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 <Pico/Patch.h>\r
  22 #include <zlib/zlib.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 extern char *actionNames[];\r
  29 extern char romFileName[PATH_MAX];\r
  30 extern char *rom_data;\r
  31 extern int  mmuhack_status;\r
  32 extern int  state_slot;\r
  33 \r
  34 static char *gp2xKeyNames[] = {\r
  35         "UP",    "???",    "LEFT", "???",  "DOWN", "???", "RIGHT",    "???",\r
  36         "START", "SELECT", "L",    "R",    "A",    "B",   "X",        "Y",\r
  37         "???",   "???",    "???",  "???",  "???",  "???", "VOL DOWN", "VOL UP",\r
  38         "???",   "???",    "???",  "PUSH", "???",  "???", "???",      "???"\r
  39 };\r
  40 \r
  41 char menuErrorMsg[40] = {0, };\r
  42 \r
  43 \r
  44 static void gp2x_text(unsigned char *screen, int x, int y, const char *text, int color)\r
  45 {\r
  46         int i,l;\r
  47 \r
  48         screen = screen + x + y*320;\r
  49 \r
  50         for (i = 0; i < strlen(text); i++)\r
  51         {\r
  52                 for (l=0;l<8;l++)\r
  53                 {\r
  54                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=color;\r
  55                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=color;\r
  56                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=color;\r
  57                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=color;\r
  58                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=color;\r
  59                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=color;\r
  60                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=color;\r
  61                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=color;\r
  62                 }\r
  63                 screen += 8;\r
  64         }\r
  65 }\r
  66 \r
  67 // draws white text to current bbp15 screen\r
  68 void gp2x_text_out15(int x, int y, const char *text)\r
  69 {\r
  70         int i,l;\r
  71         unsigned short *screen = gp2x_screen;\r
  72 \r
  73         screen = screen + x + y*320;\r
  74 \r
  75         for (i = 0; i < strlen(text); i++)\r
  76         {\r
  77                 for (l=0;l<8;l++)\r
  78                 {\r
  79                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=0xffff;\r
  80                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=0xffff;\r
  81                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=0xffff;\r
  82                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=0xffff;\r
  83                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=0xffff;\r
  84                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=0xffff;\r
  85                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=0xffff;\r
  86                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=0xffff;\r
  87                 }\r
  88                 screen += 8;\r
  89         }\r
  90 }\r
  91 \r
  92 \r
  93 void gp2x_text_out8(int x, int y, const char *texto, ...)\r
  94 {\r
  95         va_list args;\r
  96         char    buffer[512];\r
  97 \r
  98         va_start(args,texto);\r
  99         vsprintf(buffer,texto,args);\r
 100         va_end(args);\r
 101 \r
 102         gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
 103 }\r
 104 \r
 105 \r
 106 void gp2x_text_out8_2(int x, int y, const char *texto, int color)\r
 107 {\r
 108         gp2x_text(gp2x_screen, x, y, texto, color);\r
 109 }\r
 110 \r
 111 void gp2x_text_out8_lim(int x, int y, const char *texto, int max)\r
 112 {\r
 113         char    buffer[320/8+1];\r
 114 \r
 115         strncpy(buffer, texto, 320/8);\r
 116         if (max > 320/8) max = 320/8;\r
 117         if (max < 0) max = 0;\r
 118         buffer[max] = 0;\r
 119 \r
 120         gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
 121 }\r
 122 \r
 123 static void gp2x_smalltext8(int x, int y, const char *texto)\r
 124 {\r
 125         int i;\r
 126         unsigned char *src, *dst;\r
 127 \r
 128         for (i = 0;; i++, x += 6)\r
 129         {\r
 130                 unsigned char c = (unsigned char) texto[i];\r
 131                 int h = 8;\r
 132 \r
 133                 if (!c) break;\r
 134 \r
 135                 src = fontdata6x8[c];\r
 136                 dst = (unsigned char *)gp2x_screen + x + y*320;\r
 137 \r
 138                 while (h--)\r
 139                 {\r
 140                         int w = 0x20;\r
 141                         while (w)\r
 142                         {\r
 143                                 if( *src & w ) *dst = 0xf0;\r
 144                                 dst++;\r
 145                                 w>>=1;\r
 146                         }\r
 147                         src++;\r
 148 \r
 149                         dst += 320-6;\r
 150                 }\r
 151         }\r
 152 }\r
 153 \r
 154 static void gp2x_smalltext8_lim(int x, int y, const char *texto, int max)\r
 155 {\r
 156         char    buffer[320/6+1];\r
 157 \r
 158         strncpy(buffer, texto, 320/6);\r
 159         if (max > 320/6) max = 320/6;\r
 160         if (max < 0) max = 0;\r
 161         buffer[max] = 0;\r
 162 \r
 163         gp2x_smalltext8(x, y, buffer);\r
 164 }\r
 165 \r
 166 \r
 167 static unsigned long inp_prev = 0;\r
 168 static int inp_prevjoy = 0;\r
 169 \r
 170 static unsigned long wait_for_input(unsigned long interesting)\r
 171 {\r
 172         unsigned long ret;\r
 173         static int repeats = 0, wait = 300*1000;\r
 174         int release = 0, i;\r
 175 \r
 176         if (repeats == 5 || repeats == 15 || repeats == 30) wait /= 2;\r
 177 \r
 178         for (i = 0; i < 6 && inp_prev == gp2x_joystick_read(1); i++) {\r
 179                 if(i == 0) repeats++;\r
 180                 usleep(wait/6);\r
 181         }\r
 182 \r
 183         while ( !((ret = gp2x_joystick_read(1)) & interesting) ) {\r
 184                 usleep(50000);\r
 185                 release = 1;\r
 186         }\r
 187 \r
 188         if (release || ret != inp_prev) {\r
 189                 repeats = 0;\r
 190                 wait = 300*1000;\r
 191         }\r
 192         inp_prev = ret;\r
 193         inp_prevjoy = 0;\r
 194 \r
 195         // we don't need diagonals in menus\r
 196         if ((ret&GP2X_UP)   && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 197         if ((ret&GP2X_UP)   && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 198         if ((ret&GP2X_DOWN) && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 199         if ((ret&GP2X_DOWN) && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 200 \r
 201         return ret;\r
 202 }\r
 203 \r
 204 static unsigned long input2_read(unsigned long interesting, int *joy)\r
 205 {\r
 206         unsigned long ret;\r
 207         int i;\r
 208 \r
 209         do\r
 210         {\r
 211                 *joy = 0;\r
 212                 if ((ret = gp2x_joystick_read(0) & interesting)) break;\r
 213                 gp2x_usbjoy_update();\r
 214                 for (i = 0; i < num_of_joys; i++) {\r
 215                         ret = gp2x_usbjoy_check2(i);\r
 216                         if (ret) { *joy = i + 1; break; }\r
 217                 }\r
 218                 if (ret) break;\r
 219         }\r
 220         while(0);\r
 221 \r
 222         return ret;\r
 223 }\r
 224 \r
 225 // similar to wait_for_input(), but returns joy num\r
 226 static unsigned long wait_for_input_usbjoy(unsigned long interesting, int *joy)\r
 227 {\r
 228         unsigned long ret;\r
 229         const int wait = 300*1000;\r
 230         int i;\r
 231 \r
 232         if (inp_prevjoy == 0) inp_prev &= interesting;\r
 233         for (i = 0; i < 6; i++) {\r
 234                 ret = input2_read(interesting, joy);\r
 235                 if (*joy != inp_prevjoy || ret != inp_prev) break;\r
 236                 usleep(wait/6);\r
 237         }\r
 238 \r
