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1 | /* FCE Ultra - NES/Famicom Emulator |
2 | * |
3 | * Copyright notice for this file: |
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4 | * Copyright (C) 1998 BERO |
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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 | */ |
5232c20c |
21 | #include <string.h> |
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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" |
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31 | #include "state.h" |
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32 | #include "movie.h" |
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33 | |
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34 | #include "dprintf.h" |
35 | |
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36 | extern INPUTC *FCEU_InitZapper(int w); |
37 | extern INPUTC *FCEU_InitPowerpad(int w); |
38 | extern INPUTC *FCEU_InitArkanoid(int w); |
39 | |
40 | extern INPUTCFC *FCEU_InitArkanoidFC(void); |
41 | extern INPUTCFC *FCEU_InitSpaceShadow(void); |
42 | extern INPUTCFC *FCEU_InitFKB(void); |
43 | static uint8 joy_readbit[2]; |
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44 | static uint8 joy[4]={0,0,0,0}; |
45 | static uint8 LastStrobe; |
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46 | |
47 | extern int coinon; |
48 | |
49 | static int FSDisable=0; /* Set to 1 if NES-style four-player adapter is disabled. */ |
50 | static int JPAttrib[2]={0,0}; |
51 | static int JPType[2]={0,0}; |
52 | static void *InputDataPtr[2]; |
53 | |
54 | static int JPAttribFC=0; |
55 | static int JPTypeFC=0; |
56 | static void *InputDataPtrFC; |
57 | |
58 | void (*InputScanlineHook)(uint8 *buf, int line); |
59 | |
60 | static INPUTC DummyJPort={0,0,0,0,0}; |
61 | static INPUTC *JPorts[2]={&DummyJPort,&DummyJPort}; |
62 | static INPUTCFC *FCExp=0; |
63 | |
64 | static uint8 FP_FASTAPASS(1) ReadGPVS(int w) |
65 | { |
66 | uint8 ret=0; |
67 | |
68 | if(joy_readbit[w]>=8) |
69 | ret=1; |
70 | else |
71 | { |
72 | ret = ((joy[w]>>(joy_readbit[w]))&1); |
73 | joy_readbit[w]++; |
74 | } |
75 | return ret; |
76 | } |
77 | |
78 | static uint8 FP_FASTAPASS(1) ReadGP(int w) |
79 | { |
80 | uint8 ret; |
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81 | //if(JoyMulti) |
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82 | //{ |
83 | //ret = ((joy[w]>>(joy_readbit[w]))&1)| |
84 | //(((joy[w]>>(joy_readbit[w]+8))&1)<<1); |
85 | //if(joy_readbit[w]>8) ret=0; |
86 | //} |
87 | ret = ((joy[w]>>(joy_readbit[w]))&1); |
88 | if(FSDisable) |
89 | { |
90 | if(joy_readbit[w]>=8) ret|=1; |
91 | } |
92 | else |
93 | { |
94 | if(joy_readbit[w]==19-w) ret|=1; |
95 | } |
96 | joy_readbit[w]++; |
97 | return ret; |
98 | } |
99 | |
100 | static DECLFR(JPRead) |
101 | { |
102 | uint8 ret=0; |
103 | |
104 | if(JPorts[A&1]->Read) |
105 | ret|=JPorts[A&1]->Read(A&1); |
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106 | |
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107 | if(FCExp) |
108 | if(FCExp->Read) |
109 | ret=FCExp->Read(A&1,ret); |
110 | |
111 | ret|=X.DB&0xC0; |
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112 | dprintf("JPRead %02x", ret); |
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113 | return(ret); |
114 | } |
115 | |
116 | static DECLFW(B4016) |
117 | { |
118 | if(FCExp) |
119 | if(FCExp->Write) |
120 | FCExp->Write(V&7); |
121 | |
122 | if(JPorts[0]->Write) |
123 | JPorts[0]->Write(V&1); |
124 | if(JPorts[1]->Write) |
125 | JPorts[1]->Write(V&1); |
126 | |
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127 | if((LastStrobe&1) && (!(V&1))) |
