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 static int ntsccol=0,ntschue=-1,ntsctint=-1;
  49 int soundvol=70;
  50 int inited=0;
  51 int swapbuttons=0;
  52 int showfps=0;
  53
  54 int srendlinev[2]={0,0};
  55 //int srendlinev[2]={0,0};
  56 int erendlinev[2]={239,239};
  57 //int erendlinev[2]={231,239};
  58 int srendline,erendline;
  59
  60
  61 static char BaseDirectory[2048];
  62
  63 int eoptions=0;
  64
  65 static void DriverKill(void);
  66 static int DriverInitialize(void);
  67
  68 static int gametype;
  69 #include "input.c"
  70
  71 static void ParseGI(FCEUGI *gi)
  72 {
  73  gametype=gi->type;
  74
  75  InputType[0]=UsrInputType[0];
  76  InputType[1]=UsrInputType[1];
  77  InputTypeFC=UsrInputTypeFC;
  78
  79  if(gi->input[0]>=0)
  80   InputType[0]=gi->input[0];
  81  if(gi->input[1]>=0)
  82   InputType[1]=gi->input[1];
  83  if(gi->inputfc>=0)
  84   InputTypeFC=gi->inputfc;
  85  FCEUI_GetCurrentVidSystem(&srendline,&erendline);
  86 }
  87
  88 void FCEUD_PrintError(char *s)
  89 {
  90  puts(s);
  91 }
  92
  93 static char *cpalette=0;
  94 static void LoadCPalette(void)
  95 {
  96  char tmpp[192];
  97  FILE *fp;
  98
  99  if(!(fp=fopen(cpalette,"rb")))
 100  {
 101   printf(" Error loading custom palette from file: %s\n",cpalette);
 102   return;
 103  }
 104  fread(tmpp,1,192,fp);
 105  FCEUI_SetPaletteArray((uint8 *)tmpp);
 106  fclose(fp);
 107 }
 108
 109 static CFGSTRUCT fceuconfig[]={
 110         AC(soundvol),
 111         ACS(cpalette),
 112         AC(ntsctint),
 113         AC(ntschue),
 114         AC(ntsccol),
 115         AC(UsrInputTypeFC),
 116         ACA(UsrInputType),
 117         AC(powerpadside),
 118         AC(powerpadsc),
 119         AC(eoptions),
 120         ACA(srendlinev),
 121         ACA(erendlinev),
 122         ADDCFGSTRUCT(DriverConfig),
 123         ENDCFGSTRUCT
 124 };
 125
 126 static void SaveConfig(void)
 127 {
 128         char tdir[2048];
 129         sprintf(tdir,"%s"PSS"fceu.cfg",BaseDirectory);
 130         DriverInterface(DES_GETNTSCTINT,&ntsctint);
 131         DriverInterface(DES_GETNTSCHUE,&ntschue);
 132         SaveFCEUConfig(tdir,fceuconfig);
 133 }
 134
 135 static void LoadConfig(void)
 136 {
 137         char tdir[2048];
 138         sprintf(tdir,"%s"PSS"fceu.cfg",BaseDirectory);
 139         LoadFCEUConfig(tdir,fceuconfig);
 140         if(ntsctint>=0) DriverInterface(DES_SETNTSCTINT,&ntsctint);
 141         if(ntschue>=0) DriverInterface(DES_SETNTSCHUE,&ntschue);
 142 }
 143
 144 static void CreateDirs(void)
 145 {
 146  char *subs[5]={"fcs","snaps","gameinfo","sav","cheats"};
 147  char tdir[2048];
 148  int x;
 149
 150  mkdir(BaseDirectory,S_IRWXU);
 151  for(x=0;x<5;x++)
 152  {
 153   sprintf(tdir,"%s"PSS"%s",BaseDirectory,subs[x]);
 154   mkdir(tdir,S_IRWXU);
 155  }
 156 }
 157
 158 static void SetSignals(void (*t)(int))
 159 {
 160   int sigs[11]={SIGINT,SIGTERM,SIGHUP,SIGPIPE,SIGSEGV,SIGFPE,SIGKILL,SIGALRM,SIGABRT,SIGUSR1,SIGUSR2};
 161   int x;
 162   for(x=0;x<11;x++)
 163    signal(sigs[x],t);
 164 }
 165
 166 static void CloseStuff(int signum)
 167 {
 168         DriverKill();
 169         printf("\nSignal %d has been caught and dealt with...\n",signum);
 170         switch(signum)
 171         {
 172          case SIGINT:printf("How DARE you interrupt me!\n");break;
 173          case SIGTERM:printf("MUST TERMINATE ALL HUMANS\n");break;
