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