pandora/emu.c

   1 // (c) Copyright 2006-2008 notaz, All rights reserved.\r
   2 // Free for non-commercial use.\r
   3 \r
   4 // For commercial use, separate licencing terms must be obtained.\r
   5 \r
   6 #include <stdio.h>\r
   7 #include <stdlib.h>\r
   8 #include <sys/time.h>\r
   9 #include <sys/stat.h>\r
  10 #include <sys/types.h>\r
  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 "../gp2x/emu.h"\r
  18 #include "../gp2x/menu.h"\r
  19 #include "../common/arm_utils.h"\r
  20 #include "../common/fonts.h"\r
  21 #include "../common/emu.h"\r
  22 #include "../common/config.h"\r
  23 #include "../common/common.h"\r
  24 #include "../linux/usbjoy.h"\r
  25 #include "../linux/sndout_oss.h"\r
  26 #include "asm_utils.h"\r
  27 \r
  28 #include <pico/pico_int.h>\r
  29 #include <pico/patch.h>\r
  30 #include <pico/sound/mix.h>\r
  31 #include <zlib/zlib.h>\r
  32 \r
  33 //#define PFRAMES\r
  34 #define BENCHMARK\r
  35 //#define USE_320_SCREEN 1\r
  36 \r
  37 #ifdef BENCHMARK\r
  38 #define OSD_FPS_X (800-200)\r
  39 #else\r
  40 #define OSD_FPS_X (800-120)\r
  41 #endif\r
  42 \r
  43 \r
  44 int engineState;\r
  45 int select_exits = 0;\r
  46 \r
  47 char romFileName[PATH_MAX];\r
  48 \r
  49 static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
  50 static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
  51 static int osd_fps_x;\r
  52 unsigned char *PicoDraw2FB = NULL;  // temporary buffer for alt renderer\r
  53 int reset_timing = 0;\r
  54 \r
  55 #define PICO_PEN_ADJUST_X 4\r
  56 #define PICO_PEN_ADJUST_Y 2\r
  57 static int pico_pen_x = SCREEN_WIDTH/2, pico_pen_y = 240/2;\r
  58 \r
  59 static void emu_msg_cb(const char *msg);\r
  60 static void emu_msg_tray_open(void);\r
  61 \r
  62 \r
  63 void emu_noticeMsgUpdated(void)\r
  64 {\r
  65         gettimeofday(&noticeMsgTime, 0);\r
  66 }\r
  67 \r
  68 int emu_getMainDir(char *dst, int len)\r
  69 {\r
  70         extern char **g_argv;\r
  71         int j;\r
  72 \r
  73         strncpy(dst, g_argv[0], len);\r
  74         len -= 32; // reserve\r
  75         if (len < 0) len = 0;\r
  76         dst[len] = 0;\r
  77         for (j = strlen(dst); j > 0; j--)\r
  78                 if (dst[j] == '/') { dst[j+1] = 0; break; }\r
  79 \r
  80         return j + 1;\r
  81 }\r
  82 \r
  83 void emu_Init(void)\r
  84 {\r
  85         // make temp buffer for alt renderer\r
  86         PicoDraw2FB = malloc((8+320)*(8+240+8));\r
  87         if (!PicoDraw2FB)\r
  88         {\r
  89                 printf("PicoDraw2FB == 0\n");\r
  90         }\r
  91 \r
  92         // make dirs for saves, cfgs, etc.\r
  93         mkdir("mds", 0777);\r
  94         mkdir("srm", 0777);\r
  95         mkdir("brm", 0777);\r
  96         mkdir("cfg", 0777);\r
  97 \r
  98         PicoInit();\r
  99         PicoMessage = emu_msg_cb;\r
 100         PicoMCDopenTray = emu_msg_tray_open;\r
 101         PicoMCDcloseTray = menu_loop_tray;\r
 102 }\r
 103 \r
 104 \r
 105 void emu_Deinit(void)\r
 106 {\r
 107         // save SRAM\r
 108         if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
 109                 emu_SaveLoadGame(0, 1);\r
 110                 SRam.changed = 0;\r
 111         }\r
 112 \r
 113         if (!(currentConfig.EmuOpt & 0x20)) {\r
 114                 config_writelrom(PicoConfigFile);\r
 115 #ifndef NO_SYNC\r
 116                 sync();\r
 117 #endif\r
 118         }\r
 119 \r
 120         free(PicoDraw2FB);\r
 121 \r
 122         PicoExit();\r
 123 }\r
 124 \r
 125 void emu_prepareDefaultConfig(void)\r
 126 {\r
 127         memset(&defaultConfig, 0, sizeof(defaultConfig));\r
 128         defaultConfig.EmuOpt    = 0x8f | 0x00600; // | <- confirm_save, cd_leds\r
 129         defaultConfig.s_PicoOpt  = 0x0f | POPT_EXT_FM|POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC;\r
 130         defaultConfig.s_PicoOpt |= POPT_ACC_SPRITES|POPT_EN_MCD_GFX;\r
 131 //      defaultConfig.s_PicoOpt &= ~POPT_EN_SVP_DRC; // crashes :(\r
 132         defaultConfig.EmuOpt    &= ~8; // no save gzip\r
 133         defaultConfig.s_PsndRate = 44100;\r
 134         defaultConfig.s_PicoRegion = 0;\r
 135         defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
 136         defaultConfig.s_PicoCDBuffers = 0;\r
 137         defaultConfig.Frameskip = 0;\r
 138         defaultConfig.CPUclock = 200;\r
 139         defaultConfig.volume = 50;\r
 140         defaultConfig.scaling = 0;\r
 141         defaultConfig.turbo_rate = 15;\r
 142 }\r
 143 \r
 144 static void textOut16(int x, int y, const char *text)\r
 145 {\r
 146         int i,l,len=strlen(text);\r
 147         unsigned int *screen = (unsigned int *)((unsigned short *)SCREEN_BUFFER + (x&~1) + y*SCREEN_WIDTH);\r
 148 \r
 149         for (i = 0; i < len; i++)\r
 150         {\r
 151                 for (l=0;l<16;)\r
 152                 {\r
 153                         unsigned char fd = fontdata8x8[((text[i])*8)+l/2];\r
 154                         unsigned int *d = &screen[l*SCREEN_WIDTH/2];\r
 155                         if (fd&0x80) d[0]=0xffffffff;\r
 156                         if (fd&0x40) d[1]=0xffffffff;\r
 157                         if (fd&0x20) d[2]=0xffffffff;\r
 158                         if (fd&0x10) d[3]=0xffffffff;\r
 159                         if (fd&0x08) d[4]=0xffffffff;\r
 160                         if (fd&0x04) d[5]=0xffffffff;\r
 161                         if (fd&0x02) d[6]=0xffffffff;\r
 162                         if (fd&0x01) d[7]=0xffffffff;\r
 163                         l++; d = &screen[l*SCREEN_WIDTH/2];\r
