| 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 | |
| 33 | extern int swapbuttons; |
| 34 | extern int scaled_display; |
| 35 | extern int FSkip_setting; |
| 36 | |
| 37 | extern void SetVideoScaling(int pixels,int width,int height); |
| 38 | |
| 39 | |
| 40 | |
| 41 | /* UsrInputType[] is user-specified. InputType[] is current |
| 42 | (game loading can override user settings) |
| 43 | */ |
| 44 | static int UsrInputType[2]={SI_GAMEPAD,SI_GAMEPAD}; |
| 45 | static int InputType[2]; |
| 46 | |
| 47 | static int UsrInputTypeFC={SI_NONE}; |
| 48 | static int InputTypeFC; |
| 49 | |
| 50 | static uint32 JSreturn; |
| 51 | int NoWaiting=0; |
| 52 | |
| 53 | static int powerpadsc[2][12]; |
| 54 | static int powerpadside=0; |
| 55 | |
| 56 | |
| 57 | static uint32 MouseData[3]; |
| 58 | static uint8 fkbkeys[0x48]; |
| 59 | unsigned long lastpad=0; |
| 60 | |
| 61 | extern void ResetNES(void); |
| 62 | extern void CleanSurface(void); |
| 63 | |
| 64 | char soundvolmeter[21]; |
| 65 | int soundvolIndex=0; |
| 66 | int L_count=0; |
| 67 | int R_count=0; |
| 68 | extern int CurrentState; |
| 69 | int TurboFireOff=1; |
| 70 | int TurboFireTop=0; // 0 is none // 1 is A & X turbo // 2 is Y & B turbo |
| 71 | int TurboFireBottom=0; |
| 72 | int turbo_toggle_A=0; |
| 73 | int turbo_toggle_B=0; |
| 74 | |
| 75 | |
| 76 | static void setsoundvol(int soundvolume) |
| 77 | { |
| 78 | //FCEUI_SetSoundVolume(soundvol); |
| 79 | // draw on screen :D |
| 80 | gp2x_sound_volume(soundvolume, soundvolume); |
| 81 | int meterval=soundvolume/5; |
| 82 | for (soundvolIndex=0; soundvolIndex < 20; soundvolIndex++) |
| 83 | { |
| 84 | if (soundvolIndex < meterval) |
| 85 | { |
| 86 | soundvolmeter[soundvolIndex]='*'; |
| 87 | } |
| 88 | else |
| 89 | { |
| 90 | soundvolmeter[soundvolIndex]='_'; |
| 91 | } |
| 92 | } |
| 93 | soundvolmeter[20]=0; |
| 94 | FCEU_DispMessage("|%s|", soundvolmeter); |
| 95 | } |
| 96 | |
| 97 | |
| 98 | |
| 99 | void FCEUD_UpdateInput(void) |
| 100 | { |
| 101 | long lastpad2=lastpad; |
| 102 | unsigned long pad=gp2x_joystick_read(); |
| 103 | uint32 JS=0; |
| 104 | |
| 105 | #define down(b) (pad & GP2X_##b) |
| 106 | #define last_down(b) (lastpad & GP2X_##b) |
| 107 | #define L_down (pad & GP2X_L) |
| 108 | #define R_down (pad & GP2X_R) |
| 109 | #define last_L_down (lastpad & GP2X_L) |
| 110 | #define last_R_down (lastpad & GP2X_R) |
| 111 | #define shift ((pad & GP2X_PUSH) || ((pad & (GP2X_VOL_UP|GP2X_VOL_DOWN)) == (GP2X_VOL_UP|GP2X_VOL_DOWN))) |
| 112 | #define last_shift ((lastpad & GP2X_PUSH) || ((lastpad & (GP2X_VOL_UP|GP2X_VOL_DOWN)) == (GP2X_VOL_UP|GP2X_VOL_DOWN))) |
| 113 | |
| 114 | if (L_down && R_down && !(pad & GP2X_PUSH) && !(last_R_down && last_L_down)) |
| 115 | { |
| 116 | ResetNES(); |
| 117 | puts("Reset"); |
| 118 | goto no_pad; |
| 119 | } |
| 120 | |
| 121 | if (down(VOL_UP) && !down(VOL_DOWN)) |
