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 "asmutils.h"\r
  19 #include "version.h"\r
  20 \r
  21 #include <Pico/PicoInt.h>\r
  22 #include <Pico/Patch.h>\r
  23 #include <zlib/zlib.h>\r
  24 \r
  25 #ifndef _DIRENT_HAVE_D_TYPE\r
  26 #error "need d_type for file browser\r
  27 #endif\r
  28 \r
  29 extern char *actionNames[];\r
  30 extern char romFileName[PATH_MAX];\r
  31 extern char *rom_data;\r
  32 extern int  mmuhack_status;\r
  33 extern int  state_slot;\r
  34 extern int  config_slot, config_slot_current;\r
  35 \r
  36 static char *gp2xKeyNames[] = {\r
  37         "UP",    "???",    "LEFT", "???",  "DOWN", "???", "RIGHT",    "???",\r
  38         "START", "SELECT", "L",    "R",    "A",    "B",   "X",        "Y",\r
  39         "???",   "???",    "???",  "???",  "???",  "???", "VOL DOWN", "VOL UP",\r
  40         "???",   "???",    "???",  "PUSH", "???",  "???", "???",      "???"\r
  41 };\r
  42 \r
  43 char menuErrorMsg[40] = {0, };\r
  44 \r
  45 \r
  46 static void gp2x_text(unsigned char *screen, int x, int y, const char *text, int color)\r
  47 {\r
  48         int i,l;\r
  49 \r
  50         screen = screen + x + y*320;\r
  51 \r
  52         for (i = 0; i < strlen(text); i++)\r
  53         {\r
  54                 for (l=0;l<8;l++)\r
  55                 {\r
  56                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=color;\r
  57                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=color;\r
  58                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=color;\r
  59                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=color;\r
  60                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=color;\r
  61                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=color;\r
  62                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=color;\r
  63                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=color;\r
  64                 }\r
  65                 screen += 8;\r
  66         }\r
  67 }\r
  68 \r
  69 // draws white text to current bbp15 screen\r
  70 void gp2x_text_out15(int x, int y, const char *text)\r
  71 {\r
  72         int i,l;\r
  73         unsigned short *screen = gp2x_screen;\r
  74 \r
  75         screen = screen + x + y*320;\r
  76 \r
  77         for (i = 0; i < strlen(text); i++)\r
  78         {\r
  79                 for (l=0;l<8;l++)\r
  80                 {\r
  81                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=0xffff;\r
  82                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=0xffff;\r
  83                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=0xffff;\r
  84                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=0xffff;\r
  85                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=0xffff;\r
  86                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=0xffff;\r
  87                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=0xffff;\r
  88                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=0xffff;\r
  89                 }\r
  90                 screen += 8;\r
  91         }\r
  92 }\r
  93 \r
  94 \r
  95 void gp2x_text_out8(int x, int y, const char *texto, ...)\r
  96 {\r
  97         va_list args;\r
  98         char    buffer[512];\r
  99 \r
 100         va_start(args,texto);\r
 101         vsprintf(buffer,texto,args);\r
 102         va_end(args);\r
 103 \r
 104         gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
 105 }\r
 106 \r
 107 \r
 108 void gp2x_text_out8_2(int x, int y, const char *texto, int color)\r
 109 {\r
 110         gp2x_text(gp2x_screen, x, y, texto, color);\r
 111 }\r
 112 \r
 113 void gp2x_text_out8_lim(int x, int y, const char *texto, int max)\r
 114 {\r
 115         char    buffer[320/8+1];\r
 116 \r
 117         strncpy(buffer, texto, 320/8);\r
 118         if (max > 320/8) max = 320/8;\r
 119         if (max < 0) max = 0;\r
 120         buffer[max] = 0;\r
 121 \r
 122         gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
 123 }\r
 124 \r
 125 static void gp2x_smalltext8(int x, int y, const char *texto)\r
 126 {\r
 127         int i;\r
 128         unsigned char *src, *dst;\r
 129 \r
 130         for (i = 0;; i++, x += 6)\r
 131         {\r
 132                 unsigned char c = (unsigned char) texto[i];\r
 133                 int h = 8;\r
 134 \r
 135                 if (!c) break;\r
 136 \r
 137                 src = fontdata6x8[c];\r
 138                 dst = (unsigned char *)gp2x_screen + x + y*320;\r
 139 \r
 140                 while (h--)\r
 141                 {\r
 142                         int w = 0x20;\r
 143                         while (w)\r
 144                         {\r
 145                                 if( *src & w ) *dst = 0xf0;\r
 146                                 dst++;\r
 147                                 w>>=1;\r
 148                         }\r
 149                         src++;\r
 150 \r
 151                         dst += 320-6;\r
 152                 }\r
 153         }\r
 154 }\r
 155 \r
 156 static void gp2x_smalltext8_lim(int x, int y, const char *texto, int max)\r
 157 {\r
 158         char    buffer[320/6+1];\r
 159 \r
 160         strncpy(buffer, texto, 320/6);\r
 161         if (max > 320/6) max = 320/6;\r
 162         if (max < 0) max = 0;\r
 163         buffer[max] = 0;\r
 164 \r
 165         gp2x_smalltext8(x, y, buffer);\r
 166 }\r
 167 \r
 168 \r
 169 typedef enum\r
 170 {\r
 171         MB_NONE = 1,            /* no auto processing */\r
 172         MB_ONOFF,               /* ON/OFF setting */\r
 173         MB_RANGE,               /* [min-max] setting */\r
 174 } menu_behavior;\r
 175 \r
 176 typedef enum\r
 177 {\r
 178         MA_NONE = 1,\r
 179         MA_MAIN_RESUME_GAME,\r
 180         MA_MAIN_SAVE_STATE,\r
 181         MA_MAIN_LOAD_STATE,\r
 182         MA_MAIN_RESET_GAME,\r
 183         MA_MAIN_LOAD_ROM,\r
 184         MA_MAIN_OPTIONS,\r
 185         MA_MAIN_CONTROLS,\r
 186         MA_MAIN_CREDITS,\r
 187         MA_MAIN_PATCHES,\r
 188         MA_MAIN_EXIT,\r
 189         MA_OPT_RENDERER,\r
 190         MA_OPT_SCALING,\r
 191         MA_OPT_ACC_TIMING,\r
 192         MA_OPT_ACC_SPRITES,\r
 193         MA_OPT_SHOW_FPS,\r
 194         MA_OPT_FRAMESKIP,\r
 195         MA_OPT_ENABLE_SOUND,\r
 196         MA_OPT_SOUND_QUALITY,\r
 197         MA_OPT_ARM940_SOUND,\r
 198         MA_OPT_6BUTTON_PAD,\r
 199         MA_OPT_REGION,\r
 200         MA_OPT_SRAM_STATES,\r
 201         MA_OPT_CONFIRM_STATES,\r
 202         MA_OPT_SAVE_SLOT,\r
 203         MA_OPT_CPU_CLOCKS,\r
 204         MA_OPT_SCD_OPTS,\r
 205         MA_OPT_ADV_OPTS,\r
 206         MA_OPT_SAVECFG,\r
 207         MA_OPT_SAVECFG_GAME,\r
 208         MA_OPT_LOADCFG,\r
 209         MA_OPT2_GAMMA,\r
 210         MA_OPT2_A_SN_GAMMA,\r
 211         MA_OPT2_VSYNC,\r
 212         MA_OPT2_ENABLE_Z80,\r
 213         MA_OPT2_ENABLE_YM2612,\r
 214         MA_OPT2_ENABLE_SN76496,\r
 215         MA_OPT2_GZIP_STATES,\r
 216         MA_OPT2_NO_LAST_ROM,\r
 217         MA_OPT2_RAMTIMINGS,\r
 218         MA_OPT2_SQUIDGEHACK,\r
 219         MA_OPT2_DONE,\r
 220         MA_CDOPT_TESTBIOS_USA,\r
 221         MA_CDOPT_TESTBIOS_EUR,\r
 222         MA_CDOPT_TESTBIOS_JAP,\r
 223         MA_CDOPT_LEDS,\r
 224         MA_CDOPT_CDDA,\r
 225         MA_CDOPT_PCM,\r
 226         MA_CDOPT_READAHEAD,\r
 227         MA_CDOPT_SAVERAM,\r
 228         MA_CDOPT_SCALEROT_CHIP,\r
 229         MA_CDOPT_BETTER_SYNC,\r
 230         MA_CDOPT_DONE,\r
 231 } menu_id;\r
 232 \r
 233 typedef struct\r
 234 {\r
 235         char *name;\r
 236         menu_behavior beh;\r
 237         menu_id id;\r
 238         void *var;              /* for on-off settings */\r
 239         int mask;\r
 240         signed char min;        /* for ranged integer settings, to be sign-extended */\r
 241         signed char max;\r
 242         char enabled;\r
 243 } menu_entry;\r
 244 \r
 245 static int me_id2offset(const menu_entry *entries, int count, menu_id id)\r
 246 {\r
 247         int i;\r
 248         for (i = 0; i < count; i++)\r
 249         {\r
 250                 if (entries[i].id == id) return i;\r
 251         }\r
 252 \r
 253         printf("%s: id %i not found\n", __FUNCTION__, id);\r
 254         return 0;\r
 255 }\r
 256 \r
 257 static void me_enable(menu_entry *entries, int count, menu_id id, int enable)\r
 258 {\r
 259         int i = me_id2offset(entries, count, id);\r
 260         entries[i].enabled = enable;\r
 261 }\r
 262 \r
 263 static int me_count_enabled(const menu_entry *entries, int count)\r
 264 {\r
 265         int i, ret = 0;\r
 266 \r
 267         for (i = 0; i < count; i++)\r
 268         {\r
 269                 if (entries[i].enabled) ret++;\r
 270         }\r
 271 \r
 272         return ret;\r
 273 }\r
 274 \r
 275 static menu_id me_index2id(const menu_entry *entries, int count, int index)\r
 276 {\r
 277         int i;\r
 278 \r
 279         for (i = 0; i < count; i++)\r
 280         {\r
 281                 if (entries[i].enabled)\r
 282                 {\r
 283                         if (index == 0) break;\r
 284                         index--;\r
 285                 }\r
 286         }\r
 287         if (i >= count) i = count - 1;\r
 288         return entries[i].id;\r
 289 }\r
 290 \r
 291 typedef void (me_draw_custom_f)(const menu_entry *entry, int x, int y, void *param);\r
 292 \r
 293 static void me_draw(const menu_entry *entries, int count, int x, int y, me_draw_custom_f *cust_draw, void *param)\r
 294 {\r
 295         int i, y1 = y;\r
 296 \r
 297         for (i = 0; i < count; i++)\r
 298         {\r
 299                 if (!entries[i].enabled) continue;\r
 300                 if (entries[i].name == NULL)\r
 301                 {\r
 302                         if (cust_draw != NULL)\r
 303                                 cust_draw(&entries[i], x, y1, param);\r
 304                         y1 += 10;\r
 305                         continue;\r
 306                 }\r
 307                 gp2x_text_out8(x, y1, entries[i].name);\r
 308                 if (entries[i].beh == MB_ONOFF)\r
 309                         gp2x_text_out8(x + 27*8, y1, (*(int *)entries[i].var & entries[i].mask) ? "ON" : "OFF");\r
 310                 else if (entries[i].beh == MB_RANGE)\r
 311                         gp2x_text_out8(x + 27*8, y1, "%i", *(int *)entries[i].var);\r
 312                 y1 += 10;\r
 313         }\r
 314 }\r
 315 \r
 316 static int me_process(menu_entry *entries, int count, menu_id id, int is_next)\r