 164                         if (fd&0x80) d[0]=0xffffffff;\r
 165                         if (fd&0x40) d[1]=0xffffffff;\r
 166                         if (fd&0x20) d[2]=0xffffffff;\r
 167                         if (fd&0x10) d[3]=0xffffffff;\r
 168                         if (fd&0x08) d[4]=0xffffffff;\r
 169                         if (fd&0x04) d[5]=0xffffffff;\r
 170                         if (fd&0x02) d[6]=0xffffffff;\r
 171                         if (fd&0x01) d[7]=0xffffffff;\r
 172                         l++;\r
 173                 }\r
 174                 screen += 8;\r
 175         }\r
 176 }\r
 177 \r
 178 \r
 179 void osd_text(int x, int y, const char *text)\r
 180 {\r
 181         int len = strlen(text)*8;\r
 182 \r
 183         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 184                 int *p, i, h;\r
 185                 x &= ~3; // align x\r
 186                 len = (len+3) >> 2;\r
 187                 for (h = 0; h < 8; h++) {\r
 188                         p = (int *) ((unsigned char *) gp2x_screen+x+SCREEN_WIDTH*(y+h));\r
 189                         for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
 190                 }\r
 191                 emu_textOut8(x, y, text);\r
 192         } else {\r
 193                 int *p, i, h;\r
 194                 x &= ~1; // align x\r
 195                 len++;\r
 196                 for (h = 0; h < 16; h++) {\r
 197                         p = (int *) ((unsigned short *) gp2x_screen+x+SCREEN_WIDTH*(y+h));\r
 198                         for (i = len; i; i--, p++) *p = 0;//(*p>>2)&0x39e7;\r
 199                 }\r
 200                 textOut16(x, y, text);\r
 201         }\r
 202 }\r
 203 \r
 204 static void draw_cd_leds(void)\r
 205 {\r
 206 //      static\r
 207         int old_reg;\r
 208 //      if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r
 209         old_reg = Pico_mcd->s68k_regs[0];\r
 210 \r
 211         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 212                 // 8-bit modes\r
 213                 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
 214                 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
 215                 *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*2+ 4) =\r
 216                 *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*3+ 4) =\r
 217                 *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*4+ 4) = col_g;\r
 218                 *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*2+12) =\r
 219                 *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*3+12) =\r
 220                 *(unsigned int *)((char *)gp2x_screen + SCREEN_WIDTH*4+12) = col_r;\r
 221         } else {\r
 222                 // 16-bit modes\r
 223                 unsigned int *p = (unsigned int *)((short *)gp2x_screen + SCREEN_WIDTH*2+4);\r
 224                 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
 225                 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
 226                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += SCREEN_WIDTH/2 - 12/2;\r
 227                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += SCREEN_WIDTH/2 - 12/2;\r
 228                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
 229         }\r
 230 }\r
 231 \r
 232 static void draw_pico_ptr(void)\r
 233 {\r
 234         unsigned short *p = (unsigned short *)gp2x_screen;\r
 235 \r
 236         // only if pen enabled and for 16bit modes\r
 237         if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;\r
 238 \r
 239         if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))\r
 240                 p += 32;\r
 241 \r
 242         p += SCREEN_WIDTH * (pico_pen_y + PICO_PEN_ADJUST_Y);\r
 243         p += pico_pen_x + PICO_PEN_ADJUST_X;\r
 244         p[0]   ^= 0xffff;\r
 245         p[319] ^= 0xffff;\r
 246         p[320] ^= 0xffff;\r
 247         p[321] ^= 0xffff;\r
 248         p[640] ^= 0xffff;\r
 249 }\r
 250 \r
 251 #ifdef USE_320_SCREEN\r
 252 \r
 253 static int EmuScanBegin16(unsigned int num)\r
 254 {\r
 255         if (!(Pico.video.reg[1]&8)) num += 8;\r
 256         DrawLineDest = (unsigned short *)gp2x_screen + num*800 + 800/2 - 320/2;\r
 257         //int w = (Pico.video.reg[12]&1) ? 320 : 256;\r
 258         //DrawLineDest = (unsigned short *)gp2x_screen + num*w;\r
 259 \r
 260         return 0;\r
 261 }\r
 262 \r
 263 #else // USE_320_SCREEN\r
 264 \r
 265 static int EmuScanEnd16(unsigned int num)\r
 266 {\r
 267         unsigned char  *ps=HighCol+8;\r
 268         unsigned short *pd;\r
 269         unsigned short *pal=HighPal;\r
 270         int sh = Pico.video.reg[0xC]&8;\r
 271         int len, mask = 0xff;\r
 272 \r
 273         if (!(Pico.video.reg[1]&8)) num += 8;\r
 274         pd=(unsigned short *)gp2x_screen + num*800*2 + 800/2 - 320*2/2;\r
 275 \r
 276         if (Pico.m.dirtyPal)\r
 277                 PicoDoHighPal555(sh);\r
 278 \r
 279         if (Pico.video.reg[12]&1) {\r
 280                 len = 320;\r
 281         } else {\r
 282                 pd += 32*2;\r
 283                 len = 256;\r
 284         }\r
 285 \r
 286         if (!sh && (rendstatus & PDRAW_SPR_LO_ON_HI))\r
 287                 mask=0x3f; // messed sprites, upper bits are priority stuff\r
 288 \r
 289 #if 1\r
 290         clut_line(pd, ps, pal, (mask<<16) | len);\r
 291 #else\r
 292         for (; len > 0; len--)\r
 293         {\r
 294                 unsigned int p = pal[*ps++ & mask];\r
 295                 p |= p << 16;\r
 296                 *(unsigned int *)pd = p;\r
