drivers/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 "minimal.h"\r
  14 #include "usbjoy.h"\r
  15 #include "asmutils.h"\r
  16 #include "menu.h"\r
  17 #include "main.h"\r
  18 #include "fonts.h"\r
  19 #include "gp2x.h"\r
  20 \r
  21 #include "../../input.h"\r
  22 #include "../../state.h"\r
  23 \r
  24 #ifndef _DIRENT_HAVE_D_TYPE\r
  25 #error "need d_type for file browser\r
  26 #endif\r
  27 \r
  28 static int GP2X_PORT_REV =\r
  29 #include "rev.h"\r
  30 ;\r
  31 \r
  32 extern char lastLoadedGameName[PATH_MAX];\r
  33 extern int mmuhack_status;\r
  34 extern int soundvol;\r
  35 extern uint8 Exit; // exit emu loop flag\r
  36 extern int InitSound(void);\r
  37 \r
  38 #define CONFIGURABLE_KEYS (GP2X_UP|GP2X_LEFT|GP2X_DOWN|GP2X_RIGHT|GP2X_START|GP2X_SELECT|GP2X_L|GP2X_R|GP2X_A|GP2X_B|GP2X_X|GP2X_Y|GP2X_PUSH)\r
  39 \r
  40 static char *gp2xKeyNames[] = {\r
  41         "UP",    "01???",  "LEFT", "03???", "DOWN", "05???", "RIGHT",    "07???",\r
  42         "START", "SELECT", "L",    "R",     "A",    "B",     "X",        "Y",\r
  43         "10???", "11???",  "12???","13???", "14???","15???", "VOL DOWN", "VOL UP",\r
  44         "18???", "19???",  "1a???","PUSH",  "1c???","1d???", "1e???",    "1f???"\r
  45 };\r
  46 \r
  47 char menuErrorMsg[40] = {0, };\r
  48 \r
  49 // TODO\r
  50 void gp2x_fceu_copy_bg(void)\r
  51 {\r
  52         memset(gp2x_screen, 0, 320*240*2);\r
  53 }\r
  54 \r
  55 // draws white text to current bbp15 screen\r
  56 static void gp2x_text_out15_(int x, int y, const char *text)\r
  57 {\r
  58         int i,l;\r
  59         unsigned short *screen = gp2x_screen;\r
  60 \r
  61         screen = screen + x + y*320;\r
  62 \r
  63         for (i = 0; i < strlen(text); i++)\r
  64         {\r
  65                 for (l=0;l<8;l++)\r
  66                 {\r
  67                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=0xffff;\r
  68                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=0xffff;\r
  69                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=0xffff;\r
  70                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=0xffff;\r
  71                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=0xffff;\r
  72                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=0xffff;\r
  73                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=0xffff;\r
  74                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=0xffff;\r
  75                 }\r
  76                 screen += 8;\r
  77         }\r
  78 }\r
  79 \r
  80 void gp2x_text_out15(int x, int y, const char *texto, ...)\r
  81 {\r
  82         va_list args;\r
  83         char    buffer[512];\r
  84 \r
  85         va_start(args,texto);\r
  86         vsprintf(buffer,texto,args);\r
  87         va_end(args);\r
  88 \r
  89         gp2x_text_out15_(x,y,buffer);\r
  90 }\r
  91 \r
  92 \r
  93 void gp2x_text_out15_lim(int x, int y, const char *texto, int max)\r
  94 {\r
  95         char    buffer[320/8+1];\r
  96 \r
  97         strncpy(buffer, texto, 320/8);\r
  98         if (max > 320/8) max = 320/8;\r
  99         if (max < 0) max = 0;\r
 100         buffer[max] = 0;\r
 101 \r
 102         gp2x_text_out15(x,y,buffer);\r
 103 }\r
 104 \r
 105 static void gp2x_smalltext16(int x, int y, const char *texto)\r
 106 {\r
 107         int i;\r
 108         unsigned char  *src;\r
 109         unsigned short *dst;\r
 110 \r
 111         for (i = 0;; i++, x += 6)\r
 112         {\r
 113                 unsigned char c = (unsigned char) texto[i];\r
 114                 int h = 8;\r
 115 \r
 116                 if (!c) break;\r
 117 \r
 118                 src = fontdata6x8[c];\r
 119                 dst = (unsigned short *)gp2x_screen + x + y*320;\r
 120 \r
 121                 while (h--)\r
 122                 {\r
 123                         int w = 0x20;\r
 124                         while (w)\r
 125                         {\r
 126                                 if( *src & w ) *dst = 0xffff;\r
 127                                 dst++;\r
 128                                 w>>=1;\r
 129                         }\r
 130                         src++;\r
 131 \r
 132                         dst += 320-6;\r
 133                 }\r
 134         }\r
 135 }\r
 136 \r
 137 static void gp2x_smalltext8_lim(int x, int y, const char *texto, int max)\r
 138 {\r
 139         char    buffer[320/6+1];\r
 140 \r
 141         strncpy(buffer, texto, 320/6);\r
 142         if (max > 320/6) max = 320/6;\r
 143         if (max < 0) max = 0;\r
 144         buffer[max] = 0;\r
 145 \r
 146         gp2x_smalltext16(x, y, buffer);\r
 147 }\r
 148 \r
 149 \r
 150 static unsigned long inp_prev = 0;\r
 151 static int inp_prevjoy = 0;\r
 152 \r
 153 static unsigned long wait_for_input(unsigned long interesting)\r
 154 {\r
 155         unsigned long ret;\r
 156         static int repeats = 0, wait = 50*1000;\r
 157         int release = 0, i;\r
 158 \r
 159         if (repeats == 2 || repeats == 4) wait /= 2;\r
 160         if (repeats == 6) wait = 15 * 1000;\r
 161 \r
 162         for (i = 0; i < 6 && inp_prev == gp2x_joystick_read(1); i++) {\r
 163                 if (i == 0) repeats++;\r
 164                 if (wait >= 30*1000) usleep(wait); // usleep sleeps for ~30ms minimum\r
 165                 else spend_cycles(wait * Settings.cpuclock);\r
 166         }\r
 167 \r
 168         while ( !((ret = gp2x_joystick_read(1)) & interesting) ) {\r
 169                 usleep(50000);\r
 170                 release = 1;\r
 171         }\r
 172 \r
 173         if (release || ret != inp_prev) {\r
 174                 repeats = 0;\r
 175                 wait = 50*1000;\r
 176         }\r
 177         inp_prev = ret;\r
 178         inp_prevjoy = 0;\r
 179 \r
 180         // we don't need diagonals in menus\r
 181         if ((ret&GP2X_UP)   && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 182         if ((ret&GP2X_UP)   && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 183         if ((ret&GP2X_DOWN) && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 184         if ((ret&GP2X_DOWN) && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 185 \r
 186         return ret;\r
 187 }\r
 188 \r
 189 static unsigned long input2_read(unsigned long interesting, int *joy)\r
 190 {\r
 191         unsigned long ret;\r
 192         int i;\r
 193 \r
 194         do\r
 195         {\r
 196                 *joy = 0;\r
 197                 if ((ret = gp2x_joystick_read(0) & interesting)) break;\r
 198                 gp2x_usbjoy_update();\r
 199                 for (i = 0; i < num_of_joys; i++) {\r
 200                         ret = gp2x_usbjoy_check2(i);\r
 201                         if (ret) { *joy = i + 1; break; }\r
 202                 }\r
 203                 if (ret) break;\r
 204         }\r
 205         while(0);\r
 206 \r
 207         return ret;\r