 239         while ( !(ret = input2_read(interesting, joy)) ) {\r
 240                 usleep(50000);\r
 241         }\r
 242 \r
 243         inp_prev = ret;\r
 244         inp_prevjoy = *joy;\r
 245 \r
 246         return ret;\r
 247 }\r
 248 \r
 249 \r
 250 \r
 251 // -------------- ROM selector --------------\r
 252 \r
 253 static void draw_dirlist(char *curdir, struct dirent **namelist, int n, int sel)\r
 254 {\r
 255         int start, i, pos;\r
 256 \r
 257         start = 12 - sel;\r
 258         n--; // exclude current dir (".")\r
 259 \r
 260         //memset(gp2x_screen, 0, 320*240);\r
 261         gp2x_pd_clone_buffer2();\r
 262 \r
 263         if(start - 2 >= 0)\r
 264                 gp2x_smalltext8_lim(14, (start - 2)*10, curdir, 53-2);\r
 265         for (i = 0; i < n; i++) {\r
 266                 pos = start + i;\r
 267                 if (pos < 0)  continue;\r
 268                 if (pos > 23) break;\r
 269                 if (namelist[i+1]->d_type == DT_DIR) {\r
 270                         gp2x_smalltext8_lim(14,   pos*10, "/", 1);\r
 271                         gp2x_smalltext8_lim(14+6, pos*10, namelist[i+1]->d_name, 53-3);\r
 272                 } else {\r
 273                         gp2x_smalltext8_lim(14,   pos*10, namelist[i+1]->d_name, 53-2);\r
 274                 }\r
 275         }\r
 276         gp2x_text_out8(5, 120, ">");\r
 277         gp2x_video_flip2();\r
 278 }\r
 279 \r
 280 static int scandir_cmp(const void *p1, const void *p2)\r
 281 {\r
 282         struct dirent **d1 = (struct dirent **)p1, **d2 = (struct dirent **)p2;\r
 283         if ((*d1)->d_type == (*d2)->d_type) return alphasort(d1, d2);\r
 284         if ((*d1)->d_type == DT_DIR) return -1; // put before\r
 285         if ((*d2)->d_type == DT_DIR) return  1;\r
 286         return alphasort(d1, d2);\r
 287 }\r
 288 \r
 289 static char *filter_exts[] = {\r
 290         ".mp3", ".MP3", ".srm", ".brm", "s.gz", ".mds", "bcfg", ".txt", ".htm", "html",\r
 291         ".jpg", ".gpe", ".cue"\r
 292 };\r
 293 \r
 294 static int scandir_filter(const struct dirent *ent)\r
 295 {\r
 296         const char *p;\r
 297         int i;\r
 298 \r
 299         if (ent == NULL || ent->d_name == NULL) return 0;\r
 300         if (strlen(ent->d_name) < 5) return 1;\r
 301 \r
 302         p = ent->d_name + strlen(ent->d_name) - 4;\r
 303 \r
 304         for (i = 0; i < sizeof(filter_exts)/sizeof(filter_exts[0]); i++)\r
 305         {\r
 306                 if (strcmp(p, filter_exts[i]) == 0) return 0;\r
 307         }\r
 308 \r
 309         return 1;\r
 310 }\r
 311 \r
 312 static char *romsel_loop(char *curr_path)\r
 313 {\r
 314         struct dirent **namelist;\r
 315         DIR *dir;\r
 316         int n, sel = 0;\r
 317         unsigned long inp = 0;\r
 318         char *ret = NULL, *fname = NULL;\r
 319 \r
 320         // is this a dir or a full path?\r
 321         if ((dir = opendir(curr_path))) {\r
 322                 closedir(dir);\r
 323         } else {\r
 324                 char *p;\r
 325                 for (p = curr_path + strlen(curr_path) - 1; p > curr_path && *p != '/'; p--);\r
 326                 *p = 0;\r
 327                 fname = p+1;\r
 328         }\r
 329 \r
 330         n = scandir(curr_path, &namelist, scandir_filter, scandir_cmp);\r
 331         if (n < 0) {\r
 332                 // try root\r
 333                 n = scandir("/", &namelist, scandir_filter, scandir_cmp);\r
 334                 if (n < 0) {\r
 335                         // oops, we failed\r
 336                         printf("dir: "); printf(curr_path); printf("\n");\r
 337                         perror("scandir");\r
 338                         return NULL;\r
 339                 }\r
 340         }\r
 341 \r
 342         // try to find sel\r
 343         if (fname != NULL) {\r
 344                 int i;\r
 345                 for (i = 1; i < n; i++) {\r
 346                         if (strcmp(namelist[i]->d_name, fname) == 0) {\r
 347                                 sel = i - 1;\r
 348                                 break;\r
 349                         }\r
 350                 }\r
 351         }\r
 352 \r
 353         for (;;)\r
 354         {\r
 355                 draw_dirlist(curr_path, namelist, n, sel);\r
 356                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 357                 if(inp & GP2X_UP  )  { sel--;   if (sel < 0)   sel = n-2; }\r
 358                 if(inp & GP2X_DOWN)  { sel++;   if (sel > n-2) sel = 0; }\r
 359                 if(inp &(GP2X_LEFT|GP2X_L))  { sel-=10; if (sel < 0)   sel = 0; }\r
 360                 if(inp &(GP2X_RIGHT|GP2X_R)) { sel+=10; if (sel > n-2) sel = n-2; }\r
 361                 if(inp & GP2X_B)     { // enter dir/select\r
 362                         again:\r
 363                         if (namelist[sel+1]->d_type == DT_REG) {\r
 364                                 strcpy(romFileName, curr_path);\r
 365                                 strcat(romFileName, "/");\r
 366                                 strcat(romFileName, namelist[sel+1]->d_name);\r
 367                                 ret = romFileName;\r
 368                                 break;\r
 369                         } else if (namelist[sel+1]->d_type == DT_DIR) {\r
 370                                 int newlen = strlen(curr_path) + strlen(namelist[sel+1]->d_name) + 2;\r
 371                                 char *p, *newdir = malloc(newlen);\r
 372                                 if (strcmp(namelist[sel+1]->d_name, "..") == 0) {\r
 373                                         char *start = curr_path;\r
 374                                         p = start + strlen(start) - 1;\r
 375                                         while (*p == '/' && p > start) p--;\r
 376                                         while (*p != '/' && p > start) p--;\r
 377                                         if (p <= start) strcpy(newdir, "/");\r
 378                                         else { strncpy(newdir, start, p-start); newdir[p-start] = 0; }\r
 379                                 } else {\r
 380                                         strcpy(newdir, curr_path);\r
 381                                         p = newdir + strlen(newdir) - 1;\r
 382                                         while (*p == '/' && p >= newdir) *p-- = 0;\r
 383                                         strcat(newdir, "/");\r
 384                                         strcat(newdir, namelist[sel+1]->d_name);\r
 385                                 }\r
 386                                 ret = romsel_loop(newdir);\r
 387                                 free(newdir);\r
 388                                 break;\r
 389                         } else {\r
 390                                 // unknown file type, happens on NTFS mounts. Try to guess.\r
 391                                 FILE *tstf; int tmp;\r
 392                                 strcpy(romFileName, curr_path);\r
 393                                 strcat(romFileName, "/");\r
 394                                 strcat(romFileName, namelist[sel+1]->d_name);\r
 395                                 tstf = fopen(romFileName, "rb");\r
 396                                 if (tstf != NULL)\r
 397                                 {\r
 398                                         if (fread(&tmp, 1, 1, tstf) > 0 || ferror(tstf) == 0)\r
 399                                                 namelist[sel+1]->d_type = DT_REG;\r
 400                                         else    namelist[sel+1]->d_type = DT_DIR;\r
 401                                         fclose(tstf);\r
 402                                         goto again;\r
 403                                 }\r
 404                         }\r
 405                 }\r
 406                 if(inp & GP2X_X) break; // cancel\r
 407         }\r
 408 \r
 409         if (n > 0) {\r
 410                 while(n--) free(namelist[n]);\r