 297                 *(unsigned int *)(&pd[800]) = p;\r
 298                 pd += 2;\r
 299         }\r
 300 #endif\r
 301 \r
 302         return 0;\r
 303 }\r
 304 \r
 305 #endif // USE_320_SCREEN\r
 306 \r
 307 static int EmuScanBegin8(unsigned int num)\r
 308 {\r
 309         if (!(Pico.video.reg[1]&8)) num += 8;\r
 310         DrawLineDest = (unsigned char *)  gp2x_screen + SCREEN_WIDTH * num;\r
 311 \r
 312         return 0;\r
 313 }\r
 314 \r
 315 int localPal[0x100];\r
 316 static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
 317 \r
 318 static void blit(const char *fps, const char *notice)\r
 319 {\r
 320         int emu_opt = currentConfig.EmuOpt;\r
 321 \r
 322         if (PicoOpt&0x10)\r
 323         {\r
 324                 // 8bit fast renderer\r
 325                 if (Pico.m.dirtyPal) {\r
 326                         Pico.m.dirtyPal = 0;\r
 327                         vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 328                         // feed new palette to our device\r
 329                         gp2x_video_setpalette(localPal, 0x40);\r
 330                 }\r
 331                 // a hack for VR\r
 332                 if (PicoRead16Hook == PicoSVPRead16)\r
 333                         memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r
 334                 // do actual copy\r
 335                 vidCpyM2((unsigned char *)gp2x_screen+SCREEN_WIDTH*8, PicoDraw2FB+328*8);\r
 336         }\r
 337         else if (!(emu_opt&0x80))\r
 338         {\r
 339                 // 8bit accurate renderer\r
 340                 if (Pico.m.dirtyPal)\r
 341                 {\r
 342                         int pallen = 0xc0;\r
 343                         Pico.m.dirtyPal = 0;\r
 344                         if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r
 345                         {\r
 346                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 347                                 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
 348                                 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
 349                                 memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r
 350                                 pallen = 0x100;\r
 351                         }\r
 352                         else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
 353                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 354                                 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
 355                                 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
 356                                 pallen = 0xc0;\r
 357                         }\r
 358                         else {\r
 359                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 360                                 memcpy32(localPal+0x80, localPal, 0x40);\r
 361                         }\r
 362                         if (pallen > 0xc0) {\r
 363                                 localPal[0xc0] = 0x0000c000;\r
 364                                 localPal[0xd0] = 0x00c00000;\r
 365                                 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
 366                                 localPal[0xf0] = 0x00ffffff;\r
 367                         }\r
 368                         gp2x_video_setpalette(localPal, pallen);\r
 369                 }\r
 370         }\r
 371 \r
 372         if (notice || (emu_opt & 2)) {\r
 373                 int h = SCREEN_HEIGHT-16;\r
 374                 if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8)) h -= 16;\r
 375                 if (notice) osd_text(4, h, notice);\r
 376                 if (emu_opt & 2)\r
 377                         osd_text(osd_fps_x, h, fps);\r
 378         }\r
 379         if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r
 380                 draw_cd_leds();\r
 381         if (PicoAHW & PAHW_PICO)\r
 382                 draw_pico_ptr();\r
 383 {\r
 384 //static int u=0;\r
 385 //memset((char *)gp2x_screen+800*471*2, (u++)>>1, 800*9*2);\r
 386 }\r
 387 \r
 388         //gp2x_video_wait_vsync();\r
 389         gp2x_video_flip();\r
 390 }\r
 391 \r
 392 \r
 393 // clears whole screen or just the notice area (in all buffers)\r
 394 static void clearArea(int full)\r
 395 {\r
 396         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 397                 // 8-bit renderers\r
 398                 if (full) gp2x_memset_all_buffers(0, 0xe0, SCREEN_WIDTH*240);\r
 399                 else      gp2x_memset_all_buffers(SCREEN_WIDTH*232, 0xe0, SCREEN_WIDTH*8);\r
 400         } else {\r
 401                 // 16bit accurate renderer\r
 402                 if (full) gp2x_memset_all_buffers(0, 0, SCREEN_WIDTH*SCREEN_HEIGHT*2);\r
 403                 else      gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, 0, SCREEN_WIDTH*16*2);\r
 404         }\r
 405 }\r
 406 \r
 407 \r
 408 static void vidResetMode(void)\r
 409 {\r
 410         if (PicoOpt&0x10) {\r
 411                 gp2x_video_changemode(8);\r
 412         } else if (currentConfig.EmuOpt&0x80) {\r
 413                 gp2x_video_changemode(16);\r
 414 #ifdef USE_320_SCREEN\r
 415                 PicoDrawSetColorFormat(1);\r
 416                 PicoScanBegin = EmuScanBegin16;\r
 417 #else\r
 418                 PicoDrawSetColorFormat(-1);\r
 419                 PicoScanEnd = EmuScanEnd16;\r
 420 #endif\r
 421         } else {\r
 422                 gp2x_video_changemode(8);\r
 423                 PicoDrawSetColorFormat(2);\r
