drivers/pc/sdl.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <pthread.h>
   5
   6 #include "sdl.h"
   7 #include "sdl-video.h"
   8 #ifdef NETWORK
   9 #include "unix-netplay.h"
  10 #endif
  11 #include "minimal.h"
  12 //extern int soundvol;
  13 int CLImain(int argc, char *argv[]);
  14 extern int gp2x_in_sound_thread;
  15 extern void pthread_yield(void);
  16 extern void SetVideoScaling(int, int, int);
  17
  18 //#define SOUND_RATE 44100
  19 #define SOUND_RATE 22050
  20
  21 DSETTINGS Settings;
  22 CFGSTRUCT DriverConfig[]={
  23         AC(_xscale),
  24         AC(_yscale),
  25         AC(_xscalefs),
  26         AC(_yscalefs),
  27         AC(_efx),
  28         AC(_efxfs),
  29         AC(_sound),
  30         #ifdef DSPSOUND
  31         AC(_f8bit),
  32         #else
  33         AC(_ebufsize),
  34         AC(_lbufsize),
  35         #endif
  36         AC(_fullscreen),
  37         AC(_xres),
  38         AC(_yres),
  39         ACA(joyBMap),
  40         ACA(joyAMap),
  41         ACA(joy),
  42         //ACS(_fshack),
  43         ENDCFGSTRUCT
  44 };
  45
  46 //-fshack x       Set the environment variable SDL_VIDEODRIVER to \"x\" when
  47 //                entering full screen mode and x is not \"0\".
  48
  49 char *DriverUsage=
  50 "-xres   x       Set horizontal resolution to x for full screen mode.\n\
  51 -yres   x       Set vertical resolution to x for full screen mode.\n\
  52 -xscale(fs) x   Multiply width by x.\n\
  53 -yscale(fs) x   Multiply height by x.\n\
  54 -efx(fs) x      Enable scanlines effect if x is non zero.  yscale must be >=2\n\
  55                 and preferably a multiple of 2.\n\
  56 -fs      x      Select full screen mode if x is non zero.\n\
  57 -joyx   y       Use joystick y as virtual joystick x.\n\
  58 -sound x        Sound.\n\
  59                  0 = Disabled.\n\
  60                  Otherwise, x = playback rate.\n\
  61 "
  62 #ifdef DSPSOUND
  63 "-f8bit x        Force 8-bit sound.\n\
  64                  0 = Disabled.\n\
  65                  1 = Enabled.\n\
  66 "
  67 #else
  68 "-lbufsize x    Internal FCE Ultra sound buffer size. Size = 2^x samples.\n\
  69 -ebufsize x     External SDL sound buffer size. Size = 2^x samples.\n\
  70 "
  71 #endif
  72 "-connect s      Connect to server 's' for TCP/IP network play.\n\
  73 -server         Be a host/server for TCP/IP network play.\n\
  74 -netport x      Use TCP/IP port x for network play.";
  75
  76 #ifdef NETWORK
  77 static int docheckie[2]={0,0};
  78 #endif
  79 ARGPSTRUCT DriverArgs[]={
  80          {"-joy1",0,&joy[0],0},{"-joy2",0,&joy[1],0},
  81          {"-joy3",0,&joy[2],0},{"-joy4",0,&joy[3],0},
  82          {"-xscale",0,&_xscale,0},
  83          {"-yscale",0,&_yscale,0},
  84          {"-efx",0,&_efx,0},
  85          {"-xscalefs",0,&_xscalefs,0},
  86          {"-yscalefs",0,&_yscalefs,0},
  87          {"-efxfs",0,&_efxfs,0},
  88          {"-xres",0,&_xres,0},
  89          {"-yres",0,&_yres,0},
  90          {"-fs",0,&_fullscreen,0},
  91          //{"-fshack",0,&_fshack,0x4001},
  92          {"-sound",0,&_sound,0},
  93          #ifdef DSPSOUND
  94          {"-f8bit",0,&_f8bit,0},
  95          #else
  96          {"-lbufsize",0,&_lbufsize,0},
  97          {"-ebufsize",0,&_ebufsize,0},
  98          #endif
  99          #ifdef NETWORK
 100          {"-connect",&docheckie[0],&netplayhost,0x4001},
 101          {"-server",&docheckie[1],0,0},
 102          {"-netport",0,&Port,0},
 103          #endif
 104          {0,0,0,0}
 105 };
 106
 107
 108
 109
 110
 111 void GetBaseDirectory(char *BaseDirectory)
 112 {
 113  char *ol;
 114
 115 #ifdef GP2X
 116  ol="/mnt/sd/roms/nes";
 117 #else
 118  ol=getenv("HOME");
 119 #endif
 120  BaseDirectory[0]=0;
 121  if(ol)
 122  {
 123   strncpy(BaseDirectory,ol,2047);
 124   BaseDirectory[2047]=0;
 125 #ifdef GP2X
 126   strcat(BaseDirectory,"/fceultra");
 127 #else
 128   strcat(BaseDirectory,"/.fceultra");
 129 #endif
 130  }
 131 }
 132
 133 static void SetDefaults(void)
 134 {
 135  _xres=320;
 136  _yres=240;
 137  _fullscreen=0;
 138  _sound=SOUND_RATE; // 48000 wrong
 139  #ifdef DSPSOUND
 140  _f8bit=0;
 141  #else
 142  _lbufsize=10;
 143  _ebufsize=8;
 144  #endif