 411                 free(namelist);\r
 412         }\r
 413 \r
 414         return ret;\r
 415 }\r
 416 \r
 417 // ------------ patch/gg menu ------------\r
 418 \r
 419 static void draw_patchlist(int sel)\r
 420 {\r
 421         int start, i, pos;\r
 422 \r
 423         start = 12 - sel;\r
 424 \r
 425         gp2x_pd_clone_buffer2();\r
 426 \r
 427         for (i = 0; i < PicoPatchCount; i++) {\r
 428                 pos = start + i;\r
 429                 if (pos < 0)  continue;\r
 430                 if (pos > 23) break;\r
 431                 gp2x_smalltext8_lim(14,     pos*10, PicoPatches[i].active ? "ON " : "OFF", 3);\r
 432                 gp2x_smalltext8_lim(14+6*4, pos*10, PicoPatches[i].name, 53-6);\r
 433         }\r
 434         pos = start + i;\r
 435         if (pos < 24) gp2x_smalltext8_lim(14, pos*10, "done", 4);\r
 436 \r
 437         gp2x_text_out8(5, 120, ">");\r
 438         gp2x_video_flip2();\r
 439 }\r
 440 \r
 441 \r
 442 void patches_menu_loop(void)\r
 443 {\r
 444         int menu_sel = 0;\r
 445         unsigned long inp = 0;\r
 446 \r
 447         for(;;)\r
 448         {\r
 449                 draw_patchlist(menu_sel);\r
 450                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 451                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = PicoPatchCount; }\r
 452                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > PicoPatchCount) menu_sel = 0; }\r
 453                 if(inp &(GP2X_LEFT|GP2X_L))  { menu_sel-=10; if (menu_sel < 0) menu_sel = 0; }\r
 454                 if(inp &(GP2X_RIGHT|GP2X_R)) { menu_sel+=10; if (menu_sel > PicoPatchCount) menu_sel = PicoPatchCount; }\r
 455                 if(inp & GP2X_B) { // action\r
 456                         if (menu_sel < PicoPatchCount)\r
 457                                 PicoPatches[menu_sel].active = !PicoPatches[menu_sel].active;\r
 458                         else    return;\r
 459                 }\r
 460                 if(inp & GP2X_X) return;\r
 461         }\r
 462 \r
 463 }\r
 464 \r
 465 // ------------ savestate loader ------------\r
 466 \r
 467 static void menu_prepare_bg(void);\r
 468 \r
 469 static int state_slot_flags = 0;\r
 470 \r
 471 static void state_check_slots(void)\r
 472 {\r
 473         int slot;\r
 474 \r
 475         state_slot_flags = 0;\r
 476 \r
 477         for (slot = 0; slot < 10; slot++)\r
 478         {\r
 479                 if (emu_check_save_file(slot))\r
 480                 {\r
 481                         state_slot_flags |= 1 << slot;\r
 482                 }\r
 483         }\r
 484 }\r
 485 \r
 486 static void draw_savestate_bg(int slot)\r
 487 {\r
 488         struct PicoVideo tmp_pv;\r
 489         unsigned short tmp_cram[0x40];\r
 490         unsigned short tmp_vsram[0x40];\r
 491         void *tmp_vram, *file;\r
 492         char *fname;\r
 493 \r
 494         fname = emu_GetSaveFName(1, 0, slot);\r
 495         if (!fname) return;\r
 496 \r
 497         tmp_vram = malloc(sizeof(Pico.vram));\r
 498         if (tmp_vram == NULL) return;\r
 499 \r
 500         memcpy(tmp_vram, Pico.vram, sizeof(Pico.vram));\r
 501         memcpy(tmp_cram, Pico.cram, sizeof(Pico.cram));\r
 502         memcpy(tmp_vsram, Pico.vsram, sizeof(Pico.vsram));\r
 503         memcpy(&tmp_pv, &Pico.video, sizeof(Pico.video));\r
 504 \r
 505         if (strcmp(fname + strlen(fname) - 3, ".gz") == 0) {\r
 506                 file = gzopen(fname, "rb");\r
 507                 emu_set_save_cbs(1);\r
 508         } else {\r
 509                 file = fopen(fname, "rb");\r
 510                 emu_set_save_cbs(0);\r
 511         }\r
 512 \r
 513         if (file) {\r
 514                 if (PicoMCD & 1) {\r
 515                         PicoCdLoadStateGfx(file);\r
 516                 } else {\r
 517                         areaSeek(file, 0x10020, SEEK_SET);  // skip header and RAM in state file\r
 518                         areaRead(Pico.vram, 1, sizeof(Pico.vram), file);\r
 519                         areaSeek(file, 0x2000, SEEK_CUR);\r
 520                         areaRead(Pico.cram, 1, sizeof(Pico.cram), file);\r
 521                         areaRead(Pico.vsram, 1, sizeof(Pico.vsram), file);\r
 522                         areaSeek(file, 0x221a0, SEEK_SET);\r
 523                         areaRead(&Pico.video, 1, sizeof(Pico.video), file);\r
 524                 }\r
 525                 areaClose(file);\r
 526         }\r
 527 \r
 528         emu_forced_frame();\r
 529         gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);\r
 530         menu_prepare_bg();\r
 531 \r
 532         memcpy(Pico.vram, tmp_vram, sizeof(Pico.vram));\r
 533         memcpy(Pico.cram, tmp_cram, sizeof(Pico.cram));\r
 534         memcpy(Pico.vsram, tmp_vsram, sizeof(Pico.vsram));\r
 535         memcpy(&Pico.video, &tmp_pv,  sizeof(Pico.video));\r
 536         free(tmp_vram);\r
 537 }\r
 538 \r
 539 static void draw_savestate_menu(int menu_sel, int is_loading)\r
 540 {\r
 541         int tl_x = 25, tl_y = 60, y, i;\r
 542 \r
 543         if (state_slot_flags & (1 << menu_sel))\r
 544                 draw_savestate_bg(menu_sel);\r
 545         gp2x_pd_clone_buffer2();\r
 546 \r
 547         gp2x_text_out8(tl_x, 30, is_loading ? "Load state" : "Save state");\r
 548 \r
 549         /* draw all 10 slots */\r
 550         y = tl_y;\r
 551         for (i = 0; i < 10; i++, y+=10)\r
 552         {\r
 553                 gp2x_text_out8(tl_x, y, "SLOT %i (%s)", i, (state_slot_flags & (1 << i)) ? "USED" : "free");\r
 554         }\r
 555         gp2x_text_out8(tl_x, y, "back");\r
 556 \r
 557         // draw cursor\r
 558         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 559 \r
 560         gp2x_video_flip2();\r
 561 }\r
 562 \r
 563 static int savestate_menu_loop(int is_loading)\r
 564 {\r
 565         int menu_sel = 10, menu_sel_max = 10;\r
 566         unsigned long inp = 0;\r
 567 \r
 568         state_check_slots();\r
 569 \r
 570         for(;;)\r
 571         {\r
 572                 draw_savestate_menu(menu_sel, is_loading);\r
 573                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 574                 if(inp & GP2X_UP  ) {\r
 575                         do {\r
 576                                 menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max;\r
 577                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 578                 }\r
 579                 if(inp & GP2X_DOWN) {\r
 580                         do {\r
 581                                 menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0;\r
 582                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 583                 }\r
 584                 if(inp & GP2X_B) { // save/load\r
 585                         if (menu_sel < 10) {\r
 586                                 state_slot = menu_sel;\r
 587                                 if (emu_SaveLoadGame(is_loading, 0)) {\r
 588                                         strcpy(menuErrorMsg, is_loading ? "Load failed" : "Save failed");\r
 589                                         return 1;\r
 590                                 }\r
 591                                 return 0;\r
 592                         } else  return 1;\r
 593                 }\r
 594                 if(inp & GP2X_X) return 1;\r
 595         }\r
 596 }\r
 597 \r
 598 // -------------- key config --------------\r
 599 \r
 600 static char *usb_joy_key_name(int joy, int num)\r
 601 {\r
 602         static char name[16];\r
 603         switch (num)\r
 604         {\r
 605                 case 0: sprintf(name, "Joy%i UP", joy); break;\r
 606                 case 1: sprintf(name, "Joy%i DOWN", joy); break;\r
 607                 case 2: sprintf(name, "Joy%i LEFT", joy); break;\r
 608                 case 3: sprintf(name, "Joy%i RIGHT", joy); break;\r
 609                 default:sprintf(name, "Joy%i b%i", joy, num-3); break;\r
 610         }\r
