platform/gp2x/menu.c

   1 // (c) Copyright 2006,2007 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 <string.h>\r
   8 #include <stdlib.h>\r
   9 #include <stdarg.h>\r
  10 #include <unistd.h>\r
  11 #include <dirent.h>\r
  12 \r
  13 #include "gp2x.h"\r
  14 #include "emu.h"\r
  15 #include "menu.h"\r
  16 #include "usbjoy.h"\r
  17 #include "../common/arm_utils.h"\r
  18 #include "../common/menu.h"\r
  19 #include "../common/readpng.h"\r
  20 #include "version.h"\r
  21 \r
  22 #include <Pico/PicoInt.h>\r
  23 #include <Pico/Patch.h>\r
  24 #include <zlib/zlib.h>\r
  25 \r
  26 #ifndef _DIRENT_HAVE_D_TYPE\r
  27 #error "need d_type for file browser\r
  28 #endif\r
  29 \r
  30 extern char romFileName[PATH_MAX];\r
  31 extern char *rom_data;\r
  32 extern int  mmuhack_status;\r
  33 extern int  state_slot;\r
  34 extern int  config_slot, config_slot_current;\r
  35 \r
  36 static const char *gp2xKeyNames[] = {\r
  37         "UP",    "???",    "LEFT", "???",  "DOWN", "???", "RIGHT",    "???",\r
  38         "START", "SELECT", "L",    "R",    "A",    "B",   "X",        "Y",\r
  39         "???",   "???",    "???",  "???",  "???",  "???", "VOL DOWN", "VOL UP",\r
  40         "???",   "???",    "???",  "PUSH", "???",  "???", "???",      "???"\r
  41 };\r
  42 \r
  43 char menuErrorMsg[40] = {0, };\r
  44 \r
  45 static void menu_darken_bg(void *dst, int pixels, int darker);\r
  46 static void menu_prepare_bg(int use_game_bg);\r
  47 \r
  48 static unsigned long inp_prev = 0;\r
  49 static int inp_prevjoy = 0;\r
  50 \r
  51 static unsigned long wait_for_input(unsigned long interesting)\r
  52 {\r
  53         unsigned long ret;\r
  54         static int repeats = 0, wait = 50*1000;\r
  55         int release = 0, i;\r
  56 \r
  57         if (repeats == 2 || repeats == 4) wait /= 2;\r
  58         if (repeats == 6) wait = 15 * 1000;\r
  59 \r
  60         for (i = 0; i < 6 && inp_prev == gp2x_joystick_read(1); i++) {\r
  61                 if (i == 0) repeats++;\r
  62                 if (wait >= 30*1000) usleep(wait); // usleep sleeps for ~30ms minimum\r
  63                 else spend_cycles(wait * currentConfig.CPUclock);\r
  64         }\r
  65 \r
  66         while ( !((ret = gp2x_joystick_read(1)) & interesting) ) {\r
  67                 usleep(50000);\r
  68                 release = 1;\r
  69         }\r
  70 \r
  71         if (release || ret != inp_prev) {\r
  72                 repeats = 0;\r
  73                 wait = 50*1000;\r
  74         }\r
  75         inp_prev = ret;\r
  76         inp_prevjoy = 0;\r
  77 \r
  78         // we don't need diagonals in menus\r
  79         if ((ret&GP2X_UP)   && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
  80         if ((ret&GP2X_UP)   && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
  81         if ((ret&GP2X_DOWN) && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
  82         if ((ret&GP2X_DOWN) && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
  83 \r
  84         return ret;\r
  85 }\r
  86 \r
  87 static unsigned long input2_read(unsigned long interesting, int *joy)\r
  88 {\r
  89         unsigned long ret;\r
  90         int i;\r
  91 \r
  92         do\r
  93         {\r
  94                 *joy = 0;\r
  95                 if ((ret = gp2x_joystick_read(0) & interesting)) break;\r
  96                 gp2x_usbjoy_update();\r
  97                 for (i = 0; i < num_of_joys; i++) {\r
  98                         ret = gp2x_usbjoy_check2(i);\r
  99                         if (ret) { *joy = i + 1; break; }\r
 100                 }\r
 101                 if (ret) break;\r
 102         }\r
 103         while(0);\r
 104 \r
 105         return ret;\r
 106 }\r
 107 \r
 108 // similar to wait_for_input(), but returns joy num\r
 109 static unsigned long wait_for_input_usbjoy(unsigned long interesting, int *joy)\r
 110 {\r
 111         unsigned long ret;\r
 112         const int wait = 300*1000;\r
 113         int i;\r
 114 \r
 115         if (inp_prevjoy == 0) inp_prev &= interesting;\r
 116         for (i = 0; i < 6; i++) {\r
 117                 ret = input2_read(interesting, joy);\r
 118                 if (*joy != inp_prevjoy || ret != inp_prev) break;\r
 119                 usleep(wait/6);\r
 120         }\r
 121 \r
 122         while ( !(ret = input2_read(interesting, joy)) ) {\r
 123                 usleep(50000);\r
 124         }\r
 125 \r
 126         inp_prev = ret;\r
 127         inp_prevjoy = *joy;\r
 128 \r
 129         return ret;\r
 130 }\r
 131 \r
 132 static void menu_flip(void)\r
 133 {\r
 134         gp2x_video_flush_cache();\r
 135         gp2x_video_flip2();\r
 136 }\r
 137 \r
 138 \r
 139 // --------- loading ROM screen ----------\r
 140 \r
 141 static void load_progress_cb(int percent)\r
 142 {\r
 143         int ln, len = percent * 320 / 100;\r
 144         unsigned short *dst = (unsigned short *)gp2x_screen + 320*20;\r
 145 \r
 146         if (len > 320) len = 320;\r
 147         for (ln = 10; ln > 0; ln--, dst += 320)\r
 148                 memset(dst, 0xff, len*2);\r
 149         menu_flip();\r
 150 }\r
 151 \r
 152 void menu_romload_prepare(const char *rom_name)\r
 153 {\r
 154         const char *p = rom_name + strlen(rom_name);\r
 155         while (p > rom_name && *p != '/') p--;\r
 156 \r
 157         if (rom_data) gp2x_pd_clone_buffer2();\r
 158         else memset(gp2x_screen, 0, 320*240*2);\r
 159 \r
 160         smalltext_out16(1, 1, "Loading", 0xffff);\r
 161         smalltext_out16_lim(1, 10, p, 0xffff, 53);\r
 162         gp2x_memcpy_buffers(3, gp2x_screen, 0, 320*240*2);\r
 163         menu_flip();\r
 164         PicoCartLoadProgressCB = load_progress_cb;\r
 165 }\r
 166 \r
 167 void menu_romload_end(void)\r
 168 {\r
 169         PicoCartLoadProgressCB = NULL;\r
 170         smalltext_out16(1, 30, "Starting emulation...", 0xffff);\r
 171         menu_flip();\r
 172 }\r
 173 \r
 174 // -------------- ROM selector --------------\r
 175 \r
 176 // rrrr rggg gggb bbbb\r
 177 static unsigned short file2color(const char *fname)\r
 178 {\r
 179         const char *ext = fname + strlen(fname) - 3;\r
 180         static const char *rom_exts[]   = { "zip", "bin", "smd", "gen", "iso" };\r
 181         static const char *other_exts[] = { "gmv", "pat" };\r
 182         int i;\r
 183 \r
 184         if (ext < fname) ext = fname;\r
 185         for (i = 0; i < sizeof(rom_exts)/sizeof(rom_exts[0]); i++)\r
 186                 if (strcasecmp(ext, rom_exts[i]) == 0) return 0xbdff;\r
 187         for (i = 0; i < sizeof(other_exts)/sizeof(other_exts[0]); i++)\r
 188                 if (strcasecmp(ext, other_exts[i]) == 0) return 0xaff5;\r
 189         return 0xffff;\r
 190 }\r
 191 \r
 192 static void draw_dirlist(char *curdir, struct dirent **namelist, int n, int sel)\r
 193 {\r
 194         int start, i, pos;\r
 195 \r
 196         start = 12 - sel;\r
 197         n--; // exclude current dir (".")\r
 198 \r
 199         gp2x_pd_clone_buffer2();\r
 200 \r
 201         if (rom_data == NULL) {\r
 202                 menu_darken_bg(gp2x_screen, 320*240, 0);\r
 203         }\r
 204 \r
 205         menu_darken_bg((char *)gp2x_screen + 320*120*2, 320*8, 0);\r
 206 \r
 207         if(start - 2 >= 0)\r
 208                 smalltext_out16_lim(14, (start - 2)*10, curdir, 0xffff, 53-2);\r
 209         for (i = 0; i < n; i++) {\r
 210                 pos = start + i;\r
 211                 if (pos < 0)  continue;\r
 212                 if (pos > 23) break;\r
 213                 if (namelist[i+1]->d_type == DT_DIR) {\r
 214                         smalltext_out16_lim(14,   pos*10, "/", 0xfff6, 1);\r
 215                         smalltext_out16_lim(14+6, pos*10, namelist[i+1]->d_name, 0xfff6, 53-3);\r
 216                 } else {\r
 217                         unsigned short color = file2color(namelist[i+1]->d_name);\r
 218                         smalltext_out16_lim(14,   pos*10, namelist[i+1]->d_name, color, 53-2);\r
 219                 }\r
 220         }\r
 221         text_out16(5, 120, ">");\r
 222         menu_flip();\r
 223 }\r
 224 \r
 225 static int scandir_cmp(const void *p1, const void *p2)\r
 226 {\r
 227         struct dirent **d1 = (struct dirent **)p1, **d2 = (struct dirent **)p2;\r
 228         if ((*d1)->d_type == (*d2)->d_type) return alphasort(d1, d2);\r
 229         if ((*d1)->d_type == DT_DIR) return -1; // put before\r
 230         if ((*d2)->d_type == DT_DIR) return  1;\r
 231         return alphasort(d1, d2);\r
 232 }\r
 233 \r
 234 static char *filter_exts[] = {\r
 235         ".mp3", ".MP3", ".srm", ".brm", "s.gz", ".mds", "bcfg", ".txt", ".htm", "html",\r
 236         ".jpg", ".gpe", ".cue"\r
 237 };\r
 238 \r
 239 static int scandir_filter(const struct dirent *ent)\r
 240 {\r
 241         const char *p;\r
 242         int i;\r
 243 \r
 244         if (ent == NULL || ent->d_name == NULL) return 0;\r
 245         if (strlen(ent->d_name) < 5) return 1;\r
 246 \r
 247         p = ent->d_name + strlen(ent->d_name) - 4;\r
 248 \r
 249         for (i = 0; i < sizeof(filter_exts)/sizeof(filter_exts[0]); i++)\r
 250         {\r
 251                 if (strcmp(p, filter_exts[i]) == 0) return 0;\r
 252         }\r
 253 \r
 254         return 1;\r
 255 }\r
 256 \r
 257 static char *romsel_loop(char *curr_path)\r
 258 {\r
 259         struct dirent **namelist;\r
 260         DIR *dir;\r
 261         int n, sel = 0;\r
 262         unsigned long inp = 0;\r
 263         char *ret = NULL, *fname = NULL;\r
 264 \r
 265         // is this a dir or a full path?\r
 266         if ((dir = opendir(curr_path))) {\r
 267                 closedir(dir);\r
 268         } else {\r
 269                 char *p;\r
 270                 for (p = curr_path + strlen(curr_path) - 1; p > curr_path && *p != '/'; p--);\r
 271                 *p = 0;\r
 272                 fname = p+1;\r
 273         }\r
 274 \r
 275         n = scandir(curr_path, &namelist, scandir_filter, scandir_cmp);\r
 276         if (n < 0) {\r
 277                 // try root\r
 278                 n = scandir("/", &namelist, scandir_filter, scandir_cmp);\r
 279                 if (n < 0) {\r
 280                         // oops, we failed\r
 281                         printf("dir: "); printf(curr_path); printf("\n");\r
 282                         perror("scandir");\r
