554 if(state_slot < 0) state_slot = 9;\r
555 } else {\r
556 state_slot += 1;\r
557 if(state_slot > 9) state_slot = 0;\r
558 }\r
f013066e 559 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r
720ee7f6 560 gettimeofday(&noticeMsgTime, 0);\r
561 }\r
0480e6c9 562 if (which & 0x0080) {\r
720ee7f6 563 engineState = PGS_Menu;\r
564 }\r
565}\r
566\r
720ee7f6 567static void updateKeys(void)\r
568{\r
e1cd546f 569 unsigned int keys, keys2, allActions[2] = { 0, 0 }, events;\r
570 static unsigned int prevEvents = 0;\r
720ee7f6 571 int joy, i;\r
572\r
573 keys = gp2x_joystick_read(0);\r
574 if (keys & GP2X_SELECT) {\r
575 engineState = select_exits ? PGS_Quit : PGS_Menu;\r
576 // wait until select is released, so menu would not resume game\r
577 while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r
578 }\r
579\r
580 keys &= CONFIGURABLE_KEYS;\r
e1cd546f 581 keys2 = keys;\r
720ee7f6 582\r
583 for (i = 0; i < 32; i++)\r
584 {\r
e1cd546f 585 if (keys2 & (1 << i))\r
8e708f92 586 {\r
720ee7f6 587 int pl, acts = currentConfig.KeyBinds[i];\r
588 if (!acts) continue;\r
589 pl = (acts >> 16) & 1;\r
8e708f92 590 if (kb_combo_keys & (1 << i))\r
591 {\r
450dab6f 592 int u = i+1, acts_c = acts & kb_combo_acts;\r
720ee7f6 593 // let's try to find the other one\r
8e708f92 594 if (acts_c) {\r
450dab6f 595 for (; u < 32; u++)\r
e1cd546f 596 if ( (keys2 & (1 << u)) && (currentConfig.KeyBinds[u] & acts_c) ) {\r
8e708f92 597 allActions[pl] |= acts_c & currentConfig.KeyBinds[u];\r
e1cd546f 598 keys2 &= ~((1 << i) | (1 << u));\r
720ee7f6 599 break;\r
600 }\r
8e708f92 601 }\r
720ee7f6 602 // add non-combo actions if combo ones were not found\r
603 if (!acts_c || u == 32)\r
8e708f92 604 allActions[pl] |= acts & ~kb_combo_acts;\r
720ee7f6 605 } else {\r
606 allActions[pl] |= acts;\r
607 }\r
608 }\r
609 }\r
610\r
611 // add joy inputs\r
612 if (num_of_joys > 0)\r
613 {\r
b3972d82 614 usbjoy_update();\r
720ee7f6 615 for (joy = 0; joy < num_of_joys; joy++) {\r
b3972d82 616 int btns = usbjoy_check2(joy);\r
720ee7f6 617 for (i = 0; i < 32; i++) {\r
e1cd546f 618 if (btns & (1 << i)) {\r
720ee7f6 619 int acts = currentConfig.JoyBinds[joy][i];\r
620 int pl = (acts >> 16) & 1;\r
621 allActions[pl] |= acts;\r
622 }\r
623 }\r
624 }\r
625 }\r
626\r
6589c840 627 PicoPad[0] = allActions[0] & 0xfff;\r
628 PicoPad[1] = allActions[1] & 0xfff;\r
629\r
630 if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);\r
631 if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);\r
720ee7f6 632\r
633 events = (allActions[0] | allActions[1]) >> 16;\r
634\r
635 // volume is treated in special way and triggered every frame\r
0480e6c9 636 if (events & 0x6000)\r
637 update_volume(1, events & 0x2000);\r
638\r
8a091e48 639 if ((events ^ prevEvents) & 0x40) {\r
640 emu_changeFastForward(events & 0x40);\r
641 update_volume(0, 0);\r
642 reset_timing = 1;\r
643 }\r
720ee7f6 644\r
645 events &= ~prevEvents;\r
e1cd546f 646\r
647 if (PicoAHW == PAHW_PICO)\r
648 RunEventsPico(events, keys);\r
720ee7f6 649 if (events) RunEvents(events);\r
f013066e 650 if (movie_data) emu_updateMovie();\r
720ee7f6 651\r
652 prevEvents = (allActions[0] | allActions[1]) >> 16;\r
653}\r
654\r
720ee7f6 655\r
3ef975c9 656static void updateSound(int len)\r
720ee7f6 657{\r
3ef975c9 658 if (PicoOpt&8) len<<=1;\r
720ee7f6 659\r
