| 1 | /* FCE Ultra - NES/Famicom Emulator |
| 2 | * |
| 3 | * Copyright notice for this file: |
| 4 | * Copyright (C) 1998 BERO |
| 5 | * Copyright (C) 2002 Ben Parnell |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | #include <string.h> |
| 22 | #include "types.h" |
| 23 | #include "x6502.h" |
| 24 | |
| 25 | #include "fce.h" |
| 26 | #include "sound.h" |
| 27 | #include "netplay.h" |
| 28 | #include "svga.h" |
| 29 | |
| 30 | #include "input.h" |
| 31 | #include "state.h" |
| 32 | #include "movie.h" |
| 33 | |
| 34 | #include "fds.h" |
| 35 | #include "vsuni.h" |
| 36 | #include "dprintf.h" |
| 37 | |
| 38 | extern INPUTC *FCEU_InitZapper(int w); |
| 39 | extern INPUTC *FCEU_InitPowerpad(int w); |
| 40 | extern INPUTC *FCEU_InitArkanoid(int w); |
| 41 | |
| 42 | extern INPUTCFC *FCEU_InitArkanoidFC(void); |
| 43 | extern INPUTCFC *FCEU_InitSpaceShadow(void); |
| 44 | extern INPUTCFC *FCEU_InitFKB(void); |
| 45 | static uint8 joy_readbit[2]; |
| 46 | static uint8 joy[4]={0,0,0,0}; |
| 47 | static uint8 LastStrobe; |
| 48 | |
| 49 | extern int coinon; |
| 50 | |
| 51 | static int FSDisable=0; /* Set to 1 if NES-style four-player adapter is disabled. */ |
| 52 | static int JPAttrib[2]={0,0}; |
| 53 | static int JPType[2]={0,0}; |
| 54 | static void *InputDataPtr[2]; |
| 55 | |
| 56 | static int JPAttribFC=0; |
| 57 | static int JPTypeFC=0; |
| 58 | static void *InputDataPtrFC; |
| 59 | |
| 60 | void (*InputScanlineHook)(uint8 *buf, int line); |
| 61 | |
| 62 | static INPUTC DummyJPort={0,0,0,0,0}; |
| 63 | static INPUTC *JPorts[2]={&DummyJPort,&DummyJPort}; |
| 64 | static INPUTCFC *FCExp=0; |
| 65 | |
| 66 | /* This function is a quick hack to get the NSF player to use emulated gamepad |
| 67 | input. |
| 68 | */ |
| 69 | uint8 FCEU_GetJoyJoy(void) |
| 70 | { |
| 71 | return(joy[0]|joy[1]|joy[2]|joy[3]); |
| 72 | } |
| 73 | |
| 74 | static uint8 FP_FASTAPASS(1) ReadGPVS(int w) |
| 75 | { |
| 76 | uint8 ret=0; |
| 77 | |
| 78 | if(joy_readbit[w]>=8) |
| 79 | ret=1; |
| 80 | else |
| 81 | { |
| 82 | ret = ((joy[w]>>(joy_readbit[w]))&1); |
| 83 | joy_readbit[w]++; |
| 84 | } |
| 85 | return ret; |
| 86 | } |
| 87 | |
| 88 | static uint8 FP_FASTAPASS(1) ReadGP(int w) |
| 89 | { |
| 90 | uint8 ret; |
| 91 | //if(JoyMulti) |
| 92 | //{ |
| 93 | //ret = ((joy[w]>>(joy_readbit[w]))&1)| |
| 94 | //(((joy[w]>>(joy_readbit[w]+8))&1)<<1); |
| 95 | //if(joy_readbit[w]>8) ret=0; |
| 96 | //} |
| 97 | ret = ((joy[w]>>(joy_readbit[w]))&1); |
| 98 | if(FSDisable) |
| 99 | { |
| 100 | if(joy_readbit[w]>=8) ret|=1; |
| 101 | } |
| 102 | else |
| 103 | { |
| 104 | if(joy_readbit[w]==19-w) ret|=1; |
| 105 | } |
| 106 | joy_readbit[w]++; |
| 107 | return ret; |
| 108 | } |
| 109 | |
| 110 | static DECLFR(JPRead) |
| 111 | { |
| 112 | uint8 ret=0; |
| 113 | |
| 114 | if(JPorts[A&1]->Read) |
| 115 | ret|=JPorts[A&1]->Read(A&1); |
| 116 | |
| 117 | if(FCExp) |
| 118 | if(FCExp->Read) |
| 119 | ret=FCExp->Read(A&1,ret); |
| 120 | |
| 121 | ret|=X.DB&0xC0; |