 283                         return NULL;\r
 284                 }\r
 285         }\r
 286 \r
 287         // try to find sel\r
 288         if (fname != NULL) {\r
 289                 int i;\r
 290                 for (i = 1; i < n; i++) {\r
 291                         if (strcmp(namelist[i]->d_name, fname) == 0) {\r
 292                                 sel = i - 1;\r
 293                                 break;\r
 294                         }\r
 295                 }\r
 296         }\r
 297 \r
 298         for (;;)\r
 299         {\r
 300                 draw_dirlist(curr_path, namelist, n, sel);\r
 301                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 302                 if(inp & GP2X_UP  )  { sel--;   if (sel < 0)   sel = n-2; }\r
 303                 if(inp & GP2X_DOWN)  { sel++;   if (sel > n-2) sel = 0; }\r
 304                 if(inp & GP2X_LEFT)  { sel-=10; if (sel < 0)   sel = 0; }\r
 305                 if(inp & GP2X_L)     { sel-=24; if (sel < 0)   sel = 0; }\r
 306                 if(inp & GP2X_RIGHT) { sel+=10; if (sel > n-2) sel = n-2; }\r
 307                 if(inp & GP2X_R)     { sel+=24; if (sel > n-2) sel = n-2; }\r
 308                 if(inp & GP2X_B)     { // enter dir/select\r
 309                         again:\r
 310                         if (namelist[sel+1]->d_type == DT_REG) {\r
 311                                 strcpy(romFileName, curr_path);\r
 312                                 strcat(romFileName, "/");\r
 313                                 strcat(romFileName, namelist[sel+1]->d_name);\r
 314                                 ret = romFileName;\r
 315                                 break;\r
 316                         } else if (namelist[sel+1]->d_type == DT_DIR) {\r
 317                                 int newlen = strlen(curr_path) + strlen(namelist[sel+1]->d_name) + 2;\r
 318                                 char *p, *newdir = malloc(newlen);\r
 319                                 if (strcmp(namelist[sel+1]->d_name, "..") == 0) {\r
 320                                         char *start = curr_path;\r
 321                                         p = start + strlen(start) - 1;\r
 322                                         while (*p == '/' && p > start) p--;\r
 323                                         while (*p != '/' && p > start) p--;\r
 324                                         if (p <= start) strcpy(newdir, "/");\r
 325                                         else { strncpy(newdir, start, p-start); newdir[p-start] = 0; }\r
 326                                 } else {\r
 327                                         strcpy(newdir, curr_path);\r
 328                                         p = newdir + strlen(newdir) - 1;\r
 329                                         while (*p == '/' && p >= newdir) *p-- = 0;\r
 330                                         strcat(newdir, "/");\r
 331                                         strcat(newdir, namelist[sel+1]->d_name);\r
 332                                 }\r
 333                                 ret = romsel_loop(newdir);\r
 334                                 free(newdir);\r
 335                                 break;\r
 336                         } else {\r
 337                                 // unknown file type, happens on NTFS mounts. Try to guess.\r
 338                                 FILE *tstf; int tmp;\r
 339                                 strcpy(romFileName, curr_path);\r
 340                                 strcat(romFileName, "/");\r
 341                                 strcat(romFileName, namelist[sel+1]->d_name);\r
 342                                 tstf = fopen(romFileName, "rb");\r
 343                                 if (tstf != NULL)\r
 344                                 {\r
 345                                         if (fread(&tmp, 1, 1, tstf) > 0 || ferror(tstf) == 0)\r
 346                                                 namelist[sel+1]->d_type = DT_REG;\r
 347                                         else    namelist[sel+1]->d_type = DT_DIR;\r
 348                                         fclose(tstf);\r
 349                                         goto again;\r
 350                                 }\r
 351                         }\r
 352                 }\r
 353                 if(inp & GP2X_X) break; // cancel\r
 354         }\r
 355 \r
 356         if (n > 0) {\r
 357                 while(n--) free(namelist[n]);\r
 358                 free(namelist);\r
 359         }\r
 360 \r
 361         return ret;\r
 362 }\r
 363 \r
 364 // ------------ debug menu ------------\r
 365 \r
 366 char *debugString(void);\r
 367 \r
 368 static void draw_debug(void)\r
 369 {\r
 370         char *p, *str = debugString();\r
 371         int len, line;\r
 372 \r
 373         gp2x_pd_clone_buffer2();\r
 374 \r
 375         p = str;\r
 376         for (line = 0; line < 24; line++)\r
 377         {\r
 378                 while (*p && *p != '\n') p++;\r
 379                 len = p - str;\r
 380                 if (len > 55) len = 55;\r
 381                 smalltext_out16_lim(1, line*10, str, 0xffff, len);\r
 382                 if (*p == 0) break;\r
 383                 p++; str = p;\r
 384         }\r
 385         menu_flip();\r
 386 }\r
 387 \r
 388 static void debug_menu_loop(void)\r
 389 {\r
 390         draw_debug();\r
 391         wait_for_input(GP2X_B|GP2X_X);\r
 392 }\r
 393 \r
 394 // ------------ patch/gg menu ------------\r
 395 \r
 396 static void draw_patchlist(int sel)\r
 397 {\r
 398         int start, i, pos, active;\r
 399 \r
 400         start = 12 - sel;\r
 401 \r
 402         gp2x_pd_clone_buffer2();\r
 403 \r
 404         for (i = 0; i < PicoPatchCount; i++) {\r
 405                 pos = start + i;\r
 406                 if (pos < 0)  continue;\r
 407                 if (pos > 23) break;\r
 408                 active = PicoPatches[i].active;\r
 409                 smalltext_out16_lim(14,     pos*10, active ? "ON " : "OFF", active ? 0xfff6 : 0xffff, 3);\r
 410                 smalltext_out16_lim(14+6*4, pos*10, PicoPatches[i].name, active ? 0xfff6 : 0xffff, 53-6);\r
 411         }\r
 412         pos = start + i;\r
 413         if (pos < 24) smalltext_out16_lim(14, pos*10, "done", 0xffff, 4);\r
 414 \r
 415         text_out16(5, 120, ">");\r
 416         menu_flip();\r
 417 }\r
 418 \r
 419 \r
 420 static void patches_menu_loop(void)\r
 421 {\r
 422         int menu_sel = 0;\r
 423         unsigned long inp = 0;\r
 424 \r
 425         for(;;)\r
 426         {\r
 427                 draw_patchlist(menu_sel);\r
 428                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 429                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = PicoPatchCount; }\r
 430                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > PicoPatchCount) menu_sel = 0; }\r
 431                 if(inp &(GP2X_LEFT|GP2X_L))  { menu_sel-=10; if (menu_sel < 0) menu_sel = 0; }\r
 432                 if(inp &(GP2X_RIGHT|GP2X_R)) { menu_sel+=10; if (menu_sel > PicoPatchCount) menu_sel = PicoPatchCount; }\r
 433                 if(inp & GP2X_B) { // action\r
 434                         if (menu_sel < PicoPatchCount)\r
 435                                 PicoPatches[menu_sel].active = !PicoPatches[menu_sel].active;\r
 436                         else    return;\r
 437                 }\r
 438                 if(inp & GP2X_X) return;\r
 439         }\r
 440 \r
 441 }\r
 442 \r
 443 // ------------ savestate loader ------------\r
 444 \r
 445 static int state_slot_flags = 0;\r
 446 \r
 447 static void state_check_slots(void)\r
 448 {\r
 449         int slot;\r
 450 \r
 451         state_slot_flags = 0;\r
 452 \r
 453         for (slot = 0; slot < 10; slot++)\r
 454         {\r
 455                 if (emu_check_save_file(slot))\r
 456                 {\r
 457                         state_slot_flags |= 1 << slot;\r
 458                 }\r
 459         }\r
 460 }\r
 461 \r
 462 static void draw_savestate_bg(int slot)\r
 463 {\r
 464         struct PicoVideo tmp_pv;\r
 465         unsigned short tmp_cram[0x40];\r
 466         unsigned short tmp_vsram[0x40];\r
 467         void *tmp_vram, *file;\r
 468         char *fname;\r
 469 \r
 470         fname = emu_GetSaveFName(1, 0, slot);\r
 471         if (!fname) return;\r
 472 \r
 473         tmp_vram = malloc(sizeof(Pico.vram));\r
 474         if (tmp_vram == NULL) return;\r
 475 \r
 476         memcpy(tmp_vram, Pico.vram, sizeof(Pico.vram));\r
 477         memcpy(tmp_cram, Pico.cram, sizeof(Pico.cram));\r
 478         memcpy(tmp_vsram, Pico.vsram, sizeof(Pico.vsram));\r
 479         memcpy(&tmp_pv, &Pico.video, sizeof(Pico.video));\r
 480 \r
 481         if (strcmp(fname + strlen(fname) - 3, ".gz") == 0) {\r
 482                 file = gzopen(fname, "rb");\r
 483                 emu_set_save_cbs(1);\r
 484         } else {\r
 485                 file = fopen(fname, "rb");\r
 486                 emu_set_save_cbs(0);\r
 487         }\r
 488 \r
 489         if (file) {\r
 490                 if (PicoMCD & 1) {\r
 491                         PicoCdLoadStateGfx(file);\r
 492                 } else {\r
 493                         areaSeek(file, 0x10020, SEEK_SET);  // skip header and RAM in state file\r
 494                         areaRead(Pico.vram, 1, sizeof(Pico.vram), file);\r
 495                         areaSeek(file, 0x2000, SEEK_CUR);\r
 496                         areaRead(Pico.cram, 1, sizeof(Pico.cram), file);\r
 497                         areaRead(Pico.vsram, 1, sizeof(Pico.vsram), file);\r
 498                         areaSeek(file, 0x221a0, SEEK_SET);\r
 499                         areaRead(&Pico.video, 1, sizeof(Pico.video), file);\r
 500                 }\r
 501                 areaClose(file);\r
 502         }\r
 503 \r
 504         emu_forced_frame();\r
 505         menu_prepare_bg(1);\r
 506 \r
 507         memcpy(Pico.vram, tmp_vram, sizeof(Pico.vram));\r
 508         memcpy(Pico.cram, tmp_cram, sizeof(Pico.cram));\r
 509         memcpy(Pico.vsram, tmp_vsram, sizeof(Pico.vsram));\r
 510         memcpy(&Pico.video, &tmp_pv,  sizeof(Pico.video));\r
 511         free(tmp_vram);\r
 512 }\r
 513 \r
 514 static void draw_savestate_menu(int menu_sel, int is_loading)\r
 515 {\r
 516         int tl_x = 25, tl_y = 60, y, i;\r
 517 \r
 518         if (state_slot_flags & (1 << menu_sel))\r
