gp2x/menu.c

   1 // (c) Copyright 2006 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 "fonts.h"\r
  17 #include "usbjoy.h"\r
  18 #include "version.h"\r
  19 \r
  20 #include "Pico/PicoInt.h"\r
  21 #include "zlib/zlib.h"\r
  22 \r
  23 #ifndef _DIRENT_HAVE_D_TYPE\r
  24 #error "need d_type for file browser\r
  25 #endif\r
  26 \r
  27 extern char *actionNames[];\r
  28 extern char romFileName[PATH_MAX];\r
  29 extern char *rom_data;\r
  30 extern int  mmuhack_status;\r
  31 extern int  state_slot;\r
  32 \r
  33 static char *gp2xKeyNames[] = {\r
  34         "UP",    "???",    "LEFT", "???",  "DOWN", "???", "RIGHT",    "???",\r
  35         "START", "SELECT", "L",    "R",    "A",    "B",   "X",        "Y",\r
  36         "???",   "???",    "???",  "???",  "???",  "???", "VOL DOWN", "VOL UP",\r
  37         "???",   "???",    "???",  "PUSH", "???",  "???", "???",      "???"\r
  38 };\r
  39 \r
  40 char menuErrorMsg[40] = {0, };\r
  41 \r
  42 \r
  43 static void gp2x_text(unsigned char *screen, int x, int y, const char *text, int color)\r
  44 {\r
  45         int i,l;\r
  46 \r
  47         screen = screen + x + y*320;\r
  48 \r
  49         for (i = 0; i < strlen(text); i++)\r
  50         {\r
  51                 for (l=0;l<8;l++)\r
  52                 {\r
  53                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=color;\r
  54                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=color;\r
  55                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=color;\r
  56                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=color;\r
  57                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=color;\r
  58                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=color;\r
  59                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=color;\r
  60                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=color;\r
  61                 }\r
  62                 screen += 8;\r
  63         }\r
  64 }\r
  65 \r
  66 // draws white text to current bbp15 screen\r
  67 void gp2x_text_out15(int x, int y, const char *text)\r
  68 {\r
  69         int i,l;\r
  70         unsigned short *screen = gp2x_screen;\r
  71 \r
  72         screen = screen + x + y*320;\r
  73 \r
  74         for (i = 0; i < strlen(text); i++)\r
  75         {\r
  76                 for (l=0;l<8;l++)\r
  77                 {\r
  78                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=0xffff;\r
  79                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=0xffff;\r
  80                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=0xffff;\r
  81                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=0xffff;\r
  82                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=0xffff;\r
  83                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=0xffff;\r
  84                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=0xffff;\r
  85                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=0xffff;\r
  86                 }\r
  87                 screen += 8;\r
  88         }\r
  89 }\r
  90 \r
  91 \r
  92 void gp2x_text_out8(int x, int y, const char *texto, ...)\r
  93 {\r
  94         va_list args;\r
  95         char    buffer[512];\r
  96 \r
  97         va_start(args,texto);\r
  98         vsprintf(buffer,texto,args);\r
  99         va_end(args);\r
 100 \r
 101         gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
 102 }\r
 103 \r
 104 \r
 105 void gp2x_text_out8_2(int x, int y, const char *texto, int color)\r
 106 {\r
 107         gp2x_text(gp2x_screen, x, y, texto, color);\r
 108 }\r
 109 \r
 110 void gp2x_text_out8_lim(int x, int y, const char *texto, int max)\r
 111 {\r
 112         char    buffer[320/8+1];\r
 113 \r
 114         strncpy(buffer, texto, 320/8);\r
 115         if (max > 320/8) max = 320/8;\r
 116         if (max < 0) max = 0;\r
 117         buffer[max] = 0;\r
 118 \r
 119         gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
 120 }\r
 121 \r
 122 static void gp2x_smalltext8(int x, int y, const char *texto)\r
 123 {\r
 124         int i;\r
 125         unsigned char *src, *dst;\r
 126 \r
 127         for (i = 0;; i++, x += 6)\r
 128         {\r
 129                 unsigned char c = (unsigned char) texto[i];\r
 130                 int h = 8;\r
 131 \r
 132                 if (!c) break;\r
 133 \r
 134                 src = fontdata6x8[c];\r
 135                 dst = (unsigned char *)gp2x_screen + x + y*320;\r
 136 \r
 137                 while (h--)\r
 138                 {\r
 139                         int w = 0x20;\r
 140                         while (w)\r
 141                         {\r
 142                                 if( *src & w ) *dst = 0xf0;\r
 143                                 dst++;\r
 144                                 w>>=1;\r
 145                         }\r
 146                         src++;\r
 147 \r
 148                         dst += 320-6;\r
 149                 }\r
 150         }\r
 151 }\r
 152 \r
 153 static void gp2x_smalltext8_lim(int x, int y, const char *texto, int max)\r
 154 {\r
 155         char    buffer[320/6+1];\r
 156 \r
 157         strncpy(buffer, texto, 320/6);\r
 158         if (max > 320/6) max = 320/6;\r
 159         if (max < 0) max = 0;\r
 160         buffer[max] = 0;\r
 161 \r
 162         gp2x_smalltext8(x, y, buffer);\r
 163 }\r
 164 \r
 165 \r
 166 static unsigned long inp_prev = 0;\r
 167 static int inp_prevjoy = 0;\r
 168 \r
 169 static unsigned long wait_for_input(unsigned long interesting)\r
 170 {\r
 171         unsigned long ret;\r
 172         static int repeats = 0, wait = 300*1000;\r
 173         int release = 0, i;\r
 174 \r
 175         if (repeats == 5 || repeats == 15 || repeats == 30) wait /= 2;\r
 176 \r
 177         for (i = 0; i < 6 && inp_prev == gp2x_joystick_read(1); i++) {\r
 178                 if(i == 0) repeats++;\r
 179                 usleep(wait/6);\r
 180         }\r
 181 \r
 182         while ( !((ret = gp2x_joystick_read(1)) & interesting) ) {\r
 183                 usleep(50000);\r
 184                 release = 1;\r
 185         }\r
 186 \r
 187         if (release || ret != inp_prev) {\r
 188                 repeats = 0;\r
 189                 wait = 300*1000;\r
 190         }\r
 191         inp_prev = ret;\r
 192         inp_prevjoy = 0;\r
 193 \r
 194         // we don't need diagonals in menus\r
 195         if ((ret&GP2X_UP)   && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 196         if ((ret&GP2X_UP)   && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 197         if ((ret&GP2X_DOWN) && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 198         if ((ret&GP2X_DOWN) && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 199 \r
 200         return ret;\r
 201 }\r
 202 \r
 203 static unsigned long input2_read(unsigned long interesting, int *joy)\r
 204 {\r
 205         unsigned long ret;\r
 206         int i;\r
 207 \r
 208         do\r
 209         {\r
 210                 *joy = 0;\r
 211                 if ((ret = gp2x_joystick_read(0) & interesting)) break;\r
 212                 gp2x_usbjoy_update();\r
 213                 for (i = 0; i < num_of_joys; i++) {\r
