gp2x/emu.c

   1 // (c) Copyright 2006-2009 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 <stdarg.h>\r
  12 \r
  13 #include "plat_gp2x.h"\r
  14 #include "soc.h"\r
  15 #include "../common/plat.h"\r
  16 #include "../common/menu.h"\r
  17 #include "../common/arm_utils.h"\r
  18 #include "../common/fonts.h"\r
  19 #include "../common/emu.h"\r
  20 #include "../common/config.h"\r
  21 #include "../common/input.h"\r
  22 #include "../linux/sndout_oss.h"\r
  23 #include "version.h"\r
  24 \r
  25 #include <pico/pico_int.h>\r
  26 #include <pico/patch.h>\r
  27 #include <pico/sound/mix.h>\r
  28 #include <zlib/zlib.h>\r
  29 \r
  30 //#define PFRAMES\r
  31 \r
  32 #ifdef BENCHMARK\r
  33 #define OSD_FPS_X 220\r
  34 #else\r
  35 #define OSD_FPS_X 260\r
  36 #endif\r
  37 \r
  38 \r
  39 extern int crashed_940;\r
  40 \r
  41 static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
  42 static struct timeval noticeMsgTime = { 0, 0 }; // when started showing\r
  43 static int osd_fps_x;\r
  44 static int gp2x_old_gamma = 100;\r
  45 unsigned char *PicoDraw2FB = NULL;  // temporary buffer for alt renderer\r
  46 int reset_timing = 0;\r
  47 \r
  48 #define PICO_PEN_ADJUST_X 4\r
  49 #define PICO_PEN_ADJUST_Y 2\r
  50 static int pico_pen_x = 320/2, pico_pen_y = 240/2;\r
  51 \r
  52 static void emu_msg_cb(const char *msg);\r
  53 static void emu_msg_tray_open(void);\r
  54 \r
  55 \r
  56 void emu_noticeMsgUpdated(void)\r
  57 {\r
  58         gettimeofday(&noticeMsgTime, 0);\r
  59 }\r
  60 \r
  61 int emu_getMainDir(char *dst, int len)\r
  62 {\r
  63         extern char **g_argv;\r
  64         int j;\r
  65 \r
  66         strncpy(dst, g_argv[0], len);\r
  67         len -= 32; // reserve\r
  68         if (len < 0) len = 0;\r
  69         dst[len] = 0;\r
  70         for (j = strlen(dst); j > 0; j--)\r
  71                 if (dst[j] == '/') { dst[j+1] = 0; break; }\r
  72 \r
  73         return j + 1;\r
  74 }\r
  75 \r
  76 void emu_Init(void)\r
  77 {\r
  78         // make temp buffer for alt renderer\r
  79         PicoDraw2FB = malloc((8+320)*(8+240+8));\r
  80         if (!PicoDraw2FB)\r
  81         {\r
  82                 printf("PicoDraw2FB == 0\n");\r
  83         }\r
  84 \r
  85         // make dirs for saves, cfgs, etc.\r
  86         mkdir("mds", 0777);\r
  87         mkdir("srm", 0777);\r
  88         mkdir("brm", 0777);\r
  89         mkdir("cfg", 0777);\r
  90 \r
  91         PicoInit();\r
  92         PicoMessage = emu_msg_cb;\r
  93         PicoMCDopenTray = emu_msg_tray_open;\r
  94         PicoMCDcloseTray = menu_loop_tray;\r
  95 }\r
  96 \r
  97 \r
  98 static void scaling_update(void)\r
  99 {\r
 100         PicoOpt &= ~(POPT_DIS_32C_BORDER|POPT_EN_SOFTSCALE);\r
 101         switch (currentConfig.scaling) {\r
 102                 default:break;\r
 103                 case EOPT_SCALE_HW_H:\r
 104                 case EOPT_SCALE_HW_HV:\r
 105                         PicoOpt |= POPT_DIS_32C_BORDER;\r
 106                         break;\r
 107                 case EOPT_SCALE_SW_H:\r
 108                         PicoOpt |= POPT_EN_SOFTSCALE;\r
 109                         break;\r
 110         }\r
 111 }\r
 112 \r
 113 \r
 114 void emu_Deinit(void)\r
 115 {\r
 116         // save SRAM\r
 117         if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
 118                 emu_SaveLoadGame(0, 1);\r
 119                 SRam.changed = 0;\r
 120         }\r
 121 \r
 122         if (!(currentConfig.EmuOpt & EOPT_NO_AUTOSVCFG))\r
 123                 emu_writelrom();\r
 124 \r
 125         free(PicoDraw2FB);\r
 126 \r
 127         PicoExit();\r
 128 \r
 129         // restore gamma\r
 130         if (gp2x_old_gamma != 100)\r
 131                 set_lcd_gamma(100, 0);\r
 132 }\r
 133 \r
 134 void emu_prepareDefaultConfig(void)\r
 135 {\r
 136         gp2x_soc_t soc;\r
 137 \r
 138         memset(&defaultConfig, 0, sizeof(defaultConfig));\r
 139         defaultConfig.EmuOpt    = 0x9d | EOPT_RAM_TIMINGS | 0x600; // | <- confirm_save, cd_leds\r
 140         defaultConfig.s_PicoOpt = 0x0f | POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_EN_SVP_DRC|POPT_ACC_SPRITES;\r
 141         defaultConfig.s_PsndRate = 44100;\r
 142         defaultConfig.s_PicoRegion = 0; // auto\r
 143         defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP\r
 144         defaultConfig.s_PicoCDBuffers = 0;\r
 145         defaultConfig.Frameskip = -1; // auto\r
 146         defaultConfig.CPUclock = default_cpu_clock;\r
 147         defaultConfig.volume = 50;\r
 148         defaultConfig.gamma = 100;\r
 149         defaultConfig.scaling = 0;\r
 150         defaultConfig.turbo_rate = 15;\r
 151 \r
 152         soc = soc_detect();\r
 153         if (soc == SOCID_MMSP2)\r
 154                 defaultConfig.s_PicoOpt |= POPT_EXT_FM;\r
 155 }\r
 156 \r
 157 static void osd_text(int x, int y, const char *text)\r
 158 {\r
 159         int len = strlen(text)*8;\r
 160         int *p, i, h, offs;\r
 161 \r
 162         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 163                 len = (len+3) >> 2;\r
 164                 for (h = 0; h < 8; h++) {\r
 165                         offs = (x + g_screen_width * (y+h)) & ~3;\r
 166                         p = (int *) ((char *)g_screen_ptr + offs);\r
 167                         for (i = len; i; i--, p++)\r
 168                                 *p = 0xe0e0e0e0;\r
 169                 }\r
 170                 emu_textOut8(x, y, text);\r
 171         } else {\r
 172                 len = (len+1) >> 1;\r
 173                 for (h = 0; h < 8; h++) {\r
 174                         offs = (x + g_screen_width * (y+h)) & ~1;\r