 519                 draw_savestate_bg(menu_sel);\r
 520         gp2x_pd_clone_buffer2();\r
 521 \r
 522         text_out16(tl_x, 30, is_loading ? "Load state" : "Save state");\r
 523 \r
 524         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 108);\r
 525 \r
 526         /* draw all 10 slots */\r
 527         y = tl_y;\r
 528         for (i = 0; i < 10; i++, y+=10)\r
 529         {\r
 530                 text_out16(tl_x, y, "SLOT %i (%s)", i, (state_slot_flags & (1 << i)) ? "USED" : "free");\r
 531         }\r
 532         text_out16(tl_x, y, "back");\r
 533 \r
 534         menu_flip();\r
 535 }\r
 536 \r
 537 static int savestate_menu_loop(int is_loading)\r
 538 {\r
 539         static int menu_sel = 10;\r
 540         int menu_sel_max = 10;\r
 541         unsigned long inp = 0;\r
 542 \r
 543         state_check_slots();\r
 544 \r
 545         for(;;)\r
 546         {\r
 547                 draw_savestate_menu(menu_sel, is_loading);\r
 548                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 549                 if(inp & GP2X_UP  ) {\r
 550                         do {\r
 551                                 menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max;\r
 552                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 553                 }\r
 554                 if(inp & GP2X_DOWN) {\r
 555                         do {\r
 556                                 menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0;\r
 557                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 558                 }\r
 559                 if(inp & GP2X_B) { // save/load\r
 560                         if (menu_sel < 10) {\r
 561                                 state_slot = menu_sel;\r
 562                                 if (emu_SaveLoadGame(is_loading, 0)) {\r
 563                                         strcpy(menuErrorMsg, is_loading ? "Load failed" : "Save failed");\r
 564                                         return 1;\r
 565                                 }\r
 566                                 return 0;\r
 567                         } else  return 1;\r
 568                 }\r
 569                 if(inp & GP2X_X) return 1;\r
 570         }\r
 571 }\r
 572 \r
 573 // -------------- key config --------------\r
 574 \r
 575 static char *usb_joy_key_name(int joy, int num)\r
 576 {\r
 577         static char name[16];\r
 578         switch (num)\r
 579         {\r
 580                 case 0: sprintf(name, "Joy%i UP", joy); break;\r
 581                 case 1: sprintf(name, "Joy%i DOWN", joy); break;\r
 582                 case 2: sprintf(name, "Joy%i LEFT", joy); break;\r
 583                 case 3: sprintf(name, "Joy%i RIGHT", joy); break;\r
 584                 default:sprintf(name, "Joy%i b%i", joy, num-3); break;\r
 585         }\r
 586         return name;\r
 587 }\r
 588 \r
 589 static char *action_binds(int player_idx, int action_mask)\r
 590 {\r
 591         static char strkeys[32*5];\r
 592         int joy, i;\r
 593 \r
 594         strkeys[0] = 0;\r
 595         for (i = 0; i < 32; i++) // i is key index\r
 596         {\r
 597                 if (currentConfig.KeyBinds[i] & action_mask)\r
 598                 {\r
 599                         if (player_idx >= 0 && ((currentConfig.KeyBinds[i] >> 16) & 3) != player_idx) continue;\r
 600                         if (strkeys[0]) { strcat(strkeys, " + "); strcat(strkeys, gp2xKeyNames[i]); break; }\r
 601                         else strcpy(strkeys, gp2xKeyNames[i]);\r
 602                 }\r
 603         }\r
 604         for (joy = 0; joy < num_of_joys; joy++)\r
 605         {\r
 606                 for (i = 0; i < 32; i++)\r
 607                 {\r
 608                         if (currentConfig.JoyBinds[joy][i] & action_mask)\r
 609                         {\r
 610                                 if (player_idx >= 0 && ((currentConfig.JoyBinds[joy][i] >> 16) & 3) != player_idx) continue;\r
 611                                 if (strkeys[0]) {\r
 612                                         strcat(strkeys, ", "); strcat(strkeys, usb_joy_key_name(joy + 1, i));\r
 613                                         break;\r
 614                                 }\r
 615                                 else strcpy(strkeys, usb_joy_key_name(joy + 1, i));\r
 616                         }\r
 617                 }\r
 618         }\r
 619 \r
 620         return strkeys;\r
 621 }\r
 622 \r
 623 static void unbind_action(int action)\r
 624 {\r
 625         int i, u;\r
 626 \r
 627         for (i = 0; i < 32; i++)\r
 628                 currentConfig.KeyBinds[i] &= ~action;\r
 629         for (u = 0; u < 4; u++)\r
 630                 for (i = 0; i < 32; i++)\r
 631                         currentConfig.JoyBinds[u][i] &= ~action;\r
 632 }\r
 633 \r
 634 static int count_bound_keys(int action, int joy)\r
 635 {\r
 636         int i, keys = 0;\r
 637 \r
 638         if (joy)\r
 639         {\r
 640                 for (i = 0; i < 32; i++)\r
 641                         if (currentConfig.JoyBinds[joy-1][i] & action) keys++;\r
 642         }\r
 643         else\r
 644         {\r
 645                 for (i = 0; i < 32; i++)\r
 646                         if (currentConfig.KeyBinds[i] & action) keys++;\r
 647         }\r
 648         return keys;\r
 649 }\r
 650 \r
 651 typedef struct { char *name; int mask; } bind_action_t;\r
 652 \r
 653 static void draw_key_config(const bind_action_t *opts, int opt_cnt, int player_idx, int sel)\r
 654 {\r
 655         int x, y, tl_y = 40, i;\r
 656 \r
 657         gp2x_pd_clone_buffer2();\r
 658         if (player_idx >= 0) {\r
 659                 text_out16(80, 20, "Player %i controls", player_idx + 1);\r
 660                 x = 100;\r
 661         } else {\r
 662                 text_out16(80, 20, "Emulator controls");\r
 663                 x = 40;\r
 664         }\r
 665 \r
 666         menu_draw_selection(x - 16, tl_y + sel*10, (player_idx >= 0) ? 66 : 130);\r
 667 \r
 668         y = tl_y;\r
 669         for (i = 0; i < opt_cnt; i++, y+=10)\r
 670                 text_out16(x, y, "%s : %s", opts[i].name, action_binds(player_idx, opts[i].mask));\r
 671 \r
 672         text_out16(x, y, "Done");\r
 673 \r
 674         if (sel < opt_cnt) {\r
 675                 text_out16(30, 180, "Press a button to bind/unbind");\r
 676                 text_out16(30, 190, "Use SELECT to clear");\r
 677                 text_out16(30, 200, "To bind UP/DOWN, hold SELECT");\r
 678                 text_out16(30, 210, "Select \"Done\" to exit");\r
 679         } else {\r
 680                 text_out16(30, 190, "Use Options -> Save cfg");\r
 681                 text_out16(30, 200, "to save controls");\r
 682                 text_out16(30, 210, "Press B or X to exit");\r
 683         }\r
 684         menu_flip();\r
 685 }\r
 686 \r
 687 static void key_config_loop(const bind_action_t *opts, int opt_cnt, int player_idx)\r
 688 {\r
 689         int joy = 0, sel = 0, menu_sel_max = opt_cnt, prev_select = 0, i;\r
 690         unsigned long inp = 0;\r
 691 \r
 692         for (;;)\r
 693         {\r
 694                 draw_key_config(opts, opt_cnt, player_idx, sel);\r
 695                 inp = wait_for_input_usbjoy(CONFIGURABLE_KEYS, &joy);\r
 696                 // printf("got %08lX from joy %i\n", inp, joy);\r
 697                 if (joy == 0) {\r
 698                         if (!(inp & GP2X_SELECT)) {\r
 699                                 prev_select = 0;\r
 700                                 if(inp & GP2X_UP  ) { sel--; if (sel < 0) sel = menu_sel_max; continue; }\r
 701                                 if(inp & GP2X_DOWN) { sel++; if (sel > menu_sel_max) sel = 0; continue; }\r
 702                         }\r
 703                         if (sel >= opt_cnt) {\r
 704                                 if (inp & (GP2X_B|GP2X_X)) break;\r
 705                                 else continue;\r
 706                         }\r
 707                         // if we are here, we want to bind/unbind something\r
 708                         if ((inp & GP2X_SELECT) && !prev_select)\r
 709                                 unbind_action(opts[sel].mask);\r
 710                         prev_select = inp & GP2X_SELECT;\r
 711                         inp &= CONFIGURABLE_KEYS;\r
 712                         inp &= ~GP2X_SELECT;\r
 713                         for (i = 0; i < 32; i++)\r
 714                                 if (inp & (1 << i)) {\r
 715                                         if (count_bound_keys(opts[sel].mask, 0) >= 2)\r
 716                                              currentConfig.KeyBinds[i] &= ~opts[sel].mask; // allow to unbind only\r
 717                                         else currentConfig.KeyBinds[i] ^=  opts[sel].mask;\r
 718                                         if (player_idx >= 0) {\r
 719                                                 currentConfig.KeyBinds[i] &= ~(3 << 16);\r
 720                                                 currentConfig.KeyBinds[i] |= player_idx << 16;\r
 721                                         }\r
 722                                 }\r
 723                 }\r
 724                 else if (sel < opt_cnt)\r
 725                 {\r
 726                         for (i = 0; i < 32; i++)\r
 727                                 if (inp & (1 << i)) {\r
 728                                         if (count_bound_keys(opts[sel].mask, joy) >= 1) // disallow combos for usbjoy\r
 729                                              currentConfig.JoyBinds[joy-1][i] &= ~opts[sel].mask;\r
 730                                         else currentConfig.JoyBinds[joy-1][i] ^=  opts[sel].mask;\r
 731                                         if (player_idx >= 0) {\r
 732                                                 currentConfig.JoyBinds[joy-1][i] &= ~(3 << 16);\r
 733                                                 currentConfig.JoyBinds[joy-1][i] |= player_idx << 16;\r
 734                                         }\r
 735                                 }\r
 736                 }\r
 737         }\r
 738 }\r
 739 \r
 740 static void draw_kc_sel(int menu_sel)\r
 741 {\r
 742         int tl_x = 25+40, tl_y = 60, y, i;\r
 743         char joyname[36];\r
 744 \r
 745         y = tl_y;\r
