psp/menu.c

   1 // (c) Copyright 2006,2007 notaz, All rights reserved.
   2 // Free for non-commercial use.
   3
   4 // For commercial use, separate licencing terms must be obtained.
   5
   6 // don't like to use loads of #ifdefs, so duplicating GP2X code
   7 // horribly instead
   8
   9 #include <string.h>
  10 #include <stdlib.h>
  11 #include <wchar.h>
  12 #include <unistd.h>
  13 #include <sys/syslimits.h> // PATH_MAX
  14
  15 #include <pspdisplay.h>
  16 #include <pspgu.h>
  17 #include <pspiofilemgr.h>
  18 #include <psputils.h>
  19
  20 #include "psp.h"
  21 #include "emu.h"
  22 #include "menu.h"
  23 #include "../common/menu.h"
  24 #include "../common/emu.h"
  25 #include "../common/readpng.h"
  26 #include "../common/lprintf.h"
  27 #include "version.h"
  28
  29 #include <Pico/PicoInt.h>
  30 #include <Pico/Patch.h>
  31 #include <zlib/zlib.h>
  32
  33
  34 #define pspKeyUnkn "???"
  35 static const char * const pspKeyNames[] = {
  36         "SELECT",   pspKeyUnkn, pspKeyUnkn, "START",    "UP",       "RIGHT",    "DOWN",     "LEFT",
  37         "L",        "R",        pspKeyUnkn, pspKeyUnkn, "TRIANGLE", "CIRCLE",   "X",        "SQUARE",
  38         "HOME",     "HOLD",     "WLAN_UP",  "REMOTE",   "VOLUP",    "VOLDOWN",  "SCREEN",   "NOTE",
  39         pspKeyUnkn, pspKeyUnkn, pspKeyUnkn, pspKeyUnkn, pspKeyUnkn, pspKeyUnkn, pspKeyUnkn, pspKeyUnkn
  40 };
  41
  42 static unsigned short bg_buffer[480*272] __attribute__((aligned(16)));
  43 #define menu_screen psp_screen
  44
  45 static void menu_darken_bg(void *dst, const void *src, int pixels, int darker);
  46 static void menu_prepare_bg(int use_game_bg, int use_fg);
  47
  48
  49 static unsigned int inp_prev = 0;
  50
  51 static unsigned long wait_for_input(unsigned int interesting)
  52 {
  53         unsigned int ret;
  54         static int repeats = 0, wait = 50;
  55         int release = 0, i;
  56
  57         if (repeats == 2 || repeats == 4) wait /= 2;
  58         if (repeats == 6) wait = 15;
  59
  60         for (i = 0; i < 6 && inp_prev == psp_pad_read(1); i++) {
  61                 if (i == 0) repeats++;
  62                 psp_msleep(wait);
  63         }
  64
  65         while ( !((ret = psp_pad_read(1)) & interesting) ) {
  66                 psp_msleep(50);
  67                 release = 1;
  68         }
  69
  70         if (release || ret != inp_prev) {
  71                 repeats = 0;
  72                 wait = 50;
  73         }
  74         inp_prev = ret;
  75
  76         // we don't need diagonals in menus
  77         if ((ret&BTN_UP)   && (ret&BTN_LEFT))  ret &= ~BTN_LEFT;
  78         if ((ret&BTN_UP)   && (ret&BTN_RIGHT)) ret &= ~BTN_RIGHT;
  79         if ((ret&BTN_DOWN) && (ret&BTN_LEFT))  ret &= ~BTN_LEFT;
  80         if ((ret&BTN_DOWN) && (ret&BTN_RIGHT)) ret &= ~BTN_RIGHT;
  81
  82         return ret;
  83 }
  84
  85 static void menu_draw_begin(void)
  86 {
  87         // short *src = (short *)bg_buffer, *dst = (short *)menu_screen;
  88         // int i;
  89
  90         // for (i = 272; i >= 0; i--, dst += 512, src += 480)
  91         //      memcpy32((int *)dst, (int *)src, 480*2/4);
  92
  93         sceGuSync(0,0); // sync with prev
  94         sceGuStart(GU_DIRECT, guCmdList);
  95         sceGuCopyImage(GU_PSM_5650, 0, 0, 480, 272, 480, bg_buffer, 0, 0, 512, menu_screen);
  96         sceGuFinish();
  97         sceGuSync(0,0);
  98 }
  99
 100
 101 static void menu_draw_end(void)
 102 {
 103         psp_video_flip(1);
 104 }
 105
 106
 107 // --------- loading ROM screen ----------
 108
 109 static void load_progress_cb(int percent)
 110 {
 111         int ln, len = percent * 480 / 100;
 112         unsigned short *dst;
 113
 114         sceDisplayWaitVblankStart();
 115
 116         dst = (unsigned short *)menu_screen + 512*20;
 117
 118         if (len > 480) len = 480;
 119         for (ln = 10; ln > 0; ln--, dst += 512)
 120                 memset(dst, 0xff, len*2);
 121 }
 122
 123 void menu_romload_prepare(const char *rom_name)
 124 {
 125         const char *p = rom_name + strlen(rom_name);
 126         while (p > rom_name && *p != '/') p--;
 127
 128         psp_video_switch_to_single();
 129         menu_draw_begin();
 130
 131         smalltext_out16(1, 1, "Loading", 0xffff);
 132         smalltext_out16_lim(1, 10, p, 0xffff, 80);
 133         PicoCartLoadProgressCB = load_progress_cb;
 134 }
 135
 136 void menu_romload_end(void)
 137 {
 138         PicoCartLoadProgressCB = NULL;
 139         smalltext_out16(1, 30, "Starting emulation...", 0xffff);
 140 }
 141
 142 // -------------- ROM selector --------------
 143
 144 // SceIoDirent
 145 #define DT_DIR FIO_SO_IFDIR
 146 #define DT_REG FIO_SO_IFREG
 147
 148 struct my_dirent
 149 {
 150         unsigned char d_type;
 151         char d_name[255];
 152 };
 153
 154 // bbbb bggg gggr rrrr
 155 static unsigned short file2color(const char *fname)
 156 {
 157         const char *ext = fname + strlen(fname) - 3;
 158         static const char *rom_exts[]   = { "zip", "bin", "smd", "gen", "iso" };
 159         static const char *other_exts[] = { "gmv", "pat" };
 160         int i;
 161
 162         if (ext < fname) ext = fname;
 163         for (i = 0; i < sizeof(rom_exts)/sizeof(rom_exts[0]); i++)
 164                 if (strcasecmp(ext, rom_exts[i]) == 0) return 0xfdf7;
 165         for (i = 0; i < sizeof(other_exts)/sizeof(other_exts[0]); i++)
 166                 if (strcasecmp(ext, other_exts[i]) == 0) return 0xaff5;
 167         return 0xffff;
 168 }
 169
 170 static void draw_dirlist(char *curdir, struct my_dirent **namelist, int n, int sel)
 171 {
 172         int start, i, pos;
 173
 174         start = 13 - sel;
 175         n--; // exclude current dir (".")
 176
 177         menu_draw_begin();
 178
 179         if (rom_data == NULL) {
 180 //              menu_darken_bg(menu_screen, menu_screen, 321*240, 0);
 181         }
 182
 183         menu_darken_bg((char *)menu_screen + 512*129*2, (char *)menu_screen + 512*129*2, 512*10, 0);
 184
 185         if (start - 2 >= 0)
 186                 smalltext_out16_lim(14, (start - 2)*10, curdir, 0xffff, 53-2);
 187         for (i = 0; i < n; i++) {
 188                 pos = start + i;
 189                 if (pos < 0)  continue;
 190                 if (pos > 26) break;
 191                 if (namelist[i+1]->d_type & DT_DIR) {
 192                         smalltext_out16_lim(14,   pos*10, "/", 0xd7ff, 1);
 193                         smalltext_out16_lim(14+6, pos*10, namelist[i+1]->d_name, 0xd7ff, 80-3);
 194                 } else {
 195                         unsigned short color = file2color(namelist[i+1]->d_name);
 196                         smalltext_out16_lim(14,   pos*10, namelist[i+1]->d_name, color, 80-2);
 197                 }
 198         }
 199         text_out16(5, 130, ">");
 200         menu_draw_end();
 201 }
 202
 203 static int scandir_cmp(const void *p1, const void *p2)
 204 {
 205         struct my_dirent **d1 = (struct my_dirent **)p1, **d2 = (struct my_dirent **)p2;
 206         if ((*d1)->d_type == (*d2)->d_type) return strcasecmp((*d1)->d_name, (*d2)->d_name);
 207         if ((*d1)->d_type & DT_DIR) return -1; // put before
 208         if ((*d2)->d_type & DT_DIR) return  1;
 209         return strcasecmp((*d1)->d_name, (*d2)->d_name);
 210 }
 211
 212 static char *filter_exts[] = {
 213         ".mp3", ".srm", ".brm", "s.gz", ".mds", "bcfg", ".txt", ".htm", "html",
 214         ".jpg", ".cue", ".pbp"
 215 };
 216
 217 static int scandir_filter(const struct my_dirent *ent)
 218 {
 219         const char *p;
 220         int i;
 221
 222         if (ent == NULL || ent->d_name == NULL) return 0;
 223         if (strlen(ent->d_name) < 5) return 1;
 224
 225         p = ent->d_name + strlen(ent->d_name) - 4;
 226
 227         for (i = 0; i < sizeof(filter_exts)/sizeof(filter_exts[0]); i++)
 228         {
 229                 if (strcasecmp(p, filter_exts[i]) == 0) return 0;
 230         }
 231
 232         return 1;
 233 }
 234
 235 static int my_scandir(const char *dir, struct my_dirent ***namelist_out,
 236                 int(*filter)(const struct my_dirent *),
 237                 int(*compar)(const void *, const void *))
 238 {
 239         int ret = -1, dir_uid = -1, name_alloc = 4, name_count = 0;
 240         struct my_dirent **namelist = NULL, *ent;
 241         SceIoDirent sce_ent;
 242
 243         namelist = malloc(sizeof(*namelist) * name_alloc);
 244         if (namelist == NULL) { lprintf("%s:%i: OOM\n", __FILE__, __LINE__); goto fail; }
 245
 246         // try to read first..
