drivers/gp2x/main.c

   1 /* FCE Ultra - NES/Famicom Emulator
   2  *
   3  * Copyright notice for this file:
   4  *  Copyright (C) 2002 Ben Parnell
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 /*  This file contains or coordinates all of the code necessary to compile
  22     on a UNIX system that can use svgalib, such as FreeBSD and Linux.
  23     This code is not guaranteed to compile on FreeBSD, though.
  24 */
  25
  26
  27 #include <unistd.h>
  28 #include <sys/types.h>
  29 #include <signal.h>
  30 #include <sys/time.h>
  31 #include <sys/stat.h>
  32 #include <string.h>
  33 #include <strings.h>
  34 #include <errno.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37
  38 #include "main.h"
  39 #include "throttle.h"
  40
  41 #include "../common/config.h"
  42 #include "../common/args.h"
  43 #include "../common/unixdsp.h"
  44 #include "../common/cheat.h"
  45
  46 #include "dface.h"
  47
  48 // just for printing some iNES info for user..
  49 #include "../../fce.h"
  50 #include "../../ines.h"
  51
  52 static int ntsccol=0,ntschue=-1,ntsctint=-1;
  53 int soundvol=70;
  54 int inited=0;
  55 int swapbuttons=0;
  56 int showfps=0;
  57
  58 int srendlinev[2]={0,0};
  59 //int srendlinev[2]={0,0};
  60 int erendlinev[2]={239,239};
  61 //int erendlinev[2]={231,239};
  62 int srendline,erendline;
  63
  64
  65 static char BaseDirectory[2048];
  66
  67 int eoptions=0;
  68
  69 static void DriverKill(void);
  70 static int DriverInitialize(void);
  71
  72 static int gametype;
  73 #include "input.c"
  74
  75 static void ParseGI(FCEUGI *gi)
  76 {
  77  gametype=gi->type;
  78
  79  InputType[0]=UsrInputType[0];
  80  InputType[1]=UsrInputType[1];
  81  InputTypeFC=UsrInputTypeFC;
  82
  83  if(gi->input[0]>=0)
  84   InputType[0]=gi->input[0];
  85  if(gi->input[1]>=0)
  86   InputType[1]=gi->input[1];
  87  if(gi->inputfc>=0)
  88   InputTypeFC=gi->inputfc;
  89  FCEUI_GetCurrentVidSystem(&srendline,&erendline);
  90 }
  91
  92 void FCEUD_PrintError(char *s)
  93 {
  94  puts(s);
  95 }
  96
  97 static char *cpalette=0;
  98 static void LoadCPalette(void)
  99 {
 100  char tmpp[192];
 101  FILE *fp;
 102
 103  if(!(fp=fopen(cpalette,"rb")))
 104  {
 105   printf(" Error loading custom palette from file: %s\n",cpalette);
 106   return;
 107  }
 108  fread(tmpp,1,192,fp);
 109  FCEUI_SetPaletteArray((uint8 *)tmpp);
 110  fclose(fp);
 111 }
 112
 113 static CFGSTRUCT fceuconfig[]={
 114         AC(soundvol),
 115         ACS(cpalette),
 116         AC(ntsctint),
 117         AC(ntschue),
 118         AC(ntsccol),
 119         AC(UsrInputTypeFC),
 120         ACA(UsrInputType),
 121         AC(powerpadside),
 122         AC(powerpadsc),
 123         AC(eoptions),
 124         ACA(srendlinev),
 125         ACA(erendlinev),
 126         ADDCFGSTRUCT(DriverConfig),
 127         ENDCFGSTRUCT
 128 };
 129
 130 static void SaveConfig(void)
 131 {
 132         char tdir[2048];
 133         sprintf(tdir,"%s"PSS"fceu.cfg",BaseDirectory);
 134         DriverInterface(DES_GETNTSCTINT,&ntsctint);
 135         DriverInterface(DES_GETNTSCHUE,&ntschue);
 136         SaveFCEUConfig(tdir,fceuconfig);
 137 }
 138
 139 static void LoadConfig(void)
 140 {
 141         char tdir[2048];
 142         sprintf(tdir,"%s"PSS"fceu.cfg",BaseDirectory);
 143         LoadFCEUConfig(tdir,fceuconfig);
 144         if(ntsctint>=0) DriverInterface(DES_SETNTSCTINT,&ntsctint);
 145         if(ntschue>=0) DriverInterface(DES_SETNTSCHUE,&ntschue);
 146 }
 147
 148 static void CreateDirs(void)
 149 {
 150  char *subs[5]={"fcs","snaps","gameinfo","sav","cheats"};
 151  char tdir[2048];
 152  int x;
 153
 154  mkdir(BaseDirectory,S_IRWXU);
 155  for(x=0;x<5;x++)
 156  {
 157   sprintf(tdir,"%s"PSS"%s",BaseDirectory,subs[x]);
 158   mkdir(tdir,S_IRWXU);
 159  }
 160 }
 161
 162 static void SetSignals(void (*t)(int))
 163 {