 317 {\r
 318         int i = me_id2offset(entries, count, id);\r
 319         menu_entry *entry = &entries[i];\r
 320         switch (entry->beh)\r
 321         {\r
 322                 case MB_ONOFF:\r
 323                         *(int *)entry->var ^= entry->mask;\r
 324                         return 1;\r
 325                 case MB_RANGE:\r
 326                         *(int *)entry->var += is_next ? 1 : -1;\r
 327                         if (*(int *)entry->var < (int)entry->min) *(int *)entry->var = (int)entry->min;\r
 328                         if (*(int *)entry->var > (int)entry->max) *(int *)entry->var = (int)entry->max;\r
 329                         return 1;\r
 330                 default:\r
 331                         return 0;\r
 332         }\r
 333 }\r
 334 \r
 335 \r
 336 \r
 337 \r
 338 static unsigned long inp_prev = 0;\r
 339 static int inp_prevjoy = 0;\r
 340 \r
 341 static unsigned long wait_for_input(unsigned long interesting)\r
 342 {\r
 343         unsigned long ret;\r
 344         static int repeats = 0, wait = 50*1000;\r
 345         int release = 0, i;\r
 346 \r
 347         if (repeats == 2 || repeats == 4) wait /= 2;\r
 348         if (repeats == 6) wait = 15 * 1000;\r
 349 \r
 350         for (i = 0; i < 6 && inp_prev == gp2x_joystick_read(1); i++) {\r
 351                 if (i == 0) repeats++;\r
 352                 if (wait >= 30*1000) usleep(wait); // usleep sleeps for ~30ms minimum\r
 353                 else spend_cycles(wait * currentConfig.CPUclock);\r
 354         }\r
 355 \r
 356         while ( !((ret = gp2x_joystick_read(1)) & interesting) ) {\r
 357                 usleep(50000);\r
 358                 release = 1;\r
 359         }\r
 360 \r
 361         if (release || ret != inp_prev) {\r
 362                 repeats = 0;\r
 363                 wait = 50*1000;\r
 364         }\r
 365         inp_prev = ret;\r
 366         inp_prevjoy = 0;\r
 367 \r
 368         // we don't need diagonals in menus\r
 369         if ((ret&GP2X_UP)   && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 370         if ((ret&GP2X_UP)   && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 371         if ((ret&GP2X_DOWN) && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
 372         if ((ret&GP2X_DOWN) && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
 373 \r
 374         return ret;\r
 375 }\r
 376 \r
 377 static unsigned long input2_read(unsigned long interesting, int *joy)\r
 378 {\r
 379         unsigned long ret;\r
 380         int i;\r
 381 \r
 382         do\r
 383         {\r
 384                 *joy = 0;\r
 385                 if ((ret = gp2x_joystick_read(0) & interesting)) break;\r
 386                 gp2x_usbjoy_update();\r
 387                 for (i = 0; i < num_of_joys; i++) {\r
 388                         ret = gp2x_usbjoy_check2(i);\r
 389                         if (ret) { *joy = i + 1; break; }\r
 390                 }\r
 391                 if (ret) break;\r
 392         }\r
 393         while(0);\r
 394 \r
 395         return ret;\r
 396 }\r
 397 \r
 398 // similar to wait_for_input(), but returns joy num\r
 399 static unsigned long wait_for_input_usbjoy(unsigned long interesting, int *joy)\r
 400 {\r
 401         unsigned long ret;\r
 402         const int wait = 300*1000;\r
 403         int i;\r
 404 \r
 405         if (inp_prevjoy == 0) inp_prev &= interesting;\r
 406         for (i = 0; i < 6; i++) {\r
 407                 ret = input2_read(interesting, joy);\r
 408                 if (*joy != inp_prevjoy || ret != inp_prev) break;\r
 409                 usleep(wait/6);\r
 410         }\r
 411 \r
 412         while ( !(ret = input2_read(interesting, joy)) ) {\r
 413                 usleep(50000);\r
 414         }\r
 415 \r
 416         inp_prev = ret;\r
 417         inp_prevjoy = *joy;\r
 418 \r
 419         return ret;\r
 420 }\r
 421 \r
 422 \r
 423 \r
 424 // -------------- ROM selector --------------\r
 425 \r
 426 static void draw_dirlist(char *curdir, struct dirent **namelist, int n, int sel)\r
 427 {\r
 428         int start, i, pos;\r
 429 \r
 430         start = 12 - sel;\r
 431         n--; // exclude current dir (".")\r
 432 \r
 433         //memset(gp2x_screen, 0, 320*240);\r
 434         gp2x_pd_clone_buffer2();\r
 435 \r
 436         if(start - 2 >= 0)\r
 437                 gp2x_smalltext8_lim(14, (start - 2)*10, curdir, 53-2);\r
 438         for (i = 0; i < n; i++) {\r
 439                 pos = start + i;\r
 440                 if (pos < 0)  continue;\r
 441                 if (pos > 23) break;\r
 442                 if (namelist[i+1]->d_type == DT_DIR) {\r
 443                         gp2x_smalltext8_lim(14,   pos*10, "/", 1);\r
 444                         gp2x_smalltext8_lim(14+6, pos*10, namelist[i+1]->d_name, 53-3);\r
 445                 } else {\r
 446                         gp2x_smalltext8_lim(14,   pos*10, namelist[i+1]->d_name, 53-2);\r
 447                 }\r
 448         }\r
 449         gp2x_text_out8(5, 120, ">");\r
 450         gp2x_video_flip2();\r
 451 }\r
 452 \r
 453 static int scandir_cmp(const void *p1, const void *p2)\r
 454 {\r
 455         struct dirent **d1 = (struct dirent **)p1, **d2 = (struct dirent **)p2;\r
 456         if ((*d1)->d_type == (*d2)->d_type) return alphasort(d1, d2);\r
 457         if ((*d1)->d_type == DT_DIR) return -1; // put before\r
 458         if ((*d2)->d_type == DT_DIR) return  1;\r
 459         return alphasort(d1, d2);\r
 460 }\r
 461 \r
 462 static char *filter_exts[] = {\r
 463         ".mp3", ".MP3", ".srm", ".brm", "s.gz", ".mds", "bcfg", ".txt", ".htm", "html",\r
 464         ".jpg", ".gpe", ".cue"\r
 465 };\r
 466 \r
 467 static int scandir_filter(const struct dirent *ent)\r
 468 {\r
 469         const char *p;\r
 470         int i;\r
 471 \r
 472         if (ent == NULL || ent->d_name == NULL) return 0;\r
 473         if (strlen(ent->d_name) < 5) return 1;\r
 474 \r
 475         p = ent->d_name + strlen(ent->d_name) - 4;\r
 476 \r
 477         for (i = 0; i < sizeof(filter_exts)/sizeof(filter_exts[0]); i++)\r
 478         {\r
 479                 if (strcmp(p, filter_exts[i]) == 0) return 0;\r
 480         }\r
 481 \r
 482         return 1;\r
 483 }\r
 484 \r
 485 static char *romsel_loop(char *curr_path)\r
 486 {\r
 487         struct dirent **namelist;\r
 488         DIR *dir;\r
 489         int n, sel = 0;\r
 490         unsigned long inp = 0;\r
 491         char *ret = NULL, *fname = NULL;\r
 492 \r
 493         // is this a dir or a full path?\r
 494         if ((dir = opendir(curr_path))) {\r
 495                 closedir(dir);\r
 496         } else {\r
 497                 char *p;\r
 498                 for (p = curr_path + strlen(curr_path) - 1; p > curr_path && *p != '/'; p--);\r
 499                 *p = 0;\r
 500                 fname = p+1;\r
 501         }\r
 502 \r
 503         n = scandir(curr_path, &namelist, scandir_filter, scandir_cmp);\r
 504         if (n < 0) {\r
 505                 // try root\r
 506                 n = scandir("/", &namelist, scandir_filter, scandir_cmp);\r
 507                 if (n < 0) {\r
 508                         // oops, we failed\r
 509                         printf("dir: "); printf(curr_path); printf("\n");\r
 510                         perror("scandir");\r
 511                         return NULL;\r
 512                 }\r
 513         }\r
 514 \r
 515         // try to find sel\r
 516         if (fname != NULL) {\r
 517                 int i;\r
 518                 for (i = 1; i < n; i++) {\r
 519                         if (strcmp(namelist[i]->d_name, fname) == 0) {\r
 520                                 sel = i - 1;\r
 521                                 break;\r
 522                         }\r
 523                 }\r
 524         }\r
 525 \r
 526         for (;;)\r
 527         {\r
 528                 draw_dirlist(curr_path, namelist, n, sel);\r
 529                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 530                 if(inp & GP2X_UP  )  { sel--;   if (sel < 0)   sel = n-2; }\r
 531                 if(inp & GP2X_DOWN)  { sel++;   if (sel > n-2) sel = 0; }\r
 532                 if(inp & GP2X_LEFT)  { sel-=10; if (sel < 0)   sel = 0; }\r
 533                 if(inp & GP2X_L)     { sel-=24; if (sel < 0)   sel = 0; }\r
 534                 if(inp & GP2X_RIGHT) { sel+=10; if (sel > n-2) sel = n-2; }\r
 535                 if(inp & GP2X_R)     { sel+=24; if (sel > n-2) sel = n-2; }\r
 536                 if(inp & GP2X_B)     { // enter dir/select\r
 537                         again:\r
 538                         if (namelist[sel+1]->d_type == DT_REG) {\r
 539                                 strcpy(romFileName, curr_path);\r
 540                                 strcat(romFileName, "/");\r
 541                                 strcat(romFileName, namelist[sel+1]->d_name);\r
 542                                 ret = romFileName;\r
 543                                 break;\r
 544                         } else if (namelist[sel+1]->d_type == DT_DIR) {\r
 545                                 int newlen = strlen(curr_path) + strlen(namelist[sel+1]->d_name) + 2;\r
 546                                 char *p, *newdir = malloc(newlen);\r
 547                                 if (strcmp(namelist[sel+1]->d_name, "..") == 0) {\r
 548                                         char *start = curr_path;\r
 549                                         p = start + strlen(start) - 1;\r
 550                                         while (*p == '/' && p > start) p--;\r
 551                                         while (*p != '/' && p > start) p--;\r
 552                                         if (p <= start) strcpy(newdir, "/");\r
 553                                         else { strncpy(newdir, start, p-start); newdir[p-start] = 0; }\r
 554                                 } else {\r
 555                                         strcpy(newdir, curr_path);\r
 556                                         p = newdir + strlen(newdir) - 1;\r
 557                                         while (*p == '/' && p >= newdir) *p-- = 0;\r
 558                                         strcat(newdir, "/");\r
 559                                         strcat(newdir, namelist[sel+1]->d_name);\r
 560                                 }\r
 561                                 ret = romsel_loop(newdir);\r
 562                                 free(newdir);\r
 563                                 break;\r
 564                         } else {\r
