drivers/cli/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 /*static*/ int soundvol=100;
  50 static int inited=0;
  51
  52 int srendlinev[2]={8,0};
  53 int erendlinev[2]={239,239};
  54 int srendline,erendline;
  55
  56
  57 static char BaseDirectory[2048];
  58
  59 int eoptions=0;
  60
  61 static void DriverKill(void);
  62 static int DriverInitialize(void);
  63
  64 static int gametype;
  65 #include "input.c"
  66
  67 static void ParseGI(FCEUGI *gi)
  68 {
  69  gametype=gi->type;
  70
  71  InputType[0]=UsrInputType[0];
  72  InputType[1]=UsrInputType[1];
  73  InputTypeFC=UsrInputTypeFC;
  74
  75  if(gi->input[0]>=0)
  76   InputType[0]=gi->input[0];
  77  if(gi->input[1]>=0)
  78   InputType[1]=gi->input[1];
  79  if(gi->inputfc>=0)
  80   InputTypeFC=gi->inputfc;
  81  FCEUI_GetCurrentVidSystem(&srendline,&erendline);
  82 }
  83
  84 void FCEUD_PrintError(char *s)
  85 {
  86  puts(s);
  87 }
  88
  89 static char *cpalette=0;
  90 static void LoadCPalette(void)
  91 {
  92  uint8 tmpp[192];
  93  FILE *fp;
  94
  95  if(!(fp=fopen(cpalette,"rb")))
  96  {
  97   printf(" Error loading custom palette from file: %s\n",cpalette);
  98   return;
  99  }
 100  fread(tmpp,1,192,fp);
 101  FCEUI_SetPaletteArray(tmpp);
 102  fclose(fp);
 103 }
 104
 105 static CFGSTRUCT fceuconfig[]={
 106         AC(soundvol),
 107         ACS(cpalette),
 108         AC(ntsctint),
 109         AC(ntschue),
 110         AC(ntsccol),
 111         AC(UsrInputTypeFC),
 112         ACA(UsrInputType),
 113         AC(powerpadside),
 114         AC(powerpadsc),
 115         AC(eoptions),
 116         ACA(srendlinev),
 117         ACA(erendlinev),
 118         ADDCFGSTRUCT(DriverConfig),
 119         ENDCFGSTRUCT
 120 };
 121
 122 static void SaveConfig(void)
 123 {
 124         char tdir[2048];
 125         sprintf(tdir,"%s"PSS"fceu.cfg",BaseDirectory);
 126         DriverInterface(DES_GETNTSCTINT,&ntsctint);
 127         DriverInterface(DES_GETNTSCHUE,&ntschue);
 128         SaveFCEUConfig(tdir,fceuconfig);
 129 }
 130
 131 static void LoadConfig(void)
 132 {
 133         char tdir[2048];
 134         sprintf(tdir,"%s"PSS"fceu.cfg",BaseDirectory);
 135         LoadFCEUConfig(tdir,fceuconfig);
 136         if(ntsctint>=0) DriverInterface(DES_SETNTSCTINT,&ntsctint);
 137         if(ntschue>=0) DriverInterface(DES_SETNTSCHUE,&ntschue);
 138 }
 139
 140 static void CreateDirs(void)
 141 {
 142  char *subs[5]={"fcs","snaps","gameinfo","sav","cheats"};
 143  char tdir[2048];
 144  int x;
 145
 146  mkdir(BaseDirectory,S_IRWXU);
 147  for(x=0;x<5;x++)
 148  {
 149   sprintf(tdir,"%s"PSS"%s",BaseDirectory,subs[x]);
 150   mkdir(tdir,S_IRWXU);
 151  }
 152 }
 153
 154 static void SetSignals(void (*t)(int))
 155 {
 156   int sigs[11]={SIGINT,SIGTERM,SIGHUP,SIGPIPE,SIGSEGV,SIGFPE,SIGKILL,SIGALRM,SIGABRT,SIGUSR1,SIGUSR2};
 157   int x;
 158   for(x=0;x<11;x++)
 159    signal(sigs[x],t);
 160 }
 161
 162 static void CloseStuff(int signum)
 163 {
 164         DriverKill();
 165         printf("\nSignal %d has been caught and dealt with...\n",signum);
 166         switch(signum)
 167         {
 168          case SIGINT:printf("How DARE you interrupt me!\n");break;
 169          case SIGTERM:printf("MUST TERMINATE ALL HUMANS\n");break;