 208 }\r
 209 \r
 210 // similar to wait_for_input(), but returns joy num\r
 211 static unsigned long wait_for_input_usbjoy(unsigned long interesting, int *joy)\r
 212 {\r
 213         unsigned long ret;\r
 214         const int wait = 300*1000;\r
 215         int i;\r
 216 \r
 217         if (inp_prevjoy == 0) inp_prev &= interesting;\r
 218         for (i = 0; i < 6; i++) {\r
 219                 ret = input2_read(interesting, joy);\r
 220                 if (*joy != inp_prevjoy || ret != inp_prev) break;\r
 221                 usleep(wait/6);\r
 222         }\r
 223 \r
 224         while ( !(ret = input2_read(interesting, joy)) ) {\r
 225                 usleep(50000);\r
 226         }\r
 227 \r
 228         inp_prev = ret;\r
 229         inp_prevjoy = *joy;\r
 230 \r
 231         return ret;\r
 232 }\r
 233 \r
 234 \r
 235 \r
 236 // -------------- ROM selector --------------\r
 237 \r
 238 static void draw_dirlist(char *curdir, struct dirent **namelist, int n, int sel)\r
 239 {\r
 240         int start, i, pos;\r
 241 \r
 242         start = 12 - sel;\r
 243         n--; // exclude current dir (".")\r
 244 \r
 245         //memset(gp2x_screen, 0, 320*240);\r
 246         gp2x_fceu_copy_bg();\r
 247 \r
 248         if(start - 2 >= 0)\r
 249                 gp2x_smalltext8_lim(14, (start - 2)*10, curdir, 53-2);\r
 250         for (i = 0; i < n; i++) {\r
 251                 pos = start + i;\r
 252                 if (pos < 0)  continue;\r
 253                 if (pos > 23) break;\r
 254                 if (namelist[i+1]->d_type == DT_DIR) {\r
 255                         gp2x_smalltext8_lim(14,   pos*10, "/", 1);\r
 256                         gp2x_smalltext8_lim(14+6, pos*10, namelist[i+1]->d_name, 53-3);\r
 257                 } else {\r
 258                         gp2x_smalltext8_lim(14,   pos*10, namelist[i+1]->d_name, 53-2);\r
 259                 }\r
 260         }\r
 261         gp2x_text_out15(5, 120, ">");\r
 262         gp2x_video_flip();\r
 263 }\r
 264 \r
 265 static int scandir_cmp(const void *p1, const void *p2)\r
 266 {\r
 267         struct dirent **d1 = (struct dirent **)p1, **d2 = (struct dirent **)p2;\r
 268         if ((*d1)->d_type == (*d2)->d_type) return alphasort(d1, d2);\r
 269         if ((*d1)->d_type == DT_DIR) return -1; // put before\r
 270         if ((*d2)->d_type == DT_DIR) return  1;\r
 271         return alphasort(d1, d2);\r
 272 }\r
 273 \r
 274 static char *filter_exts[] = {\r
 275         ".gpe", ".png", "ck.o", ".txt"\r
 276 };\r
 277 \r
 278 static int scandir_filter(const struct dirent *ent)\r
 279 {\r
 280         const char *p;\r
 281         int i;\r
 282 \r
 283         if (ent == NULL || ent->d_name == NULL) return 0;\r
 284         if (strlen(ent->d_name) < 5) return 1;\r
 285 \r
 286         p = ent->d_name + strlen(ent->d_name) - 4;\r
 287 \r
 288         for (i = 0; i < sizeof(filter_exts)/sizeof(filter_exts[0]); i++)\r
 289         {\r
 290                 if (strcmp(p, filter_exts[i]) == 0) return 0;\r
 291         }\r
 292 \r
 293         return 1;\r
 294 }\r
 295 \r
 296 static char *romsel_loop(char *curr_path)\r
 297 {\r
 298         struct dirent **namelist;\r
 299         DIR *dir;\r
 300         int n, sel = 0;\r
 301         unsigned long inp = 0;\r
 302         char *ret = NULL, *fname = NULL;\r
 303 \r
 304         // is this a dir or a full path?\r
 305         if ((dir = opendir(curr_path))) {\r
 306                 closedir(dir);\r
 307         } else {\r
 308                 char *p;\r
 309                 for (p = curr_path + strlen(curr_path) - 1; p > curr_path && *p != '/'; p--);\r
 310                 *p = 0;\r
 311                 fname = p+1;\r
 312         }\r
 313 \r
 314         n = scandir(curr_path, &namelist, scandir_filter, scandir_cmp);\r
 315         if (n < 0) {\r
 316                 // try root\r
 317                 n = scandir("/", &namelist, scandir_filter, scandir_cmp);\r
 318                 if (n < 0) {\r
 319                         // oops, we failed\r
 320                         printf("dir: %s\n", curr_path);\r
 321                         perror("scandir");\r
 322                         return NULL;\r
 323                 }\r
 324         }\r
 325 \r
 326         // try to find sel\r
 327         if (fname != NULL) {\r
 328                 int i;\r
 329                 for (i = 1; i < n; i++) {\r
 330                         if (strcmp(namelist[i]->d_name, fname) == 0) {\r
 331                                 sel = i - 1;\r
 332                                 break;\r
 333                         }\r
 334                 }\r
 335         }\r
 336 \r
 337         for (;;)\r
 338         {\r
 339                 draw_dirlist(curr_path, namelist, n, sel);\r
 340                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 341                 if(inp & GP2X_UP  )  { sel--;   if (sel < 0)   sel = n-2; }\r
 342                 if(inp & GP2X_DOWN)  { sel++;   if (sel > n-2) sel = 0; }\r
 343                 if(inp & GP2X_LEFT)  { sel-=10; if (sel < 0)   sel = 0; }\r
 344                 if(inp & GP2X_L)     { sel-=24; if (sel < 0)   sel = 0; }\r
 345                 if(inp & GP2X_RIGHT) { sel+=10; if (sel > n-2) sel = n-2; }\r
 346                 if(inp & GP2X_R)     { sel+=24; if (sel > n-2) sel = n-2; }\r
 347                 if(inp & GP2X_B)     { // enter dir/select\r
 348                         again:\r
 349                         if (namelist[sel+1]->d_type == DT_REG) {\r
 350                                 strcpy(lastLoadedGameName, curr_path);\r
 351                                 strcat(lastLoadedGameName, "/");\r
 352                                 strcat(lastLoadedGameName, namelist[sel+1]->d_name);\r
 353                                 ret = lastLoadedGameName;\r
 354                                 break;\r
 355                         } else if (namelist[sel+1]->d_type == DT_DIR) {\r
 356                                 int newlen = strlen(curr_path) + strlen(namelist[sel+1]->d_name) + 2;\r
 357                                 char *p, *newdir = malloc(newlen);\r
 358                                 if (strcmp(namelist[sel+1]->d_name, "..") == 0) {\r
 359                                         char *start = curr_path;\r
 360                                         p = start + strlen(start) - 1;\r
 361                                         while (*p == '/' && p > start) p--;\r
 362                                         while (*p != '/' && p > start) p--;\r
 363                                         if (p <= start) strcpy(newdir, "/");\r
 364                                         else { strncpy(newdir, start, p-start); newdir[p-start] = 0; }\r
 365                                 } else {\r
 366                                         strcpy(newdir, curr_path);\r
 367                                         p = newdir + strlen(newdir) - 1;\r
