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
  23 DSETTINGS Settings;
  24 CFGSTRUCT DriverConfig[]={
  25         ACA(Settings.KeyBinds),
  26         ACA(Settings.JoyBinds),
  27         AC(Settings.turbo_rate_add),
  28         AC(Settings.sound_rate),
  29         AC(Settings.showfps),
  30         AC(Settings.scaling),
  31         AC(Settings.frameskip),
  32         AC(Settings.sstate_confirm),
  33         AC(Settings.region_force),
  34         AC(Settings.cpuclock),
  35         AC(Settings.mmuhack),
  36         AC(Settings.ramtimings),
  37         AC(Settings.gamma),
  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          {"-sound",0,&Settings.sound_rate,0},
  64          {"-showfps",0,&Settings.showfps,0},
  65          {"-mmuhack",0,&Settings.mmuhack,0},
  66          {"-ramtimings",0,&Settings.ramtimings,0},
  67          {"-menu",0,&ext_menu,0x4001},
  68          {"-menustate",0,&ext_state,0x4001},
  69          #ifdef NETWORK
  70          {"-connect",&docheckie[0],&netplayhost,0x4001},
  71          {"-server",&docheckie[1],0,0},
  72          {"-netport",0,&Port,0},
  73          #endif
  74          {0,0,0,0}
  75 };
  76
  77
  78
  79 void GetBaseDirectory(char *BaseDirectory)
  80 {
  81  strcpy(BaseDirectory, "fceultra");
  82 }
  83
  84 static void SetDefaults(void)
  85 {
  86  memset(&Settings,0,sizeof(Settings));
  87  Settings.cpuclock = 150;
  88  Settings.frameskip = -1; // auto
  89  Settings.mmuhack = 1;
  90  Settings.sound_rate = SOUND_RATE;
  91  Settings.turbo_rate_add = (8*2 << 24) / 60 + 1; // 8Hz turbofire
  92  Settings.gamma = 100;
  93  // default controls, RLDU SEBA
  94  Settings.KeyBinds[ 0] = 0x010; // GP2X_UP
  95  Settings.KeyBinds[ 4] = 0x020; // GP2X_DOWN
  96  Settings.KeyBinds[ 2] = 0x040; // GP2X_LEFT
  97  Settings.KeyBinds[ 6] = 0x080; // GP2X_RIGHT
  98  Settings.KeyBinds[13] = 0x001; // GP2X_B
  99  Settings.KeyBinds[14] = 0x002; // GP2X_X
 100  Settings.KeyBinds[12] = 0x100; // GP2X_A
 101  Settings.KeyBinds[15] = 0x200; // GP2X_Y
 102  Settings.KeyBinds[ 8] = 0x008; // GP2X_START
 103  Settings.KeyBinds[ 9] = 0x004; // GP2X_SELECT
 104 }
 105
 106 void DoDriverArgs(void)
 107 {
 108         #ifdef NETWORK
 109         if(docheckie[0])
 110          netplay=2;
 111         else if(docheckie[1])
 112          netplay=1;
 113
 114         if(netplay)
 115          FCEUI_SetNetworkPlay(netplay);
 116         #endif
 117 }
 118
 119
 120 char **g_argv;
 121 int mmuhack_status = 0;
 122
 123
 124 // TODO: cleanup
 125 int main(int argc, char *argv[])
 126 {
 127         int ret;
 128         g_argv = argv;
 129
 130         puts("Starting GPFCE - Port version " GP2X_PORT_VERSION " (" __DATE__ ")");
 131         puts("Based on FCE Ultra "VERSION_STRING"...");
 132         puts("Ported by Zheng Zhu");
 133         puts("Additional optimization/misc work by notaz\n");
 134
 135         gp2x_init();
 136         cpuctrl_init();
 137
 138         SetDefaults();
 139
 140         ret = CLImain(argc,argv);
 141
 142         // unscale the screen, in case this is bad.
 143         gp2x_video_RGB_setscaling(0, 320, 240);
 144
 145         if (mmuhack_status > 0)
 146                 mmuunhack();
 147
 148         set_gamma(100);
 149         cpuctrl_deinit();
 150         gp2x_deinit();
 151
 152         return(ret?0:-1);
 153 }
 154
 155
 156 /* optional GP2X stuff to be done after config is loaded */
 157 void gp2x_opt_setup(void)
 158 {
 159         if (Settings.mmuhack) {
 160                 int ret = mmuhack();
 161                 printf("squidge hack code finished and returned %s\n", ret > 0 ? "ok" : "fail");
 162                 fflush(stdout);
 163                 mmuhack_status = ret;
 164         }
 165         if (Settings.ramtimings) {
 166                 printf("setting RAM timings.. "); fflush(stdout);
 167                 // craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2
 168                 set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);
 169                 printf("done.\n"); fflush(stdout);
 170         }
 171 }
 172
 173 void gp2x_cpuclock_gamma_update(void)
 174 {
 175         static int prev_cpuclock = 200, prev_gamma = 100;
 176         if (Settings.cpuclock != 0 && Settings.cpuclock != prev_cpuclock)
 177         {
 178                 set_FCLK(Settings.cpuclock);
 179                 prev_cpuclock = Settings.cpuclock;
 180         }
 181
 182         if (Settings.gamma != 0 && Settings.gamma != prev_gamma)
 183         {
 184                 set_gamma(Settings.gamma);
 185                 prev_gamma = Settings.gamma;
 186         }
 187 }
 188
 189