 424                 PicoScanBegin = EmuScanBegin8;\r
 425         }\r
 426         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 427                 // setup pal for 8-bit modes\r
 428                 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
 429                 localPal[0xd0] = 0x00c00000;\r
 430                 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
 431                 localPal[0xf0] = 0x00ffffff;\r
 432                 gp2x_video_setpalette(localPal, 0x100);\r
 433                 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
 434                 gp2x_video_flip();\r
 435         }\r
 436         Pico.m.dirtyPal = 1;\r
 437         // reset scaling\r
 438         if (currentConfig.scaling == 2 && !(Pico.video.reg[1]&8))\r
 439              gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
 440         else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
 441 }\r
 442 \r
 443 \r
 444 static void emu_msg_cb(const char *msg)\r
 445 {\r
 446         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 447                 // 8-bit renderers\r
 448                 gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16), 0xe0, SCREEN_WIDTH*16);\r
 449                 osd_text(4, SCREEN_HEIGHT-16, msg);\r
 450                 gp2x_memcpy_all_buffers((char *)gp2x_screen+SCREEN_WIDTH*(SCREEN_HEIGHT-16),\r
 451                         SCREEN_WIDTH*(SCREEN_HEIGHT-16), SCREEN_WIDTH*16);\r
 452         } else {\r
 453                 // 16bit accurate renderer\r
 454                 gp2x_memset_all_buffers(SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, 0, SCREEN_WIDTH*16*2);\r
 455                 osd_text(4, SCREEN_HEIGHT-16, msg);\r
 456                 gp2x_memcpy_all_buffers((char *)gp2x_screen+SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2,\r
 457                         SCREEN_WIDTH*(SCREEN_HEIGHT-16)*2, SCREEN_WIDTH*16*2);\r
 458         }\r
 459         gettimeofday(&noticeMsgTime, 0);\r
 460         noticeMsgTime.tv_sec -= 2;\r
 461 \r
 462         /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
 463         reset_timing = 1;\r
 464 }\r
 465 \r
 466 static void emu_state_cb(const char *str)\r
 467 {\r
 468         clearArea(0);\r
 469         blit("", str);\r
 470 }\r
 471 \r
 472 static void emu_msg_tray_open(void)\r
 473 {\r
 474         strcpy(noticeMsg, "CD tray opened");\r
 475         gettimeofday(&noticeMsgTime, 0);\r
 476 }\r
 477 \r
 478 static void RunEventsPico(unsigned int events, unsigned int gp2x_keys)\r
 479 {\r
 480         int ret, px, py, lim_x;\r
 481         static int pdown_frames = 0;\r
 482 \r
 483         emu_RunEventsPico(events);\r
 484 \r
 485         if (pico_inp_mode == 0) return;\r
 486 \r
 487         // for F200\r
 488         ret = gp2x_touchpad_read(&px, &py);\r
 489         if (ret >= 0)\r
 490         {\r
 491                 if (ret > 35000)\r
 492                 {\r
 493                         if (pdown_frames++ > 5)\r
 494                                 PicoPad[0] |= 0x20;\r
 495 \r
 496                         pico_pen_x = px;\r
 497                         pico_pen_y = py;\r
 498                         if (!(Pico.video.reg[12]&1)) {\r
 499                                 pico_pen_x -= 32;\r
 500                                 if (pico_pen_x <   0) pico_pen_x = 0;\r
 501                                 if (pico_pen_x > 248) pico_pen_x = 248;\r
 502                         }\r
 503                         if (pico_pen_y > 224) pico_pen_y = 224;\r
 504                 }\r
 505                 else\r
 506                         pdown_frames = 0;\r
 507 \r
 508                 //if (ret == 0)\r
 509                 //      PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
 510         }\r
 511 \r
 512         PicoPad[0] &= ~0x0f; // release UDLR\r
 513         if (gp2x_keys & GP2X_UP)    pico_pen_y--;\r
 514         if (gp2x_keys & GP2X_DOWN)  pico_pen_y++;\r
 515         if (gp2x_keys & GP2X_LEFT)  pico_pen_x--;\r
 516         if (gp2x_keys & GP2X_RIGHT) pico_pen_x++;\r
 517 \r
 518         lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
 519         if (pico_pen_y < 8) pico_pen_y = 8;\r
 520         if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y;\r
 521         if (pico_pen_x < 0) pico_pen_x = 0;\r
 522         if (pico_pen_x > lim_x-PICO_PEN_ADJUST_X) pico_pen_x = lim_x-PICO_PEN_ADJUST_X;\r
 523 \r
 524         PicoPicohw.pen_pos[0] = pico_pen_x;\r
 525         if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;\r
 526         PicoPicohw.pen_pos[0] += 0x3c;\r
 527         PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
 528 }\r
 529 \r
 530 static void update_volume(int has_changed, int is_up)\r
 531 {\r
 532         static int prev_frame = 0, wait_frames = 0;\r
 533         int vol = currentConfig.volume;\r
 534 \r
 535         if (has_changed)\r
 536         {\r
 537                 if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
 538                         wait_frames++;\r
 539                 else {\r
 540                         if (is_up) {\r
 541                                 if (vol < 99) vol++;\r
 542                         } else {\r
 543                                 if (vol >  0) vol--;\r
 544                         }\r
 545                         wait_frames = 0;\r
 546                         sndout_oss_setvol(vol, vol);\r
 547                         currentConfig.volume = vol;\r
 548                 }\r
 549                 sprintf(noticeMsg, "VOL: %02i", vol);\r
