savestate loader in menu
[libpicofe.git] / gp2x / menu.c
1 // (c) Copyright 2006 notaz, All rights reserved.\r
2 // Free for non-commercial use.\r
3 \r
4 // For commercial use, separate licencing terms must be obtained.\r
5 \r
6 #include <stdio.h>\r
7 #include <string.h>\r
8 #include <stdlib.h>\r
9 #include <stdarg.h>\r
10 #include <unistd.h>\r
11 #include <dirent.h>\r
12 \r
13 #include "gp2x.h"\r
14 #include "emu.h"\r
15 #include "menu.h"\r
16 #include "fonts.h"\r
17 #include "usbjoy.h"\r
18 #include "version.h"\r
19 \r
20 #include "Pico/PicoInt.h"\r
21 #include "zlib/zlib.h"\r
22 \r
23 #ifndef _DIRENT_HAVE_D_TYPE\r
24 #error "need d_type for file browser\r
25 #endif\r
26 \r
27 extern char *actionNames[];\r
28 extern char romFileName[PATH_MAX];\r
29 extern char *rom_data;\r
30 extern int  mmuhack_status;\r
31 extern int  state_slot;\r
32 \r
33 static char *gp2xKeyNames[] = {\r
34         "UP",    "???",    "LEFT", "???",  "DOWN", "???", "RIGHT",    "???",\r
35         "START", "SELECT", "L",    "R",    "A",    "B",   "X",        "Y",\r
36         "???",   "???",    "???",  "???",  "???",  "???", "VOL DOWN", "VOL UP",\r
37         "???",   "???",    "???",  "PUSH", "???",  "???", "???",      "???"\r
38 };\r
39 \r
40 char menuErrorMsg[40] = {0, };\r
41 \r
42 \r
43 static void gp2x_text(unsigned char *screen, int x, int y, const char *text, int color)\r
44 {\r
45         int i,l;\r
46 \r
47         screen = screen + x + y*320;\r
48 \r
49         for (i = 0; i < strlen(text); i++)\r
50         {\r
51                 for (l=0;l<8;l++)\r
52                 {\r
53                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=color;\r
54                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=color;\r
55                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=color;\r
56                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=color;\r
57                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=color;\r
58                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=color;\r
59                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=color;\r
60                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=color;\r
61                 }\r
62                 screen += 8;\r
63         }\r
64 }\r
65 \r
66 // draws white text to current bbp15 screen\r
67 void gp2x_text_out15(int x, int y, const char *text)\r
68 {\r
69         int i,l;\r
70         unsigned short *screen = gp2x_screen;\r
71 \r
72         screen = screen + x + y*320;\r
73 \r
74         for (i = 0; i < strlen(text); i++)\r
75         {\r
76                 for (l=0;l<8;l++)\r
77                 {\r
78                         if(fontdata8x8[((text[i])*8)+l]&0x80) screen[l*320+0]=0xffff;\r
79                         if(fontdata8x8[((text[i])*8)+l]&0x40) screen[l*320+1]=0xffff;\r
80                         if(fontdata8x8[((text[i])*8)+l]&0x20) screen[l*320+2]=0xffff;\r
81                         if(fontdata8x8[((text[i])*8)+l]&0x10) screen[l*320+3]=0xffff;\r
82                         if(fontdata8x8[((text[i])*8)+l]&0x08) screen[l*320+4]=0xffff;\r
83                         if(fontdata8x8[((text[i])*8)+l]&0x04) screen[l*320+5]=0xffff;\r
84                         if(fontdata8x8[((text[i])*8)+l]&0x02) screen[l*320+6]=0xffff;\r
85                         if(fontdata8x8[((text[i])*8)+l]&0x01) screen[l*320+7]=0xffff;\r
86                 }\r
87                 screen += 8;\r
88         }\r
89 }\r
90 \r
91 \r
92 void gp2x_text_out8(int x, int y, const char *texto, ...)\r
93 {\r
94         va_list args;\r
95         char    buffer[512];\r
96 \r
97         va_start(args,texto);\r
98         vsprintf(buffer,texto,args);\r
99         va_end(args);\r
100 \r
101         gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
102 }\r
103 \r
104 \r
105 void gp2x_text_out8_2(int x, int y, const char *texto, int color)\r
106 {\r
107         gp2x_text(gp2x_screen, x, y, texto, color);\r
108 }\r
109 \r
110 void gp2x_text_out8_lim(int x, int y, const char *texto, int max)\r
111 {\r
112         char    buffer[320/8+1];\r
113 \r
114         strncpy(buffer, texto, 320/8);\r
115         if (max > 320/8) max = 320/8;\r
116         if (max < 0) max = 0;\r
117         buffer[max] = 0;\r
118 \r
119         gp2x_text(gp2x_screen,x,y,buffer,0xf0);\r
120 }\r
121 \r
122 static void gp2x_smalltext8(int x, int y, const char *texto)\r
123 {\r
124         int i;\r
125         unsigned char *src, *dst;\r
126 \r
127         for (i = 0;; i++, x += 6)\r
128         {\r
129                 unsigned char c = (unsigned char) texto[i];\r
130                 int h = 8;\r
131 \r
132                 if (!c) break;\r
133 \r
134                 src = fontdata6x8[c];\r
135                 dst = (unsigned char *)gp2x_screen + x + y*320;\r
136 \r
137                 while (h--)\r
138                 {\r
139                         int w = 0x20;\r
140                         while (w)\r
141                         {\r
142                                 if( *src & w ) *dst = 0xf0;\r
143                                 dst++;\r
144                                 w>>=1;\r
145                         }\r
146                         src++;\r
147 \r
148                         dst += 320-6;\r
149                 }\r
150         }\r
151 }\r
152 \r
153 static void gp2x_smalltext8_lim(int x, int y, const char *texto, int max)\r
154 {\r
155         char    buffer[320/6+1];\r
156 \r
157         strncpy(buffer, texto, 320/6);\r
158         if (max > 320/6) max = 320/6;\r
159         if (max < 0) max = 0;\r
160         buffer[max] = 0;\r
161 \r
162         gp2x_smalltext8(x, y, buffer);\r
163 }\r
164 \r
165 \r
166 static unsigned long inp_prev = 0;\r
167 static int inp_prevjoy = 0;\r
168 \r
169 static unsigned long wait_for_input(unsigned long interesting)\r
170 {\r
171         unsigned long ret;\r
172         static int repeats = 0, wait = 300*1000;\r
173         int release = 0, i;\r
174 \r
175         if (repeats == 5 || repeats == 15 || repeats == 30) wait /= 2;\r
176 \r
177         for (i = 0; i < 6 && inp_prev == gp2x_joystick_read(1); i++) {\r
178                 if(i == 0) repeats++;\r
179                 usleep(wait/6);\r
180         }\r
181 \r
182         while ( !((ret = gp2x_joystick_read(1)) & interesting) ) {\r
183                 usleep(50000);\r
184                 release = 1;\r
185         }\r
186 \r
187         if (release || ret != inp_prev) {\r
188                 repeats = 0;\r
189                 wait = 300*1000;\r
190         }\r
191         inp_prev = ret;\r
192         inp_prevjoy = 0;\r
193 \r
194         // we don't need diagonals in menus\r
195         if ((ret&GP2X_UP)   && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
196         if ((ret&GP2X_UP)   && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
197         if ((ret&GP2X_DOWN) && (ret&GP2X_LEFT))  ret &= ~GP2X_LEFT;\r
198         if ((ret&GP2X_DOWN) && (ret&GP2X_RIGHT)) ret &= ~GP2X_RIGHT;\r
199 \r
200         return ret;\r
201 }\r
202 \r
203 static unsigned long input2_read(unsigned long interesting, int *joy)\r
204 {\r
205         unsigned long ret;\r
206         int i;\r
207 \r
208         do\r