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128 | { |
129 | /* This strobe code is just for convenience. If it were |
130 | with the code in input / *.c, it would more accurately represent |
131 | what's really going on. But who wants accuracy? ;) |
132 | Seriously, though, this shouldn't be a problem. |
133 | */ |
134 | if(JPorts[0]->Strobe) |
135 | JPorts[0]->Strobe(0); |
136 | if(JPorts[1]->Strobe) |
137 | JPorts[1]->Strobe(1); |
138 | if(FCExp) |
139 | if(FCExp->Strobe) |
140 | FCExp->Strobe(); |
141 | } |
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142 | LastStrobe=V&1; |
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143 | } |
144 | |
145 | static void FP_FASTAPASS(1) StrobeGP(int w) |
146 | { |
147 | joy_readbit[w]=0; |
148 | } |
149 | |
150 | static INPUTC GPC={ReadGP,0,StrobeGP,0,0,0}; |
151 | static INPUTC GPCVS={ReadGPVS,0,StrobeGP,0,0,0}; |
152 | |
153 | void DrawInput(uint8 *buf) |
154 | { |
155 | int x; |
156 | |
157 | for(x=0;x<2;x++) |
158 | if(JPorts[x]->Draw) |
159 | JPorts[x]->Draw(x,buf,JPAttrib[x]); |
160 | if(FCExp) |
161 | if(FCExp->Draw) |
162 | FCExp->Draw(buf,JPAttribFC); |
163 | } |
164 | |
165 | void UpdateInput(void) |
166 | { |
167 | int x; |
168 | |
169 | for(x=0;x<2;x++) |
170 | { |
171 | switch(JPType[x]) |
172 | { |
173 | case SI_GAMEPAD: |
174 | if(!x) joy[0]=*(uint16 *)InputDataPtr[0]; |
175 | else joy[1]=*(uint16 *)InputDataPtr[1]; |
176 | break; |
177 | default: |
178 | if(JPorts[x]->Update) |
179 | JPorts[x]->Update(x,InputDataPtr[x],JPAttrib[x]); |
180 | break; |
181 | } |
182 | } |
183 | if(FCExp) |
184 | if(FCExp->Update) |
185 | FCExp->Update(InputDataPtrFC,JPAttribFC); |
186 | |
187 | if(FCEUGameInfo.type==GIT_VSUNI) |
188 | { |
189 | uint16 t=joy[0]; |
190 | joy[0]=(joy[0]&0xC)|(joy[1]&0xF3); |
191 | joy[1]=(joy[1]&0xC)|(t&0xF3); |
192 | if(coinon) coinon--; |
193 | } |
194 | #ifdef NETWORK |
195 | if(netplay) NetplayUpdate(&joy[0],&joy[1]); |
196 | #endif |
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197 | if (current < 0) FCEUMOV_AddJoy(joy); |
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198 | FlushCommandQueue(); |
199 | } |
200 | |
201 | static DECLFR(VSUNIRead0) |
202 | { |
203 | uint8 ret=0; |
204 | |
205 | if(JPorts[0]->Read) |
206 | ret|=(JPorts[0]->Read(0))&1; |
207 | |
208 | ret|=(vsdip&3)<<3; |
209 | if(coinon) |
210 | ret|=0x4; |
211 | return ret; |
212 | } |
213 | |
214 | static DECLFR(VSUNIRead1) |
215 | { |
216 | uint8 ret=0; |
217 | |
218 | if(JPorts[1]->Read) |
219 | ret|=(JPorts[1]->Read(1))&1; |
220 | ret|=vsdip&0xFC; |
221 | return ret; |
222 | } |
223 | |
224 | static void SLHLHook(uint8 *buf, int line) |
225 | { |
226 | int x; |
227 | |
228 | for(x=0;x<2;x++) |
229 | if(JPorts[x]->SLHook) |
230 | JPorts[x]->SLHook(x,buf,line); |
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231 | if(FCExp) |
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232 | if(FCExp->SLHook) |
233 | FCExp->SLHook(buf,line); |
234 | } |
235 | |
236 | static void CheckSLHook(void) |
237 | { |
238 | InputScanlineHook=0; |
239 | if(JPorts[0]->SLHook || JPorts[1]->SLHook) |
240 | InputScanlineHook=SLHLHook; |
241 | if(FCExp) |
242 | if(FCExp->SLHook) |
243 | InputScanlineHook=SLHLHook; |
244 | } |
245 | |
246 | static void FASTAPASS(1) SetInputStuff(int x) |
247 | { |
248 | switch(JPType[x]) |
249 | { |
250 | case SI_GAMEPAD: |
251 | if(FCEUGameInfo.type==GIT_VSUNI) |
252 | JPorts[x]=&GPCVS; |
253 | else |
254 | JPorts[x]=&GPC; |
255 | break; |
256 | case SI_ARKANOID:JPorts[x]=FCEU_InitArkanoid(x);break; |
257 | case SI_ZAPPER:JPorts[x]=FCEU_InitZapper(x);break; |
