integrate M-HT's neon scalers
[fceu.git] / drivers / common / main.c
... / ...
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1/* FCE Ultra - NES/Famicom Emulator
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 */
17
18
19#include <unistd.h>
20#include <sys/types.h>
21#include <signal.h>
22#include <sys/time.h>
23#include <sys/stat.h>
24#include <string.h>
25#include <strings.h>
26#include <errno.h>
27#include <stdio.h>
28#include <stdlib.h>
29
30#include "main.h"
31#include "throttle.h"
32#include "config.h"
33#include "args.h"
34#include "unixdsp.h"
35#include "cheat.h"
36#include "dface.h"
37#include "platform.h"
38#include "menu.h"
39#include "settings.h"
40#include "../libpicofe/config_file.h"
41
42#include "../../fce.h"
43#include "../../cart.h"
44
45
46// these are now here to try to make compatible configs
47// between different versions of the emu
48DSETTINGS Settings;
49CFGSTRUCT DriverConfig[]={
50 AC(Settings.turbo_rate_add),
51 AC(Settings.sound_rate),
52 AC(Settings.showfps),
53 AC(Settings.scaling),
54 AC(Settings.frameskip),
55 AC(Settings.sstate_confirm),
56 AC(Settings.region_force),
57 AC(Settings.cpuclock),
58 AC(Settings.mmuhack),
59 AC(Settings.ramtimings),
60 AC(Settings.gamma),
61 AC(Settings.perfect_vsync),
62 AC(Settings.accurate_mode),
63 AC(Settings.sw_filter),
64 AC(Settings.hw_filter),
65 ENDCFGSTRUCT
66};
67
68void CleanSurface(void);
69
70// internals
71extern uint8 Exit; // exit emu loop flag
72extern int FSkip;
73void CloseGame(void);
74
75FCEUGI *fceugi = NULL;
76int ntsccol=0,ntschue=-1,ntsctint=-1;
77int soundvol=70;
78int inited=0;
79
80int srendlinev[2]={8,0};
81int erendlinev[2]={231,239};
82int srendline,erendline;
83
84
85static char BaseDirectory[2048];
86
87int eoptions=0;
88
89static void DriverKill(void);
90static int DriverInitialize(void);
91
92static int gametype;
93#include "input.c"
94
95static void ParseGI(FCEUGI *gi)
96{
97 gametype=gi->type;
98
99 InputType[0]=UsrInputType[0];
100 InputType[1]=UsrInputType[1];
101 InputTypeFC=UsrInputTypeFC;
102
103 if(gi->input[0]>=0)
104 InputType[0]=gi->input[0];
105 if(gi->input[1]>=0)
106 InputType[1]=gi->input[1];
107 if(gi->inputfc>=0)
108 InputTypeFC=gi->inputfc;
109}
110
111void FCEUD_PrintError(char *s)
112{
113 puts(s);
114}
115
116char *cpalette=0;
117void LoadCPalette(void)
118{
119 char tmpp[192];
120 FILE *fp;
121
122 if(!(fp=fopen(cpalette,"rb")))
123 {
124 printf(" Error loading custom palette from file: %s\n",cpalette);
125 free(cpalette);
126 cpalette=0;
127 return;
128 }
129 fread(tmpp,1,192,fp);
130 FCEUI_SetPaletteArray((uint8 *)tmpp);
131 fclose(fp);
132}
133
134static CFGSTRUCT fceuconfig[]={
135 AC(soundvol),
136 ACS(cpalette),
137 AC(ntsctint),
138 AC(ntschue),
139 AC(ntsccol),
140 AC(UsrInputTypeFC),
141 ACA(UsrInputType),
142 AC(powerpadside),
143 AC(powerpadsc),
144 AC(eoptions),
145 ACA(srendlinev),
146 ACA(erendlinev),
147 ADDCFGSTRUCT(DriverConfig),
148 ENDCFGSTRUCT
149};
150
151static const char *skip_path(const char *path)
152{
153 const char *p;
154 if (path == NULL) return NULL;
155 for (p = path+strlen(path)-1; p > path && *p != '/'; p--);
156 if (*p == '/') p++;
157 return p;
158}
159
160int SaveConfig(const char *llgn_path)
161{
162 const char *name = skip_path(llgn_path);
163 char tdir[2048];
164 FILE *f;
165 int ret;
166
167 if (name)