 214                         ret = gp2x_usbjoy_check2(i);\r
 215                         if (ret) { *joy = i + 1; break; }\r
 216                 }\r
 217                 if (ret) break;\r
 218         }\r
 219         while(0);\r
 220 \r
 221         return ret;\r
 222 }\r
 223 \r
 224 // similar to wait_for_input(), but returns joy num\r
 225 static unsigned long wait_for_input_usbjoy(unsigned long interesting, int *joy)\r
 226 {\r
 227         unsigned long ret;\r
 228         const int wait = 300*1000;\r
 229         int i;\r
 230 \r
 231         if (inp_prevjoy == 0) inp_prev &= interesting;\r
 232         for (i = 0; i < 6; i++) {\r
 233                 ret = input2_read(interesting, joy);\r
 234                 if (*joy != inp_prevjoy || ret != inp_prev) break;\r
 235                 usleep(wait/6);\r
 236         }\r
 237 \r
 238         while ( !(ret = input2_read(interesting, joy)) ) {\r
 239                 usleep(50000);\r
 240         }\r
 241 \r
 242         inp_prev = ret;\r
 243         inp_prevjoy = *joy;\r
 244 \r
 245         return ret;\r
 246 }\r
 247 \r
 248 \r
 249 \r
 250 // -------------- ROM selector --------------\r
 251 \r
 252 static void draw_dirlist(char *curdir, struct dirent **namelist, int n, int sel)\r
 253 {\r
 254         int start, i, pos;\r
 255 \r
 256         start = 12 - sel;\r
 257         n--; // exclude current dir (".")\r
 258 \r
 259         //memset(gp2x_screen, 0, 320*240);\r
 260         gp2x_pd_clone_buffer2();\r
 261 \r
 262         if(start - 2 >= 0)\r
 263                 gp2x_smalltext8_lim(14, (start - 2)*10, curdir, 53-2);\r
 264         for (i = 0; i < n; i++) {\r
 265                 pos = start + i;\r
 266                 if (pos < 0)  continue;\r
 267                 if (pos > 23) break;\r
 268                 if (namelist[i+1]->d_type == DT_DIR) {\r
 269                         gp2x_smalltext8_lim(14,   pos*10, "/", 1);\r
 270                         gp2x_smalltext8_lim(14+6, pos*10, namelist[i+1]->d_name, 53-3);\r
 271                 } else {\r
 272                         gp2x_smalltext8_lim(14,   pos*10, namelist[i+1]->d_name, 53-2);\r
 273                 }\r
 274         }\r
 275         gp2x_text_out8(5, 120, ">");\r
 276         gp2x_video_flip2();\r
 277 }\r
 278 \r
 279 static int scandir_cmp(const void *p1, const void *p2)\r
 280 {\r
 281         struct dirent **d1 = (struct dirent **)p1, **d2 = (struct dirent **)p2;\r
 282         if ((*d1)->d_type == (*d2)->d_type) return alphasort(d1, d2);\r
 283         if ((*d1)->d_type == DT_DIR) return -1; // put before\r
 284         if ((*d2)->d_type == DT_DIR) return  1;\r
 285         return alphasort(d1, d2);\r
 286 }\r
 287 \r
 288 \r
 289 static char *romsel_loop(char *curr_path)\r
 290 {\r
 291         struct dirent **namelist;\r
 292         DIR *dir;\r
 293         int n, sel = 0;\r
 294         unsigned long inp = 0;\r
 295         char *ret = NULL, *fname = NULL;\r
 296 \r
 297         // is this a dir or a full path?\r
 298         if ((dir = opendir(curr_path))) {\r
 299                 closedir(dir);\r
 300         } else {\r
 301                 char *p;\r
 302                 for (p = curr_path + strlen(curr_path) - 1; p > curr_path && *p != '/'; p--);\r
 303                 *p = 0;\r
 304                 fname = p+1;\r
 305         }\r
 306 \r
 307         n = scandir(curr_path, &namelist, 0, scandir_cmp);\r
 308         if (n < 0) {\r
 309                 // try root\r
 310                 n = scandir(curr_path, &namelist, 0, scandir_cmp);\r
 311                 if (n < 0) {\r
 312                         // oops, we failed\r
 313                         printf("dir: "); printf(curr_path); printf("\n");\r
 314                         perror("scandir");\r
 315                         return NULL;\r
 316                 }\r
 317         }\r
 318 \r
 319         // try to find sel\r
 320         if (fname != NULL) {\r
 321                 int i;\r
 322                 for (i = 1; i < n; i++) {\r
 323                         if (strcmp(namelist[i]->d_name, fname) == 0) {\r
 324                                 sel = i - 1;\r
 325                                 break;\r
 326                         }\r
 327                 }\r
 328         }\r
 329 \r
 330         for (;;)\r
 331         {\r
 332                 draw_dirlist(curr_path, namelist, n, sel);\r
 333                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 334                 if(inp & GP2X_UP  )  { sel--;   if (sel < 0)   sel = n-2; }\r
 335                 if(inp & GP2X_DOWN)  { sel++;   if (sel > n-2) sel = 0; }\r
 336                 if(inp &(GP2X_LEFT|GP2X_L))  { sel-=10; if (sel < 0)   sel = 0; }\r
 337                 if(inp &(GP2X_RIGHT|GP2X_R)) { sel+=10; if (sel > n-2) sel = n-2; }\r
 338                 if(inp & GP2X_B)     { // enter dir/select\r
 339                         again:\r
 340                         if (namelist[sel+1]->d_type == DT_REG) {\r
 341                                 strcpy(romFileName, curr_path);\r
 342                                 strcat(romFileName, "/");\r
 343                                 strcat(romFileName, namelist[sel+1]->d_name);\r
 344                                 ret = romFileName;\r
 345                                 break;\r
 346                         } else if (namelist[sel+1]->d_type == DT_DIR) {\r
 347                                 int newlen = strlen(curr_path) + strlen(namelist[sel+1]->d_name) + 2;\r
 348                                 char *p, *newdir = malloc(newlen);\r
 349                                 if (strcmp(namelist[sel+1]->d_name, "..") == 0) {\r
 350                                         char *start = curr_path;\r
 351                                         p = start + strlen(start) - 1;\r
 352                                         while (*p == '/' && p > start) p--;\r
 353                                         while (*p != '/' && p > start) p--;\r
 354                                         if (p <= start) strcpy(newdir, "/");\r
 355                                         else { strncpy(newdir, start, p-start); newdir[p-start] = 0; }\r
 356                                 } else {\r
 357                                         strcpy(newdir, curr_path);\r
 358                                         p = newdir + strlen(newdir) - 1;\r
 359                                         while (*p == '/' && p >= newdir) *p-- = 0;\r
 360                                         strcat(newdir, "/");\r
 361                                         strcat(newdir, namelist[sel+1]->d_name);\r
 362                                 }\r
 363                                 ret = romsel_loop(newdir);\r
 364                                 free(newdir);\r
 365                                 break;\r
 366                         } else {\r
 367                                 // unknown file type, happens on NTFS mounts. Try to guess.\r
 368                                 FILE *tstf; int tmp;\r
 369                                 strcpy(romFileName, curr_path);\r
 370                                 strcat(romFileName, "/");\r
 371                                 strcat(romFileName, namelist[sel+1]->d_name);\r
 372                                 tstf = fopen(romFileName, "rb");\r