 170          case SIGHUP:printf("Reach out and hang-up on someone.\n");break;
 171          case SIGPIPE:printf("The pipe has broken!  Better watch out for floods...\n");break;
 172          case SIGSEGV:printf("Iyeeeeeeeee!!!  A segmentation fault has occurred.  Have a fluffy day.\n");break;
 173          /* So much SIGBUS evil. */
 174          #ifdef SIGBUS
 175          #if(SIGBUS!=SIGSEGV)
 176          case SIGBUS:printf("I told you to be nice to the driver.\n");break;
 177          #endif
 178          #endif
 179          case SIGFPE:printf("Those darn floating points.  Ne'er know when they'll bite!\n");break;
 180          case SIGALRM:printf("Don't throw your clock at the meowing cats!\n");break;
 181          case SIGABRT:printf("Abort, Retry, Ignore, Fail?\n");break;
 182          case SIGUSR1:
 183          case SIGUSR2:printf("Killing your processes is not nice.\n");break;
 184         }
 185         exit(1);
 186 }
 187
 188 static void DoArgs(int argc, char *argv[])
 189 {
 190         static char *cortab[5]={"none","gamepad","zapper","powerpad","arkanoid"};
 191         static int cortabi[5]={SI_NONE,SI_GAMEPAD,
 192                                SI_ZAPPER,SI_POWERPADA,SI_ARKANOID};
 193         static char *fccortab[5]={"none","arkanoid","shadow","4player","fkb"};
 194         static int fccortabi[5]={SIFC_NONE,SIFC_ARKANOID,SIFC_SHADOW,
 195                                  SIFC_4PLAYER,SIFC_FKB};
 196
 197         int x;
 198         static char *inputa[2]={0,0};
 199         static char *fcexp=0;
 200         static int docheckie[4];
 201
 202         static ARGPSTRUCT FCEUArgs[]={
 203          {"-soundvol",0,&soundvol,0},
 204          {"-cpalette",0,&cpalette,0x4001},
 205
 206          {"-ntsccol",0,&ntsccol,0},
 207          {"-pal",&docheckie[0],0,0},
 208          {"-input1",0,&inputa[0],0x4001},{"-input2",0,&inputa[1],0x4001},
 209          {"-fcexp",0,&fcexp,0x4001},
 210
 211          {"-gg",&docheckie[1],0,0},
 212          {"-no8lim",0,&eoptions,0x8001},
 213          {"-subase",0,&eoptions,0x8002},
 214          {"-snapname",0,&eoptions,0x8000|EO_SNAPNAME},
 215          {"-nofs",0,&eoptions,0x8000|EO_NOFOURSCORE},
 216          {"-clipsides",0,&eoptions,0x8000|EO_CLIPSIDES},
 217          {"-nothrottle",0,&eoptions,0x8000|EO_NOTHROTTLE},
 218          {"-slstart",0,&srendlinev[0],0},{"-slend",0,&erendlinev[0],0},
 219          {"-slstartp",0,&srendlinev[1],0},{"-slendp",0,&erendlinev[1],0},
 220          {0,(void *)DriverArgs,0,0},
 221          {0,0,0,0}
 222         };
 223
 224         memset(docheckie,0,sizeof(docheckie));
 225         ParseArguments(argc, argv, FCEUArgs);
 226         if(cpalette)
 227         {
 228          if(cpalette[0]=='0')
 229           if(cpalette[1]==0)
 230           {
 231            free(cpalette);
 232            cpalette=0;
 233           }
 234         }
 235         if(docheckie[0])
 236          FCEUI_SetVidSystem(1);
 237         if(docheckie[1])
 238          FCEUI_SetGameGenie(1);
 239
 240         FCEUI_DisableSpriteLimitation(eoptions&1);
 241         FCEUI_SaveExtraDataUnderBase(eoptions&2);
 242         FCEUI_SetSnapName(eoptions&EO_SNAPNAME);
 243
 244         for(x=0;x<2;x++)
 245         {
