drivers/gp2x/menu.c

   1 // (c) Copyright 2006,2007 notaz, All rights reserved.\r
   2 // Free for non-commercial use.\r
   3 \r
   4 // For commercial use, separate licencing terms must be obtained.\r
   5 \r
   6 #include <stdio.h>\r
   7 #include <string.h>\r
   8 #include <stdlib.h>\r
   9 #include <stdarg.h>\r
  10 #include <unistd.h>\r
  11 #include <dirent.h>\r
  12 \r
  13 #include "minimal.h"\r
  14 #include "usbjoy.h"\r
  15 #include "asmutils.h"\r
  16 #include "menu.h"\r
  17 #include "main.h"\r
  18 #include "fonts.h"\r
  19 #include "gp2x.h"\r
  20 \r
  21 #include "../../input.h"\r
  22 #include "../../state.h"\r
  23 #include "../../palette.h"\r
  24 #include "readpng.h"\r
  25 \r
  26 #ifndef _DIRENT_HAVE_D_TYPE\r
  27 #error "need d_type for file browser\r
  28 #endif\r
  29 \r
  30 extern int GP2X_PORT_REV;\r
  31 extern char lastLoadedGameName[PATH_MAX];\r
  32 extern int mmuhack_status;\r
  33 extern int soundvol;\r
  34 extern uint8 Exit; // exit emu loop flag\r
  35 extern int InitSound(void);\r
  36 \r
  37 #define CONFIGURABLE_KEYS (GP2X_UP|GP2X_LEFT|GP2X_DOWN|GP2X_RIGHT|GP2X_START|GP2X_SELECT|GP2X_L|GP2X_R|GP2X_A|GP2X_B|GP2X_X|GP2X_Y|GP2X_PUSH)\r
  38 \r
  39 static char *gp2xKeyNames[] = {\r
  40         "UP",    "01???",  "LEFT", "03???", "DOWN", "05???", "RIGHT",    "07???",\r
  41         "START", "SELECT", "L",    "R",     "A",    "B",     "X",        "Y",\r
  42         "10???", "11???",  "12???","13???", "14???","15???", "VOL DOWN", "VOL UP",\r
  43         "18???", "19???",  "1a???","PUSH",  "1c???","1d???", "1e???",    "1f???"\r
  44 };\r
  45 \r
  46 \r
  47 static char path_buffer[PATH_MAX];\r
  48 static unsigned short *menu_bg = 0;\r
  49 static int txt_xmin, txt_xmax, txt_ymin, txt_ymax;\r
  50 \r
  51 char menuErrorMsg[40] = {0, };\r
  52 \r
  53 static void gp2x_fceu_darken_reset(void)\r
  54 {\r
  55         txt_xmin = 320; txt_xmax = 0;\r
  56         txt_ymin = 240; txt_ymax = 0;\r
  57 }\r
  58 \r
  59 static void gp2x_fceu_copy_bg(void)\r
  60 {\r
  61         if (menu_bg)\r
  62              memcpy(gp2x_screen, menu_bg, 320*240*2);\r
  63         else memset(gp2x_screen, 0, 320*240*2);\r
  64         gp2x_fceu_darken_reset();\r
  65 }\r
  66 \r
  67 static void gp2x_fceu_darken_text_bg(void)\r
  68 {\r
  69         int x, y, xmin, xmax, ymax;\r
  70         unsigned short *screen = gp2x_screen;\r
  71 \r
  72         xmin = txt_xmin - 3;\r
  73         if (xmin < 0) xmin = 0;\r
  74         xmax = txt_xmax + 2;\r
  75         if (xmax > 319) xmax = 319;\r
  76 \r
  77         y = txt_ymin - 3;\r
  78         if (y < 0) y = 0;\r
  79         ymax = txt_ymax + 2;\r
  80         if (ymax > 239) ymax = 239;\r
  81 \r
  82         for (x = xmin; x <= xmax; x++)\r
  83                 screen[y*320+x] = 0xa514;\r
  84         for (y++; y < ymax; y++)\r
  85         {\r
  86                 screen[y*320+xmin] = 0xffff;\r
  87                 for (x = xmin+1; x < xmax; x++)\r
  88                 {\r
  89                         unsigned int p = screen[y*320+x];\r
  90                         if (p != 0xffff)\r
  91                                 screen[y*320+x] = ((p&0xf79e)>>1) - ((p&0xc618)>>3);\r
  92                 }\r
  93                 screen[y*320+xmax] = 0xffff;\r
  94         }\r
  95         for (x = xmin; x <= xmax; x++)\r
  96                 screen[y*320+x] = 0xffff;\r
  97 }\r
  98 \r
  99 static void gp2x_fceu_darken_all(void)\r
 100 {\r
 101         unsigned int *screen = gp2x_screen;\r
 102         int count = 320*240/2;\r
 103 \r
 104         while (count--)\r
 105         {\r
 106                 unsigned int p = screen[count];\r
 107                 screen[count] = ((p&0xf79ef79e)>>1) - ((p&0xc618c618)>>3);\r
 108         }\r
 109 }\r
 110 \r
 111 // draws white text to current bbp15 screen\r
 112 static void gp2x_text_out15_(int x, int y, const char *text)\r
 113 {\r
 114         int i,l;\r
 115         unsigned short *screen = gp2x_screen;\r
 116 \r
 117         screen = screen + x + y*320;\r
 118 \r
 119         for (i = 0; i < strlen(text); i++)\r
 120         {\r
 121                 for (l=0;l<8;l++)\r
 122                 {\r
 123                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=0xffff;\r
 124                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=0xffff;\r
 125                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=0xffff;\r
 126                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=0xffff;\r
 127                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=0xffff;\r
 128                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=0xffff;\r
 129                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=0xffff;\r
 130                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=0xffff;\r
 131                 }\r
 132                 screen += 8;\r
 133         }\r
 134         if (x < txt_xmin) txt_xmin = x;\r
 135         if (x+i*8 > txt_xmax) txt_xmax = x+i*8;\r
 136         if (y < txt_ymin) txt_ymin = y;\r
 137         if (y+8   > txt_ymax) txt_ymax = y+8;\r
 138 }\r
 139 \r
 140 void gp2x_text_out15(int x, int y, const char *texto, ...)\r
 141 {\r
 142         va_list args;\r
 143         char    buffer[512];\r
 144 \r
 145         va_start(args,texto);\r
 146         vsprintf(buffer,texto,args);\r
 147         va_end(args);\r
 148 \r
 149         gp2x_text_out15_(x,y,buffer);\r
 150 }\r
 151 \r
 152 \r
 153 void gp2x_text_out15_lim(int x, int y, const char *texto, int max)\r
 154 {\r
 155         char    buffer[320/8+1];\r
 156 \r
 157         strncpy(buffer, texto, 320/8);\r
 158         if (max > 320/8) max = 320/8;\r
 159         if (max < 0) max = 0;\r
 160         buffer[max] = 0;\r
 161 \r
 162         gp2x_text_out15(x,y,buffer);\r
 163 }\r
 164 \r
 165 static void gp2x_smalltext16(int x, int y, const char *texto)\r
 166 {\r
 167         int i;\r
 168         unsigned char  *src;\r
 169         unsigned short *dst;\r
 170 \r
 171         for (i = 0;; i++, x += 6)\r
 172         {\r
 173                 unsigned char c = (unsigned char) texto[i];\r
 174                 int h = 8;\r
 175 \r
 176                 if (!c) break;\r
 177 \r
 178                 src = fontdata6x8[c];\r
 179                 dst = (unsigned short *)gp2x_screen + x + y*320;\r
 180 \r
 181                 while (h--)\r
 182                 {\r
 183                         int w = 0x20;\r
 184                         while (w)\r
 185                         {\r
 186                                 if( *src & w ) *dst = 0xffff;\r
 187                                 dst++;\r
 188                                 w>>=1;\r
 189                         }\r
 190                         src++;\r
 191 \r
 192                         dst += 320-6;\r
 193                 }\r
 194         }\r
 195 }\r
 196 \r
 197 static void gp2x_smalltext16_lim(int x, int y, const char *texto, int max)\r
 198 {\r
 199         char    buffer[320/6+1];\r
 200 \r
 201         strncpy(buffer, texto, 320/6);\r
 202         if (max > 320/6) max = 320/6;\r
 203         if (max < 0) max = 0;\r
 204         buffer[max] = 0;\r
 205 \r
 206         gp2x_smalltext16(x, y, buffer);\r
 207 }\r
 208 \r
 209 \r
 210 static unsigned long inp_prev = 0;\r
 211 static int inp_prevjoy = 0;\r
 212 \r
 213 static unsigned long wait_for_input(unsigned long interesting)\r
 214 {\r
 215         unsigned long ret;\r
 216         static int repeats = 0, wait = 50*1000;\r
 217         int release = 0, i;\r
 218 \r
 219         if (repeats == 2 || repeats == 4) wait /= 2;\r
 220         if (repeats == 6) wait = 15 * 1000;\r
 221 \r
 222         for (i = 0; i < 6 && inp_prev == gp2x_joystick_read(1); i++) {\r
 223                 if (i == 0) repeats++;\r
 224                 if (wait >= 30*1000) usleep(wait); // usleep sleeps for ~30ms minimum\r
 225                 else spend_cycles(wait * Settings.cpuclock);\r