 368                                         while (*p == '/' && p >= newdir) *p-- = 0;\r
 369                                         strcat(newdir, "/");\r
 370                                         strcat(newdir, namelist[sel+1]->d_name);\r
 371                                 }\r
 372                                 ret = romsel_loop(newdir);\r
 373                                 free(newdir);\r
 374                                 break;\r
 375                         } else {\r
 376                                 // unknown file type, happens on NTFS mounts. Try to guess.\r
 377                                 FILE *tstf; int tmp;\r
 378                                 strcpy(lastLoadedGameName, curr_path);\r
 379                                 strcat(lastLoadedGameName, "/");\r
 380                                 strcat(lastLoadedGameName, namelist[sel+1]->d_name);\r
 381                                 tstf = fopen(lastLoadedGameName, "rb");\r
 382                                 if (tstf != NULL)\r
 383                                 {\r
 384                                         if (fread(&tmp, 1, 1, tstf) > 0 || ferror(tstf) == 0)\r
 385                                                 namelist[sel+1]->d_type = DT_REG;\r
 386                                         else    namelist[sel+1]->d_type = DT_DIR;\r
 387                                         fclose(tstf);\r
 388                                         goto again;\r
 389                                 }\r
 390                         }\r
 391                 }\r
 392                 if(inp & GP2X_X) break; // cancel\r
 393         }\r
 394 \r
 395         if (n > 0) {\r
 396                 while(n--) free(namelist[n]);\r
 397                 free(namelist);\r
 398         }\r
 399 \r
 400         return ret;\r
 401 }\r
 402 \r
 403 // ------------ patch/gg menu ------------\r
 404 \r
 405 #if 0 // TODO?\r
 406 static void draw_patchlist(int sel)\r
 407 {\r
 408         int start, i, pos;\r
 409 \r
 410         start = 12 - sel;\r
 411 \r
 412         gp2x_fceu_copy_bg();\r
 413 \r
 414         for (i = 0; i < PicoPatchCount; i++) {\r
 415                 pos = start + i;\r
 416                 if (pos < 0)  continue;\r
 417                 if (pos > 23) break;\r
 418                 gp2x_smalltext8_lim(14,     pos*10, PicoPatches[i].active ? "ON " : "OFF", 3);\r
 419                 gp2x_smalltext8_lim(14+6*4, pos*10, PicoPatches[i].name, 53-6);\r
 420         }\r
 421         pos = start + i;\r
 422         if (pos < 24) gp2x_smalltext8_lim(14, pos*10, "done", 4);\r
 423 \r
 424         gp2x_text_out15(5, 120, ">");\r
 425         gp2x_video_flip();\r
 426 }\r
 427 \r
 428 \r
 429 void patches_menu_loop(void)\r
 430 {\r
 431         int menu_sel = 0;\r
 432         unsigned long inp = 0;\r
 433 \r
 434         for(;;)\r
 435         {\r
 436                 draw_patchlist(menu_sel);\r
 437                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 438                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = PicoPatchCount; }\r
 439                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > PicoPatchCount) menu_sel = 0; }\r
 440                 if(inp &(GP2X_LEFT|GP2X_L))  { menu_sel-=10; if (menu_sel < 0) menu_sel = 0; }\r
 441                 if(inp &(GP2X_RIGHT|GP2X_R)) { menu_sel+=10; if (menu_sel > PicoPatchCount) menu_sel = PicoPatchCount; }\r
 442                 if(inp & GP2X_B) { // action\r
 443                         if (menu_sel < PicoPatchCount)\r
 444                                 PicoPatches[menu_sel].active = !PicoPatches[menu_sel].active;\r
 445                         else    return;\r
 446                 }\r
 447                 if(inp & GP2X_X) return;\r
 448         }\r
 449 \r
 450 }\r
 451 \r
 452 // ------------ savestate loader ------------\r
 453 \r
 454 static void menu_prepare_bg(void);\r
 455 \r
 456 static int state_slot_flags = 0;\r
 457 \r
 458 static void state_check_slots(void)\r
 459 {\r
 460         int slot;\r
 461 \r
 462         state_slot_flags = 0;\r
 463 \r
 464         for (slot = 0; slot < 10; slot++)\r
 465         {\r
 466                 if (emu_check_save_file(slot))\r
 467                 {\r
 468                         state_slot_flags |= 1 << slot;\r
 469                 }\r
 470         }\r
 471 }\r
 472 \r
 473 static void draw_savestate_bg(int slot)\r
 474 {\r
 475         struct PicoVideo tmp_pv;\r
 476         unsigned short tmp_cram[0x40];\r
 477         unsigned short tmp_vsram[0x40];\r
 478         void *tmp_vram, *file;\r
 479         char *fname;\r
 480 \r
 481         fname = emu_GetSaveFName(1, 0, slot);\r
 482         if (!fname) return;\r
 483 \r
 484         tmp_vram = malloc(sizeof(Pico.vram));\r
 485         if (tmp_vram == NULL) return;\r
 486 \r
 487         memcpy(tmp_vram, Pico.vram, sizeof(Pico.vram));\r
 488         memcpy(tmp_cram, Pico.cram, sizeof(Pico.cram));\r
 489         memcpy(tmp_vsram, Pico.vsram, sizeof(Pico.vsram));\r
 490         memcpy(&tmp_pv, &Pico.video, sizeof(Pico.video));\r
 491 \r
 492         if (strcmp(fname + strlen(fname) - 3, ".gz") == 0) {\r
 493                 file = gzopen(fname, "rb");\r
 494                 emu_set_save_cbs(1);\r
 495         } else {\r
 496                 file = fopen(fname, "rb");\r
 497                 emu_set_save_cbs(0);\r
 498         }\r
 499 \r
 500         if (file) {\r
 501                 if (PicoMCD & 1) {\r
 502                         PicoCdLoadStateGfx(file);\r
 503                 } else {\r
 504                         areaSeek(file, 0x10020, SEEK_SET);  // skip header and RAM in state file\r
 505                         areaRead(Pico.vram, 1, sizeof(Pico.vram), file);\r
 506                         areaSeek(file, 0x2000, SEEK_CUR);\r
 507                         areaRead(Pico.cram, 1, sizeof(Pico.cram), file);\r
 508                         areaRead(Pico.vsram, 1, sizeof(Pico.vsram), file);\r
 509                         areaSeek(file, 0x221a0, SEEK_SET);\r
 510                         areaRead(&Pico.video, 1, sizeof(Pico.video), file);\r
 511                 }\r
 512                 areaClose(file);\r
 513         }\r
 514 \r
 515         emu_forced_frame();\r
 516         gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);\r
 517         menu_prepare_bg();\r
 518 \r
 519         memcpy(Pico.vram, tmp_vram, sizeof(Pico.vram));\r
 520         memcpy(Pico.cram, tmp_cram, sizeof(Pico.cram));\r
 521         memcpy(Pico.vsram, tmp_vsram, sizeof(Pico.vsram));\r
 522         memcpy(&Pico.video, &tmp_pv,  sizeof(Pico.video));\r
 523         free(tmp_vram);\r
 524 }\r
 525 \r
 526 static void draw_savestate_menu(int menu_sel, int is_loading)\r
 527 {\r
 528         int tl_x = 25, tl_y = 60, y, i;\r
 529 \r
 530         if (state_slot_flags & (1 << menu_sel))\r
 531                 draw_savestate_bg(menu_sel);\r
 532         gp2x_fceu_copy_bg();\r
 533 \r
