Shamusworld >> Repos - virtualjaguar/blob - src/joystick.cpp

   1 #ifndef __PORT__\r
   2 #include "include/stdafx.h"\r
   3 #include <mmsystem.h>\r
   4 #endif\r
   5 #include <time.h>\r
   6 #include <SDL.h>\r
   7 #include "include/SDLptc.h"\r
   8 #include "include/jaguar.h"\r
   9 \r
  10 void main_screen_switch(void);\r
  11 \r
  12 \r
  13 #define BUTTON_U                0\r
  14 #define BUTTON_D                1\r
  15 #define BUTTON_L                2\r
  16 #define BUTTON_R                3\r
  17 #define BUTTON_1                4\r
  18 #define BUTTON_4                5\r
  19 #define BUTTON_7                6\r
  20 #define BUTTON_s                7\r
  21 #define BUTTON_0                8\r
  22 #define BUTTON_8                9\r
  23 #define BUTTON_5                10\r
  24 #define BUTTON_2                11\r
  25 #define BUTTON_d                12\r
  26 #define BUTTON_9                13\r
  27 #define BUTTON_6                14\r
  28 #define BUTTON_3                15\r
  29 \r
  30 \r
  31 #define BUTTON_A                16\r
  32 #define BUTTON_B                17\r
  33 #define BUTTON_C                18\r
  34 #define BUTTON_OPTION   19\r
  35 #define BUTTON_PAUSE    20\r
  36 \r
  37 static uint8 joystick_ram[4];\r
  38 static uint8 joypad_0_buttons[21];\r
  39 static uint8 joypad_1_buttons[21];\r
  40 extern uint8 finished;\r
  41 extern int start_logging;\r
  42 \r
  43 //////////////////////////////////////////////////////////////////////////////\r
  44 //\r
  45 //////////////////////////////////////////////////////////////////////////////\r
  46 //\r
  47 //\r
  48 //\r
  49 //////////////////////////////////////////////////////////////////////////////\r
  50 void joystick_init(void)\r
  51 {\r
  52         joystick_reset();\r
  53 }\r
  54 //////////////////////////////////////////////////////////////////////////////\r
  55 //\r
  56 //////////////////////////////////////////////////////////////////////////////\r
  57 //\r
  58 //\r
  59 //\r
  60 //////////////////////////////////////////////////////////////////////////////\r
  61 void joystick_exec(void)\r
  62 {\r
  63 \r
  64         uint8    *keystate = SDL_GetKeyState(NULL);\r
  65         Sint16    x = 0, y = 0;\r
  66         extern   Console console;\r
  67         \r
  68         memset(joypad_0_buttons,0,21);\r
  69         memset(joypad_1_buttons,0,21);\r
  70 \r
  71         if ((keystate[SDLK_LALT])&(keystate[SDLK_RETURN]))      main_screen_switch();\r
  72 \r
  73         /* Added/Changed by SDLEMU (http://sdlemu.ngemu.com) */\r
  74 \r
  75         if (keystate[SDLK_UP])          joypad_0_buttons[BUTTON_U]=0x01;\r
  76         if (keystate[SDLK_DOWN])        joypad_0_buttons[BUTTON_D]=0x01;\r
  77         if (keystate[SDLK_LEFT])        joypad_0_buttons[BUTTON_L]=0x01;\r
  78         if (keystate[SDLK_RIGHT])       joypad_0_buttons[BUTTON_R]=0x01;\r
  79         if (keystate[SDLK_z])           joypad_0_buttons[BUTTON_A]=0x01;\r
  80         if (keystate[SDLK_x])           joypad_0_buttons[BUTTON_B]=0x01;\r
  81         if (keystate[SDLK_c])           joypad_0_buttons[BUTTON_C]=0x01;\r
  82         if (keystate[SDLK_TAB])         joypad_0_buttons[BUTTON_OPTION]=0x01;\r
  83         if (keystate[SDLK_RETURN])      joypad_0_buttons[BUTTON_PAUSE]=0x01;\r
  84         if (keystate[SDLK_q])           start_logging=1;\r
  85         if (keystate[SDLK_w])           gpu_reset_stats();\r
  86 //f (keystate[SDLK_u])          jaguar_long_write(0xf1c384,jaguar_long_read(0xf1c384)+1);\r
  87 \r
  88         if (keystate[SDLK_KP0])         joypad_0_buttons[BUTTON_0]=0x01;\r
  89         if (keystate[SDLK_KP1])         joypad_0_buttons[BUTTON_1]=0x01;\r
  90         if (keystate[SDLK_KP2])         joypad_0_buttons[BUTTON_2]=0x01;\r