 565                                 // unknown file type, happens on NTFS mounts. Try to guess.\r
 566                                 FILE *tstf; int tmp;\r
 567                                 strcpy(romFileName, curr_path);\r
 568                                 strcat(romFileName, "/");\r
 569                                 strcat(romFileName, namelist[sel+1]->d_name);\r
 570                                 tstf = fopen(romFileName, "rb");\r
 571                                 if (tstf != NULL)\r
 572                                 {\r
 573                                         if (fread(&tmp, 1, 1, tstf) > 0 || ferror(tstf) == 0)\r
 574                                                 namelist[sel+1]->d_type = DT_REG;\r
 575                                         else    namelist[sel+1]->d_type = DT_DIR;\r
 576                                         fclose(tstf);\r
 577                                         goto again;\r
 578                                 }\r
 579                         }\r
 580                 }\r
 581                 if(inp & GP2X_X) break; // cancel\r
 582         }\r
 583 \r
 584         if (n > 0) {\r
 585                 while(n--) free(namelist[n]);\r
 586                 free(namelist);\r
 587         }\r
 588 \r
 589         return ret;\r
 590 }\r
 591 \r
 592 // ------------ debug menu ------------\r
 593 \r
 594 char *debugString(void);\r
 595 \r
 596 static void draw_debug(void)\r
 597 {\r
 598         char *p, *str = debugString();\r
 599         int len, line;\r
 600 \r
 601         gp2x_pd_clone_buffer2();\r
 602 \r
 603         p = str;\r
 604         for (line = 0; line < 24; line++)\r
 605         {\r
 606                 while (*p && *p != '\n') p++;\r
 607                 len = p - str;\r
 608                 if (len > 55) len = 55;\r
 609                 gp2x_smalltext8_lim(1, line*10, str, len);\r
 610                 if (*p == 0) break;\r
 611                 p++; str = p;\r
 612         }\r
 613         gp2x_video_flip2();\r
 614 }\r
 615 \r
 616 static void debug_menu_loop(void)\r
 617 {\r
 618         draw_debug();\r
 619         wait_for_input(GP2X_B|GP2X_X);\r
 620 }\r
 621 \r
 622 // ------------ patch/gg menu ------------\r
 623 \r
 624 static void draw_patchlist(int sel)\r
 625 {\r
 626         int start, i, pos;\r
 627 \r
 628         start = 12 - sel;\r
 629 \r
 630         gp2x_pd_clone_buffer2();\r
 631 \r
 632         for (i = 0; i < PicoPatchCount; i++) {\r
 633                 pos = start + i;\r
 634                 if (pos < 0)  continue;\r
 635                 if (pos > 23) break;\r
 636                 gp2x_smalltext8_lim(14,     pos*10, PicoPatches[i].active ? "ON " : "OFF", 3);\r
 637                 gp2x_smalltext8_lim(14+6*4, pos*10, PicoPatches[i].name, 53-6);\r
 638         }\r
 639         pos = start + i;\r
 640         if (pos < 24) gp2x_smalltext8_lim(14, pos*10, "done", 4);\r
 641 \r
 642         gp2x_text_out8(5, 120, ">");\r
 643         gp2x_video_flip2();\r
 644 }\r
 645 \r
 646 \r
 647 static void patches_menu_loop(void)\r
 648 {\r
 649         int menu_sel = 0;\r
 650         unsigned long inp = 0;\r
 651 \r
 652         for(;;)\r
 653         {\r
 654                 draw_patchlist(menu_sel);\r
 655                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
 656                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = PicoPatchCount; }\r
 657                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > PicoPatchCount) menu_sel = 0; }\r
 658                 if(inp &(GP2X_LEFT|GP2X_L))  { menu_sel-=10; if (menu_sel < 0) menu_sel = 0; }\r
 659                 if(inp &(GP2X_RIGHT|GP2X_R)) { menu_sel+=10; if (menu_sel > PicoPatchCount) menu_sel = PicoPatchCount; }\r
 660                 if(inp & GP2X_B) { // action\r
 661                         if (menu_sel < PicoPatchCount)\r
 662                                 PicoPatches[menu_sel].active = !PicoPatches[menu_sel].active;\r
 663                         else    return;\r
 664                 }\r
 665                 if(inp & GP2X_X) return;\r
 666         }\r
 667 \r
 668 }\r
 669 \r
 670 // ------------ savestate loader ------------\r
 671 \r
 672 static void menu_prepare_bg(void);\r
 673 \r
 674 static int state_slot_flags = 0;\r
 675 \r
 676 static void state_check_slots(void)\r
 677 {\r
 678         int slot;\r
 679 \r
 680         state_slot_flags = 0;\r
 681 \r
 682         for (slot = 0; slot < 10; slot++)\r
 683         {\r
 684                 if (emu_check_save_file(slot))\r
 685                 {\r
 686                         state_slot_flags |= 1 << slot;\r
 687                 }\r
 688         }\r
 689 }\r
 690 \r
 691 static void draw_savestate_bg(int slot)\r
 692 {\r
 693         struct PicoVideo tmp_pv;\r
 694         unsigned short tmp_cram[0x40];\r
 695         unsigned short tmp_vsram[0x40];\r
 696         void *tmp_vram, *file;\r
 697         char *fname;\r
 698 \r
 699         fname = emu_GetSaveFName(1, 0, slot);\r
 700         if (!fname) return;\r
 701 \r
 702         tmp_vram = malloc(sizeof(Pico.vram));\r
 703         if (tmp_vram == NULL) return;\r
 704 \r
 705         memcpy(tmp_vram, Pico.vram, sizeof(Pico.vram));\r
 706         memcpy(tmp_cram, Pico.cram, sizeof(Pico.cram));\r
 707         memcpy(tmp_vsram, Pico.vsram, sizeof(Pico.vsram));\r
 708         memcpy(&tmp_pv, &Pico.video, sizeof(Pico.video));\r
 709 \r
 710         if (strcmp(fname + strlen(fname) - 3, ".gz") == 0) {\r
 711                 file = gzopen(fname, "rb");\r
 712                 emu_set_save_cbs(1);\r
 713         } else {\r
 714                 file = fopen(fname, "rb");\r
 715                 emu_set_save_cbs(0);\r
 716         }\r
 717 \r
 718         if (file) {\r
 719                 if (PicoMCD & 1) {\r
 720                         PicoCdLoadStateGfx(file);\r
 721                 } else {\r
 722                         areaSeek(file, 0x10020, SEEK_SET);  // skip header and RAM in state file\r
 723                         areaRead(Pico.vram, 1, sizeof(Pico.vram), file);\r
 724                         areaSeek(file, 0x2000, SEEK_CUR);\r
 725                         areaRead(Pico.cram, 1, sizeof(Pico.cram), file);\r
 726                         areaRead(Pico.vsram, 1, sizeof(Pico.vsram), file);\r
 727                         areaSeek(file, 0x221a0, SEEK_SET);\r
 728                         areaRead(&Pico.video, 1, sizeof(Pico.video), file);\r
 729                 }\r
 730                 areaClose(file);\r
 731         }\r
 732 \r
 733         emu_forced_frame();\r
 734         gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);\r
 735         menu_prepare_bg();\r
 736 \r
 737         memcpy(Pico.vram, tmp_vram, sizeof(Pico.vram));\r
 738         memcpy(Pico.cram, tmp_cram, sizeof(Pico.cram));\r
 739         memcpy(Pico.vsram, tmp_vsram, sizeof(Pico.vsram));\r
 740         memcpy(&Pico.video, &tmp_pv,  sizeof(Pico.video));\r
 741         free(tmp_vram);\r
 742 }\r
 743 \r
 744 static void draw_savestate_menu(int menu_sel, int is_loading)\r
 745 {\r
 746         int tl_x = 25, tl_y = 60, y, i;\r
 747 \r
 748         if (state_slot_flags & (1 << menu_sel))\r
 749                 draw_savestate_bg(menu_sel);\r
 750         gp2x_pd_clone_buffer2();\r
 751 \r
 752         gp2x_text_out8(tl_x, 30, is_loading ? "Load state" : "Save state");\r
 753 \r
 754         /* draw all 10 slots */\r
 755         y = tl_y;\r
 756         for (i = 0; i < 10; i++, y+=10)\r
 757         {\r
 758                 gp2x_text_out8(tl_x, y, "SLOT %i (%s)", i, (state_slot_flags & (1 << i)) ? "USED" : "free");\r
 759         }\r
 760         gp2x_text_out8(tl_x, y, "back");\r
 761 \r
 762         // draw cursor\r
 763         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 764 \r
 765         gp2x_video_flip2();\r
 766 }\r
 767 \r
 768 static int savestate_menu_loop(int is_loading)\r
 769 {\r
 770         static int menu_sel = 10;\r
 771         int menu_sel_max = 10;\r
 772         unsigned long inp = 0;\r
 773 \r
 774         state_check_slots();\r
 775 \r
 776         for(;;)\r
 777         {\r
 778                 draw_savestate_menu(menu_sel, is_loading);\r
 779                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 780                 if(inp & GP2X_UP  ) {\r
 781                         do {\r
 782                                 menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max;\r
 783                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 784                 }\r
 785                 if(inp & GP2X_DOWN) {\r
 786                         do {\r
 787                                 menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0;\r
 788                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
 789                 }\r
 790                 if(inp & GP2X_B) { // save/load\r
 791                         if (menu_sel < 10) {\r
 792                                 state_slot = menu_sel;\r
 793                                 if (emu_SaveLoadGame(is_loading, 0)) {\r
 794                                         strcpy(menuErrorMsg, is_loading ? "Load failed" : "Save failed");\r
 795                                         return 1;\r
 796                                 }\r
 797                                 return 0;\r
 798                         } else  return 1;\r
 799                 }\r
 800                 if(inp & GP2X_X) return 1;\r
 801         }\r
 802 }\r
 803 \r
 804 // -------------- key config --------------\r
 805 \r
 806 static char *usb_joy_key_name(int joy, int num)\r
 807 {\r
 808         static char name[16];\r
 809         switch (num)\r
 810         {\r
 811                 case 0: sprintf(name, "Joy%i UP", joy); break;\r
 812                 case 1: sprintf(name, "Joy%i DOWN", joy); break;\r
 813                 case 2: sprintf(name, "Joy%i LEFT", joy); break;\r
 814                 case 3: sprintf(name, "Joy%i RIGHT", joy); break;\r
 815                 default:sprintf(name, "Joy%i b%i", joy, num-3); break;\r
 816         }\r
 817         return name;\r
 818 }\r
 819 \r
 820 static void draw_key_config(int curr_act, int is_p2)\r
 821 {\r
 822         char strkeys[32*5];\r
 823         int joy, i;\r
 824 \r
 825         strkeys[0] = 0;\r
 826         for (i = 0; i < 32; i++)\r
 827         {\r
 828                 if (currentConfig.KeyBinds[i] & (1 << curr_act))\r
 829                 {\r
 830                         if (curr_act < 16 && (currentConfig.KeyBinds[i] & (1 << 16)) != (is_p2 << 16)) continue;\r