 534         gp2x_text_out15(tl_x, 30, is_loading ? "Load state" : "Save state");\r
 535 \r
 536         /* draw all 10 slots */\r
 537         y = tl_y;\r
 538         for (i = 0; i < 10; i++, y+=10)\r
 539         {\r
 540                 gp2x_text_out15(tl_x, y, "SLOT %i (%s)", i, (state_slot_flags & (1 << i)) ? "USED" : "free");\r
 541         }\r
 542         gp2x_text_out15(tl_x, y, "back");\r
 543 \r
 544         // draw cursor\r
 545         gp2x_text_out15(tl_x - 16, tl_y + menu_sel*10, ">");\r
 546 \r
 547         gp2x_video_flip();\r
 548 }\r
 549 \r
 550 static int savestate_menu_loop(int is_loading)\r
 551 {\r
 552         int menu_sel = 10, menu_sel_max = 10;\r
 553         unsigned long inp = 0;\r
 554 \r
 555         state_check_slots();\r
 556 \r
 557         for(;;)\r
 558         {\r
 559                 draw_savestate_menu(menu_sel, is_loading);\r
 560                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 561                 if(inp & GP2X_UP  ) {\r
 562                         do {\r
 563                                 menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max;\r
 564                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 565                 }\r
 566                 if(inp & GP2X_DOWN) {\r
 567                         do {\r
 568                                 menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0;\r
 569                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 570                 }\r
 571                 if(inp & GP2X_B) { // save/load\r
 572                         if (menu_sel < 10) {\r
 573                                 state_slot = menu_sel;\r
 574                                 if (emu_SaveLoadGame(is_loading, 0)) {\r
 575                                         strcpy(menuErrorMsg, is_loading ? "Load failed" : "Save failed");\r
 576                                         return 1;\r
 577                                 }\r
 578                                 return 0;\r
 579                         } else  return 1;\r
 580                 }\r
 581                 if(inp & GP2X_X) return 1;\r
 582         }\r
 583 }\r
 584 #endif\r
 585 \r
 586 // -------------- key config --------------\r
 587 \r
 588 static char *usb_joy_key_name(int joy, int num)\r
 589 {\r
 590         static char name[16];\r
 591         switch (num)\r
 592         {\r
 593                 case 0: sprintf(name, "Joy%i UP", joy); break;\r
 594                 case 1: sprintf(name, "Joy%i DOWN", joy); break;\r
 595                 case 2: sprintf(name, "Joy%i LEFT", joy); break;\r
 596                 case 3: sprintf(name, "Joy%i RIGHT", joy); break;\r
 597                 default:sprintf(name, "Joy%i b%i", joy, num-3); break;\r
 598         }\r
 599         return name;\r
 600 }\r
 601 \r
 602 static char *action_binds(int player_idx, int action_mask)\r
 603 {\r
 604         static char strkeys[32*5];\r
 605         int joy, i;\r
 606 \r
 607         strkeys[0] = 0;\r
 608         for (i = 0; i < 32; i++) // i is key index\r
 609         {\r
 610                 if (Settings.KeyBinds[i] & action_mask)\r
 611                 {\r
 612                         if (player_idx >= 0 && ((Settings.KeyBinds[i] >> 16) & 3) != player_idx) continue;\r
 613                         if (strkeys[0]) { strcat(strkeys, " + "); strcat(strkeys, gp2xKeyNames[i]); break; }\r
 614                         else strcpy(strkeys, gp2xKeyNames[i]);\r
 615                 }\r
 616         }\r
 617         for (joy = 0; joy < num_of_joys; joy++)\r
 618         {\r
 619                 for (i = 0; i < 32; i++)\r
 620                 {\r
 621                         if (Settings.JoyBinds[joy][i] & action_mask)\r
 622                         {\r
 623                                 if (player_idx >= 0 && ((Settings.KeyBinds[i] >> 16) & 3) != player_idx) continue;\r
 624                                 if (strkeys[0]) {\r
 625                                         strcat(strkeys, ", "); strcat(strkeys, usb_joy_key_name(joy + 1, i));\r
 626                                         break;\r
 627                                 }\r
 628                                 else strcpy(strkeys, usb_joy_key_name(joy + 1, i));\r
 629                         }\r
 630                 }\r
 631         }\r
 632 \r
 633         return strkeys;\r
 634 }\r
 635 \r
 636 static void unbind_action(int action)\r
 637 {\r
 638         int i, u;\r
 639 \r
 640         for (i = 0; i < 32; i++)\r
 641                 Settings.KeyBinds[i] &= ~action;\r
 642         for (u = 0; u < 4; u++)\r
 643                 for (i = 0; i < 32; i++)\r
 644                         Settings.JoyBinds[u][i] &= ~action;\r
 645 }\r
 646 \r
 647 static int count_bound_keys(int action, int is_joy)\r
 648 {\r
 649         int i, u, keys = 0;\r
 650 \r
 651         if (is_joy)\r
 652         {\r
 653                 for (u = 0; u < 4; u++)\r
 654                         for (i = 0; i < 32; i++)\r
 655                                 if (Settings.JoyBinds[u][i] & action) keys++;\r
 656         }\r
 657         else\r
 658         {\r
 659                 for (i = 0; i < 32; i++)\r
 660                         if (Settings.KeyBinds[i] & action) keys++;\r
 661         }\r
 662         return keys;\r
 663 }\r
 664 \r
 665 typedef struct { char *name; int mask; } bind_action_t;\r
 666 \r
 667 static void draw_key_config(const bind_action_t *opts, int opt_cnt, int player_idx, int sel)\r
 668 {\r
 669         int x, y, tl_y = 40, i;\r
 670 \r
 671         gp2x_fceu_copy_bg();\r
 672         if (player_idx >= 0)\r
 673              gp2x_text_out15(80, 20, "Player %i controls", player_idx + 1);\r
 674         else gp2x_text_out15(80, 20, "Emulator controls");\r
 675 \r
 676         x = 40; y = tl_y;\r
 677         for (i = 0; i < opt_cnt; i++, y+=10)\r
 678                 gp2x_text_out15(x, y, "%s : %s", opts[i].name, action_binds(player_idx, opts[i].mask));\r
 679 \r
 680         gp2x_text_out15(x, y, "Done");\r
 681 \r
 682         // draw cursor\r
 683         gp2x_text_out15(x - 16, tl_y + sel*10, ">");\r
 684 \r
 685         if (sel < opt_cnt) {\r
 686                 gp2x_text_out15(30, 190, "Press a button to bind/unbind");\r
 687                 gp2x_text_out15(30, 200, "Use VOL+ to clear");\r
 688                 gp2x_text_out15(30, 210, "To bind UP/DOWN, hold VOL-");\r
 689                 gp2x_text_out15(30, 220, "Select \"Done\" to exit");\r
 690         } else {\r
 691                 gp2x_text_out15(30, 220, "Press B or X to exit");\r
 692         }\r
 693         gp2x_video_flip();\r
 694 }\r
 695 \r
 696 static void key_config_loop(const bind_action_t *opts, int opt_cnt, int player_idx)\r
 697 {\r
 698         int joy = 0, sel = 0, menu_sel_max = opt_cnt, i;\r
 699         unsigned long inp = 0;\r
 700 \r
 701         for (;;)\r
 702         {\r
 703                 draw_key_config(opts, opt_cnt, player_idx, sel);\r