 226         }\r
 227 \r
 228         while ( !((ret = gp2x_joystick_read(1)) & interesting) ) {\r
 229                 usleep(50000);\r
 230                 release = 1;\r
 231         }\r
 232 \r
 233         if (release || ret != inp_prev) {\r
 234                 repeats = 0;\r
 235                 wait = 50*1000;\r
 236         }\r
 237         inp_prev = ret;\r
 238         inp_prevjoy = 0;\r
 239 \r
 240         // we don't need diagonals in menus\r
 241         if ((ret&GP2X_UP)   && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 242         if ((ret&GP2X_UP)   && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 243         if ((ret&GP2X_DOWN) && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 244         if ((ret&GP2X_DOWN) && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 245 \r
 246         return ret;\r
 247 }\r
 248 \r
 249 static unsigned long input2_read(unsigned long interesting, int *joy)\r
 250 {\r
 251         unsigned long ret;\r
 252         int i;\r
 253 \r
 254         do\r
 255         {\r
 256                 *joy = 0;\r
 257                 if ((ret = gp2x_joystick_read(0) & interesting)) break;\r
 258                 gp2x_usbjoy_update();\r
 259                 for (i = 0; i < num_of_joys; i++) {\r
 260                         ret = gp2x_usbjoy_check2(i);\r
 261                         if (ret) { *joy = i + 1; break; }\r
 262                 }\r
 263                 if (ret) break;\r
 264         }\r
 265         while(0);\r
 266 \r
 267         return ret;\r
 268 }\r
 269 \r
 270 // similar to wait_for_input(), but returns joy num\r
 271 static unsigned long wait_for_input_usbjoy(unsigned long interesting, int *joy)\r
 272 {\r
 273         unsigned long ret;\r
 274         const int wait = 300*1000;\r
 275         int i;\r
 276 \r
 277         if (inp_prevjoy == 0) inp_prev &= interesting;\r
 278         for (i = 0; i < 6; i++) {\r
 279                 ret = input2_read(interesting, joy);\r
 280                 if (*joy != inp_prevjoy || ret != inp_prev) break;\r
 281                 usleep(wait/6);\r
 282         }\r
 283 \r
 284         while ( !(ret = input2_read(interesting, joy)) ) {\r
 285                 usleep(50000);\r
 286         }\r
 287 \r
 288         inp_prev = ret;\r
 289         inp_prevjoy = *joy;\r
 290 \r
 291         return ret;\r
 292 }\r
 293 \r
 294 \r
 295 \r
 296 // -------------- ROM selector --------------\r
 297 \r
 298 static void draw_dirlist(char *curdir, struct dirent **namelist, int n, int sel)\r
 299 {\r
 300         int start, i, pos;\r
 301 \r
 302         start = 12 - sel;\r
 303         n--; // exclude current dir (".")\r
 304 \r
 305         gp2x_fceu_copy_bg();\r
 306         gp2x_fceu_darken_all();\r
 307 \r
 308         if(start - 2 >= 0)\r
 309                 gp2x_smalltext16_lim(14, (start - 2)*10, curdir, 53-2);\r
 310         for (i = 0; i < n; i++) {\r
 311                 pos = start + i;\r
 312                 if (pos < 0)  continue;\r
 313                 if (pos > 23) break;\r
 314                 if (namelist[i+1]->d_type == DT_DIR) {\r
 315                         gp2x_smalltext16_lim(14,   pos*10, "/", 1);\r
 316                         gp2x_smalltext16_lim(14+6, pos*10, namelist[i+1]->d_name, 53-3);\r
 317                 } else {\r
 318                         gp2x_smalltext16_lim(14,   pos*10, namelist[i+1]->d_name, 53-2);\r
 319                 }\r
 320         }\r
 321         gp2x_text_out15(5, 120, ">");\r
 322         gp2x_video_flip();\r
 323 }\r
 324 \r
 325 static int scandir_cmp(const void *p1, const void *p2)\r
 326 {\r
 327         struct dirent **d1 = (struct dirent **)p1, **d2 = (struct dirent **)p2;\r
 328         if ((*d1)->d_type == (*d2)->d_type) return alphasort(d1, d2);\r
 329         if ((*d1)->d_type == DT_DIR) return -1; // put before\r
 330         if ((*d2)->d_type == DT_DIR) return  1;\r
 331         return alphasort(d1, d2);\r
 332 }\r
 333 \r
 334 static char *filter_exts[] = {\r
 335         ".gpe", ".png", "ck.o", ".txt"\r
 336 };\r
 337 \r
 338 static int scandir_filter(const struct dirent *ent)\r
 339 {\r
 340         const char *p;\r
 341         int i;\r
 342 \r
 343         if (ent == NULL || ent->d_name == NULL) return 0;\r
 344         if (strlen(ent->d_name) < 5) return 1;\r
 345 \r
 346         p = ent->d_name + strlen(ent->d_name) - 4;\r
 347 \r
 348         for (i = 0; i < sizeof(filter_exts)/sizeof(filter_exts[0]); i++)\r
 349         {\r
 350                 if (strcmp(p, filter_exts[i]) == 0) return 0;\r
 351         }\r
 352 \r
 353         return 1;\r
 354 }\r
 355 \r
 356 static char *filesel_loop(char *curr_path, char *final_dest)\r
 357 {\r
 358         struct dirent **namelist;\r
 359         DIR *dir;\r
 360         int n, newlen, sel = 0;\r
 361         unsigned long inp = 0;\r
 362         char *ret = NULL, *fname = NULL;\r
 363 \r
 364         // is this a dir or a full path?\r
 365         if ((dir = opendir(curr_path))) {\r
 366                 closedir(dir);\r
 367         } else {\r
 368                 char *p;\r
 369                 for (p = curr_path + strlen(curr_path) - 1; p > curr_path && *p != '/'; p--);\r
 370                 *p = 0;\r
 371                 fname = p+1;\r
 372         }\r
 373 \r
 374         n = scandir(curr_path, &namelist, scandir_filter, scandir_cmp);\r
 375         if (n < 0) {\r
 376                 // try root\r
 377                 n = scandir("/", &namelist, scandir_filter, scandir_cmp);\r
 378                 if (n < 0) {\r
 379                         // oops, we failed\r
 380                         printf("dir: %s\n", curr_path);\r
 381                         perror("scandir");\r
 382                         return NULL;\r
 383                 }\r
 384         }\r
 385 \r
 386         // try to find sel\r
 387         if (fname != NULL) {\r
 388                 int i;\r
 389                 for (i = 1; i < n; i++) {\r
 390                         if (strcmp(namelist[i]->d_name, fname) == 0) {\r
 391                                 sel = i - 1;\r
 392                                 break;\r
 393                         }\r
 394                 }\r
 395         }\r
 396 \r
 397         for (;;)\r
 398         {\r
 399                 draw_dirlist(curr_path, namelist, n, sel);\r
 400                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 401                 if(inp & GP2X_UP  )  { sel--;   if (sel < 0)   sel = n-2; }\r
 402                 if(inp & GP2X_DOWN)  { sel++;   if (sel > n-2) sel = 0; }\r
 403                 if(inp & GP2X_LEFT)  { sel-=10; if (sel < 0)   sel = 0; }\r
 404                 if(inp & GP2X_L)     { sel-=24; if (sel < 0)   sel = 0; }\r
 405                 if(inp & GP2X_RIGHT) { sel+=10; if (sel > n-2) sel = n-2; }\r
 406                 if(inp & GP2X_R)     { sel+=24; if (sel > n-2) sel = n-2; }\r
 407                 if(inp & GP2X_B)     { // enter dir/select\r
 408                         again:\r
 409                         newlen = strlen(curr_path) + strlen(namelist[sel+1]->d_name) + 2;\r
 410                         if (namelist[sel+1]->d_type == DT_REG) { // file selected\r
 411                                 if (final_dest == NULL) final_dest = malloc(newlen);\r
 412                                 if (final_dest == NULL) break;\r
 413                                 strcpy(final_dest, curr_path);\r
 414                                 strcat(final_dest, "/");\r
 415                                 strcat(final_dest, namelist[sel+1]->d_name);\r
 416                                 ret = final_dest;\r
 417                                 break;\r
 418                         } else if (namelist[sel+1]->d_type == DT_DIR) {\r
 419                                 char *p, *newdir = malloc(newlen);\r
 420                                 if (newdir == NULL) break;\r
 421                                 if (strcmp(namelist[sel+1]->d_name, "..") == 0) {\r
