drivers/gp2x/input.c

   1 /* FCE Ultra - NES/Famicom Emulator
   2  *
   3  * Copyright notice for this file:
   4  *  Copyright (C) 2002 Ben Parnell
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #define JOY_A   1
  22 #define JOY_B   2
  23 #define JOY_SELECT      4
  24 #define JOY_START       8
  25 #define JOY_UP  0x10
  26 #define JOY_DOWN        0x20
  27 #define JOY_LEFT        0x40
  28 #define JOY_RIGHT       0x80
  29
  30 #include "minimal.h"
  31
  32 extern uint8 Exit; // exit emu loop
  33
  34
  35 /* UsrInputType[] is user-specified.  InputType[] is current
  36         (game loading can override user settings)
  37 */
  38 static int UsrInputType[2]={SI_GAMEPAD,SI_GAMEPAD};
  39 static int InputType[2];
  40
  41 static int UsrInputTypeFC={SI_NONE};
  42 static int InputTypeFC;
  43
  44 static uint32 JSreturn;
  45 int NoWaiting=0;
  46
  47 static int powerpadsc[2][12];
  48 static int powerpadside=0;
  49
  50
  51 static uint32 MouseData[3];
  52 static uint8 fkbkeys[0x48];
  53 unsigned long lastpad=0;
  54
  55 char soundvolmeter[21];
  56 int soundvolIndex=0;
  57
  58
  59 static void setsoundvol(int soundvolume)
  60 {
  61     //FCEUI_SetSoundVolume(soundvol);
  62     // draw on screen :D
  63     gp2x_sound_volume(soundvolume, soundvolume);
  64     int meterval=soundvolume/5;
  65     for (soundvolIndex=0; soundvolIndex < 20; soundvolIndex++)
  66     {
  67        if (soundvolIndex < meterval)
  68        {
  69           soundvolmeter[soundvolIndex]='*';
  70        }
  71        else
  72        {
  73           soundvolmeter[soundvolIndex]='_';
  74        }
  75     }
  76     soundvolmeter[20]=0;
  77     FCEU_DispMessage("|%s|", soundvolmeter);
  78 }
  79
  80
  81
  82 void FCEUD_UpdateInput(void)
  83 {
  84         static int volpushed_frames = 0;
  85         static int turbo_rate_cnt_a = 0, turbo_rate_cnt_b = 0;
  86         long lastpad2 = lastpad;
  87         unsigned long keys = gp2x_joystick_read(0);
  88         uint32 JS = 0; // RLDU SEBA
  89         int i;
  90
  91         #define down(b) (keys & GP2X_##b)
  92         if ((down(VOL_DOWN) && down(VOL_UP)) || (keys & (GP2X_L|GP2X_L|GP2X_START)) == (GP2X_L|GP2X_L|GP2X_START))
  93         {
  94                 Exit = 1;
  95                 JSreturn = 0;
  96                 return;
  97         }
  98         else if (down(VOL_UP))
  99         {
 100                 /* wait for at least 10 updates, because user may be just trying to enter menu */
 101                 if (volpushed_frames++ > 10) {
 102                         soundvol++;
 103                         if (soundvol > 100) soundvol=100;
 104                         //FCEUI_SetSoundVolume(soundvol);
 105                         setsoundvol(soundvol);
 106                 }
 107         }
 108         else if (down(VOL_DOWN))
 109         {
 110                 if (volpushed_frames++ > 10) {
 111                         soundvol-=1;
 112                         if (soundvol < 0) soundvol=0;
 113                         //FCEUI_SetSoundVolume(soundvol);
 114                         setsoundvol(soundvol);
 115                 }
 116         }
 117         else
 118         {
 119                 volpushed_frames = 0;
 120         }
 121
 122
 123         for (i = 0; i < 32; i++)
 124         {
 125                 if (keys & (1 << i)) {
 126                         int acts = Settings.KeyBinds[i];
 127                         if (!acts) continue;
 128                         JS |= acts & 0xff;
 129                         if (acts & 0x100) {             // A turbo
 130                                 turbo_rate_cnt_a += Settings.turbo_rate_add;
 131                                 JS |= (turbo_rate_cnt_a >> 24) & 1;
 132                         }
 133                         if (acts & 0x200) {             // B turbo
 134                                 turbo_rate_cnt_b += Settings.turbo_rate_add;
 135                                 JS |= (turbo_rate_cnt_b >> 23) & 2;
 136                         }
 137                 }
 138         }
 139
 140
 141         JSreturn = JS;
 142         lastpad=keys;
 143
 144         //JSreturn=(JS&0xFF000000)|(JS&0xFF)|((JS&0xFF0000)>>8)|((JS&0xFF00)<<8);
 145
 146 #define pad keys
 147
 148   //  JSreturn=(JSreturn&0xFF000000)|(JSreturn&0xFF)|((JSreturn&0xFF0000)>>8)|((JSreturn&0xFF00)<<8);
 149   // TODO: make these bindable, use new interface
 150   if(gametype==GIT_FDS)
 151   {
 152     NoWaiting&=~1;
 153         if ((pad & GP2X_PUSH) && (!(pad & GP2X_SELECT)) && (!(pad & GP2X_L)) && (!(pad & GP2X_R)) && (!(lastpad2 & GP2X_PUSH)))
 154         {
 155       DriverInterface(DES_FDSSELECT,0);
 156         }
 157         else if ((pad & GP2X_L) && (!(pad & GP2X_SELECT)) && (!(pad & GP2X_PUSH)) && (!(pad & GP2X_R))&& (!(lastpad2 & GP2X_L)))
 158         {
 159       DriverInterface(DES_FDSINSERT,0);
 160         }
 161         else if ((pad & GP2X_R) && (!(pad & GP2X_SELECT)) && (!(pad & GP2X_L)) && (!(pad & GP2X_PUSH)) && (!(lastpad2 & GP2X_R)))
 162         {
 163       DriverInterface(DES_FDSEJECT,0);
 164         }
 165   }
 166   return;
 167 }
 168
 169
 170 static void InitOtherInput(void)
 171 {
 172
 173    void *InputDPtr;
 174
 175    int t;
 176    int x;
 177    int attrib;
 178
 179    for(t=0,x=0;x<2;x++)
 180    {
 181     attrib=0;
 182     InputDPtr=0;
 183     switch(InputType[x])
 184     {
 185       //case SI_POWERPAD:InputDPtr=&powerpadbuf[x];break;
 186      case SI_GAMEPAD:InputDPtr=((uint8 *)&JSreturn)+(x<<1);break;
 187      case SI_ARKANOID:InputDPtr=MouseData;t|=1;break;
 188      case SI_ZAPPER:InputDPtr=MouseData;
 189                                 t|=1;
 190                                 attrib=1;
 191                                 break;
 192     }
 193     FCEUI_SetInput(x,InputType[x],InputDPtr,attrib);
 194    }
 195
 196    attrib=0;
 197    InputDPtr=0;
 198    switch(InputTypeFC)
 199    {
 200     case SIFC_SHADOW:InputDPtr=MouseData;t|=1;attrib=1;break;
 201     case SIFC_ARKANOID:InputDPtr=MouseData;t|=1;break;
 202     case SIFC_FKB:InputDPtr=fkbkeys;break;
 203    }
 204
 205    FCEUI_SetInputFC(InputTypeFC,InputDPtr,attrib);
 206    FCEUI_DisableFourScore(eoptions&EO_NOFOURSCORE);
 207
 208    if(t && !(inited&16))
 209    {
 210     InitMouse();
 211     inited|=16;
 212    }
 213 }