| 122 | dprintf("JPRead %02x", ret); |
| 123 | return(ret); |
| 124 | } |
| 125 | |
| 126 | static DECLFW(B4016) |
| 127 | { |
| 128 | if(FCExp) |
| 129 | if(FCExp->Write) |
| 130 | FCExp->Write(V&7); |
| 131 | |
| 132 | if(JPorts[0]->Write) |
| 133 | JPorts[0]->Write(V&1); |
| 134 | if(JPorts[1]->Write) |
| 135 | JPorts[1]->Write(V&1); |
| 136 | |
| 137 | if((LastStrobe&1) && (!(V&1))) |
| 138 | { |
| 139 | /* This strobe code is just for convenience. If it were |
| 140 | with the code in input / *.c, it would more accurately represent |
| 141 | what's really going on. But who wants accuracy? ;) |
| 142 | Seriously, though, this shouldn't be a problem. |
| 143 | */ |
| 144 | if(JPorts[0]->Strobe) |
| 145 | JPorts[0]->Strobe(0); |
| 146 | if(JPorts[1]->Strobe) |
| 147 | JPorts[1]->Strobe(1); |
| 148 | if(FCExp) |
| 149 | if(FCExp->Strobe) |
| 150 | FCExp->Strobe(); |
| 151 | } |
| 152 | LastStrobe=V&1; |
| 153 | } |
| 154 | |
| 155 | static void FP_FASTAPASS(1) StrobeGP(int w) |
| 156 | { |
| 157 | joy_readbit[w]=0; |
| 158 | } |
| 159 | |
| 160 | static INPUTC GPC={ReadGP,0,StrobeGP,0,0,0}; |
| 161 | static INPUTC GPCVS={ReadGPVS,0,StrobeGP,0,0,0}; |
| 162 | |
| 163 | void DrawInput(uint8 *buf) |
| 164 | { |
| 165 | int x; |
| 166 | |
| 167 | for(x=0;x<2;x++) |
| 168 | if(JPorts[x]->Draw) |
| 169 | JPorts[x]->Draw(x,buf,JPAttrib[x]); |
| 170 | if(FCExp) |
| 171 | if(FCExp->Draw) |
| 172 | FCExp->Draw(buf,JPAttribFC); |
| 173 | } |
| 174 | |
| 175 | void UpdateInput(void) |
| 176 | { |
| 177 | int x; |
| 178 | |
| 179 | for(x=0;x<2;x++) |
| 180 | { |
| 181 | switch(JPType[x]) |
| 182 | { |
| 183 | case SI_GAMEPAD: |
| 184 | if(!x) joy[0]=*(uint16 *)InputDataPtr[0]; |
| 185 | else joy[1]=*(uint16 *)InputDataPtr[1]; |
| 186 | break; |
| 187 | default: |
| 188 | if(JPorts[x]->Update) |
| 189 | JPorts[x]->Update(x,InputDataPtr[x],JPAttrib[x]); |
| 190 | break; |
| 191 | } |
| 192 | } |
| 193 | if(FCExp) |
| 194 | if(FCExp->Update) |
| 195 | FCExp->Update(InputDataPtrFC,JPAttribFC); |
| 196 | |
| 197 | if(FCEUGameInfo.type==GIT_VSUNI) |
| 198 | { |
| 199 | uint16 t=joy[0]; |
| 200 | joy[0]=(joy[0]&0xC)|(joy[1]&0xF3); |
| 201 | joy[1]=(joy[1]&0xC)|(t&0xF3); |
| 202 | if(coinon) coinon--; |
| 203 | } |
| 204 | #ifdef NETWORK |
| 205 | if(netplay) NetplayUpdate(&joy[0],&joy[1]); |
| 206 | #endif |
| 207 | if (current < 0) FCEUMOV_AddJoy(joy); |
| 208 | else framecount++; // for debug |
| 209 | //FlushCommandQueue(); |
| 210 | } |
| 211 | |
| 212 | static DECLFR(VSUNIRead0) |
| 213 | { |
| 214 | uint8 ret=0; |
| 215 | |
| 216 | if(JPorts[0]->Read) |
| 217 | ret|=(JPorts[0]->Read(0))&1; |
| 218 | |
| 219 | ret|=(vsdip&3)<<3; |
| 220 | if(coinon) |
| 221 | ret|=0x4; |
| 222 | return ret; |
| 223 | } |
| 224 | |
| 225 | static DECLFR(VSUNIRead1) |
| 226 | { |
| 227 | uint8 ret=0; |
| 228 | |
| 229 | if(JPorts[1]->Read) |
| 230 | ret|=(JPorts[1]->Read(1))&1; |
| 231 | ret|=vsdip&0xFC; |
| 232 | return ret; |
| 233 | } |
| 234 | |