209         {\r
210                 *joy = 0;\r
211                 if ((ret = gp2x_joystick_read(0) & interesting)) break;\r
212                 gp2x_usbjoy_update();\r
213                 for (i = 0; i < num_of_joys; i++) {\r
214                         ret = gp2x_usbjoy_check2(i);\r
215                         if (ret) { *joy = i + 1; break; }\r
216                 }\r
217                 if (ret) break;\r
218         }\r
219         while(0);\r
220 \r
221         return ret;\r
222 }\r
223 \r
224 // similar to wait_for_input(), but returns joy num\r
225 static unsigned long wait_for_input_usbjoy(unsigned long interesting, int *joy)\r
226 {\r
227         unsigned long ret;\r
228         const int wait = 300*1000;\r
229         int i;\r
230 \r
231         if (inp_prevjoy == 0) inp_prev &= interesting;\r
232         for (i = 0; i < 6; i++) {\r
233                 ret = input2_read(interesting, joy);\r
234                 if (*joy != inp_prevjoy || ret != inp_prev) break;\r
235                 usleep(wait/6);\r
236         }\r
237 \r
238         while ( !(ret = input2_read(interesting, joy)) ) {\r
239                 usleep(50000);\r
240         }\r
241 \r
242         inp_prev = ret;\r
243         inp_prevjoy = *joy;\r
244 \r
245         return ret;\r
246 }\r
247 \r
248 \r
249 \r
250 // -------------- ROM selector --------------\r
251 \r
252 static void draw_dirlist(char *curdir, struct dirent **namelist, int n, int sel)\r
253 {\r
254         int start, i, pos;\r
255 \r
256         start = 12 - sel;\r
257         n--; // exclude current dir (".")\r
258 \r
259         //memset(gp2x_screen, 0, 320*240);\r
260         gp2x_pd_clone_buffer2();\r
261 \r
262         if(start - 2 >= 0)\r
263                 gp2x_smalltext8_lim(14, (start - 2)*10, curdir, 53-2);\r
264         for (i = 0; i < n; i++) {\r
265                 pos = start + i;\r
266                 if (pos < 0)  continue;\r
267                 if (pos > 23) break;\r
268                 if (namelist[i+1]->d_type == DT_DIR) {\r
269                         gp2x_smalltext8_lim(14,   pos*10, "/", 1);\r
270                         gp2x_smalltext8_lim(14+6, pos*10, namelist[i+1]->d_name, 53-3);\r
271                 } else {\r
272                         gp2x_smalltext8_lim(14,   pos*10, namelist[i+1]->d_name, 53-2);\r
273                 }\r
274         }\r
275         gp2x_text_out8(5, 120, ">");\r
276         gp2x_video_flip2();\r
277 }\r
278 \r
279 static int scandir_cmp(const void *p1, const void *p2)\r
280 {\r
281         struct dirent **d1 = (struct dirent **)p1, **d2 = (struct dirent **)p2;\r
282         if ((*d1)->d_type == (*d2)->d_type) return alphasort(d1, d2);\r
283         if ((*d1)->d_type == DT_DIR) return -1; // put before\r
284         if ((*d2)->d_type == DT_DIR) return  1;\r
285         return alphasort(d1, d2);\r
286 }\r
287 \r
288 \r
289 static char *romsel_loop(char *curr_path)\r
290 {\r
291         struct dirent **namelist;\r
292         DIR *dir;\r
293         int n, sel = 0;\r
294         unsigned long inp = 0;\r
295         char *ret = NULL, *fname = NULL;\r
296 \r
297         // is this a dir or a full path?\r
298         if ((dir = opendir(curr_path))) {\r
299                 closedir(dir);\r
300         } else {\r
301                 char *p;\r
302                 for (p = curr_path + strlen(curr_path) - 1; p > curr_path && *p != '/'; p--);\r
303                 *p = 0;\r
304                 fname = p+1;\r
305         }\r
306 \r
307         n = scandir(curr_path, &namelist, 0, scandir_cmp);\r
308         if (n < 0) {\r
309                 // try root\r
310                 n = scandir(curr_path, &namelist, 0, scandir_cmp);\r
311                 if (n < 0) {\r
312                         // oops, we failed\r
313                         printf("dir: "); printf(curr_path); printf("\n");\r
314                         perror("scandir");\r
315                         return NULL;\r
316                 }\r
317         }\r
318 \r
319         // try to find sel\r
320         if (fname != NULL) {\r
321                 int i;\r
322                 for (i = 1; i < n; i++) {\r
323                         if (strcmp(namelist[i]->d_name, fname) == 0) {\r
324                                 sel = i - 1;\r
325                                 break;\r
326                         }\r
327                 }\r
328         }\r
329 \r
330         for (;;)\r
331         {\r
332                 draw_dirlist(curr_path, namelist, n, sel);\r
333                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_L|GP2X_R|GP2X_B|GP2X_X);\r
334                 if(inp & GP2X_UP  )  { sel--;   if (sel < 0)   sel = n-2; }\r
335                 if(inp & GP2X_DOWN)  { sel++;   if (sel > n-2) sel = 0; }\r
336                 if(inp &(GP2X_LEFT|GP2X_L))  { sel-=10; if (sel < 0)   sel = 0; }\r
337                 if(inp &(GP2X_RIGHT|GP2X_R)) { sel+=10; if (sel > n-2) sel = n-2; }\r
338                 if(inp & GP2X_B)     { // enter dir/select\r
339                         again:\r
340                         if (namelist[sel+1]->d_type == DT_REG) {\r
341                                 strcpy(romFileName, curr_path);\r
342                                 strcat(romFileName, "/");\r
343                                 strcat(romFileName, namelist[sel+1]->d_name);\r
344                                 ret = romFileName;\r
345                                 break;\r
346                         } else if (namelist[sel+1]->d_type == DT_DIR) {\r
347                                 int newlen = strlen(curr_path) + strlen(namelist[sel+1]->d_name) + 2;\r
348                                 char *p, *newdir = malloc(newlen);\r
349                                 if (strcmp(namelist[sel+1]->d_name, "..") == 0) {\r
350                                         char *start = curr_path;\r
351                                         p = start + strlen(start) - 1;\r
352                                         while (*p == '/' && p > start) p--;\r
353                                         while (*p != '/' && p > start) p--;\r
354                                         if (p <= start) strcpy(newdir, "/");\r
355                                         else { strncpy(newdir, start, p-start); newdir[p-start] = 0; }\r
356                                 } else {\r
357                                         strcpy(newdir, curr_path);\r
358                                         p = newdir + strlen(newdir) - 1;\r
359                                         while (*p == '/' && p >= newdir) *p-- = 0;\r
360                                         strcat(newdir, "/");\r
361                                         strcat(newdir, namelist[sel+1]->d_name);\r
362                                 }\r
363                                 ret = romsel_loop(newdir);\r
364                                 free(newdir);\r
365                                 break;\r
366                         } else {\r
367                                 // unknown file type, happens on NTFS mounts. Try to guess.\r
368                                 FILE *tstf; int tmp;\r
369                                 strcpy(romFileName, curr_path);\r
370                                 strcat(romFileName, "/");\r