 422                                         char *start = curr_path;\r
 423                                         p = start + strlen(start) - 1;\r
 424                                         while (*p == '/' && p > start) p--;\r
 425                                         while (*p != '/' && p > start) p--;\r
 426                                         if (p <= start) strcpy(newdir, "/");\r
 427                                         else { strncpy(newdir, start, p-start); newdir[p-start] = 0; }\r
 428                                 } else {\r
 429                                         strcpy(newdir, curr_path);\r
 430                                         p = newdir + strlen(newdir) - 1;\r
 431                                         while (p >= newdir && *p == '/') *p-- = 0;\r
 432                                         strcat(newdir, "/");\r
 433                                         strcat(newdir, namelist[sel+1]->d_name);\r
 434                                 }\r
 435                                 ret = filesel_loop(newdir, final_dest);\r
 436                                 free(newdir);\r
 437                                 break;\r
 438                         } else {\r
 439                                 // unknown file type, happens on NTFS mounts. Try to guess.\r
 440                                 char *tstfn; FILE *tstf; int tmp;\r
 441                                 tstfn = malloc(newlen);\r
 442                                 if (tstfn == NULL) break;\r
 443                                 strcpy(tstfn, curr_path);\r
 444                                 strcat(tstfn, "/");\r
 445                                 strcat(tstfn, namelist[sel+1]->d_name);\r
 446                                 tstf = fopen(tstfn, "rb");\r
 447                                 free(tstfn);\r
 448                                 if (tstf != NULL)\r
 449                                 {\r
 450                                         if (fread(&tmp, 1, 1, tstf) > 0 || ferror(tstf) == 0)\r
 451                                                 namelist[sel+1]->d_type = DT_REG;\r
 452                                         else    namelist[sel+1]->d_type = DT_DIR;\r
 453                                         fclose(tstf);\r
 454                                         goto again;\r
 455                                 }\r
 456                         }\r
 457                 }\r
 458                 if(inp & GP2X_X) break; // cancel\r
 459         }\r
 460 \r
 461         if (n > 0) {\r
 462                 while(n--) free(namelist[n]);\r
 463                 free(namelist);\r
 464         }\r
 465 \r
 466         return ret;\r
 467 }\r
 468 \r
 469 // ------------ patch/gg menu ------------\r
 470 \r
 471 extern void *cheats;\r
 472 static int cheat_count = 0, cheat_start, cheat_pos;\r
 473 \r
 474 static int countcallb(char *name, uint32 a, uint8 v, int compare, int s, int type, void *data)\r
 475 {\r
 476         cheat_count++;\r
 477         return 1;\r
 478 }\r
 479 \r
 480 static int clistcallb(char *name, uint32 a, uint8 v, int compare, int s, int type, void *data)\r
 481 {\r
 482         int pos;\r
 483 \r
 484         pos = cheat_start + cheat_pos;\r
 485         cheat_pos++;\r
 486         if (pos < 0)  return 1;\r
 487         if (pos > 23) return 0;\r
 488 \r
 489         gp2x_smalltext16_lim(14,     pos*10, s ? "ON " : "OFF", 3);\r
 490         gp2x_smalltext16_lim(14+6*4, pos*10, type ? "S" : "R", 1);\r
 491         gp2x_smalltext16_lim(14+6*6, pos*10, name, 53-8);\r
 492 \r
 493         return 1;\r
 494 }\r
 495 \r
 496 static void draw_patchlist(int sel)\r
 497 {\r
 498         int pos;\r
 499 \r
 500         gp2x_fceu_copy_bg();\r
 501         gp2x_fceu_darken_all();\r
 502 \r
 503         cheat_start = 12 - sel;\r
 504         cheat_pos = 0;\r
 505         FCEUI_ListCheats(clistcallb,0);\r
 506 \r
 507         pos = cheat_start + cheat_pos;\r
 508         if (pos < 24) gp2x_smalltext16_lim(14, pos*10, "done", 4);\r
 509 \r
 510         gp2x_text_out15(5, 120, ">");\r
 511         gp2x_video_flip();\r
 512 }\r
 513 \r
 514 void patches_menu_loop(void)\r
 515 {\r
 516         int menu_sel = 0;\r
 517         unsigned long inp = 0;\r
 518 \r
 519         cheat_count = 0;\r
 520         FCEUI_ListCheats(countcallb,0);\r
 521 \r
 522         for(;;)\r
 523         {\r
 524                 draw_patchlist(menu_sel);\r
 525                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 526                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = cheat_count; }\r
 527                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > cheat_count) menu_sel = 0; }\r
 528                 if(inp &(GP2X_LEFT|GP2X_L))  { menu_sel-=10; if (menu_sel < 0) menu_sel = 0; }\r
 529                 if(inp &(GP2X_RIGHT|GP2X_R)) { menu_sel+=10; if (menu_sel > cheat_count) menu_sel = cheat_count; }\r
 530                 if(inp & GP2X_B) { // action\r
 531                         if (menu_sel < cheat_count)\r
 532                              FCEUI_ToggleCheat(menu_sel);\r
 533                         else return;\r
 534                 }\r
 535                 if(inp & GP2X_X) return;\r
 536         }\r
 537 \r
 538 }\r
 539 \r
 540 // ------------ savestate loader ------------\r
 541 \r
 542 #if 0\r
 543 static void menu_prepare_bg(void);\r
 544 \r
 545 static int state_slot_flags = 0;\r
 546 \r
 547 static void state_check_slots(void)\r
 548 {\r
 549         int slot;\r
 550 \r
 551         state_slot_flags = 0;\r
 552 \r
 553         for (slot = 0; slot < 10; slot++)\r
 554         {\r
 555                 if (emu_check_save_file(slot))\r
 556                 {\r
 557                         state_slot_flags |= 1 << slot;\r
 558                 }\r
 559         }\r
 560 }\r
 561 \r
 562 static void draw_savestate_bg(int slot)\r
 563 {\r
 564         struct PicoVideo tmp_pv;\r
 565         unsigned short tmp_cram[0x40];\r
 566         unsigned short tmp_vsram[0x40];\r
 567         void *tmp_vram, *file;\r
 568         char *fname;\r
 569 \r
 570         fname = emu_GetSaveFName(1, 0, slot);\r
 571         if (!fname) return;\r
 572 \r
 573         tmp_vram = malloc(sizeof(Pico.vram));\r
 574         if (tmp_vram == NULL) return;\r
 575 \r
 576         memcpy(tmp_vram, Pico.vram, sizeof(Pico.vram));\r
 577         memcpy(tmp_cram, Pico.cram, sizeof(Pico.cram));\r
 578         memcpy(tmp_vsram, Pico.vsram, sizeof(Pico.vsram));\r
 579         memcpy(&tmp_pv, &Pico.video, sizeof(Pico.video));\r
 580 \r
 581         if (strcmp(fname + strlen(fname) - 3, ".gz") == 0) {\r
 582                 file = gzopen(fname, "rb");\r
 583                 emu_set_save_cbs(1);\r
 584         } else {\r
 585                 file = fopen(fname, "rb");\r
 586                 emu_set_save_cbs(0);\r
 587         }\r
 588 \r
 589         if (file) {\r
 590                 if (PicoMCD & 1) {\r
 591                         PicoCdLoadStateGfx(file);\r
 592                 } else {\r
 593                         areaSeek(file, 0x10020, SEEK_SET);  // skip header and RAM in state file\r
 594                         areaRead(Pico.vram, 1, sizeof(Pico.vram), file);\r
 595                         areaSeek(file, 0x2000, SEEK_CUR);\r
 596                         areaRead(Pico.cram, 1, sizeof(Pico.cram), file);\r
 597                         areaRead(Pico.vsram, 1, sizeof(Pico.vsram), file);\r
 598                         areaSeek(file, 0x221a0, SEEK_SET);\r
 599                         areaRead(&Pico.video, 1, sizeof(Pico.video), file);\r
 600                 }\r
 601                 areaClose(file);\r
 602         }\r
 603 \r
 604         emu_forced_frame();\r
 605         gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);\r
 606         menu_prepare_bg();\r
 607 \r
 608         memcpy(Pico.vram, tmp_vram, sizeof(Pico.vram));\r
 609         memcpy(Pico.cram, tmp_cram, sizeof(Pico.cram));\r