 175                         p = (int *) ((short *)g_screen_ptr + offs);\r
 176                         for (i = len; i; i--, p++)\r
 177                                 *p = (*p >> 2) & 0x39e7;\r
 178                 }\r
 179                 emu_textOut16(x, y, text);\r
 180         }\r
 181 }\r
 182 \r
 183 static void draw_cd_leds(void)\r
 184 {\r
 185 //      static\r
 186         int old_reg;\r
 187 //      if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r
 188         old_reg = Pico_mcd->s68k_regs[0];\r
 189 \r
 190         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 191                 // 8-bit modes\r
 192                 unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
 193                 unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
 194                 *(unsigned int *)((char *)g_screen_ptr + 320*2+ 4) =\r
 195                 *(unsigned int *)((char *)g_screen_ptr + 320*3+ 4) =\r
 196                 *(unsigned int *)((char *)g_screen_ptr + 320*4+ 4) = col_g;\r
 197                 *(unsigned int *)((char *)g_screen_ptr + 320*2+12) =\r
 198                 *(unsigned int *)((char *)g_screen_ptr + 320*3+12) =\r
 199                 *(unsigned int *)((char *)g_screen_ptr + 320*4+12) = col_r;\r
 200         } else {\r
 201                 // 16-bit modes\r
 202                 unsigned int *p = (unsigned int *)((short *)g_screen_ptr + 320*2+4);\r
 203                 unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
 204                 unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
 205                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
 206                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2;\r
 207                 *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
 208         }\r
 209 }\r
 210 \r
 211 static void draw_pico_ptr(void)\r
 212 {\r
 213         unsigned short *p = (unsigned short *)g_screen_ptr;\r
 214 \r
 215         // only if pen enabled and for 16bit modes\r
 216         if (pico_inp_mode == 0 || (PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80)) return;\r
 217 \r
 218         if (!(Pico.video.reg[12]&1) && !(PicoOpt&POPT_DIS_32C_BORDER))\r
 219                 p += 32;\r
 220 \r
 221         p += 320 * (pico_pen_y + PICO_PEN_ADJUST_Y);\r
 222         p += pico_pen_x + PICO_PEN_ADJUST_X;\r
 223         p[0]   ^= 0xffff;\r
 224         p[319] ^= 0xffff;\r
 225         p[320] ^= 0xffff;\r
 226         p[321] ^= 0xffff;\r
 227         p[640] ^= 0xffff;\r
 228 }\r
 229 \r
 230 static int EmuScanBegin16(unsigned int num)\r
 231 {\r
 232         if (!(Pico.video.reg[1]&8)) num += 8;\r
 233         DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;\r
 234 \r
 235         return 0;\r
 236 }\r
 237 \r
 238 static int EmuScanBegin8(unsigned int num)\r
 239 {\r
 240         if (!(Pico.video.reg[1]&8)) num += 8;\r
 241         DrawLineDest = (unsigned char *)  g_screen_ptr + g_screen_width * num;\r
 242 \r
 243         return 0;\r
 244 }\r
 245 \r
 246 int localPal[0x100];\r
 247 static void (*vidCpyM2)(void *dest, void *src) = NULL;\r
 248 \r
 249 static void blit(const char *fps, const char *notice)\r
 250 {\r
 251         int emu_opt = currentConfig.EmuOpt;\r
 252 \r
 253         if (PicoOpt&0x10)\r
 254         {\r
 255                 // 8bit fast renderer\r
 256                 if (Pico.m.dirtyPal) {\r
 257                         Pico.m.dirtyPal = 0;\r
 258                         vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 259                         // feed new palette to our device\r
 260                         gp2x_video_setpalette(localPal, 0x40);\r
 261                 }\r
 262                 // a hack for VR\r
 263                 if (PicoRead16Hook == PicoSVPRead16)\r
 264                         memset32((int *)(PicoDraw2FB+328*8+328*223), 0xe0e0e0e0, 328);\r
 265                 // do actual copy\r
 266                 vidCpyM2((unsigned char *)g_screen_ptr+320*8, PicoDraw2FB+328*8);\r
 267         }\r
 268         else if (!(emu_opt&0x80))\r
 269         {\r
 270                 // 8bit accurate renderer\r
 271                 if (Pico.m.dirtyPal)\r
 272                 {\r
 273                         int pallen = 0xc0;\r
 274                         Pico.m.dirtyPal = 0;\r
 275                         if (Pico.video.reg[0xC]&8) // shadow/hilight mode\r
 276                         {\r
 277                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 278                                 vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);\r
 279                                 vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);\r
 280                                 memcpy32(localPal+0xc0, localPal+0x40, 0x40);\r
 281                                 pallen = 0x100;\r
 282                         }\r
 283                         else if (rendstatus & PDRAW_SONIC_MODE) { // mid-frame palette changes\r
 284                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 285                                 vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);\r
 286                                 vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);\r
 287                         }\r
 288                         else {\r
 289                                 vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 290                                 memcpy32(localPal+0x80, localPal, 0x40); // for spr prio mess\r
 291                         }\r
 292                         if (pallen > 0xc0) {\r
 293                                 localPal[0xc0] = 0x0000c000;\r