 611         return name;\r
 612 }\r
 613 \r
 614 static void draw_key_config(int curr_act, int is_p2)\r
 615 {\r
 616         char strkeys[32*5];\r
 617         int joy, i;\r
 618 \r
 619         strkeys[0] = 0;\r
 620         for (i = 0; i < 32; i++)\r
 621         {\r
 622                 if (currentConfig.KeyBinds[i] & (1 << curr_act))\r
 623                 {\r
 624                         if (curr_act < 16 && (currentConfig.KeyBinds[i] & (1 << 16)) != (is_p2 << 16)) continue;\r
 625                         if (strkeys[0]) { strcat(strkeys, " + "); strcat(strkeys, gp2xKeyNames[i]); break; }\r
 626                         else strcpy(strkeys, gp2xKeyNames[i]);\r
 627                 }\r
 628         }\r
 629         for (joy = 0; joy < num_of_joys; joy++)\r
 630         {\r
 631                 for (i = 0; i < 32; i++)\r
 632                 {\r
 633                         if (currentConfig.JoyBinds[joy][i] & (1 << curr_act))\r
 634                         {\r
 635                                 if (curr_act < 16 && (currentConfig.JoyBinds[joy][i] & (1 << 16)) != (is_p2 << 16)) continue;\r
 636                                 if (strkeys[0]) {\r
 637                                         strcat(strkeys, ", "); strcat(strkeys, usb_joy_key_name(joy + 1, i));\r
 638                                         break;\r
 639                                 }\r
 640                                 else strcpy(strkeys, usb_joy_key_name(joy + 1, i));\r
 641                         }\r
 642                 }\r
 643         }\r
 644 \r
 645         //memset(gp2x_screen, 0, 320*240);\r
 646         gp2x_pd_clone_buffer2();\r
 647         gp2x_text_out8(60, 40, "Action: %s", actionNames[curr_act]);\r
 648         gp2x_text_out8(60, 60, "Keys: %s", strkeys);\r
 649 \r
 650         gp2x_text_out8(30, 180, "Use SELECT to change action");\r
 651         gp2x_text_out8(30, 190, "Press a key to bind/unbind");\r
 652         gp2x_text_out8(30, 200, "Select \"Done\" action and");\r
 653         gp2x_text_out8(30, 210, "  press any key to finish");\r
 654         gp2x_video_flip2();\r
 655 }\r
 656 \r
 657 static void key_config_loop(int is_p2)\r
 658 {\r
 659         int curr_act = 0, joy = 0, i;\r
 660         unsigned long inp = 0;\r
 661 \r
 662         for (;;)\r
 663         {\r
 664                 draw_key_config(curr_act, is_p2);\r
 665                 inp = wait_for_input_usbjoy(CONFIGURABLE_KEYS, &joy);\r
 666                 // printf("got %08lX from joy %i\n", inp, joy);\r
 667                 if (joy == 0) {\r
 668                         if (inp & GP2X_SELECT) {\r
 669                                 curr_act++;\r
 670                                 while (!actionNames[curr_act] && curr_act < 32) curr_act++;\r
 671                                 if (curr_act > 31) curr_act = 0;\r
 672                         }\r
 673                         inp &= CONFIGURABLE_KEYS;\r
 674                         inp &= ~GP2X_SELECT;\r
 675                 }\r
 676                 if (curr_act == 31 && inp) break;\r
 677                 if (joy == 0) {\r
 678                         for (i = 0; i < 32; i++)\r
 679                                 if (inp & (1 << i)) {\r
 680                                         currentConfig.KeyBinds[i] ^= (1 << curr_act);\r
 681                                         if (is_p2) currentConfig.KeyBinds[i] |=  (1 << 16); // player 2 flag\r
 682                                         else       currentConfig.KeyBinds[i] &= ~(1 << 16);\r
 683                                 }\r
 684                 } else {\r
 685                         for (i = 0; i < 32; i++)\r
 686                                 if (inp & (1 << i)) {\r
 687                                         currentConfig.JoyBinds[joy-1][i] ^= (1 << curr_act);\r
 688                                         if (is_p2) currentConfig.JoyBinds[joy-1][i] |=  (1 << 16);\r
 689                                         else       currentConfig.JoyBinds[joy-1][i] &= ~(1 << 16);\r
 690                                 }\r
 691                 }\r
 692         }\r
 693 }\r
 694 \r
 695 static void draw_kc_sel(int menu_sel)\r
 696 {\r
 697         int tl_x = 25+40, tl_y = 60, y, i;\r
 698         char joyname[36];\r
 699 \r
 700         y = tl_y;\r
 701         //memset(gp2x_screen, 0, 320*240);\r
 702         gp2x_pd_clone_buffer2();\r
 703         gp2x_text_out8(tl_x, y,       "Player 1");\r
 704         gp2x_text_out8(tl_x, (y+=10), "Player 2");\r
 705         gp2x_text_out8(tl_x, (y+=10), "Done");\r
 706 \r
 707         // draw cursor\r
 708         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 709 \r
 710         tl_x = 25;\r
 711         gp2x_text_out8(tl_x, (y=110), "USB joys detected:");\r
 712         if (num_of_joys > 0) {\r
 713                 for (i = 0; i < num_of_joys; i++) {\r
 714                         strncpy(joyname, joy_name(joys[i]), 33); joyname[33] = 0;\r
 715                         gp2x_text_out8(tl_x, (y+=10), "%i: %s", i+1, joyname);\r
 716                 }\r
 717         } else {\r
 718                 gp2x_text_out8(tl_x, (y+=10), "none");\r
 719         }\r
 720 \r
 721 \r
 722         gp2x_video_flip2();\r
 723 }\r
 724 \r
 725 static void kc_sel_loop(void)\r
 726 {\r
 727         int menu_sel = 2, menu_sel_max = 2;\r
 728         unsigned long inp = 0;\r
 729 \r
 730         for(;;)\r
 731         {\r
 732                 draw_kc_sel(menu_sel);\r
 733                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 734                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 735                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 736                 if(inp & GP2X_B) {\r
 737                         switch (menu_sel) {\r
 738                                 case 0: key_config_loop(0); return;\r
 739                                 case 1: key_config_loop(1); return;\r
 740                                 default: return;\r
 741                         }\r
 742                 }\r
 743                 if(inp & GP2X_X) return;\r
 744         }\r
 745 }\r
 746 \r
 747 \r
 748 \r
 749 // --------- sega/mega cd options ----------\r
 750 \r
 751 static void draw_cd_menu_options(int menu_sel, char *b_us, char *b_eu, char *b_jp)\r
 752 {\r
 753         int tl_x = 25, tl_y = 60, y;\r
 754         char ra_buff[16];\r
 755 \r
 756         if (PicoCDBuffers > 1) sprintf(ra_buff, "%5iK", PicoCDBuffers * 2);\r
 757         else strcpy(ra_buff, "     OFF");\r
 758 \r
 759         y = tl_y;\r
 760         //memset(gp2x_screen, 0, 320*240);\r
 761         gp2x_pd_clone_buffer2();\r
 762 \r
 763         gp2x_text_out8(tl_x, y,       "USA BIOS:     %s", b_us); // 0\r
 764         gp2x_text_out8(tl_x, (y+=10), "EUR BIOS:     %s", b_eu); // 1\r
 765         gp2x_text_out8(tl_x, (y+=10), "JAP BIOS:     %s", b_jp); // 2\r
 766         gp2x_text_out8(tl_x, (y+=10), "CD LEDs                    %s", (currentConfig.EmuOpt &0x0400)?"ON":"OFF"); // 3\r
 767         gp2x_text_out8(tl_x, (y+=10), "CDDA audio (using mp3s)    %s", (currentConfig.PicoOpt&0x0800)?"ON":"OFF"); // 4\r
 768         gp2x_text_out8(tl_x, (y+=10), "PCM audio                  %s", (currentConfig.PicoOpt&0x0400)?"ON":"OFF"); // 5\r
 769         gp2x_text_out8(tl_x, (y+=10), "ReadAhead buffer      %s", ra_buff); // 6\r
 770         gp2x_text_out8(tl_x, (y+=10), "Scale/Rot. fx (slow)       %s", (currentConfig.PicoOpt&0x1000)?"ON":"OFF"); // 7\r
 771         gp2x_text_out8(tl_x, (y+=10), "Better sync (slow)         %s", (currentConfig.PicoOpt&0x2000)?"ON":"OFF"); // 8\r
 772         gp2x_text_out8(tl_x, (y+=10), "Done");\r
 773 \r
 774         // draw cursor\r
 775         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 776 \r
 777         if ((menu_sel == 0 && strcmp(b_us, "NOT FOUND")) ||\r
 778                 (menu_sel == 1 && strcmp(b_eu, "NOT FOUND")) ||\r
 779                 (menu_sel == 2 && strcmp(b_jp, "NOT FOUND")))\r