 550                 gettimeofday(&noticeMsgTime, 0);\r
 551                 prev_frame = Pico.m.frame_count;\r
 552         }\r
 553 \r
 554         // set the right mixer func\r
 555         if (!(PicoOpt&8)) return; // just use defaults for mono\r
 556         if (vol >= 5)\r
 557                 PsndMix_32_to_16l = mix_32_to_16l_stereo;\r
 558         else {\r
 559                 mix_32_to_16l_level = 5 - vol;\r
 560                 PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r
 561         }\r
 562 }\r
 563 \r
 564 static void RunEvents(unsigned int which)\r
 565 {\r
 566         if (which & 0x1800) // save or load (but not both)\r
 567         {\r
 568                 int do_it = 1;\r
 569                 if ( emu_checkSaveFile(state_slot) &&\r
 570                                 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) ||   // load\r
 571                                  (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) { // save\r
 572                         unsigned long keys;\r
 573                         blit("", (which & 0x1000) ? "LOAD STATE? (Y=yes, X=no)" : "OVERWRITE SAVE? (Y=yes, X=no)");\r
 574                         while ( !((keys = gp2x_joystick_read(1)) & (GP2X_X|GP2X_Y)) )\r
 575                                 usleep(50*1024);\r
 576                         if (keys & GP2X_X) do_it = 0;\r
 577                         while ( gp2x_joystick_read(1) & (GP2X_X|GP2X_Y) ) // wait for release\r
 578                                 usleep(50*1024);\r
 579                         clearArea(0);\r
 580                 }\r
 581                 if (do_it) {\r
 582                         osd_text(4, SCREEN_HEIGHT-16, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
 583                         PicoStateProgressCB = emu_state_cb;\r
 584                         gp2x_memcpy_all_buffers(gp2x_screen, 0, SCREEN_WIDTH*SCREEN_HEIGHT*2);\r
 585                         emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
 586                         PicoStateProgressCB = NULL;\r
 587                 }\r
 588 \r
 589                 reset_timing = 1;\r
 590         }\r
 591         if (which & 0x0400) // switch renderer\r
 592         {\r
 593                 if      (  PicoOpt&0x10)             { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
 594                 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
 595                 else   currentConfig.EmuOpt &= ~0x80;\r
 596 \r
 597                 vidResetMode();\r
 598 \r
 599                 if (PicoOpt&0x10) {\r
 600                         strcpy(noticeMsg, " 8bit fast renderer");\r
 601                 } else if (currentConfig.EmuOpt&0x80) {\r
 602                         strcpy(noticeMsg, "16bit accurate renderer");\r
 603                 } else {\r
 604                         strcpy(noticeMsg, " 8bit accurate renderer");\r
 605                 }\r
 606 \r
 607                 gettimeofday(&noticeMsgTime, 0);\r
 608         }\r
 609         if (which & 0x0300)\r
 610         {\r
 611                 if(which&0x0200) {\r
 612                         state_slot -= 1;\r
 613                         if(state_slot < 0) state_slot = 9;\r
 614                 } else {\r
 615                         state_slot += 1;\r
 616                         if(state_slot > 9) state_slot = 0;\r
 617                 }\r
 618                 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r
 619                 gettimeofday(&noticeMsgTime, 0);\r
 620         }\r
 621         if (which & 0x0080) {\r
 622                 engineState = PGS_Menu;\r
 623         }\r
 624 }\r
 625 \r
 626 static void updateKeys(void)\r
 627 {\r
 628         unsigned int keys, keys2, allActions[2] = { 0, 0 }, events;\r
 629         static unsigned int prevEvents = 0;\r
 630         int joy, i;\r
 631 \r
 632         keys = gp2x_joystick_read(0);\r
 633         if (keys & GP2X_SELECT) {\r
 634                 engineState = select_exits ? PGS_Quit : PGS_Menu;\r
 635                 // wait until select is released, so menu would not resume game\r
 636                 while (gp2x_joystick_read(1) & GP2X_SELECT) usleep(50*1000);\r
 637         }\r
 638 \r
 639         keys &= CONFIGURABLE_KEYS;\r
 640         keys2 = keys;\r
 641 \r
 642         for (i = 0; i < 32; i++)\r
 643         {\r
 644                 if (keys2 & (1 << i))\r
 645                 {\r
 646                         int pl, acts = currentConfig.KeyBinds[i];\r
 647                         if (!acts) continue;\r
 648                         pl = (acts >> 16) & 1;\r
 649                         if (kb_combo_keys & (1 << i))\r
 650                         {\r
 651                                 int u = i+1, acts_c = acts & kb_combo_acts;\r
 652                                 // let's try to find the other one\r
 653                                 if (acts_c) {\r
 654                                         for (; u < 32; u++)\r
 655                                                 if ( (keys2 & (1 << u)) && (currentConfig.KeyBinds[u] & acts_c) ) {\r
 656                                                         allActions[pl] |= acts_c & currentConfig.KeyBinds[u];\r
 657                                                         keys2 &= ~((1 << i) | (1 << u));\r
 658                                                         break;\r
 659                                                 }\r
 660                                 }\r
 661                                 // add non-combo actions if combo ones were not found\r