  91         if (keystate[SDLK_KP3])         joypad_0_buttons[BUTTON_3]=0x01;\r
  92         if (keystate[SDLK_KP4])         joypad_0_buttons[BUTTON_4]=0x01;\r
  93         if (keystate[SDLK_KP5])         joypad_0_buttons[BUTTON_5]=0x01;\r
  94         if (keystate[SDLK_KP6])         joypad_0_buttons[BUTTON_6]=0x01;\r
  95         if (keystate[SDLK_KP7])         joypad_0_buttons[BUTTON_7]=0x01;\r
  96         if (keystate[SDLK_KP8])         joypad_0_buttons[BUTTON_8]=0x01;\r
  97         if (keystate[SDLK_KP9])         joypad_0_buttons[BUTTON_9]=0x01;\r
  98         \r
  99     if (keystate[SDLK_ESCAPE])  finished=1;\r
 100     \r
 101     /* Added/Changed by SDLEMU (http://sdlemu.ngemu.com */\r
 102     /* Joystick support                                 */\r
 103     \r
 104     if ( console.JoyEnabled() == 1 ) {\r
 105     \r
 106         x = SDL_JoystickGetAxis(console.joystick, 0);\r
 107         y = SDL_JoystickGetAxis(console.joystick, 1);\r
 108         \r
 109         if ( x > 16384  ) joypad_0_buttons[BUTTON_R]=0x01;\r
 110         if ( x < -16384 ) joypad_0_buttons[BUTTON_L]=0x01;\r
 111         if ( y > 16384  ) joypad_0_buttons[BUTTON_D]=0x01;\r
 112         if ( y < -16384 ) joypad_0_buttons[BUTTON_U]=0x01;\r
 113         \r
 114         if (SDL_JoystickGetButton(console.joystick, 0) == SDL_PRESSED) joypad_0_buttons[BUTTON_A]=0x01;\r
 115         if (SDL_JoystickGetButton(console.joystick, 1) == SDL_PRESSED) joypad_0_buttons[BUTTON_B]=0x01;\r
 116         if (SDL_JoystickGetButton(console.joystick, 2) == SDL_PRESSED) joypad_0_buttons[BUTTON_C]=0x01;\r
 117 \r
 118         }\r
 119         \r
 120         /* ADDED by SDLEMU (http://sdlemu.ngemu.com */\r
 121         /* Needed to make sure that the events queue is empty */\r
 122     SDL_PumpEvents();            \r
 123 \r
 124 }\r
 125 //////////////////////////////////////////////////////////////////////////////\r
 126 //\r
 127 //////////////////////////////////////////////////////////////////////////////\r
 128 //\r
 129 //\r
 130 //\r
 131 //////////////////////////////////////////////////////////////////////////////\r
 132 void joystick_reset(void)\r
 133 {\r
 134         memset(joystick_ram,0x00,4);\r
 135         memset(joypad_0_buttons,0,21);\r
 136         memset(joypad_1_buttons,0,21);\r
 137 }\r
 138 //////////////////////////////////////////////////////////////////////////////\r
 139 //\r
 140 //////////////////////////////////////////////////////////////////////////////\r
 141 //\r
 142 //\r
 143 //\r
 144 //////////////////////////////////////////////////////////////////////////////\r
 145 void joystick_done(void)\r
 146 {\r
 147 }\r
 148 //////////////////////////////////////////////////////////////////////////////\r
 149 //\r
 150 //////////////////////////////////////////////////////////////////////////////\r
 151 //\r
 152 //\r
 153 //\r
 154 //////////////////////////////////////////////////////////////////////////////\r
 155 void joystick_byte_write(uint32 offset, uint8 data)\r
 156 {\r
 157         joystick_ram[offset&0x03]=data;\r
 158 }\r
 159 //////////////////////////////////////////////////////////////////////////////\r
 160 //\r
 161 //////////////////////////////////////////////////////////////////////////////\r
 162 //\r
 163 //\r
 164 //\r
 165 //////////////////////////////////////////////////////////////////////////////\r
 166 void joystick_word_write(uint32 offset, uint16 data)\r
 167 {\r
 168         offset&=0x03;\r
 169         joystick_ram[offset+0]=(data>>8)&0xff;\r
 170         joystick_ram[offset+1]=data&0xff;\r
 171 }\r
 172 //////////////////////////////////////////////////////////////////////////////\r
 173 //\r