 780                         gp2x_text_out8(tl_x, 220, "Press start to test selected BIOS");\r
 781 \r
 782         gp2x_video_flip2();\r
 783 }\r
 784 \r
 785 static void cd_menu_loop_options(void)\r
 786 {\r
 787         int menu_sel = 0, menu_sel_max = 9;\r
 788         unsigned long inp = 0;\r
 789         char bios_us[32], bios_eu[32], bios_jp[32], *bios, *p;\r
 790 \r
 791         if (find_bios(4, &bios)) { // US\r
 792                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 793                 strncpy(bios_us, p, 31); bios_us[31] = 0;\r
 794         } else  strcpy(bios_us, "NOT FOUND");\r
 795 \r
 796         if (find_bios(8, &bios)) { // EU\r
 797                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 798                 strncpy(bios_eu, p, 31); bios_eu[31] = 0;\r
 799         } else  strcpy(bios_eu, "NOT FOUND");\r
 800 \r
 801         if (find_bios(1, &bios)) { // JP\r
 802                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
 803                 strncpy(bios_jp, p, 31); bios_jp[31] = 0;\r
 804         } else  strcpy(bios_jp, "NOT FOUND");\r
 805 \r
 806         for(;;)\r
 807         {\r
 808                 draw_cd_menu_options(menu_sel, bios_us, bios_eu, bios_jp);\r
 809                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A|GP2X_START);\r
 810                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 811                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 812                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
 813                         switch (menu_sel) {\r
 814                                 case  3: currentConfig.EmuOpt ^=0x0400; break;\r
 815                                 case  4: currentConfig.PicoOpt^=0x0800; break;\r
 816                                 case  5: currentConfig.PicoOpt^=0x0400; break;\r
 817                                 case  6:\r
 818                                         if (inp & GP2X_LEFT) {\r
 819                                                 PicoCDBuffers >>= 1;\r
 820                                                 if (PicoCDBuffers < 64) PicoCDBuffers = 0;\r
 821                                         } else {\r
 822                                                 if (PicoCDBuffers < 64) PicoCDBuffers = 64;\r
 823                                                 else PicoCDBuffers <<= 1;\r
 824                                                 if (PicoCDBuffers > 8*1024) PicoCDBuffers = 8*1024; // 16M\r
 825                                         }\r
 826                                         break;\r
 827                                 case  7: currentConfig.PicoOpt^=0x1000; break;\r
 828                                 case  8: currentConfig.PicoOpt^=0x2000; break;\r
 829                                 case  9: return;\r
 830                         }\r
 831                 }\r
 832                 if(inp & (GP2X_X|GP2X_A)) return;\r
 833                 if(inp &  GP2X_START) { // BIOS testers\r
 834                         switch (menu_sel) {\r
 835                                 case 0: if (find_bios(4, &bios)) { // test US\r
 836                                                 strcpy(romFileName, bios);\r
 837                                                 engineState = PGS_ReloadRom;\r
 838                                                 return;\r
 839                                         }\r
 840                                         break;\r
 841                                 case 1: if (find_bios(8, &bios)) { // test EU\r
 842                                                 strcpy(romFileName, bios);\r
 843                                                 engineState = PGS_ReloadRom;\r
 844                                                 return;\r
 845                                         }\r
 846                                         break;\r
 847                                 case 2: if (find_bios(1, &bios)) { // test JP\r
 848                                                 strcpy(romFileName, bios);\r
 849                                                 engineState = PGS_ReloadRom;\r
 850                                                 return;\r
 851                                         }\r
 852                                         break;\r
 853                         }\r
 854                 }\r
 855         }\r
 856 }\r
 857 \r
 858 \r
 859 // --------- advanced options ----------\r
 860 \r
 861 static void draw_amenu_options(int menu_sel)\r
 862 {\r
 863         int tl_x = 25, tl_y = 60, y;\r
 864         char *mms = mmuhack_status ? "active)  " : "inactive)";\r
 865 \r
 866         y = tl_y;\r
 867         //memset(gp2x_screen, 0, 320*240);\r
 868         gp2x_pd_clone_buffer2();\r
 869 \r
 870         gp2x_text_out8(tl_x, y,       "Gamma correction           %i.%02i", currentConfig.gamma / 100, currentConfig.gamma%100); // 0\r
 871         gp2x_text_out8(tl_x, (y+=10), "Emulate Z80                %s", (currentConfig.PicoOpt&0x004)?"ON":"OFF"); // 1\r
 872         gp2x_text_out8(tl_x, (y+=10), "Emulate YM2612 (FM)        %s", (currentConfig.PicoOpt&0x001)?"ON":"OFF"); // 2\r
 873         gp2x_text_out8(tl_x, (y+=10), "Emulate SN76496 (PSG)      %s", (currentConfig.PicoOpt&0x002)?"ON":"OFF"); // 3\r
 874         gp2x_text_out8(tl_x, (y+=10), "gzip savestates            %s", (currentConfig.EmuOpt &0x008)?"ON":"OFF"); // 4\r
 875         gp2x_text_out8(tl_x, (y+=10), "Don't save config on exit  %s", (currentConfig.EmuOpt &0x020)?"ON":"OFF"); // 5\r
 876         gp2x_text_out8(tl_x, (y+=10), "needs restart:");\r
 877         gp2x_text_out8(tl_x, (y+=10), "craigix's RAM timings      %s", (currentConfig.EmuOpt &0x100)?"ON":"OFF"); // 7\r
 878         gp2x_text_out8(tl_x, (y+=10), "squidgehack (now %s %s",   mms, (currentConfig.EmuOpt &0x010)?"ON":"OFF"); // 8\r
 879         gp2x_text_out8(tl_x, (y+=10), "Done");\r
 880 \r
 881         // draw cursor\r
 882         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 883 \r
 884         gp2x_video_flip2();\r
 885 }\r
 886 \r
 887 static void amenu_loop_options(void)\r
 888 {\r
 889         int menu_sel = 0, menu_sel_max = 9;\r
 890         unsigned long inp = 0;\r
 891 \r
 892         for(;;)\r
 893         {\r
 894                 draw_amenu_options(menu_sel);\r
 895                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
 896                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 897                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 898                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
 899                         switch (menu_sel) {\r
 900                                 case  1: currentConfig.PicoOpt^=0x004; break;\r
 901                                 case  2: currentConfig.PicoOpt^=0x001; break;\r
 902                                 case  3: currentConfig.PicoOpt^=0x002; break;\r
 903                                 case  4: currentConfig.EmuOpt ^=0x008; break;\r
 904                                 case  5: currentConfig.EmuOpt ^=0x020; break;\r
 905                                 case  7: currentConfig.EmuOpt ^=0x100; break;\r
 906                                 case  8: currentConfig.EmuOpt ^=0x010; break;\r
 907                                 case  9: return;\r
 908                         }\r
 909                 }\r
 910                 if(inp & (GP2X_X|GP2X_A)) return;\r
 911                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
 912                         switch (menu_sel) {\r
 913                                 case 0:\r
 914                                         while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
 915                                                 currentConfig.gamma += (inp & GP2X_LEFT) ? -1 : 1;\r
 916                                                 if (currentConfig.gamma <   1) currentConfig.gamma =   1;\r