d9a18943 660 /* avoid writing audio when lagging behind to prevent audio lag */\r
661 if (PicoSkipFrame != 2)\r
b3972d82 662 sndout_oss_write(PsndOut, len<<1);\r
720ee7f6 663}\r
664\r
725d7f6c 665void emu_startSound(void)\r
666{\r
667 static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r
668 int target_fps = Pico.m.pal ? 50 : 60;\r
669\r
670 PsndOut = NULL;\r
671\r
672 // prepare sound stuff\r
673 if (currentConfig.EmuOpt & 4)\r
674 {\r
675 int snd_excess_add;\r
676 if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old ||\r
677 ((PicoOpt&0x200) && crashed_940)) {\r
678 PsndRerate(Pico.m.frame_count ? 1 : 0);\r
679 }\r
680 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
681 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
682 PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r
b3972d82 683 sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r
684 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
725d7f6c 685 PicoWriteSound = updateSound;\r
686 update_volume(0, 0);\r
687 memset(sndBuffer, 0, sizeof(sndBuffer));\r
688 PsndOut = sndBuffer;\r
689 PsndRate_old = PsndRate;\r
690 PicoOpt_old = PicoOpt;\r
691 pal_old = Pico.m.pal;\r
692 }\r
693}\r
694\r
695void emu_endSound(void)\r
696{\r
697}\r
698\r
699/* wait until we can write more sound */\r
700void emu_waitSound(void)\r
701{\r
702 // don't need to do anything, writes will block by themselves\r
703}\r
704\r
720ee7f6 705\r
d9a18943 706static void SkipFrame(int do_audio)\r
720ee7f6 707{\r
d9a18943 708 PicoSkipFrame=do_audio ? 1 : 2;\r
720ee7f6 709 PicoFrame();\r
710 PicoSkipFrame=0;\r
720ee7f6 711}\r
712\r
713\r
84e21f25 714void emu_forcedFrame(int opts)\r
4ffd2858 715{\r
716 int po_old = PicoOpt;\r
13059a60 717 int eo_old = currentConfig.EmuOpt;\r
718\r
84e21f25 719 PicoOpt &= ~0x10;\r
720 PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r
13059a60 721 currentConfig.EmuOpt |= 0x80;\r
4ffd2858 722\r
13059a60 723 //vidResetMode();\r
724 PicoDrawSetColorFormat(1);\r
dd5fd477 725 PicoScanBegin = EmuScanBegin16;\r
13059a60 726 Pico.m.dirtyPal = 1;\r
727 PicoFrameDrawOnly();\r
4ffd2858 728\r
13059a60 729/*\r
4ffd2858 730 if (!(Pico.video.reg[12]&1)) {\r
dccc2bd0 731 vidCpyM2 = vidCpyM2_32col;\r
4ffd2858 732 clearArea(1);\r
dccc2bd0 733 } else vidCpyM2 = vidCpyM2_40col;\r
4ffd2858 734\r
c7a4ff64 735 vidCpyM2((unsigned char *)gp2x_screen+320*8, PicoDraw2FB+328*8);\r
4ffd2858 736 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
737 gp2x_video_setpalette(localPal, 0x40);\r
13059a60 738*/\r
e1aa0fa7 739 PicoOpt = po_old;\r
13059a60 740 currentConfig.EmuOpt = eo_old;\r
4ffd2858 741}\r
742\r
7443ecd9 743void emu_platformDebugCat(char *str)\r
744{\r
745 // nothing\r
746}\r
747\r
720ee7f6 748static void simpleWait(int thissec, int lim_time)\r
749{\r
750 struct timeval tval;\r
751\r
752 spend_cycles(1024);\r
753 gettimeofday(&tval, 0);\r
450dab6f 754 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 755\r
450dab6f 756 while (tval.tv_usec < lim_time)\r
720ee7f6 757 {\r
758 spend_cycles(1024);\r
759 gettimeofday(&tval, 0);\r
450dab6f 760 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 761 }\r
762}\r
763\r
764\r
450dab6f 765#if 0\r
766static void tga_dump(void)\r
767{\r
768#define BYTE unsigned char\r
769#define WORD unsigned short\r
770 struct\r
771 {\r
772 BYTE IDLength; /* 00h Size of Image ID field */\r