 662                                 if (!acts_c || u == 32)\r
 663                                         allActions[pl] |= acts & ~kb_combo_acts;\r
 664                         } else {\r
 665                                 allActions[pl] |= acts;\r
 666                         }\r
 667                 }\r
 668         }\r
 669 \r
 670         // add joy inputs\r
 671         if (num_of_joys > 0)\r
 672         {\r
 673                 usbjoy_update();\r
 674                 for (joy = 0; joy < num_of_joys; joy++) {\r
 675                         int btns = usbjoy_check2(joy);\r
 676                         for (i = 0; i < 32; i++) {\r
 677                                 if (btns & (1 << i)) {\r
 678                                         int acts = currentConfig.JoyBinds[joy][i];\r
 679                                         int pl = (acts >> 16) & 1;\r
 680                                         allActions[pl] |= acts;\r
 681                                 }\r
 682                         }\r
 683                 }\r
 684         }\r
 685 \r
 686         PicoPad[0] = allActions[0] & 0xfff;\r
 687         PicoPad[1] = allActions[1] & 0xfff;\r
 688 \r
 689         if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);\r
 690         if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);\r
 691 \r
 692         events = (allActions[0] | allActions[1]) >> 16;\r
 693 \r
 694         // volume is treated in special way and triggered every frame\r
 695         if (events & 0x6000)\r
 696                 update_volume(1, events & 0x2000);\r
 697 \r
 698         if ((events ^ prevEvents) & 0x40) {\r
 699                 emu_changeFastForward(events & 0x40);\r
 700                 update_volume(0, 0);\r
 701                 reset_timing = 1;\r
 702         }\r
 703 \r
 704         events &= ~prevEvents;\r
 705 \r
 706         if (PicoAHW == PAHW_PICO)\r
 707                 RunEventsPico(events, keys);\r
 708         if (events) RunEvents(events);\r
 709         if (movie_data) emu_updateMovie();\r
 710 \r
 711         prevEvents = (allActions[0] | allActions[1]) >> 16;\r
 712 }\r
 713 \r
 714 \r
 715 static void updateSound(int len)\r
 716 {\r
 717         if (PicoOpt&8) len<<=1;\r
 718 \r
 719         /* avoid writing audio when lagging behind to prevent audio lag */\r
 720         if (PicoSkipFrame != 2)\r
 721                 sndout_oss_write(PsndOut, len<<1);\r
 722 }\r
 723 \r
 724 \r
 725 static void SkipFrame(int do_audio)\r
 726 {\r
 727         PicoSkipFrame=do_audio ? 1 : 2;\r
 728         PicoFrame();\r
 729         PicoSkipFrame=0;\r
 730 }\r
 731 \r
 732 \r
 733 void emu_forcedFrame(int opts)\r
 734 {\r
 735         int po_old = PicoOpt;\r
 736         int eo_old = currentConfig.EmuOpt;\r
 737 \r
 738         PicoOpt &= ~0x10;\r
 739         PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r
 740         currentConfig.EmuOpt |= 0x80;\r
 741 \r
 742         //vidResetMode();\r
 743 #ifdef USE_320_SCREEN\r
 744         PicoDrawSetColorFormat(1);\r
 745         PicoScanBegin = EmuScanBegin16;\r
 746 #else\r
 747         PicoDrawSetColorFormat(-1);\r
 748         PicoScanEnd = EmuScanEnd16;\r
 749 #endif\r
 750         Pico.m.dirtyPal = 1;\r
 751         PicoFrameDrawOnly();\r
 752 \r
 753 /*\r
 754         if (!(Pico.video.reg[12]&1)) {\r
 755                 vidCpyM2 = vidCpyM2_32col;\r
 756                 clearArea(1);\r
 757         } else  vidCpyM2 = vidCpyM2_40col;\r
 758 \r
 759         vidCpyM2((unsigned char *)gp2x_screen+SCREEN_WIDTH*8, PicoDraw2FB+328*8);\r
 760         vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 761         gp2x_video_setpalette(localPal, 0x40);\r
 762 */\r
 763         PicoOpt = po_old;\r
 764         currentConfig.EmuOpt = eo_old;\r
 765 }\r
 766 \r
 767 void emu_platformDebugCat(char *str)\r
 768 {\r
 769         // nothing\r
 770 }\r
 771 \r
 772 static void simpleWait(int thissec, int lim_time)\r
 773 {\r
 774         struct timeval tval;\r
 775 \r
 776         spend_cycles(1024);\r
 777         gettimeofday(&tval, 0);\r
 778         if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
 779 \r
 780         while (tval.tv_usec < lim_time)\r
 781         {\r
 782                 spend_cycles(1024);\r
 783                 gettimeofday(&tval, 0);\r
 784                 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
 785         }\r
 786 }\r
 787 \r
 788 \r
 789 void emu_Loop(void)\r
 790 {\r
 791         static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r
 792         char fpsbuff[24]; // fps count c string\r
 793         struct timeval tval; // timing\r
 794         int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r
 795         int  frames_done,  frames_shown,  thissec; // actual frames\r
 796         int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r
 797         char *notice = 0;\r
 798 \r
 799         printf("entered emu_Loop()\n");\r
 800 \r
 801         fpsbuff[0] = 0;\r
 802 \r
 803         // make sure we are in correct mode\r
 804         vidResetMode();\r
 805         Pico.m.dirtyPal = 1;\r
 806         oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
 807         emu_findKeyBindCombos();\r
 808 \r
 809         // pal/ntsc might have changed, reset related stuff\r
 810         target_fps = Pico.m.pal ? 50 : 60;\r
 811         target_frametime = 1000000/target_fps;\r
 812         reset_timing = 1;\r
 813 \r
 814         // prepare sound stuff\r
 815         if (currentConfig.EmuOpt & 4)\r
 816         {\r
 817                 int snd_excess_add;\r