 247         dir_uid = sceIoDopen(dir);
 248         if (dir_uid >= 0)
 249         {
 250                 /* it is very important to clear SceIoDirent to be passed to sceIoDread(), */
 251                 /* or else it may crash, probably misinterpreting something in it. */
 252                 memset(&sce_ent, 0, sizeof(sce_ent));
 253                 ret = sceIoDread(dir_uid, &sce_ent);
 254                 if (ret < 0)
 255                 {
 256                         lprintf("sceIoDread(\"%s\") failed with %i\n", dir, ret);
 257                         goto fail;
 258                 }
 259         }
 260         else
 261                 lprintf("sceIoDopen(\"%s\") failed with %i\n", dir, dir_uid);
 262
 263         while (ret > 0)
 264         {
 265                 ent = malloc(sizeof(*ent));
 266                 if (ent == NULL) { lprintf("%s:%i: OOM\n", __FILE__, __LINE__); goto fail; }
 267                 ent->d_type = sce_ent.d_stat.st_attr;
 268                 strncpy(ent->d_name, sce_ent.d_name, sizeof(ent->d_name));
 269                 ent->d_name[sizeof(ent->d_name)-1] = 0;
 270                 if (filter == NULL || filter(ent))
 271                      namelist[name_count++] = ent;
 272                 else free(ent);
 273
 274                 if (name_count >= name_alloc)
 275                 {
 276                         void *tmp;
 277                         name_alloc *= 2;
 278                         tmp = realloc(namelist, sizeof(*namelist) * name_alloc);
 279                         if (tmp == NULL) { lprintf("%s:%i: OOM\n", __FILE__, __LINE__); goto fail; }
 280                         namelist = tmp;
 281                 }
 282
 283                 memset(&sce_ent, 0, sizeof(sce_ent));
 284                 ret = sceIoDread(dir_uid, &sce_ent);
 285         }
 286
 287         // sort
 288         if (compar != NULL && name_count > 3) qsort(&namelist[2], name_count - 2, sizeof(namelist[0]), compar);
 289
 290         // all done.
 291         ret = name_count;
 292         *namelist_out = namelist;
 293         goto end;
 294
 295 fail:
 296         if (namelist != NULL)
 297         {
 298                 while (name_count--)
 299                         free(namelist[name_count]);
 300                 free(namelist);
 301         }
 302 end:
 303         if (dir_uid >= 0) sceIoDclose(dir_uid);
 304         return ret;
 305 }
 306
 307
 308 static char *romsel_loop(char *curr_path)
 309 {
 310         struct my_dirent **namelist;
 311         int n, iret, sel = 0;
 312         unsigned long inp = 0;
 313         char *ret = NULL, *fname = NULL;
 314         SceIoStat cpstat;
 315
 316         // is this a dir or a full path?
 317         memset(&cpstat, 0, sizeof(cpstat));
 318         iret = sceIoGetstat(curr_path, &cpstat);
 319         if (iret >= 0 && (cpstat.st_attr & FIO_SO_IFREG)) { // file
 320                 char *p;
 321                 for (p = curr_path + strlen(curr_path) - 1; p > curr_path && *p != '/'; p--);
 322                 *p = 0;
 323                 fname = p+1;
 324         }
 325         else if (iret >= 0 && (cpstat.st_attr & FIO_SO_IFDIR)); // dir
 326         else strcpy(curr_path, "ms0:/"); // something else
 327
 328         n = my_scandir(curr_path, &namelist, scandir_filter, scandir_cmp);
 329         if (n < 0) {
 330                 // try root..
 331                 n = my_scandir("ms0:/", &namelist, scandir_filter, scandir_cmp);
 332                 if (n < 0) {
 333                         // oops, we failed
 334                         lprintf("scandir failed, dir: "); lprintf(curr_path); lprintf("\n");
 335                         return NULL;
 336                 }
 337         }
 338
 339         // try to find sel
 340         if (fname != NULL) {
 341                 int i;
 342                 for (i = 1; i < n; i++) {
 343                         if (strcmp(namelist[i]->d_name, fname) == 0) {
 344                                 sel = i - 1;
 345                                 break;
 346                         }
 347                 }
 348         }
 349
 350         for (;;)
 351         {
 352                 draw_dirlist(curr_path, namelist, n, sel);
 353                 inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_LEFT|BTN_RIGHT|BTN_L|BTN_R|BTN_X|BTN_CIRCLE);
 354                 if(inp & BTN_UP  )  { sel--;   if (sel < 0)   sel = n-2; }
 355                 if(inp & BTN_DOWN)  { sel++;   if (sel > n-2) sel = 0; }
 356                 if(inp & BTN_LEFT)  { sel-=10; if (sel < 0)   sel = 0; }
 357                 if(inp & BTN_L)     { sel-=24; if (sel < 0)   sel = 0; }
 358                 if(inp & BTN_RIGHT) { sel+=10; if (sel > n-2) sel = n-2; }
 359                 if(inp & BTN_R)     { sel+=24; if (sel > n-2) sel = n-2; }
 360                 if(inp & BTN_X)     { // enter dir/select
 361                         if (namelist[sel+1]->d_type & DT_REG) {
 362                                 strcpy(romFileName, curr_path);
 363                                 strcat(romFileName, "/");
 364                                 strcat(romFileName, namelist[sel+1]->d_name);
 365                                 ret = romFileName;
 366                                 break;
 367                         } else if (namelist[sel+1]->d_type & DT_DIR) {
 368                                 int newlen = strlen(curr_path) + strlen(namelist[sel+1]->d_name) + 2;
 369                                 char *p, *newdir = malloc(newlen);
 370                                 if (strcmp(namelist[sel+1]->d_name, "..") == 0) {
 371                                         char *start = curr_path;
 372                                         p = start + strlen(start) - 1;
 373                                         while (*p == '/' && p > start) p--;
 374                                         while (*p != '/' && *p != ':' && p > start) p--;
 375                                         if (p <= start || *p == ':' || p[-1] == ':') strcpy(newdir, "ms0:/");
 376                                         else { strncpy(newdir, start, p-start); newdir[p-start] = 0; }
 377                                 } else {
 378                                         strcpy(newdir, curr_path);
 379                                         p = newdir + strlen(newdir) - 1;
 380                                         while (*p == '/' && p >= newdir) *p-- = 0;
 381                                         strcat(newdir, "/");
 382                                         strcat(newdir, namelist[sel+1]->d_name);
 383                                 }
 384                                 ret = romsel_loop(newdir);
 385                                 free(newdir);
 386                                 break;
 387                         }
 388                 }
 389                 if(inp & BTN_CIRCLE) break; // cancel
 390         }
 391
 392         if (n > 0) {
 393                 while(n--) free(namelist[n]);
 394                 free(namelist);
 395         }
 396
 397         return ret;
 398 }
 399
 400 // ------------ debug menu ------------
 401
 402 char *debugString(void);
 403
 404 static void draw_debug(void)
 405 {
 406         char *p, *str = debugString();
 407         int len, line;
 408
 409         menu_draw_begin();
 410
 411         p = str;
 412         for (line = 0; line < 24; line++)
 413         {
 414                 while (*p && *p != '\n') p++;
 415                 len = p - str;
 416                 if (len > 55) len = 55;
 417                 smalltext_out16_lim(1, line*10, str, 0xffff, len);
 418                 if (*p == 0) break;
 419                 p++; str = p;
 420         }
 421         menu_draw_end();
 422 }
 423
 424 static void debug_menu_loop(void)
 425 {
 426         draw_debug();
 427         wait_for_input(BTN_X|BTN_CIRCLE);
 428 }
 429
 430 // ------------ patch/gg menu ------------
 431
 432 static void draw_patchlist(int sel)
 433 {
 434         int start, i, pos, active;
 435
 436         start = 13 - sel;
 437
 438         menu_draw_begin();
 439
 440         for (i = 0; i < PicoPatchCount; i++) {
 441                 pos = start + i;
 442                 if (pos < 0)  continue;
 443                 if (pos > 26) break;
 444                 active = PicoPatches[i].active;
 445                 smalltext_out16_lim(14,     pos*10, active ? "ON " : "OFF", active ? 0xfff6 : 0xffff, 3);
 446                 smalltext_out16_lim(14+6*4, pos*10, PicoPatches[i].name, active ? 0xfff6 : 0xffff, 53-6);
 447         }
 448         pos = start + i;
 449         if (pos < 27) smalltext_out16_lim(14, pos*10, "done", 0xffff, 4);
 450
 451         text_out16(5, 130, ">");
 452         menu_draw_end();
 453 }
 454
 455
 456 static void patches_menu_loop(void)
 457 {
 458         int menu_sel = 0;
 459         unsigned long inp = 0;
 460
 461         for(;;)
 462         {
 463                 draw_patchlist(menu_sel);
 464                 inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_LEFT|BTN_RIGHT|BTN_L|BTN_R|BTN_X|BTN_CIRCLE);
 465                 if(inp & BTN_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = PicoPatchCount; }
 466                 if(inp & BTN_DOWN) { menu_sel++; if (menu_sel > PicoPatchCount) menu_sel = 0; }
 467                 if(inp &(BTN_LEFT|BTN_L))  { menu_sel-=10; if (menu_sel < 0) menu_sel = 0; }
 468                 if(inp &(BTN_RIGHT|BTN_R)) { menu_sel+=10; if (menu_sel > PicoPatchCount) menu_sel = PicoPatchCount; }
 469                 if(inp & BTN_X) { // action
 470                         if (menu_sel < PicoPatchCount)
 471                                 PicoPatches[menu_sel].active = !PicoPatches[menu_sel].active;
 472                         else    return;
 473                 }
 474                 if(inp & BTN_CIRCLE) return;
 475         }
 476
 477 }
 478
 479 // ------------ savestate loader ------------
 480
 481 static int state_slot_flags = 0;
 482
 483 static void state_check_slots(void)
 484 {
 485         int slot;
 486
 487         state_slot_flags = 0;
 488
 489         for (slot = 0; slot < 10; slot++)
 490         {
 491                 if (emu_checkSaveFile(slot))
 492                 {