168 sprintf(tdir,"%s"PSS"cfg"PSS"%s.cfg",BaseDirectory,name);
169 else sprintf(tdir,"%s"PSS"fceu2.cfg",BaseDirectory);
170 printf("saving cfg to %s ... ", tdir); fflush(stdout);
171 FCEUI_GetNTSCTH(&ntsctint, &ntschue);
172 ret=SaveFCEUConfig(tdir,fceuconfig);
173 printf(ret == 0 ? "done\n" : "failed\n");
174
175 // keys
176 if (name)
177 sprintf(tdir,"%s"PSS"cfg"PSS"%s_keys.cfg",BaseDirectory,name);
178 else sprintf(tdir,"%s"PSS"fceu_keys.cfg",BaseDirectory);
179 f=fopen(tdir, "w");
180 if (f!=NULL) {
181 config_write_keys(f);
182 fclose(f);
183 }
184
185 return ret;
186}
187
188static int LoadConfig(const char *llgn_path)
189{
190 const char *name = skip_path(llgn_path);
191 char tdir[2048];
192 FILE *f;
193 int ret, l;
194
195 if (name)
196 sprintf(tdir,"%s"PSS"cfg"PSS"%s.cfg",BaseDirectory,name);
197 else sprintf(tdir,"%s"PSS"fceu2.cfg",BaseDirectory);
198 printf("loading cfg from %s ... ", tdir); fflush(stdout);
199 FCEUI_GetNTSCTH(&ntsctint, &ntschue); /* Get default settings for if no config file exists. */
200 ret=LoadFCEUConfig(tdir,fceuconfig);
201 FCEUI_SetNTSCTH(ntsccol, ntsctint, ntschue);
202 printf(ret == 0 ? "done\n" : "failed\n");
203
204 // keys
205 if (name)
206 sprintf(tdir,"%s"PSS"cfg"PSS"%s_keys.cfg",BaseDirectory,name);
207 else sprintf(tdir,"%s"PSS"fceu_keys.cfg",BaseDirectory);
208 f=fopen(tdir, "r");
209 if (f!=NULL) {
210 l=fread(tdir,1,sizeof(tdir)-1,f);
211 tdir[l]=0;
212 config_read_keys(tdir);
213 fclose(f);
214 }
215
216 return ret;
217}
218
219static void LoadLLGN(void)
220{
221 char tdir[2048];
222 FILE *f;
223 int len;
224 sprintf(tdir,"%s"PSS"last_rom.txt",BaseDirectory);
225 f=fopen(tdir, "r");
226 if(f)
227 {
228 len = fread(lastLoadedGameName, 1, sizeof(lastLoadedGameName)-1, f);
229 lastLoadedGameName[len] = 0;
230 fclose(f);
231 }
232}
233
234static void SaveLLGN(void)
235{
236 // save last loaded game name
237 if (lastLoadedGameName[0] && !(eoptions&EO_NOAUTOWRITE))
238 {
239 char tdir[2048];
240 FILE *f;
241 sprintf(tdir,"%s"PSS"last_rom.txt",BaseDirectory);
242 f=fopen(tdir, "w");
243 if(f)
244 {
245 fwrite(lastLoadedGameName, 1, strlen(lastLoadedGameName), f);
246 fclose(f);
247 sync();
248 }
249 }
250}
251
252
253static void CreateDirs(void)
254{
255 char *subs[]={"fcs","snaps","gameinfo","sav","cheats","cfg","pal"};
256 char tdir[2048];
257 int x;
258
259 mkdir(BaseDirectory,S_IRWXU);
260 for(x=0;x<sizeof(subs)/sizeof(subs[0]);x++)
261 {
262 sprintf(tdir,"%s"PSS"%s",BaseDirectory,subs[x]);
263 mkdir(tdir,S_IRWXU);
264 }
265}
266
267static void SetSignals(void (*t)(int))
268{
269 int sigs[11]={SIGINT,SIGTERM,SIGHUP,SIGPIPE,SIGSEGV,SIGFPE,SIGKILL,SIGALRM,SIGABRT,SIGUSR1,SIGUSR2};
270 int x;
271 for(x=0;x<11;x++)
272 signal(sigs[x],t);
273}
274
275static void CloseStuff(int signum)
276{
277 DriverKill();
278 printf("\nSignal %d has been caught and dealt with...\n",signum);
279 switch(signum)
280 {
281 case SIGINT:printf("How DARE you interrupt me!\n");break;
282 case SIGTERM:printf("MUST TERMINATE ALL HUMANS\n");break;
283 case SIGHUP:printf("Reach out and hang-up on someone.\n");break;
284 case SIGPIPE:printf("The pipe has broken! Better watch out for floods...\n");break;
285 case SIGSEGV:printf("Iyeeeeeeeee!!! A segmentation fault has occurred. Have a fluffy day.\n");break;
286 #if(SIGBUS!=SIGSEGV)
287 case SIGBUS:printf("I told you to be nice to the driver.\n");break;
288 #endif