 917                                                 if (currentConfig.gamma > 300) currentConfig.gamma = 300;\r
 918                                                 draw_amenu_options(menu_sel);\r
 919                                                 usleep(18*1000);\r
 920                                         }\r
 921                                         break;\r
 922                         }\r
 923                 }\r
 924         }\r
 925 }\r
 926 \r
 927 // -------------- options --------------\r
 928 \r
 929 static const char *region_name(unsigned int code)\r
 930 {\r
 931         static const char *names[] = { "Auto", "      Japan NTSC", "      Japan PAL", "      USA", "      Europe" };\r
 932         static const char *names_short[] = { "", " JP", " JP", " US", " EU" };\r
 933         int u, i = 0;\r
 934         if (code) {\r
 935                 code <<= 1;\r
 936                 while((code >>= 1)) i++;\r
 937                 if (i > 4) return "unknown";\r
 938                 return names[i];\r
 939         } else {\r
 940                 static char name[24];\r
 941                 strcpy(name, "Auto:");\r
 942                 for (u = 0; u < 3; u++) {\r
 943                         i = 0; code = ((PicoAutoRgnOrder >> u*4) & 0xf) << 1;\r
 944                         while((code >>= 1)) i++;\r
 945                         strcat(name, names_short[i]);\r
 946                 }\r
 947                 return name;\r
 948         }\r
 949 }\r
 950 \r
 951 static void draw_menu_options(int menu_sel)\r
 952 {\r
 953         int tl_x = 25, tl_y = 32, y;\r
 954         char monostereo[8], strframeskip[8], *strrend, *strscaling;\r
 955 \r
 956         strcpy(monostereo, (currentConfig.PicoOpt&0x08)?"stereo":"mono");\r
 957         if (currentConfig.Frameskip < 0)\r
 958                  strcpy(strframeskip, "Auto");\r
 959         else sprintf(strframeskip, "%i", currentConfig.Frameskip);\r
 960         if (currentConfig.PicoOpt&0x10) {\r
 961                 strrend = " 8bit fast";\r
 962         } else if (currentConfig.EmuOpt&0x80) {\r
 963                 strrend = "16bit accurate";\r
 964         } else {\r
 965                 strrend = " 8bit accurate";\r
 966         }\r
 967         switch (currentConfig.scaling) {\r
 968                 default: strscaling = "            OFF";   break;\r
 969                 case 1:  strscaling = "hw horizontal";     break;\r
 970                 case 2:  strscaling = "hw horiz. + vert."; break;\r
 971                 case 3:  strscaling = "sw horizontal";     break;\r
 972         }\r
 973 \r
 974         y = tl_y;\r
 975         //memset(gp2x_screen, 0, 320*240);\r
 976         gp2x_pd_clone_buffer2();\r
 977 \r
 978         gp2x_text_out8(tl_x, y,       "Renderer:            %s", strrend); // 0\r
 979         gp2x_text_out8(tl_x, (y+=10), "Scaling:       %s", strscaling);    // 1\r
 980         gp2x_text_out8(tl_x, (y+=10), "Accurate timing (slower)   %s", (currentConfig.PicoOpt&0x040)?"ON":"OFF"); // 2\r
 981         gp2x_text_out8(tl_x, (y+=10), "Accurate sprites (slower)  %s", (currentConfig.PicoOpt&0x080)?"ON":"OFF"); // 3\r
 982         gp2x_text_out8(tl_x, (y+=10), "Show FPS                   %s", (currentConfig.EmuOpt &0x002)?"ON":"OFF"); // 4\r
 983         gp2x_text_out8(tl_x, (y+=10), "Frameskip                  %s", strframeskip);\r
 984         gp2x_text_out8(tl_x, (y+=10), "Enable sound               %s", (currentConfig.EmuOpt &0x004)?"ON":"OFF"); // 6\r
 985         gp2x_text_out8(tl_x, (y+=10), "Sound Quality:     %5iHz %s",   currentConfig.PsndRate, monostereo);\r
 986         gp2x_text_out8(tl_x, (y+=10), "Use ARM940 core for sound  %s", (currentConfig.PicoOpt&0x200)?"ON":"OFF"); // 8\r
 987         gp2x_text_out8(tl_x, (y+=10), "6 button pad               %s", (currentConfig.PicoOpt&0x020)?"ON":"OFF"); // 9\r
 988         gp2x_text_out8(tl_x, (y+=10), "Genesis Region:      %s",       region_name(currentConfig.PicoRegion));\r
 989         gp2x_text_out8(tl_x, (y+=10), "Use SRAM/BRAM savestates   %s", (currentConfig.EmuOpt &0x001)?"ON":"OFF"); // 11\r
 990         gp2x_text_out8(tl_x, (y+=10), "Confirm save overwrites    %s", (currentConfig.EmuOpt &0x200)?"ON":"OFF"); // 12\r
 991         gp2x_text_out8(tl_x, (y+=10), "Save slot                  %i", state_slot); // 13\r
 992         gp2x_text_out8(tl_x, (y+=10), "GP2X CPU clocks            %iMhz", currentConfig.CPUclock);\r
 993         gp2x_text_out8(tl_x, (y+=10), "[Sega/Mega CD options]");\r
 994         gp2x_text_out8(tl_x, (y+=10), "[advanced options]");            // 16\r
 995         gp2x_text_out8(tl_x, (y+=10), "Save cfg as default");\r
 996         if (rom_data)\r
 997                 gp2x_text_out8(tl_x, (y+=10), "Save cfg for current game only");\r
 998 \r
 999         // draw cursor\r
1000         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
1001 \r
1002         gp2x_video_flip2();\r
1003 }\r
1004 \r
1005 static int sndrate_prevnext(int rate, int dir)\r
1006 {\r
1007         int i, rates[] = { 8000, 11025, 16000, 22050, 44100 };\r
1008 \r
1009         for (i = 0; i < 5; i++)\r
1010                 if (rates[i] == rate) break;\r
1011 \r
1012         i += dir ? 1 : -1;\r
1013         if (i > 4) return dir ? 44100 : 22050;\r
1014         if (i < 0) return dir ? 11025 : 8000;\r
1015         return rates[i];\r
1016 }\r
1017 \r
1018 static void region_prevnext(int right)\r
1019 {\r
1020         // jp_ntsc=1, jp_pal=2, usa=4, eu=8\r
1021         static int rgn_orders[] = { 0x148, 0x184, 0x814, 0x418, 0x841, 0x481 };\r
1022         int i;\r
1023         if (right) {\r
1024                 if (!currentConfig.PicoRegion) {\r
1025                         for (i = 0; i < 6; i++)\r
1026                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
1027                         if (i < 5) PicoAutoRgnOrder = rgn_orders[i+1];\r
1028                         else currentConfig.PicoRegion=1;\r
1029                 }\r
1030                 else currentConfig.PicoRegion<<=1;\r
1031                 if (currentConfig.PicoRegion > 8) currentConfig.PicoRegion = 8;\r
1032         } else {\r
1033                 if (!currentConfig.PicoRegion) {\r
1034                         for (i = 0; i < 6; i++)\r
1035                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
1036                         if (i > 0) PicoAutoRgnOrder = rgn_orders[i-1];\r
1037                 }\r
1038                 else currentConfig.PicoRegion>>=1;\r
1039         }\r
1040 }\r
1041 \r
1042 static void menu_options_save(void)\r
1043 {\r
1044         PicoOpt = currentConfig.PicoOpt;\r
1045         PsndRate = currentConfig.PsndRate;\r
1046         PicoRegionOverride = currentConfig.PicoRegion;\r
1047         if (PicoOpt & 0x20) {\r
1048                 actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r
1049                 actionNames[10] = "X"; actionNames[11] = "MODE";\r
1050         } else {\r
1051                 actionNames[8] = actionNames[9] = actionNames[10] = actionNames[11] = 0;\r
1052         }\r
1053         scaling_update();\r
1054 }\r
1055 \r
1056 static int menu_loop_options(void)\r
1057 {\r
1058         int menu_sel = 0, menu_sel_max = 17;\r
1059         unsigned long inp = 0;\r
1060 \r
1061         if (rom_data) menu_sel_max++;\r
1062         currentConfig.PicoOpt = PicoOpt;\r
1063         currentConfig.PsndRate = PsndRate;\r
1064         currentConfig.PicoRegion = PicoRegionOverride;\r
1065 \r
1066         for(;;)\r
1067         {\r
1068                 draw_menu_options(menu_sel);\r
1069                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
1070                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
1071                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
1072                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
1073                         switch (menu_sel) {\r
1074                                 case  2: currentConfig.PicoOpt^=0x040; break;\r