 704                 inp = wait_for_input_usbjoy(CONFIGURABLE_KEYS|GP2X_VOL_DOWN|GP2X_VOL_UP, &joy);\r
 705                 // printf("got %08lX from joy %i\n", inp, joy);\r
 706                 if (joy == 0) {\r
 707                         if (!(inp & GP2X_VOL_DOWN)) {\r
 708                                 if(inp & GP2X_UP  ) { sel--; if (sel < 0) sel = menu_sel_max; continue; }\r
 709                                 if(inp & GP2X_DOWN) { sel++; if (sel > menu_sel_max) sel = 0; continue; }\r
 710                         }\r
 711                         if (sel >= opt_cnt) {\r
 712                                 if (inp & (GP2X_B|GP2X_X)) break;\r
 713                                 else continue;\r
 714                         }\r
 715                         // if we are here, we want to bind/unbind something\r
 716                         if (inp & GP2X_VOL_UP)\r
 717                                 unbind_action(opts[sel].mask);\r
 718                         inp &= CONFIGURABLE_KEYS;\r
 719                         for (i = 0; i < 32; i++)\r
 720                                 if (inp & (1 << i)) {\r
 721                                         if (count_bound_keys(opts[sel].mask, 0) >= 2)\r
 722                                              Settings.KeyBinds[i] &= ~opts[sel].mask; // allow to unbind only\r
 723                                         else Settings.KeyBinds[i] ^=  opts[sel].mask;\r
 724                                         if (player_idx >= 0) {\r
 725                                                 Settings.KeyBinds[i] &= ~(3 << 16);\r
 726                                                 Settings.KeyBinds[i] |= player_idx << 16;\r
 727                                         }\r
 728                                 }\r
 729                 } else if (sel < opt_cnt) {\r
 730                         for (i = 0; i < 32; i++)\r
 731                                 if (inp & (1 << i)) {\r
 732                                         if (count_bound_keys(opts[sel].mask, 1) >= 1) // disallow combos for usbjoy\r
 733                                              Settings.JoyBinds[joy-1][i] &= ~opts[sel].mask;\r
 734                                         else Settings.JoyBinds[joy-1][i] ^=  opts[sel].mask;\r
 735                                         if (player_idx >= 0) {\r
 736                                                 Settings.JoyBinds[joy-1][i] &= ~(3 << 16);\r
 737                                                 Settings.JoyBinds[joy-1][i] |= player_idx << 16;\r
 738                                         }\r
 739                                 }\r
 740                 }\r
 741         }\r
 742 }\r
 743 \r
 744 static void draw_kc_sel(int menu_sel)\r
 745 {\r
 746         int tl_x = 25+40, tl_y = 60, y, i;\r
 747         char joyname[36];\r
 748 \r
 749         y = tl_y;\r
 750         gp2x_fceu_copy_bg();\r
 751         gp2x_text_out15(tl_x, y,       "Player 1");\r
 752         gp2x_text_out15(tl_x, (y+=10), "Player 2");\r
 753         gp2x_text_out15(tl_x, (y+=10), "Emulator controls");\r
 754         gp2x_text_out15(tl_x, (y+=10), "Done");\r
 755 \r
 756         // draw cursor\r
 757         gp2x_text_out15(tl_x - 16, tl_y + menu_sel*10, ">");\r
 758 \r
 759         tl_x = 25;\r
 760         gp2x_text_out15(tl_x, (y=110), "USB joys detected:");\r
 761         if (num_of_joys > 0) {\r
 762                 for (i = 0; i < num_of_joys; i++) {\r
 763                         strncpy(joyname, joy_name(joys[i]), 33); joyname[33] = 0;\r
 764                         gp2x_text_out15(tl_x, (y+=10), "%i: %s", i+1, joyname);\r
 765                 }\r
 766         } else {\r
 767                 gp2x_text_out15(tl_x, (y+=10), "none");\r
 768         }\r
 769 \r
 770         gp2x_video_flip();\r
 771 }\r
 772 \r
 773 // b_turbo,a_turbo  RLDU SEBA\r
 774 static bind_action_t ctrl_actions[] =\r
 775 {\r
 776         { "UP     ", 0x010 },\r
 777         { "DOWN   ", 0x020 },\r
 778         { "LEFT   ", 0x040 },\r
 779         { "RIGHT  ", 0x080 },\r
 780         { "A      ", 0x001 },\r
 781         { "B      ", 0x002 },\r
 782         { "A TURBO", 0x100 },\r
 783         { "B TURBO", 0x200 },\r
 784         { "START  ", 0x008 },\r
 785         { "SELECT ", 0x004 },\r
 786 };\r
 787 \r
 788 static bind_action_t emuctrl_actions[] =\r
 789 {\r
 790         { "Save State       ", 1<<31 },\r
 791         { "Load State       ", 1<<30 },\r
 792         { "Next State Slot  ", 1<<29 },\r
 793         { "Prev State Slot  ", 1<<28 },\r
 794         { "FDS Insert/Eject ", 1<<27 },\r
 795         { "FDS Select Disk  ", 1<<26 },\r
 796         { "VSUni Insert Coin", 1<<25 },\r
 797 };\r
 798 \r
 799 static void kc_sel_loop(void)\r
 800 {\r
 801         int menu_sel = 3, menu_sel_max = 3;\r
 802         unsigned long inp = 0;\r
 803 \r
 804         for(;;)\r
 805         {\r
 806                 draw_kc_sel(menu_sel);\r
 807                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 808                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 809                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 810                 if(inp & GP2X_B) {\r
 811                         switch (menu_sel) {\r
 812                                 case 0: key_config_loop(ctrl_actions, 10, 0); return;\r
 813                                 case 1: key_config_loop(ctrl_actions,  8, 1); return;\r
 814                                 case 2: key_config_loop(emuctrl_actions,\r
 815                                                 sizeof(emuctrl_actions)/sizeof(emuctrl_actions[0]), -1); return;\r
 816                                 default: return;\r
 817                         }\r
 818                 }\r
 819                 if(inp & GP2X_X) return;\r
 820         }\r
 821 }\r
 822 \r
 823 \r
 824 // --------- FCEU options ----------\r
 825 \r
 826 extern int ntsccol,ntschue,ntsctint;\r
 827 extern int srendlinev[2];\r
 828 extern int erendlinev[2];\r
 829 extern int eoptions;\r
 830 \r
 831 \r
 832 static void int_incdec(int *p, int inc, int min, int max)\r
 833 {\r
 834         *p += inc;\r
 835         if      (*p < min) *p = min;\r
 836         else if (*p > max) *p = max;\r
 837 }\r
 838 \r
 839 static void draw_fcemenu_options(int menu_sel)\r
 840 {\r
 841         int tl_x = 25, tl_y = 60, y;\r
 842 \r
 843         y = tl_y;\r
 844         gp2x_fceu_copy_bg();\r
 845 \r
 846         gp2x_text_out15(tl_x,  y,      "NTSC Color Emulation       %s", ntsccol?"ON":"OFF");    // 0\r
 847         gp2x_text_out15(tl_x, (y+=10), "  Tint (default: 56)       %i", ntsctint);\r
 848         gp2x_text_out15(tl_x, (y+=10), "  Hue  (default: 72)       %i", ntschue);\r
 849         gp2x_text_out15(tl_x, (y+=10), "First visible line (NTSC)  %i", srendlinev[0]);\r
 850         gp2x_text_out15(tl_x, (y+=10), "Last visible line (NTSC)   %i", erendlinev[0]);\r