289 case SIGFPE:printf("Those darn floating points. Ne'er know when they'll bite!\n");break;
290 case SIGALRM:printf("Don't throw your clock at the meowing cats!\n");break;
291 case SIGABRT:printf("Abort, Retry, Ignore, Fail?\n");break;
292 case SIGUSR1:
293 case SIGUSR2:printf("Killing your processes is not nice.\n");break;
294 }
295 exit(1);
296}
297
298static int DoArgs(int argc, char *argv[])
299{
300 static char *cortab[5]={"none","gamepad","zapper","powerpad","arkanoid"};
301 static int cortabi[5]={SI_NONE,SI_GAMEPAD,
302 SI_ZAPPER,SI_POWERPADA,SI_ARKANOID};
303 static char *fccortab[5]={"none","arkanoid","shadow","4player","fkb"};
304 static int fccortabi[5]={SIFC_NONE,SIFC_ARKANOID,SIFC_SHADOW,
305 SIFC_4PLAYER,SIFC_FKB};
306
307 int x, ret;
308 static char *inputa[2]={0,0};
309 static char *fcexp=0;
310 static int docheckie[4];
311#ifdef NETWORK
312 static int docheckie2[2]={0,0};
313#endif
314
315 static ARGPSTRUCT FCEUArgs[]={
316 {"-soundvol",0,&soundvol,0},
317 {"-cpalette",0,&cpalette,0x4001},
318
319 {"-ntsccol",0,&ntsccol,0},
320 {"-pal",&docheckie[0],0,0},
321 {"-input1",0,&inputa[0],0x4001},{"-input2",0,&inputa[1],0x4001},
322 {"-fcexp",0,&fcexp,0x4001},
323
324 {"-gg",0,&eoptions,0x8000|EO_GG},
325 {"-no8lim",0,&eoptions,0x8000|EO_NO8LIM},
326 {"-snapname",0,&eoptions,0x8000|EO_SNAPNAME},
327 {"-nofs",0,&eoptions,0x8000|EO_NOFOURSCORE},
328 {"-clipsides",0,&eoptions,0x8000|EO_CLIPSIDES},
329 {"-nothrottle",0,&eoptions,0x8000|EO_NOTHROTTLE},
330 {"-noautowrite",0,&eoptions,0x8000|EO_NOAUTOWRITE},
331 {"-slstart",0,&srendlinev[0],0},{"-slend",0,&erendlinev[0],0},
332 {"-slstartp",0,&srendlinev[1],0},{"-slendp",0,&erendlinev[1],0},
333 {"-sound",0,&Settings.sound_rate,0},
334 {"-showfps",0,&Settings.showfps,0},
335 #ifdef NETWORK
336 {"-connect",&docheckie2[0],&netplayhost,0x4001},
337 {"-server",&docheckie2[1],0,0},
338 {"-netport",0,&Port,0},
339 #endif
340 {0,(void *)DriverArgs,0,0},
341 {0,0,0,0}
342 };
343
344 memset(docheckie,0,sizeof(docheckie));
345 ret=ParseArguments(argc, argv, FCEUArgs);
346 if(cpalette)
347 {
348 if(cpalette[0]=='0')
349 if(cpalette[1]==0)
350 {
351 free(cpalette);
352 cpalette=0;
353 }
354 }
355 if(docheckie[0])
356 Settings.region_force=2;
357 FCEUI_SetGameGenie(eoptions&EO_GG);
358 FCEUI_DisableSpriteLimitation(eoptions&EO_NO8LIM);
359 FCEUI_SetSnapName(eoptions&EO_SNAPNAME);
360
361 for(x=0;x<2;x++)
362 {
363 if(srendlinev[x]<0 || srendlinev[x]>239) srendlinev[x]=0;
364 if(erendlinev[x]<srendlinev[x] || erendlinev[x]>239) erendlinev[x]=239;
365 }
366
367 FCEUI_SetRenderedLines(srendlinev[0],erendlinev[0],srendlinev[1],erendlinev[1]);
368 FCEUI_SetSoundVolume(80);
369 #ifdef NETWORK
370 if(docheckie2[0])
371 netplay=2;
372 else if(docheckie2[1])
373 netplay=1;
374
375 if(netplay)
376 FCEUI_SetNetworkPlay(netplay);
377 #endif
378 DoDriverArgs();
379
380 if(fcexp)
381 {
382 int y;
383 for(y=0;y<5;y++)
384 {
385 if(!strncmp(fccortab[y],fcexp,8))
386 {
387 UsrInputTypeFC=fccortabi[y];
388 break;
389 }
390 }
391 free(fcexp);
392 }
393 for(x=0;x<2;x++)
394 {
395 int y;
396
397 if(!inputa[x])
398 continue;
399
400 for(y=0;y<5;y++)
401 {
402 if(!strncmp(cortab[y],inputa[x],8))
403 {
404 UsrInputType[x]=cortabi[y];
405 if(y==3)
406 {
407 powerpadside&=~(1<<x);
408 powerpadside|=((((inputa[x][8])-'a')&1)^1)<<x;
409 }
410 free(inputa[x]);
411 }
412 }
413 }
414 return ret;
