1 /* FCE Ultra - NES/Famicom Emulator
3 * Copyright notice for this file:
4 * Copyright (C) 1998 BERO
5 * Copyright (C) 2002 Ben Parnell
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.
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.
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
33 extern INPUTC *FCEU_InitZapper(int w);
34 extern INPUTC *FCEU_InitPowerpad(int w);
35 extern INPUTC *FCEU_InitArkanoid(int w);
37 extern INPUTCFC *FCEU_InitArkanoidFC(void);
38 extern INPUTCFC *FCEU_InitSpaceShadow(void);
39 extern INPUTCFC *FCEU_InitFKB(void);
40 static uint8 joy_readbit[2];
41 static uint16 joy[4]={0,0,0,0};
45 static int FSDisable=0; /* Set to 1 if NES-style four-player adapter is disabled. */
46 static int JPAttrib[2]={0,0};
47 static int JPType[2]={0,0};
48 static void *InputDataPtr[2];
50 static int JPAttribFC=0;
51 static int JPTypeFC=0;
52 static void *InputDataPtrFC;
54 void (*InputScanlineHook)(uint8 *buf, int line);
56 static INPUTC DummyJPort={0,0,0,0,0};
57 static INPUTC *JPorts[2]={&DummyJPort,&DummyJPort};
58 static INPUTCFC *FCExp=0;
60 static uint8 FP_FASTAPASS(1) ReadGPVS(int w)
68 ret = ((joy[w]>>(joy_readbit[w]))&1);
74 static uint8 FP_FASTAPASS(1) ReadGP(int w)
79 //ret = ((joy[w]>>(joy_readbit[w]))&1)|
80 //(((joy[w]>>(joy_readbit[w]+8))&1)<<1);
81 //if(joy_readbit[w]>8) ret=0;
83 ret = ((joy[w]>>(joy_readbit[w]))&1);
86 if(joy_readbit[w]>=8) ret|=1;
90 if(joy_readbit[w]==19-w) ret|=1;
100 if(JPorts[A&1]->Read)
101 ret|=JPorts[A&1]->Read(A&1);
105 ret=FCExp->Read(A&1,ret);
118 JPorts[0]->Write(V&1);
120 JPorts[1]->Write(V&1);
122 if((PSG[0x16]&1) && (!(V&1)))
124 /* This strobe code is just for convenience. If it were
125 with the code in input / *.c, it would more accurately represent
126 what's really going on. But who wants accuracy? ;)
127 Seriously, though, this shouldn't be a problem.
129 if(JPorts[0]->Strobe)
130 JPorts[0]->Strobe(0);
131 if(JPorts[1]->Strobe)
132 JPorts[1]->Strobe(1);
140 static void FP_FASTAPASS(1) StrobeGP(int w)
145 static INPUTC GPC={ReadGP,0,StrobeGP,0,0,0};
146 static INPUTC GPCVS={ReadGPVS,0,StrobeGP,0,0,0};
148 void DrawInput(uint8 *buf)
154 JPorts[x]->Draw(x,buf,JPAttrib[x]);
157 FCExp->Draw(buf,JPAttribFC);
160 void UpdateInput(void)
169 if(!x) joy[0]=*(uint16 *)InputDataPtr[0];
170 else joy[1]=*(uint16 *)InputDataPtr[1];
173 if(JPorts[x]->Update)
174 JPorts[x]->Update(x,InputDataPtr[x],JPAttrib[x]);
180 FCExp->Update(InputDataPtrFC,JPAttribFC);
182 if(FCEUGameInfo.type==GIT_VSUNI)
185 joy[0]=(joy[0]&0xC)|(joy[1]&0xF3);
186 joy[1]=(joy[1]&0xC)|(t&0xF3);
190 if(netplay) NetplayUpdate(&joy[0],&joy[1]);
192 if (current < 0) FCEUMOV_AddJoy(joy);
196 static DECLFR(VSUNIRead0)
201 ret|=(JPorts[0]->Read(0))&1;
209 static DECLFR(VSUNIRead1)
214 ret|=(JPorts[1]->Read(1))&1;
219 static void SLHLHook(uint8 *buf, int line)
224 if(JPorts[x]->SLHook)
225 JPorts[x]->SLHook(x,buf,line);
228 FCExp->SLHook(buf,line);
231 static void CheckSLHook(void)
234 if(JPorts[0]->SLHook || JPorts[1]->SLHook)
235 InputScanlineHook=SLHLHook;
238 InputScanlineHook=SLHLHook;
241 static void FASTAPASS(1) SetInputStuff(int x)
246 if(FCEUGameInfo.type==GIT_VSUNI)
251 case SI_ARKANOID:JPorts[x]=FCEU_InitArkanoid(x);break;
252 case SI_ZAPPER:JPorts[x]=FCEU_InitZapper(x);break;
253 case SI_POWERPAD:JPorts[x]=FCEU_InitPowerpad(x);break;
254 case SI_NONE:JPorts[x]=&DummyJPort;break;
260 static uint8 F4ReadBit[2];
261 static void StrobeFami4(void)
263 F4ReadBit[0]=F4ReadBit[1]=0;
266 static uint8 FP_FASTAPASS(2) ReadFami4(int w, uint8 ret)
270 ret |= ((joy[w]>>(F4ReadBit[w]+8))&1)<<1;
271 if(F4ReadBit[w]>=8) ret|=2;
277 static INPUTCFC FAMI4C={ReadFami4,0,StrobeFami4,0,0,0};
278 static void SetInputStuffFC(void)
282 case SIFC_NONE:FCExp=0;break;
283 case SIFC_ARKANOID:FCExp=FCEU_InitArkanoidFC();break;
284 case SIFC_SHADOW:FCExp=FCEU_InitSpaceShadow();break;
285 case SIFC_4PLAYER:FCExp=&FAMI4C;memset(&F4ReadBit,0,sizeof(F4ReadBit));break;
286 case SIFC_FKB:FCExp=FCEU_InitFKB();break;
291 // VS Unisystem code called after SetInputMap() hooks B4016. Need to
292 // rewrite code to make this more sane?
294 void InitializeInput(void)
296 memset(joy_readbit,0,sizeof(joy_readbit));
297 memset(joy,0,sizeof(joy));
299 if(FCEUGameInfo.type==GIT_VSUNI)
301 SetReadHandler(0x4016,0x4016,VSUNIRead0);
302 SetReadHandler(0x4017,0x4017,VSUNIRead1);
305 SetReadHandler(0x4016,0x4017,JPRead);
306 SetWriteHandler(0x4016,0x4016,B4016);
313 void FCEUI_SetInput(int port, int type, void *ptr, int attrib)
315 JPAttrib[port]=attrib;
317 InputDataPtr[port]=ptr;
321 void FCEUI_DisableFourScore(int s)
326 void FCEUI_SetInputFC(int type, void *ptr, int attrib)