| 235 | static void SLHLHook(uint8 *buf, int line) |
| 236 | { |
| 237 | int x; |
| 238 | |
| 239 | for(x=0;x<2;x++) |
| 240 | if(JPorts[x]->SLHook) |
| 241 | JPorts[x]->SLHook(x,buf,line); |
| 242 | if(FCExp) |
| 243 | if(FCExp->SLHook) |
| 244 | FCExp->SLHook(buf,line); |
| 245 | } |
| 246 | |
| 247 | static void CheckSLHook(void) |
| 248 | { |
| 249 | InputScanlineHook=0; |
| 250 | if(JPorts[0]->SLHook || JPorts[1]->SLHook) |
| 251 | InputScanlineHook=SLHLHook; |
| 252 | if(FCExp) |
| 253 | if(FCExp->SLHook) |
| 254 | InputScanlineHook=SLHLHook; |
| 255 | } |
| 256 | |
| 257 | static void FASTAPASS(1) SetInputStuff(int x) |
| 258 | { |
| 259 | switch(JPType[x]) |
| 260 | { |
| 261 | case SI_GAMEPAD: |
| 262 | if(FCEUGameInfo.type==GIT_VSUNI) |
| 263 | JPorts[x]=&GPCVS; |
| 264 | else |
| 265 | JPorts[x]=&GPC; |
| 266 | break; |
| 267 | case SI_ARKANOID:JPorts[x]=FCEU_InitArkanoid(x);break; |
| 268 | case SI_ZAPPER:JPorts[x]=FCEU_InitZapper(x);break; |
| 269 | case SI_POWERPADA:JPorts[x]=FCEU_InitPowerpad(x);break; |
| 270 | case SI_NONE:JPorts[x]=&DummyJPort;break; |
| 271 | } |
| 272 | |
| 273 | CheckSLHook(); |
| 274 | } |
| 275 | |
| 276 | static uint8 F4ReadBit[2]; |
| 277 | static void StrobeFami4(void) |
| 278 | { |
| 279 | F4ReadBit[0]=F4ReadBit[1]=0; |
| 280 | } |
| 281 | |
| 282 | static uint8 FP_FASTAPASS(2) ReadFami4(int w, uint8 ret) |
| 283 | { |
| 284 | ret&=1; |
| 285 | |
| 286 | ret |= ((joy[w]>>(F4ReadBit[w]+8))&1)<<1; |
| 287 | if(F4ReadBit[w]>=8) ret|=2; |
| 288 | else F4ReadBit[w]++; |
| 289 | |
| 290 | return(ret); |
| 291 | } |
| 292 | |
| 293 | static INPUTCFC FAMI4C={ReadFami4,0,StrobeFami4,0,0,0}; |
| 294 | static void SetInputStuffFC(void) |
| 295 | { |
| 296 | switch(JPTypeFC) |
| 297 | { |
| 298 | case SIFC_NONE:FCExp=0;break; |
| 299 | case SIFC_ARKANOID:FCExp=FCEU_InitArkanoidFC();break; |
| 300 | case SIFC_SHADOW:FCExp=FCEU_InitSpaceShadow();break; |
| 301 | case SIFC_4PLAYER:FCExp=&FAMI4C;memset(&F4ReadBit,0,sizeof(F4ReadBit));break; |
| 302 | case SIFC_FKB:FCExp=FCEU_InitFKB();break; |
| 303 | } |
| 304 | CheckSLHook(); |
| 305 | } |
| 306 | |
| 307 | // VS Unisystem code called after SetInputMap() hooks B4016. Need to |
| 308 | // rewrite code to make this more sane? |
| 309 | |
| 310 | void InitializeInput(void) |
| 311 | { |
| 312 | memset(joy_readbit,0,sizeof(joy_readbit)); |
| 313 | memset(joy,0,sizeof(joy)); |
| 314 | LastStrobe=0; |
| 315 | |
| 316 | if(FCEUGameInfo.type==GIT_VSUNI) |
| 317 | { |
| 318 | SetReadHandler(0x4016,0x4016,VSUNIRead0); |
| 319 | SetReadHandler(0x4017,0x4017,VSUNIRead1); |
| 320 | } |
| 321 | else |
| 322 | SetReadHandler(0x4016,0x4017,JPRead); |
| 323 | SetWriteHandler(0x4016,0x4016,B4016); |
| 324 | |
| 325 | SetInputStuff(0); |
| 326 | SetInputStuff(1); |
| 327 | SetInputStuffFC(); |
| 328 | } |
| 329 | |
| 330 | void FCEUI_SetInput(int port, int type, void *ptr, int attrib) |
| 331 | { |
| 332 | JPAttrib[port]=attrib; |
| 333 | JPType[port]=type; |
| 334 | InputDataPtr[port]=ptr; |