415}
416
417
418#include "usage.h"
419
420int main(int argc, char *argv[])
421{
422 int last_arg_parsed, ret;
423 /* TODO if(argc<=1)
424 {
425 ShowUsage(argv[0]);
426 return 1;
427 }*/
428
429 platform_init();
430 if(!DriverInitialize())
431 {
432 return 1;
433 }
434
435 if(!FCEUI_Initialize())
436 return(1);
437 GetBaseDirectory(BaseDirectory);
438 FCEUI_SetBaseDirectory(BaseDirectory);
439 lastLoadedGameName[0] = 0;
440 menu_init();
441 in_init();
442
443 CreateDirs();
444 LoadConfig(NULL);
445 last_arg_parsed=DoArgs(argc-1,&argv[1]);
446 platform_late_init();
447
448 LoadLLGN();
449 FCEUI_SetNTSCTH(ntsccol, ntsctint, ntschue);
450 if(cpalette)
451 LoadCPalette();
452 if(InitSound())
453 inited|=1;
454
455 if (argc > 1 && !last_arg_parsed)
456 {
457 strncpy(lastLoadedGameName, argv[argc-1], sizeof(lastLoadedGameName));
458 lastLoadedGameName[sizeof(lastLoadedGameName)-1] = 0;
459 Exit = 0;
460 }
461 else
462 {
463 Exit = 1;
464 }
465
466 while (1)
467 {
468 if(!Exit)
469 {
470 if (fceugi)
471 CloseGame();
472 ret=LoadConfig(lastLoadedGameName);
473 if (ret != 0)
474 {
475 LoadConfig(NULL);
476 }
477 FCEUI_SetEmuMode(Settings.accurate_mode);
478 fceugi=FCEUI_LoadGame(lastLoadedGameName);
479 if (fceugi)
480 {
481 char infostring[32];
482 if (Settings.region_force)
483 FCEUI_SetVidSystem(Settings.region_force - 1);
484 ParseGI(fceugi);
485 InitOtherInput();
486
487 if ((eoptions&EO_GG) && geniestage == 0) {
488 strcpy(infostring, "gg.rom is missing, GG disabled");
489 eoptions&=~EO_GG;
490 FCEUI_SetGameGenie(0);
491 } else
492 GameInterface(GI_INFOSTRING, infostring);
493 FCEU_DispMessage("%s", infostring);
494 }
495 else
496 {
497 switch(LoadGameLastError) {
498 default: menu_update_msg("failed to load ROM"); break;
499 case 2: menu_update_msg("Can't find a ROM for ips/movie"); break;
500 case 10: menu_update_msg("FDS BIOS ROM is missing, read docs"); break;
501 case 11: menu_update_msg("Error reading auxillary FDS file"); break;
502 }
503 }
504 }
505 if(Exit || !fceugi)
506 {
507 int ret;
508 ret = menu_loop();
509 if (ret == 1) break; // exit emu
510 if (ret == 2) { // reload ROM
511 SaveLLGN();
512 Exit = 0;
513 continue;
514 }
515 }
516
517 PrepareOtherInput();
518 FCEUI_GetCurrentVidSystem(&srendline,&erendline);
519 platform_apply_config();
520 CleanSurface();
521 StartSound();
522 RefreshThrottleFPS();
523 FCEUI_Emulate();
524 }
525
526 if (fceugi)
527 CloseGame();
528
529 FCEUI_Kill();
530 DriverKill();
531 platform_finish();
532 return 0;
533}
534
535static int DriverInitialize(void)
536{
537 SetSignals((void *)CloseStuff);
538
539 if(!InitVideo()) return 0;
540 inited|=4;
541 return 1;
542}
543
544static void DriverKill(void)
545{
546 // SaveConfig(NULL); // done explicitly in menu now
547 SetSignals(SIG_DFL);
548
549 if(cpalette) free(cpalette);
550 cpalette=0;
551
552 if(inited&4)
553 KillVideo();
554 if(inited&1)
555 KillSound();
556 inited=0;
557}
558
559void FCEUD_Update(uint8 *xbuf, int16 *Buffer, int Count)
560{
561 FCEUD_UpdateInput(); // must update input before blitting because of save confirmation stuff
562 BlitPrepare(xbuf == NULL);
563 if(!(eoptions&EO_NOTHROTTLE))
564 {
565 if(Count)
566 WriteSound(Buffer,Count);
567 SpeedThrottle();
568 }
569 BlitScreen(xbuf == NULL);
570 // make sure last frame won't get skipped, because we need it for menu bg
571 if (Exit) FSkip=0;
572}
573
574