 610         memcpy(Pico.vsram, tmp_vsram, sizeof(Pico.vsram));\r
 611         memcpy(&Pico.video, &tmp_pv,  sizeof(Pico.video));\r
 612         free(tmp_vram);\r
 613 }\r
 614 \r
 615 static void draw_savestate_menu(int menu_sel, int is_loading)\r
 616 {\r
 617         int tl_x = 25, tl_y = 60, y, i;\r
 618 \r
 619         if (state_slot_flags & (1 << menu_sel))\r
 620                 draw_savestate_bg(menu_sel);\r
 621         gp2x_fceu_copy_bg();\r
 622 \r
 623         gp2x_text_out15(tl_x, 30, is_loading ? "Load state" : "Save state");\r
 624 \r
 625         /* draw all 10 slots */\r
 626         y = tl_y;\r
 627         for (i = 0; i < 10; i++, y+=10)\r
 628         {\r
 629                 gp2x_text_out15(tl_x, y, "SLOT %i (%s)", i, (state_slot_flags & (1 << i)) ? "USED" : "free");\r
 630         }\r
 631         gp2x_text_out15(tl_x, y, "back");\r
 632 \r
 633         // draw cursor\r
 634         gp2x_text_out15(tl_x - 16, tl_y + menu_sel*10, ">");\r
 635 \r
 636         gp2x_video_flip();\r
 637 }\r
 638 \r
 639 static int savestate_menu_loop(int is_loading)\r
 640 {\r
 641         int menu_sel = 10, menu_sel_max = 10;\r
 642         unsigned long inp = 0;\r
 643 \r
 644         state_check_slots();\r
 645 \r
 646         for(;;)\r
 647         {\r
 648                 draw_savestate_menu(menu_sel, is_loading);\r
 649                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 650                 if(inp & GP2X_UP  ) {\r
 651                         do {\r
 652                                 menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max;\r
 653                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 654                 }\r
 655                 if(inp & GP2X_DOWN) {\r
 656                         do {\r
 657                                 menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0;\r
 658                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 659                 }\r
 660                 if(inp & GP2X_B) { // save/load\r
 661                         if (menu_sel < 10) {\r
 662                                 state_slot = menu_sel;\r
 663                                 if (emu_SaveLoadGame(is_loading, 0)) {\r
 664                                         strcpy(menuErrorMsg, is_loading ? "Load failed" : "Save failed");\r
 665                                         return 1;\r
 666                                 }\r
 667                                 return 0;\r
 668                         } else  return 1;\r
 669                 }\r
 670                 if(inp & GP2X_X) return 1;\r
 671         }\r
 672 }\r
 673 #endif\r
 674 \r
 675 // -------------- key config --------------\r
 676 \r
 677 static char *usb_joy_key_name(int joy, int num)\r
 678 {\r
 679         static char name[16];\r
 680         switch (num)\r
 681         {\r
 682                 case 0: sprintf(name, "Joy%i UP", joy); break;\r
 683                 case 1: sprintf(name, "Joy%i DOWN", joy); break;\r
 684                 case 2: sprintf(name, "Joy%i LEFT", joy); break;\r
 685                 case 3: sprintf(name, "Joy%i RIGHT", joy); break;\r
 686                 default:sprintf(name, "Joy%i b%i", joy, num-3); break;\r
 687         }\r
 688         return name;\r
 689 }\r
 690 \r
 691 static char *action_binds(int player_idx, int action_mask)\r
 692 {\r
 693         static char strkeys[32*5];\r
 694         int joy, i;\r
 695 \r
 696         strkeys[0] = 0;\r
 697         for (i = 0; i < 32; i++) // i is key index\r
 698         {\r
 699                 if (Settings.KeyBinds[i] & action_mask)\r
 700                 {\r
 701                         if (player_idx >= 0 && ((Settings.KeyBinds[i] >> 16) & 3) != player_idx) continue;\r
 702                         if (strkeys[0]) { strcat(strkeys, " + "); strcat(strkeys, gp2xKeyNames[i]); break; }\r
 703                         else strcpy(strkeys, gp2xKeyNames[i]);\r
 704                 }\r
 705         }\r
 706         for (joy = 0; joy < num_of_joys; joy++)\r
 707         {\r
 708                 for (i = 0; i < 32; i++)\r
 709                 {\r
 710                         if (Settings.JoyBinds[joy][i] & action_mask)\r
 711                         {\r
 712                                 if (player_idx >= 0 && ((Settings.JoyBinds[joy][i] >> 16) & 3) != player_idx) continue;\r
 713                                 if (strkeys[0]) {\r
 714                                         strcat(strkeys, ", "); strcat(strkeys, usb_joy_key_name(joy + 1, i));\r
 715                                         break;\r
 716                                 }\r
 717                                 else strcpy(strkeys, usb_joy_key_name(joy + 1, i));\r
 718                         }\r
 719                 }\r
 720         }\r
 721 \r
 722         return strkeys;\r
 723 }\r
 724 \r
 725 static void unbind_action(int action)\r
 726 {\r
 727         int i, u;\r
 728 \r
 729         for (i = 0; i < 32; i++)\r
 730                 Settings.KeyBinds[i] &= ~action;\r
 731         for (u = 0; u < 4; u++)\r
 732                 for (i = 0; i < 32; i++)\r
 733                         Settings.JoyBinds[u][i] &= ~action;\r
 734 }\r
 735 \r
 736 static int count_bound_keys(int action, int is_joy)\r
 737 {\r
 738         int i, u, keys = 0;\r
 739 \r
 740         if (is_joy)\r
 741         {\r
 742                 for (u = 0; u < 4; u++)\r
 743                         for (i = 0; i < 32; i++)\r
 744                                 if (Settings.JoyBinds[u][i] & action) keys++;\r
 745         }\r
 746         else\r
 747         {\r
 748                 for (i = 0; i < 32; i++)\r
 749                         if (Settings.KeyBinds[i] & action) keys++;\r
 750         }\r
 751         return keys;\r
 752 }\r
 753 \r
 754 typedef struct { char *name; int mask; } bind_action_t;\r
 755 \r
 756 static void draw_key_config(const bind_action_t *opts, int opt_cnt, int player_idx, int sel)\r
 757 {\r
 758         int x, y, tl_y = 40, i;\r
 759 \r
 760         gp2x_fceu_copy_bg();\r
 761         if (player_idx >= 0)\r
 762              gp2x_text_out15(80, 20, "Player %i controls", player_idx + 1);\r
 763         else gp2x_text_out15(80, 20, "Emulator controls");\r
 764 \r
 765         x = 40; y = tl_y;\r
 766         for (i = 0; i < opt_cnt; i++, y+=10)\r
 767                 gp2x_text_out15(x, y, "%s : %s", opts[i].name, action_binds(player_idx, opts[i].mask));\r
 768 \r
 769         gp2x_text_out15(x, y, "Done");\r
 770 \r
 771         // draw cursor\r
 772         gp2x_text_out15(x - 16, tl_y + sel*10, ">");\r
 773 \r
 774         gp2x_fceu_darken_text_bg();\r
 775         gp2x_fceu_darken_reset();\r
 776 \r
 777         if (sel < opt_cnt) {\r
 778                 gp2x_text_out15(30, 190, "Press a button to bind/unbind");\r
 779                 gp2x_text_out15(30, 200, "Use VOL+ to clear");\r
 780                 gp2x_text_out15(30, 210, "To bind UP/DOWN, hold VOL-");\r
 781                 gp2x_text_out15(30, 220, "Select \"Done\" to exit");\r
 782         } else {\r
 783                 gp2x_text_out15(30, 200, "Use Options -> Save cfg");\r
 784                 gp2x_text_out15(30, 210, "to save controls");\r
 785                 gp2x_text_out15(30, 220, "Press B or X to exit");\r
 786         }\r
 787         gp2x_fceu_darken_text_bg();\r
 788         gp2x_video_flip();\r
 789 }\r
 790 \r
 791 static void key_config_loop(const bind_action_t *opts, int opt_cnt, int player_idx)\r
 792 {\r
 793         int joy = 0, sel = 0, menu_sel_max = opt_cnt, i;\r
 794         unsigned long inp = 0;\r
 795 \r
 796         for (;;)\r
 797         {\r
 798                 draw_key_config(opts, opt_cnt, player_idx, sel);\r
 799                 inp = wait_for_input_usbjoy(CONFIGURABLE_KEYS|GP2X_VOL_DOWN|GP2X_VOL_UP, &joy);\r
 800                 // printf("got %08lX from joy %i\n", inp, joy);\r
 801                 if (joy == 0) {\r
 802                         if (!(inp & GP2X_VOL_DOWN)) {\r