 294                                 localPal[0xd0] = 0x00c00000;\r
 295                                 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
 296                                 localPal[0xf0] = 0x00ffffff;\r
 297                         }\r
 298                         gp2x_video_setpalette(localPal, pallen);\r
 299                 }\r
 300         }\r
 301 \r
 302         if (notice || (emu_opt & 2)) {\r
 303                 int h = 232;\r
 304                 if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r
 305                         h -= 8;\r
 306                 if (notice)\r
 307                         osd_text(4, h, notice);\r
 308                 if (emu_opt & 2)\r
 309                         osd_text(osd_fps_x, h, fps);\r
 310         }\r
 311         if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))\r
 312                 draw_cd_leds();\r
 313         if (PicoAHW & PAHW_PICO)\r
 314                 draw_pico_ptr();\r
 315 \r
 316         //gp2x_video_wait_vsync();\r
 317         gp2x_video_flip();\r
 318 \r
 319         if (!(PicoOpt&0x10)) {\r
 320                 if (!(Pico.video.reg[1]&8)) {\r
 321                         if (currentConfig.EmuOpt&0x80) {\r
 322                                 DrawLineDest = (unsigned short *) g_screen_ptr + 320*8;\r
 323                         } else {\r
 324                                 DrawLineDest = (unsigned char  *) g_screen_ptr + 320*8;\r
 325                         }\r
 326                 } else {\r
 327                         DrawLineDest = g_screen_ptr;\r
 328                 }\r
 329         }\r
 330 }\r
 331 \r
 332 \r
 333 // clears whole screen or just the notice area (in all buffers)\r
 334 static void clearArea(int full)\r
 335 {\r
 336         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 337                 // 8-bit renderers\r
 338                 if (full) gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
 339                 else      gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
 340         } else {\r
 341                 // 16bit accurate renderer\r
 342                 if (full) gp2x_memset_all_buffers(0, 0, 320*240*2);\r
 343                 else      gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
 344         }\r
 345 }\r
 346 \r
 347 \r
 348 static void vidResetMode(void)\r
 349 {\r
 350         if (PicoOpt&0x10) {\r
 351                 gp2x_video_changemode(8);\r
 352         } else if (currentConfig.EmuOpt&0x80) {\r
 353                 gp2x_video_changemode(16);\r
 354                 PicoDrawSetColorFormat(1);\r
 355                 PicoScanBegin = EmuScanBegin16;\r
 356         } else {\r
 357                 gp2x_video_changemode(8);\r
 358                 PicoDrawSetColorFormat(2);\r
 359                 PicoScanBegin = EmuScanBegin8;\r
 360         }\r
 361         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 362                 // setup pal for 8-bit modes\r
 363                 localPal[0xc0] = 0x0000c000; // MCD LEDs\r
 364                 localPal[0xd0] = 0x00c00000;\r
 365                 localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
 366                 localPal[0xf0] = 0x00ffffff;\r
 367                 gp2x_video_setpalette(localPal, 0x100);\r
 368                 gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
 369                 gp2x_video_flip();\r
 370         }\r
 371         Pico.m.dirtyPal = 1;\r
 372         // reset scaling\r
 373         if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(Pico.video.reg[1]&8))\r
 374              gp2x_video_RGB_setscaling(8, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 224);\r
 375         else gp2x_video_RGB_setscaling(0, (PicoOpt&0x100)&&!(Pico.video.reg[12]&1) ? 256 : 320, 240);\r
 376 }\r
 377 \r
 378 \r
 379 static void emu_msg_cb(const char *msg)\r
 380 {\r
 381         if ((PicoOpt&0x10)||!(currentConfig.EmuOpt&0x80)) {\r
 382                 // 8-bit renderers\r
 383                 gp2x_memset_all_buffers(320*232, 0xe0, 320*8);\r
 384                 osd_text(4, 232, msg);\r
 385                 gp2x_memcpy_all_buffers((char *)g_screen_ptr+320*232, 320*232, 320*8);\r
 386         } else {\r
 387                 // 16bit accurate renderer\r
 388                 gp2x_memset_all_buffers(320*232*2, 0, 320*8*2);\r
 389                 osd_text(4, 232, msg);\r
 390                 gp2x_memcpy_all_buffers((char *)g_screen_ptr+320*232*2, 320*232*2, 320*8*2);\r
 391         }\r
 392         gettimeofday(&noticeMsgTime, 0);\r
 393         noticeMsgTime.tv_sec -= 2;\r
 394 \r
 395         /* assumption: emu_msg_cb gets called only when something slow is about to happen */\r
 396         reset_timing = 1;\r
 397 }\r
 398 \r
 399 static void emu_state_cb(const char *str)\r
 400 {\r
 401         clearArea(0);\r
 402         blit("", str);\r
 403 }\r
 404 \r
 405 static void emu_msg_tray_open(void)\r
 406 {\r
 407         strcpy(noticeMsg, "CD tray opened");\r
 408         gettimeofday(&noticeMsgTime, 0);\r
 409 }\r
 410 \r
 411 static void RunEventsPico(unsigned int events)\r
 412 {\r
 413         int ret, px, py, lim_x;\r
 414         static int pdown_frames = 0;\r
 415 \r
 416         emu_RunEventsPico(events);\r
 417 \r
 418         if (pico_inp_mode == 0) return;\r
 419 \r
 420         // for F200\r
 421         ret = gp2x_touchpad_read(&px, &py);\r
 422         if (ret >= 0)\r
 423         {\r
 424                 if (ret > 35000)\r
 425                 {\r
 426                         if (pdown_frames++ > 5)\r
 427                                 PicoPad[0] |= 0x20;\r
 428 \r
 429                         pico_pen_x = px;\r
