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 GP2X_PORT_REV =
  19 #include "rev.h"
  20 ;
  21
  22 int CLImain(int argc, char *argv[]);
  23
  24 DSETTINGS Settings;
  25 CFGSTRUCT DriverConfig[]={
  26         ACA(Settings.KeyBinds),
  27         ACA(Settings.JoyBinds),
  28         AC(Settings.turbo_rate_add),
  29         AC(Settings.sound_rate),
  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         AC(Settings.gamma),
  39         // TODO
  40         ENDCFGSTRUCT
  41 };
  42
  43
  44 char *DriverUsage=
  45 "-joyx   y       Use joystick y as virtual joystick x.\n\
  46 -sound x        Sound.\n\
  47                  0 = Disabled.\n\
  48                  Otherwise, x = playback rate.\n\
  49 -showfps x      Display fps counter if x is nonzero\n\
  50 -mmuhack x      Enable squidge's MMU hack if x is nonzero (GP2X).\n\
  51 -ramtimings x   Enable RAM overclocking if x is nonzero (GP2X).\n\
  52 "
  53 #ifdef NETWORK
  54 "-connect s      Connect to server 's' for TCP/IP network play.\n\
  55 -server         Be a host/server for TCP/IP network play.\n\
  56 -netport x      Use TCP/IP port x for network play."
  57 #endif
  58 ;
  59
  60 #ifdef NETWORK
  61 static int docheckie[2]={0,0};
  62 #endif
  63 ARGPSTRUCT DriverArgs[]={
  64          {"-sound",0,&Settings.sound_rate,0},
  65          {"-showfps",0,&Settings.showfps,0},
  66          {"-mmuhack",0,&Settings.mmuhack,0},
  67          {"-ramtimings",0,&Settings.ramtimings,0},
  68          {"-menu",0,&ext_menu,0x4001},
  69          {"-menustate",0,&ext_state,0x4001},
  70          #ifdef NETWORK
  71          {"-connect",&docheckie[0],&netplayhost,0x4001},
  72          {"-server",&docheckie[1],0,0},
  73          {"-netport",0,&Port,0},
  74          #endif
  75          {0,0,0,0}
  76 };
  77
  78
  79
  80 void GetBaseDirectory(char *BaseDirectory)
  81 {
  82  strcpy(BaseDirectory, "fceultra");
  83 }
  84
  85 static void SetDefaults(void)
  86 {
  87  memset(&Settings,0,sizeof(Settings));
  88  Settings.cpuclock = 150;
  89  Settings.frameskip = -1; // auto
  90  Settings.mmuhack = 1;
  91  Settings.sound_rate = 22050;
  92  Settings.turbo_rate_add = (8*2 << 24) / 60 + 1; // 8Hz turbofire
  93  Settings.gamma = 100;
  94  Settings.sstate_confirm = 1;
  95  // default controls, RLDU SEBA
  96  Settings.KeyBinds[ 0] = 0x010; // GP2X_UP
  97  Settings.KeyBinds[ 4] = 0x020; // GP2X_DOWN
  98  Settings.KeyBinds[ 2] = 0x040; // GP2X_LEFT
  99  Settings.KeyBinds[ 6] = 0x080; // GP2X_RIGHT
 100  Settings.KeyBinds[13] = 0x001; // GP2X_B
 101  Settings.KeyBinds[14] = 0x002; // GP2X_X
 102  Settings.KeyBinds[12] = 0x100; // GP2X_A
 103  Settings.KeyBinds[15] = 0x200; // GP2X_Y
 104  Settings.KeyBinds[ 8] = 0x008; // GP2X_START
 105  Settings.KeyBinds[ 9] = 0x004; // GP2X_SELECT
 106  Settings.KeyBinds[10] = 0x80000000; // GP2X_L
 107  Settings.KeyBinds[11] = 0x40000000; // GP2X_R
 108  Settings.KeyBinds[27] = 0xc0000000; // GP2X_PUSH
 109 }
 110
 111 void DoDriverArgs(void)
 112 {
 113         #ifdef NETWORK
 114         if(docheckie[0])
 115          netplay=2;
 116         else if(docheckie[1])
 117          netplay=1;
 118
 119         if(netplay)
 120          FCEUI_SetNetworkPlay(netplay);
 121         #endif
 122 }
 123
 124
 125 char **g_argv;
 126 int mmuhack_status = 0;
 127
 128
 129 // TODO: cleanup
 130 int main(int argc, char *argv[])
 131 {
 132         int ret;
 133         g_argv = argv;
 134
 135         printf("Starting GPFCE - Port version " GP2X_PORT_VERSION " r%i (" __DATE__ ")\n", GP2X_PORT_REV);
 136         puts("Based on FCE Ultra "VERSION_STRING" and 0.98.1x versions");
 137         puts("Original port by Zheng Zhu");
 138         puts("Menu/optimization/misc work by notaz\n");
 139
 140         gp2x_init();
 141         cpuctrl_init();
 142
 143         SetDefaults();
 144
 145         ret = CLImain(argc,argv);
 146
 147         // unscale the screen, in case this is bad.
 148         gp2x_video_RGB_setscaling(0, 320, 240);
 149
 150         if (mmuhack_status > 0)
 151                 mmuunhack();
 152
 153         set_gamma(100);
 154         cpuctrl_deinit();
 155         gp2x_deinit();
 156
 157         return(ret?0:-1);
 158 }
 159
 160
 161 /* optional GP2X stuff to be done after config is loaded */
 162 void gp2x_opt_setup(void)
 163 {
 164         if (Settings.mmuhack) {
 165                 int ret = mmuhack();
 166                 printf("squidge hack code finished and returned %s\n", ret > 0 ? "ok" : "fail");
 167                 fflush(stdout);
 168                 mmuhack_status = ret;
 169         }
 170         if (Settings.ramtimings) {
 171                 printf("setting RAM timings.. "); fflush(stdout);
 172                 // craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2
 173                 set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);
 174                 printf("done.\n"); fflush(stdout);
 175         }
 176 }
 177
 178 void gp2x_cpuclock_gamma_update(void)
 179 {
 180         static int prev_cpuclock = 200, prev_gamma = 100;
 181         if (Settings.cpuclock != 0 && Settings.cpuclock != prev_cpuclock)
 182         {
 183                 set_FCLK(Settings.cpuclock);
 184                 prev_cpuclock = Settings.cpuclock;
 185         }
 186
 187         if (Settings.gamma != 0 && Settings.gamma != prev_gamma)
 188         {
 189                 set_gamma(Settings.gamma);
 190                 prev_gamma = Settings.gamma;
 191         }
 192 }
 193
 194