 164   int sigs[11]={SIGINT,SIGTERM,SIGHUP,SIGPIPE,SIGSEGV,SIGFPE,SIGKILL,SIGALRM,SIGABRT,SIGUSR1,SIGUSR2};
 165   int x;
 166   for(x=0;x<11;x++)
 167    signal(sigs[x],t);
 168 }
 169
 170 static void CloseStuff(int signum)
 171 {
 172         DriverKill();
 173         printf("\nSignal %d has been caught and dealt with...\n",signum);
 174         switch(signum)
 175         {
 176          case SIGINT:printf("How DARE you interrupt me!\n");break;
 177          case SIGTERM:printf("MUST TERMINATE ALL HUMANS\n");break;
 178          case SIGHUP:printf("Reach out and hang-up on someone.\n");break;
 179          case SIGPIPE:printf("The pipe has broken!  Better watch out for floods...\n");break;
 180          case SIGSEGV:printf("Iyeeeeeeeee!!!  A segmentation fault has occurred.  Have a fluffy day.\n");break;
 181          /* So much SIGBUS evil. */
 182          #ifdef SIGBUS
 183          #if(SIGBUS!=SIGSEGV)
 184          case SIGBUS:printf("I told you to be nice to the driver.\n");break;
 185          #endif
 186          #endif
 187          case SIGFPE:printf("Those darn floating points.  Ne'er know when they'll bite!\n");break;
 188          case SIGALRM:printf("Don't throw your clock at the meowing cats!\n");break;
 189          case SIGABRT:printf("Abort, Retry, Ignore, Fail?\n");break;
 190          case SIGUSR1:
 191          case SIGUSR2:printf("Killing your processes is not nice.\n");break;
 192         }
 193         exit(1);
 194 }
 195
 196 static void DoArgs(int argc, char *argv[])
 197 {
 198         static char *cortab[5]={"none","gamepad","zapper","powerpad","arkanoid"};
 199         static int cortabi[5]={SI_NONE,SI_GAMEPAD,
 200                                SI_ZAPPER,SI_POWERPADA,SI_ARKANOID};
 201         static char *fccortab[5]={"none","arkanoid","shadow","4player","fkb"};
 202         static int fccortabi[5]={SIFC_NONE,SIFC_ARKANOID,SIFC_SHADOW,
 203                                  SIFC_4PLAYER,SIFC_FKB};
 204
 205         int x;
 206         static char *inputa[2]={0,0};
 207         static char *fcexp=0;
 208         static int docheckie[4];
 209
 210         static ARGPSTRUCT FCEUArgs[]={
 211          {"-soundvol",0,&soundvol,0},
 212          {"-cpalette",0,&cpalette,0x4001},
 213
 214          {"-ntsccol",0,&ntsccol,0},
 215          {"-pal",&docheckie[0],0,0},
 216          {"-input1",0,&inputa[0],0x4001},{"-input2",0,&inputa[1],0x4001},
 217          {"-fcexp",0,&fcexp,0x4001},
 218
 219          {"-gg",&docheckie[1],0,0},
 220          {"-no8lim",0,&eoptions,0x8001},
 221          {"-subase",0,&eoptions,0x8002},
 222          {"-snapname",0,&eoptions,0x8000|EO_SNAPNAME},
 223          {"-nofs",0,&eoptions,0x8000|EO_NOFOURSCORE},
 224          {"-clipsides",0,&eoptions,0x8000|EO_CLIPSIDES},
 225          {"-nothrottle",0,&eoptions,0x8000|EO_NOTHROTTLE},
 226          {"-slstart",0,&srendlinev[0],0},{"-slend",0,&erendlinev[0],0},
 227          {"-slstartp",0,&srendlinev[1],0},{"-slendp",0,&erendlinev[1],0},
 228              {"-swapbuttons",&swapbuttons, 0, 0},
 229              {"-showfps",&showfps, 0, 0},
 230          {0,(void *)DriverArgs,0,0},
 231          {0,0,0,0}
 232         };
 233
 234         memset(docheckie,0,sizeof(docheckie));
 235         ParseArguments(argc, argv, FCEUArgs);
 236         if(cpalette)
 237         {
 238          if(cpalette[0]=='0')
 239           if(cpalette[1]==0)
 240           {
 241            free(cpalette);
 242            cpalette=0;
 243           }
 244         }
 245         if(docheckie[0])
 246          FCEUI_SetVidSystem(1);
 247         if(docheckie[1])
 248          FCEUI_SetGameGenie(1);
 249         FCEUI_DisableSpriteLimitation(1);
 250         FCEUI_SaveExtraDataUnderBase(eoptions&2);
 251         FCEUI_SetSnapName(eoptions&EO_SNAPNAME);
 252
 253         for(x=0;x<2;x++)
 254         {
 255          if(srendlinev[x]<0 || srendlinev[x]>239) srendlinev[x]=0;