 831                         if (strkeys[0]) { strcat(strkeys, " + "); strcat(strkeys, gp2xKeyNames[i]); break; }\r
 832                         else strcpy(strkeys, gp2xKeyNames[i]);\r
 833                 }\r
 834         }\r
 835         for (joy = 0; joy < num_of_joys; joy++)\r
 836         {\r
 837                 for (i = 0; i < 32; i++)\r
 838                 {\r
 839                         if (currentConfig.JoyBinds[joy][i] & (1 << curr_act))\r
 840                         {\r
 841                                 if (curr_act < 16 && (currentConfig.JoyBinds[joy][i] & (1 << 16)) != (is_p2 << 16)) continue;\r
 842                                 if (strkeys[0]) {\r
 843                                         strcat(strkeys, ", "); strcat(strkeys, usb_joy_key_name(joy + 1, i));\r
 844                                         break;\r
 845                                 }\r
 846                                 else strcpy(strkeys, usb_joy_key_name(joy + 1, i));\r
 847                         }\r
 848                 }\r
 849         }\r
 850 \r
 851         //memset(gp2x_screen, 0, 320*240);\r
 852         gp2x_pd_clone_buffer2();\r
 853         gp2x_text_out8(60, 40, "Action: %s", actionNames[curr_act]);\r
 854         gp2x_text_out8(60, 60, "Keys: %s", strkeys);\r
 855 \r
 856         gp2x_text_out8(30, 180, "Use SELECT to change action");\r
 857         gp2x_text_out8(30, 190, "Press a key to bind/unbind");\r
 858         gp2x_text_out8(30, 200, "Select \"Done\" action and");\r
 859         gp2x_text_out8(30, 210, "  press any key to finish");\r
 860         gp2x_video_flip2();\r
 861 }\r
 862 \r
 863 static void key_config_loop(int is_p2)\r
 864 {\r
 865         int curr_act = 0, joy = 0, i;\r
 866         unsigned long inp = 0;\r
 867 \r
 868         for (;;)\r
 869         {\r
 870                 draw_key_config(curr_act, is_p2);\r
 871                 inp = wait_for_input_usbjoy(CONFIGURABLE_KEYS, &joy);\r
 872                 // printf("got %08lX from joy %i\n", inp, joy);\r
 873                 if (joy == 0) {\r
 874                         if (inp & GP2X_SELECT) {\r
 875                                 curr_act++;\r
 876                                 while (!actionNames[curr_act] && curr_act < 32) curr_act++;\r
 877                                 if (curr_act > 31) curr_act = 0;\r
 878                         }\r
 879                         inp &= CONFIGURABLE_KEYS;\r
 880                         inp &= ~GP2X_SELECT;\r
 881                 }\r
 882                 if (curr_act == 31 && inp) break;\r
 883                 if (joy == 0) {\r
 884                         for (i = 0; i < 32; i++)\r
 885                                 if (inp & (1 << i)) {\r
 886                                         currentConfig.KeyBinds[i] ^= (1 << curr_act);\r
 887                                         if (is_p2) currentConfig.KeyBinds[i] |=  (1 << 16); // player 2 flag\r
 888                                         else       currentConfig.KeyBinds[i] &= ~(1 << 16);\r
 889                                 }\r
 890                 } else {\r
 891                         for (i = 0; i < 32; i++)\r
 892                                 if (inp & (1 << i)) {\r
 893                                         currentConfig.JoyBinds[joy-1][i] ^= (1 << curr_act);\r
 894                                         if (is_p2) currentConfig.JoyBinds[joy-1][i] |=  (1 << 16);\r
 895                                         else       currentConfig.JoyBinds[joy-1][i] &= ~(1 << 16);\r
 896                                 }\r
 897                 }\r
 898         }\r
 899 }\r
 900 \r
 901 static void draw_kc_sel(int menu_sel)\r
 902 {\r
 903         int tl_x = 25+40, tl_y = 60, y, i;\r
 904         char joyname[36];\r
 905 \r
 906         y = tl_y;\r
 907         //memset(gp2x_screen, 0, 320*240);\r
 908         gp2x_pd_clone_buffer2();\r
 909         gp2x_text_out8(tl_x, y,       "Player 1");\r
 910         gp2x_text_out8(tl_x, (y+=10), "Player 2");\r
 911         gp2x_text_out8(tl_x, (y+=10), "Done");\r
 912 \r
 913         // draw cursor\r
 914         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
 915 \r
 916         tl_x = 25;\r
 917         gp2x_text_out8(tl_x, (y=110), "USB joys detected:");\r
 918         if (num_of_joys > 0) {\r
 919                 for (i = 0; i < num_of_joys; i++) {\r
 920                         strncpy(joyname, joy_name(joys[i]), 33); joyname[33] = 0;\r
 921                         gp2x_text_out8(tl_x, (y+=10), "%i: %s", i+1, joyname);\r
 922                 }\r
 923         } else {\r
 924                 gp2x_text_out8(tl_x, (y+=10), "none");\r
 925         }\r
 926 \r
 927 \r
 928         gp2x_video_flip2();\r
 929 }\r
 930 \r
 931 static void kc_sel_loop(void)\r
 932 {\r
 933         int menu_sel = 2, menu_sel_max = 2;\r
 934         unsigned long inp = 0;\r
 935 \r
 936         for(;;)\r
 937         {\r
 938                 draw_kc_sel(menu_sel);\r
 939                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
 940                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
 941                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
 942                 if(inp & GP2X_B) {\r
 943                         switch (menu_sel) {\r
 944                                 case 0: key_config_loop(0); return;\r
 945                                 case 1: key_config_loop(1); return;\r
 946                                 default: return;\r
 947                         }\r
 948                 }\r
 949                 if(inp & GP2X_X) return;\r
 950         }\r
 951 }\r
 952 \r
 953 \r
 954 \r
 955 // --------- sega/mega cd options ----------\r
 956 \r
 957 menu_entry cdopt_entries[] =\r
 958 {\r
 959         { NULL,                        MB_NONE,  MA_CDOPT_TESTBIOS_USA, NULL, 0, 0, 0, 1 },\r
 960         { NULL,                        MB_NONE,  MA_CDOPT_TESTBIOS_EUR, NULL, 0, 0, 0, 1 },\r
 961         { NULL,                        MB_NONE,  MA_CDOPT_TESTBIOS_JAP, NULL, 0, 0, 0, 1 },\r
 962         { "CD LEDs",                   MB_ONOFF, MA_CDOPT_LEDS,         &currentConfig.EmuOpt,  0x0400, 0, 0, 1 },\r
 963         { "CDDA audio (using mp3s)",   MB_ONOFF, MA_CDOPT_CDDA,         &currentConfig.PicoOpt, 0x0800, 0, 0, 1 },\r
 964         { "PCM audio",                 MB_ONOFF, MA_CDOPT_PCM,          &currentConfig.PicoOpt, 0x0400, 0, 0, 1 },\r
 965         { NULL,                        MB_NONE,  MA_CDOPT_READAHEAD,    NULL, 0, 0, 0, 1 },\r
 966         { "SaveRAM cart",              MB_ONOFF, MA_CDOPT_SAVERAM,      &currentConfig.PicoOpt, 0x8000, 0, 0, 1 },\r
 967         { "Scale/Rot. fx (slow)",      MB_ONOFF, MA_CDOPT_SCALEROT_CHIP,&currentConfig.PicoOpt, 0x1000, 0, 0, 1 },\r
 968         { "Better sync (slow)",        MB_ONOFF, MA_CDOPT_BETTER_SYNC,  &currentConfig.PicoOpt, 0x2000, 0, 0, 1 },\r
 969         { "done",                      MB_NONE,  MA_CDOPT_DONE,         NULL, 0, 0, 0, 1 },\r
 970 };\r
 971 \r
 972 #define CDOPT_ENTRY_COUNT (sizeof(cdopt_entries) / sizeof(cdopt_entries[0]))\r
 973 \r
 974 \r
 975 struct bios_names_t\r
 976 {\r
 977         char us[32], eu[32], jp[32];\r
 978 };\r
 979 \r
 980 static void menu_cdopt_cust_draw(const menu_entry *entry, int x, int y, void *param)\r
 981 {\r
 982         struct bios_names_t *bios_names = param;\r
 983         char ra_buff[16];\r
 984 \r
 985         switch (entry->id)\r
 986         {\r
 987                 case MA_CDOPT_TESTBIOS_USA: gp2x_text_out8(x, y, "USA BIOS:     %s", bios_names->us); break;\r
 988                 case MA_CDOPT_TESTBIOS_EUR: gp2x_text_out8(x, y, "EUR BIOS:     %s", bios_names->eu); break;\r
 989                 case MA_CDOPT_TESTBIOS_JAP: gp2x_text_out8(x, y, "JAP BIOS:     %s", bios_names->jp); break;\r
 990                 case MA_CDOPT_READAHEAD:\r
 991                         if (PicoCDBuffers > 1) sprintf(ra_buff, "%5iK", PicoCDBuffers * 2);\r
 992                         else strcpy(ra_buff, "     OFF");\r
 993                         gp2x_text_out8(x, y, "ReadAhead buffer      %s", ra_buff);\r
 994                         break;\r
 995                 default:break;\r
 996         }\r
 997 }\r
 998 \r
 999 static void draw_cd_menu_options(int menu_sel, struct bios_names_t *bios_names)\r
1000 {\r
1001         int tl_x = 25, tl_y = 60;\r
1002         menu_id selected_id;\r
1003         char ra_buff[16];\r
1004 \r
1005         if (PicoCDBuffers > 1) sprintf(ra_buff, "%5iK", PicoCDBuffers * 2);\r
1006         else strcpy(ra_buff, "     OFF");\r
1007 \r
1008         gp2x_pd_clone_buffer2();\r
1009 \r
1010         me_draw(cdopt_entries, CDOPT_ENTRY_COUNT, tl_x, tl_y, menu_cdopt_cust_draw, bios_names);\r
1011 \r
1012         // draw cursor\r
1013         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
1014 \r
1015         selected_id = me_index2id(cdopt_entries, CDOPT_ENTRY_COUNT, menu_sel);\r
1016         if ((selected_id == MA_CDOPT_TESTBIOS_USA && strcmp(bios_names->us, "NOT FOUND")) ||\r
1017                 (selected_id == MA_CDOPT_TESTBIOS_EUR && strcmp(bios_names->eu, "NOT FOUND")) ||\r
1018                 (selected_id == MA_CDOPT_TESTBIOS_JAP && strcmp(bios_names->jp, "NOT FOUND")))\r
1019                         gp2x_text_out8(tl_x, 220, "Press start to test selected BIOS");\r
1020 \r
1021         gp2x_video_flip2();\r
1022 }\r
1023 \r
1024 static void cd_menu_loop_options(void)\r
1025 {\r
1026         static int menu_sel = 0;\r
1027         int menu_sel_max = 10;\r
1028         unsigned long inp = 0;\r
1029         struct bios_names_t bios_names;\r
1030         menu_id selected_id;\r
1031         char *bios, *p;\r
1032 \r
1033         if (find_bios(4, &bios)) { // US\r
1034                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
1035                 strncpy(bios_names.us, p, sizeof(bios_names.us)); bios_names.us[sizeof(bios_names.us)-1] = 0;\r
1036         } else  strcpy(bios_names.us, "NOT FOUND");\r
1037 \r
1038         if (find_bios(8, &bios)) { // EU\r
1039                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
1040                 strncpy(bios_names.eu, p, sizeof(bios_names.eu)); bios_names.eu[sizeof(bios_names.eu)-1] = 0;\r
1041         } else  strcpy(bios_names.eu, "NOT FOUND");\r
1042 \r
1043         if (find_bios(1, &bios)) { // JP\r
1044                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
1045                 strncpy(bios_names.jp, p, sizeof(bios_names.jp)); bios_names.jp[sizeof(bios_names.jp)-1] = 0;\r
1046         } else  strcpy(bios_names.jp, "NOT FOUND");\r
1047 \r
1048         for(;;)\r
1049         {\r