 746         gp2x_pd_clone_buffer2();\r
 747         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 138);\r
 748 \r
 749         text_out16(tl_x, y,       "Player 1");\r
 750         text_out16(tl_x, (y+=10), "Player 2");\r
 751         text_out16(tl_x, (y+=10), "Emulator controls");\r
 752         text_out16(tl_x, (y+=10), "Done");\r
 753 \r
 754         tl_x = 25;\r
 755         text_out16(tl_x, (y=110), "USB joys detected:");\r
 756         if (num_of_joys > 0) {\r
 757                 for (i = 0; i < num_of_joys; i++) {\r
 758                         strncpy(joyname, joy_name(joys[i]), 33); joyname[33] = 0;\r
 759                         text_out16(tl_x, (y+=10), "%i: %s", i+1, joyname);\r
 760                 }\r
 761         } else {\r
 762                 text_out16(tl_x, (y+=10), "none");\r
 763         }\r
 764 \r
 765         menu_flip();\r
 766 }\r
 767 \r
 768 \r
 769 // PicoPad[] format: MXYZ SACB RLDU\r
 770 static bind_action_t ctrl_actions[] =\r
 771 {\r
 772         { "UP     ", 0x001 },\r
 773         { "DOWN   ", 0x002 },\r
 774         { "LEFT   ", 0x004 },\r
 775         { "RIGHT  ", 0x008 },\r
 776         { "A      ", 0x040 },\r
 777         { "B      ", 0x010 },\r
 778         { "C      ", 0x020 },\r
 779         { "START  ", 0x080 },\r
 780         { "MODE   ", 0x800 },\r
 781         { "X      ", 0x400 },\r
 782         { "Y      ", 0x200 },\r
 783         { "Z      ", 0x100 },\r
 784 };\r
 785 \r
 786 // player2_flag, ?, ?, ?, ?, ?, ?, menu\r
 787 // "NEXT SAVE SLOT", "PREV SAVE SLOT", "SWITCH RENDERER", "SAVE STATE",\r
 788 // "LOAD STATE", "VOLUME UP", "VOLUME DOWN", "DONE"\r
 789 static bind_action_t emuctrl_actions[] =\r
 790 {\r
 791         { "Load State     ", 1<<28 },\r
 792         { "Save State     ", 1<<27 },\r
 793         { "Prev Save Slot ", 1<<25 },\r
 794         { "Next Save Slot ", 1<<24 },\r
 795         { "Switch Renderer", 1<<26 },\r
 796         { "Volume Down    ", 1<<30 },\r
 797         { "Volume Up      ", 1<<29 },\r
 798         { "Enter Menu     ", 1<<23 },\r
 799 };\r
 800 \r
 801 static void kc_sel_loop(void)\r
 802 {\r
 803         int menu_sel = 3, menu_sel_max = 3;\r
 804         unsigned long inp = 0;\r
 805         int is_6button = currentConfig.PicoOpt & 0x020;\r
 806 \r
 807         while (1)\r
 808         {\r
 809                 draw_kc_sel(menu_sel);\r
 810                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 811                 if (inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 812                 if (inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 813                 if (inp & GP2X_B) {\r
 814                         switch (menu_sel) {\r
 815                                 case 0: key_config_loop(ctrl_actions, is_6button ? 12 : 8, 0); return;\r
 816                                 case 1: key_config_loop(ctrl_actions, is_6button ? 12 : 8, 1); return;\r
 817                                 case 2: key_config_loop(emuctrl_actions,\r
 818                                                 sizeof(emuctrl_actions)/sizeof(emuctrl_actions[0]), -1); return;\r
 819                                 case 3: if (rom_data == NULL) emu_WriteConfig(0); return;\r
 820                                 default: return;\r
 821                         }\r
 822                 }\r
 823                 if (inp & GP2X_X) return;\r
 824         }\r
 825 }\r
 826 \r
 827 \r
 828 // --------- sega/mega cd options ----------\r
 829 \r
 830 menu_entry cdopt_entries[] =\r
 831 {\r
 832         { NULL,                        MB_NONE,  MA_CDOPT_TESTBIOS_USA, NULL, 0, 0, 0, 1 },\r
 833         { NULL,                        MB_NONE,  MA_CDOPT_TESTBIOS_EUR, NULL, 0, 0, 0, 1 },\r
 834         { NULL,                        MB_NONE,  MA_CDOPT_TESTBIOS_JAP, NULL, 0, 0, 0, 1 },\r
 835         { "CD LEDs",                   MB_ONOFF, MA_CDOPT_LEDS,         &currentConfig.EmuOpt,  0x0400, 0, 0, 1 },\r
 836         { "CDDA audio (using mp3s)",   MB_ONOFF, MA_CDOPT_CDDA,         &currentConfig.PicoOpt, 0x0800, 0, 0, 1 },\r
 837         { "PCM audio",                 MB_ONOFF, MA_CDOPT_PCM,          &currentConfig.PicoOpt, 0x0400, 0, 0, 1 },\r
 838         { NULL,                        MB_NONE,  MA_CDOPT_READAHEAD,    NULL, 0, 0, 0, 1 },\r
 839         { "SaveRAM cart",              MB_ONOFF, MA_CDOPT_SAVERAM,      &currentConfig.PicoOpt, 0x8000, 0, 0, 1 },\r
 840         { "Scale/Rot. fx (slow)",      MB_ONOFF, MA_CDOPT_SCALEROT_CHIP,&currentConfig.PicoOpt, 0x1000, 0, 0, 1 },\r
 841         { "Better sync (slow)",        MB_ONOFF, MA_CDOPT_BETTER_SYNC,  &currentConfig.PicoOpt, 0x2000, 0, 0, 1 },\r
 842         { "done",                      MB_NONE,  MA_CDOPT_DONE,         NULL, 0, 0, 0, 1 },\r
 843 };\r
 844 \r
 845 #define CDOPT_ENTRY_COUNT (sizeof(cdopt_entries) / sizeof(cdopt_entries[0]))\r
 846 \r
 847 \r
 848 struct bios_names_t\r
 849 {\r
 850         char us[32], eu[32], jp[32];\r
 851 };\r
 852 \r
 853 static void menu_cdopt_cust_draw(const menu_entry *entry, int x, int y, void *param)\r
 854 {\r
 855         struct bios_names_t *bios_names = param;\r
 856         char ra_buff[16];\r
 857 \r
 858         switch (entry->id)\r
 859         {\r
 860                 case MA_CDOPT_TESTBIOS_USA: text_out16(x, y, "USA BIOS:     %s", bios_names->us); break;\r
 861                 case MA_CDOPT_TESTBIOS_EUR: text_out16(x, y, "EUR BIOS:     %s", bios_names->eu); break;\r
 862                 case MA_CDOPT_TESTBIOS_JAP: text_out16(x, y, "JAP BIOS:     %s", bios_names->jp); break;\r
 863                 case MA_CDOPT_READAHEAD:\r
 864                         if (PicoCDBuffers > 1) sprintf(ra_buff, "%5iK", PicoCDBuffers * 2);\r
 865                         else strcpy(ra_buff, "     OFF");\r
 866                         text_out16(x, y, "ReadAhead buffer      %s", ra_buff);\r
 867                         break;\r
 868                 default:break;\r
 869         }\r
 870 }\r
 871 \r
 872 static void draw_cd_menu_options(int menu_sel, struct bios_names_t *bios_names)\r
 873 {\r
 874         int tl_x = 25, tl_y = 60;\r
 875         menu_id selected_id;\r
 876         char ra_buff[16];\r
 877 \r
 878         if (PicoCDBuffers > 1) sprintf(ra_buff, "%5iK", PicoCDBuffers * 2);\r
 879         else strcpy(ra_buff, "     OFF");\r
 880 \r
 881         gp2x_pd_clone_buffer2();\r
 882 \r
 883         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 246);\r
 884 \r
 885         me_draw(cdopt_entries, CDOPT_ENTRY_COUNT, tl_x, tl_y, menu_cdopt_cust_draw, bios_names);\r
 886 \r
 887         selected_id = me_index2id(cdopt_entries, CDOPT_ENTRY_COUNT, menu_sel);\r
 888         if ((selected_id == MA_CDOPT_TESTBIOS_USA && strcmp(bios_names->us, "NOT FOUND")) ||\r
 889                 (selected_id == MA_CDOPT_TESTBIOS_EUR && strcmp(bios_names->eu, "NOT FOUND")) ||\r
 890                 (selected_id == MA_CDOPT_TESTBIOS_JAP && strcmp(bios_names->jp, "NOT FOUND")))\r
 891                         text_out16(tl_x, 210, "Press start to test selected BIOS");\r
 892 \r
 893         menu_flip();\r
 894 }\r
 895 \r
 896 static void cd_menu_loop_options(void)\r
 897 {\r
 898         static int menu_sel = 0;\r
 899         int menu_sel_max = 10;\r
 900         unsigned long inp = 0;\r
 901         struct bios_names_t bios_names;\r
 902         menu_id selected_id;\r
 903         char *bios, *p;\r
 904 \r
 905         if (find_bios(4, &bios)) { // US\r
 906                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 907                 strncpy(bios_names.us, p, sizeof(bios_names.us)); bios_names.us[sizeof(bios_names.us)-1] = 0;\r
 908         } else  strcpy(bios_names.us, "NOT FOUND");\r
 909 \r
 910         if (find_bios(8, &bios)) { // EU\r
 911                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 912                 strncpy(bios_names.eu, p, sizeof(bios_names.eu)); bios_names.eu[sizeof(bios_names.eu)-1] = 0;\r
 913         } else  strcpy(bios_names.eu, "NOT FOUND");\r
 914 \r
 915         if (find_bios(1, &bios)) { // JP\r
 916                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 917                 strncpy(bios_names.jp, p, sizeof(bios_names.jp)); bios_names.jp[sizeof(bios_names.jp)-1] = 0;\r
 918         } else  strcpy(bios_names.jp, "NOT FOUND");\r
 919 \r
 920         for(;;)\r
 921         {\r
 922                 draw_cd_menu_options(menu_sel, &bios_names);\r
 923                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A|GP2X_START);\r
 924                 if (inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 925                 if (inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 926                 selected_id = me_index2id(cdopt_entries, CDOPT_ENTRY_COUNT, menu_sel);\r
 927                 if (inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
 928                         if (!me_process(cdopt_entries, CDOPT_ENTRY_COUNT, selected_id, (inp&GP2X_RIGHT) ? 1 : 0) &&\r
 929                             selected_id == MA_CDOPT_READAHEAD) {\r
 930                                 if (inp & GP2X_LEFT) {\r
 931                                         PicoCDBuffers >>= 1;\r
 932                                         if (PicoCDBuffers < 64) PicoCDBuffers = 0;\r
 933                                 } else {\r
 934                                         if (PicoCDBuffers < 64) PicoCDBuffers = 64;\r
 935                                         else PicoCDBuffers <<= 1;\r
 936                                         if (PicoCDBuffers > 8*1024) PicoCDBuffers = 8*1024; // 16M\r
 937                                 }\r
 938                         }\r
 939                 }\r
 940                 if (inp & GP2X_B) { // toggleable options\r
 941                         if (!me_process(cdopt_entries, CDOPT_ENTRY_COUNT, selected_id, 1) &&\r
 942                             selected_id == MA_CDOPT_DONE) {\r
 943                                 return;\r
 944                         }\r
 945                 }\r
 946                 if (inp & GP2X_START) { // BIOS testers\r
 947                         switch (selected_id) {\r
 948                                 case MA_CDOPT_TESTBIOS_USA:\r
 949                                         if (find_bios(4, &bios)) { // test US\r
 950                                                 strcpy(romFileName, bios);\r