 373                                 if (tstf != NULL)\r
 374                                 {\r
 375                                         if (fread(&tmp, 1, 1, tstf) > 0 || ferror(tstf) == 0)\r
 376                                                 namelist[sel+1]->d_type = DT_REG;\r
 377                                         else    namelist[sel+1]->d_type = DT_DIR;\r
 378                                         fclose(tstf);\r
 379                                         goto again;\r
 380                                 }\r
 381                         }\r
 382                 }\r
 383                 if(inp & GP2X_X) break; // cancel\r
 384         }\r
 385 \r
 386         if (n > 0) {\r
 387                 while(n--) free(namelist[n]);\r
 388                 free(namelist);\r
 389         }\r
 390 \r
 391         return ret;\r
 392 }\r
 393 \r
 394 // ------------ savestate loader ------------\r
 395 \r
 396 static void menu_prepare_bg(void);\r
 397 \r
 398 static int state_slot_flags = 0;\r
 399 \r
 400 static void state_check_slots(void)\r
 401 {\r
 402         int slot;\r
 403 \r
 404         state_slot_flags = 0;\r
 405 \r
 406         for (slot = 0; slot < 10; slot++)\r
 407         {\r
 408                 if (emu_check_save_file(slot))\r
 409                 {\r
 410                         state_slot_flags |= 1 << slot;\r
 411                 }\r
 412         }\r
 413 }\r
 414 \r
 415 static void draw_savestate_bg(int slot)\r
 416 {\r
 417         struct PicoVideo tmp_pv;\r
 418         unsigned short tmp_cram[0x40];\r
 419         unsigned short tmp_vsram[0x40];\r
 420         void *tmp_vram, *file;\r
 421         char *fname;\r
 422 \r
 423         fname = emu_GetSaveFName(1, 0, slot);\r
 424         if (!fname) return;\r
 425 \r
 426         tmp_vram = malloc(sizeof(Pico.vram));\r
 427         if (tmp_vram == NULL) return;\r
 428 \r
 429         memcpy(tmp_vram, Pico.vram, sizeof(Pico.vram));\r
 430         memcpy(tmp_cram, Pico.cram, sizeof(Pico.cram));\r
 431         memcpy(tmp_vsram, Pico.vsram, sizeof(Pico.vsram));\r
 432         memcpy(&tmp_pv, &Pico.video, sizeof(Pico.video));\r
 433 \r
 434         if (strcmp(fname + strlen(fname) - 3, ".gz") == 0) {\r
 435                 file = gzopen(fname, "rb");\r
 436                 emu_set_save_cbs(1);\r
 437         } else {\r
 438                 file = fopen(fname, "rb");\r
 439                 emu_set_save_cbs(0);\r
 440         }\r
 441 \r
 442         if (file) {\r
 443                 if (PicoMCD & 1) {\r
 444                         PicoCdLoadStateGfx(file);\r
 445                 } else {\r
 446                         areaSeek(file, 0x10020, SEEK_SET);  // skip header and RAM in state file\r
 447                         areaRead(Pico.vram, 1, sizeof(Pico.vram), file);\r
 448                         areaSeek(file, 0x2000, SEEK_CUR);\r
 449                         areaRead(Pico.cram, 1, sizeof(Pico.cram), file);\r
 450                         areaRead(Pico.vsram, 1, sizeof(Pico.vsram), file);\r
 451                         areaSeek(file, 0x221a0, SEEK_SET);\r
 452                         areaRead(&Pico.video, 1, sizeof(Pico.video), file);\r
 453                 }\r
 454                 areaClose(file);\r
 455         }\r
 456 \r
 457         emu_forced_frame();\r
 458         gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);\r
 459         menu_prepare_bg();\r
 460 \r
 461         memcpy(Pico.vram, tmp_vram, sizeof(Pico.vram));\r
 462         memcpy(Pico.cram, tmp_cram, sizeof(Pico.cram));\r
 463         memcpy(Pico.vsram, tmp_vsram, sizeof(Pico.vsram));\r
 464         memcpy(&Pico.video, &tmp_pv,  sizeof(Pico.video));\r
 465         free(tmp_vram);\r
 466 }\r
 467 \r
 468 static void draw_savestate_menu(int menu_sel, int is_loading)\r
 469 {\r
 470         int tl_x = 25, tl_y = 60, y, i;\r
 471 \r
 472         if (state_slot_flags & (1 << menu_sel))\r
 473                 draw_savestate_bg(menu_sel);\r
 474         gp2x_pd_clone_buffer2();\r
 475 \r
 476         gp2x_text_out8(tl_x, 30, is_loading ? "Load state" : "Save state");\r
 477 \r
 478         /* draw all 10 slots */\r
 479         y = tl_y;\r
 480         for (i = 0; i < 10; i++, y+=10)\r
 481         {\r
 482                 gp2x_text_out8(tl_x, y, "SLOT %i (%s)", i, (state_slot_flags & (1 << i)) ? "USED" : "free");\r
 483         }\r
 484         gp2x_text_out8(tl_x, y, "back");\r
 485 \r
 486         // draw cursor\r
 487         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 488 \r
 489         gp2x_video_flip2();\r
 490 }\r
 491 \r
 492 static int savestate_menu_loop(int is_loading)\r
 493 {\r
 494         int menu_sel = 10, menu_sel_max = 10;\r
 495         unsigned long inp = 0;\r
 496 \r
 497         state_check_slots();\r
 498 \r
 499         for(;;)\r
 500         {\r
 501                 draw_savestate_menu(menu_sel, is_loading);\r
 502                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 503                 if(inp & GP2X_UP  ) {\r
 504                         do {\r
 505                                 menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max;\r
 506                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 507                 }\r
 508                 if(inp & GP2X_DOWN) {\r
 509                         do {\r
 510                                 menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0;\r
 511                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 512                 }\r
 513                 if(inp & GP2X_B) { // save/load\r
 514                         if (menu_sel < 10) {\r
 515                                 state_slot = menu_sel;\r
 516                                 if (emu_SaveLoadGame(is_loading, 0)) {\r
 517                                         strcpy(menuErrorMsg, is_loading ? "Load failed" : "Save failed");\r
 518                                         return 1;\r
 519                                 }\r
 520                                 return 0;\r
 521                         } else  return 1;\r
 522                 }\r
 523                 if(inp & GP2X_X) return 1;\r
 524         }\r
 525 }\r
 526 \r
 527 // -------------- key config --------------\r
 528 \r
 529 static char *usb_joy_key_name(int joy, int num)\r
 530 {\r
 531         static char name[16];\r
 532         switch (num)\r
 533         {\r
 534                 case 0: sprintf(name, "Joy%i UP", joy); break;\r
 535                 case 1: sprintf(name, "Joy%i DOWN", joy); break;\r
 536                 case 2: sprintf(name, "Joy%i LEFT", joy); break;\r
 537                 case 3: sprintf(name, "Joy%i RIGHT", joy); break;\r
 538                 default:sprintf(name, "Joy%i b%i", joy, num-3); break;\r
 539         }\r
 540         return name;\r
 541 }\r
 542 \r
 543 static void draw_key_config(int curr_act, int is_p2)\r
 544 {\r
 545         char strkeys[32*5];\r
 546         int joy, i;\r
 547 \r
 548         strkeys[0] = 0;\r
 549         for (i = 0; i < 32; i++)\r
 550         {\r
 551                 if (currentConfig.KeyBinds[i] & (1 << curr_act))\r
 552                 {\r
 553                         if (curr_act < 16 && (currentConfig.KeyBinds[i] & (1 << 16)) != (is_p2 << 16)) continue;\r