 803                                 if(inp & GP2X_UP  ) { sel--; if (sel < 0) sel = menu_sel_max; continue; }\r
 804                                 if(inp & GP2X_DOWN) { sel++; if (sel > menu_sel_max) sel = 0; continue; }\r
 805                         }\r
 806                         if (sel >= opt_cnt) {\r
 807                                 if (inp & (GP2X_B|GP2X_X)) break;\r
 808                                 else continue;\r
 809                         }\r
 810                         // if we are here, we want to bind/unbind something\r
 811                         if (inp & GP2X_VOL_UP)\r
 812                                 unbind_action(opts[sel].mask);\r
 813                         inp &= CONFIGURABLE_KEYS;\r
 814                         for (i = 0; i < 32; i++)\r
 815                                 if (inp & (1 << i)) {\r
 816                                         if (count_bound_keys(opts[sel].mask, 0) >= 2)\r
 817                                              Settings.KeyBinds[i] &= ~opts[sel].mask; // allow to unbind only\r
 818                                         else Settings.KeyBinds[i] ^=  opts[sel].mask;\r
 819                                         if (player_idx >= 0) {\r
 820                                                 Settings.KeyBinds[i] &= ~(3 << 16);\r
 821                                                 Settings.KeyBinds[i] |= player_idx << 16;\r
 822                                         }\r
 823                                 }\r
 824                 }\r
 825                 else if (sel < opt_cnt)\r
 826                 {\r
 827                         for (i = 0; i < 32; i++)\r
 828                                 if (inp & (1 << i)) {\r
 829                                         if (count_bound_keys(opts[sel].mask, 1) >= 1) // disallow combos for usbjoy\r
 830                                              Settings.JoyBinds[joy-1][i] &= ~opts[sel].mask;\r
 831                                         else Settings.JoyBinds[joy-1][i] ^=  opts[sel].mask;\r
 832                                         if (player_idx >= 0) {\r
 833                                                 Settings.JoyBinds[joy-1][i] &= ~(3 << 16);\r
 834                                                 Settings.JoyBinds[joy-1][i] |= player_idx << 16;\r
 835                                         }\r
 836                                 }\r
 837                 }\r
 838         }\r
 839 }\r
 840 \r
 841 static void draw_kc_sel(int menu_sel)\r
 842 {\r
 843         int tl_x = 25+40, tl_y = 60, y, i;\r
 844         char joyname[36];\r
 845 \r
 846         y = tl_y;\r
 847         gp2x_fceu_copy_bg();\r
 848         gp2x_text_out15(tl_x, y,       "Player 1");\r
 849         gp2x_text_out15(tl_x, (y+=10), "Player 2");\r
 850         gp2x_text_out15(tl_x, (y+=10), "Emulator controls");\r
 851         gp2x_text_out15(tl_x, (y+=10), "Done");\r
 852 \r
 853         // draw cursor\r
 854         gp2x_text_out15(tl_x - 16, tl_y + menu_sel*10, ">");\r
 855 \r
 856         tl_x = 25;\r
 857         gp2x_text_out15(tl_x, (y=110), "USB joys detected:");\r
 858         if (num_of_joys > 0) {\r
 859                 for (i = 0; i < num_of_joys; i++) {\r
 860                         strncpy(joyname, joy_name(joys[i]), 33); joyname[33] = 0;\r
 861                         gp2x_text_out15(tl_x, (y+=10), "%i: %s", i+1, joyname);\r
 862                 }\r
 863         } else {\r
 864                 gp2x_text_out15(tl_x, (y+=10), "none");\r
 865         }\r
 866 \r
 867         gp2x_fceu_darken_text_bg();\r
 868         gp2x_video_flip();\r
 869 }\r
 870 \r
 871 // b_turbo,a_turbo  RLDU SEBA\r
 872 static bind_action_t ctrl_actions[] =\r
 873 {\r
 874         { "UP     ", 0x010 },\r
 875         { "DOWN   ", 0x020 },\r
 876         { "LEFT   ", 0x040 },\r
 877         { "RIGHT  ", 0x080 },\r
 878         { "A      ", 0x001 },\r
 879         { "B      ", 0x002 },\r
 880         { "A TURBO", 0x100 },\r
 881         { "B TURBO", 0x200 },\r
 882         { "START  ", 0x008 },\r
 883         { "SELECT ", 0x004 },\r
 884 };\r
 885 \r
 886 static bind_action_t emuctrl_actions[] =\r
 887 {\r
 888         { "Save State       ", 1<<31 },\r
 889         { "Load State       ", 1<<30 },\r
 890         { "Next State Slot  ", 1<<29 },\r
 891         { "Prev State Slot  ", 1<<28 },\r
 892         { "FDS Insert/Eject ", 1<<27 },\r
 893         { "FDS Select Disk  ", 1<<26 },\r
 894         { "VSUni Insert Coin", 1<<25 },\r
 895 };\r
 896 \r
 897 static void kc_sel_loop(void)\r
 898 {\r
 899         int menu_sel = 3, menu_sel_max = 3;\r
 900         unsigned long inp = 0;\r
 901 \r
 902         for(;;)\r
 903         {\r
 904                 draw_kc_sel(menu_sel);\r
 905                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 906                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 907                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 908                 if(inp & GP2X_B) {\r
 909                         switch (menu_sel) {\r
 910                                 case 0: key_config_loop(ctrl_actions, 10, 0); return;\r
 911                                 case 1: key_config_loop(ctrl_actions,  8, 1); return;\r
 912                                 case 2: key_config_loop(emuctrl_actions,\r
 913                                                 sizeof(emuctrl_actions)/sizeof(emuctrl_actions[0]), -1); return;\r
 914                                 case 3: if (!fceugi) SaveConfig(NULL); return;\r
 915                                 default: return;\r
 916                         }\r
 917                 }\r
 918                 if(inp & GP2X_X) return;\r
 919         }\r
 920 }\r
 921 \r
 922 \r
 923 // --------- FCEU options ----------\r
 924 \r
 925 extern int ntsccol,ntschue,ntsctint;\r
 926 extern int srendlinev[2];\r
 927 extern int erendlinev[2];\r
 928 extern int eoptions;\r
 929 extern char *cpalette;\r
 930 extern void LoadCPalette(void);\r
 931 \r
 932 \r
 933 static void int_incdec(int *p, int inc, int min, int max)\r
 934 {\r
 935         *p += inc;\r
 936         if      (*p < min) *p = min;\r
 937         else if (*p > max) *p = max;\r
 938 }\r
 939 \r
 940 static void draw_fcemenu_options(int menu_sel)\r
 941 {\r
 942         int tl_x = 25, tl_y = 60, y;\r
 943         char cpal[32];\r
 944 \r
 945         if (cpalette != NULL)\r
 946         {\r
 947                 char *p = cpalette + strlen(cpalette) - 1;\r
 948                 while (*p != '/' && p > cpalette) p--;\r
 949                 if (*p == '/') p++;\r
 950                 strncpy(cpal, p, 16);\r
 951                 cpal[16] = 0;\r
 952         }\r
 953         else strcpy(cpal, "           OFF");\r
 954 \r
 955         y = tl_y;\r
 956         gp2x_fceu_copy_bg();\r
 957 \r
 958         gp2x_text_out15(tl_x,  y,      "Custom palette: %s", cpal);                             // 0\r
 959         gp2x_text_out15(tl_x, (y+=10), "NTSC Color Emulation       %s", ntsccol?"ON":"OFF");\r
 960         gp2x_text_out15(tl_x, (y+=10), "  Tint (default: 56)       %i", ntsctint);\r
 961         gp2x_text_out15(tl_x, (y+=10), "  Hue  (default: 72)       %i", ntschue);\r
 962         gp2x_text_out15(tl_x, (y+=10), "First visible line (NTSC)  %i", srendlinev[0]);\r
 963         gp2x_text_out15(tl_x, (y+=10), "Last visible line (NTSC)   %i", erendlinev[0]);         // 5\r
 964         gp2x_text_out15(tl_x, (y+=10), "First visible line (PAL)   %i", srendlinev[1]);\r
 965         gp2x_text_out15(tl_x, (y+=10), "Last visible line (PAL)    %i", erendlinev[1]);\r
 966         gp2x_text_out15(tl_x, (y+=10), "Clip 8 left/right columns  %s", (eoptions&EO_CLIPSIDES)?"ON":"OFF");\r
 967         gp2x_text_out15(tl_x, (y+=10), "Disable 8 sprite limit     %s", (eoptions&EO_NO8LIM)?"ON":"OFF");\r
 968         gp2x_text_out15(tl_x, (y+=10), "Enable authentic GameGenie %s", (eoptions&EO_GG)?"ON":"OFF");\r