1050                 draw_cd_menu_options(menu_sel, &bios_names);\r
1051                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A|GP2X_START);\r
1052                 if (inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
1053                 if (inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
1054                 selected_id = me_index2id(cdopt_entries, CDOPT_ENTRY_COUNT, menu_sel);\r
1055                 if (inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
1056                         if (!me_process(cdopt_entries, CDOPT_ENTRY_COUNT, selected_id, (inp&GP2X_RIGHT) ? 1 : 0) &&\r
1057                             selected_id == MA_CDOPT_READAHEAD) {\r
1058                                 if (inp & GP2X_LEFT) {\r
1059                                         PicoCDBuffers >>= 1;\r
1060                                         if (PicoCDBuffers < 64) PicoCDBuffers = 0;\r
1061                                 } else {\r
1062                                         if (PicoCDBuffers < 64) PicoCDBuffers = 64;\r
1063                                         else PicoCDBuffers <<= 1;\r
1064                                         if (PicoCDBuffers > 8*1024) PicoCDBuffers = 8*1024; // 16M\r
1065                                 }\r
1066                         }\r
1067                 }\r
1068                 if (inp & GP2X_B) { // toggleable options\r
1069                         if (!me_process(cdopt_entries, CDOPT_ENTRY_COUNT, selected_id, 1) &&\r
1070                             selected_id == MA_CDOPT_DONE) {\r
1071                                 return;\r
1072                         }\r
1073                 }\r
1074                 if (inp & GP2X_START) { // BIOS testers\r
1075                         switch (selected_id) {\r
1076                                 case MA_CDOPT_TESTBIOS_USA:\r
1077                                         if (find_bios(4, &bios)) { // test US\r
1078                                                 strcpy(romFileName, bios);\r
1079                                                 engineState = PGS_ReloadRom;\r
1080                                                 return;\r
1081                                         }\r
1082                                         break;\r
1083                                 case MA_CDOPT_TESTBIOS_EUR:\r
1084                                         if (find_bios(8, &bios)) { // test EU\r
1085                                                 strcpy(romFileName, bios);\r
1086                                                 engineState = PGS_ReloadRom;\r
1087                                                 return;\r
1088                                         }\r
1089                                         break;\r
1090                                 case MA_CDOPT_TESTBIOS_JAP:\r
1091                                         if (find_bios(1, &bios)) { // test JP\r
1092                                                 strcpy(romFileName, bios);\r
1093                                                 engineState = PGS_ReloadRom;\r
1094                                                 return;\r
1095                                         }\r
1096                                         break;\r
1097                                 default:\r
1098                                         break;\r
1099                         }\r
1100                 }\r
1101                 if (inp & (GP2X_X|GP2X_A)) return;\r
1102         }\r
1103 }\r
1104 \r
1105 \r
1106 // --------- advanced options ----------\r
1107 \r
1108 menu_entry opt2_entries[] =\r
1109 {\r
1110         { NULL,                        MB_NONE,  MA_OPT2_GAMMA,         NULL, 0, 0, 0, 1 },\r
1111         { "A_SN's gamma curve",        MB_ONOFF, MA_OPT2_A_SN_GAMMA,    &currentConfig.EmuOpt, 0x1000, 0, 0, 1 },\r
1112         { "Perfecf vsync",             MB_ONOFF, MA_OPT2_VSYNC,         &currentConfig.EmuOpt, 0x2000, 0, 0, 1 },\r
1113         { "Emulate Z80",               MB_ONOFF, MA_OPT2_ENABLE_Z80,    &currentConfig.PicoOpt,0x0004, 0, 0, 1 },\r
1114         { "Emulate YM2612 (FM)",       MB_ONOFF, MA_OPT2_ENABLE_YM2612, &currentConfig.PicoOpt,0x0001, 0, 0, 1 },\r
1115         { "Emulate SN76496 (PSG)",     MB_ONOFF, MA_OPT2_ENABLE_SN76496,&currentConfig.PicoOpt,0x0002, 0, 0, 1 },\r
1116         { "gzip savestates",           MB_ONOFF, MA_OPT2_GZIP_STATES,   &currentConfig.EmuOpt, 0x0008, 0, 0, 1 },\r
1117         { "Don't save last used ROM",  MB_ONOFF, MA_OPT2_NO_LAST_ROM,   &currentConfig.EmuOpt, 0x0020, 0, 0, 1 },\r
1118         { "needs restart:",            MB_NONE,  MA_NONE,               NULL, 0, 0, 0, 1 },\r
1119         { "craigix's RAM timings",     MB_ONOFF, MA_OPT2_RAMTIMINGS,    &currentConfig.EmuOpt, 0x0100, 0, 0, 1 },\r
1120         { NULL,                        MB_ONOFF, MA_OPT2_SQUIDGEHACK,   &currentConfig.EmuOpt, 0x0010, 0, 0, 1 },\r
1121         { "done",                      MB_NONE,  MA_OPT2_DONE,          NULL, 0, 0, 0, 1 },\r
1122 };\r
1123 \r
1124 #define OPT2_ENTRY_COUNT (sizeof(opt2_entries) / sizeof(opt2_entries[0]))\r
1125 \r
1126 static void menu_opt2_cust_draw(const menu_entry *entry, int x, int y, void *param)\r
1127 {\r
1128         if (entry->id == MA_OPT2_GAMMA)\r
1129                 gp2x_text_out8(x, y, "Gamma correction           %i.%02i", currentConfig.gamma / 100, currentConfig.gamma%100);\r
1130         else if (entry->id == MA_OPT2_SQUIDGEHACK)\r
1131                 gp2x_text_out8(x, y, "squidgehack (now %s %s", mmuhack_status ? "active)  " : "inactive)",\r
1132                         (currentConfig.EmuOpt&0x0010)?"ON":"OFF");\r
1133 }\r
1134 \r
1135 \r
1136 static void draw_amenu_options(int menu_sel)\r
1137 {\r
1138         int tl_x = 25, tl_y = 50;\r
1139 \r
1140         gp2x_pd_clone_buffer2();\r
1141 \r
1142         me_draw(opt2_entries, OPT2_ENTRY_COUNT, tl_x, tl_y, menu_opt2_cust_draw, NULL);\r
1143 \r
1144         // draw cursor\r
1145         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
1146 \r
1147         gp2x_video_flip2();\r
1148 }\r
1149 \r
1150 static void amenu_loop_options(void)\r
1151 {\r
1152         static int menu_sel = 0;\r
1153         int menu_sel_max;\r
1154         unsigned long inp = 0;\r
1155         menu_id selected_id;\r
1156 \r
1157         menu_sel_max = me_count_enabled(opt2_entries, OPT2_ENTRY_COUNT) - 1;\r
1158 \r
1159         for(;;)\r
1160         {\r
1161                 draw_amenu_options(menu_sel);\r
1162                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
1163                 if (inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
1164                 if (inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
1165                 selected_id = me_index2id(opt2_entries, OPT2_ENTRY_COUNT, menu_sel);\r
1166                 if (inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
1167                         if (!me_process(opt2_entries, OPT2_ENTRY_COUNT, selected_id, (inp&GP2X_RIGHT) ? 1 : 0) &&\r
1168                             selected_id == MA_OPT2_GAMMA) {\r
1169                                 while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
1170                                         currentConfig.gamma += (inp & GP2X_LEFT) ? -1 : 1;\r
1171                                         if (currentConfig.gamma <   1) currentConfig.gamma =   1;\r
1172                                         if (currentConfig.gamma > 300) currentConfig.gamma = 300;\r
1173                                         draw_amenu_options(menu_sel);\r
1174                                         usleep(18*1000);\r
1175                                 }\r
1176                         }\r
1177                 }\r
1178                 if (inp & GP2X_B) { // toggleable options\r
1179                         if (!me_process(opt2_entries, OPT2_ENTRY_COUNT, selected_id, 1) &&\r
1180                             selected_id == MA_OPT2_DONE) {\r
1181                                 return;\r
1182                         }\r
1183                 }\r
1184                 if (inp & (GP2X_X|GP2X_A)) return;\r
1185         }\r
1186 }\r
1187 \r
1188 // -------------- options --------------\r
1189 \r
1190 \r
1191 menu_entry opt_entries[] =\r
1192 {\r
1193         { NULL,                        MB_NONE,  MA_OPT_RENDERER,      NULL, 0, 0, 0, 1 },\r
1194         { NULL,                        MB_RANGE, MA_OPT_SCALING,       &currentConfig.scaling, 0, 0, 3, 1 },\r
1195         { "Accurate timing (slower)",  MB_ONOFF, MA_OPT_ACC_TIMING,    &currentConfig.PicoOpt, 0x040, 0, 0, 1 },\r
1196         { "Accurate sprites (slower)", MB_ONOFF, MA_OPT_ACC_SPRITES,   &currentConfig.PicoOpt, 0x080, 0, 0, 1 },\r
1197         { "Show FPS",                  MB_ONOFF, MA_OPT_SHOW_FPS,      &currentConfig.EmuOpt,  0x002, 0, 0, 1 },\r
1198         { NULL,                        MB_RANGE, MA_OPT_FRAMESKIP,     &currentConfig.Frameskip, 0, -1, 16, 1 },\r
1199         { "Enable sound",              MB_ONOFF, MA_OPT_ENABLE_SOUND,  &currentConfig.EmuOpt,  0x004, 0, 0, 1 },\r
1200         { NULL,                        MB_NONE,  MA_OPT_SOUND_QUALITY, NULL, 0, 0, 0, 1 },\r
1201         { "Use ARM940 core for sound", MB_ONOFF, MA_OPT_ARM940_SOUND,  &currentConfig.PicoOpt, 0x200, 0, 0, 1 },\r
1202         { "6 button pad",              MB_ONOFF, MA_OPT_6BUTTON_PAD,   &currentConfig.PicoOpt, 0x020, 0, 0, 1 },\r
1203         { NULL,                        MB_NONE,  MA_OPT_REGION,        NULL, 0, 0, 0, 1 },\r
1204         { "Use SRAM/BRAM savestates",  MB_ONOFF, MA_OPT_SRAM_STATES,   &currentConfig.EmuOpt,  0x001, 0, 0, 1 },\r
1205         { NULL,                        MB_NONE,  MA_OPT_CONFIRM_STATES,NULL, 0, 0, 0, 1 },\r
1206         { "Save slot",                 MB_RANGE, MA_OPT_SAVE_SLOT,     &state_slot, 0, 0, 9, 1 },\r
1207         { NULL,                        MB_NONE,  MA_OPT_CPU_CLOCKS,    NULL, 0, 0, 0, 1 },\r
1208         { "[Sega/Mega CD options]",    MB_NONE,  MA_OPT_SCD_OPTS,      NULL, 0, 0, 0, 1 },\r
1209         { "[advanced options]",        MB_NONE,  MA_OPT_ADV_OPTS,      NULL, 0, 0, 0, 1 },\r
1210         { NULL,                        MB_NONE,  MA_OPT_SAVECFG,       NULL, 0, 0, 0, 1 },\r
1211         { "Save cfg for current game only",MB_NONE,MA_OPT_SAVECFG_GAME,NULL, 0, 0, 0, 1 },\r
1212         { NULL,                        MB_NONE,  MA_OPT_LOADCFG,       NULL, 0, 0, 0, 1 },\r
1213 };\r
1214 \r
1215 #define OPT_ENTRY_COUNT (sizeof(opt_entries) / sizeof(opt_entries[0]))\r
1216 \r
1217 \r
1218 static const char *region_name(unsigned int code)\r
1219 {\r