773 BYTE ColorMapType; /* 01h Color map type */\r
774 BYTE ImageType; /* 02h Image type code */\r
775 WORD CMapStart; /* 03h Color map origin */\r
776 WORD CMapLength; /* 05h Color map length */\r
777 BYTE CMapDepth; /* 07h Depth of color map entries */\r
778 WORD XOffset; /* 08h X origin of image */\r
779 WORD YOffset; /* 0Ah Y origin of image */\r
780 WORD Width; /* 0Ch Width of image */\r
781 WORD Height; /* 0Eh Height of image */\r
782 BYTE PixelDepth; /* 10h Image pixel size */\r
783 BYTE ImageDescriptor; /* 11h Image descriptor byte */\r
784 } __attribute__((packed)) TGAHEAD;\r
785 static unsigned short oldscr[320*240];\r
786 FILE *f; char name[128]; int i;\r
787\r
788 memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
789 TGAHEAD.ImageType = 2;\r
790 TGAHEAD.Width = 320;\r
791 TGAHEAD.Height = 240;\r
792 TGAHEAD.PixelDepth = 16;\r
793 TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
794\r
795#define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
796\r
797 for (i = 0; i < 320*240; i++)\r
798 if(oldscr[i] != CONV(((unsigned short *)gp2x_screen)[i])) break;\r
799 if (i < 320*240)\r
800 {\r
801 for (i = 0; i < 320*240; i++)\r
802 oldscr[i] = CONV(((unsigned short *)gp2x_screen)[i]);\r
803 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
804 f = fopen(name, "wb");\r
805 if (!f) { printf("!f\n"); exit(1); }\r
806 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
807 fwrite(oldscr, 1, 320*240*2, f);\r
808 fclose(f);\r
809 }\r
810}\r
811#endif\r
812\r
813\r
720ee7f6 814void emu_Loop(void)\r
815{\r
725d7f6c 816 static int gp2x_old_clock = 200, EmuOpt_old = 0;\r
720ee7f6 817 char fpsbuff[24]; // fps count c string\r
818 struct timeval tval; // timing\r
450dab6f 819 int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r
820 int frames_done, frames_shown, thissec; // actual frames\r
821 int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r
720ee7f6 822 char *notice = 0;\r
823\r
824 printf("entered emu_Loop()\n");\r
825\r
826 if (gp2x_old_clock != currentConfig.CPUclock) {\r
827 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
828 set_FCLK(currentConfig.CPUclock);\r
829 gp2x_old_clock = currentConfig.CPUclock;\r
830 printf(" done\n");\r
831 }\r
832\r
55a951dd 833 if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r
834 set_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 835 gp2x_old_gamma = currentConfig.gamma;\r
55a951dd 836 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
720ee7f6 837 }\r
838\r
59d0f042 839 if ((EmuOpt_old&0x2000) != (currentConfig.EmuOpt&0x2000)) {\r
840 if (currentConfig.EmuOpt&0x2000)\r
841 set_LCD_custom_rate(Pico.m.pal ? LCDR_100 : LCDR_120);\r
842 else unset_LCD_custom_rate();\r
843 }\r
844\r
845 EmuOpt_old = currentConfig.EmuOpt;\r
720ee7f6 846 fpsbuff[0] = 0;\r
847\r
848 // make sure we are in correct mode\r
849 vidResetMode();\r
f013066e 850 scaling_update();\r
e5d315a5 851 Pico.m.dirtyPal = 1;\r
720ee7f6 852 oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
8e708f92 853 emu_findKeyBindCombos();\r
720ee7f6 854\r
855 // pal/ntsc might have changed, reset related stuff\r
856 target_fps = Pico.m.pal ? 50 : 60;\r
857 target_frametime = 1000000/target_fps;\r
858 reset_timing = 1;\r
859\r
725d7f6c 860 emu_startSound();\r
720ee7f6 861\r
5f9922e6 862 // prepare CD buffer\r
dd5fd477 863 if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r