 554                         if (strkeys[0]) { strcat(strkeys, " + "); strcat(strkeys, gp2xKeyNames[i]); break; }\r
 555                         else strcpy(strkeys, gp2xKeyNames[i]);\r
 556                 }\r
 557         }\r
 558         for (joy = 0; joy < num_of_joys; joy++)\r
 559         {\r
 560                 for (i = 0; i < 32; i++)\r
 561                 {\r
 562                         if (currentConfig.JoyBinds[joy][i] & (1 << curr_act))\r
 563                         {\r
 564                                 if (curr_act < 16 && (currentConfig.JoyBinds[joy][i] & (1 << 16)) != (is_p2 << 16)) continue;\r
 565                                 if (strkeys[0]) {\r
 566                                         strcat(strkeys, ", "); strcat(strkeys, usb_joy_key_name(joy + 1, i));\r
 567                                         break;\r
 568                                 }\r
 569                                 else strcpy(strkeys, usb_joy_key_name(joy + 1, i));\r
 570                         }\r
 571                 }\r
 572         }\r
 573 \r
 574         //memset(gp2x_screen, 0, 320*240);\r
 575         gp2x_pd_clone_buffer2();\r
 576         gp2x_text_out8(60, 40, "Action: %s", actionNames[curr_act]);\r
 577         gp2x_text_out8(60, 60, "Keys: %s", strkeys);\r
 578 \r
 579         gp2x_text_out8(30, 180, "Use SELECT to change action");\r
 580         gp2x_text_out8(30, 190, "Press a key to bind/unbind");\r
 581         gp2x_text_out8(30, 200, "Select \"Done\" action and");\r
 582         gp2x_text_out8(30, 210, "  press any key to finish");\r
 583         gp2x_video_flip2();\r
 584 }\r
 585 \r
 586 static void key_config_loop(int is_p2)\r
 587 {\r
 588         int curr_act = 0, joy = 0, i;\r
 589         unsigned long inp = 0;\r
 590 \r
 591         for (;;)\r
 592         {\r
 593                 draw_key_config(curr_act, is_p2);\r
 594                 inp = wait_for_input_usbjoy(CONFIGURABLE_KEYS, &joy);\r
 595                 // printf("got %08lX from joy %i\n", inp, joy);\r
 596                 if (joy == 0) {\r
 597                         if (inp & GP2X_SELECT) {\r
 598                                 curr_act++;\r
 599                                 while (!actionNames[curr_act] && curr_act < 32) curr_act++;\r
 600                                 if (curr_act > 31) curr_act = 0;\r
 601                         }\r
 602                         inp &= CONFIGURABLE_KEYS;\r
 603                         inp &= ~GP2X_SELECT;\r
 604                 }\r
 605                 if (curr_act == 31 && inp) break;\r
 606                 if (joy == 0) {\r
 607                         for (i = 0; i < 32; i++)\r
 608                                 if (inp & (1 << i)) {\r
 609                                         currentConfig.KeyBinds[i] ^= (1 << curr_act);\r
 610                                         if (is_p2) currentConfig.KeyBinds[i] |=  (1 << 16); // player 2 flag\r
 611                                         else       currentConfig.KeyBinds[i] &= ~(1 << 16);\r
 612                                 }\r
 613                 } else {\r
 614                         for (i = 0; i < 32; i++)\r
 615                                 if (inp & (1 << i)) {\r
 616                                         currentConfig.JoyBinds[joy-1][i] ^= (1 << curr_act);\r
 617                                         if (is_p2) currentConfig.JoyBinds[joy-1][i] |=  (1 << 16);\r
 618                                         else       currentConfig.JoyBinds[joy-1][i] &= ~(1 << 16);\r
 619                                 }\r
 620                 }\r
 621         }\r
 622 }\r
 623 \r
 624 static void draw_kc_sel(int menu_sel)\r
 625 {\r
 626         int tl_x = 25+40, tl_y = 60, y, i;\r
 627         char joyname[36];\r
 628 \r
 629         y = tl_y;\r
 630         //memset(gp2x_screen, 0, 320*240);\r
 631         gp2x_pd_clone_buffer2();\r
 632         gp2x_text_out8(tl_x, y,       "Player 1");\r
 633         gp2x_text_out8(tl_x, (y+=10), "Player 2");\r
 634         gp2x_text_out8(tl_x, (y+=10), "Done");\r
 635 \r
 636         // draw cursor\r
 637         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 638 \r
 639         tl_x = 25;\r
 640         gp2x_text_out8(tl_x, (y=110), "USB joys detected:");\r
 641         if (num_of_joys > 0) {\r
 642                 for (i = 0; i < num_of_joys; i++) {\r
 643                         strncpy(joyname, joy_name(joys[i]), 33); joyname[33] = 0;\r
 644                         gp2x_text_out8(tl_x, (y+=10), "%i: %s", i+1, joyname);\r
 645                 }\r
 646         } else {\r
 647                 gp2x_text_out8(tl_x, (y+=10), "none");\r
 648         }\r
 649 \r
 650 \r
 651         gp2x_video_flip2();\r
 652 }\r
 653 \r
 654 static void kc_sel_loop(void)\r
 655 {\r
 656         int menu_sel = 2, menu_sel_max = 2;\r
 657         unsigned long inp = 0;\r
 658 \r
 659         for(;;)\r
 660         {\r
 661                 draw_kc_sel(menu_sel);\r
 662                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 663                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 664                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 665                 if(inp & GP2X_B) {\r
 666                         switch (menu_sel) {\r
 667                                 case 0: key_config_loop(0); return;\r
 668                                 case 1: key_config_loop(1); return;\r
 669                                 default: return;\r
 670                         }\r
 671                 }\r
 672                 if(inp & GP2X_X) return;\r
 673         }\r
 674 }\r
 675 \r
 676 \r
 677 \r
 678 // --------- sega/mega cd options ----------\r
 679 \r
 680 static void draw_cd_menu_options(int menu_sel, char *b_us, char *b_eu, char *b_jp)\r
 681 {\r
 682         int tl_x = 25, tl_y = 60, y;\r
 683 \r
 684         y = tl_y;\r
 685         //memset(gp2x_screen, 0, 320*240);\r
 686         gp2x_pd_clone_buffer2();\r
 687 \r
 688         gp2x_text_out8(tl_x, y,       "USA BIOS:     %s", b_us); // 0\r
 689         gp2x_text_out8(tl_x, (y+=10), "EUR BIOS:     %s", b_eu); // 1\r
 690         gp2x_text_out8(tl_x, (y+=10), "JAP BIOS:     %s", b_jp); // 2\r
 691         gp2x_text_out8(tl_x, (y+=10), "CD LEDs                    %s", (currentConfig.EmuOpt &0x0400)?"ON":"OFF"); // 3\r
 692         gp2x_text_out8(tl_x, (y+=10), "CDDA audio (using mp3s)    %s", (currentConfig.PicoOpt&0x0800)?"ON":"OFF"); // 4\r
 693         gp2x_text_out8(tl_x, (y+=10), "PCM audio                  %s", (currentConfig.PicoOpt&0x0400)?"ON":"OFF"); // 5\r
 694         gp2x_text_out8(tl_x, (y+=10), "Better sync (very slow)    %s", (currentConfig.PicoOpt&0x2000)?"ON":"OFF"); // 6\r
 695         gp2x_text_out8(tl_x, (y+=10), "Done");\r
 696 \r
 697         // draw cursor\r
 698         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 699 \r
 700         if ((menu_sel == 0 && strcmp(b_us, "NOT FOUND")) ||\r
 701                 (menu_sel == 1 && strcmp(b_eu, "NOT FOUND")) ||\r
 702                 (menu_sel == 2 && strcmp(b_jp, "NOT FOUND")))\r
 703                         gp2x_text_out8(tl_x, 220, "Press start to test selected BIOS");\r
 704 \r
 705         gp2x_video_flip2();\r
 706 }\r
 707 \r
 708 static void cd_menu_loop_options(void)\r
