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 extern uint8 PAL;
  23
  24 int CLImain(int argc, char *argv[]);
  25
  26 DSETTINGS Settings;
  27 CFGSTRUCT DriverConfig[]={
  28         ACA(Settings.KeyBinds),
  29         ACA(Settings.JoyBinds),
  30         AC(Settings.turbo_rate_add),
  31         AC(Settings.sound_rate),
  32         AC(Settings.showfps),
  33         AC(Settings.scaling),
  34         AC(Settings.frameskip),
  35         AC(Settings.sstate_confirm),
  36         AC(Settings.region_force),
  37         AC(Settings.cpuclock),
  38         AC(Settings.mmuhack),
  39         AC(Settings.ramtimings),
  40         AC(Settings.gamma),
  41         AC(Settings.perfect_vsync),
  42         AC(Settings.accurate_mode),
  43         ENDCFGSTRUCT
  44 };
  45
  46
  47 char *DriverUsage=
  48 "-joyx   y       Use joystick y as virtual joystick x.\n\
  49 -sound x        Sound.\n\
  50                  0 = Disabled.\n\
  51                  Otherwise, x = playback rate.\n\
  52 -showfps x      Display fps counter if x is nonzero\n\
  53 -mmuhack x      Enable squidge's MMU hack if x is nonzero (GP2X).\n\
  54 -ramtimings x   Enable RAM overclocking if x is nonzero (GP2X).\n\
  55 "
  56 #ifdef NETWORK
  57 "-connect s      Connect to server 's' for TCP/IP network play.\n\
  58 -server         Be a host/server for TCP/IP network play.\n\
  59 -netport x      Use TCP/IP port x for network play."
  60 #endif
  61 ;
  62
  63 #ifdef NETWORK
  64 static int docheckie[2]={0,0};
  65 #endif
  66 ARGPSTRUCT DriverArgs[]={
  67          {"-sound",0,&Settings.sound_rate,0},
  68          {"-showfps",0,&Settings.showfps,0},
  69          {"-mmuhack",0,&Settings.mmuhack,0},
  70          {"-ramtimings",0,&Settings.ramtimings,0},
  71          {"-menu",0,&ext_menu,0x4001},
  72          {"-menustate",0,&ext_state,0x4001},
  73          #ifdef NETWORK
  74          {"-connect",&docheckie[0],&netplayhost,0x4001},
  75          {"-server",&docheckie[1],0,0},
  76          {"-netport",0,&Port,0},
  77          #endif
  78          {0,0,0,0}
  79 };
  80
  81
  82
  83 void GetBaseDirectory(char *BaseDirectory)
  84 {
  85  strcpy(BaseDirectory, "fceultra");
  86 }
  87
  88 static void SetDefaults(void)
  89 {
  90  memset(&Settings,0,sizeof(Settings));
  91  Settings.cpuclock = 150;
  92  Settings.frameskip = -1; // auto
  93  Settings.mmuhack = 1;
  94  Settings.sound_rate = 22050;
  95  Settings.turbo_rate_add = (8*2 << 24) / 60 + 1; // 8Hz turbofire
  96  Settings.gamma = 100;
  97  Settings.sstate_confirm = 1;
  98  // default controls, RLDU SEBA
  99  Settings.KeyBinds[ 0] = 0x010; // GP2X_UP
 100  Settings.KeyBinds[ 4] = 0x020; // GP2X_DOWN
 101  Settings.KeyBinds[ 2] = 0x040; // GP2X_LEFT
 102  Settings.KeyBinds[ 6] = 0x080; // GP2X_RIGHT
 103  Settings.KeyBinds[13] = 0x001; // GP2X_B
 104  Settings.KeyBinds[14] = 0x002; // GP2X_X
 105  Settings.KeyBinds[12] = 0x100; // GP2X_A
 106  Settings.KeyBinds[15] = 0x200; // GP2X_Y
 107  Settings.KeyBinds[ 8] = 0x008; // GP2X_START
 108  Settings.KeyBinds[ 9] = 0x004; // GP2X_SELECT
 109  Settings.KeyBinds[10] = 0x80000000; // GP2X_L
 110  Settings.KeyBinds[11] = 0x40000000; // GP2X_R
 111  Settings.KeyBinds[27] = 0xc0000000; // GP2X_PUSH
 112 }
 113
 114 void DoDriverArgs(void)
 115 {
 116         #ifdef NETWORK
 117         if(docheckie[0])
 118          netplay=2;
 119         else if(docheckie[1])
 120          netplay=1;
 121
 122         if(netplay)
 123          FCEUI_SetNetworkPlay(netplay);
 124         #endif
 125 }
 126
 127
 128 char **g_argv;
 129 int mmuhack_status = 0;
 130
 131
 132 // TODO: cleanup
 133 int main(int argc, char *argv[])
 134 {
 135         int ret;
 136         g_argv = argv;
 137
 138         printf("Starting GPFCE - Port version " GP2X_PORT_VERSION " r%i (" __DATE__ ")\n", GP2X_PORT_REV);
 139         puts("Based on FCE Ultra "VERSION_STRING" and 0.98.1x versions");
 140         puts("Original port by Zheng Zhu");
 141         puts("Menu/optimization/misc work by notaz\n");
 142
 143         gp2x_init();
 144         cpuctrl_init();
 145
 146         SetDefaults();
 147
 148         ret = CLImain(argc,argv);
 149
 150         // unscale the screen, in case it is bad.
 151         gp2x_video_RGB_setscaling(320, 240);
 152
 153         if (mmuhack_status > 0)
 154                 mmuunhack();
 155
 156         set_gamma(100);
 157         cpuctrl_deinit();
 158         gp2x_deinit();
 159
 160         return(ret?0:-1);
 161 }
 162
 163
 164 /* optional GP2X stuff to be done after config is loaded */
 165 void gp2x_opt_setup(void)
 166 {
 167         if (Settings.mmuhack) {
 168                 int ret = mmuhack();
 169                 printf("squidge hack code finished and returned %s\n", ret > 0 ? "ok" : "fail");
 170                 fflush(stdout);
 171                 mmuhack_status = ret;
 172         }
 173         if (Settings.ramtimings) {
 174                 printf("setting RAM timings.. "); fflush(stdout);
 175                 // craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2
 176                 set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);
 177                 printf("done.\n"); fflush(stdout);
 178         }
 179 }
 180
 181 void gp2x_opt_update(void)
 182 {
 183         static int prev_cpuclock = 200, prev_gamma = 100, prev_vsync = 0, prev_pal = 0;
 184         if (Settings.cpuclock != 0 && Settings.cpuclock != prev_cpuclock)
 185         {
 186                 set_FCLK(Settings.cpuclock);
 187                 prev_cpuclock = Settings.cpuclock;
 188         }
 189
 190         if (Settings.gamma != 0 && Settings.gamma != prev_gamma)
 191         {
 192                 set_gamma(Settings.gamma);
 193                 prev_gamma = Settings.gamma;
 194         }
 195
 196         if (Settings.perfect_vsync != prev_vsync || (Settings.perfect_vsync && prev_pal != PAL))
 197         {
 198                 if (Settings.perfect_vsync)
 199                 {
 200                         set_LCD_custom_rate(PAL ? LCDR_100_02 : LCDR_120_20);
 201                         prev_pal = PAL;
 202                 }
 203                 else
 204                 {
 205                         unset_LCD_custom_rate();
 206                 }
 207                 prev_vsync = Settings.perfect_vsync;
 208         }
 209 }
 210
 211