371                                 strcat(romFileName, namelist[sel+1]->d_name);\r
372                                 tstf = fopen(romFileName, "rb");\r
373                                 if (tstf != NULL)\r
374                                 {\r
375                                         if (fread(&tmp, 1, 1, tstf) > 0 || ferror(tstf) == 0)\r
376                                                 namelist[sel+1]->d_type = DT_REG;\r
377                                         else    namelist[sel+1]->d_type = DT_DIR;\r
378                                         fclose(tstf);\r
379                                         goto again;\r
380                                 }\r
381                         }\r
382                 }\r
383                 if(inp & GP2X_X) break; // cancel\r
384         }\r
385 \r
386         if (n > 0) {\r
387                 while(n--) free(namelist[n]);\r
388                 free(namelist);\r
389         }\r
390 \r
391         return ret;\r
392 }\r
393 \r
394 // ------------ savestate loader ------------\r
395 \r
396 static void menu_prepare_bg(void);\r
397 \r
398 static int state_slot_flags = 0;\r
399 \r
400 static void state_check_slots(void)\r
401 {\r
402         int slot;\r
403 \r
404         state_slot_flags = 0;\r
405 \r
406         for (slot = 0; slot < 10; slot++)\r
407         {\r
408                 if (emu_check_save_file(slot))\r
409                 {\r
410                         state_slot_flags |= 1 << slot;\r
411                 }\r
412         }\r
413 }\r
414 \r
415 static void draw_savestate_bg(int slot)\r
416 {\r
417         struct PicoVideo tmp_pv;\r
418         unsigned short tmp_cram[0x40];\r
419         unsigned short tmp_vsram[0x40];\r
420         void *tmp_vram, *file;\r
421         char *fname;\r
422 \r
423         fname = emu_GetSaveFName(1, 0, slot);\r
424         if (!fname) return;\r
425 \r
426         tmp_vram = malloc(sizeof(Pico.vram));\r
427         if (tmp_vram == NULL) return;\r
428 \r
429         memcpy(tmp_vram, Pico.vram, sizeof(Pico.vram));\r
430         memcpy(tmp_cram, Pico.cram, sizeof(Pico.cram));\r
431         memcpy(tmp_vsram, Pico.vsram, sizeof(Pico.vsram));\r
432         memcpy(&tmp_pv, &Pico.video, sizeof(Pico.video));\r
433 \r
434         if (strcmp(fname + strlen(fname) - 3, ".gz") == 0) {\r
435                 file = gzopen(fname, "rb");\r
436                 emu_set_save_cbs(1);\r
437         } else {\r
438                 file = fopen(fname, "rb");\r
439                 emu_set_save_cbs(0);\r
440         }\r
441 \r
442         if (file) {\r
443                 if (PicoMCD & 1) {\r
444                         PicoCdLoadStateGfx(file);\r
445                 } else {\r
446                         areaSeek(file, 0x10020, SEEK_SET);  // skip header and RAM in state file\r
447                         areaRead(Pico.vram, 1, sizeof(Pico.vram), file);\r
448                         areaSeek(file, 0x2000, SEEK_CUR);\r
449                         areaRead(Pico.cram, 1, sizeof(Pico.cram), file);\r
450                         areaRead(Pico.vsram, 1, sizeof(Pico.vsram), file);\r
451                         areaSeek(file, 0x221a0, SEEK_SET);\r
452                         areaRead(&Pico.video, 1, sizeof(Pico.video), file);\r
453                 }\r
454                 areaClose(file);\r
455         }\r
456 \r
457         emu_forced_frame();\r
458         gp2x_memcpy_buffers((1<<2), gp2x_screen, 0, 320*240*2);\r
459         menu_prepare_bg();\r
460 \r
461         memcpy(Pico.vram, tmp_vram, sizeof(Pico.vram));\r
462         memcpy(Pico.cram, tmp_cram, sizeof(Pico.cram));\r
463         memcpy(Pico.vsram, tmp_vsram, sizeof(Pico.vsram));\r
464         memcpy(&Pico.video, &tmp_pv,  sizeof(Pico.video));\r
465         free(tmp_vram);\r
466 }\r
467 \r
468 static void draw_savestate_menu(int menu_sel, int is_loading)\r
469 {\r
470         int tl_x = 25, tl_y = 60, y, i;\r
471 \r
472         if (state_slot_flags & (1 << menu_sel))\r
473                 draw_savestate_bg(menu_sel);\r
474         gp2x_pd_clone_buffer2();\r
475 \r
476         gp2x_text_out8(tl_x, 30, is_loading ? "Load state" : "Save state");\r
477 \r
478         /* draw all 10 slots */\r
479         y = tl_y;\r
480         for (i = 0; i < 10; i++, y+=10)\r
481         {\r
482                 gp2x_text_out8(tl_x, y, "SLOT %i (%s)", i, (state_slot_flags & (1 << i)) ? "USED" : "free");\r
483         }\r
484         gp2x_text_out8(tl_x, y, "back");\r
485 \r
486         // draw cursor\r
487         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
488 \r
489         gp2x_video_flip2();\r
490 }\r
491 \r
492 static int savestate_menu_loop(int is_loading)\r
493 {\r
494         int menu_sel = 10, menu_sel_max = 10;\r
495         unsigned long inp = 0;\r
496 \r
497         state_check_slots();\r
498 \r
499         for(;;)\r
500         {\r
501                 draw_savestate_menu(menu_sel, is_loading);\r
502                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
503                 if(inp & GP2X_UP  ) {\r
504                         do {\r
505                                 menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max;\r
506                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
507                 }\r
508                 if(inp & GP2X_DOWN) {\r
509                         do {\r
510                                 menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0;\r
511                         } while (!(state_slot_flags & (1 << menu_sel)) && menu_sel != menu_sel_max && is_loading);\r
512                 }\r
513                 if(inp & GP2X_B) { // save/load\r
514                         if (menu_sel < 10) {\r
515                                 state_slot = menu_sel;\r
516                                 if (emu_SaveLoadGame(is_loading, 0)) {\r
517                                         strcpy(menuErrorMsg, is_loading ? "Load failed" : "Save failed");\r
518                                         return 1;\r
519                                 }\r
520                                 return 0;\r
521                         } else  return 1;\r
522                 }\r
523                 if(inp & GP2X_X) return 1;\r
524         }\r
525 }\r
526 \r
527 // -------------- key config --------------\r
528 \r
529 static char *usb_joy_key_name(int joy, int num)\r
530 {\r
531         static char name[16];\r
532         switch (num)\r
533         {\r
534                 case 0: sprintf(name, "Joy%i UP", joy); break;\r
535                 case 1: sprintf(name, "Joy%i DOWN", joy); break;\r
536                 case 2: sprintf(name, "Joy%i LEFT", joy); break;\r
537                 case 3: sprintf(name, "Joy%i RIGHT", joy); break;\r
538                 default:sprintf(name, "Joy%i b%i", joy, num-3); break;\r
539         }\r
540         return name;\r
541 }\r
542 \r
543 static void draw_key_config(int curr_act, int is_p2)\r
544 {\r
545         char strkeys[32*5];\r
546         int joy, i;\r
547 \r
548         strkeys[0] = 0;\r
549         for (i = 0; i < 32; i++)\r
550         {\r
551                 if (currentConfig.KeyBinds[i] & (1 << curr_act))\r
552                 {\r