 709 {\r
 710         int menu_sel = 0, menu_sel_max = 7;\r
 711         unsigned long inp = 0;\r
 712         char bios_us[32], bios_eu[32], bios_jp[32], *bios, *p;\r
 713 \r
 714         if (find_bios(4, &bios)) { // US\r
 715                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 716                 strncpy(bios_us, p, 31); bios_us[31] = 0;\r
 717         } else  strcpy(bios_us, "NOT FOUND");\r
 718 \r
 719         if (find_bios(8, &bios)) { // EU\r
 720                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 721                 strncpy(bios_eu, p, 31); bios_eu[31] = 0;\r
 722         } else  strcpy(bios_eu, "NOT FOUND");\r
 723 \r
 724         if (find_bios(1, &bios)) { // JP\r
 725                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 726                 strncpy(bios_jp, p, 31); bios_jp[31] = 0;\r
 727         } else  strcpy(bios_jp, "NOT FOUND");\r
 728 \r
 729         for(;;)\r
 730         {\r
 731                 draw_cd_menu_options(menu_sel, bios_us, bios_eu, bios_jp);\r
 732                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A|GP2X_START);\r
 733                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 734                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 735                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
 736                         switch (menu_sel) {\r
 737                                 case  3: currentConfig.EmuOpt ^=0x0400; break;\r
 738                                 case  4: currentConfig.PicoOpt^=0x0800; break;\r
 739                                 case  5: currentConfig.PicoOpt^=0x0400; break;\r
 740                                 case  6: currentConfig.PicoOpt^=0x2000; break;\r
 741                                 case  7: return;\r
 742                         }\r
 743                 }\r
 744                 if(inp & (GP2X_X|GP2X_A)) return;\r
 745                 if(inp &  GP2X_START) { // BIOS testers\r
 746                         switch (menu_sel) {\r
 747                                 case 0: if (find_bios(4, &bios)) { // test US\r
 748                                                 strcpy(romFileName, bios);\r
 749                                                 engineState = PGS_ReloadRom;\r
 750                                                 return;\r
 751                                         }\r
 752                                         break;\r
 753                                 case 1: if (find_bios(8, &bios)) { // test EU\r
 754                                                 strcpy(romFileName, bios);\r
 755                                                 engineState = PGS_ReloadRom;\r
 756                                                 return;\r
 757                                         }\r
 758                                         break;\r
 759                                 case 2: if (find_bios(1, &bios)) { // test JP\r
 760                                                 strcpy(romFileName, bios);\r
 761                                                 engineState = PGS_ReloadRom;\r
 762                                                 return;\r
 763                                         }\r
 764                                         break;\r
 765                         }\r
 766                 }\r
 767         }\r
 768 }\r
 769 \r
 770 \r
 771 // --------- advanced options ----------\r
 772 \r
 773 static void draw_amenu_options(int menu_sel)\r
 774 {\r
 775         int tl_x = 25, tl_y = 60, y;\r
 776         char *mms = mmuhack_status ? "active)  " : "inactive)";\r
 777 \r
 778         y = tl_y;\r
 779         //memset(gp2x_screen, 0, 320*240);\r
 780         gp2x_pd_clone_buffer2();\r
 781 \r
 782         gp2x_text_out8(tl_x, y,       "Scale 32 column mode       %s", (currentConfig.PicoOpt&0x100)?"ON":"OFF"); // 0\r
 783         gp2x_text_out8(tl_x, (y+=10), "Gamma correction           %i.%02i", currentConfig.gamma / 100, currentConfig.gamma%100); // 1\r
 784         gp2x_text_out8(tl_x, (y+=10), "Emulate Z80                %s", (currentConfig.PicoOpt&0x004)?"ON":"OFF"); // 2\r
 785         gp2x_text_out8(tl_x, (y+=10), "Emulate YM2612 (FM)        %s", (currentConfig.PicoOpt&0x001)?"ON":"OFF"); // 3\r
 786         gp2x_text_out8(tl_x, (y+=10), "Emulate SN76496 (PSG)      %s", (currentConfig.PicoOpt&0x002)?"ON":"OFF"); // 4\r
 787         gp2x_text_out8(tl_x, (y+=10), "gzip savestates            %s", (currentConfig.EmuOpt &0x008)?"ON":"OFF"); // 5\r
 788         gp2x_text_out8(tl_x, (y+=10), "Don't save config on exit  %s", (currentConfig.EmuOpt &0x020)?"ON":"OFF"); // 6\r
 789         gp2x_text_out8(tl_x, (y+=10), "needs restart:");\r
 790         gp2x_text_out8(tl_x, (y+=10), "craigix's RAM timings      %s", (currentConfig.EmuOpt &0x100)?"ON":"OFF"); // 8\r
 791         gp2x_text_out8(tl_x, (y+=10), "squidgehack (now %s %s",   mms, (currentConfig.EmuOpt &0x010)?"ON":"OFF"); // 9\r
 792         gp2x_text_out8(tl_x, (y+=10), "Done");\r
 793 \r
 794         // draw cursor\r
 795         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 796 \r
 797         gp2x_video_flip2();\r
 798 }\r
 799 \r
 800 static void amenu_loop_options(void)\r
 801 {\r
 802         int menu_sel = 0, menu_sel_max = 10;\r
 803         unsigned long inp = 0;\r
 804 \r
 805         for(;;)\r
 806         {\r
 807                 draw_amenu_options(menu_sel);\r
 808                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
 809                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 810                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 811                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
 812                         switch (menu_sel) {\r
 813                                 case  0: currentConfig.PicoOpt^=0x100; break;\r
 814                                 case  2: currentConfig.PicoOpt^=0x004; break;\r
 815                                 case  3: currentConfig.PicoOpt^=0x001; break;\r
 816                                 case  4: currentConfig.PicoOpt^=0x002; break;\r
 817                                 case  5: currentConfig.EmuOpt ^=0x008; break;\r
 818                                 case  6: currentConfig.EmuOpt ^=0x020; break;\r
 819                                 case  8: currentConfig.EmuOpt ^=0x100; break;\r
 820                                 case  9: currentConfig.EmuOpt ^=0x010; break;\r
 821                                 case 10: return;\r
 822                         }\r
 823                 }\r
 824                 if(inp & (GP2X_X|GP2X_A)) return;\r
 825                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
 826                         switch (menu_sel) {\r
 827                                 case 1:\r
 828                                         while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
 829                                                 currentConfig.gamma += (inp & GP2X_LEFT) ? -1 : 1;\r
 830                                                 if (currentConfig.gamma <   1) currentConfig.gamma =   1;\r
 831                                                 if (currentConfig.gamma > 300) currentConfig.gamma = 300;\r
 832                                                 draw_amenu_options(menu_sel);\r