 951                                                 engineState = PGS_ReloadRom;\r
 952                                                 return;\r
 953                                         }\r
 954                                         break;\r
 955                                 case MA_CDOPT_TESTBIOS_EUR:\r
 956                                         if (find_bios(8, &bios)) { // test EU\r
 957                                                 strcpy(romFileName, bios);\r
 958                                                 engineState = PGS_ReloadRom;\r
 959                                                 return;\r
 960                                         }\r
 961                                         break;\r
 962                                 case MA_CDOPT_TESTBIOS_JAP:\r
 963                                         if (find_bios(1, &bios)) { // test JP\r
 964                                                 strcpy(romFileName, bios);\r
 965                                                 engineState = PGS_ReloadRom;\r
 966                                                 return;\r
 967                                         }\r
 968                                         break;\r
 969                                 default:\r
 970                                         break;\r
 971                         }\r
 972                 }\r
 973                 if (inp & (GP2X_X|GP2X_A)) return;\r
 974         }\r
 975 }\r
 976 \r
 977 \r
 978 // --------- advanced options ----------\r
 979 \r
 980 menu_entry opt2_entries[] =\r
 981 {\r
 982         { NULL,                        MB_NONE,  MA_OPT2_GAMMA,         NULL, 0, 0, 0, 1 },\r
 983         { "A_SN's gamma curve",        MB_ONOFF, MA_OPT2_A_SN_GAMMA,    &currentConfig.EmuOpt, 0x1000, 0, 0, 1 },\r
 984         { "Perfect vsync",             MB_ONOFF, MA_OPT2_VSYNC,         &currentConfig.EmuOpt, 0x2000, 0, 0, 1 },\r
 985         { "Emulate Z80",               MB_ONOFF, MA_OPT2_ENABLE_Z80,    &currentConfig.PicoOpt,0x0004, 0, 0, 1 },\r
 986         { "Emulate YM2612 (FM)",       MB_ONOFF, MA_OPT2_ENABLE_YM2612, &currentConfig.PicoOpt,0x0001, 0, 0, 1 },\r
 987         { "Emulate SN76496 (PSG)",     MB_ONOFF, MA_OPT2_ENABLE_SN76496,&currentConfig.PicoOpt,0x0002, 0, 0, 1 },\r
 988         { "gzip savestates",           MB_ONOFF, MA_OPT2_GZIP_STATES,   &currentConfig.EmuOpt, 0x0008, 0, 0, 1 },\r
 989         { "Don't save last used ROM",  MB_ONOFF, MA_OPT2_NO_LAST_ROM,   &currentConfig.EmuOpt, 0x0020, 0, 0, 1 },\r
 990         { "needs restart:",            MB_NONE,  MA_NONE,               NULL, 0, 0, 0, 1 },\r
 991         { "craigix's RAM timings",     MB_ONOFF, MA_OPT2_RAMTIMINGS,    &currentConfig.EmuOpt, 0x0100, 0, 0, 1 },\r
 992         { NULL,                        MB_ONOFF, MA_OPT2_SQUIDGEHACK,   &currentConfig.EmuOpt, 0x0010, 0, 0, 1 },\r
 993         { "done",                      MB_NONE,  MA_OPT2_DONE,          NULL, 0, 0, 0, 1 },\r
 994 };\r
 995 \r
 996 #define OPT2_ENTRY_COUNT (sizeof(opt2_entries) / sizeof(opt2_entries[0]))\r
 997 \r
 998 static void menu_opt2_cust_draw(const menu_entry *entry, int x, int y, void *param)\r
 999 {\r
1000         if (entry->id == MA_OPT2_GAMMA)\r
1001                 text_out16(x, y, "Gamma correction           %i.%02i", currentConfig.gamma / 100, currentConfig.gamma%100);\r
1002         else if (entry->id == MA_OPT2_SQUIDGEHACK)\r
1003                 text_out16(x, y, "squidgehack (now %s %s", mmuhack_status ? "active)  " : "inactive)",\r
1004                         (currentConfig.EmuOpt&0x0010)?"ON":"OFF");\r
1005 }\r
1006 \r
1007 \r
1008 static void draw_amenu_options(int menu_sel)\r
1009 {\r
1010         int tl_x = 25, tl_y = 50;\r
1011 \r
1012         gp2x_pd_clone_buffer2();\r
1013 \r
1014         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 252);\r
1015 \r
1016         me_draw(opt2_entries, OPT2_ENTRY_COUNT, tl_x, tl_y, menu_opt2_cust_draw, NULL);\r
1017 \r
1018         menu_flip();\r
1019 }\r
1020 \r
1021 static void amenu_loop_options(void)\r
1022 {\r
1023         static int menu_sel = 0;\r
1024         int menu_sel_max;\r
1025         unsigned long inp = 0;\r
1026         menu_id selected_id;\r
1027 \r
1028         menu_sel_max = me_count_enabled(opt2_entries, OPT2_ENTRY_COUNT) - 1;\r
1029 \r
1030         for(;;)\r
1031         {\r
1032                 draw_amenu_options(menu_sel);\r
1033                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
1034                 if (inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
1035                 if (inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
1036                 selected_id = me_index2id(opt2_entries, OPT2_ENTRY_COUNT, menu_sel);\r
1037                 if (inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
1038                         if (!me_process(opt2_entries, OPT2_ENTRY_COUNT, selected_id, (inp&GP2X_RIGHT) ? 1 : 0) &&\r
1039                             selected_id == MA_OPT2_GAMMA) {\r
1040                                 while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
1041                                         currentConfig.gamma += (inp & GP2X_LEFT) ? -1 : 1;\r
1042                                         if (currentConfig.gamma <   1) currentConfig.gamma =   1;\r
1043                                         if (currentConfig.gamma > 300) currentConfig.gamma = 300;\r
1044                                         draw_amenu_options(menu_sel);\r
1045                                         usleep(18*1000);\r
1046                                 }\r
1047                         }\r
1048                 }\r
1049                 if (inp & GP2X_B) { // toggleable options\r
1050                         if (!me_process(opt2_entries, OPT2_ENTRY_COUNT, selected_id, 1) &&\r
1051                             selected_id == MA_OPT2_DONE) {\r
1052                                 return;\r
1053                         }\r
1054                 }\r
1055                 if (inp & (GP2X_X|GP2X_A)) return;\r
1056         }\r
1057 }\r
1058 \r
1059 // -------------- options --------------\r
1060 \r
1061 \r
1062 menu_entry opt_entries[] =\r
1063 {\r
1064         { NULL,                        MB_NONE,  MA_OPT_RENDERER,      NULL, 0, 0, 0, 1 },\r
1065         { NULL,                        MB_RANGE, MA_OPT_SCALING,       &currentConfig.scaling, 0, 0, 3, 1 },\r
1066         { "Accurate timing (slower)",  MB_ONOFF, MA_OPT_ACC_TIMING,    &currentConfig.PicoOpt, 0x040, 0, 0, 1 },\r
1067         { "Accurate sprites (slower)", MB_ONOFF, MA_OPT_ACC_SPRITES,   &currentConfig.PicoOpt, 0x080, 0, 0, 1 },\r
1068         { "Show FPS",                  MB_ONOFF, MA_OPT_SHOW_FPS,      &currentConfig.EmuOpt,  0x002, 0, 0, 1 },\r
1069         { NULL,                        MB_RANGE, MA_OPT_FRAMESKIP,     &currentConfig.Frameskip, 0, -1, 16, 1 },\r
1070         { "Enable sound",              MB_ONOFF, MA_OPT_ENABLE_SOUND,  &currentConfig.EmuOpt,  0x004, 0, 0, 1 },\r
1071         { NULL,                        MB_NONE,  MA_OPT_SOUND_QUALITY, NULL, 0, 0, 0, 1 },\r
1072         { "Use ARM940 core for sound", MB_ONOFF, MA_OPT_ARM940_SOUND,  &currentConfig.PicoOpt, 0x200, 0, 0, 1 },\r
1073         { "6 button pad",              MB_ONOFF, MA_OPT_6BUTTON_PAD,   &currentConfig.PicoOpt, 0x020, 0, 0, 1 },\r
1074         { NULL,                        MB_NONE,  MA_OPT_REGION,        NULL, 0, 0, 0, 1 },\r
1075         { "Use SRAM/BRAM savestates",  MB_ONOFF, MA_OPT_SRAM_STATES,   &currentConfig.EmuOpt,  0x001, 0, 0, 1 },\r
1076         { NULL,                        MB_NONE,  MA_OPT_CONFIRM_STATES,NULL, 0, 0, 0, 1 },\r
1077         { "Save slot",                 MB_RANGE, MA_OPT_SAVE_SLOT,     &state_slot, 0, 0, 9, 1 },\r
1078         { NULL,                        MB_NONE,  MA_OPT_CPU_CLOCKS,    NULL, 0, 0, 0, 1 },\r
1079         { "[Sega/Mega CD options]",    MB_NONE,  MA_OPT_SCD_OPTS,      NULL, 0, 0, 0, 1 },\r
1080         { "[advanced options]",        MB_NONE,  MA_OPT_ADV_OPTS,      NULL, 0, 0, 0, 1 },\r
1081         { NULL,                        MB_NONE,  MA_OPT_SAVECFG,       NULL, 0, 0, 0, 1 },\r
1082         { "Save cfg for current game only",MB_NONE,MA_OPT_SAVECFG_GAME,NULL, 0, 0, 0, 1 },\r
1083         { NULL,                        MB_NONE,  MA_OPT_LOADCFG,       NULL, 0, 0, 0, 1 },\r
1084 };\r
1085 \r
1086 #define OPT_ENTRY_COUNT (sizeof(opt_entries) / sizeof(opt_entries[0]))\r
1087 \r
1088 \r
1089 static const char *region_name(unsigned int code)\r
1090 {\r
1091         static const char *names[] = { "Auto", "      Japan NTSC", "      Japan PAL", "      USA", "      Europe" };\r
1092         static const char *names_short[] = { "", " JP", " JP", " US", " EU" };\r
1093         int u, i = 0;\r
1094         if (code) {\r
1095                 code <<= 1;\r
1096                 while((code >>= 1)) i++;\r
1097                 if (i > 4) return "unknown";\r
1098                 return names[i];\r
1099         } else {\r
1100                 static char name[24];\r
1101                 strcpy(name, "Auto:");\r
1102                 for (u = 0; u < 3; u++) {\r
1103                         i = 0; code = ((PicoAutoRgnOrder >> u*4) & 0xf) << 1;\r
1104                         while((code >>= 1)) i++;\r
1105                         strcat(name, names_short[i]);\r
1106                 }\r
1107                 return name;\r
1108         }\r
1109 }\r
1110 \r
1111 \r
1112 static void menu_opt_cust_draw(const menu_entry *entry, int x, int y, void *param)\r
1113 {\r
1114         char *str, str24[24];\r
1115 \r
1116         switch (entry->id)\r
1117         {\r
1118                 case MA_OPT_RENDERER:\r
1119                         if (currentConfig.PicoOpt&0x10)\r
1120                                 str = " 8bit fast";\r
1121                         else if (currentConfig.EmuOpt&0x80)\r
1122                                 str = "16bit accurate";\r
1123                         else\r
1124                                 str = " 8bit accurate";\r
1125                         text_out16(x, y, "Renderer:            %s", str);\r
1126                         break;\r
1127                 case MA_OPT_SCALING:\r
1128                         switch (currentConfig.scaling) {\r
1129                                 default: str = "            OFF";   break;\r