 969         gp2x_text_out15(tl_x, (y+=10), "Done");                                                 // 11\r
 970 \r
 971         // draw cursor\r
 972         gp2x_text_out15(tl_x - 16, tl_y + menu_sel*10, ">");\r
 973 \r
 974         if (menu_sel == 0) {\r
 975                 gp2x_fceu_darken_text_bg();\r
 976                 gp2x_fceu_darken_reset();\r
 977 \r
 978                 gp2x_text_out15(30, 210, "Press B to browse,");\r
 979                 gp2x_text_out15(30, 220, "START to use default");\r
 980         }\r
 981 \r
 982         gp2x_fceu_darken_text_bg();\r
 983         gp2x_video_flip();\r
 984 }\r
 985 \r
 986 static void fcemenu_loop_options(void)\r
 987 {\r
 988         int menu_sel = 0, menu_sel_max = 11, i;\r
 989         unsigned long inp = 0;\r
 990 \r
 991         FCEUI_GetNTSCTH(&ntsctint, &ntschue);\r
 992 \r
 993         for(;;)\r
 994         {\r
 995                 draw_fcemenu_options(menu_sel);\r
 996                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A|GP2X_START);\r
 997                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 998                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 999                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
1000                         switch (menu_sel) {\r
1001                                 case  1: ntsccol = !ntsccol; break;\r
1002                                 case  8: eoptions^=EO_CLIPSIDES; break;\r
1003                                 case  9: eoptions^=EO_NO8LIM; break;\r
1004                                 case 10: eoptions^=EO_GG; break;\r
1005                                 case 11: return;\r
1006                         }\r
1007                 }\r
1008                 if(inp & (GP2X_X|GP2X_A)) {\r
1009                         for(i=0;i<2;i++)\r
1010                         {\r
1011                                 if(srendlinev[i]<0 || srendlinev[i]>239) srendlinev[i]=0;\r
1012                                 if(erendlinev[i]<srendlinev[i] || erendlinev[i]>239) erendlinev[i]=239;\r
1013                         }\r
1014                         FCEUI_SetNTSCTH(ntsccol, ntsctint, ntschue);\r
1015                         FCEUI_SetRenderedLines(srendlinev[0],erendlinev[0],srendlinev[1],erendlinev[1]);\r
1016                         FCEUI_DisableSpriteLimitation(eoptions&EO_NO8LIM);\r
1017                         FCEUI_SetGameGenie(eoptions&EO_GG);\r
1018                         if (cpalette) LoadCPalette();\r
1019                         else FCEUI_SetPaletteArray(0); // set to default\r
1020                         FCEU_ResetPalette();\r
1021                         return;\r
1022                 }\r
1023                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
1024                         switch (menu_sel) {\r
1025                                 case  2: int_incdec(&ntsctint,      (inp & GP2X_LEFT) ? -1 : 1, 0, 128); break;\r
1026                                 case  3: int_incdec(&ntschue,       (inp & GP2X_LEFT) ? -1 : 1, 0, 128); break;\r
1027                                 case  4: int_incdec(&srendlinev[0], (inp & GP2X_LEFT) ? -1 : 1, 0, 239); break;\r
1028                                 case  5: int_incdec(&erendlinev[0], (inp & GP2X_LEFT) ? -1 : 1, 0, 239); break;\r
1029                                 case  6: int_incdec(&srendlinev[1], (inp & GP2X_LEFT) ? -1 : 1, 0, 239); break;\r
1030                                 case  7: int_incdec(&erendlinev[1], (inp & GP2X_LEFT) ? -1 : 1, 0, 239); break;\r
1031                         }\r
1032                 }\r
1033                 if(menu_sel == 0 && (inp & (GP2X_START|GP2X_B))) { // custom palette\r
1034                         if ((inp & GP2X_START) && cpalette) {\r
1035                                 free(cpalette);\r
1036                                 cpalette=NULL;\r
1037                         }\r
1038                         else if (inp & GP2X_B) {\r
1039                                 char *selfname;\r
1040                                 if (cpalette) strncpy(path_buffer, cpalette, sizeof(path_buffer));\r
1041                                 else getcwd(path_buffer, PATH_MAX);\r
1042                                 path_buffer[sizeof(path_buffer)-1] = 0;\r
1043 \r
1044                                 selfname = filesel_loop(path_buffer, NULL);\r
1045                                 if (selfname) {\r
1046                                         if (cpalette) free(cpalette);\r
1047                                         cpalette = selfname;\r
1048                                 }\r
1049                         }\r
1050                 }\r
1051         }\r
1052 }\r
1053 \r
1054 // -------------- options --------------\r
1055 \r
1056 static void draw_menu_options(int menu_sel)\r
1057 {\r
1058         int tl_x = 25, tl_y = 32, y;\r
1059         char strframeskip[8], *strscaling, *strssconfirm;\r
1060         char *mms = mmuhack_status ? "active)  " : "inactive)";\r
1061 \r
1062         if (Settings.frameskip < 0)\r
1063              strcpy(strframeskip, "Auto");\r
1064         else sprintf(strframeskip, "%i", Settings.frameskip);\r
1065         switch (Settings.scaling) {\r
1066                 default: strscaling = "            OFF";   break;\r
1067                 case 1:  strscaling = "hw horizontal";     break;\r
1068                 case 2:  strscaling = "hw horiz. + vert."; break;\r
1069                 case 3:  strscaling = "sw horizontal";     break;\r
1070         }\r
1071         switch (Settings.sstate_confirm) {\r
1072                 default: strssconfirm = "OFF";    break;\r
1073                 case 1:  strssconfirm = "writes"; break;\r
1074                 case 2:  strssconfirm = "loads";  break;\r
1075                 case 3:  strssconfirm = "both";   break;\r
1076         }\r
1077 \r
1078         y = tl_y;\r
1079         gp2x_fceu_copy_bg();\r
1080 \r
1081         gp2x_text_out15(tl_x,  y,      "Scaling:       %s", strscaling);                                // 0\r
1082         gp2x_text_out15(tl_x, (y+=10), "Show FPS                   %s", Settings.showfps?"ON":"OFF");   // 1\r
1083         gp2x_text_out15(tl_x, (y+=10), "Frameskip                  %s", strframeskip);                  // 2\r
1084         gp2x_text_out15(tl_x, (y+=10), "Enable sound               %s", soundvol?"ON":"OFF");\r
1085         gp2x_text_out15(tl_x, (y+=10), "Sound Rate:           %5iHz", Settings.sound_rate);             // 4\r
1086         gp2x_text_out15(tl_x, (y+=10), "Force Region:              %s",\r
1087                 Settings.region_force == 2 ? "PAL" : Settings.region_force == 1 ? "NTSC" : "OFF");      // 5\r
1088         gp2x_text_out15(tl_x, (y+=10), "Turbo rate                 %iHz", (Settings.turbo_rate_add*60/2) >> 24);\r
1089         gp2x_text_out15(tl_x, (y+=10), "Confirm savestate          %s", strssconfirm);                  // 7\r
1090         gp2x_text_out15(tl_x, (y+=10), "Save slot                  %i", CurrentState);\r
1091         gp2x_text_out15(tl_x, (y+=10), "Faster RAM timings         %s", Settings.ramtimings?"ON":"OFF");\r
1092         gp2x_text_out15(tl_x, (y+=10), "squidgehack (now %s %s",   mms, Settings.mmuhack?"ON":"OFF");   // 10\r
1093         gp2x_text_out15(tl_x, (y+=10), "Gamma correction           %i.%02i", Settings.gamma / 100, Settings.gamma%100);\r
1094         gp2x_text_out15(tl_x, (y+=10), "GP2X CPU clock             %iMhz", Settings.cpuclock);          // 12\r
1095         gp2x_text_out15(tl_x, (y+=10), "[FCE Ultra options]");\r
1096         gp2x_text_out15(tl_x, (y+=10), "Save cfg as default");\r
1097         if (fceugi)\r
1098                 gp2x_text_out15(tl_x, (y+=10), "Save cfg for current game only");\r
1099 \r
1100         // draw cursor\r
1101         gp2x_text_out15(tl_x - 16, tl_y + menu_sel*10, ">");\r
1102 \r
1103         gp2x_fceu_darken_text_bg();\r
1104         gp2x_video_flip();\r
1105 }\r
1106 \r