 430                         pico_pen_y = py;\r
 431                         if (!(Pico.video.reg[12]&1)) {\r
 432                                 pico_pen_x -= 32;\r
 433                                 if (pico_pen_x <   0) pico_pen_x = 0;\r
 434                                 if (pico_pen_x > 248) pico_pen_x = 248;\r
 435                         }\r
 436                         if (pico_pen_y > 224) pico_pen_y = 224;\r
 437                 }\r
 438                 else\r
 439                         pdown_frames = 0;\r
 440 \r
 441                 //if (ret == 0)\r
 442                 //      PicoPicohw.pen_pos[0] = PicoPicohw.pen_pos[1] = 0x8000;\r
 443         }\r
 444 \r
 445         if (PicoPad[0] & 1) pico_pen_y--;\r
 446         if (PicoPad[0] & 2) pico_pen_y++;\r
 447         if (PicoPad[0] & 4) pico_pen_x--;\r
 448         if (PicoPad[0] & 8) pico_pen_x++;\r
 449         PicoPad[0] &= ~0x0f; // release UDLR\r
 450 \r
 451         lim_x = (Pico.video.reg[12]&1) ? 319 : 255;\r
 452         if (pico_pen_y < 8) pico_pen_y = 8;\r
 453         if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y;\r
 454         if (pico_pen_x < 0) pico_pen_x = 0;\r
 455         if (pico_pen_x > lim_x-PICO_PEN_ADJUST_X) pico_pen_x = lim_x-PICO_PEN_ADJUST_X;\r
 456 \r
 457         PicoPicohw.pen_pos[0] = pico_pen_x;\r
 458         if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;\r
 459         PicoPicohw.pen_pos[0] += 0x3c;\r
 460         PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);\r
 461 }\r
 462 \r
 463 static void update_volume(int has_changed, int is_up)\r
 464 {\r
 465         static int prev_frame = 0, wait_frames = 0;\r
 466         int vol = currentConfig.volume;\r
 467 \r
 468         if (has_changed)\r
 469         {\r
 470                 if (vol < 5 && (PicoOpt&8) && prev_frame == Pico.m.frame_count - 1 && wait_frames < 12)\r
 471                         wait_frames++;\r
 472                 else {\r
 473                         if (is_up) {\r
 474                                 if (vol < 99) vol++;\r
 475                         } else {\r
 476                                 if (vol >  0) vol--;\r
 477                         }\r
 478                         wait_frames = 0;\r
 479                         sndout_oss_setvol(vol, vol);\r
 480                         currentConfig.volume = vol;\r
 481                 }\r
 482                 sprintf(noticeMsg, "VOL: %02i", vol);\r
 483                 gettimeofday(&noticeMsgTime, 0);\r
 484                 prev_frame = Pico.m.frame_count;\r
 485         }\r
 486 \r
 487         // set the right mixer func\r
 488         if (!(PicoOpt&8)) return; // just use defaults for mono\r
 489         if (vol >= 5)\r
 490                 PsndMix_32_to_16l = mix_32_to_16l_stereo;\r
 491         else {\r
 492                 mix_32_to_16l_level = 5 - vol;\r
 493                 PsndMix_32_to_16l = mix_32_to_16l_stereo_lvl;\r
 494         }\r
 495 }\r
 496 \r
 497 static void RunEvents(unsigned int which)\r
 498 {\r
 499         if (which & 0x1800) // save or load (but not both)\r
 500         {\r
 501                 int do_it = 1;\r
 502                 if ( emu_checkSaveFile(state_slot) &&\r
 503                                 (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load\r
 504                                  (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save\r
 505                 {\r
 506                         const char *nm;\r
 507                         char tmp[64];\r
 508                         int keys, len;\r
 509 \r
 510                         strcpy(tmp, (which & 0x1000) ? "LOAD STATE? " : "OVERWRITE SAVE? ");\r
 511                         len = strlen(tmp);\r
 512                         nm = in_get_key_name(-1, -PBTN_MA3);\r
 513                         snprintf(tmp + len, sizeof(tmp) - len, "(%s=yes, ", nm);\r
 514                         len = strlen(tmp);\r
 515                         nm = in_get_key_name(-1, -PBTN_MBACK);\r
 516                         snprintf(tmp + len, sizeof(tmp) - len, "%s=no)", nm);\r
 517 \r
 518                         blit("", tmp);\r
 519 \r
 520                         in_set_blocking(1);\r
 521                         while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK));   // wait for release\r
 522                         while ( !((keys = in_menu_wait_any(50)) & (PBTN_MA3|PBTN_MBACK)) ); // .. press\r
 523                         if (keys & PBTN_MBACK)\r
 524                                 do_it = 0;\r
 525                         while (in_menu_wait_any(50) & (PBTN_MA3|PBTN_MBACK));   // .. release\r
 526                         in_set_blocking(0);\r
 527 \r
 528                         clearArea(0);\r
 529                 }\r
 530                 if (do_it) {\r
 531                         osd_text(4, 232, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME");\r
 532                         PicoStateProgressCB = emu_state_cb;\r
 533                         gp2x_memcpy_all_buffers(g_screen_ptr, 0, 320*240*2);\r
 534                         emu_SaveLoadGame((which & 0x1000) >> 12, 0);\r
 535                         PicoStateProgressCB = NULL;\r
 536                 }\r
 537 \r
 538                 reset_timing = 1;\r
 539         }\r
 540         if (which & 0x0400) // switch renderer\r
 541         {\r
 542                 if      (  PicoOpt&0x10)             { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }\r
 543                 else if (!(currentConfig.EmuOpt&0x80)) PicoOpt|= 0x10;\r
 544                 else   currentConfig.EmuOpt &= ~0x80;\r
 545 \r
 546                 vidResetMode();\r
 547 \r