 174          case SIGHUP:printf("Reach out and hang-up on someone.\n");break;
 175          case SIGPIPE:printf("The pipe has broken!  Better watch out for floods...\n");break;
 176          case SIGSEGV:printf("Iyeeeeeeeee!!!  A segmentation fault has occurred.  Have a fluffy day.\n");break;
 177          /* So much SIGBUS evil. */
 178          #ifdef SIGBUS
 179          #if(SIGBUS!=SIGSEGV)
 180          case SIGBUS:printf("I told you to be nice to the driver.\n");break;
 181          #endif
 182          #endif
 183          case SIGFPE:printf("Those darn floating points.  Ne'er know when they'll bite!\n");break;
 184          case SIGALRM:printf("Don't throw your clock at the meowing cats!\n");break;
 185          case SIGABRT:printf("Abort, Retry, Ignore, Fail?\n");break;
 186          case SIGUSR1:
 187          case SIGUSR2:printf("Killing your processes is not nice.\n");break;
 188         }
 189         exit(1);
 190 }
 191
 192 static void DoArgs(int argc, char *argv[])
 193 {
 194         static char *cortab[5]={"none","gamepad","zapper","powerpad","arkanoid"};
 195         static int cortabi[5]={SI_NONE,SI_GAMEPAD,
 196                                SI_ZAPPER,SI_POWERPAD,SI_ARKANOID};
 197         static char *fccortab[5]={"none","arkanoid","shadow","4player","fkb"};
 198         static int fccortabi[5]={SIFC_NONE,SIFC_ARKANOID,SIFC_SHADOW,
 199                                  SIFC_4PLAYER,SIFC_FKB};
 200
 201         int x;
 202         static char *inputa[2]={0,0};
 203         static char *fcexp=0;
 204         static int docheckie[4];
 205
 206         static ARGPSTRUCT FCEUArgs[]={
 207          {"-soundvol",0,&soundvol,0},
 208          {"-cpalette",0,&cpalette,0x4001},
 209
 210          {"-ntsccol",0,&ntsccol,0},
 211          {"-pal",&docheckie[0],0,0},
 212          {"-input1",0,&inputa[0],0x4001},{"-input2",0,&inputa[1],0x4001},
 213          {"-fcexp",0,&fcexp,0x4001},
 214
 215          {"-gg",&docheckie[1],0,0},
 216          {"-no8lim",0,&eoptions,0x8001},
 217          {"-subase",0,&eoptions,0x8002},
 218          {"-snapname",0,&eoptions,0x8000|EO_SNAPNAME},
 219          {"-nofs",0,&eoptions,0x8000|EO_NOFOURSCORE},
 220          {"-clipsides",0,&eoptions,0x8000|EO_CLIPSIDES},
 221          {"-nothrottle",0,&eoptions,0x8000|EO_NOTHROTTLE},
 222          {"-slstart",0,&srendlinev[0],0},{"-slend",0,&erendlinev[0],0},
 223          {"-slstartp",0,&srendlinev[1],0},{"-slendp",0,&erendlinev[1],0},
 224              {"-swapbuttons",&swapbuttons, 0, 0},
 225              {"-showfps",&showfps, 0, 0},
 226          {0,(void *)DriverArgs,0,0},
 227          {0,0,0,0}
 228         };
 229
 230         memset(docheckie,0,sizeof(docheckie));
 231         ParseArguments(argc, argv, FCEUArgs);
 232         if(cpalette)
 233         {
 234          if(cpalette[0]=='0')
 235           if(cpalette[1]==0)
 236           {
 237            free(cpalette);
 238            cpalette=0;
 239           }
 240         }
 241         if(docheckie[0])
 242          FCEUI_SetVidSystem(1);
 243         if(docheckie[1])
 244          FCEUI_SetGameGenie(1);
 245         FCEUI_DisableSpriteLimitation(1);
 246         FCEUI_SaveExtraDataUnderBase(eoptions&2);
 247         FCEUI_SetSnapName(eoptions&EO_SNAPNAME);
 248
 249         for(x=0;x<2;x++)
 250         {
 251          if(srendlinev[x]<0 || srendlinev[x]>239) srendlinev[x]=0;
