drivers/gp2x/gp2x.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "../../driver.h"
   6 #include "../common/config.h"
   7 #include "../common/args.h"
   8 #include "gp2x.h"
   9 #include "gp2x-video.h"
  10 #ifdef NETWORK
  11 #include "unix-netplay.h"
  12 #endif
  13
  14 #include "minimal.h"
  15 #include "cpuctrl.h"
  16 #include "squidgehack.h"
  17
  18 int CLImain(int argc, char *argv[]);
  19
  20 //#define SOUND_RATE 44100
  21 #define SOUND_RATE 22050
  22 #define GP2X_PORT_VERSION "0.4"
  23
  24 DSETTINGS Settings;
  25 CFGSTRUCT DriverConfig[]={
  26         AC(Settings.sound),
  27         ACA(Settings.joyBMap),
  28         ACA(Settings.joyAMap),
  29         ACA(Settings.joy),
  30         AC(Settings.showfps),
  31         AC(Settings.scaling),
  32         AC(Settings.frameskip),
  33         AC(Settings.sstate_confirm),
  34         AC(Settings.region_force),
  35         AC(Settings.cpuclock),
  36         AC(Settings.mmuhack),
  37         AC(Settings.ramtimings),
  38         // TODO
  39         ENDCFGSTRUCT
  40 };
  41
  42
  43 char *DriverUsage=
  44 "-joyx   y       Use joystick y as virtual joystick x.\n\
  45 -sound x        Sound.\n\
  46                  0 = Disabled.\n\
  47                  Otherwise, x = playback rate.\n\
  48 -showfps x      Display fps counter if x is nonzero\n\
  49 -mmuhack x      Enable squidge's MMU hack if x is nonzero (GP2X).\n\
  50 -ramtimings x   Enable RAM overclocking if x is nonzero (GP2X).\n\
  51 "
  52 #ifdef NETWORK
  53 "-connect s      Connect to server 's' for TCP/IP network play.\n\
  54 -server         Be a host/server for TCP/IP network play.\n\
  55 -netport x      Use TCP/IP port x for network play."
  56 #endif
  57 ;
  58
  59 #ifdef NETWORK
  60 static int docheckie[2]={0,0};
  61 #endif
  62 ARGPSTRUCT DriverArgs[]={
  63          {"-joy1",0,&Settings.joy[0],0},{"-joy2",0,&Settings.joy[1],0},
  64          {"-joy3",0,&Settings.joy[2],0},{"-joy4",0,&Settings.joy[3],0},
  65          {"-sound",0,&Settings.sound,0},
  66          {"-showfps",0,&Settings.showfps,0},
  67          {"-mmuhack",0,&Settings.mmuhack,0},
  68          {"-ramtimings",0,&Settings.ramtimings,0},
  69          {"-menu",0,&ext_menu,0x4001},
  70          {"-menustate",0,&ext_state,0x4001},
  71          #ifdef NETWORK
  72          {"-connect",&docheckie[0],&netplayhost,0x4001},
  73          {"-server",&docheckie[1],0,0},
  74          {"-netport",0,&Port,0},
  75          #endif
  76          {0,0,0,0}
  77 };
  78
  79
  80
  81 void GetBaseDirectory(char *BaseDirectory)
  82 {
  83  strcpy(BaseDirectory, "fceultra");
  84 }
  85
  86 static void SetDefaults(void)
  87 {
  88  memset(&Settings,0,sizeof(Settings));
  89  Settings.cpuclock = 150;
  90  Settings.frameskip = -1; // auto
  91  Settings.mmuhack = 1;
  92  Settings.sound=SOUND_RATE;
  93 }
  94
  95 void DoDriverArgs(void)
  96 {
  97         int x;
  98
  99         #ifdef NETWORK
 100         if(docheckie[0])
 101          netplay=2;
 102         else if(docheckie[1])
 103          netplay=1;
 104
 105         if(netplay)
 106          FCEUI_SetNetworkPlay(netplay);
 107         #endif
 108
 109         for(x=0;x<4;x++)
 110          if(!Settings.joy[x])
 111          {
 112           memset(Settings.joyBMap[x],0,sizeof(Settings.joyBMap[0]));
 113           memset(Settings.joyAMap[x],0,sizeof(Settings.joyAMap[0]));
 114          }
 115 }
 116
 117 int InitMouse(void)
 118 {
 119  return(0);
 120 }
 121
 122 void KillMouse(void){}
 123
 124 void GetMouseData(uint32 *d)
 125 {
 126 }
 127
 128 int InitKeyboard(void)
 129 {
 130  return(1);
 131 }
 132
 133 int UpdateKeyboard(void)
 134 {
 135  return(1);
 136 }
 137
 138 void KillKeyboard(void)
 139 {
 140
 141 }
 142
 143 char *GetKeyboard(void)
 144 {
 145  return NULL;
 146 }
 147
 148 extern int swapbuttons; // TODO: rm
 149 char **g_argv;
 150
 151
 152 // TODO: cleanup
 153 int main(int argc, char *argv[])
 154 {
 155         int ret;
 156         g_argv = argv;
 157
 158         puts("Starting GPFCE - Port version " GP2X_PORT_VERSION " (" __DATE__ ")");
 159         puts("Based on FCE Ultra "VERSION_STRING"...");
 160         puts("Ported by Zheng Zhu");
 161         puts("Additional optimization/misc work by notaz\n");
 162
 163         gp2x_init();
 164         cpuctrl_init();
 165
 166         // unscale the screen, in case this is bad.
 167         gp2x_video_changemode(8);
 168         gp2x_video_RGB_setscaling(0, 320, 240);
 169
 170         SetDefaults();
 171
 172         ret = CLImain(argc,argv);
 173
 174         // unscale the screen, in case this is bad.
 175         gp2x_video_RGB_setscaling(0, 320, 240);
 176
 177         cpuctrl_deinit();
 178         gp2x_deinit();
 179
 180         return(ret?0:-1);
 181 }
 182
 183
 184 int mmuhack_status = 0;
 185
 186 /* optional GP2X stuff to be done after config is loaded */
 187 void gp2x_opt_setup(void)
 188 {
 189         if (Settings.mmuhack) {
 190                 int ret = mmuhack();
 191                 printf("squidge hack code finished and returned %i\n", ret); fflush(stdout);
 192                 mmuhack_status = ret;
 193         }
 194         if (Settings.ramtimings) {
 195                 printf("setting RAM timings.. "); fflush(stdout);
 196                 // craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2
 197                 set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);
 198                 printf("done.\n"); fflush(stdout);
 199         }
 200 }
 201