 851         gp2x_text_out15(tl_x, (y+=10), "First visible line (PAL)   %i", srendlinev[1]);         // 5\r
 852         gp2x_text_out15(tl_x, (y+=10), "Last visible line (PAL)    %i", erendlinev[1]);\r
 853         gp2x_text_out15(tl_x, (y+=10), "Clip 8 left/right columns  %s", (eoptions&EO_CLIPSIDES)?"ON":"OFF");\r
 854         gp2x_text_out15(tl_x, (y+=10), "Disable 8 sprite limit     %s", "TODO");\r
 855         gp2x_text_out15(tl_x, (y+=10), "Done");                                                 // 9\r
 856 \r
 857         // draw cursor\r
 858         gp2x_text_out15(tl_x - 16, tl_y + menu_sel*10, ">");\r
 859 \r
 860         gp2x_video_flip();\r
 861 }\r
 862 \r
 863 static void fcemenu_loop_options(void)\r
 864 {\r
 865         int menu_sel = 0, menu_sel_max = 9, i;\r
 866         unsigned long inp = 0;\r
 867 \r
 868         FCEUI_GetNTSCTH(&ntsctint, &ntschue);\r
 869 \r
 870         for(;;)\r
 871         {\r
 872                 draw_fcemenu_options(menu_sel);\r
 873                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
 874                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 875                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 876                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
 877                         switch (menu_sel) {\r
 878                                 case  0: ntsccol = !ntsccol; break;\r
 879                                 case  7: eoptions^=EO_CLIPSIDES; break;\r
 880                                 case  9: return;\r
 881                         }\r
 882                 }\r
 883                 if(inp & (GP2X_X|GP2X_A)) {\r
 884                         for(i=0;i<2;i++)\r
 885                         {\r
 886                                 if(srendlinev[i]<0 || srendlinev[i]>239) srendlinev[i]=0;\r
 887                                 if(erendlinev[i]<srendlinev[i] || erendlinev[i]>239) erendlinev[i]=239;\r
 888                         }\r
 889                         FCEUI_SetNTSCTH(ntsccol, ntsctint, ntschue);\r
 890                         FCEUI_SetRenderedLines(srendlinev[0],erendlinev[0],srendlinev[1],erendlinev[1]);\r
 891                         return;\r
 892                 }\r
 893                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
 894                         switch (menu_sel) {\r
 895                                 case  1: int_incdec(&ntsctint,      (inp & GP2X_LEFT) ? -1 : 1, 0, 128); break;\r
 896                                 case  2: int_incdec(&ntschue,       (inp & GP2X_LEFT) ? -1 : 1, 0, 128); break;\r
 897                                 case  3: int_incdec(&srendlinev[0], (inp & GP2X_LEFT) ? -1 : 1, 0, 239); break;\r
 898                                 case  4: int_incdec(&erendlinev[0], (inp & GP2X_LEFT) ? -1 : 1, 0, 239); break;\r
 899                                 case  5: int_incdec(&srendlinev[1], (inp & GP2X_LEFT) ? -1 : 1, 0, 239); break;\r
 900                                 case  6: int_incdec(&erendlinev[1], (inp & GP2X_LEFT) ? -1 : 1, 0, 239); break;\r
 901                         }\r
 902                 }\r
 903         }\r
 904 }\r
 905 \r
 906 // -------------- options --------------\r
 907 \r
 908 static void draw_menu_options(int menu_sel)\r
 909 {\r
 910         int tl_x = 25, tl_y = 32, y;\r
 911         char strframeskip[8], *strscaling, *strssconfirm;\r
 912         char *mms = mmuhack_status ? "active)  " : "inactive)";\r
 913 \r
 914         if (Settings.frameskip < 0)\r
 915              strcpy(strframeskip, "Auto");\r
 916         else sprintf(strframeskip, "%i", Settings.frameskip);\r
 917         switch (Settings.scaling) {\r
 918                 default: strscaling = "            OFF";   break;\r
 919                 case 1:  strscaling = "hw horizontal";     break;\r
 920                 case 2:  strscaling = "hw horiz. + vert."; break;\r
 921                 case 3:  strscaling = "sw horizontal";     break;\r
 922         }\r
 923         switch (Settings.sstate_confirm) {\r
 924                 default: strssconfirm = "OFF";    break;\r
 925                 case 1:  strssconfirm = "writes"; break;\r
 926                 case 2:  strssconfirm = "loads";  break;\r
 927                 case 3:  strssconfirm = "both";   break;\r
 928         }\r
 929 \r
 930         y = tl_y;\r
 931         gp2x_fceu_copy_bg();\r
 932 \r
 933         gp2x_text_out15(tl_x,  y,      "Scaling:       %s", strscaling);                                // 0\r
 934         gp2x_text_out15(tl_x, (y+=10), "Show FPS                   %s", Settings.showfps?"ON":"OFF");   // 1\r
 935         gp2x_text_out15(tl_x, (y+=10), "Frameskip                  %s", strframeskip);                  // 2\r
 936         gp2x_text_out15(tl_x, (y+=10), "Enable sound               %s", soundvol?"ON":"OFF");\r
 937         gp2x_text_out15(tl_x, (y+=10), "Sound Rate:           %5iHz", Settings.sound_rate);             // 4\r
 938         gp2x_text_out15(tl_x, (y+=10), "Force Region:              %s",\r
 939                 Settings.region_force == 2 ? "PAL" : Settings.region_force == 1 ? "NTSC" : "OFF");      // 5\r
 940         gp2x_text_out15(tl_x, (y+=10), "Use SRAM savestates        %s", "OFF");\r
 941         gp2x_text_out15(tl_x, (y+=10), "Turbo rate                 %iHz", (Settings.turbo_rate_add*60/2) >> 24);\r
 942         gp2x_text_out15(tl_x, (y+=10), "Confirm savestate          %s", strssconfirm);                  // 8\r
 943         gp2x_text_out15(tl_x, (y+=10), "Save slot                  %i", CurrentState);\r
 944         gp2x_text_out15(tl_x, (y+=10), "Faster RAM timings         %s", Settings.ramtimings?"ON":"OFF");\r
 945         gp2x_text_out15(tl_x, (y+=10), "squidgehack (now %s %s",   mms, Settings.mmuhack?"ON":"OFF");   // 11\r
 946         gp2x_text_out15(tl_x, (y+=10), "Gamma correction           %i.%02i", Settings.gamma / 100, Settings.gamma%100);\r
 947         gp2x_text_out15(tl_x, (y+=10), "GP2X CPU clock             %iMhz", Settings.cpuclock);          // 13\r
 948         gp2x_text_out15(tl_x, (y+=10), "[FCE Ultra options]");\r
 949         gp2x_text_out15(tl_x, (y+=10), "Save cfg as default");\r
 950         if (fceugi)\r
 951                 gp2x_text_out15(tl_x, (y+=10), "Save cfg for current game only");\r
 952 \r
 953         // draw cursor\r
 954         gp2x_text_out15(tl_x - 16, tl_y + menu_sel*10, ">");\r
 955 \r
 956         gp2x_video_flip();\r
 957 }\r
 958 \r
 959 static int sndrate_prevnext(int rate, int dir)\r
 960 {\r
 961         int i, rates[] = { 8000, 11025, 16000, 22050, 44100 };\r
 962 \r
 963         for (i = 0; i < 5; i++)\r
 964                 if (rates[i] == rate) break;\r
 965 \r
 966         i += dir ? 1 : -1;\r
 967         if (i > 4) return dir ? 44100 : 22050;\r
 968         if (i < 0) return dir ? 11025 : 8000;\r
 969         return rates[i];\r
 970 }\r
 971 \r
 972 static void config_commit(void)\r
 973 {\r
 974         gp2x_cpuclock_gamma_update();\r