1075                                 case  3: currentConfig.PicoOpt^=0x080; break;\r
1076                                 case  4: currentConfig.EmuOpt ^=0x002; break;\r
1077                                 case  6: currentConfig.EmuOpt ^=0x004; break;\r
1078                                 case  8: currentConfig.PicoOpt^=0x200; break;\r
1079                                 case  9: currentConfig.PicoOpt^=0x020; break;\r
1080                                 case 11: currentConfig.EmuOpt ^=0x001; break;\r
1081                                 case 12: currentConfig.EmuOpt ^=0x200; break;\r
1082                                 case 15: cd_menu_loop_options();\r
1083                                         if (engineState == PGS_ReloadRom)\r
1084                                                 return 0; // test BIOS\r
1085                                         break;\r
1086                                 case 16: amenu_loop_options();    break;\r
1087                                 case 17: // done (update and write)\r
1088                                         menu_options_save();\r
1089                                         if (emu_WriteConfig(0)) strcpy(menuErrorMsg, "config saved");\r
1090                                         else strcpy(menuErrorMsg, "failed to write config");\r
1091                                         return 1;\r
1092                                 case 18: // done (update and write for current game)\r
1093                                         menu_options_save();\r
1094                                         if (emu_WriteConfig(1)) strcpy(menuErrorMsg, "config saved");\r
1095                                         else strcpy(menuErrorMsg, "failed to write config");\r
1096                                         return 1;\r
1097                         }\r
1098                 }\r
1099                 if(inp & (GP2X_X|GP2X_A)) {\r
1100                         menu_options_save();\r
1101                         return 0;  // done (update, no write)\r
1102                 }\r
1103                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
1104                         switch (menu_sel) {\r
1105                                 case  0:\r
1106                                         if (inp & GP2X_LEFT) {\r
1107                                                 if      (  currentConfig.PicoOpt&0x10) currentConfig.PicoOpt&= ~0x10;\r
1108                                                 else if (!(currentConfig.EmuOpt &0x80))currentConfig.EmuOpt |=  0x80;\r
1109                                                 else if (  currentConfig.EmuOpt &0x80) break;\r
1110                                         } else {\r
1111                                                 if      (  currentConfig.PicoOpt&0x10) break;\r
1112                                                 else if (!(currentConfig.EmuOpt &0x80))currentConfig.PicoOpt|=  0x10;\r
1113                                                 else if (  currentConfig.EmuOpt &0x80) currentConfig.EmuOpt &= ~0x80;\r
1114                                         }\r
1115                                         break;\r
1116                                 case  1:\r
1117                                         currentConfig.scaling += (inp & GP2X_LEFT) ? -1 : 1;\r
1118                                         if (currentConfig.scaling < 0) currentConfig.scaling = 0;\r
1119                                         if (currentConfig.scaling > 3) currentConfig.scaling = 3;\r
1120                                         break;\r
1121                                 case  5:\r
1122                                         currentConfig.Frameskip += (inp & GP2X_LEFT) ? -1 : 1;\r
1123                                         if (currentConfig.Frameskip < 0)  currentConfig.Frameskip = -1;\r
1124                                         if (currentConfig.Frameskip > 32) currentConfig.Frameskip = 32;\r
1125                                         break;\r
1126                                 case  7:\r
1127                                         if ((inp & GP2X_RIGHT) && currentConfig.PsndRate == 44100 && !(currentConfig.PicoOpt&0x08)) {\r
1128                                                 currentConfig.PsndRate = 8000;  currentConfig.PicoOpt|= 0x08;\r
1129                                         } else if ((inp & GP2X_LEFT) && currentConfig.PsndRate == 8000 && (currentConfig.PicoOpt&0x08)) {\r
1130                                                 currentConfig.PsndRate = 44100; currentConfig.PicoOpt&=~0x08;\r
1131                                         } else currentConfig.PsndRate = sndrate_prevnext(currentConfig.PsndRate, inp & GP2X_RIGHT);\r
1132                                         break;\r
1133                                 case 10:\r
1134                                         region_prevnext(inp & GP2X_RIGHT);\r
1135                                         break;\r
1136                                 case 13:\r
1137                                         if (inp & GP2X_RIGHT) {\r
1138                                                 state_slot++; if (state_slot > 9) state_slot = 0;\r
1139                                         } else {state_slot--; if (state_slot < 0) state_slot = 9;\r
1140                                         }\r
1141                                         break;\r
1142                                 case 14:\r
1143                                         while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
1144                                                 currentConfig.CPUclock += (inp & GP2X_LEFT) ? -1 : 1;\r
1145                                                 if (currentConfig.CPUclock < 1) currentConfig.CPUclock = 1;\r
1146                                                 draw_menu_options(menu_sel);\r
1147                                                 usleep(50*1000);\r
1148                                         }\r
1149                                         break;\r
1150                         }\r
1151                 }\r
1152         }\r
1153 }\r
1154 \r
1155 // -------------- credits --------------\r
1156 \r
1157 static void draw_menu_credits(void)\r
1158 {\r
1159         int tl_x = 15, tl_y = 70, y;\r
1160         //memset(gp2x_screen, 0, 320*240);\r
1161         gp2x_pd_clone_buffer2();\r
1162 \r
1163         gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION " (c) notaz, 2006,2007");\r
1164         y = tl_y;\r
1165         gp2x_text_out8(tl_x, y, "Credits:");\r
1166         gp2x_text_out8(tl_x, (y+=10), "Dave: Cyclone 68000 core,");\r
1167         gp2x_text_out8(tl_x, (y+=10), "      base code of PicoDrive");\r
1168         gp2x_text_out8(tl_x, (y+=10), "Reesy & FluBBa: DrZ80 core");\r
1169         gp2x_text_out8(tl_x, (y+=10), "MAME devs: YM2612 and SN76496 cores");\r
1170         gp2x_text_out8(tl_x, (y+=10), "Charles MacDonald: Genesis hw docs");\r
1171         gp2x_text_out8(tl_x, (y+=10), "Stephane Dallongeville:");\r
1172         gp2x_text_out8(tl_x, (y+=10), "      opensource Gens");\r
1173         gp2x_text_out8(tl_x, (y+=10), "Haze: Genesis hw info");\r
1174         gp2x_text_out8(tl_x, (y+=10), "rlyeh and others: minimal SDK");\r
1175         gp2x_text_out8(tl_x, (y+=10), "Squidge: squidgehack");\r
1176         gp2x_text_out8(tl_x, (y+=10), "Dzz: ARM940 sample");\r
1177         gp2x_text_out8(tl_x, (y+=10), "GnoStiC / Puck2099: USB joystick");\r
1178         gp2x_text_out8(tl_x, (y+=10), "craigix: GP2X hardware");\r
1179 \r
1180         gp2x_video_flip2();\r
1181 }\r
1182 \r
1183 \r
1184 // -------------- root menu --------------\r
1185 \r
1186 static void draw_menu_root(int menu_sel)\r
1187 {\r
1188         int tl_x = 70, tl_y = 70, y;\r
1189         //memset(gp2x_screen, 0, 320*240);\r
1190         gp2x_pd_clone_buffer2();\r
1191 \r
1192         gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION);\r
1193 \r
1194         y = tl_y;\r