1130                                 case 1:  str = "hw horizontal";     break;\r
1131                                 case 2:  str = "hw horiz. + vert."; break;\r
1132                                 case 3:  str = "sw horizontal";     break;\r
1133                         }\r
1134                         text_out16(x, y, "Scaling:       %s", str);\r
1135                         break;\r
1136                 case MA_OPT_FRAMESKIP:\r
1137                         if (currentConfig.Frameskip < 0)\r
1138                              strcpy(str24, "Auto");\r
1139                         else sprintf(str24, "%i", currentConfig.Frameskip);\r
1140                         text_out16(x, y, "Frameskip                  %s", str24);\r
1141                         break;\r
1142                 case MA_OPT_SOUND_QUALITY:\r
1143                         str = (currentConfig.PicoOpt&0x08)?"stereo":"mono";\r
1144                         text_out16(x, y, "Sound Quality:     %5iHz %s", currentConfig.PsndRate, str);\r
1145                         break;\r
1146                 case MA_OPT_REGION:\r
1147                         text_out16(x, y, "Region:              %s", region_name(currentConfig.PicoRegion));\r
1148                         break;\r
1149                 case MA_OPT_CONFIRM_STATES:\r
1150                         switch ((currentConfig.EmuOpt >> 9) & 5) {\r
1151                                 default: str = "OFF";    break;\r
1152                                 case 1:  str = "writes"; break;\r
1153                                 case 4:  str = "loads";  break;\r
1154                                 case 5:  str = "both";   break;\r
1155                         }\r
1156                         text_out16(x, y, "Confirm savestate          %s", str);\r
1157                         break;\r
1158                 case MA_OPT_CPU_CLOCKS:\r
1159                         text_out16(x, y, "GP2X CPU clocks            %iMhz", currentConfig.CPUclock);\r
1160                         break;\r
1161                 case MA_OPT_SAVECFG:\r
1162                         str24[0] = 0;\r
1163                         if (config_slot != 0) sprintf(str24, " (profile: %i)", config_slot);\r
1164                         text_out16(x, y, "Save cfg as default%s", str24);\r
1165                         break;\r
1166                 case MA_OPT_LOADCFG:\r
1167                         text_out16(x, y, "Load cfg from profile %i", config_slot);\r
1168                         break;\r
1169                 default:\r
1170                         printf("%s: unimplemented (%i)\n", __FUNCTION__, entry->id);\r
1171                         break;\r
1172         }\r
1173 }\r
1174 \r
1175 \r
1176 \r
1177 static void draw_menu_options(int menu_sel)\r
1178 {\r
1179         int tl_x = 25, tl_y = 24;\r
1180 \r
1181         gp2x_pd_clone_buffer2();\r
1182 \r
1183         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 284);\r
1184 \r
1185         me_draw(opt_entries, OPT_ENTRY_COUNT, tl_x, tl_y, menu_opt_cust_draw, NULL);\r
1186 \r
1187         menu_flip();\r
1188 }\r
1189 \r
1190 static int sndrate_prevnext(int rate, int dir)\r
1191 {\r
1192         int i, rates[] = { 8000, 11025, 16000, 22050, 44100 };\r
1193 \r
1194         for (i = 0; i < 5; i++)\r
1195                 if (rates[i] == rate) break;\r
1196 \r
1197         i += dir ? 1 : -1;\r
1198         if (i > 4) return dir ? 44100 : 22050;\r
1199         if (i < 0) return dir ? 11025 : 8000;\r
1200         return rates[i];\r
1201 }\r
1202 \r
1203 static void region_prevnext(int right)\r
1204 {\r
1205         // jp_ntsc=1, jp_pal=2, usa=4, eu=8\r
1206         static int rgn_orders[] = { 0x148, 0x184, 0x814, 0x418, 0x841, 0x481 };\r
1207         int i;\r
1208         if (right) {\r
1209                 if (!currentConfig.PicoRegion) {\r
1210                         for (i = 0; i < 6; i++)\r
1211                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
1212                         if (i < 5) PicoAutoRgnOrder = rgn_orders[i+1];\r
1213                         else currentConfig.PicoRegion=1;\r
1214                 }\r
1215                 else currentConfig.PicoRegion<<=1;\r
1216                 if (currentConfig.PicoRegion > 8) currentConfig.PicoRegion = 8;\r
1217         } else {\r
1218                 if (!currentConfig.PicoRegion) {\r
1219                         for (i = 0; i < 6; i++)\r
1220                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
1221                         if (i > 0) PicoAutoRgnOrder = rgn_orders[i-1];\r
1222                 }\r
1223                 else currentConfig.PicoRegion>>=1;\r
1224         }\r
1225 }\r
1226 \r
1227 static void menu_options_save(void)\r
1228 {\r
1229         PicoOpt = currentConfig.PicoOpt;\r
1230         PsndRate = currentConfig.PsndRate;\r
1231         PicoRegionOverride = currentConfig.PicoRegion;\r
1232         if (!(PicoOpt & 0x20)) {\r
1233                 // unbind XYZ MODE, just in case\r
1234                 unbind_action(0xf00);\r
1235         }\r
1236         scaling_update();\r
1237 }\r
1238 \r
1239 static int menu_loop_options(void)\r
1240 {\r
1241         static int menu_sel = 0;\r
1242         int menu_sel_max, ret;\r
1243         unsigned long inp = 0;\r
1244         menu_id selected_id;\r
1245 \r
1246         currentConfig.PicoOpt = PicoOpt;\r
1247         currentConfig.PsndRate = PsndRate;\r
1248         currentConfig.PicoRegion = PicoRegionOverride;\r
1249 \r
1250         me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_SAVECFG_GAME, rom_data != NULL);\r
1251         me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_LOADCFG, config_slot != config_slot_current);\r
1252         menu_sel_max = me_count_enabled(opt_entries, OPT_ENTRY_COUNT) - 1;\r
1253         if (menu_sel > menu_sel_max) menu_sel = menu_sel_max;\r
1254 \r
1255         while (1)\r
1256         {\r
1257                 draw_menu_options(menu_sel);\r
1258                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
1259                 if (inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
1260                 if (inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
1261                 selected_id = me_index2id(opt_entries, OPT_ENTRY_COUNT, menu_sel);\r
1262                 if (inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
1263                         if (!me_process(opt_entries, OPT_ENTRY_COUNT, selected_id, (inp&GP2X_RIGHT) ? 1 : 0)) {\r
1264                                 switch (selected_id) {\r
1265                                         case MA_OPT_RENDERER:\r
1266                                                 if (inp & GP2X_LEFT) {\r
1267                                                         if      (  currentConfig.PicoOpt&0x10) currentConfig.PicoOpt&= ~0x10;\r
1268                                                         else if (!(currentConfig.EmuOpt &0x80))currentConfig.EmuOpt |=  0x80;\r
1269                                                         else if (  currentConfig.EmuOpt &0x80) break;\r
1270                                                 } else {\r
1271                                                         if      (  currentConfig.PicoOpt&0x10) break;\r
1272                                                         else if (!(currentConfig.EmuOpt &0x80))currentConfig.PicoOpt|=  0x10;\r
1273                                                         else if (  currentConfig.EmuOpt &0x80) currentConfig.EmuOpt &= ~0x80;\r
1274                                                 }\r
1275                                                 break;\r
1276                                         case MA_OPT_SOUND_QUALITY:\r
1277                                                 if ((inp & GP2X_RIGHT) && currentConfig.PsndRate == 44100 && !(currentConfig.PicoOpt&0x08)) {\r
1278                                                         currentConfig.PsndRate = 8000;  currentConfig.PicoOpt|= 0x08;\r
1279                                                 } else if ((inp & GP2X_LEFT) && currentConfig.PsndRate == 8000 && (currentConfig.PicoOpt&0x08)) {\r
1280                                                         currentConfig.PsndRate = 44100; currentConfig.PicoOpt&=~0x08;\r
1281                                                 } else currentConfig.PsndRate = sndrate_prevnext(currentConfig.PsndRate, inp & GP2X_RIGHT);\r
1282                                                 break;\r
1283                                         case MA_OPT_REGION:\r
1284                                                 region_prevnext(inp & GP2X_RIGHT);\r
1285                                                 break;\r
1286                                         case MA_OPT_CONFIRM_STATES: {\r
1287                                                          int n = ((currentConfig.EmuOpt>>9)&1) | ((currentConfig.EmuOpt>>10)&2);\r
1288                                                          n += (inp & GP2X_LEFT) ? -1 : 1;\r
1289                                                          if (n < 0) n = 0; else if (n > 3) n = 3;\r
1290                                                          n |= n << 1; n &= ~2;\r
1291                                                          currentConfig.EmuOpt &= ~0xa00;\r
1292                                                          currentConfig.EmuOpt |= n << 9;\r
1293                                                          break;\r
1294                                                  }\r
1295                                         case MA_OPT_SAVE_SLOT:\r
1296                                                  if (inp & GP2X_RIGHT) {\r
1297                                                          state_slot++; if (state_slot > 9) state_slot = 0;\r
1298                                                  } else {state_slot--; if (state_slot < 0) state_slot = 9;\r
1299                                                  }\r
1300                                                  break;\r
1301                                         case MA_OPT_CPU_CLOCKS:\r
1302                                                  while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
1303                                                          currentConfig.CPUclock += (inp & GP2X_LEFT) ? -1 : 1;\r
1304                                                          if (currentConfig.CPUclock < 1) currentConfig.CPUclock = 1;\r