| 335 | SetInputStuff(port); |
| 336 | } |
| 337 | |
| 338 | void FCEUI_DisableFourScore(int s) |
| 339 | { |
| 340 | FSDisable=s; |
| 341 | } |
| 342 | |
| 343 | void FCEUI_SetInputFC(int type, void *ptr, int attrib) |
| 344 | { |
| 345 | JPAttribFC=attrib; |
| 346 | JPTypeFC=type; |
| 347 | InputDataPtrFC=ptr; |
| 348 | SetInputStuffFC(); |
| 349 | } |
| 350 | |
| 351 | // quick paste |
| 352 | #define FCEUNPCMD_RESET 0x01 |
| 353 | #define FCEUNPCMD_POWER 0x02 |
| 354 | |
| 355 | #define FCEUNPCMD_VSUNICOIN 0x07 |
| 356 | #define FCEUNPCMD_VSUNIDIP0 0x08 |
| 357 | #define FCEUNPCMD_FDSINSERT 0x18 |
| 358 | #define FCEUNPCMD_FDSSELECT 0x1A |
| 359 | |
| 360 | |
| 361 | void FCEU_DoSimpleCommand(int cmd) |
| 362 | { |
| 363 | switch(cmd) |
| 364 | { |
| 365 | case FCEUNPCMD_FDSINSERT: FCEU_FDSInsert();break; |
| 366 | case FCEUNPCMD_FDSSELECT: FCEU_FDSSelect();break; |
| 367 | // case FCEUNPCMD_FDSEJECT: FCEU_FDSEject();break; |
| 368 | case FCEUNPCMD_VSUNICOIN: FCEU_VSUniCoin(); break; |
| 369 | case FCEUNPCMD_VSUNIDIP0 ... (FCEUNPCMD_VSUNIDIP0 + 7): FCEU_VSUniToggleDIP(cmd - FCEUNPCMD_VSUNIDIP0);break; |
| 370 | case FCEUNPCMD_POWER: PowerNES();break; |
| 371 | case FCEUNPCMD_RESET: ResetNES();break; |
| 372 | default: printf("FCEU_DoSimpleCommand: can't handle cmd %i\n", cmd); break; |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | void FCEU_QSimpleCommand(int cmd) |
| 377 | { |
| 378 | // if(FCEUnetplay) |
| 379 | // FCEUNET_SendCommand(cmd, 0); |
| 380 | // else |
| 381 | { |
| 382 | // totally wrong: |
| 383 | // if(!FCEUMOV_IsPlaying()) |
| 384 | // FCEU_DoSimpleCommand(cmd); |
| 385 | // else |
| 386 | // FCEUMOV_AddCommand(cmd); |
| 387 | |
| 388 | FCEU_DoSimpleCommand(cmd); |
| 389 | // if(FCEUMOV_IsRecording()) |
| 390 | // FCEUMOV_AddCommand(cmd); |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | void FCEUI_FDSSelect(void) |
| 395 | { |
| 396 | FCEU_QSimpleCommand(FCEUNPCMD_FDSSELECT); |
| 397 | } |
| 398 | |
| 399 | int FCEUI_FDSInsert(void) |
| 400 | { |
| 401 | FCEU_QSimpleCommand(FCEUNPCMD_FDSINSERT); |
| 402 | return(1); |
| 403 | } |
| 404 | |
| 405 | /* |
| 406 | int FCEUI_FDSEject(void) |
| 407 | { |
| 408 | FCEU_QSimpleCommand(FCEUNPCMD_FDSEJECT); |
| 409 | return(1); |
| 410 | } |
| 411 | */ |
| 412 | void FCEUI_VSUniToggleDIP(int w) |
| 413 | { |
| 414 | FCEU_QSimpleCommand(FCEUNPCMD_VSUNIDIP0 + w); |
| 415 | } |
| 416 | |
| 417 | void FCEUI_VSUniCoin(void) |
| 418 | { |
| 419 | FCEU_QSimpleCommand(FCEUNPCMD_VSUNICOIN); |
| 420 | } |
| 421 | |
| 422 | void FCEUI_ResetNES(void) |
| 423 | { |
| 424 | FCEU_QSimpleCommand(FCEUNPCMD_RESET); |
| 425 | } |
| 426 | |
| 427 | void FCEUI_PowerNES(void) |
| 428 | { |
| 429 | FCEU_QSimpleCommand(FCEUNPCMD_POWER); |
| 430 | } |
| 431 | |
| 432 | |
| 433 | |
| 434 | SFORMAT FCEUCTRL_STATEINFO[]={ |
| 435 | { joy_readbit, 2, "JYRB"}, |
| 436 | { joy, 4, "JOYS"}, |
| 437 | { &LastStrobe, 1, "LSTS"}, |
| 438 | { 0 } |
| 439 | }; |
| 440 | |
| 441 | |