 493                         state_slot_flags |= 1 << slot;
 494                 }
 495         }
 496 }
 497
 498 static void *get_oldstate_for_preview(void)
 499 {
 500         unsigned char *ptr = malloc(sizeof(Pico.vram) + sizeof(Pico.cram) + sizeof(Pico.vsram) + sizeof(Pico.video));
 501         if (ptr == NULL) return NULL;
 502
 503         memcpy(ptr, Pico.vram, sizeof(Pico.vram));
 504         memcpy(ptr + sizeof(Pico.vram), Pico.cram, sizeof(Pico.cram));
 505         memcpy(ptr + sizeof(Pico.vram) + sizeof(Pico.cram), Pico.vsram, sizeof(Pico.vsram));
 506         memcpy(ptr + sizeof(Pico.vram) + sizeof(Pico.cram) + sizeof(Pico.vsram), &Pico.video, sizeof(Pico.video));
 507         return ptr;
 508 }
 509
 510 static void restore_oldstate(void *ptrx)
 511 {
 512         unsigned char *ptr = ptrx;
 513         memcpy(Pico.vram,  ptr,  sizeof(Pico.vram));
 514         memcpy(Pico.cram,  ptr + sizeof(Pico.vram), sizeof(Pico.cram));
 515         memcpy(Pico.vsram, ptr + sizeof(Pico.vram) + sizeof(Pico.cram), sizeof(Pico.vsram));
 516         memcpy(&Pico.video,ptr + sizeof(Pico.vram) + sizeof(Pico.cram) + sizeof(Pico.vsram), sizeof(Pico.video));
 517         free(ptrx);
 518 }
 519
 520 static void draw_savestate_bg(int slot)
 521 {
 522         void *file, *oldstate;
 523         char *fname;
 524
 525         fname = emu_GetSaveFName(1, 0, slot);
 526         if (!fname) return;
 527
 528         oldstate = get_oldstate_for_preview();
 529         if (oldstate == NULL) return;
 530
 531         if (strcmp(fname + strlen(fname) - 3, ".gz") == 0) {
 532                 file = gzopen(fname, "rb");
 533                 emu_setSaveStateCbs(1);
 534         } else {
 535                 file = fopen(fname, "rb");
 536                 emu_setSaveStateCbs(0);
 537         }
 538
 539         if (file) {
 540                 if (PicoMCD & 1) {
 541                         PicoCdLoadStateGfx(file);
 542                 } else {
 543                         areaSeek(file, 0x10020, SEEK_SET);  // skip header and RAM in state file
 544                         areaRead(Pico.vram, 1, sizeof(Pico.vram), file);
 545                         areaSeek(file, 0x2000, SEEK_CUR);
 546                         areaRead(Pico.cram, 1, sizeof(Pico.cram), file);
 547                         areaRead(Pico.vsram, 1, sizeof(Pico.vsram), file);
 548                         areaSeek(file, 0x221a0, SEEK_SET);
 549                         areaRead(&Pico.video, 1, sizeof(Pico.video), file);
 550                 }
 551                 areaClose(file);
 552         }
 553
 554         emu_forcedFrame();
 555         menu_prepare_bg(1, 0);
 556
 557         restore_oldstate(oldstate);
 558 }
 559
 560 static void draw_savestate_menu(int menu_sel, int is_loading)
 561 {
 562         int tl_x = 80+25, tl_y = 16+60, y, i;
 563
 564         if (state_slot_flags & (1 << menu_sel))
 565                 draw_savestate_bg(menu_sel);
 566         menu_draw_begin();
 567
 568         text_out16(tl_x, 16+30, is_loading ? "Load state" : "Save state");
 569
 570         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 108);
 571
 572         /* draw all 10 slots */
 573         y = tl_y;
 574         for (i = 0; i < 10; i++, y+=10)
 575         {
 576                 text_out16(tl_x, y, "SLOT %i (%s)", i, (state_slot_flags & (1 << i)) ? "USED" : "free");
 577         }
 578         text_out16(tl_x, y, "back");
 579
 580         menu_draw_end();
 581 }
 582
 583 static int savestate_menu_loop(int is_loading)
 584 {
 585         static int menu_sel = 10;
 586         int menu_sel_max = 10;
 587         unsigned long inp = 0;
 588
 589         state_check_slots();
 590
 591         for(;;)
 592         {
 593                 draw_savestate_menu(menu_sel, is_loading);
 594                 inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_X|BTN_CIRCLE);
 595                 if(inp & BTN_UP  ) {
 596                         do {
 597                                 menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max;
 598                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);
 599                 }
 600                 if(inp & BTN_DOWN) {
 601                         do {
 602                                 menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0;
 603                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);
 604                 }
 605                 if(inp & BTN_X) { // save/load
 606                         if (menu_sel < 10) {
 607                                 state_slot = menu_sel;
 608                                 PicoStateProgressCB = emu_msg_cb; /* also suitable for menu */
 609                                 if (emu_SaveLoadGame(is_loading, 0)) {
 610                                         strcpy(menuErrorMsg, is_loading ? "Load failed" : "Save failed");
 611                                         return 1;
 612                                 }
 613                                 return 0;
 614                         } else  return 1;
 615                 }
 616                 if(inp & BTN_CIRCLE) return 1;
 617         }
 618 }
 619
 620 // -------------- key config --------------
 621
 622 static char *action_binds(int player_idx, int action_mask)
 623 {
 624         static char strkeys[32*5];
 625         int i;
 626
 627         strkeys[0] = 0;
 628         for (i = 0; i < 32; i++) // i is key index
 629         {
 630                 if (currentConfig.KeyBinds[i] & action_mask)
 631                 {
 632                         if (player_idx >= 0 && ((currentConfig.KeyBinds[i] >> 16) & 3) != player_idx) continue;
 633                         if (strkeys[0]) { strcat(strkeys, " + "); strcat(strkeys, pspKeyNames[i]); break; }
 634                         else strcpy(strkeys, pspKeyNames[i]);
 635                 }
 636         }
 637
 638         return strkeys;
 639 }
 640
 641 static void unbind_action(int action)
 642 {
 643         int i;
 644
 645         for (i = 0; i < 32; i++)
 646                 currentConfig.KeyBinds[i] &= ~action;
 647 }
 648
 649 static int count_bound_keys(int action, int pl_idx)
 650 {
 651         int i, keys = 0;
 652
 653         for (i = 0; i < 32; i++)
 654         {
 655                 if (pl_idx >= 0 && (currentConfig.KeyBinds[i]&0x30000) != (pl_idx<<16)) continue;
 656                 if (currentConfig.KeyBinds[i] & action) keys++;
 657         }
 658
 659         return keys;
 660 }
 661
 662 typedef struct { char *name; int mask; } bind_action_t;
 663
 664 static void draw_key_config(const bind_action_t *opts, int opt_cnt, int player_idx, int sel)
 665 {
 666         int x, y, tl_y = 16+40, i;
 667
 668         menu_draw_begin();
 669         if (player_idx >= 0) {
 670                 text_out16(80+80, 16+20, "Player %i controls", player_idx + 1);
 671                 x = 80+80;
 672         } else {
 673                 text_out16(80+80, 16+20, "Emulator controls");
 674                 x = 80+40;
 675         }
 676
 677         menu_draw_selection(x - 16, tl_y + sel*10, (player_idx >= 0) ? 66 : 130);
 678
 679         y = tl_y;
 680         for (i = 0; i < opt_cnt; i++, y+=10)
 681                 text_out16(x, y, "%s : %s", opts[i].name, action_binds(player_idx, opts[i].mask));
 682
 683         text_out16(x, y, "Done");
 684
 685         if (sel < opt_cnt) {
 686                 text_out16(80+30, 180, "Press a button to bind/unbind");
 687                 text_out16(80+30, 190, "Use SELECT to clear");
 688                 text_out16(80+30, 200, "To bind UP/DOWN, hold SELECT");
 689                 text_out16(80+30, 210, "Select \"Done\" to exit");
 690         } else {
 691                 text_out16(80+30, 190, "Use Options -> Save cfg");
 692                 text_out16(80+30, 200, "to save controls");
 693                 text_out16(80+30, 210, "Press X or O to exit");
 694         }
 695         menu_draw_end();
 696 }
 697
 698 static void key_config_loop(const bind_action_t *opts, int opt_cnt, int player_idx)
 699 {
 700         int sel = 0, menu_sel_max = opt_cnt, prev_select = 0, i;
 701         unsigned long inp = 0;
 702
 703         for (;;)
 704         {
 705                 draw_key_config(opts, opt_cnt, player_idx, sel);
 706                 inp = wait_for_input(CONFIGURABLE_KEYS|BTN_SELECT);
 707                 if (!(inp & BTN_SELECT)) {
 708                         prev_select = 0;
 709                         if(inp & BTN_UP  ) { sel--; if (sel < 0) sel = menu_sel_max; continue; }
 710                         if(inp & BTN_DOWN) { sel++; if (sel > menu_sel_max) sel = 0; continue; }
 711                 }
 712                 if (sel >= opt_cnt) {
 713                         if (inp & (BTN_X|BTN_CIRCLE)) break;
 714                         else continue;
 715                 }
 716                 // if we are here, we want to bind/unbind something
 717                 if ((inp & BTN_SELECT) && !prev_select)
 718                         unbind_action(opts[sel].mask);
 719                 prev_select = inp & BTN_SELECT;
 720                 inp &= CONFIGURABLE_KEYS;
 721                 inp &= ~BTN_SELECT;
 722                 for (i = 0; i < 32; i++)
 723                         if (inp & (1 << i)) {
 724                                 if (count_bound_keys(opts[sel].mask, player_idx) >= 2)
 725                                      currentConfig.KeyBinds[i] &= ~opts[sel].mask; // allow to unbind only
 726                                 else currentConfig.KeyBinds[i] ^=  opts[sel].mask;
 727                                 if (player_idx >= 0 && (currentConfig.KeyBinds[i] & opts[sel].mask)) {
 728                                         currentConfig.KeyBinds[i] &= ~(3 << 16);
 729                                         currentConfig.KeyBinds[i] |= player_idx << 16;
 730                                 }
 731                         }
 732         }
 733 }
 734
 735 static void draw_kc_sel(int menu_sel)
 736 {
 737         int tl_x = 80+25+40, tl_y = 16+60, y;
 738
 739         y = tl_y;
 740         menu_draw_begin();
 741         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 138);
 742