| 122 | { |
| 123 | soundvol+=1; |
| 124 | if (soundvol >= 100) soundvol=100; |
| 125 | //FCEUI_SetSoundVolume(soundvol); |
| 126 | setsoundvol(soundvol); |
| 127 | } |
| 128 | else if (down(VOL_DOWN) && !down(VOL_UP)) |
| 129 | { |
| 130 | soundvol-=1; |
| 131 | if (soundvol < 0) soundvol=0; |
| 132 | //FCEUI_SetSoundVolume(soundvol); |
| 133 | setsoundvol(soundvol); |
| 134 | } |
| 135 | |
| 136 | if (shift) |
| 137 | { |
| 138 | // only if it's something else then last time, and not moving around the joystick |
| 139 | if (!(pad & (GP2X_UP|GP2X_DOWN|GP2X_LEFT|GP2X_RIGHT))) |
| 140 | { |
| 141 | if (down(SELECT)) |
| 142 | { |
| 143 | if (last_down(SELECT) && last_shift) |
| 144 | { |
| 145 | // still pressed down from stretching from last one |
| 146 | goto no_pad; |
| 147 | } |
| 148 | scaled_display = !scaled_display; |
| 149 | |
| 150 | if (scaled_display) |
| 151 | { |
| 152 | SetVideoScaling(320, 256, 240); |
| 153 | } |
| 154 | else |
| 155 | { |
| 156 | SetVideoScaling(320, 320, 240); |
| 157 | } |
| 158 | |
| 159 | goto no_pad; |
| 160 | } |
| 161 | else if (L_down && R_down) |
| 162 | { |
| 163 | FCEUI_CloseGame(); |
| 164 | puts("Quit"); |
| 165 | goto no_pad; |
| 166 | } |
| 167 | else if (R_down && !(last_R_down && last_shift)) |
| 168 | { |
| 169 | FCEUI_LoadState(); |
| 170 | goto no_pad; |
| 171 | } |
| 172 | else if (L_down && !(last_L_down && last_shift)) |
| 173 | { |
| 174 | FCEUI_SaveState(); |
| 175 | goto no_pad; |
| 176 | } |
| 177 | else if (down(A) && !(last_down(A) && last_shift)) |
| 178 | { |
| 179 | FSkip_setting--; |
| 180 | if (FSkip_setting < 0) { |
| 181 | FSkip_setting = -1; |
| 182 | FCEUI_DispMessage("Auto frameskip"); |
| 183 | } |
| 184 | else |
| 185 | FCEUI_DispMessage("Frameskip: %i", FSkip_setting); |
| 186 | goto no_pad; |
| 187 | } |
| 188 | else if (down(Y) && !(last_down(Y) && last_shift)) |
| 189 | { |
| 190 | FSkip_setting++; |
| 191 | if (FSkip_setting > 8) FSkip_setting = 8; |
| 192 | FCEUI_DispMessage("Frameskip: %i", FSkip_setting); |
| 193 | goto no_pad; |
| 194 | } |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | // r is toggle savestate |
| 199 | if (R_down) |
| 200 | { |
| 201 | if (last_R_down) |
| 202 | { |
| 203 | R_count++; |
| 204 | if ((R_count & 31)== 31) |
| 205 | { |
| 206 | CurrentState=(CurrentState+1) % 10; |
| 207 | FCEUI_DispMessage("Now Using Save State %d", CurrentState); |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | else |
| 212 | { |
| 213 | R_count=0; |
| 214 | } |
| 215 | |
| 216 | // l is toggle turbo |
| 217 | if (L_down) |
| 218 | { |
| 219 | if (last_L_down) |
| 220 | { |
| 221 | L_count++; |
| 222 | if ((L_count & 31)== 31) |
| 223 | { |
| 224 | // 0 is none // 1 is Y & B turbo // 2 is X & A turbo |
| 225 | if ((!TurboFireTop) && (!TurboFireBottom)) |
| 226 | { |
| 227 | // was off |
| 228 | TurboFireTop=1; |