 548                 if (PicoOpt&0x10) {\r
 549                         strcpy(noticeMsg, " 8bit fast renderer");\r
 550                 } else if (currentConfig.EmuOpt&0x80) {\r
 551                         strcpy(noticeMsg, "16bit accurate renderer");\r
 552                 } else {\r
 553                         strcpy(noticeMsg, " 8bit accurate renderer");\r
 554                 }\r
 555 \r
 556                 emu_noticeMsgUpdated();\r
 557         }\r
 558         if (which & 0x0300)\r
 559         {\r
 560                 if(which&0x0200) {\r
 561                         state_slot -= 1;\r
 562                         if(state_slot < 0) state_slot = 9;\r
 563                 } else {\r
 564                         state_slot += 1;\r
 565                         if(state_slot > 9) state_slot = 0;\r
 566                 }\r
 567                 sprintf(noticeMsg, "SAVE SLOT %i [%s]", state_slot, emu_checkSaveFile(state_slot) ? "USED" : "FREE");\r
 568                 emu_noticeMsgUpdated();\r
 569         }\r
 570         if (which & 0x0080) {\r
 571                 engineState = PGS_Menu;\r
 572         }\r
 573 }\r
 574 \r
 575 static void updateKeys(void)\r
 576 {\r
 577         unsigned int allActions[2] = { 0, 0 }, events;\r
 578         static unsigned int prevEvents = 0;\r
 579 \r
 580         /* FIXME: player2 */\r
 581         allActions[0] = in_update();\r
 582 \r
 583         PicoPad[0] = allActions[0] & 0xfff;\r
 584         PicoPad[1] = allActions[1] & 0xfff;\r
 585 \r
 586         if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);\r
 587         if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);\r
 588 \r
 589         events = (allActions[0] | allActions[1]) >> 16;\r
 590 \r
 591         // volume is treated in special way and triggered every frame\r
 592         if (events & 0x6000)\r
 593                 update_volume(1, events & 0x2000);\r
 594 \r
 595         if ((events ^ prevEvents) & 0x40) {\r
 596                 emu_changeFastForward(events & 0x40);\r
 597                 update_volume(0, 0);\r
 598                 reset_timing = 1;\r
 599         }\r
 600 \r
 601         events &= ~prevEvents;\r
 602 \r
 603         if (PicoAHW == PAHW_PICO)\r
 604                 RunEventsPico(events);\r
 605         if (events) RunEvents(events);\r
 606         if (movie_data) emu_updateMovie();\r
 607 \r
 608         prevEvents = (allActions[0] | allActions[1]) >> 16;\r
 609 }\r
 610 \r
 611 \r
 612 static void updateSound(int len)\r
 613 {\r
 614         if (PicoOpt&8) len<<=1;\r
 615 \r
 616         /* avoid writing audio when lagging behind to prevent audio lag */\r
 617         if (PicoSkipFrame != 2)\r
 618                 sndout_oss_write(PsndOut, len<<1);\r
 619 }\r
 620 \r
 621 void emu_startSound(void)\r
 622 {\r
 623         static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;\r
 624         int target_fps = Pico.m.pal ? 50 : 60;\r
 625 \r
 626         PsndOut = NULL;\r
 627 \r
 628         // prepare sound stuff\r
 629         if (currentConfig.EmuOpt & 4)\r
 630         {\r
 631                 int snd_excess_add;\r
 632                 if (PsndRate != PsndRate_old || (PicoOpt&0x20b) != (PicoOpt_old&0x20b) || Pico.m.pal != pal_old ||\r
 633                                 ((PicoOpt&0x200) && crashed_940)) {\r
 634                         PsndRerate(Pico.m.frame_count ? 1 : 0);\r
 635                 }\r
 636                 snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;\r
 637                 printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
 638                         PsndRate, PsndLen, snd_excess_add, (PicoOpt&8)>>3, Pico.m.pal);\r
 639                 sndout_oss_start(PsndRate, 16, (PicoOpt&8)>>3);\r
 640                 sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
 641                 PicoWriteSound = updateSound;\r
 642                 update_volume(0, 0);\r
 643                 memset(sndBuffer, 0, sizeof(sndBuffer));\r
 644                 PsndOut = sndBuffer;\r
 645                 PsndRate_old = PsndRate;\r
 646                 PicoOpt_old  = PicoOpt;\r
 647                 pal_old = Pico.m.pal;\r
 648         }\r
 649 }\r
 650 \r
 651 void emu_endSound(void)\r
 652 {\r
 653 }\r
 654 \r
 655 /* wait until we can write more sound */\r
 656 void emu_waitSound(void)\r
 657 {\r
 658         // don't need to do anything, writes will block by themselves\r
 659 }\r
 660 \r
 661 \r
 662 static void SkipFrame(int do_audio)\r
 663 {\r
 664         PicoSkipFrame=do_audio ? 1 : 2;\r
 665         PicoFrame();\r
 666         PicoSkipFrame=0;\r
 667 }\r
 668 \r
 669 \r
 670 void emu_forcedFrame(int opts)\r
 671 {\r
 672         int po_old = PicoOpt;\r
 673         int eo_old = currentConfig.EmuOpt;\r
 674 \r
 675         PicoOpt &= ~0x10;\r
 676         PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r
 677         currentConfig.EmuOpt |= 0x80;\r
 678 \r
 679         //vidResetMode();\r
 680         PicoDrawSetColorFormat(1);\r
 681         PicoScanBegin = EmuScanBegin16;\r
 682         Pico.m.dirtyPal = 1;\r
 683         PicoFrameDrawOnly();\r
 684 \r
 685 /*\r
 686         if (!(Pico.video.reg[12]&1)) {\r
 687                 vidCpyM2 = vidCpyM2_32col;\r
 688                 clearArea(1);\r
 689         } else  vidCpyM2 = vidCpyM2_40col;\r
 690 \r
 691         vidCpyM2((unsigned char *)g_screen_ptr+320*8, PicoDraw2FB+328*8);\r
 692         vidConvCpyRGB32(localPal, Pico.cram, 0x40);\r
 693         gp2x_video_setpalette(localPal, 0x40);\r
 694 */\r
 695         PicoOpt = po_old;\r
 696         currentConfig.EmuOpt = eo_old;\r
 697 }\r
 698 \r
 699 void emu_platformDebugCat(char *str)\r
 700 {\r