 743         text_out16(tl_x, y,       "Player 1");
 744         text_out16(tl_x, (y+=10), "Player 2");
 745         text_out16(tl_x, (y+=10), "Emulator controls");
 746         text_out16(tl_x, (y+=10), "Done");
 747
 748         menu_draw_end();
 749 }
 750
 751
 752 // PicoPad[] format: MXYZ SACB RLDU
 753 static bind_action_t ctrl_actions[] =
 754 {
 755         { "UP     ", 0x001 },
 756         { "DOWN   ", 0x002 },
 757         { "LEFT   ", 0x004 },
 758         { "RIGHT  ", 0x008 },
 759         { "A      ", 0x040 },
 760         { "B      ", 0x010 },
 761         { "C      ", 0x020 },
 762         { "START  ", 0x080 },
 763         { "MODE   ", 0x800 },
 764         { "X      ", 0x400 },
 765         { "Y      ", 0x200 },
 766         { "Z      ", 0x100 },
 767 };
 768
 769 // player2_flag, ?, ?, ?, ?, ?, ?, menu
 770 // "NEXT SAVE SLOT", "PREV SAVE SLOT", "SWITCH RENDERER", "SAVE STATE",
 771 // "LOAD STATE", "VOLUME UP", "VOLUME DOWN", "DONE"
 772 static bind_action_t emuctrl_actions[] =
 773 {
 774         { "Load State     ", 1<<28 },
 775         { "Save State     ", 1<<27 },
 776         { "Prev Save Slot ", 1<<25 },
 777         { "Next Save Slot ", 1<<24 },
 778         { "Switch Renderer", 1<<26 },
 779         { "Volume Down    ", 1<<30 },
 780         { "Volume Up      ", 1<<29 },
 781 };
 782
 783 static void kc_sel_loop(void)
 784 {
 785         int menu_sel = 3, menu_sel_max = 3;
 786         unsigned long inp = 0;
 787         int is_6button = currentConfig.PicoOpt & 0x020;
 788
 789         while (1)
 790         {
 791                 draw_kc_sel(menu_sel);
 792                 inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_X|BTN_CIRCLE);
 793                 if (inp & BTN_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }
 794                 if (inp & BTN_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }
 795                 if (inp & BTN_X) {
 796                         switch (menu_sel) {
 797                                 case 0: key_config_loop(ctrl_actions, is_6button ? 12 : 8, 0); return;
 798                                 case 1: key_config_loop(ctrl_actions, is_6button ? 12 : 8, 1); return;
 799                                 case 2: key_config_loop(emuctrl_actions,
 800                                                 sizeof(emuctrl_actions)/sizeof(emuctrl_actions[0]), -1); return;
 801                                 case 3: if (rom_data == NULL) emu_WriteConfig(0); return;
 802                                 default: return;
 803                         }
 804                 }
 805                 if (inp & BTN_CIRCLE) return;
 806         }
 807 }
 808
 809
 810 // --------- sega/mega cd options ----------
 811
 812 menu_entry cdopt_entries[] =
 813 {
 814         { NULL,                        MB_NONE,  MA_CDOPT_TESTBIOS_USA, NULL, 0, 0, 0, 1 },
 815         { NULL,                        MB_NONE,  MA_CDOPT_TESTBIOS_EUR, NULL, 0, 0, 0, 1 },
 816         { NULL,                        MB_NONE,  MA_CDOPT_TESTBIOS_JAP, NULL, 0, 0, 0, 1 },
 817         { "CD LEDs",                   MB_ONOFF, MA_CDOPT_LEDS,         &currentConfig.EmuOpt,  0x0400, 0, 0, 1 },
 818         { "CDDA audio (using mp3s)",   MB_ONOFF, MA_CDOPT_CDDA,         &currentConfig.PicoOpt, 0x0800, 0, 0, 1 },
 819         { "PCM audio",                 MB_ONOFF, MA_CDOPT_PCM,          &currentConfig.PicoOpt, 0x0400, 0, 0, 1 },
 820         { NULL,                        MB_NONE,  MA_CDOPT_READAHEAD,    NULL, 0, 0, 0, 1 },
 821         { "SaveRAM cart",              MB_ONOFF, MA_CDOPT_SAVERAM,      &currentConfig.PicoOpt, 0x8000, 0, 0, 1 },
 822         { "Scale/Rot. fx (slow)",      MB_ONOFF, MA_CDOPT_SCALEROT_CHIP,&currentConfig.PicoOpt, 0x1000, 0, 0, 1 },
 823         { "Better sync (slow)",        MB_ONOFF, MA_CDOPT_BETTER_SYNC,  &currentConfig.PicoOpt, 0x2000, 0, 0, 1 },
 824         { "done",                      MB_NONE,  MA_CDOPT_DONE,         NULL, 0, 0, 0, 1 },
 825 };
 826
 827 #define CDOPT_ENTRY_COUNT (sizeof(cdopt_entries) / sizeof(cdopt_entries[0]))
 828
 829
 830 struct bios_names_t
 831 {
 832         char us[32], eu[32], jp[32];
 833 };
 834
 835 static void menu_cdopt_cust_draw(const menu_entry *entry, int x, int y, void *param)
 836 {
 837         struct bios_names_t *bios_names = param;
 838         char ra_buff[16];
 839
 840         switch (entry->id)
 841         {
 842                 case MA_CDOPT_TESTBIOS_USA: text_out16(x, y, "USA BIOS:     %s", bios_names->us); break;
 843                 case MA_CDOPT_TESTBIOS_EUR: text_out16(x, y, "EUR BIOS:     %s", bios_names->eu); break;
 844                 case MA_CDOPT_TESTBIOS_JAP: text_out16(x, y, "JAP BIOS:     %s", bios_names->jp); break;
 845                 case MA_CDOPT_READAHEAD:
 846                         if (PicoCDBuffers > 1) sprintf(ra_buff, "%5iK", PicoCDBuffers * 2);
 847                         else strcpy(ra_buff, "     OFF");
 848                         text_out16(x, y, "ReadAhead buffer      %s", ra_buff);
 849                         break;
 850                 default:break;
 851         }
 852 }
 853
 854 static void draw_cd_menu_options(int menu_sel, struct bios_names_t *bios_names)
 855 {
 856         int tl_x = 80+25, tl_y = 16+60;
 857         menu_id selected_id;
 858         char ra_buff[16];
 859
 860         if (PicoCDBuffers > 1) sprintf(ra_buff, "%5iK", PicoCDBuffers * 2);
 861         else strcpy(ra_buff, "     OFF");
 862
 863         menu_draw_begin();
 864
 865         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 246);
 866
 867         me_draw(cdopt_entries, CDOPT_ENTRY_COUNT, tl_x, tl_y, menu_cdopt_cust_draw, bios_names);
 868
 869         selected_id = me_index2id(cdopt_entries, CDOPT_ENTRY_COUNT, menu_sel);
 870         if ((selected_id == MA_CDOPT_TESTBIOS_USA && strcmp(bios_names->us, "NOT FOUND")) ||
 871                 (selected_id == MA_CDOPT_TESTBIOS_EUR && strcmp(bios_names->eu, "NOT FOUND")) ||
 872                 (selected_id == MA_CDOPT_TESTBIOS_JAP && strcmp(bios_names->jp, "NOT FOUND")))
 873                         text_out16(tl_x, 210, "Press start to test selected BIOS");
 874
 875         menu_draw_end();
 876 }
 877
 878 static void cd_menu_loop_options(void)
 879 {
 880         static int menu_sel = 0;
 881         int menu_sel_max = 10;
 882         unsigned long inp = 0;
 883         struct bios_names_t bios_names;
 884         menu_id selected_id;
 885         char *bios, *p;
 886
 887         if (emu_findBios(4, &bios)) { // US
 888                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;
 889                 strncpy(bios_names.us, p, sizeof(bios_names.us)); bios_names.us[sizeof(bios_names.us)-1] = 0;
 890         } else  strcpy(bios_names.us, "NOT FOUND");
 891
 892         if (emu_findBios(8, &bios)) { // EU
 893                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;
 894                 strncpy(bios_names.eu, p, sizeof(bios_names.eu)); bios_names.eu[sizeof(bios_names.eu)-1] = 0;
 895         } else  strcpy(bios_names.eu, "NOT FOUND");
 896
 897         if (emu_findBios(1, &bios)) { // JP
 898                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;
 899                 strncpy(bios_names.jp, p, sizeof(bios_names.jp)); bios_names.jp[sizeof(bios_names.jp)-1] = 0;
 900         } else  strcpy(bios_names.jp, "NOT FOUND");
 901
 902         for(;;)
 903         {
 904                 draw_cd_menu_options(menu_sel, &bios_names);
 905                 inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_LEFT|BTN_RIGHT|BTN_X|BTN_CIRCLE);
 906                 if (inp & BTN_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }
 907                 if (inp & BTN_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }
 908                 selected_id = me_index2id(cdopt_entries, CDOPT_ENTRY_COUNT, menu_sel);
 909                 if (inp & (BTN_LEFT|BTN_RIGHT)) { // multi choise
 910                         if (!me_process(cdopt_entries, CDOPT_ENTRY_COUNT, selected_id, (inp&BTN_RIGHT) ? 1 : 0) &&
 911                             selected_id == MA_CDOPT_READAHEAD) {
 912                                 if (inp & BTN_LEFT) {
 913                                         PicoCDBuffers >>= 1;
 914                                         if (PicoCDBuffers < 64) PicoCDBuffers = 0;
 915                                 } else {
 916                                         if (PicoCDBuffers < 64) PicoCDBuffers = 64;
 917                                         else PicoCDBuffers <<= 1;
 918                                         if (PicoCDBuffers > 8*1024) PicoCDBuffers = 8*1024; // 16M
 919                                 }
 920                         }
 921                 }
 922                 if (inp & BTN_X) { // toggleable options
 923                         if (!me_process(cdopt_entries, CDOPT_ENTRY_COUNT, selected_id, 1) &&
 924                             selected_id == MA_CDOPT_DONE) {
 925                                 return;
 926                         }
 927                         switch (selected_id) { // BIOS testers
 928                                 case MA_CDOPT_TESTBIOS_USA:
 929                                         if (emu_findBios(4, &bios)) { // test US
 930                                                 strcpy(romFileName, bios);
 931                                                 engineState = PGS_ReloadRom;
 932                                                 return;
 933                                         }
 934                                         break;
 935                                 case MA_CDOPT_TESTBIOS_EUR:
 936                                         if (emu_findBios(8, &bios)) { // test EU
 937                                                 strcpy(romFileName, bios);
 938                                                 engineState = PGS_ReloadRom;
 939                                                 return;
 940                                         }
 941                                         break;
 942                                 case MA_CDOPT_TESTBIOS_JAP:
 943                                         if (emu_findBios(1, &bios)) { // test JP