5f9922e6 864\r
59d0f042 865 // calc vsync offset to sync timing code with vsync\r
866 if (currentConfig.EmuOpt&0x2000) {\r
867 gettimeofday(&tval, 0);\r
868 gp2x_video_wait_vsync();\r
869 gettimeofday(&tval, 0);\r
870 vsync_offset = tval.tv_usec;\r
871 while (vsync_offset >= target_frametime)\r
872 vsync_offset -= target_frametime;\r
873 if (!vsync_offset) vsync_offset++;\r
874 printf("vsync_offset: %i\n", vsync_offset);\r
875 } else\r
876 vsync_offset = 0;\r
877\r
450dab6f 878 frames_done = frames_shown = thissec =\r
879 pframes_done = pframes_shown = pthissec = 0;\r
880\r
881 // loop\r
720ee7f6 882 while (engineState == PGS_Running)\r
883 {\r
884 int modes;\r
885\r
886 gettimeofday(&tval, 0);\r
0480e6c9 887 if (reset_timing) {\r
720ee7f6 888 reset_timing = 0;\r
450dab6f 889 pthissec = tval.tv_sec;\r
890 pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r
720ee7f6 891 }\r
892\r
893 // show notice message?\r
0480e6c9 894 if (noticeMsgTime.tv_sec)\r
895 {\r
720ee7f6 896 static int noticeMsgSum;\r
897 if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
898 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
899 clearArea(0);\r
900 notice = 0;\r
901 } else {\r
902 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
903 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
904 notice = noticeMsg;\r
905 }\r
906 }\r
907\r
908 // check for mode changes\r
909 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
0480e6c9 910 if (modes != oldmodes)\r
911 {\r
720ee7f6 912 int scalex = 320;\r
913 osd_fps_x = OSD_FPS_X;\r
914 if (modes & 4) {\r
915 vidCpyM2 = vidCpyM2_40col;\r
916 } else {\r
917 if (PicoOpt & 0x100) {\r
918 vidCpyM2 = vidCpyM2_32col_nobord;\r
919 scalex = 256;\r
920 osd_fps_x = OSD_FPS_X - 64;\r
921 } else {\r
922 vidCpyM2 = vidCpyM2_32col;\r
923 }\r
924 }\r
79cad122 925 if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
926 gp2x_video_RGB_setscaling(8, scalex, 224);\r
927 else gp2x_video_RGB_setscaling(0, scalex, 240);\r
720ee7f6 928 oldmodes = modes;\r
929 clearArea(1);\r
930 }\r
931\r
932 // second changed?\r
0480e6c9 933 if (thissec != tval.tv_sec)\r
934 {\r
720ee7f6 935#ifdef BENCHMARK\r
936 static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
0480e6c9 937 if (++bench == 10) {\r
720ee7f6 938 bench = 0;\r
939 bench_fps_s = bench_fps;\r
940 bf[bfp++ & 3] = bench_fps;\r
941 bench_fps = 0;\r
942 }\r
943 bench_fps += frames_shown;\r
944 sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
945#else\r
55c7b464 946 if (currentConfig.EmuOpt & 2) {\r
720ee7f6 947 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
55c7b464 948 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
949 }\r
720ee7f6 950#endif\r
450dab6f 951 frames_shown = frames_done = 0;\r
720ee7f6 952 thissec = tval.tv_sec;\r
450dab6f 953 }\r
954#ifdef PFRAMES\r
955 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
956#endif\r
720ee7f6 957\r
450dab6f 958 if (pthissec != tval.tv_sec)\r
959 {\r
0480e6c9 960 if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
450dab6f 961 pframes_done = pframes_shown = 0;\r
720ee7f6 962 } else {\r
963 // it is quite common for this implementation to leave 1 fame unfinished\r
964 // when second changes, but we don't want buffer to starve.\r
450dab6f 965 if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r