 701         // nothing\r
 702 }\r
 703 \r
 704 static void simpleWait(int thissec, int lim_time)\r
 705 {\r
 706         struct timeval tval;\r
 707 \r
 708         spend_cycles(1024);\r
 709         gettimeofday(&tval, 0);\r
 710         if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
 711 \r
 712         while (tval.tv_usec < lim_time)\r
 713         {\r
 714                 spend_cycles(1024);\r
 715                 gettimeofday(&tval, 0);\r
 716                 if (thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
 717         }\r
 718 }\r
 719 \r
 720 \r
 721 #if 0\r
 722 static void tga_dump(void)\r
 723 {\r
 724 #define BYTE unsigned char\r
 725 #define WORD unsigned short\r
 726         struct\r
 727         {\r
 728                 BYTE IDLength;        /* 00h  Size of Image ID field */\r
 729                 BYTE ColorMapType;    /* 01h  Color map type */\r
 730                 BYTE ImageType;       /* 02h  Image type code */\r
 731                 WORD CMapStart;       /* 03h  Color map origin */\r
 732                 WORD CMapLength;      /* 05h  Color map length */\r
 733                 BYTE CMapDepth;       /* 07h  Depth of color map entries */\r
 734                 WORD XOffset;         /* 08h  X origin of image */\r
 735                 WORD YOffset;         /* 0Ah  Y origin of image */\r
 736                 WORD Width;           /* 0Ch  Width of image */\r
 737                 WORD Height;          /* 0Eh  Height of image */\r
 738                 BYTE PixelDepth;      /* 10h  Image pixel size */\r
 739                 BYTE ImageDescriptor; /* 11h  Image descriptor byte */\r
 740         } __attribute__((packed)) TGAHEAD;\r
 741         static unsigned short oldscr[320*240];\r
 742         FILE *f; char name[128]; int i;\r
 743 \r
 744         memset(&TGAHEAD, 0, sizeof(TGAHEAD));\r
 745         TGAHEAD.ImageType = 2;\r
 746         TGAHEAD.Width = 320;\r
 747         TGAHEAD.Height = 240;\r
 748         TGAHEAD.PixelDepth = 16;\r
 749         TGAHEAD.ImageDescriptor = 2<<4; // image starts at top-left\r
 750 \r
 751 #define CONV(X) (((X>>1)&0x7fe0)|(X&0x1f)) // 555?\r
 752 \r
 753         for (i = 0; i < 320*240; i++)\r
 754                 if(oldscr[i] != CONV(((unsigned short *)g_screen_ptr)[i])) break;\r
 755         if (i < 320*240)\r
 756         {\r
 757                 for (i = 0; i < 320*240; i++)\r
 758                         oldscr[i] = CONV(((unsigned short *)g_screen_ptr)[i]);\r
 759                 sprintf(name, "%05i.tga", Pico.m.frame_count);\r
 760                 f = fopen(name, "wb");\r
 761                 if (!f) { printf("!f\n"); exit(1); }\r
 762                 fwrite(&TGAHEAD, 1, sizeof(TGAHEAD), f);\r
 763                 fwrite(oldscr, 1, 320*240*2, f);\r
 764                 fclose(f);\r
 765         }\r
 766 }\r
 767 #endif\r
 768 \r
 769 \r
 770 void emu_Loop(void)\r
 771 {\r
 772         static int gp2x_old_clock = -1, EmuOpt_old = 0;\r
 773         char fpsbuff[24]; // fps count c string\r
 774         struct timeval tval; // timing\r
 775         int pframes_done, pframes_shown, pthissec; // "period" frames, used for sync\r
 776         int  frames_done,  frames_shown,  thissec; // actual frames\r
 777         int oldmodes = 0, target_fps, target_frametime, lim_time, vsync_offset, i;\r
 778         char *notice = 0;\r
 779 \r
 780         printf("entered emu_Loop()\n");\r
 781 \r
 782         if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_RAM_TIMINGS) {\r
 783                 if (currentConfig.EmuOpt & EOPT_RAM_TIMINGS)\r
 784                         set_ram_timings();\r
 785                 else\r
 786                         unset_ram_timings();\r
 787         }\r
 788 \r
 789         if (gp2x_old_clock < 0)\r
 790                 gp2x_old_clock = default_cpu_clock;\r
 791         if (gp2x_old_clock != currentConfig.CPUclock) {\r
 792                 printf("changing clock to %i...", currentConfig.CPUclock); fflush(stdout);\r
 793                 gp2x_set_cpuclk(currentConfig.CPUclock);\r
 794                 gp2x_old_clock = currentConfig.CPUclock;\r
 795                 printf(" done\n");\r
 796         }\r
 797 \r
 798         if (gp2x_old_gamma != currentConfig.gamma || (EmuOpt_old&0x1000) != (currentConfig.EmuOpt&0x1000)) {\r
 799                 set_lcd_gamma(currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
 800                 gp2x_old_gamma = currentConfig.gamma;\r
 801                 printf("updated gamma to %i, A_SN's curve: %i\n", currentConfig.gamma, !!(currentConfig.EmuOpt&0x1000));\r
 802         }\r
 803 \r
 804         if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_PSYNC) {\r
 805                 if (currentConfig.EmuOpt & EOPT_PSYNC)\r
 806                         set_lcd_custom_rate(Pico.m.pal);\r
 807                 else\r
 808                         unset_lcd_custom_rate();\r
 809         }\r
 810 \r
 811         if ((EmuOpt_old ^ currentConfig.EmuOpt) & EOPT_MMUHACK)\r
 812                 gp2x_make_fb_bufferable(currentConfig.EmuOpt & EOPT_MMUHACK);\r
 813 \r
 814         EmuOpt_old = currentConfig.EmuOpt;\r
 815         fpsbuff[0] = 0;\r
 816 \r
 817         // make sure we are in correct mode\r
 818         vidResetMode();\r
 819         scaling_update();\r
 820         Pico.m.dirtyPal = 1;\r
 821         oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;\r
 822 \r
 823         // pal/ntsc might have changed, reset related stuff\r
 824         target_fps = Pico.m.pal ? 50 : 60;\r
 825         target_frametime = 1000000/target_fps;\r
 826         reset_timing = 1;\r
 827 \r
 828         emu_startSound();\r
 829 \r
 830         // prepare CD buffer\r