 833                                                 usleep(18*1000);\r
 834                                         }\r
 835                                         break;\r
 836                         }\r
 837                 }\r
 838         }\r
 839 }\r
 840 \r
 841 // -------------- options --------------\r
 842 \r
 843 static const char *region_name(unsigned int code)\r
 844 {\r
 845         static const char *names[] = { "Auto", "      Japan NTSC", "      Japan PAL", "      USA", "      Europe" };\r
 846         static const char *names_short[] = { "", " JP", " JP", " US", " EU" };\r
 847         int u, i = 0;\r
 848         if (code) {\r
 849                 code <<= 1;\r
 850                 while((code >>= 1)) i++;\r
 851                 if (i > 4) return "unknown";\r
 852                 return names[i];\r
 853         } else {\r
 854                 static char name[24];\r
 855                 strcpy(name, "Auto:");\r
 856                 for (u = 0; u < 3; u++) {\r
 857                         i = 0; code = ((PicoAutoRgnOrder >> u*4) & 0xf) << 1;\r
 858                         while((code >>= 1)) i++;\r
 859                         strcat(name, names_short[i]);\r
 860                 }\r
 861                 return name;\r
 862         }\r
 863 }\r
 864 \r
 865 static void draw_menu_options(int menu_sel)\r
 866 {\r
 867         int tl_x = 25, tl_y = 40, y;\r
 868         char monostereo[8], strframeskip[8], *strrend;\r
 869 \r
 870         strcpy(monostereo, (currentConfig.PicoOpt&0x08)?"stereo":"mono");\r
 871         if (currentConfig.Frameskip < 0)\r
 872                  strcpy(strframeskip, "Auto");\r
 873         else sprintf(strframeskip, "%i", currentConfig.Frameskip);\r
 874         if (currentConfig.PicoOpt&0x10) {\r
 875                 strrend = " 8bit fast";\r
 876         } else if (currentConfig.EmuOpt&0x80) {\r
 877                 strrend = "16bit accurate";\r
 878         } else {\r
 879                 strrend = " 8bit accurate";\r
 880         }\r
 881 \r
 882         y = tl_y;\r
 883         //memset(gp2x_screen, 0, 320*240);\r
 884         gp2x_pd_clone_buffer2();\r
 885 \r
 886         gp2x_text_out8(tl_x, y,       "Renderer:            %s", strrend); // 0\r
 887         gp2x_text_out8(tl_x, (y+=10), "Accurate timing (slower)   %s", (currentConfig.PicoOpt&0x040)?"ON":"OFF"); // 1\r
 888         gp2x_text_out8(tl_x, (y+=10), "Accurate sprites (slower)  %s", (currentConfig.PicoOpt&0x080)?"ON":"OFF"); // 2\r
 889         gp2x_text_out8(tl_x, (y+=10), "Show FPS                   %s", (currentConfig.EmuOpt &0x002)?"ON":"OFF"); // 3\r
 890         gp2x_text_out8(tl_x, (y+=10), "Frameskip                  %s", strframeskip);\r
 891         gp2x_text_out8(tl_x, (y+=10), "Enable sound               %s", (currentConfig.EmuOpt &0x004)?"ON":"OFF"); // 5\r
 892         gp2x_text_out8(tl_x, (y+=10), "Sound Quality:     %5iHz %s",   currentConfig.PsndRate, monostereo);\r
 893         gp2x_text_out8(tl_x, (y+=10), "Use ARM940 core for sound  %s", (currentConfig.PicoOpt&0x200)?"ON":"OFF"); // 7\r
 894         gp2x_text_out8(tl_x, (y+=10), "6 button pad               %s", (currentConfig.PicoOpt&0x020)?"ON":"OFF"); // 8\r
 895         gp2x_text_out8(tl_x, (y+=10), "Genesis Region:      %s",       region_name(currentConfig.PicoRegion));\r
 896         gp2x_text_out8(tl_x, (y+=10), "Use SRAM/BRAM savestates   %s", (currentConfig.EmuOpt &0x001)?"ON":"OFF"); // 10\r
 897         gp2x_text_out8(tl_x, (y+=10), "Confirm save overwrites    %s", (currentConfig.EmuOpt &0x200)?"ON":"OFF"); // 11\r
 898         gp2x_text_out8(tl_x, (y+=10), "Save slot                  %i", state_slot); // 12\r
 899         gp2x_text_out8(tl_x, (y+=10), "GP2X CPU clocks            %iMhz", currentConfig.CPUclock);\r
 900         gp2x_text_out8(tl_x, (y+=10), "[Sega/Mega CD options]");\r
 901         gp2x_text_out8(tl_x, (y+=10), "[advanced options]");            // 15\r
 902         gp2x_text_out8(tl_x, (y+=10), "Save cfg as default");\r
 903         if (rom_data)\r
 904                 gp2x_text_out8(tl_x, (y+=10), "Save cfg for current game only");\r
 905 \r
 906         // draw cursor\r
 907         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 908 \r
 909         gp2x_video_flip2();\r
 910 }\r
 911 \r
 912 static int sndrate_prevnext(int rate, int dir)\r
 913 {\r
 914         int i, rates[] = { 8000, 11025, 16000, 22050, 44100 };\r
 915 \r
 916         for (i = 0; i < 5; i++)\r
 917                 if (rates[i] == rate) break;\r
 918 \r
 919         i += dir ? 1 : -1;\r
 920         if (i > 4) return dir ? 44100 : 22050;\r
 921         if (i < 0) return dir ? 11025 : 8000;\r
 922         return rates[i];\r
 923 }\r
 924 \r
 925 static void region_prevnext(int right)\r
 926 {\r
 927         // jp_ntsc=1, jp_pal=2, usa=4, eu=8\r
 928         static int rgn_orders[] = { 0x148, 0x184, 0x814, 0x418, 0x841, 0x481 };\r
 929         int i;\r
 930         if (right) {\r
 931                 if (!currentConfig.PicoRegion) {\r
 932                         for (i = 0; i < 6; i++)\r
 933                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
 934                         if (i < 5) PicoAutoRgnOrder = rgn_orders[i+1];\r
 935                         else currentConfig.PicoRegion=1;\r
 936                 }\r
 937                 else currentConfig.PicoRegion<<=1;\r
 938                 if (currentConfig.PicoRegion > 8) currentConfig.PicoRegion = 8;\r
 939         } else {\r
 940                 if (!currentConfig.PicoRegion) {\r
 941                         for (i = 0; i < 6; i++)\r
 942                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
 943                         if (i > 0) PicoAutoRgnOrder = rgn_orders[i-1];\r
 944                 }\r
 945                 else currentConfig.PicoRegion>>=1;\r
 946         }\r
 947 }\r
 948 \r
 949 static void menu_options_save(void)\r
 950 {\r
 951         PicoOpt = currentConfig.PicoOpt;\r
 952         PsndRate = currentConfig.PsndRate;\r
 953         PicoRegionOverride = currentConfig.PicoRegion;\r
 954         if (PicoOpt & 0x20) {\r
 955                 actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r
 956                 actionNames[10] = "X"; actionNames[11] = "MODE";\r
 957         } else {\r
 958                 actionNames[8] = actionNames[9] = actionNames[10] = actionNames[11] = 0;\r
 959         }\r
 960 }\r
 961 \r
 962 static int menu_loop_options(void)\r
 963 {\r
 964         int menu_sel = 0, menu_sel_max = 16;\r
 965         unsigned long inp = 0;\r
 966 \r
 967         if (rom_data) menu_sel_max++;\r
 968         currentConfig.PicoOpt = PicoOpt;\r
 969         currentConfig.PsndRate = PsndRate;\r
 970         currentConfig.PicoRegion = PicoRegionOverride;\r
 971 \r
 972         for(;;)\r
 973         {\r
 974                 draw_menu_options(menu_sel);\r
 975                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
 976                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 977                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 978                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
 979                         switch (menu_sel) {\r
 980                                 case  1: currentConfig.PicoOpt^=0x040; break;\r