553                         if (curr_act < 16 && (currentConfig.KeyBinds[i] & (1 << 16)) != (is_p2 << 16)) continue;\r
554                         if (strkeys[0]) { strcat(strkeys, " + "); strcat(strkeys, gp2xKeyNames[i]); break; }\r
555                         else strcpy(strkeys, gp2xKeyNames[i]);\r
556                 }\r
557         }\r
558         for (joy = 0; joy < num_of_joys; joy++)\r
559         {\r
560                 for (i = 0; i < 32; i++)\r
561                 {\r
562                         if (currentConfig.JoyBinds[joy][i] & (1 << curr_act))\r
563                         {\r
564                                 if (curr_act < 16 && (currentConfig.JoyBinds[joy][i] & (1 << 16)) != (is_p2 << 16)) continue;\r
565                                 if (strkeys[0]) {\r
566                                         strcat(strkeys, ", "); strcat(strkeys, usb_joy_key_name(joy + 1, i));\r
567                                         break;\r
568                                 }\r
569                                 else strcpy(strkeys, usb_joy_key_name(joy + 1, i));\r
570                         }\r
571                 }\r
572         }\r
573 \r
574         //memset(gp2x_screen, 0, 320*240);\r
575         gp2x_pd_clone_buffer2();\r
576         gp2x_text_out8(60, 40, "Action: %s", actionNames[curr_act]);\r
577         gp2x_text_out8(60, 60, "Keys: %s", strkeys);\r
578 \r
579         gp2x_text_out8(30, 180, "Use SELECT to change action");\r
580         gp2x_text_out8(30, 190, "Press a key to bind/unbind");\r
581         gp2x_text_out8(30, 200, "Select \"Done\" action and");\r
582         gp2x_text_out8(30, 210, "  press any key to finish");\r
583         gp2x_video_flip2();\r
584 }\r
585 \r
586 static void key_config_loop(int is_p2)\r
587 {\r
588         int curr_act = 0, joy = 0, i;\r
589         unsigned long inp = 0;\r
590 \r
591         for (;;)\r
592         {\r
593                 draw_key_config(curr_act, is_p2);\r
594                 inp = wait_for_input_usbjoy(CONFIGURABLE_KEYS, &joy);\r
595                 // printf("got %08lX from joy %i\n", inp, joy);\r
596                 if (joy == 0) {\r
597                         if (inp & GP2X_SELECT) {\r
598                                 curr_act++;\r
599                                 while (!actionNames[curr_act] && curr_act < 32) curr_act++;\r
600                                 if (curr_act > 31) curr_act = 0;\r
601                         }\r
602                         inp &= CONFIGURABLE_KEYS;\r
603                         inp &= ~GP2X_SELECT;\r
604                 }\r
605                 if (curr_act == 31 && inp) break;\r
606                 if (joy == 0) {\r
607                         for (i = 0; i < 32; i++)\r
608                                 if (inp & (1 << i)) {\r
609                                         currentConfig.KeyBinds[i] ^= (1 << curr_act);\r
610                                         if (is_p2) currentConfig.KeyBinds[i] |=  (1 << 16); // player 2 flag\r
611                                         else       currentConfig.KeyBinds[i] &= ~(1 << 16);\r
612                                 }\r
613                 } else {\r
614                         for (i = 0; i < 32; i++)\r
615                                 if (inp & (1 << i)) {\r
616                                         currentConfig.JoyBinds[joy-1][i] ^= (1 << curr_act);\r
617                                         if (is_p2) currentConfig.JoyBinds[joy-1][i] |=  (1 << 16);\r
618                                         else       currentConfig.JoyBinds[joy-1][i] &= ~(1 << 16);\r
619                                 }\r
620                 }\r
621         }\r
622 }\r
623 \r
624 static void draw_kc_sel(int menu_sel)\r
625 {\r
626         int tl_x = 25+40, tl_y = 60, y, i;\r
627         char joyname[36];\r
628 \r
629         y = tl_y;\r
630         //memset(gp2x_screen, 0, 320*240);\r
631         gp2x_pd_clone_buffer2();\r
632         gp2x_text_out8(tl_x, y,       "Player 1");\r
633         gp2x_text_out8(tl_x, (y+=10), "Player 2");\r
634         gp2x_text_out8(tl_x, (y+=10), "Done");\r
635 \r
636         // draw cursor\r
637         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
638 \r
639         tl_x = 25;\r
640         gp2x_text_out8(tl_x, (y=110), "USB joys detected:");\r
641         if (num_of_joys > 0) {\r
642                 for (i = 0; i < num_of_joys; i++) {\r
643                         strncpy(joyname, joy_name(joys[i]), 33); joyname[33] = 0;\r
644                         gp2x_text_out8(tl_x, (y+=10), "%i: %s", i+1, joyname);\r
645                 }\r
646         } else {\r
647                 gp2x_text_out8(tl_x, (y+=10), "none");\r
648         }\r
649 \r
650 \r
651         gp2x_video_flip2();\r
652 }\r
653 \r
654 static void kc_sel_loop(void)\r
655 {\r
656         int menu_sel = 2, menu_sel_max = 2;\r
657         unsigned long inp = 0;\r
658 \r
659         for(;;)\r
660         {\r
661                 draw_kc_sel(menu_sel);\r
662                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X);\r
663                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
664                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
665                 if(inp & GP2X_B) {\r
666                         switch (menu_sel) {\r
667                                 case 0: key_config_loop(0); return;\r
668                                 case 1: key_config_loop(1); return;\r
669                                 default: return;\r
670                         }\r
671                 }\r
672                 if(inp & GP2X_X) return;\r
673         }\r
674 }\r
675 \r
676 \r
677 \r
678 // --------- sega/mega cd options ----------\r
679 \r
680 static void draw_cd_menu_options(int menu_sel, char *b_us, char *b_eu, char *b_jp)\r
681 {\r
682         int tl_x = 25, tl_y = 60, y;\r
683 \r
684         y = tl_y;\r
685         //memset(gp2x_screen, 0, 320*240);\r
686         gp2x_pd_clone_buffer2();\r
687 \r
688         gp2x_text_out8(tl_x, y,       "USA BIOS:     %s", b_us); // 0\r
689         gp2x_text_out8(tl_x, (y+=10), "EUR BIOS:     %s", b_eu); // 1\r
690         gp2x_text_out8(tl_x, (y+=10), "JAP BIOS:     %s", b_jp); // 2\r
691         gp2x_text_out8(tl_x, (y+=10), "CD LEDs                    %s", (currentConfig.EmuOpt &0x400)?"ON":"OFF"); // 3\r
692         gp2x_text_out8(tl_x, (y+=10), "CDDA audio (using mp3s)    %s", (currentConfig.PicoOpt&0x800)?"ON":"OFF"); // 4\r
693         gp2x_text_out8(tl_x, (y+=10), "PCM audio                  %s", (currentConfig.PicoOpt&0x400)?"ON":"OFF"); // 5\r
694         gp2x_text_out8(tl_x, (y+=10), "Done");\r
695 \r
696         // draw cursor\r
697         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
698 \r
699         if ((menu_sel == 0 && strcmp(b_us, "NOT FOUND")) ||\r
700                 (menu_sel == 1 && strcmp(b_eu, "NOT FOUND")) ||\r
701                 (menu_sel == 2 && strcmp(b_jp, "NOT FOUND")))\r
702                         gp2x_text_out8(tl_x, 220, "Press start to test selected BIOS");\r
703 \r
704         gp2x_video_flip2();\r
705 }\r
706 \r
707 static void cd_menu_loop_options(void)\r
708 {\r
709         int menu_sel = 0, menu_sel_max = 6;\r
710         unsigned long inp = 0;\r