 944                                                 strcpy(romFileName, bios);
 945                                                 engineState = PGS_ReloadRom;
 946                                                 return;
 947                                         }
 948                                         break;
 949                                 default:
 950                                         break;
 951                         }
 952                 }
 953                 if (inp & BTN_CIRCLE) return;
 954         }
 955 }
 956
 957 // --------- display options ----------
 958
 959 menu_entry opt3_entries[] =
 960 {
 961         { NULL,                        MB_NONE,  MA_OPT3_SCALE,         NULL, 0, 0, 0, 1 },
 962         { NULL,                        MB_NONE,  MA_OPT3_HSCALE32,      NULL, 0, 0, 0, 1 },
 963         { NULL,                        MB_NONE,  MA_OPT3_HSCALE40,      NULL, 0, 0, 0, 1 },
 964         { NULL,                        MB_ONOFF, MA_OPT3_FILTERING,     &currentConfig.scaling, 1, 0, 0, 1 },
 965         { "Set to unscaled centered",  MB_NONE,  MA_OPT3_PRES_NOSCALE,  NULL, 0, 0, 0, 1 },
 966         { "Set to fullscreen",         MB_NONE,  MA_OPT3_PRES_FULLSCR,  NULL, 0, 0, 0, 1 },
 967         { "done",                      MB_NONE,  MA_OPT3_DONE,          NULL, 0, 0, 0, 1 },
 968 };
 969
 970 #define OPT3_ENTRY_COUNT (sizeof(opt3_entries) / sizeof(opt3_entries[0]))
 971
 972
 973 static void menu_opt3_cust_draw(const menu_entry *entry, int x, int y, void *param)
 974 {
 975         switch (entry->id)
 976         {
 977                 case MA_OPT3_SCALE:
 978                         text_out16(x, y, "Scale factor:                      %.2f", currentConfig.scale);
 979                         break;
 980                 case MA_OPT3_HSCALE32:
 981                         text_out16(x, y, "Hor. scale (for low res. games):   %.2f", currentConfig.hscale32);
 982                         break;
 983                 case MA_OPT3_HSCALE40:
 984                         text_out16(x, y, "Hor. scale (for hi res. games):    %.2f", currentConfig.hscale40);
 985                         break;
 986                 case MA_OPT3_FILTERING:
 987                         text_out16(x, y, "Bilinear filtering                 %s", currentConfig.scaling?"ON":"OFF");
 988                         break;
 989                 default: break;
 990         }
 991 }
 992
 993 static void menu_opt3_preview(int is_32col)
 994 {
 995         void *oldstate = NULL;
 996
 997         if (rom_data == NULL || ((Pico.video.reg[12]&1)^1) != is_32col)
 998         {
 999                 extern char bgdatac32_start[], bgdatac40_start[];
1000                 extern int bgdatac32_size, bgdatac40_size;
1001                 void *bgdata = is_32col ? bgdatac32_start : bgdatac40_start;
1002                 unsigned long insize = is_32col ? bgdatac32_size : bgdatac40_size, outsize = 65856;
1003                 int ret;
1004                 ret = uncompress((Bytef *)bg_buffer, &outsize, bgdata, insize);
1005                 if (ret == 0)
1006                 {
1007                         if (rom_data != NULL) oldstate = get_oldstate_for_preview();
1008                         memcpy(Pico.vram,  bg_buffer, sizeof(Pico.vram));
1009                         memcpy(Pico.cram,  (char *)bg_buffer + 0x10000, 0x40*2);
1010                         memcpy(Pico.vsram, (char *)bg_buffer + 0x10080, 0x40*2);
1011                         memcpy(&Pico.video,(char *)bg_buffer + 0x10100, 0x40);
1012                 }
1013                 else
1014                         lprintf("uncompress returned %i\n", ret);
1015         }
1016
1017         memset32(psp_screen, 0, 512*272*2/4);
1018         emu_forcedFrame();
1019         menu_prepare_bg(1, 0);
1020
1021         if (oldstate) restore_oldstate(oldstate);
1022 }
1023
1024 static void draw_dispmenu_options(int menu_sel)
1025 {
1026         int tl_x = 80+25, tl_y = 16+50;
1027
1028         menu_draw_begin();
1029
1030         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 252);
1031
1032         me_draw(opt3_entries, OPT3_ENTRY_COUNT, tl_x, tl_y, menu_opt3_cust_draw, NULL);
1033
1034         menu_draw_end();
1035 }
1036
1037 static void dispmenu_loop_options(void)
1038 {
1039         static int menu_sel = 0;
1040         int menu_sel_max, is_32col = 0;
1041         unsigned long inp = 0;
1042         menu_id selected_id;
1043
1044         menu_sel_max = me_count_enabled(opt3_entries, OPT3_ENTRY_COUNT) - 1;
1045
1046         for(;;)
1047         {
1048                 draw_dispmenu_options(menu_sel);
1049                 inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_LEFT|BTN_RIGHT|BTN_X|BTN_CIRCLE);
1050                 if (inp & BTN_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }
1051                 if (inp & BTN_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }
1052                 selected_id = me_index2id(opt3_entries, OPT3_ENTRY_COUNT, menu_sel);
1053                 if (selected_id == MA_OPT3_HSCALE40 &&  is_32col) { is_32col = 0; menu_opt3_preview(is_32col); }
1054                 if (selected_id == MA_OPT3_HSCALE32 && !is_32col) { is_32col = 1; menu_opt3_preview(is_32col); }
1055
1056                 if (inp & (BTN_LEFT|BTN_RIGHT)) // multi choise
1057                 {
1058                         float *setting = NULL;
1059                         me_process(opt3_entries, OPT3_ENTRY_COUNT, selected_id, (inp&BTN_RIGHT) ? 1 : 0);
1060                         switch (selected_id) {
1061                                 case MA_OPT3_SCALE:    setting = &currentConfig.scale; break;
1062                                 case MA_OPT3_HSCALE40: setting = &currentConfig.hscale40; is_32col = 0; break;
1063                                 case MA_OPT3_HSCALE32: setting = &currentConfig.hscale32; is_32col = 1; break;
1064                                 case MA_OPT3_FILTERING:menu_opt3_preview(is_32col); break;
1065                                 default: break;
1066                         }
1067                         if (setting != NULL) {
1068                                 while ((inp = psp_pad_read(0)) & (BTN_LEFT|BTN_RIGHT)) {
1069                                         *setting += (inp & BTN_LEFT) ? -0.01 : 0.01;
1070                                         menu_opt3_preview(is_32col);
1071                                         draw_dispmenu_options(menu_sel); // will wait vsync
1072                                 }
1073                         }
1074                 }
1075                 if (inp & BTN_X) { // toggleable options
1076                         me_process(opt3_entries, OPT3_ENTRY_COUNT, selected_id, 1);
1077                         switch (selected_id) {
1078                                 case MA_OPT3_DONE:
1079                                         return;
1080                                 case MA_OPT3_PRES_NOSCALE:
1081                                         currentConfig.scale = currentConfig.hscale40 = currentConfig.hscale32 = 1.0;
1082                                         menu_opt3_preview(is_32col);
1083                                         break;
1084                                 case MA_OPT3_PRES_FULLSCR:
1085                                         currentConfig.scale = 1.20;
1086                                         currentConfig.hscale40 = 1.25;
1087                                         currentConfig.hscale32 = 1.56;
1088                                         menu_opt3_preview(is_32col);
1089                                         break;
1090                                 case MA_OPT3_FILTERING:
1091                                         menu_opt3_preview(is_32col);
1092                                         break;
1093                                 default: break;
1094                         }
1095                 }
1096                 if (inp & BTN_CIRCLE) return;
1097         }
1098 }
1099
1100
1101 // --------- advanced options ----------
1102
1103 menu_entry opt2_entries[] =
1104 {
1105         { "Emulate Z80",               MB_ONOFF, MA_OPT2_ENABLE_Z80,    &currentConfig.PicoOpt,0x0004, 0, 0, 1 },
1106         { "Emulate YM2612 (FM)",       MB_ONOFF, MA_OPT2_ENABLE_YM2612, &currentConfig.PicoOpt,0x0001, 0, 0, 1 },
1107         { "Emulate SN76496 (PSG)",     MB_ONOFF, MA_OPT2_ENABLE_SN76496,&currentConfig.PicoOpt,0x0002, 0, 0, 1 },
1108         { "gzip savestates",           MB_ONOFF, MA_OPT2_GZIP_STATES,   &currentConfig.EmuOpt, 0x0008, 0, 0, 1 },
1109         { "Don't save last used ROM",  MB_ONOFF, MA_OPT2_NO_LAST_ROM,   &currentConfig.EmuOpt, 0x0020, 0, 0, 1 },
1110         { "done",                      MB_NONE,  MA_OPT2_DONE,          NULL, 0, 0, 0, 1 },
1111 };
1112
1113 #define OPT2_ENTRY_COUNT (sizeof(opt2_entries) / sizeof(opt2_entries[0]))
1114
1115
1116 static void draw_amenu_options(int menu_sel)
1117 {
1118         int tl_x = 80+25, tl_y = 16+50;
1119
1120         menu_draw_begin();
1121
1122         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 252);
1123
1124         me_draw(opt2_entries, OPT2_ENTRY_COUNT, tl_x, tl_y, NULL, NULL);
1125
1126         menu_draw_end();
1127 }
1128
1129 static void amenu_loop_options(void)
1130 {
1131         static int menu_sel = 0;
1132         int menu_sel_max;
1133         unsigned long inp = 0;
1134         menu_id selected_id;
1135
1136         menu_sel_max = me_count_enabled(opt2_entries, OPT2_ENTRY_COUNT) - 1;
1137
1138         for(;;)
1139         {
1140                 draw_amenu_options(menu_sel);
1141                 inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_LEFT|BTN_RIGHT|BTN_X|BTN_CIRCLE);
1142                 if (inp & BTN_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }
1143                 if (inp & BTN_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }
1144                 selected_id = me_index2id(opt2_entries, OPT2_ENTRY_COUNT, menu_sel);
1145                 if (inp & (BTN_LEFT|BTN_RIGHT)) { // multi choise
1146                         if (!me_process(opt2_entries, OPT2_ENTRY_COUNT, selected_id, (inp&BTN_RIGHT) ? 1 : 0) &&
1147                             selected_id == MA_OPT2_GAMMA) {
1148                                 // TODO?