 818                 if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old)\r
 819                         PsndRerate(Pico.m.frame_count ? 1 : 0);\r
 820 \r
 821                 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
 822                 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
 823                         PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r
 824                 sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r
 825                 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
 826                 PicoWriteSound = updateSound;\r
 827                 update_volume(0, 0);\r
 828                 memset(sndBuffer, 0, sizeof(sndBuffer));\r
 829                 PsndOut = sndBuffer;\r
 830                 PsndRate_old = PsndRate;\r
 831                 PicoOpt_old  = PicoOpt;\r
 832                 pal_old = Pico.m.pal;\r
 833         } else {\r
 834                 PsndOut = NULL;\r
 835         }\r
 836 \r
 837         // prepare CD buffer\r
 838         if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r
 839 \r
 840         // calc vsync offset to sync timing code with vsync\r
 841         if (currentConfig.EmuOpt&0x2000) {\r
 842                 gettimeofday(&tval, 0);\r
 843                 gp2x_video_wait_vsync();\r
 844                 gettimeofday(&tval, 0);\r
 845                 vsync_offset = tval.tv_usec;\r
 846                 while (vsync_offset >= target_frametime)\r
 847                         vsync_offset -= target_frametime;\r
 848                 if (!vsync_offset) vsync_offset++;\r
 849                 printf("vsync_offset: %i\n", vsync_offset);\r
 850         } else\r
 851                 vsync_offset = 0;\r
 852 \r
 853         frames_done = frames_shown = thissec =\r
 854         pframes_done = pframes_shown = pthissec = 0;\r
 855 \r
 856         // loop\r
 857         while (engineState == PGS_Running)\r
 858         {\r
 859                 int modes;\r
 860 \r
 861                 gettimeofday(&tval, 0);\r
 862                 if (reset_timing) {\r
 863                         reset_timing = 0;\r
 864                         pthissec = tval.tv_sec;\r
 865                         pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r
 866                 }\r
 867 \r
 868                 // show notice message?\r
 869                 if (noticeMsgTime.tv_sec)\r
 870                 {\r
 871                         static int noticeMsgSum;\r
 872                         if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
 873                                 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
 874                                 clearArea(0);\r
 875                                 notice = 0;\r
 876                         } else {\r
 877                                 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
 878                                 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
 879                                 notice = noticeMsg;\r
 880                         }\r
 881                 }\r
 882 \r
 883                 // check for mode changes\r
 884                 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
 885                 if (modes != oldmodes)\r
 886                 {\r
 887                         int scalex = SCREEN_WIDTH;\r
 888                         osd_fps_x = OSD_FPS_X;\r
 889                         if (modes & 4) {\r
 890                                 vidCpyM2 = vidCpyM2_40col;\r
 891                         } else {\r
 892                                 if (PicoOpt & 0x100) {\r
 893                                         vidCpyM2 = vidCpyM2_32col_nobord;\r
 894                                         scalex = 256;\r
 895                                         osd_fps_x = OSD_FPS_X - 64;\r
 896                                 } else {\r
 897                                         vidCpyM2 = vidCpyM2_32col;\r
 898                                 }\r
 899                         }\r
 900                         if (currentConfig.scaling == 2 && !(modes&8)) // want vertical scaling and game is not in 240 line mode\r
 901                              gp2x_video_RGB_setscaling(8, scalex, 224);\r
 902                         else gp2x_video_RGB_setscaling(0, scalex, 240);\r
 903                         oldmodes = modes;\r
 904                         clearArea(1);\r
 905                 }\r
 906 \r
 907                 // second changed?\r
 908                 if (thissec != tval.tv_sec)\r
 909                 {\r
 910 #ifdef BENCHMARK\r
 911                         static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
 912                         if (++bench == 4) {\r
 913                                 bench = 0;\r
 914                                 bench_fps_s = bench_fps / 4;\r
 915                                 bf[bfp++ & 3] = bench_fps / 4;\r
 916                                 bench_fps = 0;\r
 917                         }\r
 918                         bench_fps += frames_shown;\r
 919                         sprintf(fpsbuff, "%3i/%3i/%3i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
 920                         printf("%s\n", fpsbuff);\r
 921 #else\r
 922                         if (currentConfig.EmuOpt & 2) {\r
 923                                 sprintf(fpsbuff, "%3i/%3i", frames_shown, frames_done);\r
 924                                 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
 925                         }\r
 926 #endif\r
 927                         frames_shown = frames_done = 0;\r