711         char bios_us[32], bios_eu[32], bios_jp[32], *bios, *p;\r
712 \r
713         if (find_bios(4, &bios)) { // US\r
714                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
715                 strncpy(bios_us, p, 31); bios_us[31] = 0;\r
716         } else  strcpy(bios_us, "NOT FOUND");\r
717 \r
718         if (find_bios(8, &bios)) { // EU\r
719                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
720                 strncpy(bios_eu, p, 31); bios_eu[31] = 0;\r
721         } else  strcpy(bios_eu, "NOT FOUND");\r
722 \r
723         if (find_bios(1, &bios)) { // JP\r
724                 for (p = bios+strlen(bios)-1; p > bios && *p != '/'; p--); p++;\r
725                 strncpy(bios_jp, p, 31); bios_jp[31] = 0;\r
726         } else  strcpy(bios_jp, "NOT FOUND");\r
727 \r
728         for(;;)\r
729         {\r
730                 draw_cd_menu_options(menu_sel, bios_us, bios_eu, bios_jp);\r
731                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A|GP2X_START);\r
732                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
733                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
734                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
735                         switch (menu_sel) {\r
736                                 case  3: currentConfig.EmuOpt ^=0x400; break;\r
737                                 case  4: currentConfig.PicoOpt^=0x800; break;\r
738                                 case  5: currentConfig.PicoOpt^=0x400; break;\r
739                                 case  6: return;\r
740                         }\r
741                 }\r
742                 if(inp & (GP2X_X|GP2X_A)) return;\r
743                 if(inp &  GP2X_START) { // BIOS testers\r
744                         switch (menu_sel) {\r
745                                 case 0: if (find_bios(4, &bios)) { // test US\r
746                                                 strcpy(romFileName, bios);\r
747                                                 engineState = PGS_ReloadRom;\r
748                                                 return;\r
749                                         }\r
750                                         break;\r
751                                 case 1: if (find_bios(8, &bios)) { // test EU\r
752                                                 strcpy(romFileName, bios);\r
753                                                 engineState = PGS_ReloadRom;\r
754                                                 return;\r
755                                         }\r
756                                         break;\r
757                                 case 2: if (find_bios(1, &bios)) { // test JP\r
758                                                 strcpy(romFileName, bios);\r
759                                                 engineState = PGS_ReloadRom;\r
760                                                 return;\r
761                                         }\r
762                                         break;\r
763                         }\r
764                 }\r
765         }\r
766 }\r
767 \r
768 \r
769 // --------- advanced options ----------\r
770 \r
771 static void draw_amenu_options(int menu_sel)\r
772 {\r
773         int tl_x = 25, tl_y = 60, y;\r
774         char *mms = mmuhack_status ? "active)  " : "inactive)";\r
775 \r
776         y = tl_y;\r
777         //memset(gp2x_screen, 0, 320*240);\r
778         gp2x_pd_clone_buffer2();\r
779 \r
780         gp2x_text_out8(tl_x, y,       "Scale 32 column mode       %s", (currentConfig.PicoOpt&0x100)?"ON":"OFF"); // 0\r
781         gp2x_text_out8(tl_x, (y+=10), "Gamma correction           %i.%02i", currentConfig.gamma / 100, currentConfig.gamma%100); // 1\r
782         gp2x_text_out8(tl_x, (y+=10), "Emulate Z80                %s", (currentConfig.PicoOpt&0x004)?"ON":"OFF"); // 2\r
783         gp2x_text_out8(tl_x, (y+=10), "Emulate YM2612 (FM)        %s", (currentConfig.PicoOpt&0x001)?"ON":"OFF"); // 3\r
784         gp2x_text_out8(tl_x, (y+=10), "Emulate SN76496 (PSG)      %s", (currentConfig.PicoOpt&0x002)?"ON":"OFF"); // 4\r
785         gp2x_text_out8(tl_x, (y+=10), "gzip savestates            %s", (currentConfig.EmuOpt &0x008)?"ON":"OFF"); // 5\r
786         gp2x_text_out8(tl_x, (y+=10), "Don't save config on exit  %s", (currentConfig.EmuOpt &0x020)?"ON":"OFF"); // 6\r
787         gp2x_text_out8(tl_x, (y+=10), "needs restart:");\r
788         gp2x_text_out8(tl_x, (y+=10), "craigix's RAM timings      %s", (currentConfig.EmuOpt &0x100)?"ON":"OFF"); // 8\r
789         gp2x_text_out8(tl_x, (y+=10), "squidgehack (now %s %s",   mms, (currentConfig.EmuOpt &0x010)?"ON":"OFF"); // 9\r
790         gp2x_text_out8(tl_x, (y+=10), "Done");\r
791 \r
792         // draw cursor\r
793         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
794 \r
795         gp2x_video_flip2();\r
796 }\r
797 \r
798 static void amenu_loop_options(void)\r
799 {\r
800         int menu_sel = 0, menu_sel_max = 10;\r
801         unsigned long inp = 0;\r
802 \r
803         for(;;)\r
804         {\r
805                 draw_amenu_options(menu_sel);\r
806                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
807                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
808                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
809                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
810                         switch (menu_sel) {\r
811                                 case  0: currentConfig.PicoOpt^=0x100; break;\r
812                                 case  2: currentConfig.PicoOpt^=0x004; break;\r
813                                 case  3: currentConfig.PicoOpt^=0x001; break;\r
814                                 case  4: currentConfig.PicoOpt^=0x002; break;\r
815                                 case  5: currentConfig.EmuOpt ^=0x008; break;\r
816                                 case  6: currentConfig.EmuOpt ^=0x020; break;\r
817                                 case  8: currentConfig.EmuOpt ^=0x100; break;\r
818                                 case  9: currentConfig.EmuOpt ^=0x010; break;\r
819                                 case 10: return;\r
820                         }\r
821                 }\r
822                 if(inp & (GP2X_X|GP2X_A)) return;\r
823                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
824                         switch (menu_sel) {\r
825                                 case 1:\r
826                                         while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
827                                                 currentConfig.gamma += (inp & GP2X_LEFT) ? -1 : 1;\r
828                                                 if (currentConfig.gamma <   1) currentConfig.gamma =   1;\r
829                                                 if (currentConfig.gamma > 300) currentConfig.gamma = 300;\r
830                                                 draw_amenu_options(menu_sel);\r
831                                                 usleep(18*1000);\r
832                                         }\r
833                                         break;\r