 174 //////////////////////////////////////////////////////////////////////////////\r
 175 //\r
 176 //\r
 177 //\r
 178 //////////////////////////////////////////////////////////////////////////////\r
 179 uint8 joystick_byte_read(uint32 offset)\r
 180 {\r
 181         offset&=0x03;\r
 182 \r
 183         if (offset==0)\r
 184         {\r
 185                 uint8 data=0x00;\r
 186                 int pad0Index=joystick_ram[1]&0x0f;\r
 187                 int pad1Index=(joystick_ram[1]>>4)&0x0f;\r
 188                 \r
 189                 if (!(pad0Index&0x01)) \r
 190                         pad0Index=0;\r
 191                 else\r
 192                 if (!(pad0Index&0x02)) \r
 193                         pad0Index=1;\r
 194                 else\r
 195                 if (!(pad0Index&0x04)) \r
 196                         pad0Index=2;\r
 197                 else\r
 198                         pad0Index=3;\r
 199                 \r
 200                 if (!(pad1Index&0x01)) \r
 201                         pad1Index=0;\r
 202                 else\r
 203                 if (!(pad1Index&0x02)) \r
 204                         pad1Index=1;\r
 205                 else\r
 206                 if (!(pad1Index&0x04)) \r
 207                         pad1Index=2;\r
 208                 else\r
 209                         pad1Index=3;\r
 210 \r
 211                 if (joypad_0_buttons[(pad0Index<<2)+0]) data|=0x01;\r
 212                 if (joypad_0_buttons[(pad0Index<<2)+1]) data|=0x02;\r
 213                 if (joypad_0_buttons[(pad0Index<<2)+2]) data|=0x04;\r
 214                 if (joypad_0_buttons[(pad0Index<<2)+3]) data|=0x08;\r
 215                 if (joypad_1_buttons[(pad1Index<<2)+0]) data|=0x10;\r
 216                 if (joypad_1_buttons[(pad1Index<<2)+1]) data|=0x20;\r
 217                 if (joypad_1_buttons[(pad1Index<<2)+2]) data|=0x40;\r
 218                 if (joypad_1_buttons[(pad1Index<<2)+3]) data|=0x80;\r
 219                 return(~data);\r
 220         }\r
 221         else\r
 222         if (offset==3)\r
 223         {\r
 224                 uint8 data=((1<<5)|(1<<4)|0x0f) ;\r
 225                 int pad0Index=joystick_ram[1]&0x0f;\r
 226                 int pad1Index=(joystick_ram[1]>>4)&0x0f;\r
 227                 \r
 228                 if (!(pad0Index&0x01)) \r
 229                 {\r
 230                         if (joypad_0_buttons[BUTTON_PAUSE]) data^=0x01;\r
 231                         if (joypad_0_buttons[BUTTON_A]) data^=0x02;\r
 232                 }\r
 233                 else\r
 234                 if (!(pad0Index&0x02)) \r
 235                 {\r
 236                         if (joypad_0_buttons[BUTTON_B])          data^=0x02;\r
 237                 }\r
 238                 else\r
 239                 if (!(pad0Index&0x04)) \r
 240                 {\r
 241                         if (joypad_0_buttons[BUTTON_C]) data^=0x02;\r
 242                 }\r
 243                 else\r
 244                 {\r
 245                         if (joypad_0_buttons[BUTTON_OPTION]) data^=0x02;\r
 246                 }               \r
 247                 return(data);\r
 248         }\r
 249         return(joystick_ram[offset]);\r
 250 }\r
 251 //////////////////////////////////////////////////////////////////////////////\r
 252 //\r
 253 //////////////////////////////////////////////////////////////////////////////\r
 254 //\r
 255 //\r
 256 //\r
 257 //////////////////////////////////////////////////////////////////////////////\r
 258 uint16 joystick_word_read(uint32 offset)\r
 259 {\r
 260         uint16 data=joystick_byte_read((offset+0)&0x03);\r
 261         data<<=8;\r
 262         data|=joystick_byte_read((offset+1)&0x03);\r
 263         return(data);\r
 264 }\r