 145  _xscale=_yscale=_xscalefs=_yscalefs=1;
 146  _efx=_efxfs=0;
 147  //_fshack=_fshacksave=0;
 148  memset(joy,0,sizeof(joy));
 149 }
 150
 151 void DoDriverArgs(void)
 152 {
 153         int x;
 154
 155         #ifdef BROKEN
 156         if(_fshack)
 157         {
 158          if(_fshack[0]=='0')
 159           if(_fshack[1]==0)
 160           {
 161            free(_fshack);
 162            _fshack=0;
 163           }
 164         }
 165         #endif
 166
 167         #ifdef NETWORK
 168         if(docheckie[0])
 169          netplay=2;
 170         else if(docheckie[1])
 171          netplay=1;
 172
 173         if(netplay)
 174          FCEUI_SetNetworkPlay(netplay);
 175         #endif
 176
 177         for(x=0;x<4;x++)
 178          if(!joy[x])
 179          {
 180           memset(joyBMap[x],0,sizeof(joyBMap[0]));
 181           memset(joyAMap[x],0,sizeof(joyAMap[0]));
 182          }
 183 }
 184 int InitMouse(void)
 185 {
 186  return(0);
 187 }
 188 void KillMouse(void){}
 189 void GetMouseData(uint32 *d)
 190 {
 191 #ifndef GP2X
 192  int x,y;
 193  uint32 t;
 194
 195  t=SDL_GetMouseState(&x,&y);
 196  d[2]=0;
 197  if(t&SDL_BUTTON(1))
 198   d[2]|=1;
 199  if(t&SDL_BUTTON(3))
 200   d[2]|=2;
 201  t=PtoV(x,y);
 202  d[0]=t&0xFFFF;
 203  d[1]=(t>>16)&0xFFFF;
 204 #endif
 205 }
 206
 207 int InitKeyboard(void)
 208 {
 209  return(1);
 210 }
 211
 212 int UpdateKeyboard(void)
 213 {
 214  return(1);
 215 }
 216
 217 void KillKeyboard(void)
 218 {
 219
 220 }
 221
 222 char *GetKeyboard(void)
 223 {
 224 #ifndef GP2X
 225  SDL_PumpEvents();
 226  return (char *)(SDL_GetKeyState(0));
 227 #else
 228  return NULL;
 229 #endif
 230 }
 231 #include "unix-basedir.h"
 232 extern int showfps;
 233 extern int swapbuttons;
 234
 235 int main(int argc, char *argv[])
 236 {
 237
 238         puts("Starting GPFCE - Port version 0.2 05-29-2006");
 239         puts("Based on FCE Ultra "VERSION_STRING"...");
 240         puts("Ported by Zheng Zhu\n");
 241 #ifdef GP2X
 242          //  stereo
 243          //gp2x_init (1000, 8, SOUND_RATE, 16, 1, 60);
 244
 245          // mono 44khz
 246         //gp2x_init (1000, 8, SOUND_RATE<<1, 16, 0, 60);
 247          // mono 22khz
 248         gp2x_init (1000, 8, SOUND_RATE, 16, 0, 60);
 249
 250         SetDefaults();
 251         int ret=CLImain(argc,argv);
 252
 253         // unscale the screen, in case this is bad.
 254         SetVideoScaling(320, 320, 240);
 255
 256         gp2x_deinit();
 257         // make sure sound thread has exited cleanly
 258         while (gp2x_in_sound_thread) pthread_yield();
 259         printf("Sound thread exited\n");
 260         printf("Exiting main().  terminated");
 261         if (showfps && swapbuttons)
 262         {
 263           execl("./selector","./selector","./gpfce_showfps_swapbuttons_config",NULL);
 264         }
 265         else if (showfps)
 266         {
 267           execl("./selector","./selector","./gpfce_showfps_config",NULL);
 268         }
 269         else if (swapbuttons)
 270         {
 271           execl("./selector","./selector","./gpfce_swapbuttons_config",NULL);
 272         }
 273         else
 274         {
 275           execl("./selector","./selector","./gpfce_config",NULL);
 276         }
 277         return(ret?0:-1);
 278 #else
 279         gp2x_init (1000, 8, SOUND_RATE, 16, 1, 60);
 280
 281         if(SDL_Init(0))
 282         {
 283          printf("Could not initialize SDL: %s.\n", SDL_GetError());
 284          return(-1);
 285         }
 286         SetDefaults();
 287
 288         #ifdef BROKEN
 289         if(getenv("SDL_VIDEODRIVER"))
 290         {
 291          if((_fshacksave=malloc(strlen(getenv("SDL_VIDEODRIVER"))+1)))
 292           strcpy(_fshacksave,getenv("SDL_VIDEODRIVER"));
 293         }
 294         else
 295          _fshacksave=0;
 296         #endif
 297
 298         {
 299          int ret=CLImain(argc,argv);
 300          SDL_Quit();
 301          // make sure sound thread has exited cleanly
 302          while (gp2x_in_sound_thread) pthread_yield();
 303          printf("Sound thread exited\n");
 304          printf("Exiting main().  terminated");
 305          return(ret);
 306         }
 307 #endif
 308 }
 309