834                         }\r
835                 }\r
836         }\r
837 }\r
838 \r
839 // -------------- options --------------\r
840 \r
841 static const char *region_name(unsigned int code)\r
842 {\r
843         static const char *names[] = { "Auto", "      Japan NTSC", "      Japan PAL", "      USA", "      Europe" };\r
844         static const char *names_short[] = { "", " JP", " JP", " US", " EU" };\r
845         int u, i = 0;\r
846         if (code) {\r
847                 code <<= 1;\r
848                 while((code >>= 1)) i++;\r
849                 if (i > 4) return "unknown";\r
850                 return names[i];\r
851         } else {\r
852                 static char name[24];\r
853                 strcpy(name, "Auto:");\r
854                 for (u = 0; u < 3; u++) {\r
855                         i = 0; code = ((PicoAutoRgnOrder >> u*4) & 0xf) << 1;\r
856                         while((code >>= 1)) i++;\r
857                         strcat(name, names_short[i]);\r
858                 }\r
859                 return name;\r
860         }\r
861 }\r
862 \r
863 static void draw_menu_options(int menu_sel)\r
864 {\r
865         int tl_x = 25, tl_y = 40, y;\r
866         char monostereo[8], strframeskip[8], *strrend;\r
867 \r
868         strcpy(monostereo, (currentConfig.PicoOpt&0x08)?"stereo":"mono");\r
869         if (currentConfig.Frameskip < 0)\r
870                  strcpy(strframeskip, "Auto");\r
871         else sprintf(strframeskip, "%i", currentConfig.Frameskip);\r
872         if (currentConfig.PicoOpt&0x10) {\r
873                 strrend = " 8bit fast";\r
874         } else if (currentConfig.EmuOpt&0x80) {\r
875                 strrend = "16bit accurate";\r
876         } else {\r
877                 strrend = " 8bit accurate";\r
878         }\r
879 \r
880         y = tl_y;\r
881         //memset(gp2x_screen, 0, 320*240);\r
882         gp2x_pd_clone_buffer2();\r
883 \r
884         gp2x_text_out8(tl_x, y,       "Renderer:            %s", strrend); // 0\r
885         gp2x_text_out8(tl_x, (y+=10), "Accurate timing (slower)   %s", (currentConfig.PicoOpt&0x040)?"ON":"OFF"); // 1\r
886         gp2x_text_out8(tl_x, (y+=10), "Accurate sprites (slower)  %s", (currentConfig.PicoOpt&0x080)?"ON":"OFF"); // 2\r
887         gp2x_text_out8(tl_x, (y+=10), "Show FPS                   %s", (currentConfig.EmuOpt &0x002)?"ON":"OFF"); // 3\r
888         gp2x_text_out8(tl_x, (y+=10), "Frameskip                  %s", strframeskip);\r
889         gp2x_text_out8(tl_x, (y+=10), "Enable sound               %s", (currentConfig.EmuOpt &0x004)?"ON":"OFF"); // 5\r
890         gp2x_text_out8(tl_x, (y+=10), "Sound Quality:     %5iHz %s",   currentConfig.PsndRate, monostereo);\r
891         gp2x_text_out8(tl_x, (y+=10), "Use ARM940 core for sound  %s", (currentConfig.PicoOpt&0x200)?"ON":"OFF"); // 7\r
892         gp2x_text_out8(tl_x, (y+=10), "6 button pad               %s", (currentConfig.PicoOpt&0x020)?"ON":"OFF"); // 8\r
893         gp2x_text_out8(tl_x, (y+=10), "Genesis Region:      %s",       region_name(currentConfig.PicoRegion));\r
894         gp2x_text_out8(tl_x, (y+=10), "Use SRAM/BRAM savestates   %s", (currentConfig.EmuOpt &0x001)?"ON":"OFF"); // 10\r
895         gp2x_text_out8(tl_x, (y+=10), "Confirm save overwrites    %s", (currentConfig.EmuOpt &0x200)?"ON":"OFF"); // 11\r
896         gp2x_text_out8(tl_x, (y+=10), "Save slot                  %i", state_slot); // 12\r
897         gp2x_text_out8(tl_x, (y+=10), "GP2X CPU clocks            %iMhz", currentConfig.CPUclock);\r
898         gp2x_text_out8(tl_x, (y+=10), "[Sega/Mega CD options]");\r
899         gp2x_text_out8(tl_x, (y+=10), "[advanced options]");            // 15\r
900         gp2x_text_out8(tl_x, (y+=10), "Save cfg as default");\r
901         if (rom_data)\r
902                 gp2x_text_out8(tl_x, (y+=10), "Save cfg for current game only");\r
903 \r
904         // draw cursor\r
905         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
906 \r
907         gp2x_video_flip2();\r
908 }\r
909 \r
910 static int sndrate_prevnext(int rate, int dir)\r
911 {\r
912         int i, rates[] = { 8000, 11025, 16000, 22050, 44100 };\r
913 \r
914         for (i = 0; i < 5; i++)\r
915                 if (rates[i] == rate) break;\r
916 \r
917         i += dir ? 1 : -1;\r
918         if (i > 4) return dir ? 44100 : 22050;\r
919         if (i < 0) return dir ? 11025 : 8000;\r
920         return rates[i];\r
921 }\r
922 \r
923 static void region_prevnext(int right)\r
924 {\r
925         // jp_ntsc=1, jp_pal=2, usa=4, eu=8\r
926         static int rgn_orders[] = { 0x148, 0x184, 0x814, 0x418, 0x841, 0x481 };\r
927         int i;\r
928         if (right) {\r
929                 if (!currentConfig.PicoRegion) {\r
930                         for (i = 0; i < 6; i++)\r
931                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
932                         if (i < 5) PicoAutoRgnOrder = rgn_orders[i+1];\r
933                         else currentConfig.PicoRegion=1;\r
934                 }\r
935                 else currentConfig.PicoRegion<<=1;\r
936                 if (currentConfig.PicoRegion > 8) currentConfig.PicoRegion = 8;\r
937         } else {\r
938                 if (!currentConfig.PicoRegion) {\r
939                         for (i = 0; i < 6; i++)\r
940                                 if (rgn_orders[i] == PicoAutoRgnOrder) break;\r
941                         if (i > 0) PicoAutoRgnOrder = rgn_orders[i-1];\r
942                 }\r
943                 else currentConfig.PicoRegion>>=1;\r
944         }\r
945 }\r
946 \r
947 static void menu_options_save(void)\r
948 {\r
949         PicoOpt = currentConfig.PicoOpt;\r
950         PsndRate = currentConfig.PsndRate;\r
951         PicoRegionOverride = currentConfig.PicoRegion;\r
952         if (PicoOpt & 0x20) {\r
953                 actionNames[ 8] = "Z"; actionNames[ 9] = "Y";\r
954                 actionNames[10] = "X"; actionNames[11] = "MODE";\r
955         } else {\r
956                 actionNames[8] = actionNames[9] = actionNames[10] = actionNames[11] = 0;\r
957         }\r
958 }\r
959 \r
960 static int menu_loop_options(void)\r
961 {\r
962         int menu_sel = 0, menu_sel_max = 16;\r
963         unsigned long inp = 0;\r
964 \r
965         if (rom_data) menu_sel_max++;\r
966         currentConfig.PicoOpt = PicoOpt;\r
967         currentConfig.PsndRate = PsndRate;\r
968         currentConfig.PicoRegion = PicoRegionOverride;\r
969 \r
970         for(;;)\r
971         {\r
972                 draw_menu_options(menu_sel);\r
973                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT|GP2X_B|GP2X_X|GP2X_A);\r
974                 if(inp & GP2X_UP  ) { menu_sel--; if (menu_sel < 0) menu_sel = menu_sel_max; }\r
975                 if(inp & GP2X_DOWN) { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = 0; }\r
976                 if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options\r
977                         switch (menu_sel) {\r
978                                 case  1: currentConfig.PicoOpt^=0x040; break;\r
979                                 case  2: currentConfig.PicoOpt^=0x080; break;\r