1149                         }
1150                 }
1151                 if (inp & BTN_X) { // toggleable options
1152                         if (!me_process(opt2_entries, OPT2_ENTRY_COUNT, selected_id, 1) &&
1153                             selected_id == MA_OPT2_DONE) {
1154                                 return;
1155                         }
1156                 }
1157                 if (inp & BTN_CIRCLE) return;
1158         }
1159 }
1160
1161 // -------------- options --------------
1162
1163
1164 menu_entry opt_entries[] =
1165 {
1166         { NULL,                        MB_NONE,  MA_OPT_RENDERER,      NULL, 0, 0, 0, 1 },
1167         { "Accurate timing (slower)",  MB_ONOFF, MA_OPT_ACC_TIMING,    &currentConfig.PicoOpt, 0x0040, 0, 0, 1 },
1168         { "Accurate sprites (slower)", MB_ONOFF, MA_OPT_ACC_SPRITES,   &currentConfig.PicoOpt, 0x0080, 0, 0, 1 },
1169         { "Show FPS",                  MB_ONOFF, MA_OPT_SHOW_FPS,      &currentConfig.EmuOpt,  0x0002, 0, 0, 1 },
1170         { NULL,                        MB_RANGE, MA_OPT_FRAMESKIP,     &currentConfig.Frameskip, 0, -1, 16, 1 },
1171         { "Enable sound",              MB_ONOFF, MA_OPT_ENABLE_SOUND,  &currentConfig.EmuOpt,  0x0004, 0, 0, 1 },
1172         { NULL,                        MB_NONE,  MA_OPT_SOUND_QUALITY, NULL, 0, 0, 0, 1 },
1173         { "6 button pad",              MB_ONOFF, MA_OPT_6BUTTON_PAD,   &currentConfig.PicoOpt, 0x0020, 0, 0, 1 },
1174         { NULL,                        MB_NONE,  MA_OPT_REGION,        NULL, 0, 0, 0, 1 },
1175         { "Use SRAM/BRAM savestates",  MB_ONOFF, MA_OPT_SRAM_STATES,   &currentConfig.EmuOpt,  0x0001, 0, 0, 1 },
1176         { NULL,                        MB_NONE,  MA_OPT_CONFIRM_STATES,NULL, 0, 0, 0, 1 },
1177         { "Save slot",                 MB_RANGE, MA_OPT_SAVE_SLOT,     &state_slot, 0, 0, 9, 1 },
1178         { NULL,                        MB_NONE,  MA_OPT_CPU_CLOCKS,    NULL, 0, 0, 0, 1 },
1179         { "[Display options]",         MB_NONE,  MA_OPT_DISP_OPTS,     NULL, 0, 0, 0, 1 },
1180         { "[Sega/Mega CD options]",    MB_NONE,  MA_OPT_SCD_OPTS,      NULL, 0, 0, 0, 1 },
1181         { "[Advanced options]",        MB_NONE,  MA_OPT_ADV_OPTS,      NULL, 0, 0, 0, 1 },
1182         { NULL,                        MB_NONE,  MA_OPT_SAVECFG,       NULL, 0, 0, 0, 1 },
1183         { "Save cfg for current game only",MB_NONE,MA_OPT_SAVECFG_GAME,NULL, 0, 0, 0, 1 },
1184         { NULL,                        MB_NONE,  MA_OPT_LOADCFG,       NULL, 0, 0, 0, 1 },
1185 };
1186
1187 #define OPT_ENTRY_COUNT (sizeof(opt_entries) / sizeof(opt_entries[0]))
1188
1189
1190 static const char *region_name(unsigned int code)
1191 {
1192         static const char *names[] = { "Auto", "      Japan NTSC", "      Japan PAL", "      USA", "      Europe" };
1193         static const char *names_short[] = { "", " JP", " JP", " US", " EU" };
1194         int u, i = 0;
1195         if (code) {
1196                 code <<= 1;
1197                 while((code >>= 1)) i++;
1198                 if (i > 4) return "unknown";
1199                 return names[i];
1200         } else {
1201                 static char name[24];
1202                 strcpy(name, "Auto:");
1203                 for (u = 0; u < 3; u++) {
1204                         i = 0; code = ((PicoAutoRgnOrder >> u*4) & 0xf) << 1;
1205                         while((code >>= 1)) i++;
1206                         strcat(name, names_short[i]);
1207                 }
1208                 return name;
1209         }
1210 }
1211
1212
1213 static void menu_opt_cust_draw(const menu_entry *entry, int x, int y, void *param)
1214 {
1215         char *str, str24[24];
1216
1217         switch (entry->id)
1218         {
1219                 case MA_OPT_RENDERER:
1220                         if (currentConfig.PicoOpt&0x10)
1221                                 str = "fast";
1222                         else if (currentConfig.EmuOpt&0x80)
1223                                 str = "accurate";
1224                         else
1225                                 str = " 8bit accurate"; // n/a
1226                         text_out16(x, y, "Renderer:                  %s", str);
1227                         break;
1228                 case MA_OPT_FRAMESKIP:
1229                         if (currentConfig.Frameskip < 0)
1230                              strcpy(str24, "Auto");
1231                         else sprintf(str24, "%i", currentConfig.Frameskip);
1232                         text_out16(x, y, "Frameskip                  %s", str24);
1233                         break;
1234                 case MA_OPT_SOUND_QUALITY:
1235                         str = (currentConfig.PicoOpt&0x08)?"stereo":"mono";
1236                         text_out16(x, y, "Sound Quality:     %5iHz %s", currentConfig.PsndRate, str);
1237                         break;
1238                 case MA_OPT_REGION:
1239                         text_out16(x, y, "Region:              %s", region_name(currentConfig.PicoRegion));
1240                         break;
1241                 case MA_OPT_CONFIRM_STATES:
1242                         switch ((currentConfig.EmuOpt >> 9) & 5) {
1243                                 default: str = "OFF";    break;
1244                                 case 1:  str = "writes"; break;
1245                                 case 4:  str = "loads";  break;
1246                                 case 5:  str = "both";   break;
1247                         }
1248                         text_out16(x, y, "Confirm savestate          %s", str);
1249                         break;
1250                 case MA_OPT_CPU_CLOCKS:
1251                         text_out16(x, y, "CPU/bus clock       %3i/%3iMHz", currentConfig.CPUclock, currentConfig.CPUclock/2);
1252                         break;
1253                 case MA_OPT_SAVECFG:
1254                         str24[0] = 0;
1255                         if (config_slot != 0) sprintf(str24, " (profile: %i)", config_slot);
1256                         text_out16(x, y, "Save cfg as default%s", str24);
1257                         break;
1258                 case MA_OPT_LOADCFG:
1259                         text_out16(x, y, "Load cfg from profile %i", config_slot);
1260                         break;
1261                 default:
1262                         lprintf("%s: unimplemented (%i)\n", __FUNCTION__, entry->id);
1263                         break;
1264         }
1265 }
1266
1267
1268 static void draw_menu_options(int menu_sel)
1269 {
1270         int tl_x = 80+25, tl_y = 16+24;
1271
1272         menu_draw_begin();
1273
1274         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 284);
1275
1276         me_draw(opt_entries, OPT_ENTRY_COUNT, tl_x, tl_y, menu_opt_cust_draw, NULL);
1277
1278         menu_draw_end();
1279 }
1280
1281 static int sndrate_prevnext(int rate, int dir)
1282 {
1283         int i, rates[] = { 11025, 22050, 44100 };
1284
1285         for (i = 0; i < 5; i++)
1286                 if (rates[i] == rate) break;
1287
1288         i += dir ? 1 : -1;
1289         if (i > 2) return dir ? 44100 : 22050;
1290         if (i < 0) return dir ? 22050 : 11025;
1291         return rates[i];
1292 }
1293
1294 static void region_prevnext(int right)
1295 {
1296         // jp_ntsc=1, jp_pal=2, usa=4, eu=8
1297         static int rgn_orders[] = { 0x148, 0x184, 0x814, 0x418, 0x841, 0x481 };
1298         int i;
1299         if (right) {
1300                 if (!currentConfig.PicoRegion) {
1301                         for (i = 0; i < 6; i++)
1302                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;
1303                         if (i < 5) PicoAutoRgnOrder = rgn_orders[i+1];
1304                         else currentConfig.PicoRegion=1;
1305                 }
1306                 else currentConfig.PicoRegion<<=1;
1307                 if (currentConfig.PicoRegion > 8) currentConfig.PicoRegion = 8;
1308         } else {
1309                 if (!currentConfig.PicoRegion) {
1310                         for (i = 0; i < 6; i++)
1311                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;
1312                         if (i > 0) PicoAutoRgnOrder = rgn_orders[i-1];
1313                 }
1314                 else currentConfig.PicoRegion>>=1;
1315         }
1316 }
1317
1318 static void menu_options_save(void)
1319 {
1320         PicoOpt = currentConfig.PicoOpt;
1321         PsndRate = currentConfig.PsndRate;
1322         PicoRegionOverride = currentConfig.PicoRegion;
1323         if (!(PicoOpt & 0x20)) {
1324                 // unbind XYZ MODE, just in case
1325                 unbind_action(0xf00);
1326         }
1327 }
1328
1329 static int menu_loop_options(void)
1330 {
1331         static int menu_sel = 0;
1332         int menu_sel_max, ret;
1333         unsigned long inp = 0;
1334         menu_id selected_id;
1335
1336         currentConfig.PicoOpt = PicoOpt;
1337         currentConfig.PsndRate = PsndRate;
1338         currentConfig.PicoRegion = PicoRegionOverride;
1339
1340         me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_SAVECFG_GAME, rom_data != NULL);
1341         me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_LOADCFG, config_slot != config_slot_current);
1342         menu_sel_max = me_count_enabled(opt_entries, OPT_ENTRY_COUNT) - 1;
1343         if (menu_sel > menu_sel_max) menu_sel = menu_sel_max;
1344
1345         while (1)
1346         {
1347                 draw_menu_options(menu_sel);
1348                 inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_LEFT|BTN_RIGHT|BTN_X|BTN_CIRCLE);
1349                 if (inp & BTN_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }
1350                 if (inp & BTN_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }
1351                 selected_id = me_index2id(opt_entries, OPT_ENTRY_COUNT, menu_sel);
1352                 if (inp & (BTN_LEFT|BTN_RIGHT)) { // multi choise
1353                         if (!me_process(opt_entries, OPT_ENTRY_COUNT, selected_id, (inp&BTN_RIGHT) ? 1 : 0)) {
1354                                 switch (selected_id) {
1355                                         case MA_OPT_RENDERER:
1356                                                 if ((currentConfig.PicoOpt&0x10) || !(currentConfig.EmuOpt &0x80)) {
1357                                                         currentConfig.PicoOpt&= ~0x10;
1358                                                         currentConfig.EmuOpt |=  0x80;
1359                                                 } else {
1360                                                         currentConfig.PicoOpt|=  0x10;
1361                                                         currentConfig.EmuOpt &= ~0x80;
1362                                                 }
1363                                                 break;
1364                                         case MA_OPT_SOUND_QUALITY:
1365                                                 currentConfig.PsndRate = sndrate_prevnext(currentConfig.PsndRate, inp & BTN_RIGHT);
1366                                                 break;
1367                                         case MA_OPT_REGION:
1368                                                 region_prevnext(inp & BTN_RIGHT);
1369                                                 break;
1370                                         case MA_OPT_CONFIRM_STATES: {
1371                                                          int n = ((currentConfig.EmuOpt>>9)&1) | ((currentConfig.EmuOpt>>10)&2);
1372                                                          n += (inp & BTN_LEFT) ? -1 : 1;
1373                                                          if (n < 0) n = 0; else if (n > 3) n = 3;
1374                                                          n |= n << 1; n &= ~2;
1375                                                          currentConfig.EmuOpt &= ~0xa00;
1376                                                          currentConfig.EmuOpt |= n << 9;
1377                                                          break;
1378                                                  }
1379                                         case MA_OPT_SAVE_SLOT:
1380                                                  if (inp & BTN_RIGHT) {
1381                                                          state_slot++; if (state_slot > 9) state_slot = 0;
1382                                                  } else {state_slot--; if (state_slot < 0) state_slot = 9;
1383                                                  }
1384                                                  break;
1385                                         case MA_OPT_CPU_CLOCKS:
1386                                                  while ((inp = psp_pad_read(0)) & (BTN_LEFT|BTN_RIGHT)) {
1387                                                          currentConfig.CPUclock += (inp & BTN_LEFT) ? -1 : 1;
1388                                                          if (currentConfig.CPUclock <  19) currentConfig.CPUclock = 19;
1389                                                          if (currentConfig.CPUclock > 333) currentConfig.CPUclock = 333;
1390                                                          draw_menu_options(menu_sel); // will wait vsync
1391                                                  }
1392                                                  break;
1393                                         case MA_OPT_SAVECFG:
1394                                         case MA_OPT_SAVECFG_GAME:
1395                                         case MA_OPT_LOADCFG:
1396                                                  config_slot += (inp&BTN_RIGHT) ? 1 : -1;
1397                                                  if (config_slot > 9) config_slot = 0;
1398                                                  if (config_slot < 0) config_slot = 9;
1399                                                  me_enable(opt_entries, OPT_ENTRY_COUNT, MA_OPT_LOADCFG, config_slot != config_slot_current);
1400                                                  menu_sel_max = me_count_enabled(opt_entries, OPT_ENTRY_COUNT) - 1;
1401                                                  if (menu_sel > menu_sel_max) menu_sel = menu_sel_max;
1402                                                  break;
1403                                         default:
1404                                                 //lprintf("%s: something unknown selected (%i)\n", __FUNCTION__, selected_id);
1405                                                 break;
1406                                 }
1407                         }
1408                 }
1409                 if (inp & BTN_X) {
1410                         if (!me_process(opt_entries, OPT_ENTRY_COUNT, selected_id, 1))
1411                         {
1412                                 switch (selected_id)
1413                                 {
1414                                         case MA_OPT_DISP_OPTS:
1415                                                 dispmenu_loop_options();
1416                                                 break;
1417                                         case MA_OPT_SCD_OPTS:
1418                                                 cd_menu_loop_options();
1419                                                 if (engineState == PGS_ReloadRom)
1420                                                         return 0; // test BIOS
1421                                                 break;
1422                                         case MA_OPT_ADV_OPTS:
1423                                                 amenu_loop_options();
1424                                                 break;
1425                                         case MA_OPT_SAVECFG: // done (update and write)
1426                                                 menu_options_save();
1427                                                 if (emu_WriteConfig(0)) strcpy(menuErrorMsg, "config saved");
1428                                                 else strcpy(menuErrorMsg, "failed to write config");
1429                                                 return 1;
1430                                         case MA_OPT_SAVECFG_GAME: // done (update and write for current game)
1431                                                 menu_options_save();
1432                                                 if (emu_WriteConfig(1)) strcpy(menuErrorMsg, "config saved");
1433                                                 else strcpy(menuErrorMsg, "failed to write config");
1434                                                 return 1;
1435                                         case MA_OPT_LOADCFG:
1436                                                 ret = emu_ReadConfig(1, 1);
1437                                                 if (!ret) ret = emu_ReadConfig(0, 1);
1438                                                 if (ret)  strcpy(menuErrorMsg, "config loaded");
1439                                                 else      strcpy(menuErrorMsg, "failed to load config");
1440                                                 return 1;
1441                                         default:
1442                                                 //lprintf("%s: something unknown selected (%i)\n", __FUNCTION__, selected_id);
1443                                                 break;
1444                                 }
1445                         }
1446                 }
1447                 if(inp & BTN_CIRCLE) {
1448                         menu_options_save();
1449                         return 0;  // done (update, no write)
1450                 }
1451         }
1452 }
1453
1454 // -------------- credits --------------
1455
1456 static void draw_menu_credits(void)
1457 {
1458         int tl_x = 80+15, tl_y = 16+64, y;
1459         menu_draw_begin();
1460
1461         text_out16(tl_x, 16+20, "PicoDrive v" VERSION " (c) notaz, 2006,2007");
1462
1463         y = tl_y;
1464         text_out16(tl_x, y, "Credits:");
1465         text_out16(tl_x, (y+=10), "Dave: base code of PicoDrive");
1466         text_out16(tl_x, (y+=10), "MAME devs: YM2612 and SN76496 cores");
1467         text_out16(tl_x, (y+=10), "Charles MacDonald: Genesis hw docs");
1468         text_out16(tl_x, (y+=10), "Stephane Dallongeville:");
1469         text_out16(tl_x, (y+=10), "      opensource Gens");
1470         text_out16(tl_x, (y+=10), "Haze: Genesis hw info");
1471         text_out16(tl_x, (y+=10), "ketchupgun: skin design");
1472
1473         menu_draw_end();
1474 }
1475
1476
1477 // -------------- root menu --------------
1478
1479 menu_entry main_entries[] =
1480 {
1481         { "Resume game",        MB_NONE, MA_MAIN_RESUME_GAME, NULL, 0, 0, 0, 0 },
1482         { "Save State",         MB_NONE, MA_MAIN_SAVE_STATE,  NULL, 0, 0, 0, 0 },
1483         { "Load State",         MB_NONE, MA_MAIN_LOAD_STATE,  NULL, 0, 0, 0, 0 },
1484         { "Reset game",         MB_NONE, MA_MAIN_RESET_GAME,  NULL, 0, 0, 0, 0 },
1485         { "Load new ROM/ISO",   MB_NONE, MA_MAIN_LOAD_ROM,    NULL, 0, 0, 0, 1 },
1486         { "Change options",     MB_NONE, MA_MAIN_OPTIONS,     NULL, 0, 0, 0, 1 },
1487         { "Configure controls", MB_NONE, MA_MAIN_CONTROLS,    NULL, 0, 0, 0, 1 },
1488         { "Credits",            MB_NONE, MA_MAIN_CREDITS,     NULL, 0, 0, 0, 1 },
1489         { "Patches / GameGenie",MB_NONE, MA_MAIN_PATCHES,     NULL, 0, 0, 0, 0 },
1490         { "Exit",               MB_NONE, MA_MAIN_EXIT,        NULL, 0, 0, 0, 1 }
1491 };
1492
1493 #define MAIN_ENTRY_COUNT (sizeof(main_entries) / sizeof(main_entries[0]))
1494
1495 static void draw_menu_root(int menu_sel)
1496 {
1497         const int tl_x = 80+70, tl_y = 16+70;
1498
1499         menu_draw_begin();
1500
1501         text_out16(tl_x, 16+20, "PicoDrive v" VERSION);
1502
1503         menu_draw_selection(tl_x - 16, tl_y + menu_sel*10, 146);
1504
1505         me_draw(main_entries, MAIN_ENTRY_COUNT, tl_x, tl_y, NULL, NULL);
1506
1507         // error
1508         if (menuErrorMsg[0])
1509                 text_out16(10, 252, menuErrorMsg);
1510         menu_draw_end();
1511 }
1512
1513
1514 static void menu_loop_root(void)
1515 {
1516         static int menu_sel = 0;
1517         int ret, menu_sel_max;
1518         unsigned long inp = 0;
1519
1520         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_RESUME_GAME, rom_data != NULL);
1521         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_SAVE_STATE,  rom_data != NULL);
1522         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_LOAD_STATE,  rom_data != NULL);
1523         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_RESET_GAME,  rom_data != NULL);
1524         me_enable(main_entries, MAIN_ENTRY_COUNT, MA_MAIN_PATCHES,     PicoPatches != NULL);
1525
1526         menu_sel_max = me_count_enabled(main_entries, MAIN_ENTRY_COUNT) - 1;
1527         if (menu_sel > menu_sel_max) menu_sel = menu_sel_max;
1528
1529         /* make sure action buttons are not pressed on entering menu */
1530         draw_menu_root(menu_sel);
1531
1532         while (psp_pad_read(1) & (BTN_X|BTN_CIRCLE|BTN_SELECT)) psp_msleep(50);
1533
1534         for (;;)
1535         {
1536                 draw_menu_root(menu_sel);
1537                 inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_X|BTN_CIRCLE|BTN_SELECT|BTN_L|BTN_R);
1538                 if(inp & BTN_UP  )  { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }
1539                 if(inp & BTN_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }
1540                 if((inp & (BTN_L|BTN_R)) == (BTN_L|BTN_R)) debug_menu_loop();
1541                 if( inp & (BTN_SELECT|BTN_CIRCLE)) {
1542                         if (rom_data) {
