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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 "fds.h" |
35 | #include "vsuni.h" |
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36 | #include "dprintf.h" |
37 | |
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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]; |
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46 | static uint8 joy[4]={0,0,0,0}; |
47 | static uint8 LastStrobe; |
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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 | |
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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 | |
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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; |
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91 | //if(JoyMulti) |
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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); |
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116 | |
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117 | if(FCExp) |
118 | if(FCExp->Read) |
119 | ret=FCExp->Read(A&1,ret); |
120 | |
121 | ret|=X.DB&0xC0; |
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122 | dprintf("JPRead %02x", ret); |
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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 | |
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137 | if((LastStrobe&1) && (!(V&1))) |
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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 | } |
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152 | LastStrobe=V&1; |
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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 |
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207 | if (current < 0) FCEUMOV_AddJoy(joy); |
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208 | else framecount++; // for debug |
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209 | //FlushCommandQueue(); |
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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); |
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242 | if(FCExp) |
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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; |
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269 | case SI_POWERPADA:JPorts[x]=FCEU_InitPowerpad(x);break; |
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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) |
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311 | { |
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312 | memset(joy_readbit,0,sizeof(joy_readbit)); |
313 | memset(joy,0,sizeof(joy)); |
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314 | LastStrobe=0; |
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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 | } |
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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 | { |
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365 | case FCEUNPCMD_FDSINSERT: FCEU_FDSInsert();break; |
366 | case FCEUNPCMD_FDSSELECT: FCEU_FDSSelect();break; |
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367 | // case FCEUNPCMD_FDSEJECT: FCEU_FDSEject();break; |
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368 | case FCEUNPCMD_VSUNICOIN: FCEU_VSUniCoin(); break; |
369 | case FCEUNPCMD_VSUNIDIP0 ... (FCEUNPCMD_VSUNIDIP0 + 7): FCEU_VSUniToggleDIP(cmd - FCEUNPCMD_VSUNIDIP0);break; |
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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 | |
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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 | |
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433 | |
434 | SFORMAT FCEUCTRL_STATEINFO[]={ |
435 | { joy_readbit, 2, "JYRB"}, |
436 | { joy, 4, "JOYS"}, |
437 | { &LastStrobe, 1, "LSTS"}, |
438 | { 0 } |
439 | }; |
440 | |
441 | |