980                                 case  3: currentConfig.EmuOpt ^=0x002; break;\r
981                                 case  5: currentConfig.EmuOpt ^=0x004; break;\r
982                                 case  7: currentConfig.PicoOpt^=0x200; break;\r
983                                 case  8: currentConfig.PicoOpt^=0x020; break;\r
984                                 case 10: currentConfig.EmuOpt ^=0x001; break;\r
985                                 case 11: currentConfig.EmuOpt ^=0x200; break;\r
986                                 case 14: cd_menu_loop_options();\r
987                                         if (engineState == PGS_ReloadRom)\r
988                                                 return 0; // test BIOS\r
989                                         break;\r
990                                 case 15: amenu_loop_options();    break;\r
991                                 case 16: // done (update and write)\r
992                                         menu_options_save();\r
993                                         if (emu_WriteConfig(0)) strcpy(menuErrorMsg, "config saved");\r
994                                         else strcpy(menuErrorMsg, "failed to write config");\r
995                                         return 1;\r
996                                 case 17: // done (update and write for current game)\r
997                                         menu_options_save();\r
998                                         if (emu_WriteConfig(1)) strcpy(menuErrorMsg, "config saved");\r
999                                         else strcpy(menuErrorMsg, "failed to write config");\r
1000                                         return 1;\r
1001                         }\r
1002                 }\r
1003                 if(inp & (GP2X_X|GP2X_A)) {\r
1004                         menu_options_save();\r
1005                         return 0;  // done (update, no write)\r
1006                 }\r
1007                 if(inp & (GP2X_LEFT|GP2X_RIGHT)) { // multi choise\r
1008                         switch (menu_sel) {\r
1009                                 case  0:\r
1010                                         if (inp & GP2X_LEFT) {\r
1011                                                 if      (  currentConfig.PicoOpt&0x10) currentConfig.PicoOpt&= ~0x10;\r
1012                                                 else if (!(currentConfig.EmuOpt &0x80))currentConfig.EmuOpt |=  0x80;\r
1013                                                 else if (  currentConfig.EmuOpt &0x80) break;\r
1014                                         } else {\r
1015                                                 if      (  currentConfig.PicoOpt&0x10) break;\r
1016                                                 else if (!(currentConfig.EmuOpt &0x80))currentConfig.PicoOpt|=  0x10;\r
1017                                                 else if (  currentConfig.EmuOpt &0x80) currentConfig.EmuOpt &= ~0x80;\r
1018                                         }\r
1019                                         break;\r
1020                                 case  4:\r
1021                                         currentConfig.Frameskip += (inp & GP2X_LEFT) ? -1 : 1;\r
1022                                         if (currentConfig.Frameskip < 0)  currentConfig.Frameskip = -1;\r
1023                                         if (currentConfig.Frameskip > 32) currentConfig.Frameskip = 32;\r
1024                                         break;\r
1025                                 case  6:\r
1026                                         if ((inp & GP2X_RIGHT) && currentConfig.PsndRate == 44100 && !(currentConfig.PicoOpt&0x08)) {\r
1027                                                 currentConfig.PsndRate = 8000;  currentConfig.PicoOpt|= 0x08;\r
1028                                         } else if ((inp & GP2X_LEFT) && currentConfig.PsndRate == 8000 && (currentConfig.PicoOpt&0x08)) {\r
1029                                                 currentConfig.PsndRate = 44100; currentConfig.PicoOpt&=~0x08;\r
1030                                         } else currentConfig.PsndRate = sndrate_prevnext(currentConfig.PsndRate, inp & GP2X_RIGHT);\r
1031                                         break;\r
1032                                 case  9:\r
1033                                         region_prevnext(inp & GP2X_RIGHT);\r
1034                                         break;\r
1035                                 case 12:\r
1036                                         if (inp & GP2X_RIGHT) {\r
1037                                                 state_slot++; if (state_slot > 9) state_slot = 0;\r
1038                                         } else {state_slot--; if (state_slot < 0) state_slot = 9;\r
1039                                         }\r
1040                                         break;\r
1041                                 case 13:\r
1042                                         while ((inp = gp2x_joystick_read(1)) & (GP2X_LEFT|GP2X_RIGHT)) {\r
1043                                                 currentConfig.CPUclock += (inp & GP2X_LEFT) ? -1 : 1;\r
1044                                                 if (currentConfig.CPUclock < 1) currentConfig.CPUclock = 1;\r
1045                                                 draw_menu_options(menu_sel);\r
1046                                                 usleep(50*1000);\r
1047                                         }\r
1048                                         break;\r
1049                         }\r
1050                 }\r
1051         }\r
1052 }\r
1053 \r
1054 // -------------- credits --------------\r
1055 \r
1056 static void draw_menu_credits(void)\r
1057 {\r
1058         int tl_x = 15, tl_y = 70, y;\r
1059         //memset(gp2x_screen, 0, 320*240);\r
1060         gp2x_pd_clone_buffer2();\r
1061 \r
1062         gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION " (c) notaz, 2006,2007");\r
1063         y = tl_y;\r
1064         gp2x_text_out8(tl_x, y, "Credits:");\r
1065         gp2x_text_out8(tl_x, (y+=10), "Dave: Cyclone 68000 core,");\r
1066         gp2x_text_out8(tl_x, (y+=10), "      base code of PicoDrive");\r
1067         gp2x_text_out8(tl_x, (y+=10), "Reesy & FluBBa: DrZ80 core");\r
1068         gp2x_text_out8(tl_x, (y+=10), "MAME devs: YM2612 and SN76496 cores");\r
1069         gp2x_text_out8(tl_x, (y+=10), "Charles MacDonald: Genesis hw docs");\r
1070         gp2x_text_out8(tl_x, (y+=10), "Stephane Dallongeville:");\r
1071         gp2x_text_out8(tl_x, (y+=10), "      opensource Gens");\r
1072         gp2x_text_out8(tl_x, (y+=10), "Haze: Genesis hw info");\r
1073         gp2x_text_out8(tl_x, (y+=10), "rlyeh and others: minimal SDK");\r
1074         gp2x_text_out8(tl_x, (y+=10), "Squidge: squidgehack");\r
1075         gp2x_text_out8(tl_x, (y+=10), "Dzz: ARM940 sample");\r
1076         gp2x_text_out8(tl_x, (y+=10), "GnoStiC / Puck2099: USB joystick");\r
1077         gp2x_text_out8(tl_x, (y+=10), "craigix: GP2X hardware");\r
1078 \r
1079         gp2x_video_flip2();\r
1080 }\r
1081 \r
1082 \r
1083 // -------------- root menu --------------\r
1084 \r
1085 static void draw_menu_root(int menu_sel)\r
1086 {\r
1087         int tl_x = 70, tl_y = 70, y;\r