1107 static int sndrate_prevnext(int rate, int dir)\r
1108 {\r
1109         int i, rates[] = { 8000, 11025, 16000, 22050, 44100 };\r
1110 \r
1111         for (i = 0; i < 5; i++)\r
1112                 if (rates[i] == rate) break;\r
1113 \r
1114         i += dir ? 1 : -1;\r
1115         if (i > 4) return dir ? 44100 : 22050;\r
1116         if (i < 0) return dir ? 11025 : 8000;\r
1117         return rates[i];\r
1118 }\r
1119 \r
1120 static void config_commit(void)\r
1121 {\r
1122         gp2x_cpuclock_gamma_update();\r
1123         if (Settings.region_force)\r
1124                 FCEUI_SetVidSystem(Settings.region_force - 1);\r
1125 }\r
1126 \r
1127 static int menu_loop_options(void)\r
1128 {\r
1129         static int menu_sel = 0;\r
1130         int menu_sel_max = 14;\r
1131         unsigned long inp = 0;\r
1132 \r
1133         if (fceugi) menu_sel_max++;\r
1134 \r
1135         for(;;)\r
1136         {\r
1137                 draw_menu_options(menu_sel);\r
1138                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
1139                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
1140                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
1141                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
1142                         switch (menu_sel) {\r
1143                                 case  1: Settings.showfps    = !Settings.showfps; break;\r
1144                                 case  3: soundvol = soundvol ? 0 : 100; break;\r
1145                                 case  9: Settings.ramtimings = !Settings.ramtimings; break;\r
1146                                 case 10: Settings.mmuhack    = !Settings.mmuhack; break;\r
1147                                 case 13: fcemenu_loop_options(); break;\r
1148                                 case 14: // done (update and write)\r
1149                                         config_commit();\r
1150                                         SaveConfig(NULL);\r
1151                                         return 1;\r
1152                                 case 15: // done (update and write for current game)\r
1153                                         config_commit();\r
1154                                         if (lastLoadedGameName[0])\r
1155                                                 SaveConfig(lastLoadedGameName);\r
1156                                         return 1;\r
1157                         }\r
1158                 }\r
1159                 if(inp & (GP2X_X|GP2X_A)) {\r
1160                         config_commit();\r
1161                         return 0;  // done (update, no write)\r
1162                 }\r
1163                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
1164                         switch (menu_sel) {\r
1165                                 case  0: int_incdec(&Settings.scaling,   (inp & GP2X_LEFT) ? -1 : 1,  0,  3); break;\r
1166                                 case  2: int_incdec(&Settings.frameskip, (inp & GP2X_LEFT) ? -1 : 1, -1, 32); break;\r
1167                                 case  4:\r
1168                                         Settings.sound_rate = sndrate_prevnext(Settings.sound_rate, inp & GP2X_RIGHT);\r
1169                                         InitSound();\r
1170                                         break;\r
1171                                 case  5: int_incdec(&Settings.region_force,   (inp & GP2X_LEFT) ? -1 : 1, 0, 2); break;\r
1172                                 case  6: {\r
1173                                         int hz = Settings.turbo_rate_add*60/2 >> 24;\r
1174                                         int_incdec(&hz, (inp & GP2X_LEFT) ? -1 : 1, 1, 30);\r
1175                                         Settings.turbo_rate_add = (hz*2 << 24) / 60 + 1;\r
1176                                         break;\r
1177                                 }\r
1178                                 case  7: int_incdec(&Settings.sstate_confirm, (inp & GP2X_LEFT) ? -1 : 1, 0, 3); break;\r
1179                                 case  8: int_incdec(&CurrentState,            (inp & GP2X_LEFT) ? -1 : 1, 0, 9); break;\r
1180                                 case 11: int_incdec(&Settings.gamma,          (inp & GP2X_LEFT) ? -1 : 1, 0, 300); break;\r
1181                                 case 12:\r
1182                                         while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
1183                                                 Settings.cpuclock += (inp & GP2X_LEFT) ? -1 : 1;\r
1184                                                 if (Settings.cpuclock < 0) Settings.cpuclock = 0; // 0 ~ do not change\r
1185                                                 draw_menu_options(menu_sel);\r
1186                                                 usleep(50*1000);\r
1187                                         }\r
1188                                         break;\r
1189                         }\r
1190                 }\r
1191         }\r
1192 }\r
1193 \r
1194 // -------------- credits --------------\r
1195 \r
1196 static void draw_menu_credits(void)\r
1197 {\r
1198         char vstr[32];\r
1199 \r
1200         //int tl_x = 15, tl_y = 70;\r
1201         gp2x_fceu_copy_bg();\r
1202 \r
1203         sprintf(vstr, "GPFCE v" GP2X_PORT_VERSION " rev%i", GP2X_PORT_REV);\r
1204         gp2x_text_out15(20,  30, vstr);\r
1205         gp2x_text_out15(20,  40, "(c) notaz, 2007");\r
1206 \r
1207         gp2x_text_out15(20,  70, "Based on FCE Ultra versions");\r
1208         gp2x_text_out15(20,  80, "0.81 and 0.98.1x");\r
1209 \r
1210         gp2x_text_out15(20, 110, "         - Credits - ");\r
1211         gp2x_text_out15(20, 130, "Bero: FCE");\r
1212         gp2x_text_out15(20, 140, "Xodnizel: FCE Ultra");\r
1213         gp2x_text_out15(20, 150, "zzhu8192: original port");\r
1214         gp2x_text_out15(20, 160, "rlyeh: minimal lib");\r
1215         gp2x_text_out15(20, 170, "Hermes, theoddbot, god_at_hell:");\r
1216         gp2x_text_out15(20, 180, "  cpuctrl, gamma libs");\r
1217         gp2x_text_out15(20, 190, "Squidge: squidgehack");\r
1218 \r
1219         gp2x_fceu_darken_text_bg();\r
1220         gp2x_video_flip();\r
1221 }\r
1222 \r
1223 \r
1224 // -------------- root menu --------------\r
1225 \r
1226 static void draw_menu_root(int menu_sel)\r
1227 {\r
1228         int tl_x = 30, tl_y = 126, y;\r
1229         gp2x_fceu_copy_bg();\r
1230 \r
1231         y = tl_y;\r
1232         if (fceugi) {\r
1233                 gp2x_text_out15(tl_x, y,       "Resume game");\r
1234                 gp2x_text_out15(tl_x, (y+=10), "Save State");\r
1235                 gp2x_text_out15(tl_x, (y+=10), "Load State");\r
1236                 gp2x_text_out15(tl_x, (y+=10), "Reset game");\r
1237         } else {\r
1238                 y += 30;\r
1239         }\r
1240         gp2x_text_out15(tl_x, (y+=10), "Load new ROM");\r
1241         gp2x_text_out15(tl_x, (y+=10), "Options");\r
1242         gp2x_text_out15(tl_x, (y+=10), "Controls");\r
1243         gp2x_text_out15(tl_x, (y+=10), "Credits");\r
1244         gp2x_text_out15(tl_x, (y+=10), "Exit");\r
1245 \r
1246         if (cheats)\r
1247                 gp2x_text_out15(tl_x, (y+=10), "Cheats");\r
1248 \r
1249         // draw cursor\r
1250         gp2x_text_out15(tl_x - 16, tl_y + menu_sel*10, ">");\r
1251 \r
1252         gp2x_fceu_darken_text_bg();\r
1253         gp2x_fceu_darken_reset();\r
1254 \r
1255         // error / version\r
1256         if (menuErrorMsg[0]) gp2x_text_out15(1, 229, menuErrorMsg);\r
1257         else {\r
1258                 char vstr[16];\r
1259                 sprintf(vstr, "v" GP2X_PORT_VERSION " r%i", GP2X_PORT_REV);\r
1260                 gp2x_text_out15(320-strlen(vstr)*8-1, 228, vstr);\r
1261         }\r
1262         gp2x_fceu_darken_text_bg();\r
1263         gp2x_video_flip();\r
1264 }\r
1265 \r
1266 \r
1267 static int menu_loop_root(void)\r
1268 {\r
1269         int ret, menu_sel_max = 8, menu_sel_min = 4;\r