| 229 | TurboFireBottom=0; |
| 230 | if (swapbuttons) |
| 231 | { |
| 232 | FCEUI_DispMessage("Turbo A and Y"); |
| 233 | } |
| 234 | else |
| 235 | { |
| 236 | FCEUI_DispMessage("Turbo Y and B"); |
| 237 | } |
| 238 | } |
| 239 | else if (TurboFireTop) |
| 240 | { |
| 241 | TurboFireTop=0; |
| 242 | TurboFireBottom=1; |
| 243 | if (swapbuttons) |
| 244 | { |
| 245 | FCEUI_DispMessage("Turbo X and B"); |
| 246 | } |
| 247 | else |
| 248 | { |
| 249 | FCEUI_DispMessage("Turbo A and X"); |
| 250 | } |
| 251 | } |
| 252 | else |
| 253 | { |
| 254 | TurboFireTop=0; |
| 255 | TurboFireBottom=0; |
| 256 | FCEUI_DispMessage("Turbo Off"); |
| 257 | } |
| 258 | |
| 259 | } |
| 260 | } |
| 261 | } |
| 262 | else |
| 263 | { |
| 264 | L_count=0; |
| 265 | } |
| 266 | |
| 267 | //unsigned long padTmp=0; |
| 268 | // shift the bits in |
| 269 | // up |
| 270 | //padTmp=(pad & GP2X_UP) ; // 1 is 2^0, |
| 271 | JS |= ((pad & GP2X_UP) << (4-0)); // 0x10 is 2^4 |
| 272 | |
| 273 | //padTmp=(pad & GP2X_DOWN); // 0x10 is 2^4, |
| 274 | JS |= ((pad & GP2X_DOWN) << (5-4)); // 0x20 is 2^5 |
| 275 | |
| 276 | //padTmp=(pad & GP2X_LEFT); // 0x4 is 2^2, |
| 277 | JS |= ((pad & GP2X_LEFT) << (6-2)); // 0x40 is 2^6 |
| 278 | |
| 279 | //padTmp=(pad & GP2X_RIGHT); // 0x40 is 2^6, |
| 280 | JS |= ((pad & GP2X_RIGHT) << (7-6)); // 0x80 is 2^7 |
| 281 | |
| 282 | |
| 283 | #define A_down (pad & GP2X_A) |
| 284 | #define B_down (pad & GP2X_B) |
| 285 | #define X_down (pad & GP2X_X) |
| 286 | #define Y_down (pad & GP2X_Y) |
| 287 | |
| 288 | // should be 2 cycles held, 1 cycle release |
| 289 | turbo_toggle_A=(turbo_toggle_A+1) % 3; |
| 290 | turbo_toggle_B=(turbo_toggle_B+1) % 3; |
| 291 | |
| 292 | // 0 is none // 1 is Y & B turbo // 2 is X & A turbo |
| 293 | // B or X are both considered A |
| 294 | //padTmp=B_down >> 13; // 2^13, |
| 295 | |
| 296 | if (!(TurboFireTop && (!turbo_toggle_A))) |
| 297 | { |
| 298 | JS |= ((B_down >> 13) << 0); // 0x1 is 2^0 |
| 299 | } |
| 300 | // A or Y are both considered B |
| 301 | //padTmp=A_down >> 12; // 2^13, |
| 302 | if (!(TurboFireBottom && (!turbo_toggle_B))) |
| 303 | { |
| 304 | JS |= ((A_down >> 12) << 1); // 0x2 is 2^1 |
| 305 | } |
| 306 | |
| 307 | if (swapbuttons) |
| 308 | { |
| 309 | //padTmp=X_down >> 14; // 2^13, |
| 310 | if (!(TurboFireBottom && (!turbo_toggle_A))) |
| 311 | { |
| 312 | // JS |= ((X_down >> 14) << 0); // 0x1 is 2^0 |
| 313 | JS |= ((Y_down >> 15) << 0); // 0x1 is 2^0 |
| 314 | } |
| 315 | |
| 316 | //padTmp=Y_down >> 15; // 2^13, |
| 317 | if (!(TurboFireTop && (!turbo_toggle_B))) |
| 318 | { |
| 319 | JS |= ((X_down >> 14) << 1); // 0x2 is 2^1 |
| 320 | } |
| 321 | } |
| 322 | else |
| 323 | { |
| 324 | //padTmp=X_down >> 14; // 2^13, |
| 325 | if (!(TurboFireBottom && (!turbo_toggle_A))) |
| 326 | { |
| 327 | JS |= ((X_down >> 14) << 0); // 0x1 is 2^0 |