720ee7f6 966 updateKeys();\r
450dab6f 967 SkipFrame(1); pframes_done++;\r
720ee7f6 968 }\r
969\r
450dab6f 970 pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;\r
971 pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r
972 if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r
720ee7f6 973 }\r
450dab6f 974 pthissec = tval.tv_sec;\r
720ee7f6 975 }\r
59d0f042 976\r
450dab6f 977 lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r
978 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
979 {\r
720ee7f6 980 for(i = 0; i < currentConfig.Frameskip; i++) {\r
981 updateKeys();\r
450dab6f 982 SkipFrame(1); pframes_done++; frames_done++;\r
0480e6c9 983 if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r
720ee7f6 984 gettimeofday(&tval, 0);\r
450dab6f 985 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
986 if (tval.tv_usec < lim_time) { // we are too fast\r
987 simpleWait(pthissec, lim_time);\r
720ee7f6 988 }\r
989 }\r
990 lim_time += target_frametime;\r
991 }\r
450dab6f 992 }\r
993 else if (tval.tv_usec > lim_time) // auto frameskip\r
994 {\r
720ee7f6 995 // no time left for this frame - skip\r
f013066e 996 if (tval.tv_usec - lim_time >= 300000) {\r
d032c15a 997 /* something caused a slowdown for us (disk access? cache flush?)\r
998 * try to recover by resetting timing... */\r
999 reset_timing = 1;\r
1000 continue;\r
1001 }\r
720ee7f6 1002 updateKeys();\r
450dab6f 1003 SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r
720ee7f6 1004 continue;\r
1005 }\r
1006\r
1007 updateKeys();\r
1008 PicoFrame();\r
1009\r
1010 // check time\r
1011 gettimeofday(&tval, 0);\r
450dab6f 1012 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
720ee7f6 1013\r
f013066e 1014 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r
d032c15a 1015 reset_timing = 1;\r
1016 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
720ee7f6 1017 {\r
59d0f042 1018 // sleep or vsync if we are still too fast\r
720ee7f6 1019 // usleep sleeps for ~20ms minimum, so it is not a solution here\r
0480e6c9 1020 if (!reset_timing && tval.tv_usec < lim_time)\r
720ee7f6 1021 {\r
1022 // we are too fast\r
59d0f042 1023 if (vsync_offset) {\r
1024 if (lim_time - tval.tv_usec > target_frametime/2)\r
450dab6f 1025 simpleWait(pthissec, lim_time - target_frametime/4);\r
59d0f042 1026 gp2x_video_wait_vsync();\r
1027 } else {\r
450dab6f 1028 simpleWait(pthissec, lim_time);\r
59d0f042 1029 }\r
720ee7f6 1030 }\r
1031 }\r
1032\r
1033 blit(fpsbuff, notice);\r
1034\r
450dab6f 1035 pframes_done++; pframes_shown++;\r
1036 frames_done++; frames_shown++;\r
720ee7f6 1037 }\r
1038\r
8a091e48 1039 emu_changeFastForward(0);\r
5f9922e6 1040\r
dd5fd477 1041 if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r
5f9922e6 1042\r
720ee7f6 1043 // save SRAM\r
1044 if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
6ab2f79c 1045 emu_state_cb("Writing SRAM/BRAM..");\r
720ee7f6 1046 emu_SaveLoadGame(0, 1);\r
1047 SRam.changed = 0;\r
1048 }\r
e5d315a5 1049\r
13059a60 1050 // if in 8bit mode, generate 16bit image for menu background\r
1051 if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r
84e21f25 1052 emu_forcedFrame(POPT_EN_SOFTSCALE);\r
720ee7f6 1053}\r
1054\r
1055\r
1056void emu_ResetGame(void)\r
1057{\r
8d5cb10d 1058 PicoReset();\r
720ee7f6 1059 reset_timing = 1;\r
1060}\r
1061\r
PicoDrive's frontend in a lib