1270         static int menu_sel = 4;\r
1271         unsigned long inp = 0;\r
1272 \r
1273         if (fceugi) menu_sel_min = 0;\r
1274         if (cheats) menu_sel_max = 9;\r
1275         if (menu_sel < menu_sel_min || menu_sel > menu_sel_max)\r
1276                 menu_sel = menu_sel_min;\r
1277 \r
1278         /* make sure action buttons are not pressed on entering menu */\r
1279         draw_menu_root(menu_sel);\r
1280         while (gp2x_joystick_read(1) & (GP2X_B|GP2X_X|GP2X_SELECT)) usleep(50*1000);\r
1281 \r
1282         for (;;)\r
1283         {\r
1284                 draw_menu_root(menu_sel);\r
1285                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
1286                 if(inp & GP2X_UP  )  { menu_sel--; if (menu_sel < menu_sel_min) menu_sel = menu_sel_max; }\r
1287                 if(inp & GP2X_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = menu_sel_min; }\r
1288                 if(inp &(GP2X_SELECT|GP2X_X)){\r
1289                         if (fceugi) {\r
1290                                 while (gp2x_joystick_read(1) & GP2X_X) usleep(50*1000); // wait until X is released\r
1291                                 Exit = 0;\r
1292                                 return 0;\r
1293                         }\r
1294                 }\r
1295                 if(inp & GP2X_B   )  {\r
1296                         switch (menu_sel) {\r
1297                                 case 0: // resume game\r
1298                                         if (fceugi) {\r
1299                                                 while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1300                                                 Exit = 0;\r
1301                                                 return 0;\r
1302                                         }\r
1303                                         break;\r
1304                                 case 1: // save state\r
1305                                         if (fceugi) {\r
1306                                                 /*if(savestate_menu_loop(0))\r
1307                                                         continue;*/\r
1308                                                 FCEUI_SaveState();\r
1309                                                 Exit = 0;\r
1310                                                 while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1311                                                 return 0;\r
1312                                         }\r
1313                                         break;\r
1314                                 case 2: // load state\r
1315                                         if (fceugi) {\r
1316                                                 /*if(savestate_menu_loop(1))\r
1317                                                         continue;*/\r
1318                                                 FCEUI_LoadState();\r
1319                                                 Exit = 0;\r
1320                                                 while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1321                                                 return 0;\r
1322                                         }\r
1323                                         break;\r
1324                                 case 3: // reset game\r
1325                                         if (fceugi) {\r
1326                                                 FCEU_DoSimpleCommand(FCEUNPCMD_RESET);\r
1327                                                 Exit = 0;\r
1328                                                 return 0;\r
1329                                         }\r
1330                                         break;\r
1331                                 case 4: // select rom\r
1332                                 {\r
1333                                         FILE *tstf;\r
1334                                         char *selfname;\r
1335 \r
1336                                         if ( (tstf = fopen(lastLoadedGameName, "rb")) )\r
1337                                         {\r
1338                                                 fclose(tstf);\r
1339                                                 strncpy(path_buffer, lastLoadedGameName, sizeof(path_buffer));\r
1340                                                 path_buffer[sizeof(path_buffer)-1] = 0;\r
1341                                         }\r
1342                                         else\r
1343                                         {\r
1344                                                 getcwd(path_buffer, PATH_MAX);\r
1345                                         }\r
1346 \r
1347                                         selfname = filesel_loop(path_buffer, lastLoadedGameName);\r
1348                                         if (selfname) {\r
1349                                                 printf("selected file: %s\n", selfname);\r
1350                                                 while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1351                                                 return 2;\r
1352                                         }\r
1353                                         break;\r
1354                                 }\r
1355                                 case 5: // options\r
1356                                         ret = menu_loop_options();\r
1357                                         if (ret == 1) continue; // status update\r
1358                                         break;\r
1359                                 case 6: // controls\r
1360                                         kc_sel_loop();\r
1361                                         break;\r
1362                                 case 7: // credits\r
1363                                         draw_menu_credits();\r
1364                                         usleep(500*1000);\r
1365                                         inp = wait_for_input(GP2X_B|GP2X_X);\r
1366                                         break;\r
1367                                 case 8: // exit\r
1368                                         return 1;\r
1369                                 case 9: // patches/gg\r
1370                                         patches_menu_loop();\r
1371                                         break;\r
1372                         }\r
1373                 }\r
1374                 menuErrorMsg[0] = 0; // clear error msg\r
1375         }\r
1376 }\r
1377 \r
1378 \r
1379 extern unsigned short gp2x_palette16[256];\r
1380 \r
1381 static void menu_prepare_bg(void)\r
1382 {\r
1383         menu_bg = malloc(320*240*2);\r
1384         if (menu_bg == NULL) return;\r
1385 \r
1386         if (fceugi)\r
1387         {\r
1388                 /* raw emu frame should now be at gp2x_screen */\r
1389                 soft_scale((char *)gp2x_screen + 32, gp2x_palette16, srendline, erendline-srendline);\r
1390                 if (srendline)\r
1391                         memset32((int *)((char *)gp2x_screen + 32), 0, srendline*320*2/4);\r
1392                 memcpy(menu_bg, gp2x_screen + 32, 320*240*2);\r
1393         }\r
1394         else\r
1395         {\r
1396                 memset32((int *)menu_bg, 0, 320*240*2/4);\r
1397                 readpng(menu_bg, "background.png");\r
1398         }\r
1399 }\r
1400 \r
1401 static void menu_gfx_prepare(void)\r
1402 {\r
1403         menu_prepare_bg();\r
1404 \r
1405         // switch bpp\r
1406         gp2x_video_changemode(16);\r
1407         gp2x_video_set_offs(0);\r
1408         gp2x_video_RGB_setscaling(0, 320, 240);\r
1409         gp2x_video_flip();\r
1410 }\r
1411 \r
1412 \r
1413 int gp2x_menu_do(void)\r
1414 {\r
1415         int ret;\r
1416 \r
1417         menu_gfx_prepare();\r
1418 \r
1419         ret = menu_loop_root();\r
1420 \r
1421         if (menu_bg) free(menu_bg);\r
1422         menu_bg = NULL;\r
1423         menuErrorMsg[0] = 0;\r
1424 \r
1425         return ret;\r
1426 }\r
1427 \r
1428 \r