| 328 | } |
| 329 | |
| 330 | //padTmp=Y_down >> 15; // 2^13, |
| 331 | if (!(TurboFireTop && (!turbo_toggle_B))) |
| 332 | { |
| 333 | JS |= ((Y_down >> 15) << 1); // 0x2 is 2^1 |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | // select |
| 338 | //padTmp=(pad & GP2X_SELECT) >> 9; // 0x40 is 2^9, |
| 339 | JS |= (((pad & GP2X_SELECT) >> 9) << 2); // 0x4 is 2^2 |
| 340 | |
| 341 | // start |
| 342 | //padTmp=(pad & GP2X_START) >> 8; // 2^8, |
| 343 | JS |= (((pad & GP2X_START) >> 8) << 3); // 0x8 is 2^3 |
| 344 | |
| 345 | JSreturn = JS; |
| 346 | lastpad=pad; |
| 347 | |
| 348 | //JSreturn=(JS&0xFF000000)|(JS&0xFF)|((JS&0xFF0000)>>8)|((JS&0xFF00)<<8); |
| 349 | |
| 350 | |
| 351 | // JSreturn=(JSreturn&0xFF000000)|(JSreturn&0xFF)|((JSreturn&0xFF0000)>>8)|((JSreturn&0xFF00)<<8); |
| 352 | // TODO: make these bindable, use new interface |
| 353 | if(gametype==GIT_FDS) |
| 354 | { |
| 355 | NoWaiting&=~1; |
| 356 | if ((pad & GP2X_PUSH) && (!(pad & GP2X_SELECT)) && (!(pad & GP2X_L)) && (!(pad & GP2X_R)) && (!(lastpad2 & GP2X_PUSH))) |
| 357 | { |
| 358 | DriverInterface(DES_FDSSELECT,0); |
| 359 | } |
| 360 | else if ((pad & GP2X_L) && (!(pad & GP2X_SELECT)) && (!(pad & GP2X_PUSH)) && (!(pad & GP2X_R))&& (!(lastpad2 & GP2X_L))) |
| 361 | { |
| 362 | DriverInterface(DES_FDSINSERT,0); |
| 363 | } |
| 364 | else if ((pad & GP2X_R) && (!(pad & GP2X_SELECT)) && (!(pad & GP2X_L)) && (!(pad & GP2X_PUSH)) && (!(lastpad2 & GP2X_R))) |
| 365 | { |
| 366 | DriverInterface(DES_FDSEJECT,0); |
| 367 | } |
| 368 | } |
| 369 | return; |
| 370 | |
| 371 | no_pad: |
| 372 | JSreturn=0; |
| 373 | lastpad=pad; |
| 374 | } |
| 375 | |
| 376 | |
| 377 | static void InitOtherInput(void) |
| 378 | { |
| 379 | |
| 380 | void *InputDPtr; |
| 381 | |
| 382 | int t; |
| 383 | int x; |
| 384 | int attrib; |
| 385 | |
| 386 | for(t=0,x=0;x<2;x++) |
| 387 | { |
| 388 | attrib=0; |
| 389 | InputDPtr=0; |
| 390 | switch(InputType[x]) |
| 391 | { |
| 392 | //case SI_POWERPAD:InputDPtr=&powerpadbuf[x];break; |
| 393 | case SI_GAMEPAD:InputDPtr=((uint8 *)&JSreturn)+(x<<1);break; |
| 394 | case SI_ARKANOID:InputDPtr=MouseData;t|=1;break; |
| 395 | case SI_ZAPPER:InputDPtr=MouseData; |
| 396 | t|=1; |
| 397 | attrib=1; |
| 398 | break; |
| 399 | } |
| 400 | FCEUI_SetInput(x,InputType[x],InputDPtr,attrib); |
| 401 | } |
| 402 | |
| 403 | attrib=0; |
| 404 | InputDPtr=0; |
| 405 | switch(InputTypeFC) |
| 406 | { |
| 407 | case SIFC_SHADOW:InputDPtr=MouseData;t|=1;attrib=1;break; |
| 408 | case SIFC_ARKANOID:InputDPtr=MouseData;t|=1;break; |
| 409 | case SIFC_FKB:InputDPtr=fkbkeys;break; |
| 410 | } |
| 411 | |
| 412 | FCEUI_SetInputFC(InputTypeFC,InputDPtr,attrib); |
| 413 | FCEUI_DisableFourScore(eoptions&EO_NOFOURSCORE); |
| 414 | |
| 415 | if(t && !(inited&16)) |
| 416 | { |
| 417 | InitMouse(); |
| 418 | inited|=16; |
| 419 | } |
| 420 | } |