 831         if (PicoAHW & PAHW_MCD) PicoCDBufferInit();\r
 832 \r
 833         // calc vsync offset to sync timing code with vsync\r
 834         if (currentConfig.EmuOpt&0x2000) {\r
 835                 gettimeofday(&tval, 0);\r
 836                 gp2x_video_wait_vsync();\r
 837                 gettimeofday(&tval, 0);\r
 838                 vsync_offset = tval.tv_usec;\r
 839                 while (vsync_offset >= target_frametime)\r
 840                         vsync_offset -= target_frametime;\r
 841                 if (!vsync_offset) vsync_offset++;\r
 842                 printf("vsync_offset: %i\n", vsync_offset);\r
 843         } else\r
 844                 vsync_offset = 0;\r
 845 \r
 846         frames_done = frames_shown = thissec =\r
 847         pframes_done = pframes_shown = pthissec = 0;\r
 848 \r
 849         // loop\r
 850         while (engineState == PGS_Running)\r
 851         {\r
 852                 int modes;\r
 853 \r
 854                 gettimeofday(&tval, 0);\r
 855                 if (reset_timing) {\r
 856                         reset_timing = 0;\r
 857                         pthissec = tval.tv_sec;\r
 858                         pframes_shown = pframes_done = tval.tv_usec/target_frametime;\r
 859                 }\r
 860 \r
 861                 // show notice message?\r
 862                 if (noticeMsgTime.tv_sec)\r
 863                 {\r
 864                         static int noticeMsgSum;\r
 865                         if((tval.tv_sec*1000000+tval.tv_usec) - (noticeMsgTime.tv_sec*1000000+noticeMsgTime.tv_usec) > 2000000) { // > 2.0 sec\r
 866                                 noticeMsgTime.tv_sec = noticeMsgTime.tv_usec = 0;\r
 867                                 clearArea(0);\r
 868                                 notice = 0;\r
 869                         } else {\r
 870                                 int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];\r
 871                                 if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }\r
 872                                 notice = noticeMsg;\r
 873                         }\r
 874                 }\r
 875 \r
 876                 // check for mode changes\r
 877                 modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);\r
 878                 if (modes != oldmodes)\r
 879                 {\r
 880                         int scalex = 320;\r
 881                         osd_fps_x = OSD_FPS_X;\r
 882                         if (modes & 4) {\r
 883                                 vidCpyM2 = vidCpyM2_40col;\r
 884                         } else {\r
 885                                 if (PicoOpt & 0x100) {\r
 886                                         vidCpyM2 = vidCpyM2_32col_nobord;\r
 887                                         scalex = 256;\r
 888                                         osd_fps_x = OSD_FPS_X - 64;\r
 889                                 } else {\r
 890                                         vidCpyM2 = vidCpyM2_32col;\r
 891                                 }\r
 892                         }\r
 893                         /* want vertical scaling and game is not in 240 line mode */\r
 894                         if (currentConfig.scaling == EOPT_SCALE_HW_HV && !(modes&8))\r
 895                              gp2x_video_RGB_setscaling(8, scalex, 224);\r
 896                         else gp2x_video_RGB_setscaling(0, scalex, 240);\r
 897                         oldmodes = modes;\r
 898                         clearArea(1);\r
 899                 }\r
 900 \r
 901                 // second changed?\r
 902                 if (thissec != tval.tv_sec)\r
 903                 {\r
 904 #ifdef BENCHMARK\r
 905                         static int bench = 0, bench_fps = 0, bench_fps_s = 0, bfp = 0, bf[4];\r
 906                         if (++bench == 10) {\r
 907                                 bench = 0;\r
 908                                 bench_fps_s = bench_fps;\r
 909                                 bf[bfp++ & 3] = bench_fps;\r
 910                                 bench_fps = 0;\r
 911                         }\r
 912                         bench_fps += frames_shown;\r
 913                         sprintf(fpsbuff, "%02i/%02i/%02i", frames_shown, bench_fps_s, (bf[0]+bf[1]+bf[2]+bf[3])>>2);\r
 914 #else\r
 915                         if (currentConfig.EmuOpt & 2) {\r
 916                                 sprintf(fpsbuff, "%02i/%02i", frames_shown, frames_done);\r
 917                                 if (fpsbuff[5] == 0) { fpsbuff[5] = fpsbuff[6] = ' '; fpsbuff[7] = 0; }\r
 918                         }\r
 919 #endif\r
 920                         frames_shown = frames_done = 0;\r
 921                         thissec = tval.tv_sec;\r
 922                 }\r
 923 #ifdef PFRAMES\r
 924                 sprintf(fpsbuff, "%i", Pico.m.frame_count);\r
 925 #endif\r
 926 \r
 927                 if (pthissec != tval.tv_sec)\r
 928                 {\r
 929                         if (PsndOut == 0 && currentConfig.Frameskip >= 0) {\r
 930                                 pframes_done = pframes_shown = 0;\r
 931                         } else {\r
 932                                 // it is quite common for this implementation to leave 1 fame unfinished\r
 933                                 // when second changes, but we don't want buffer to starve.\r
 934                                 if(PsndOut && pframes_done < target_fps && pframes_done > target_fps-5) {\r
 935                                         updateKeys();\r
 936                                         SkipFrame(1); pframes_done++;\r
 937                                 }\r