1543                                 while (psp_pad_read(1) & (BTN_SELECT|BTN_CIRCLE)) psp_msleep(50); // wait until released
1544                                 engineState = PGS_Running;
1545                                 break;
1546                         }
1547                 }
1548                 if(inp & BTN_X)  {
1549                         switch (me_index2id(main_entries, MAIN_ENTRY_COUNT, menu_sel))
1550                         {
1551                                 case MA_MAIN_RESUME_GAME:
1552                                         if (rom_data) {
1553                                                 while (psp_pad_read(1) & BTN_X) psp_msleep(50);
1554                                                 engineState = PGS_Running;
1555                                                 return;
1556                                         }
1557                                         break;
1558                                 case MA_MAIN_SAVE_STATE:
1559                                         if (rom_data) {
1560                                                 if(savestate_menu_loop(0))
1561                                                         continue;
1562                                                 engineState = PGS_Running;
1563                                                 return;
1564                                         }
1565                                         break;
1566                                 case MA_MAIN_LOAD_STATE:
1567                                         if (rom_data) {
1568                                                 if(savestate_menu_loop(1))
1569                                                         continue;
1570                                                 engineState = PGS_Running;
1571                                                 return;
1572                                         }
1573                                         break;
1574                                 case MA_MAIN_RESET_GAME:
1575                                         if (rom_data) {
1576                                                 emu_ResetGame();
1577                                                 engineState = PGS_Running;
1578                                                 return;
1579                                         }
1580                                         break;
1581                                 case MA_MAIN_LOAD_ROM:
1582                                 {
1583                                         char curr_path[PATH_MAX], *selfname;
1584                                         FILE *tstf;
1585                                         if ( (tstf = fopen(currentConfig.lastRomFile, "rb")) )
1586                                         {
1587                                                 fclose(tstf);
1588                                                 strcpy(curr_path, currentConfig.lastRomFile);
1589                                         }
1590                                         else
1591                                                 getcwd(curr_path, PATH_MAX);
1592                                         selfname = romsel_loop(curr_path);
1593                                         if (selfname) {
1594                                                 lprintf("selected file: %s\n", selfname);
1595                                                 engineState = PGS_ReloadRom;
1596                                                 return;
1597                                         }
1598                                         break;
1599                                 }
1600                                 case MA_MAIN_OPTIONS:
1601                                         ret = menu_loop_options();
1602                                         if (ret == 1) continue; // status update
1603                                         if (engineState == PGS_ReloadRom)
1604                                                 return; // BIOS test
1605                                         break;
1606                                 case MA_MAIN_CONTROLS:
1607                                         kc_sel_loop();
1608                                         break;
1609                                 case MA_MAIN_CREDITS:
1610                                         draw_menu_credits();
1611                                         psp_msleep(500);
1612                                         inp = wait_for_input(BTN_X|BTN_CIRCLE);
1613                                         break;
1614                                 case MA_MAIN_EXIT:
1615                                         engineState = PGS_Quit;
1616                                         return;
1617                                 case MA_MAIN_PATCHES:
1618                                         if (rom_data && PicoPatches) {
1619                                                 patches_menu_loop();
1620                                                 PicoPatchApply();
1621                                                 strcpy(menuErrorMsg, "Patches applied");
1622                                                 continue;
1623                                         }
1624                                         break;
1625                                 default:
1626                                         lprintf("%s: something unknown selected\n", __FUNCTION__);
1627                                         break;
1628                         }
1629                 }
1630                 menuErrorMsg[0] = 0; // clear error msg
1631         }
1632 }
1633
1634 // warning: alignment
1635 static void menu_darken_bg(void *dst, const void *src, int pixels, int darker)
1636 {
1637         unsigned int *dest = dst;
1638         const unsigned int *srce = src;
1639         pixels /= 2;
1640         if (darker)
1641         {
1642                 while (pixels--)
1643                 {
1644                         unsigned int p = *srce++;
1645                         *dest++ = ((p&0xf79ef79e)>>1) - ((p&0xc618c618)>>3);
1646                 }
1647         }
1648         else
1649         {
1650                 while (pixels--)
1651                 {
1652                         unsigned int p = *srce++;
1653                         *dest++ = (p&0xf79ef79e)>>1;
1654                 }
1655         }
1656 }
1657
1658 static void menu_prepare_bg(int use_game_bg, int use_fg)
1659 {
1660         if (use_game_bg)
1661         {
1662                 // darken the active framebuffer
1663                 unsigned short *dst = bg_buffer;
1664                 unsigned short *src = use_fg ? psp_video_get_active_fb() : psp_screen;
1665                 int i;
1666                 for (i = 272; i > 0; i--, dst += 480, src += 512)
1667                         menu_darken_bg(dst, src, 480, 1);
1668                 //memset32((int *)(bg_buffer + 480*264), 0, 480*8*2/4);
1669         }
1670         else
1671         {
1672                 // should really only happen once, on startup..
1673                 memset32((int *)(void *)bg_buffer, 0, sizeof(bg_buffer)/4);
1674                 readpng(bg_buffer, "skin/background.png", READPNG_BG);
1675         }
1676         sceKernelDcacheWritebackAll();
1677 }
1678
1679 static void menu_gfx_prepare(void)
1680 {
1681         menu_prepare_bg(rom_data != NULL, 1);
1682
1683         menu_draw_begin();
1684         menu_draw_end();
1685 }
1686
1687
1688 void menu_loop(void)
1689 {
1690         menu_gfx_prepare();
1691
1692         menu_loop_root();
1693
1694         menuErrorMsg[0] = 0;
1695 }
1696
1697
1698 // --------- CD tray close menu ----------
1699
1700 static void draw_menu_tray(int menu_sel)
1701 {
1702         int tl_x = 70, tl_y = 90, y;
1703
1704         menu_draw_begin();
1705
1706         text_out16(tl_x, 20, "The unit is about to");
1707         text_out16(tl_x, 30, "close the CD tray.");
1708
1709         y = tl_y;
1710         text_out16(tl_x, y,       "Load new CD image");
1711         text_out16(tl_x, (y+=10), "Insert nothing");
1712
1713         // draw cursor
1714         text_out16(tl_x - 16, tl_y + menu_sel*10, ">");
1715         // error
1716         if (menuErrorMsg[0]) text_out16(5, 226, menuErrorMsg);
1717         menu_draw_end();
1718 }
1719
1720
1721 int menu_loop_tray(void)
1722 {
1723         int menu_sel = 0, menu_sel_max = 1;
1724         unsigned long inp = 0;
1725         char curr_path[PATH_MAX], *selfname;
1726         FILE *tstf;
1727
1728         menu_gfx_prepare();
1729
1730         if ( (tstf = fopen(currentConfig.lastRomFile, "rb")) )
1731         {
1732                 fclose(tstf);
1733                 strcpy(curr_path, currentConfig.lastRomFile);
1734         }
1735         else
1736         {
1737                 getcwd(curr_path, PATH_MAX);
1738         }
1739
1740         /* make sure action buttons are not pressed on entering menu */
1741         draw_menu_tray(menu_sel);
1742         while (psp_pad_read(1) & BTN_X) psp_msleep(50);
1743
1744         for (;;)
1745         {
1746                 draw_menu_tray(menu_sel);
1747                 inp = wait_for_input(BTN_UP|BTN_DOWN|BTN_X);
1748                 if(inp & BTN_UP  )  { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }
1749                 if(inp & BTN_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }
1750                 if(inp & BTN_X   )  {
1751                         switch (menu_sel) {
1752                                 case 0: // select image
1753                                         selfname = romsel_loop(curr_path);
1754                                         if (selfname) {
1755                                                 int ret = -1, cd_type;
1756                                                 cd_type = emu_cdCheck(NULL);
1757                                                 if (cd_type > 0)
1758                                                         ret = Insert_CD(romFileName, cd_type == 2);
1759                                                 if (ret != 0) {
1760                                                         sprintf(menuErrorMsg, "Load failed, invalid CD image?");
1761                                                         lprintf("%s\n", menuErrorMsg);
1762                                                         continue;
1763                                                 }
1764                                                 engineState = PGS_RestartRun;
1765                                                 return 1;
1766                                         }
1767                                         break;
1768                                 case 1: // insert nothing
1769                                         engineState = PGS_RestartRun;
1770                                         return 0;
1771                         }
1772                 }
1773                 menuErrorMsg[0] = 0; // clear error msg
1774         }
1775 }
1776
1777