 975         if (Settings.region_force)\r
 976                 FCEUI_SetVidSystem(Settings.region_force - 1);\r
 977 }\r
 978 \r
 979 static int menu_loop_options(void)\r
 980 {\r
 981         static int menu_sel = 0;\r
 982         int menu_sel_max = 15;\r
 983         unsigned long inp = 0;\r
 984 \r
 985         if (fceugi) menu_sel_max++;\r
 986 \r
 987         for(;;)\r
 988         {\r
 989                 draw_menu_options(menu_sel);\r
 990                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
 991                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 992                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 993                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
 994                         switch (menu_sel) {\r
 995                                 case  1: Settings.showfps    = !Settings.showfps; break;\r
 996                                 case  3: soundvol = soundvol ? 0 : 100; break;\r
 997                                 case 10: Settings.ramtimings = !Settings.ramtimings; break;\r
 998                                 case 11: Settings.mmuhack    = !Settings.mmuhack; break;\r
 999                                 case 14: fcemenu_loop_options(); break;\r
1000                                 case 15: // done (update and write)\r
1001                                         config_commit();\r
1002                                         SaveConfig(NULL);\r
1003                                         return 1;\r
1004                                 case 16: // done (update and write for current game)\r
1005                                         config_commit();\r
1006                                         if (lastLoadedGameName[0])\r
1007                                                 SaveConfig(lastLoadedGameName);\r
1008                                         return 1;\r
1009                         }\r
1010                 }\r
1011                 if(inp & (GP2X_X|GP2X_A)) {\r
1012                         config_commit();\r
1013                         return 0;  // done (update, no write)\r
1014                 }\r
1015                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
1016                         switch (menu_sel) {\r
1017                                 case  0: int_incdec(&Settings.scaling,   (inp & GP2X_LEFT) ? -1 : 1,  0,  3); break;\r
1018                                 case  2: int_incdec(&Settings.frameskip, (inp & GP2X_LEFT) ? -1 : 1, -1, 32); break;\r
1019                                 case  4:\r
1020                                         Settings.sound_rate = sndrate_prevnext(Settings.sound_rate, inp & GP2X_RIGHT);\r
1021                                         InitSound();\r
1022                                         break;\r
1023                                 case  5: int_incdec(&Settings.region_force,   (inp & GP2X_LEFT) ? -1 : 1, 0, 2); break;\r
1024                                 case  7: {\r
1025                                         int hz = Settings.turbo_rate_add*60/2 >> 24;\r
1026                                         int_incdec(&hz, (inp & GP2X_LEFT) ? -1 : 1, 1, 30);\r
1027                                         Settings.turbo_rate_add = (hz*2 << 24) / 60 + 1;\r
1028                                         break;\r
1029                                 }\r
1030                                 case  8: int_incdec(&Settings.sstate_confirm, (inp & GP2X_LEFT) ? -1 : 1, 0, 3); break;\r
1031                                 case  9: int_incdec(&CurrentState,            (inp & GP2X_LEFT) ? -1 : 1, 0, 9); break;\r
1032                                 case 12: int_incdec(&Settings.gamma,          (inp & GP2X_LEFT) ? -1 : 1, 0, 300); break;\r
1033                                 case 13:\r
1034                                         while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
1035                                                 Settings.cpuclock += (inp & GP2X_LEFT) ? -1 : 1;\r
1036                                                 if (Settings.cpuclock < 0) Settings.cpuclock = 0; // 0 ~ do not change\r
1037                                                 draw_menu_options(menu_sel);\r
1038                                                 usleep(50*1000);\r
1039                                         }\r
1040                                         break;\r
1041                         }\r
1042                 }\r
1043         }\r
1044 }\r
1045 \r
1046 // -------------- credits --------------\r
1047 \r
1048 static void draw_menu_credits(void)\r
1049 {\r
1050         char vstr[16];\r
1051 \r
1052         //int tl_x = 15, tl_y = 70;\r
1053         gp2x_fceu_copy_bg();\r
1054 \r
1055         sprintf(vstr, "GPFCE v" GP2X_PORT_VERSION " rev%i", GP2X_PORT_REV);\r
1056         gp2x_text_out15(20,  30, vstr);\r
1057         gp2x_text_out15(20,  40, "(c) notaz, 2007");\r
1058 \r
1059         gp2x_text_out15(20,  70, "Based on FCE Ultra versions");\r
1060         gp2x_text_out15(20,  80, "0.81 and 0.98.15");\r
1061 \r
1062         gp2x_text_out15(20, 110, "         - Credits - ");\r
1063         gp2x_text_out15(20, 130, "Bero: FCE");\r
1064         gp2x_text_out15(20, 140, "Xodnizel: FCE Ultra");\r
1065         gp2x_text_out15(20, 150, "zzhu8192: original port");\r
1066         gp2x_text_out15(20, 160, "rlyeh: minimal lib");\r
1067         gp2x_text_out15(20, 170, "Hermes, theoddbot, god_at_hell:");\r
1068         gp2x_text_out15(20, 180, "  cpuctrl, gamma libs");\r
1069         gp2x_text_out15(20, 190, "Squidge: squidgehack");\r
1070 \r
1071         gp2x_video_flip();\r
1072 }\r
1073 \r
1074 \r
1075 // -------------- root menu --------------\r
1076 \r
1077 static void draw_menu_root(int menu_sel)\r
1078 {\r
1079         int tl_x = 30, tl_y = 128, y;\r
1080         gp2x_fceu_copy_bg();\r
1081 \r
1082         y = tl_y;\r
1083         if (fceugi) {\r
1084                 gp2x_text_out15(tl_x, y,       "Resume game");\r
1085                 gp2x_text_out15(tl_x, (y+=10), "Save State");\r
1086                 gp2x_text_out15(tl_x, (y+=10), "Load State");\r
1087                 gp2x_text_out15(tl_x, (y+=10), "Reset game");\r
1088         } else {\r
1089                 y += 30;\r
1090         }\r
1091         gp2x_text_out15(tl_x, (y+=10), "Load new ROM");\r
1092         gp2x_text_out15(tl_x, (y+=10), "Options");\r
1093         gp2x_text_out15(tl_x, (y+=10), "Controls");\r
1094         gp2x_text_out15(tl_x, (y+=10), "Credits");\r
1095         gp2x_text_out15(tl_x, (y+=10), "Exit");\r
1096 // TODO\r
1097 //      if (PicoPatches)\r
1098 //              gp2x_text_out15(tl_x, (y+=10), "Patches / GameGenie");\r
1099 \r
1100         // draw cursor\r
1101         gp2x_text_out15(tl_x - 16, tl_y + menu_sel*10, ">");\r
1102         // error\r
1103         if (menuErrorMsg[0]) gp2x_text_out15(1, 230, menuErrorMsg);\r
1104         else {\r
1105                 char vstr[16];\r