1088         //memset(gp2x_screen, 0, 320*240);\r
1089         gp2x_pd_clone_buffer2();\r
1090 \r
1091         gp2x_text_out8(tl_x, 20, "PicoDrive v" VERSION);\r
1092 \r
1093         y = tl_y;\r
1094         if (rom_data) {\r
1095                 gp2x_text_out8(tl_x, y,       "Resume game");\r
1096                 gp2x_text_out8(tl_x, (y+=10), "Save State");\r
1097                 gp2x_text_out8(tl_x, (y+=10), "Load State");\r
1098                 gp2x_text_out8(tl_x, (y+=10), "Reset game");\r
1099         } else {\r
1100                 y += 30;\r
1101         }\r
1102         gp2x_text_out8(tl_x, (y+=10), "Load new ROM/ISO");\r
1103         gp2x_text_out8(tl_x, (y+=10), "Change options");\r
1104         gp2x_text_out8(tl_x, (y+=10), "Configure controls");\r
1105         gp2x_text_out8(tl_x, (y+=10), "Credits");\r
1106         gp2x_text_out8(tl_x, (y+=10), "Exit");\r
1107 \r
1108         // draw cursor\r
1109         gp2x_text_out8(tl_x - 16, tl_y + menu_sel*10, ">");\r
1110         // error\r
1111         if (menuErrorMsg[0]) gp2x_text_out8(5, 226, menuErrorMsg);\r
1112         gp2x_video_flip2();\r
1113 }\r
1114 \r
1115 \r
1116 static void menu_loop_root(void)\r
1117 {\r
1118         int ret, menu_sel = 4, menu_sel_max = 8, menu_sel_min = 4;\r
1119         unsigned long inp = 0;\r
1120         char curr_path[PATH_MAX], *selfname;\r
1121         FILE *tstf;\r
1122 \r
1123         if ( (tstf = fopen(currentConfig.lastRomFile, "rb")) )\r
1124         {\r
1125                 fclose(tstf);\r
1126                 strcpy(curr_path, currentConfig.lastRomFile);\r
1127         }\r
1128         else\r
1129         {\r
1130                 getcwd(curr_path, PATH_MAX);\r
1131         }\r
1132 \r
1133         if (rom_data) menu_sel = menu_sel_min = 0;\r
1134 \r
1135         for(;;)\r
1136         {\r
1137                 draw_menu_root(menu_sel);\r
1138                 inp = wait_for_input(GP2X_UP|GP2X_DOWN|GP2X_B|GP2X_X|GP2X_SELECT);\r
1139                 if(inp & GP2X_UP  )  { menu_sel--; if (menu_sel < menu_sel_min) menu_sel = menu_sel_max; }\r
1140                 if(inp & GP2X_DOWN)  { menu_sel++; if (menu_sel > menu_sel_max) menu_sel = menu_sel_min; }\r
1141                 if(inp &(GP2X_SELECT|GP2X_X)){\r
1142                         if (rom_data) {\r
1143                                 while (gp2x_joystick_read(1) & (GP2X_SELECT|GP2X_X)) usleep(50*1000); // wait until select is released\r
1144                                 engineState = PGS_Running;\r
1145                                 break;\r
1146                         }\r
1147                 }\r
1148                 if(inp & GP2X_B   )  {\r
1149                         switch (menu_sel) {\r
1150                                 case 0: // resume game\r
1151                                         if (rom_data) { engineState = PGS_Running; return; }\r
1152                                         break;\r
1153                                 case 1: // save state\r
1154                                         if (rom_data) {\r
1155                                                 if(savestate_menu_loop(0))\r
1156                                                         continue;\r
1157                                                 engineState = PGS_Running;\r
1158                                                 return;\r
1159                                         }\r
1160                                         break;\r
1161                                 case 2: // load state\r
1162                                         if (rom_data) {\r
1163                                                 if(savestate_menu_loop(1))\r
1164                                                         continue;\r
1165                                                 engineState = PGS_Running;\r
1166                                                 return;\r
1167                                         }\r
1168                                         break;\r
1169                                 case 3: // reset game\r
1170                                         if (rom_data) {\r
1171                                                 emu_ResetGame();\r
1172                                                 engineState = PGS_Running;\r
1173                                                 return;\r
1174                                         }\r
1175                                         break;\r
1176                                 case 4: // select rom\r
1177                                         selfname = romsel_loop(curr_path);\r
1178                                         if (selfname) {\r
1179                                                 printf("selected file: %s\n", selfname);\r
1180                                                 engineState = PGS_ReloadRom;\r
1181                                         }\r
1182                                         return;\r
1183                                 case 5: // options\r
1184                                         ret = menu_loop_options();\r
1185                                         if (ret == 1) continue; // status update\r
1186                                         if (engineState == PGS_ReloadRom)\r
1187                                                 return; // BIOS test\r
1188                                         break;\r
1189                                 case 6: // controls\r
1190                                         kc_sel_loop();\r
1191                                         break;\r
1192                                 case 7: // credits\r
1193                                         draw_menu_credits();\r
1194                                         usleep(500*1000);\r
1195                                         inp = wait_for_input(GP2X_B|GP2X_X);\r
1196                                         break;\r
1197                                 case 8: // exit\r
1198                                         engineState = PGS_Quit;\r
1199                                         return;\r
1200                         }\r
1201                 }\r
1202                 menuErrorMsg[0] = 0; // clear error msg\r
1203         }\r
1204 }\r
1205 \r
1206 \r
1207 static void menu_prepare_bg(void)\r
1208 {\r
1209         extern int localPal[0x100];\r
1210         int c, i;\r
1211 \r
1212         // don't clear old palette just for fun (but make it dark)\r
1213         for (i = 0x100-1; i >= 0; i--) {\r
1214                 c = localPal[i];\r
1215                 localPal[i] = ((c >> 1) & 0x007f7f7f) - ((c >> 3) & 0x001f1f1f);\r
1216         }\r
1217         localPal[0xe0] = 0x00000000; // reserved pixels for OSD\r
1218         localPal[0xf0] = 0x00ffffff;\r
1219 \r
1220         gp2x_video_setpalette(localPal, 0x100);\r
1221 }\r
1222 \r
1223 static void menu_gfx_prepare(void)\r
1224 {\r
1225         menu_prepare_bg();\r
1226 \r
1227         // switch to 8bpp\r
1228         gp2x_video_changemode2(8);\r
1229         gp2x_video_RGB_setscaling(320, 240);\r
1230         gp2x_video_flip2();\r
1231 }\r
1232 \r
1233 \r
1234 void menu_loop(void)\r
1235 {\r
1236         menu_gfx_prepare();\r
1237 \r
1238         menu_loop_root();\r
1239 \r
1240         menuErrorMsg[0] = 0;\r
1241 }\r