 928                         thissec = tval.tv_sec;\r
 929                 }\r
 930 #ifdef PFRAMES\r
 931                 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
 932 #endif\r
 933 \r
 934                 if (pthissec != tval.tv_sec)\r
 935                 {\r
 936                         if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
 937                                 pframes_done = pframes_shown = 0;\r
 938                         } else {\r
 939                                 // it is quite common for this implementation to leave 1 fame unfinished\r
 940                                 // when second changes, but we don't want buffer to starve.\r
 941                                 if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r
 942                                         updateKeys();\r
 943                                         SkipFrame(1); pframes_done++;\r
 944                                 }\r
 945 \r
 946                                 pframes_done  -= target_fps; if (pframes_done  < 0) pframes_done  = 0;\r
 947                                 pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r
 948                                 if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r
 949                         }\r
 950                         pthissec = tval.tv_sec;\r
 951                 }\r
 952 \r
 953                 lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r
 954                 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
 955                 {\r
 956                         for(i = 0; i < currentConfig.Frameskip; i++) {\r
 957                                 updateKeys();\r
 958                                 SkipFrame(1); pframes_done++; frames_done++;\r
 959                                 if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r
 960                                         gettimeofday(&tval, 0);\r
 961                                         if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
 962                                         if (tval.tv_usec < lim_time) { // we are too fast\r
 963                                                 simpleWait(pthissec, lim_time);\r
 964                                         }\r
 965                                 }\r
 966                                 lim_time += target_frametime;\r
 967                         }\r
 968                 }\r
 969                 else if (tval.tv_usec > lim_time) // auto frameskip\r
 970                 {\r
 971                         // no time left for this frame - skip\r
 972                         if (tval.tv_usec - lim_time >= 300000) {\r
 973                                 /* something caused a slowdown for us (disk access? cache flush?)\r
 974                                  * try to recover by resetting timing... */\r
 975                                 reset_timing = 1;\r
 976                                 continue;\r
 977                         }\r
 978                         updateKeys();\r
 979                         SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r
 980                         continue;\r
 981                 }\r
 982 \r
 983                 updateKeys();\r
 984                 PicoFrame();\r
 985 \r
 986                 // check time\r
 987                 gettimeofday(&tval, 0);\r
 988                 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
 989 \r
 990                 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r
 991                         reset_timing = 1;\r
 992 #if 1\r
 993                 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
 994                 {\r
 995                         // sleep or vsync if we are still too fast\r
 996                         // usleep sleeps for ~20ms minimum, so it is not a solution here\r
 997                         if (!reset_timing && tval.tv_usec < lim_time)\r
 998                         {\r
 999                                 // we are too fast\r
1000                                 if (vsync_offset) {\r
1001                                         if (lim_time - tval.tv_usec > target_frametime/2)\r
1002                                                 simpleWait(pthissec, lim_time - target_frametime/4);\r
1003                                         gp2x_video_wait_vsync();\r
1004                                 } else {\r
1005                                         simpleWait(pthissec, lim_time);\r
1006                                 }\r
1007                         }\r
1008                 }\r
1009 #endif\r
1010                 blit(fpsbuff, notice);\r
1011 \r
1012                 pframes_done++; pframes_shown++;\r
1013                  frames_done++;  frames_shown++;\r
1014         }\r
1015 \r
1016         emu_changeFastForward(0);\r
1017 \r
1018         if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r
1019 \r
1020         // save SRAM\r
1021         if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
1022                 emu_state_cb("Writing SRAM/BRAM..");\r
1023                 emu_SaveLoadGame(0, 1);\r
1024                 SRam.changed = 0;\r
1025         }\r
1026 \r
1027         // if in 8bit mode, generate 16bit image for menu background\r
1028         if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r
1029                 emu_forcedFrame(POPT_EN_SOFTSCALE);\r
1030 }\r
1031 \r
1032 \r
1033 void emu_ResetGame(void)\r
1034 {\r
1035         PicoReset();\r
1036         reset_timing = 1;\r
1037 }\r
1038 \r