1106                 sprintf(vstr, "v" GP2X_PORT_VERSION " r%i", GP2X_PORT_REV);\r
1107                 gp2x_text_out15(320-strlen(vstr)*8-1, 230, vstr);\r
1108         }\r
1109         gp2x_video_flip();\r
1110 }\r
1111 \r
1112 \r
1113 static int menu_loop_root(void)\r
1114 {\r
1115         int ret, menu_sel_max = 8, menu_sel_min = 4;\r
1116         static int menu_sel = 4;\r
1117         unsigned long inp = 0;\r
1118         char curr_path[PATH_MAX], *selfname;\r
1119         FILE *tstf;\r
1120 \r
1121         if ( (tstf = fopen(lastLoadedGameName, "rb")) )\r
1122         {\r
1123                 fclose(tstf);\r
1124                 strncpy(curr_path, lastLoadedGameName, sizeof(curr_path));\r
1125                 curr_path[sizeof(curr_path)-1] = 0;\r
1126         }\r
1127         else\r
1128         {\r
1129                 getcwd(curr_path, PATH_MAX);\r
1130         }\r
1131 \r
1132         if (fceugi) menu_sel_min = 0;\r
1133 // TODO if (PicoPatches) menu_sel_max = 9;\r
1134         if (menu_sel < menu_sel_min || menu_sel > menu_sel_max)\r
1135                 menu_sel = menu_sel_min;\r
1136 \r
1137         /* make sure action buttons are not pressed on entering menu */\r
1138         draw_menu_root(menu_sel);\r
1139         while (gp2x_joystick_read(1) & (GP2X_B|GP2X_X|GP2X_SELECT)) usleep(50*1000);\r
1140 \r
1141         for (;;)\r
1142         {\r
1143                 draw_menu_root(menu_sel);\r
1144                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
1145                 if(inp & GP2X_UP  )  { menu_sel--; if (menu_sel < menu_sel_min) menu_sel = menu_sel_max; }\r
1146                 if(inp & GP2X_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = menu_sel_min; }\r
1147                 if(inp &(GP2X_SELECT|GP2X_X)){\r
1148                         if (fceugi) {\r
1149                                 while (gp2x_joystick_read(1) & GP2X_X) usleep(50*1000); // wait until X is released\r
1150                                 Exit = 0;\r
1151                                 return 0;\r
1152                         }\r
1153                 }\r
1154                 if(inp & GP2X_B   )  {\r
1155                         switch (menu_sel) {\r
1156                                 case 0: // resume game\r
1157                                         if (fceugi) {\r
1158                                                 while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1159                                                 Exit = 0;\r
1160                                                 return 0;\r
1161                                         }\r
1162                                         break;\r
1163                                 case 1: // save state\r
1164                                         if (fceugi) {\r
1165                                                 /*if(savestate_menu_loop(0))\r
1166                                                         continue;*/\r
1167                                                 FCEUI_SaveState();\r
1168                                                 Exit = 0;\r
1169                                                 while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1170                                                 return 0;\r
1171                                         }\r
1172                                         break;\r
1173                                 case 2: // load state\r
1174                                         if (fceugi) {\r
1175                                                 /*if(savestate_menu_loop(1))\r
1176                                                         continue;*/\r
1177                                                 FCEUI_LoadState();\r
1178                                                 Exit = 0;\r
1179                                                 while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1180                                                 return 0;\r
1181                                         }\r
1182                                         break;\r
1183                                 case 3: // reset game\r
1184                                         if (fceugi) {\r
1185                                                 FCEU_DoSimpleCommand(FCEUNPCMD_RESET);\r
1186                                                 Exit = 0;\r
1187                                                 return 0;\r
1188                                         }\r
1189                                         break;\r
1190                                 case 4: // select rom\r
1191                                         selfname = romsel_loop(curr_path);\r
1192                                         if (selfname) {\r
1193                                                 printf("selected file: %s\n", selfname);\r
1194                                                 while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1195                                                 return 2;\r
1196                                         }\r
1197                                         break;\r
1198                                 case 5: // options\r
1199                                         ret = menu_loop_options();\r
1200                                         if (ret == 1) continue; // status update\r
1201                                         break;\r
1202                                 case 6: // controls\r
1203                                         kc_sel_loop();\r
1204                                         break;\r
1205                                 case 7: // credits\r
1206                                         draw_menu_credits();\r
1207                                         usleep(500*1000);\r
1208                                         inp = wait_for_input(GP2X_B|GP2X_X);\r
1209                                         break;\r
1210                                 case 8: // exit\r
1211                                         return 1;\r
1212                                 case 9: // patches/gg\r
1213                                         break;\r
1214                         }\r
1215                 }\r
1216                 menuErrorMsg[0] = 0; // clear error msg\r
1217         }\r
1218 }\r
1219 \r
1220 \r
1221 static void menu_prepare_bg(void)\r
1222 {\r
1223         // TODO...\r
1224 }\r
1225 \r
1226 static void menu_gfx_prepare(void)\r
1227 {\r
1228         menu_prepare_bg();\r
1229 \r
1230         // switch bpp\r
1231         gp2x_video_changemode(16);\r
1232         gp2x_video_set_offs(0);\r
1233         gp2x_video_RGB_setscaling(0, 320, 240);\r
1234         gp2x_video_flip();\r
1235 }\r
1236 \r
1237 \r
1238 int gp2x_menu_do(void)\r
1239 {\r
1240         int ret;\r
1241 \r
1242         menu_gfx_prepare();\r
1243 \r
1244         ret = menu_loop_root();\r
1245 \r
1246         menuErrorMsg[0] = 0;\r
1247 \r
1248         return ret;\r
1249 }\r
1250 \r
1251 \r