1220         static const char *names[] = { "Auto", "      Japan NTSC", "      Japan PAL", "      USA", "      Europe" };\r
1221         static const char *names_short[] = { "", " JP", " JP", " US", " EU" };\r
1222         int u, i = 0;\r
1223         if (code) {\r
1224                 code <<= 1;\r
1225                 while((code >>= 1)) i++;\r
1226                 if (i > 4) return "unknown";\r
1227                 return names[i];\r
1228         } else {\r
1229                 static char name[24];\r
1230                 strcpy(name, "Auto:");\r
1231                 for (u = 0; u < 3; u++) {\r
1232                         i = 0; code = ((PicoAutoRgnOrder >> u*4) & 0xf) << 1;\r
1233                         while((code >>= 1)) i++;\r
1234                         strcat(name, names_short[i]);\r
1235                 }\r
1236                 return name;\r
1237         }\r
1238 }\r
1239 \r
1240 \r
1241 static void menu_opt_cust_draw(const menu_entry *entry, int x, int y, void *param)\r
1242 {\r
1243         char *str, str24[24];\r
1244 \r
1245         switch (entry->id)\r
1246         {\r
1247                 case MA_OPT_RENDERER:\r
1248                         if (currentConfig.PicoOpt&0x10)\r
1249                                 str = " 8bit fast";\r
1250                         else if (currentConfig.EmuOpt&0x80)\r
1251                                 str = "16bit accurate";\r
1252                         else\r
1253                                 str = " 8bit accurate";\r
1254                         gp2x_text_out8(x, y, "Renderer:            %s", str);\r
1255                         break;\r
1256                 case MA_OPT_SCALING:\r
1257                         switch (currentConfig.scaling) {\r
1258                                 default: str = "            OFF";   break;\r
1259                                 case 1:  str = "hw horizontal";     break;\r
1260                                 case 2:  str = "hw horiz. + vert."; break;\r
1261                                 case 3:  str = "sw horizontal";     break;\r
1262                         }\r
1263                         gp2x_text_out8(x, y, "Scaling:       %s", str);\r
1264                         break;\r
1265                 case MA_OPT_FRAMESKIP:\r
1266                         if (currentConfig.Frameskip < 0)\r
1267                              strcpy(str24, "Auto");\r
1268                         else sprintf(str24, "%i", currentConfig.Frameskip);\r
1269                         gp2x_text_out8(x, y, "Frameskip                  %s", str24);\r
1270                         break;\r
1271                 case MA_OPT_SOUND_QUALITY:\r
1272                         str = (currentConfig.PicoOpt&0x08)?"stereo":"mono";\r
1273                         gp2x_text_out8(x, y, "Sound Quality:     %5iHz %s", currentConfig.PsndRate, str);\r
1274                         break;\r
1275                 case MA_OPT_REGION:\r
1276                         gp2x_text_out8(x, y, "Region:              %s", region_name(currentConfig.PicoRegion));\r
1277                         break;\r
1278                 case MA_OPT_CONFIRM_STATES:\r
1279                         switch ((currentConfig.EmuOpt >> 9) & 5) {\r
1280                                 default: str = "OFF";    break;\r
1281                                 case 1:  str = "writes"; break;\r
1282                                 case 4:  str = "loads";  break;\r
1283                                 case 5:  str = "both";   break;\r
1284                         }\r
1285                         gp2x_text_out8(x, y, "Confirm savestate          %s", str);\r
1286                         break;\r
1287                 case MA_OPT_CPU_CLOCKS:\r
1288                         gp2x_text_out8(x, y, "GP2X CPU clocks            %iMhz", currentConfig.CPUclock);\r
1289                         break;\r
1290                 case MA_OPT_SAVECFG:\r
1291                         str24[0] = 0;\r
1292                         if (config_slot != 0) sprintf(str24, " (profile: %i)", config_slot);\r
1293                         gp2x_text_out8(x, y, "Save cfg as default%s", str24);\r
1294                         break;\r
1295                 case MA_OPT_LOADCFG:\r
1296                         gp2x_text_out8(x, y, "Load cfg from profile %i", config_slot);\r
1297                         break;\r
1298                 default:\r
1299                         printf("%s: unimplemented (%i)\n", __FUNCTION__, entry->id);\r
1300                         break;\r
1301         }\r
1302 }\r
1303 \r
1304 \r
1305 \r
1306 static void draw_menu_options(int menu_sel)\r
1307 {\r
1308         int tl_x = 25, tl_y = 32;\r
1309 \r
1310         gp2x_pd_clone_buffer2();\r
1311 \r
1312         me_draw(opt_entries, OPT_ENTRY_COUNT, tl_x, tl_y, menu_opt_cust_draw, NULL);\r
1313 \r
1314         // draw cursor\r
1315         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
1316 \r
1317         gp2x_video_flip2();\r
1318 }\r
1319 \r
1320 static int sndrate_prevnext(int rate, int dir)\r
1321 {\r
1322         int i, rates[] = { 8000, 11025, 16000, 22050, 44100 };\r
1323 \r
1324         for (i = 0; i < 5; i++)\r
1325                 if (rates[i] == rate) break;\r
1326 \r
1327         i += dir ? 1 : -1;\r
1328         if (i > 4) return dir ? 44100 : 22050;\r
1329         if (i < 0) return dir ? 11025 : 8000;\r
1330         return rates[i];\r
1331 }\r
1332 \r
1333 static void region_prevnext(int right)\r
1334 {\r
1335         // jp_ntsc=1, jp_pal=2, usa=4, eu=8\r
1336         static int rgn_orders[] = { 0x148, 0x184, 0x814, 0x418, 0x841, 0x481 };\r
1337         int i;\r
1338         if (right) {\r
1339                 if (!currentConfig.PicoRegion) {\r
1340                         for (i = 0; i < 6; i++)\r
1341                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
1342                         if (i < 5) PicoAutoRgnOrder = rgn_orders[i+1];\r
1343                         else currentConfig.PicoRegion=1;\r
1344                 }\r
1345                 else currentConfig.PicoRegion<<=1;\r
1346                 if (currentConfig.PicoRegion > 8) currentConfig.PicoRegion = 8;\r
1347         } else {\r
1348                 if (!currentConfig.PicoRegion) {\r
1349                         for (i = 0; i < 6; i++)\r
1350                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
1351                         if (i > 0) PicoAutoRgnOrder = rgn_orders[i-1];\r
1352                 }\r
1353                 else currentConfig.PicoRegion>>=1;\r
1354         }\r
1355 }\r
1356 \r
1357 static void menu_options_save(void)\r
1358 {\r
1359         PicoOpt = currentConfig.PicoOpt;\r
1360         PsndRate = currentConfig.PsndRate;\r
1361         PicoRegionOverride = currentConfig.PicoRegion;\r
1362         if (PicoOpt & 0x20) {\r
1363                 actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r
1364                 actionNames[10] = "X"; actionNames[11] = "MODE";\r
1365         } else {\r
1366                 actionNames[8] = actionNames[9] = actionNames[10] = actionNames[11] = 0;\r
1367         }\r
1368         scaling_update();\r
1369 }\r
1370 \r
1371 static int menu_loop_options(void)\r
1372 {\r
1373         static int menu_sel = 0;\r
1374         int menu_sel_max, ret;\r
1375         unsigned long inp = 0;\r
1376         menu_id selected_id;\r
1377 \r
1378         currentConfig.PicoOpt = PicoOpt;\r
1379         currentConfig.PsndRate = PsndRate;\r
1380         currentConfig.PicoRegion = PicoRegionOverride;\r
1381 \r
1382         me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_SAVECFG_GAME, rom_data != NULL);\r
1383         me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_LOADCFG, config_slot != config_slot_current);\r
1384         menu_sel_max = me_count_enabled(opt_entries, OPT_ENTRY_COUNT) - 1;\r
1385 \r
1386         while (1)\r
1387         {\r
1388                 draw_menu_options(menu_sel);\r
1389                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
1390                 if (inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
1391                 if (inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
1392                 selected_id = me_index2id(opt_entries, OPT_ENTRY_COUNT, menu_sel);\r
1393                 if (inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
1394                         if (!me_process(opt_entries, OPT_ENTRY_COUNT, selected_id, (inp&GP2X_RIGHT) ? 1 : 0)) {\r
1395                                 switch (selected_id) {\r
1396                                         case MA_OPT_RENDERER:\r
1397                                                 if (inp & GP2X_LEFT) {\r
1398                                                         if      (  currentConfig.PicoOpt&0x10) currentConfig.PicoOpt&= ~0x10;\r
1399                                                         else if (!(currentConfig.EmuOpt &0x80))currentConfig.EmuOpt |=  0x80;\r
1400                                                         else if (  currentConfig.EmuOpt &0x80) break;\r
1401                                                 } else {\r
1402                                                         if      (  currentConfig.PicoOpt&0x10) break;\r
1403                                                         else if (!(currentConfig.EmuOpt &0x80))currentConfig.PicoOpt|=  0x10;\r
1404                                                         else if (  currentConfig.EmuOpt &0x80) currentConfig.EmuOpt &= ~0x80;\r
1405                                                 }\r
1406                                                 break;\r
1407                                         case MA_OPT_SOUND_QUALITY:\r
1408                                                 if ((inp & GP2X_RIGHT) && currentConfig.PsndRate == 44100 && !(currentConfig.PicoOpt&0x08)) {\r
1409                                                         currentConfig.PsndRate = 8000;  currentConfig.PicoOpt|= 0x08;\r
1410                                                 } else if ((inp & GP2X_LEFT) && currentConfig.PsndRate == 8000 && (currentConfig.PicoOpt&0x08)) {\r
1411                                                         currentConfig.PsndRate = 44100; currentConfig.PicoOpt&=~0x08;\r
1412                                                 } else currentConfig.PsndRate = sndrate_prevnext(currentConfig.PsndRate, inp & GP2X_RIGHT);\r
1413                                                 break;\r
1414                                         case MA_OPT_REGION:\r
1415                                                 region_prevnext(inp & GP2X_RIGHT);\r