 252          if(erendlinev[x]<srendlinev[x] || erendlinev[x]>239) erendlinev[x]=239;
 253         }
 254
 255         printf("main() setrendered lines: %d, %d, %d, %d\n",srendlinev[0],erendlinev[0],srendlinev[1],erendlinev[1]);
 256         printf("main() clip sides %d\n", eoptions&EO_CLIPSIDES);
 257         srendlinev[0]=0;
 258         FCEUI_SetRenderedLines(srendlinev[0],erendlinev[0],srendlinev[1],erendlinev[1]);
 259         FCEUI_SetRenderedLines(0,erendlinev[0],srendlinev[1],erendlinev[1]);
 260         FCEUI_SetSoundVolume(soundvol);
 261         DriverInterface(DES_NTSCCOL,&ntsccol);
 262         DoDriverArgs();
 263
 264         if(fcexp)
 265         {
 266          int y;
 267          for(y=0;y<5;y++)
 268          {
 269           if(!strncmp(fccortab[y],fcexp,8))
 270           {
 271            UsrInputTypeFC=fccortabi[y];
 272            break;
 273           }
 274          }
 275          free(fcexp);
 276         }
 277         for(x=0;x<2;x++)
 278         {
 279          int y;
 280
 281          if(!inputa[x])
 282           continue;
 283
 284          for(y=0;y<5;y++)
 285          {
 286           if(!strncmp(cortab[y],inputa[x],8))
 287           {
 288            UsrInputType[x]=cortabi[y];
 289            if(y==3)
 290            {
 291             powerpadside&=~(1<<x);
 292             powerpadside|=((((inputa[x][8])-'a')&1)^1)<<x;
 293            }
 294            free(inputa[x]);
 295           }
 296          }
 297         }
 298 }
 299
 300 #include "usage.h"
 301
 302 int CLImain(int argc, char *argv[])
 303 {
 304         FCEUGI *tmp;
 305         int ret;
 306
 307         if(!(ret=FCEUI_Initialize()))
 308          return(1);
 309         GetBaseDirectory(BaseDirectory);
 310         FCEUI_SetBaseDirectory(BaseDirectory);
 311
 312         CreateDirs();
 313         if(argc<=1)
 314         {
 315          ShowUsage(argv[0]);
 316          return 1;
 317         }
 318         LoadConfig();
 319         DoArgs(argc-2,&argv[1]);
 320         if(cpalette)
 321          LoadCPalette();
 322         if(InitSound())
 323          inited|=1;
 324
 325         if(!(tmp=FCEUI_LoadGame(argv[argc-1])))
 326         {
 327          ret=0;
 328          goto dk;
 329         }
 330         ParseGI(tmp);
 331         //RefreshThrottleFPS();
 332         if(!DriverInitialize())
 333         {
 334          ret=0;
 335          goto dk;
 336         }
 337         InitOtherInput();
 338         FCEUI_Emulate();
 339
 340         dk:
 341         DriverKill();
 342         return(ret?0:1);
 343 }
 344
 345 static int DriverInitialize(void)
 346 {
 347    SetSignals((void *)CloseStuff);
 348
 349    if(InitJoysticks())
 350     inited|=2;
 351    if(!InitVideo()) return 0;
 352    inited|=4;
 353    if(!InitKeyboard()) return 0;
 354    inited|=8;
 355    return 1;
 356 }
 357
 358 static void DriverKill(void)
 359 {
 360  SaveConfig();
 361  SetSignals(SIG_IGN);
 362
 363  if(inited&2)
 364   KillJoysticks();
 365  if(inited&8)
 366   KillKeyboard();
 367  if(inited&4)
 368   KillVideo();
 369  if(inited&1)
 370   KillSound();
 371  if(inited&16)
 372   KillMouse();
 373  inited=0;
 374 }
 375
 376 void FCEUD_Update(uint8 *XBuf, int32 *Buffer, int Count)
 377 {
 378  if(!Count && !NoWaiting && !(eoptions&EO_NOTHROTTLE))
 379   SpeedThrottle();
 380  BlitScreen(XBuf);
 381  if(Count)
 382   WriteSound(Buffer,Count,NoWaiting);
 383  FCEUD_UpdateInput();
 384 }
 385