 938 \r
 939                                 pframes_done  -= target_fps; if (pframes_done  < 0) pframes_done  = 0;\r
 940                                 pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;\r
 941                                 if (pframes_shown > pframes_done) pframes_shown = pframes_done;\r
 942                         }\r
 943                         pthissec = tval.tv_sec;\r
 944                 }\r
 945 \r
 946                 lim_time = (pframes_done+1) * target_frametime + vsync_offset;\r
 947                 if (currentConfig.Frameskip >= 0) // frameskip enabled\r
 948                 {\r
 949                         for(i = 0; i < currentConfig.Frameskip; i++) {\r
 950                                 updateKeys();\r
 951                                 SkipFrame(1); pframes_done++; frames_done++;\r
 952                                 if (PsndOut && !reset_timing) { // do framelimitting if sound is enabled\r
 953                                         gettimeofday(&tval, 0);\r
 954                                         if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
 955                                         if (tval.tv_usec < lim_time) { // we are too fast\r
 956                                                 simpleWait(pthissec, lim_time);\r
 957                                         }\r
 958                                 }\r
 959                                 lim_time += target_frametime;\r
 960                         }\r
 961                 }\r
 962                 else if (tval.tv_usec > lim_time) // auto frameskip\r
 963                 {\r
 964                         // no time left for this frame - skip\r
 965                         if (tval.tv_usec - lim_time >= 300000) {\r
 966                                 /* something caused a slowdown for us (disk access? cache flush?)\r
 967                                  * try to recover by resetting timing... */\r
 968                                 reset_timing = 1;\r
 969                                 continue;\r
 970                         }\r
 971                         updateKeys();\r
 972                         SkipFrame(tval.tv_usec < lim_time+target_frametime*2); pframes_done++; frames_done++;\r
 973                         continue;\r
 974                 }\r
 975 \r
 976                 updateKeys();\r
 977                 PicoFrame();\r
 978 \r
 979                 // check time\r
 980                 gettimeofday(&tval, 0);\r
 981                 if (pthissec != tval.tv_sec) tval.tv_usec+=1000000;\r
 982 \r
 983                 if (currentConfig.Frameskip < 0 && tval.tv_usec - lim_time >= 300000) // slowdown detection\r
 984                         reset_timing = 1;\r
 985                 else if (PsndOut != NULL || currentConfig.Frameskip < 0)\r
 986                 {\r
 987                         // sleep or vsync if we are still too fast\r
 988                         // usleep sleeps for ~20ms minimum, so it is not a solution here\r
 989                         if (!reset_timing && tval.tv_usec < lim_time)\r
 990                         {\r
 991                                 // we are too fast\r
 992                                 if (vsync_offset) {\r
 993                                         if (lim_time - tval.tv_usec > target_frametime/2)\r
 994                                                 simpleWait(pthissec, lim_time - target_frametime/4);\r
 995                                         gp2x_video_wait_vsync();\r
 996                                 } else {\r
 997                                         simpleWait(pthissec, lim_time);\r
 998                                 }\r
 999                         }\r
1000                 }\r
1001 \r
1002                 blit(fpsbuff, notice);\r
1003 \r
1004                 pframes_done++; pframes_shown++;\r
1005                  frames_done++;  frames_shown++;\r
1006         }\r
1007 \r
1008         emu_changeFastForward(0);\r
1009 \r
1010         if (PicoAHW & PAHW_MCD) PicoCDBufferFree();\r
1011 \r
1012         // save SRAM\r
1013         if((currentConfig.EmuOpt & 1) && SRam.changed) {\r
1014                 emu_state_cb("Writing SRAM/BRAM..");\r
1015                 emu_SaveLoadGame(0, 1);\r
1016                 SRam.changed = 0;\r
1017         }\r
1018 \r
1019         // if in 8bit mode, generate 16bit image for menu background\r
1020         if ((PicoOpt&0x10) || !(currentConfig.EmuOpt&0x80))\r
1021                 emu_forcedFrame(POPT_EN_SOFTSCALE);\r
1022 }\r
1023 \r
1024 \r
1025 void emu_ResetGame(void)\r
1026 {\r
1027         PicoReset();\r
1028         reset_timing = 1;\r
1029 }\r
1030 \r
1031 const char *plat_get_credits(void)\r
1032 {\r
1033         return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r
1034                 "Credits:\n"\r
1035                 "fDave: Cyclone 68000 core,\n"\r
1036                 "      base code of PicoDrive\n"\r
1037                 "Reesy & FluBBa: DrZ80 core\n"\r
1038                 "MAME devs: YM2612 and SN76496 cores\n"\r
1039                 "rlyeh and others: minimal SDK\n"\r
1040                 "Squidge: mmuhack\n"\r
1041                 "Dzz: ARM940 sample\n"\r
1042                 "GnoStiC / Puck2099: USB joy code\n"\r
1043                 "craigix: GP2X hardware\n"\r
1044                 "ketchupgun: skin design\n"\r
1045                 "\n"\r
1046                 "special thanks (for docs, ideas):\n"\r
1047                 " Charles MacDonald, Haze,\n"\r
1048                 " Stephane Dallongeville,\n"\r
1049                 " Lordus, Exophase, Rokas,\n"\r
1050                 " Nemesis, Tasco Deluxe";\r
1051 }\r