1305                                                          draw_menu_options(menu_sel);\r
1306                                                          usleep(50*1000);\r
1307                                                  }\r
1308                                                  break;\r
1309                                         case MA_OPT_SAVECFG:\r
1310                                         case MA_OPT_SAVECFG_GAME:\r
1311                                         case MA_OPT_LOADCFG:\r
1312                                                  config_slot += (inp&GP2X_RIGHT) ? 1 : -1;\r
1313                                                  if (config_slot > 9) config_slot = 0;\r
1314                                                  if (config_slot < 0) config_slot = 9;\r
1315                                                  me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_LOADCFG, config_slot != config_slot_current);\r
1316                                                  menu_sel_max = me_count_enabled(opt_entries, OPT_ENTRY_COUNT) - 1;\r
1317                                                  if (menu_sel > menu_sel_max) menu_sel = menu_sel_max;\r
1318                                                  break;\r
1319                                         default:\r
1320                                                 //printf("%s: something unknown selected (%i)\n", __FUNCTION__, selected_id);\r
1321                                                 break;\r
1322                                 }\r
1323                         }\r
1324                 }\r
1325                 if (inp & GP2X_B) {\r
1326                         if (!me_process(opt_entries, OPT_ENTRY_COUNT, selected_id, 1))\r
1327                         {\r
1328                                 switch (selected_id)\r
1329                                 {\r
1330                                         case MA_OPT_SCD_OPTS:\r
1331                                                 cd_menu_loop_options();\r
1332                                                 if (engineState == PGS_ReloadRom)\r
1333                                                         return 0; // test BIOS\r
1334                                                 break;\r
1335                                         case MA_OPT_ADV_OPTS:\r
1336                                                 amenu_loop_options();\r
1337                                                 break;\r
1338                                         case MA_OPT_SAVECFG: // done (update and write)\r
1339                                                 menu_options_save();\r
1340                                                 if (emu_WriteConfig(0)) strcpy(menuErrorMsg, "config saved");\r
1341                                                 else strcpy(menuErrorMsg, "failed to write config");\r
1342                                                 return 1;\r
1343                                         case MA_OPT_SAVECFG_GAME: // done (update and write for current game)\r
1344                                                 menu_options_save();\r
1345                                                 if (emu_WriteConfig(1)) strcpy(menuErrorMsg, "config saved");\r
1346                                                 else strcpy(menuErrorMsg, "failed to write config");\r
1347                                                 return 1;\r
1348                                         case MA_OPT_LOADCFG:\r
1349                                                 ret = emu_ReadConfig(1, 1);\r
1350                                                 if (!ret) ret = emu_ReadConfig(0, 1);\r
1351                                                 if (ret)  strcpy(menuErrorMsg, "config loaded");\r
1352                                                 else      strcpy(menuErrorMsg, "failed to load config");\r
1353                                                 return 1;\r
1354                                         default:\r
1355                                                 //printf("%s: something unknown selected (%i)\n", __FUNCTION__, selected_id);\r
1356                                                 break;\r
1357                                 }\r
1358                         }\r
1359                 }\r
1360                 if(inp & (GP2X_X|GP2X_A)) {\r
1361                         menu_options_save();\r
1362                         return 0;  // done (update, no write)\r
1363                 }\r
1364         }\r
1365 }\r
1366 \r
1367 // -------------- credits --------------\r
1368 \r
1369 static void draw_menu_credits(void)\r
1370 {\r
1371         int tl_x = 15, tl_y = 64, y;\r
1372         gp2x_pd_clone_buffer2();\r
1373 \r
1374         text_out16(tl_x, 20, "PicoDrive v" VERSION " (c) notaz, 2006,2007");\r
1375         y = tl_y;\r
1376         text_out16(tl_x, y, "Credits:");\r
1377         text_out16(tl_x, (y+=10), "Dave: Cyclone 68000 core,");\r
1378         text_out16(tl_x, (y+=10), "      base code of PicoDrive");\r
1379         text_out16(tl_x, (y+=10), "Reesy & FluBBa: DrZ80 core");\r
1380         text_out16(tl_x, (y+=10), "MAME devs: YM2612 and SN76496 cores");\r
1381         text_out16(tl_x, (y+=10), "Charles MacDonald: Genesis hw docs");\r
1382         text_out16(tl_x, (y+=10), "Stephane Dallongeville:");\r
1383         text_out16(tl_x, (y+=10), "      opensource Gens");\r
1384         text_out16(tl_x, (y+=10), "Haze: Genesis hw info");\r
1385         text_out16(tl_x, (y+=10), "rlyeh and others: minimal SDK");\r
1386         text_out16(tl_x, (y+=10), "Squidge: squidgehack");\r
1387         text_out16(tl_x, (y+=10), "Dzz: ARM940 sample");\r
1388         text_out16(tl_x, (y+=10), "GnoStiC / Puck2099: USB joystick");\r
1389         text_out16(tl_x, (y+=10), "craigix: GP2X hardware");\r
1390         text_out16(tl_x, (y+=10), "ketchupgun: skin design");\r
1391 \r
1392         menu_flip();\r
1393 }\r
1394 \r
1395 \r
1396 // -------------- root menu --------------\r
1397 \r
1398 menu_entry main_entries[] =\r
1399 {\r
1400         { "Resume game",        MB_NONE, MA_MAIN_RESUME_GAME, NULL, 0, 0, 0, 0 },\r
1401         { "Save State",         MB_NONE, MA_MAIN_SAVE_STATE,  NULL, 0, 0, 0, 0 },\r
1402         { "Load State",         MB_NONE, MA_MAIN_LOAD_STATE,  NULL, 0, 0, 0, 0 },\r
1403         { "Reset game",         MB_NONE, MA_MAIN_RESET_GAME,  NULL, 0, 0, 0, 0 },\r
1404         { "Load new ROM/ISO",   MB_NONE, MA_MAIN_LOAD_ROM,    NULL, 0, 0, 0, 1 },\r
1405         { "Change options",     MB_NONE, MA_MAIN_OPTIONS,     NULL, 0, 0, 0, 1 },\r
1406         { "Configure controls", MB_NONE, MA_MAIN_CONTROLS,    NULL, 0, 0, 0, 1 },\r
1407         { "Credits",            MB_NONE, MA_MAIN_CREDITS,     NULL, 0, 0, 0, 1 },\r
1408         { "Patches / GameGenie",MB_NONE, MA_MAIN_PATCHES,     NULL, 0, 0, 0, 0 },\r
1409         { "Exit",               MB_NONE, MA_MAIN_EXIT,        NULL, 0, 0, 0, 1 }\r
1410 };\r
1411 \r
1412 #define MAIN_ENTRY_COUNT (sizeof(main_entries) / sizeof(main_entries[0]))\r
1413 \r
1414 static void draw_menu_root(int menu_sel)\r
1415 {\r
1416         const int tl_x = 70, tl_y = 70;\r
1417 \r
1418         gp2x_pd_clone_buffer2();\r
1419 \r
1420         text_out16(tl_x, 20, "PicoDrive v" VERSION);\r
1421 \r
1422         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 146);\r
1423 \r
1424         me_draw(main_entries, MAIN_ENTRY_COUNT, tl_x, tl_y, NULL, NULL);\r
1425 \r
1426         // error\r
1427         if (menuErrorMsg[0]) {\r
1428                 memset((char *)gp2x_screen + 320*224*2, 0, 320*16*2);\r
1429                 text_out16(5, 226, menuErrorMsg);\r
1430         }\r
1431         menu_flip();\r
1432 }\r
1433 \r
1434 \r
1435 static void menu_loop_root(void)\r
1436 {\r
1437         static int menu_sel = 0;\r
1438         int ret, menu_sel_max;\r
1439         unsigned long inp = 0;\r
1440 \r
1441         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_RESUME_GAME, rom_data != NULL);\r
1442         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_SAVE_STATE,  rom_data != NULL);\r
1443         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_LOAD_STATE,  rom_data != NULL);\r
1444         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_RESET_GAME,  rom_data != NULL);\r
1445         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_PATCHES,     PicoPatches != NULL);\r
1446 \r
1447         menu_sel_max = me_count_enabled(main_entries, MAIN_ENTRY_COUNT) - 1;\r
1448         if (menu_sel > menu_sel_max) menu_sel = menu_sel_max;\r
1449 \r
1450         /* make sure action buttons are not pressed on entering menu */\r
1451         draw_menu_root(menu_sel);\r
1452         while (gp2x_joystick_read(1) & (GP2X_B|GP2X_X|GP2X_SELECT)) usleep(50*1000);\r
1453 \r
1454         for (;;)\r
1455         {\r
1456                 draw_menu_root(menu_sel);\r
1457                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X|GP2X_SELECT|GP2X_L|GP2X_R);\r
1458                 if(inp & GP2X_UP  )  { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
1459                 if(inp & GP2X_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
1460                 if((inp & (GP2X_L|GP2X_R)) == (GP2X_L|GP2X_R)) debug_menu_loop();\r
1461                 if(inp &(GP2X_SELECT|GP2X_X)){\r
1462                         if (rom_data) {\r
1463                                 while (gp2x_joystick_read(1) & (GP2X_SELECT|GP2X_X)) usleep(50*1000); // wait until select is released\r
1464                                 engineState = PGS_Running;\r
1465                                 break;\r
1466                         }\r
1467                 }\r
1468                 if(inp & GP2X_B)  {\r
1469                         switch (me_index2id(main_entries, MAIN_ENTRY_COUNT, menu_sel))\r
1470                         {\r
1471                                 case MA_MAIN_RESUME_GAME:\r
1472                                         if (rom_data) {\r
1473                                                 while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1474                                                 engineState = PGS_Running;\r
1475                                                 return;\r
1476                                         }\r
1477                                         break;\r