1416                                                 break;\r
1417                                         case MA_OPT_CONFIRM_STATES: {\r
1418                                                          int n = ((currentConfig.EmuOpt>>9)&1) | ((currentConfig.EmuOpt>>10)&2);\r
1419                                                          n += (inp & GP2X_LEFT) ? -1 : 1;\r
1420                                                          if (n < 0) n = 0; else if (n > 3) n = 3;\r
1421                                                          n |= n << 1; n &= ~2;\r
1422                                                          currentConfig.EmuOpt &= ~0xa00;\r
1423                                                          currentConfig.EmuOpt |= n << 9;\r
1424                                                          break;\r
1425                                                  }\r
1426                                         case MA_OPT_SAVE_SLOT:\r
1427                                                  if (inp & GP2X_RIGHT) {\r
1428                                                          state_slot++; if (state_slot > 9) state_slot = 0;\r
1429                                                  } else {state_slot--; if (state_slot < 0) state_slot = 9;\r
1430                                                  }\r
1431                                                  break;\r
1432                                         case MA_OPT_CPU_CLOCKS:\r
1433                                                  while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
1434                                                          currentConfig.CPUclock += (inp & GP2X_LEFT) ? -1 : 1;\r
1435                                                          if (currentConfig.CPUclock < 1) currentConfig.CPUclock = 1;\r
1436                                                          draw_menu_options(menu_sel);\r
1437                                                          usleep(50*1000);\r
1438                                                  }\r
1439                                                  break;\r
1440                                         case MA_OPT_SAVECFG:\r
1441                                         case MA_OPT_SAVECFG_GAME:\r
1442                                         case MA_OPT_LOADCFG:\r
1443                                                  config_slot += (inp&GP2X_RIGHT) ? 1 : -1;\r
1444                                                  if (config_slot > 9) config_slot = 0;\r
1445                                                  if (config_slot < 0) config_slot = 9;\r
1446                                                  me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_LOADCFG, config_slot != config_slot_current);\r
1447                                                  menu_sel_max = me_count_enabled(opt_entries, OPT_ENTRY_COUNT) - 1;\r
1448                                                  if (menu_sel > menu_sel_max) menu_sel = menu_sel_max;\r
1449                                                  break;\r
1450                                         default:\r
1451                                                 //printf("%s: something unknown selected (%i)\n", __FUNCTION__, selected_id);\r
1452                                                 break;\r
1453                                 }\r
1454                         }\r
1455                 }\r
1456                 if (inp & GP2X_B) {\r
1457                         if (!me_process(opt_entries, OPT_ENTRY_COUNT, selected_id, 1))\r
1458                         {\r
1459                                 switch (selected_id)\r
1460                                 {\r
1461                                         case MA_OPT_SCD_OPTS:\r
1462                                                 cd_menu_loop_options();\r
1463                                                 if (engineState == PGS_ReloadRom)\r
1464                                                         return 0; // test BIOS\r
1465                                                 break;\r
1466                                         case MA_OPT_ADV_OPTS:\r
1467                                                 amenu_loop_options();\r
1468                                                 break;\r
1469                                         case MA_OPT_SAVECFG: // done (update and write)\r
1470                                                 menu_options_save();\r
1471                                                 if (emu_WriteConfig(0)) strcpy(menuErrorMsg, "config saved");\r
1472                                                 else strcpy(menuErrorMsg, "failed to write config");\r
1473                                                 return 1;\r
1474                                         case MA_OPT_SAVECFG_GAME: // done (update and write for current game)\r
1475                                                 menu_options_save();\r
1476                                                 if (emu_WriteConfig(1)) strcpy(menuErrorMsg, "config saved");\r
1477                                                 else strcpy(menuErrorMsg, "failed to write config");\r
1478                                                 return 1;\r
1479                                         case MA_OPT_LOADCFG:\r
1480                                                 ret = emu_ReadConfig(1);\r
1481                                                 if (!ret) ret = emu_ReadConfig(0);\r
1482                                                 if (!ret) strcpy(menuErrorMsg, "config loaded");\r
1483                                                 else      strcpy(menuErrorMsg, "failed to load config");\r
1484                                                 return 1;\r
1485                                         default:\r
1486                                                 //printf("%s: something unknown selected (%i)\n", __FUNCTION__, selected_id);\r
1487                                                 break;\r
1488                                 }\r
1489                         }\r
1490                 }\r
1491                 if(inp & (GP2X_X|GP2X_A)) {\r
1492                         menu_options_save();\r
1493                         return 0;  // done (update, no write)\r
1494                 }\r
1495         }\r
1496 }\r
1497 \r
1498 // -------------- credits --------------\r
1499 \r
1500 static void draw_menu_credits(void)\r
1501 {\r
1502         int tl_x = 15, tl_y = 70, y;\r
1503         //memset(gp2x_screen, 0, 320*240);\r
1504         gp2x_pd_clone_buffer2();\r
1505 \r
1506         gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION " (c) notaz, 2006,2007");\r
1507         y = tl_y;\r
1508         gp2x_text_out8(tl_x, y, "Credits:");\r
1509         gp2x_text_out8(tl_x, (y+=10), "Dave: Cyclone 68000 core,");\r
1510         gp2x_text_out8(tl_x, (y+=10), "      base code of PicoDrive");\r
1511         gp2x_text_out8(tl_x, (y+=10), "Reesy & FluBBa: DrZ80 core");\r
1512         gp2x_text_out8(tl_x, (y+=10), "MAME devs: YM2612 and SN76496 cores");\r
1513         gp2x_text_out8(tl_x, (y+=10), "Charles MacDonald: Genesis hw docs");\r
1514         gp2x_text_out8(tl_x, (y+=10), "Stephane Dallongeville:");\r
1515         gp2x_text_out8(tl_x, (y+=10), "      opensource Gens");\r
1516         gp2x_text_out8(tl_x, (y+=10), "Haze: Genesis hw info");\r
1517         gp2x_text_out8(tl_x, (y+=10), "rlyeh and others: minimal SDK");\r
1518         gp2x_text_out8(tl_x, (y+=10), "Squidge: squidgehack");\r
1519         gp2x_text_out8(tl_x, (y+=10), "Dzz: ARM940 sample");\r
1520         gp2x_text_out8(tl_x, (y+=10), "GnoStiC / Puck2099: USB joystick");\r
1521         gp2x_text_out8(tl_x, (y+=10), "craigix: GP2X hardware");\r
1522 \r
1523         gp2x_video_flip2();\r
1524 }\r
1525 \r
1526 \r
1527 // -------------- root menu --------------\r
1528 \r
1529 menu_entry main_entries[] =\r
1530 {\r
1531         { "Resume game",        MB_NONE, MA_MAIN_RESUME_GAME, NULL, 0, 0, 0, 0 },\r
1532         { "Save State",         MB_NONE, MA_MAIN_SAVE_STATE,  NULL, 0, 0, 0, 0 },\r
1533         { "Load State",         MB_NONE, MA_MAIN_LOAD_STATE,  NULL, 0, 0, 0, 0 },\r
1534         { "Reset game",         MB_NONE, MA_MAIN_RESET_GAME,  NULL, 0, 0, 0, 0 },\r
1535         { "Load new ROM/ISO",   MB_NONE, MA_MAIN_LOAD_ROM,    NULL, 0, 0, 0, 1 },\r
1536         { "Change options",     MB_NONE, MA_MAIN_OPTIONS,     NULL, 0, 0, 0, 1 },\r
1537         { "Configure controls", MB_NONE, MA_MAIN_CONTROLS,    NULL, 0, 0, 0, 1 },\r
1538         { "Credits",            MB_NONE, MA_MAIN_CREDITS,     NULL, 0, 0, 0, 1 },\r
1539         { "Patches / GameGenie",MB_NONE, MA_MAIN_PATCHES,     NULL, 0, 0, 0, 0 },\r
1540         { "Exit",               MB_NONE, MA_MAIN_EXIT,        NULL, 0, 0, 0, 1 }\r
1541 };\r
1542 \r
1543 #define MAIN_ENTRY_COUNT (sizeof(main_entries) / sizeof(main_entries[0]))\r
1544 \r
1545 static void draw_menu_root(int menu_sel)\r
1546 {\r
1547         const int tl_x = 70, tl_y = 70;\r
1548 \r
1549         gp2x_pd_clone_buffer2();\r
1550 \r
1551         gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION);\r
1552 \r
1553         me_draw(main_entries, MAIN_ENTRY_COUNT, tl_x, tl_y, NULL, NULL);\r
1554 \r
1555         // draw cursor\r
1556         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
1557         // error\r
1558         if (menuErrorMsg[0]) gp2x_text_out8(5, 226, menuErrorMsg);\r
1559         gp2x_video_flip2();\r
1560 }\r
1561 \r
1562 \r
1563 static void menu_loop_root(void)\r
1564 {\r
1565         static int menu_sel = 0;\r
1566         int ret, menu_sel_max;\r
1567         unsigned long inp = 0;\r
1568         char curr_path[PATH_MAX], *selfname;\r
1569         FILE *tstf;\r
1570 \r
1571         if ( (tstf = fopen(currentConfig.lastRomFile, "rb")) )\r
1572         {\r
1573                 fclose(tstf);\r
1574                 strcpy(curr_path, currentConfig.lastRomFile);\r
1575         }\r
1576         else\r
1577         {\r
1578                 getcwd(curr_path, PATH_MAX);\r
1579         }\r
1580 \r
1581         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_RESUME_GAME, rom_data != NULL);\r
1582         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_SAVE_STATE,  rom_data != NULL);\r
1583         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_LOAD_STATE,  rom_data != NULL);\r
1584         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_RESET_GAME,  rom_data != NULL);\r
1585         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_PATCHES,     PicoPatches != NULL);\r
1586 \r