1195         if (rom_data) {\r
1196                 gp2x_text_out8(tl_x, y,       "Resume game");\r
1197                 gp2x_text_out8(tl_x, (y+=10), "Save State");\r
1198                 gp2x_text_out8(tl_x, (y+=10), "Load State");\r
1199                 gp2x_text_out8(tl_x, (y+=10), "Reset game");\r
1200         } else {\r
1201                 y += 30;\r
1202         }\r
1203         gp2x_text_out8(tl_x, (y+=10), "Load new ROM/ISO");\r
1204         gp2x_text_out8(tl_x, (y+=10), "Change options");\r
1205         gp2x_text_out8(tl_x, (y+=10), "Configure controls");\r
1206         gp2x_text_out8(tl_x, (y+=10), "Credits");\r
1207         gp2x_text_out8(tl_x, (y+=10), "Exit");\r
1208         if (PicoPatches)\r
1209                 gp2x_text_out8(tl_x, (y+=10), "Patches / GameGenie");\r
1210 \r
1211         // draw cursor\r
1212         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
1213         // error\r
1214         if (menuErrorMsg[0]) gp2x_text_out8(5, 226, menuErrorMsg);\r
1215         gp2x_video_flip2();\r
1216 }\r
1217 \r
1218 \r
1219 static void menu_loop_root(void)\r
1220 {\r
1221         int ret, menu_sel = 4, menu_sel_max = 8, menu_sel_min = 4;\r
1222         unsigned long inp = 0;\r
1223         char curr_path[PATH_MAX], *selfname;\r
1224         FILE *tstf;\r
1225 \r
1226         if ( (tstf = fopen(currentConfig.lastRomFile, "rb")) )\r
1227         {\r
1228                 fclose(tstf);\r
1229                 strcpy(curr_path, currentConfig.lastRomFile);\r
1230         }\r
1231         else\r
1232         {\r
1233                 getcwd(curr_path, PATH_MAX);\r
1234         }\r
1235 \r
1236         if (rom_data) menu_sel = menu_sel_min = 0;\r
1237         if (PicoPatches) menu_sel_max = 9;\r
1238 \r
1239         /* make sure action buttons are not pressed on entering menu */\r
1240         draw_menu_root(menu_sel);\r
1241         while (gp2x_joystick_read(1) & (GP2X_B|GP2X_X|GP2X_SELECT)) usleep(50*1000);\r
1242 \r
1243         for (;;)\r
1244         {\r
1245                 draw_menu_root(menu_sel);\r
1246                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X|GP2X_SELECT);\r
1247                 if(inp & GP2X_UP  )  { menu_sel--; if (menu_sel < menu_sel_min) menu_sel = menu_sel_max; }\r
1248                 if(inp & GP2X_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = menu_sel_min; }\r
1249                 if(inp &(GP2X_SELECT|GP2X_X)){\r
1250                         if (rom_data) {\r
1251                                 while (gp2x_joystick_read(1) & (GP2X_SELECT|GP2X_X)) usleep(50*1000); // wait until select is released\r
1252                                 engineState = PGS_Running;\r
1253                                 break;\r
1254                         }\r
1255                 }\r
1256                 if(inp & GP2X_B   )  {\r
1257                         switch (menu_sel) {\r
1258                                 case 0: // resume game\r
1259                                         if (rom_data) { engineState = PGS_Running; return; }\r
1260                                         break;\r
1261                                 case 1: // save state\r
1262                                         if (rom_data) {\r
1263                                                 if(savestate_menu_loop(0))\r
1264                                                         continue;\r
1265                                                 engineState = PGS_Running;\r
1266                                                 return;\r
1267                                         }\r
1268                                         break;\r
1269                                 case 2: // load state\r
1270                                         if (rom_data) {\r
1271                                                 if(savestate_menu_loop(1))\r
1272                                                         continue;\r
1273                                                 engineState = PGS_Running;\r
1274                                                 return;\r
1275                                         }\r
1276                                         break;\r
1277                                 case 3: // reset game\r
1278                                         if (rom_data) {\r
1279                                                 emu_ResetGame();\r
1280                                                 engineState = PGS_Running;\r
1281                                                 return;\r
1282                                         }\r
1283                                         break;\r
1284                                 case 4: // select rom\r
1285                                         selfname = romsel_loop(curr_path);\r
1286                                         if (selfname) {\r
1287                                                 printf("selected file: %s\n", selfname);\r
1288                                                 engineState = PGS_ReloadRom;\r
1289                                         }\r
1290                                         return;\r
1291                                 case 5: // options\r
1292                                         ret = menu_loop_options();\r
1293                                         if (ret == 1) continue; // status update\r
1294                                         if (engineState == PGS_ReloadRom)\r
1295                                                 return; // BIOS test\r
1296                                         break;\r
1297                                 case 6: // controls\r
1298                                         kc_sel_loop();\r
1299                                         break;\r
1300                                 case 7: // credits\r
1301                                         draw_menu_credits();\r
1302                                         usleep(500*1000);\r
1303                                         inp = wait_for_input(GP2X_B|GP2X_X);\r
1304                                         break;\r
1305                                 case 8: // exit\r
1306                                         engineState = PGS_Quit;\r
1307                                         return;\r
1308                                 case 9: // patches/gg\r
1309                                         if (rom_data && PicoPatches) {\r
1310                                                 patches_menu_loop();\r
1311                                                 PicoPatchApply();\r
1312                                                 strcpy(menuErrorMsg, "Patches applied");\r
1313                                                 continue;\r
1314                                         }\r
1315                                         break;\r
1316                         }\r
1317                 }\r
1318                 menuErrorMsg[0] = 0; // clear error msg\r
1319         }\r
1320 }\r
1321 \r
1322 \r
1323 static void menu_prepare_bg(void)\r
1324 {\r
1325         extern int localPal[0x100];\r
1326         int c, i;\r
1327 \r
1328         // don't clear old palette just for fun (but make it dark)\r
1329         for (i = 0x100-1; i >= 0; i--) {\r
1330                 c = localPal[i];\r
1331                 localPal[i] = ((c >> 1) & 0x007f7f7f) - ((c >> 3) & 0x001f1f1f);\r
1332         }\r
1333         localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
1334         localPal[0xf0] = 0x00ffffff;\r
1335 \r
1336         gp2x_video_setpalette(localPal, 0x100);\r
1337 }\r
1338 \r
1339 static void menu_gfx_prepare(void)\r
1340 {\r
1341         menu_prepare_bg();\r
1342 \r
1343         // switch to 8bpp\r
1344         gp2x_video_changemode2(8);\r
1345         gp2x_video_RGB_setscaling(0, 320, 240);\r
1346         gp2x_video_flip2();\r
1347 }\r
1348 \r
1349 \r
1350 void menu_loop(void)\r
1351 {\r
1352         menu_gfx_prepare();\r
1353 \r
1354         menu_loop_root();\r
1355 \r
1356         menuErrorMsg[0] = 0;\r
1357 }\r