 246          if(srendlinev[x]<0 || srendlinev[x]>239) srendlinev[x]=0;
 247          if(erendlinev[x]<srendlinev[x] || erendlinev[x]>239) erendlinev[x]=239;
 248         }
 249
 250         FCEUI_SetRenderedLines(srendlinev[0],erendlinev[0],srendlinev[1],erendlinev[1]);
 251         FCEUI_SetSoundVolume(soundvol);
 252         //DriverInterface(DES_NTSCCOL,&ntsccol);
 253         DoDriverArgs();
 254
 255         if(fcexp)
 256         {
 257          int y;
 258          for(y=0;y<5;y++)
 259          {
 260           if(!strncmp(fccortab[y],fcexp,8))
 261           {
 262            UsrInputTypeFC=fccortabi[y];
 263            break;
 264           }
 265          }
 266          free(fcexp);
 267         }
 268         for(x=0;x<2;x++)
 269         {
 270          int y;
 271
 272          if(!inputa[x])
 273           continue;
 274
 275          for(y=0;y<5;y++)
 276          {
 277           if(!strncmp(cortab[y],inputa[x],8))
 278           {
 279            UsrInputType[x]=cortabi[y];
 280            if(y==3)
 281            {
 282             powerpadside&=~(1<<x);
 283             powerpadside|=((((inputa[x][8])-'a')&1)^1)<<x;
 284            }
 285            free(inputa[x]);
 286           }
 287          }
 288         }
 289 }
 290
 291 #include "usage.h"
 292
 293 int CLImain(int argc, char *argv[])
 294 {
 295         FCEUGI *tmp;
 296         int ret;
 297
 298         if(!(ret=FCEUI_Initialize()))
 299          return(1);
 300         GetBaseDirectory(BaseDirectory);
 301         FCEUI_SetBaseDirectory(BaseDirectory);
 302
 303         CreateDirs();
 304         if(argc<=1)
 305         {
 306          ShowUsage(argv[0]);
 307          return 1;
 308         }
 309         LoadConfig();
 310         DoArgs(argc-2,&argv[1]);
 311         FCEUI_SetNTSCTH(ntsccol, ntsctint, ntschue);
 312         if(cpalette)
 313          LoadCPalette();
 314         if(InitSound())
 315          inited|=1;
 316
 317         if(!(tmp=FCEUI_LoadGame(argv[argc-1])))
 318         {
 319          ret=0;
 320          goto dk;
 321         }
 322         ParseGI(tmp);
 323         RefreshThrottleFPS();
 324         if(!DriverInitialize())
 325         {
 326          ret=0;
 327          goto dk;
 328         }
 329         InitOtherInput();
 330         FCEUI_Emulate();
 331
 332         dk:
 333         DriverKill();
 334         return(ret?0:1);
 335 }
 336
 337 static int DriverInitialize(void)
 338 {
 339    SetSignals((void *)CloseStuff);
 340
 341    if(InitJoysticks())
 342     inited|=2;
 343    if(!InitVideo()) return 0;
 344    inited|=4;
 345    if(!InitKeyboard()) return 0;
 346    inited|=8;
 347    return 1;
 348 }
 349
 350 static void DriverKill(void)
 351 {
 352  SaveConfig();
 353  SetSignals(SIG_IGN);
 354
 355  if(inited&2)
 356   KillJoysticks();
 357  if(inited&8)
 358   KillKeyboard();
 359  if(inited&4)
 360   KillVideo();
 361  if(inited&1)
 362   KillSound();
 363  if(inited&16)
 364   KillMouse();
 365  inited=0;
 366 }
 367
 368 void FCEUD_Update(uint8 *XBuf, int16 *Buffer, int Count)
 369 {
 370  if(!Count && !NoWaiting && !(eoptions&EO_NOTHROTTLE))
 371   SpeedThrottle();
 372  BlitScreen(XBuf);
 373  if(Count)
 374   WriteSound(Buffer,Count,NoWaiting);
 375  FCEUD_UpdateInput();
 376 }
 377