 256          if(erendlinev[x]<srendlinev[x] || erendlinev[x]>239) erendlinev[x]=239;
 257         }
 258
 259         printf("main() setrendered lines: %d, %d, %d, %d\n",srendlinev[0],erendlinev[0],srendlinev[1],erendlinev[1]);
 260         printf("main() clip sides %d\n", eoptions&EO_CLIPSIDES);
 261         srendlinev[0]=0;
 262         FCEUI_SetRenderedLines(srendlinev[0],erendlinev[0],srendlinev[1],erendlinev[1]);
 263         FCEUI_SetRenderedLines(0,erendlinev[0],srendlinev[1],erendlinev[1]);
 264         FCEUI_SetSoundVolume(soundvol);
 265         DriverInterface(DES_NTSCCOL,&ntsccol);
 266         DoDriverArgs();
 267
 268         if(fcexp)
 269         {
 270          int y;
 271          for(y=0;y<5;y++)
 272          {
 273           if(!strncmp(fccortab[y],fcexp,8))
 274           {
 275            UsrInputTypeFC=fccortabi[y];
 276            break;
 277           }
 278          }
 279          free(fcexp);
 280         }
 281         for(x=0;x<2;x++)
 282         {
 283          int y;
 284
 285          if(!inputa[x])
 286           continue;
 287
 288          for(y=0;y<5;y++)
 289          {
 290           if(!strncmp(cortab[y],inputa[x],8))
 291           {
 292            UsrInputType[x]=cortabi[y];
 293            if(y==3)
 294            {
 295             powerpadside&=~(1<<x);
 296             powerpadside|=((((inputa[x][8])-'a')&1)^1)<<x;
 297            }
 298            free(inputa[x]);
 299           }
 300          }
 301         }
 302 }
 303
 304 #include "usage.h"
 305
 306 int CLImain(int argc, char *argv[])
 307 {
 308         FCEUGI *tmp;
 309         int ret;
 310
 311         if(argc<=1)
 312         {
 313          ShowUsage(argv[0]);
 314          return 1;
 315         }
 316
 317         if(!DriverInitialize())
 318         {
 319          return 1;
 320         }
 321
 322         if(!(ret=FCEUI_Initialize()))
 323          return(1);
 324         GetBaseDirectory(BaseDirectory);
 325         FCEUI_SetBaseDirectory(BaseDirectory);
 326
 327         CreateDirs();
 328         LoadConfig();
 329         DoArgs(argc-2,&argv[1]);
 330         if(cpalette)
 331          LoadCPalette();
 332         if(InitSound())
 333          inited|=1;
 334
 335         if(!(tmp=FCEUI_LoadGame(argv[argc-1])))
 336         {
 337          ret=0;
 338          goto dk;
 339         }
 340         ParseGI(tmp);
 341         //RefreshThrottleFPS();
 342         InitOtherInput();
 343
 344         // additional print for gpfce
 345         {
 346          int MapperNo;
 347          iNES_HEADER *head = iNESGetHead();
 348          MapperNo = (head->ROM_type>>4);
 349          MapperNo|=(head->ROM_type2&0xF0);
 350          FCEU_DispMessage("%s, Mapper: %d%s%s", PAL?"PAL":"NTSC", MapperNo, (head->ROM_type&2)?", BB":"", (head->ROM_type&4)?", T":"");
 351         }
 352
 353         FCEUI_Emulate();
 354
 355         dk:
 356         DriverKill();
 357         return(ret?0:1);
 358 }
 359
 360 static int DriverInitialize(void)
 361 {
 362    SetSignals((void *)CloseStuff);
 363
 364    if(InitJoysticks())
 365     inited|=2;
 366    if(!InitVideo()) return 0;
 367    inited|=4;
 368    if(!InitKeyboard()) return 0;
 369    inited|=8;
 370    return 1;
 371 }
 372
 373 static void DriverKill(void)
 374 {
 375  SaveConfig();
 376  SetSignals(SIG_IGN);
 377
 378  if(inited&2)
 379   KillJoysticks();
 380  if(inited&8)
 381   KillKeyboard();
 382  if(inited&4)
 383   KillVideo();
 384  if(inited&1)
 385   KillSound();
 386  if(inited&16)
 387   KillMouse();
 388  inited=0;
 389 }
 390
 391 void FCEUD_Update(uint8 *xbuf, int16 *Buffer, int Count)
 392 {
 393  if(!Count && !NoWaiting && !(eoptions&EO_NOTHROTTLE))
 394   SpeedThrottle();
 395  BlitScreen(xbuf);
 396  if(Count && !NoWaiting && !(eoptions&EO_NOTHROTTLE))
 397   WriteSound(Buffer,Count);
 398  FCEUD_UpdateInput();
 399 }
 400