 981                                 case  2: currentConfig.PicoOpt^=0x080; break;\r
 982                                 case  3: currentConfig.EmuOpt ^=0x002; break;\r
 983                                 case  5: currentConfig.EmuOpt ^=0x004; break;\r
 984                                 case  7: currentConfig.PicoOpt^=0x200; break;\r
 985                                 case  8: currentConfig.PicoOpt^=0x020; break;\r
 986                                 case 10: currentConfig.EmuOpt ^=0x001; break;\r
 987                                 case 11: currentConfig.EmuOpt ^=0x200; break;\r
 988                                 case 14: cd_menu_loop_options();\r
 989                                         if (engineState == PGS_ReloadRom)\r
 990                                                 return 0; // test BIOS\r
 991                                         break;\r
 992                                 case 15: amenu_loop_options();    break;\r
 993                                 case 16: // done (update and write)\r
 994                                         menu_options_save();\r
 995                                         if (emu_WriteConfig(0)) strcpy(menuErrorMsg, "config saved");\r
 996                                         else strcpy(menuErrorMsg, "failed to write config");\r
 997                                         return 1;\r
 998                                 case 17: // done (update and write for current game)\r
 999                                         menu_options_save();\r
1000                                         if (emu_WriteConfig(1)) strcpy(menuErrorMsg, "config saved");\r
1001                                         else strcpy(menuErrorMsg, "failed to write config");\r
1002                                         return 1;\r
1003                         }\r
1004                 }\r
1005                 if(inp & (GP2X_X|GP2X_A)) {\r
1006                         menu_options_save();\r
1007                         return 0;  // done (update, no write)\r
1008                 }\r
1009                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
1010                         switch (menu_sel) {\r
1011                                 case  0:\r
1012                                         if (inp & GP2X_LEFT) {\r
1013                                                 if      (  currentConfig.PicoOpt&0x10) currentConfig.PicoOpt&= ~0x10;\r
1014                                                 else if (!(currentConfig.EmuOpt &0x80))currentConfig.EmuOpt |=  0x80;\r
1015                                                 else if (  currentConfig.EmuOpt &0x80) break;\r
1016                                         } else {\r
1017                                                 if      (  currentConfig.PicoOpt&0x10) break;\r
1018                                                 else if (!(currentConfig.EmuOpt &0x80))currentConfig.PicoOpt|=  0x10;\r
1019                                                 else if (  currentConfig.EmuOpt &0x80) currentConfig.EmuOpt &= ~0x80;\r
1020                                         }\r
1021                                         break;\r
1022                                 case  4:\r
1023                                         currentConfig.Frameskip += (inp & GP2X_LEFT) ? -1 : 1;\r
1024                                         if (currentConfig.Frameskip < 0)  currentConfig.Frameskip = -1;\r
1025                                         if (currentConfig.Frameskip > 32) currentConfig.Frameskip = 32;\r
1026                                         break;\r
1027                                 case  6:\r
1028                                         if ((inp & GP2X_RIGHT) && currentConfig.PsndRate == 44100 && !(currentConfig.PicoOpt&0x08)) {\r
1029                                                 currentConfig.PsndRate = 8000;  currentConfig.PicoOpt|= 0x08;\r
1030                                         } else if ((inp & GP2X_LEFT) && currentConfig.PsndRate == 8000 && (currentConfig.PicoOpt&0x08)) {\r
1031                                                 currentConfig.PsndRate = 44100; currentConfig.PicoOpt&=~0x08;\r
1032                                         } else currentConfig.PsndRate = sndrate_prevnext(currentConfig.PsndRate, inp & GP2X_RIGHT);\r
1033                                         break;\r
1034                                 case  9:\r
1035                                         region_prevnext(inp & GP2X_RIGHT);\r
1036                                         break;\r
1037                                 case 12:\r
1038                                         if (inp & GP2X_RIGHT) {\r
1039                                                 state_slot++; if (state_slot > 9) state_slot = 0;\r
1040                                         } else {state_slot--; if (state_slot < 0) state_slot = 9;\r
1041                                         }\r
1042                                         break;\r
1043                                 case 13:\r
1044                                         while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
1045                                                 currentConfig.CPUclock += (inp & GP2X_LEFT) ? -1 : 1;\r
1046                                                 if (currentConfig.CPUclock < 1) currentConfig.CPUclock = 1;\r
1047                                                 draw_menu_options(menu_sel);\r
1048                                                 usleep(50*1000);\r
1049                                         }\r
1050                                         break;\r
1051                         }\r
1052                 }\r
1053         }\r
1054 }\r
1055 \r
1056 // -------------- credits --------------\r
1057 \r
1058 static void draw_menu_credits(void)\r
1059 {\r
1060         int tl_x = 15, tl_y = 70, y;\r
1061         //memset(gp2x_screen, 0, 320*240);\r
1062         gp2x_pd_clone_buffer2();\r
1063 \r
1064         gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION " (c) notaz, 2006,2007");\r
1065         y = tl_y;\r
1066         gp2x_text_out8(tl_x, y, "Credits:");\r
1067         gp2x_text_out8(tl_x, (y+=10), "Dave: Cyclone 68000 core,");\r
1068         gp2x_text_out8(tl_x, (y+=10), "      base code of PicoDrive");\r
1069         gp2x_text_out8(tl_x, (y+=10), "Reesy & FluBBa: DrZ80 core");\r
1070         gp2x_text_out8(tl_x, (y+=10), "MAME devs: YM2612 and SN76496 cores");\r
1071         gp2x_text_out8(tl_x, (y+=10), "Charles MacDonald: Genesis hw docs");\r
1072         gp2x_text_out8(tl_x, (y+=10), "Stephane Dallongeville:");\r
1073         gp2x_text_out8(tl_x, (y+=10), "      opensource Gens");\r
1074         gp2x_text_out8(tl_x, (y+=10), "Haze: Genesis hw info");\r
1075         gp2x_text_out8(tl_x, (y+=10), "rlyeh and others: minimal SDK");\r
1076         gp2x_text_out8(tl_x, (y+=10), "Squidge: squidgehack");\r
1077         gp2x_text_out8(tl_x, (y+=10), "Dzz: ARM940 sample");\r
1078         gp2x_text_out8(tl_x, (y+=10), "GnoStiC / Puck2099: USB joystick");\r
1079         gp2x_text_out8(tl_x, (y+=10), "craigix: GP2X hardware");\r
1080 \r
1081         gp2x_video_flip2();\r
1082 }\r
1083 \r
1084 \r
1085 // -------------- root menu --------------\r
1086 \r
1087 static void draw_menu_root(int menu_sel)\r