1587         menu_sel_max = me_count_enabled(main_entries, MAIN_ENTRY_COUNT) - 1;\r
1588 \r
1589         /* make sure action buttons are not pressed on entering menu */\r
1590         draw_menu_root(menu_sel);\r
1591         while (gp2x_joystick_read(1) & (GP2X_B|GP2X_X|GP2X_SELECT)) usleep(50*1000);\r
1592 \r
1593         for (;;)\r
1594         {\r
1595                 draw_menu_root(menu_sel);\r
1596                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X|GP2X_SELECT|GP2X_L|GP2X_R);\r
1597                 if(inp & GP2X_UP  )  { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
1598                 if(inp & GP2X_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
1599                 if((inp & (GP2X_L|GP2X_R)) == (GP2X_L|GP2X_R)) debug_menu_loop();\r
1600                 if(inp &(GP2X_SELECT|GP2X_X)){\r
1601                         if (rom_data) {\r
1602                                 while (gp2x_joystick_read(1) & (GP2X_SELECT|GP2X_X)) usleep(50*1000); // wait until select is released\r
1603                                 engineState = PGS_Running;\r
1604                                 break;\r
1605                         }\r
1606                 }\r
1607                 if(inp & GP2X_B)  {\r
1608                         switch (me_index2id(main_entries, MAIN_ENTRY_COUNT, menu_sel))\r
1609                         {\r
1610                                 case MA_MAIN_RESUME_GAME:\r
1611                                         if (rom_data) {\r
1612                                                 while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1613                                                 engineState = PGS_Running;\r
1614                                                 return;\r
1615                                         }\r
1616                                         break;\r
1617                                 case MA_MAIN_SAVE_STATE:\r
1618                                         if (rom_data) {\r
1619                                                 if(savestate_menu_loop(0))\r
1620                                                         continue;\r
1621                                                 engineState = PGS_Running;\r
1622                                                 return;\r
1623                                         }\r
1624                                         break;\r
1625                                 case MA_MAIN_LOAD_STATE:\r
1626                                         if (rom_data) {\r
1627                                                 if(savestate_menu_loop(1))\r
1628                                                         continue;\r
1629                                                 engineState = PGS_Running;\r
1630                                                 return;\r
1631                                         }\r
1632                                         break;\r
1633                                 case MA_MAIN_RESET_GAME:\r
1634                                         if (rom_data) {\r
1635                                                 emu_ResetGame();\r
1636                                                 engineState = PGS_Running;\r
1637                                                 return;\r
1638                                         }\r
1639                                         break;\r
1640                                 case MA_MAIN_LOAD_ROM:\r
1641                                         selfname = romsel_loop(curr_path);\r
1642                                         if (selfname) {\r
1643                                                 printf("selected file: %s\n", selfname);\r
1644                                                 engineState = PGS_ReloadRom;\r
1645                                         }\r
1646                                         return;\r
1647                                 case MA_MAIN_OPTIONS:\r
1648                                         ret = menu_loop_options();\r
1649                                         if (ret == 1) continue; // status update\r
1650                                         if (engineState == PGS_ReloadRom)\r
1651                                                 return; // BIOS test\r
1652                                         break;\r
1653                                 case MA_MAIN_CONTROLS:\r
1654                                         kc_sel_loop();\r
1655                                         break;\r
1656                                 case MA_MAIN_CREDITS:\r
1657                                         draw_menu_credits();\r
1658                                         usleep(500*1000);\r
1659                                         inp = wait_for_input(GP2X_B|GP2X_X);\r
1660                                         break;\r
1661                                 case MA_MAIN_EXIT:\r
1662                                         engineState = PGS_Quit;\r
1663                                         return;\r
1664                                 case MA_MAIN_PATCHES:\r
1665                                         if (rom_data && PicoPatches) {\r
1666                                                 patches_menu_loop();\r
1667                                                 PicoPatchApply();\r
1668                                                 strcpy(menuErrorMsg, "Patches applied");\r
1669                                                 continue;\r
1670                                         }\r
1671                                         break;\r
1672                                 default:\r
1673                                         printf("%s: something unknown selected\n", __FUNCTION__);\r
1674                                         break;\r
1675                         }\r
1676                 }\r
1677                 menuErrorMsg[0] = 0; // clear error msg\r
1678         }\r
1679 }\r
1680 \r
1681 \r
1682 static void menu_prepare_bg(void)\r
1683 {\r
1684         extern int localPal[0x100];\r
1685         int c, i;\r
1686 \r
1687         // don't clear old palette just for fun (but make it dark)\r
1688         for (i = 0x100-1; i >= 0; i--) {\r
1689                 c = localPal[i];\r
1690                 localPal[i] = ((c >> 1) & 0x007f7f7f) - ((c >> 3) & 0x001f1f1f);\r
1691         }\r
1692         localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
1693         localPal[0xf0] = 0x00ffffff;\r
1694 \r
1695         gp2x_video_setpalette(localPal, 0x100);\r
1696 }\r
1697 \r
1698 static void menu_gfx_prepare(void)\r
1699 {\r
1700         menu_prepare_bg();\r
1701 \r
1702         // switch to 8bpp\r
1703         gp2x_video_changemode2(8);\r
1704         gp2x_video_RGB_setscaling(0, 320, 240);\r
1705         gp2x_video_flip2();\r
1706 }\r
1707 \r
1708 \r
1709 void menu_loop(void)\r
1710 {\r
1711         menu_gfx_prepare();\r
1712 \r
1713         menu_loop_root();\r
1714 \r
1715         menuErrorMsg[0] = 0;\r
1716 }\r
1717 \r
1718 \r
1719 // --------- CD tray close menu ----------\r
1720 \r
1721 static void draw_menu_tray(int menu_sel)\r
1722 {\r
1723         int tl_x = 70, tl_y = 90, y;\r
1724         memset(gp2x_screen, 0xe0, 320*240);\r
1725 \r
1726         gp2x_text_out8(tl_x, 20, "The unit is about to");\r
1727         gp2x_text_out8(tl_x, 30, "close the CD tray.");\r
1728 \r
1729         y = tl_y;\r
1730         gp2x_text_out8(tl_x, y,       "Load new CD image");\r
1731         gp2x_text_out8(tl_x, (y+=10), "Insert nothing");\r
1732 \r
1733         // draw cursor\r
1734         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
1735         // error\r
1736         if (menuErrorMsg[0]) gp2x_text_out8(5, 226, menuErrorMsg);\r
1737         gp2x_video_flip2();\r
1738 }\r
1739 \r
1740 \r
1741 int menu_loop_tray(void)\r
1742 {\r
1743         int menu_sel = 0, menu_sel_max = 1;\r
1744         unsigned long inp = 0;\r
1745         char curr_path[PATH_MAX], *selfname;\r
1746         FILE *tstf;\r
1747 \r
1748         gp2x_memset_all_buffers(0, 0xe0, 320*240);\r
1749         menu_gfx_prepare();\r
1750 \r
1751         if ( (tstf = fopen(currentConfig.lastRomFile, "rb")) )\r
1752         {\r
1753                 fclose(tstf);\r
1754                 strcpy(curr_path, currentConfig.lastRomFile);\r
1755         }\r
1756         else\r
1757         {\r
1758                 getcwd(curr_path, PATH_MAX);\r
1759         }\r
1760 \r
1761         /* make sure action buttons are not pressed on entering menu */\r
1762         draw_menu_tray(menu_sel);\r
1763         while (gp2x_joystick_read(1) & GP2X_B) usleep(50*1000);\r
1764 \r
1765         for (;;)\r
1766         {\r
1767                 draw_menu_tray(menu_sel);\r
1768                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B);\r
1769                 if(inp & GP2X_UP  )  { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
1770                 if(inp & GP2X_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
1771                 if(inp & GP2X_B   )  {\r
1772                         switch (menu_sel) {\r
1773                                 case 0: // select image\r
1774                                         selfname = romsel_loop(curr_path);\r
1775                                         if (selfname) {\r
1776                                                 int ret = -1, cd_type;\r
1777                                                 cd_type = emu_cd_check(NULL);\r
1778                                                 if (cd_type > 0)\r
1779                                                         ret = Insert_CD(romFileName, cd_type == 2);\r
1780                                                 if (ret != 0) {\r
1781                                                         sprintf(menuErrorMsg, "Load failed, invalid CD image?");\r
1782                                                         printf("%s\n", menuErrorMsg);\r
1783                                                         continue;\r
1784                                                 }\r
1785                                                 engineState = PGS_RestartRun;\r
1786                                                 return 1;\r
1787                                         }\r
1788                                         break;\r
1789                                 case 1: // insert nothing\r
1790                                         engineState = PGS_RestartRun;\r
1791                                         return 0;\r
1792                         }\r
1793                 }\r
1794                 menuErrorMsg[0] = 0; // clear error msg\r
1795         }\r
1796 }\r
1797 \r
1798 \r