1478                                 case MA_MAIN_SAVE_STATE:\r
1479                                         if (rom_data) {\r
1480                                                 if(savestate_menu_loop(0))\r
1481                                                         continue;\r
1482                                                 engineState = PGS_Running;\r
1483                                                 return;\r
1484                                         }\r
1485                                         break;\r
1486                                 case MA_MAIN_LOAD_STATE:\r
1487                                         if (rom_data) {\r
1488                                                 if(savestate_menu_loop(1))\r
1489                                                         continue;\r
1490                                                 engineState = PGS_Running;\r
1491                                                 return;\r
1492                                         }\r
1493                                         break;\r
1494                                 case MA_MAIN_RESET_GAME:\r
1495                                         if (rom_data) {\r
1496                                                 emu_ResetGame();\r
1497                                                 engineState = PGS_Running;\r
1498                                                 return;\r
1499                                         }\r
1500                                         break;\r
1501                                 case MA_MAIN_LOAD_ROM:\r
1502                                 {\r
1503                                         char curr_path[PATH_MAX], *selfname;\r
1504                                         FILE *tstf;\r
1505                                         if ( (tstf = fopen(currentConfig.lastRomFile, "rb")) )\r
1506                                         {\r
1507                                                 fclose(tstf);\r
1508                                                 strcpy(curr_path, currentConfig.lastRomFile);\r
1509                                         }\r
1510                                         else\r
1511                                                 getcwd(curr_path, PATH_MAX);\r
1512                                         selfname = romsel_loop(curr_path);\r
1513                                         if (selfname) {\r
1514                                                 printf("selected file: %s\n", selfname);\r
1515                                                 engineState = PGS_ReloadRom;\r
1516                                                 return;\r
1517                                         }\r
1518                                         break;\r
1519                                 }\r
1520                                 case MA_MAIN_OPTIONS:\r
1521                                         ret = menu_loop_options();\r
1522                                         if (ret == 1) continue; // status update\r
1523                                         if (engineState == PGS_ReloadRom)\r
1524                                                 return; // BIOS test\r
1525                                         break;\r
1526                                 case MA_MAIN_CONTROLS:\r
1527                                         kc_sel_loop();\r
1528                                         break;\r
1529                                 case MA_MAIN_CREDITS:\r
1530                                         draw_menu_credits();\r
1531                                         usleep(500*1000);\r
1532                                         inp = wait_for_input(GP2X_B|GP2X_X);\r
1533                                         break;\r
1534                                 case MA_MAIN_EXIT:\r
1535                                         engineState = PGS_Quit;\r
1536                                         return;\r
1537                                 case MA_MAIN_PATCHES:\r
1538                                         if (rom_data && PicoPatches) {\r
1539                                                 patches_menu_loop();\r
1540                                                 PicoPatchApply();\r
1541                                                 strcpy(menuErrorMsg, "Patches applied");\r
1542                                                 continue;\r
1543                                         }\r
1544                                         break;\r
1545                                 default:\r
1546                                         printf("%s: something unknown selected\n", __FUNCTION__);\r
1547                                         break;\r
1548                         }\r
1549                 }\r
1550                 menuErrorMsg[0] = 0; // clear error msg\r
1551         }\r
1552 }\r
1553 \r
1554 static void menu_darken_bg(void *dst, int pixels, int darker)\r
1555 {\r
1556         unsigned int *screen = dst;\r
1557         pixels /= 2;\r
1558         if (darker)\r
1559         {\r
1560                 while (pixels--)\r
1561                 {\r
1562                         unsigned int p = *screen;\r
1563                         *screen++ = ((p&0xf79ef79e)>>1) - ((p&0xc618c618)>>3);\r
1564                 }\r
1565         }\r
1566         else\r
1567         {\r
1568                 while (pixels--)\r
1569                 {\r
1570                         unsigned int p = *screen;\r
1571                         *screen++ = (p&0xf79ef79e)>>1;\r
1572                 }\r
1573         }\r
1574 }\r
1575 \r
1576 static void menu_prepare_bg(int use_game_bg)\r
1577 {\r
1578         if (use_game_bg)\r
1579         {\r
1580                 // darken the active framebuffer\r
1581                 memset(gp2x_screen, 0, 320*8*2);\r
1582                 menu_darken_bg((char *)gp2x_screen + 320*8*2, 320*224, 1);\r
1583                 memset((char *)gp2x_screen + 320*232*2, 0, 320*8*2);\r
1584         }\r
1585         else\r
1586         {\r
1587                 // should really only happen once, on startup..\r
1588                 readpng(gp2x_screen, "skin/background.png", READPNG_BG);\r
1589         }\r
1590 \r
1591         // copy to buffer2\r
1592         gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);\r
1593 }\r
1594 \r
1595 static void menu_gfx_prepare(void)\r
1596 {\r
1597         menu_prepare_bg(rom_data != NULL);\r
1598 \r
1599         // switch to 16bpp\r
1600         gp2x_video_changemode2(16);\r
1601         gp2x_video_RGB_setscaling(0, 320, 240);\r
1602         menu_flip();\r
1603 }\r
1604 \r
1605 \r
1606 void menu_loop(void)\r
1607 {\r
1608         menu_gfx_prepare();\r
1609 \r
1610         menu_loop_root();\r
1611 \r
1612         menuErrorMsg[0] = 0;\r
1613 }\r
1614 \r
1615 \r
1616 // --------- CD tray close menu ----------\r
1617 \r
1618 static void draw_menu_tray(int menu_sel)\r
1619 {\r
1620         int tl_x = 70, tl_y = 90, y;\r
1621         memset(gp2x_screen, 0, 320*240*2);\r
1622 \r
1623         text_out16(tl_x, 20, "The unit is about to");\r
1624         text_out16(tl_x, 30, "close the CD tray.");\r
1625 \r
1626         y = tl_y;\r
1627         text_out16(tl_x, y,       "Load new CD image");\r
1628         text_out16(tl_x, (y+=10), "Insert nothing");\r
1629 \r
1630         // draw cursor\r
1631         text_out16(tl_x - 16, tl_y + menu_sel*10, ">");\r
1632         // error\r
1633         if (menuErrorMsg[0]) text_out16(5, 226, menuErrorMsg);\r
1634         menu_flip();\r
1635 }\r
1636 \r
1637 \r
1638 int menu_loop_tray(void)\r
1639 {\r
1640         int menu_sel = 0, menu_sel_max = 1;\r
1641         unsigned long inp = 0;\r
1642         char curr_path[PATH_MAX], *selfname;\r
1643         FILE *tstf;\r
1644 \r
1645         gp2x_memset_all_buffers(0, 0, 320*240*2);\r
1646         menu_gfx_prepare();\r
1647 \r
1648         if ( (tstf = fopen(currentConfig.lastRomFile, "rb")) )\r
1649         {\r
1650                 fclose(tstf);\r
1651                 strcpy(curr_path, currentConfig.lastRomFile);\r
1652         }\r
1653         else\r
1654         {\r
1655                 getcwd(curr_path, PATH_MAX);\r
1656         }\r
1657 \r
1658         /* make sure action buttons are not pressed on entering menu */\r
1659         draw_menu_tray(menu_sel);\r
1660         while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1661 \r
1662         for (;;)\r
1663         {\r
1664                 draw_menu_tray(menu_sel);\r
1665                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B);\r
1666                 if(inp & GP2X_UP  )  { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
1667                 if(inp & GP2X_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
1668                 if(inp & GP2X_B   )  {\r
1669                         switch (menu_sel) {\r
1670                                 case 0: // select image\r
1671                                         selfname = romsel_loop(curr_path);\r
1672                                         if (selfname) {\r
1673                                                 int ret = -1, cd_type;\r
1674                                                 cd_type = emu_cd_check(NULL);\r
1675                                                 if (cd_type > 0)\r
1676                                                         ret = Insert_CD(romFileName, cd_type == 2);\r
1677                                                 if (ret != 0) {\r
1678                                                         sprintf(menuErrorMsg, "Load failed, invalid CD image?");\r
1679                                                         printf("%s\n", menuErrorMsg);\r
1680                                                         continue;\r
1681                                                 }\r
1682                                                 engineState = PGS_RestartRun;\r
1683                                                 return 1;\r
1684                                         }\r
1685                                         break;\r
1686                                 case 1: // insert nothing\r
1687                                         engineState = PGS_RestartRun;\r
1688                                         return 0;\r
1689                         }\r
1690                 }\r
1691                 menuErrorMsg[0] = 0; // clear error msg\r
1692         }\r
1693 }\r
1694 \r
1695 \r