1088 {\r
1089         int tl_x = 70, tl_y = 70, y;\r
1090         //memset(gp2x_screen, 0, 320*240);\r
1091         gp2x_pd_clone_buffer2();\r
1092 \r
1093         gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION);\r
1094 \r
1095         y = tl_y;\r
1096         if (rom_data) {\r
1097                 gp2x_text_out8(tl_x, y,       "Resume game");\r
1098                 gp2x_text_out8(tl_x, (y+=10), "Save State");\r
1099                 gp2x_text_out8(tl_x, (y+=10), "Load State");\r
1100                 gp2x_text_out8(tl_x, (y+=10), "Reset game");\r
1101         } else {\r
1102                 y += 30;\r
1103         }\r
1104         gp2x_text_out8(tl_x, (y+=10), "Load new ROM/ISO");\r
1105         gp2x_text_out8(tl_x, (y+=10), "Change options");\r
1106         gp2x_text_out8(tl_x, (y+=10), "Configure controls");\r
1107         gp2x_text_out8(tl_x, (y+=10), "Credits");\r
1108         gp2x_text_out8(tl_x, (y+=10), "Exit");\r
1109 \r
1110         // draw cursor\r
1111         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
1112         // error\r
1113         if (menuErrorMsg[0]) gp2x_text_out8(5, 226, menuErrorMsg);\r
1114         gp2x_video_flip2();\r
1115 }\r
1116 \r
1117 \r
1118 static void menu_loop_root(void)\r
1119 {\r
1120         int ret, menu_sel = 4, menu_sel_max = 8, menu_sel_min = 4;\r
1121         unsigned long inp = 0;\r
1122         char curr_path[PATH_MAX], *selfname;\r
1123         FILE *tstf;\r
1124 \r
1125         if ( (tstf = fopen(currentConfig.lastRomFile, "rb")) )\r
1126         {\r
1127                 fclose(tstf);\r
1128                 strcpy(curr_path, currentConfig.lastRomFile);\r
1129         }\r
1130         else\r
1131         {\r
1132                 getcwd(curr_path, PATH_MAX);\r
1133         }\r
1134 \r
1135         if (rom_data) menu_sel = menu_sel_min = 0;\r
1136 \r
1137         for(;;)\r
1138         {\r
1139                 draw_menu_root(menu_sel);\r
1140                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X|GP2X_SELECT);\r
1141                 if(inp & GP2X_UP  )  { menu_sel--; if (menu_sel < menu_sel_min) menu_sel = menu_sel_max; }\r
1142                 if(inp & GP2X_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = menu_sel_min; }\r
1143                 if(inp &(GP2X_SELECT|GP2X_X)){\r
1144                         if (rom_data) {\r
1145                                 while (gp2x_joystick_read(1) & (GP2X_SELECT|GP2X_X)) usleep(50*1000); // wait until select is released\r
1146                                 engineState = PGS_Running;\r
1147                                 break;\r
1148                         }\r
1149                 }\r
1150                 if(inp & GP2X_B   )  {\r
1151                         switch (menu_sel) {\r
1152                                 case 0: // resume game\r
1153                                         if (rom_data) { engineState = PGS_Running; return; }\r
1154                                         break;\r
1155                                 case 1: // save state\r
1156                                         if (rom_data) {\r
1157                                                 if(savestate_menu_loop(0))\r
1158                                                         continue;\r
1159                                                 engineState = PGS_Running;\r
1160                                                 return;\r
1161                                         }\r
1162                                         break;\r
1163                                 case 2: // load state\r
1164                                         if (rom_data) {\r
1165                                                 if(savestate_menu_loop(1))\r
1166                                                         continue;\r
1167                                                 engineState = PGS_Running;\r
1168                                                 return;\r
1169                                         }\r
1170                                         break;\r
1171                                 case 3: // reset game\r
1172                                         if (rom_data) {\r
1173                                                 emu_ResetGame();\r
1174                                                 engineState = PGS_Running;\r
1175                                                 return;\r
1176                                         }\r
1177                                         break;\r
1178                                 case 4: // select rom\r
1179                                         selfname = romsel_loop(curr_path);\r
1180                                         if (selfname) {\r
1181                                                 printf("selected file: %s\n", selfname);\r
1182                                                 engineState = PGS_ReloadRom;\r
1183                                         }\r
1184                                         return;\r
1185                                 case 5: // options\r
1186                                         ret = menu_loop_options();\r
1187                                         if (ret == 1) continue; // status update\r
1188                                         if (engineState == PGS_ReloadRom)\r
1189                                                 return; // BIOS test\r
1190                                         break;\r
1191                                 case 6: // controls\r
1192                                         kc_sel_loop();\r
1193                                         break;\r
1194                                 case 7: // credits\r
1195                                         draw_menu_credits();\r
1196                                         usleep(500*1000);\r
1197                                         inp = wait_for_input(GP2X_B|GP2X_X);\r
1198                                         break;\r
1199                                 case 8: // exit\r
1200                                         engineState = PGS_Quit;\r
1201                                         return;\r
1202                         }\r
1203                 }\r
1204                 menuErrorMsg[0] = 0; // clear error msg\r
1205         }\r
1206 }\r
1207 \r
1208 \r
1209 static void menu_prepare_bg(void)\r
1210 {\r
1211         extern int localPal[0x100];\r
1212         int c, i;\r
1213 \r
1214         // don't clear old palette just for fun (but make it dark)\r
1215         for (i = 0x100-1; i >= 0; i--) {\r
1216                 c = localPal[i];\r
1217                 localPal[i] = ((c >> 1) & 0x007f7f7f) - ((c >> 3) & 0x001f1f1f);\r
1218         }\r
1219         localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
1220         localPal[0xf0] = 0x00ffffff;\r
1221 \r
1222         gp2x_video_setpalette(localPal, 0x100);\r
1223 }\r
1224 \r
1225 static void menu_gfx_prepare(void)\r
1226 {\r
1227         menu_prepare_bg();\r
1228 \r
1229         // switch to 8bpp\r
1230         gp2x_video_changemode2(8);\r
1231         gp2x_video_RGB_setscaling(320, 240);\r
1232         gp2x_video_flip2();\r
1233 }\r
1234 \r
1235 \r
1236 void menu_loop(void)\r
1237 {\r
1238         menu_gfx_prepare();\r
1239 \r
1240         menu_loop_root();\r
1241 \r
1242         menuErrorMsg[0] = 0;\r
1243 }\r