258 | case SI_POWERPAD:JPorts[x]=FCEU_InitPowerpad(x);break; |
259 | case SI_NONE:JPorts[x]=&DummyJPort;break; |
260 | } |
261 | |
262 | CheckSLHook(); |
263 | } |
264 | |
265 | static uint8 F4ReadBit[2]; |
266 | static void StrobeFami4(void) |
267 | { |
268 | F4ReadBit[0]=F4ReadBit[1]=0; |
269 | } |
270 | |
271 | static uint8 FP_FASTAPASS(2) ReadFami4(int w, uint8 ret) |
272 | { |
273 | ret&=1; |
274 | |
275 | ret |= ((joy[w]>>(F4ReadBit[w]+8))&1)<<1; |
276 | if(F4ReadBit[w]>=8) ret|=2; |
277 | else F4ReadBit[w]++; |
278 | |
279 | return(ret); |
280 | } |
281 | |
282 | static INPUTCFC FAMI4C={ReadFami4,0,StrobeFami4,0,0,0}; |
283 | static void SetInputStuffFC(void) |
284 | { |
285 | switch(JPTypeFC) |
286 | { |
287 | case SIFC_NONE:FCExp=0;break; |
288 | case SIFC_ARKANOID:FCExp=FCEU_InitArkanoidFC();break; |
289 | case SIFC_SHADOW:FCExp=FCEU_InitSpaceShadow();break; |
290 | case SIFC_4PLAYER:FCExp=&FAMI4C;memset(&F4ReadBit,0,sizeof(F4ReadBit));break; |
291 | case SIFC_FKB:FCExp=FCEU_InitFKB();break; |
292 | } |
293 | CheckSLHook(); |
294 | } |
295 | |
296 | // VS Unisystem code called after SetInputMap() hooks B4016. Need to |
297 | // rewrite code to make this more sane? |
298 | |
299 | void InitializeInput(void) |
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300 | { |
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301 | memset(joy_readbit,0,sizeof(joy_readbit)); |
302 | memset(joy,0,sizeof(joy)); |
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303 | LastStrobe=0; |
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304 | |
305 | if(FCEUGameInfo.type==GIT_VSUNI) |
306 | { |
307 | SetReadHandler(0x4016,0x4016,VSUNIRead0); |
308 | SetReadHandler(0x4017,0x4017,VSUNIRead1); |
309 | } |
310 | else |
311 | SetReadHandler(0x4016,0x4017,JPRead); |
312 | SetWriteHandler(0x4016,0x4016,B4016); |
313 | |
314 | SetInputStuff(0); |
315 | SetInputStuff(1); |
316 | SetInputStuffFC(); |
317 | } |
318 | |
319 | void FCEUI_SetInput(int port, int type, void *ptr, int attrib) |
320 | { |
321 | JPAttrib[port]=attrib; |
322 | JPType[port]=type; |
323 | InputDataPtr[port]=ptr; |
324 | SetInputStuff(port); |
325 | } |
326 | |
327 | void FCEUI_DisableFourScore(int s) |
328 | { |
329 | FSDisable=s; |
330 | } |
331 | |
332 | void FCEUI_SetInputFC(int type, void *ptr, int attrib) |
333 | { |
334 | JPAttribFC=attrib; |
335 | JPTypeFC=type; |
336 | InputDataPtrFC=ptr; |
337 | SetInputStuffFC(); |
338 | } |
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339 | |
340 | // quick paste |
341 | #define FCEUNPCMD_RESET 0x01 |
342 | #define FCEUNPCMD_POWER 0x02 |
343 | |
344 | #define FCEUNPCMD_VSUNICOIN 0x07 |
345 | #define FCEUNPCMD_VSUNIDIP0 0x08 |
346 | #define FCEUNPCMD_FDSINSERT 0x18 |
347 | #define FCEUNPCMD_FDSSELECT 0x1A |
348 | |
349 | |
350 | void FCEU_DoSimpleCommand(int cmd) |
351 | { |
352 | switch(cmd) |
353 | { |
354 | // case FCEUNPCMD_FDSINSERT: FCEU_FDSInsert();break; |
355 | // case FCEUNPCMD_FDSSELECT: FCEU_FDSSelect();break; |
356 | // case FCEUNPCMD_FDSEJECT: FCEU_FDSEject();break; |
357 | // case FCEUNPCMD_VSUNICOIN: FCEU_VSUniCoin(); break; |
358 | // case FCEUNPCMD_VSUNIDIP0 ... (FCEUNPCMD_VSUNIDIP0 + 7): FCEU_VSUniToggleDIP(cmd - FCEUNPCMD_VSUNIDIP0);break; |
359 | case FCEUNPCMD_POWER: PowerNES();break; |
360 | case FCEUNPCMD_RESET: ResetNES();break; |
361 | default: printf("FCEU_DoSimpleCommand: can't handle cmd %i\n", cmd); break; |
362 | } |
363 | } |
364 | |
365 | |
366 | SFORMAT FCEUCTRL_STATEINFO[]={ |
367 | { joy_readbit, 2, "JYRB"}, |
368 | { joy, 4, "JOYS"}, |
369 | { &LastStrobe, 1, "LSTS"}, |
370 | { 0 } |
371 | }; |
372 | |
373 | |