c62d2810 |
1 | /* FCE Ultra - NES/Famicom Emulator |
2 | * |
3 | * Copyright notice for this file: |
5a2aa426 |
4 | * Copyright (C) 1998 BERO |
c62d2810 |
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> |
c62d2810 |
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" |
5a2aa426 |
31 | #include "movie.h" |
c62d2810 |
32 | |
33 | extern INPUTC *FCEU_InitZapper(int w); |
34 | extern INPUTC *FCEU_InitPowerpad(int w); |
35 | extern INPUTC *FCEU_InitArkanoid(int w); |
36 | |
37 | extern INPUTCFC *FCEU_InitArkanoidFC(void); |
38 | extern INPUTCFC *FCEU_InitSpaceShadow(void); |
39 | extern INPUTCFC *FCEU_InitFKB(void); |
40 | static uint8 joy_readbit[2]; |
5a2aa426 |
41 | static uint16 joy[4]={0,0,0,0}; |
c62d2810 |
42 | |
43 | extern int coinon; |
44 | |
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]; |
49 | |
50 | static int JPAttribFC=0; |
51 | static int JPTypeFC=0; |
52 | static void *InputDataPtrFC; |
53 | |
54 | void (*InputScanlineHook)(uint8 *buf, int line); |
55 | |
56 | static INPUTC DummyJPort={0,0,0,0,0}; |
57 | static INPUTC *JPorts[2]={&DummyJPort,&DummyJPort}; |
58 | static INPUTCFC *FCExp=0; |
59 | |
60 | static uint8 FP_FASTAPASS(1) ReadGPVS(int w) |
61 | { |
62 | uint8 ret=0; |
63 | |
64 | if(joy_readbit[w]>=8) |
65 | ret=1; |
66 | else |
67 | { |
68 | ret = ((joy[w]>>(joy_readbit[w]))&1); |
69 | joy_readbit[w]++; |
70 | } |
71 | return ret; |
72 | } |
73 | |
74 | static uint8 FP_FASTAPASS(1) ReadGP(int w) |
75 | { |
76 | uint8 ret; |
5a2aa426 |
77 | //if(JoyMulti) |
c62d2810 |
78 | //{ |
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; |
82 | //} |
83 | ret = ((joy[w]>>(joy_readbit[w]))&1); |
84 | if(FSDisable) |
85 | { |
86 | if(joy_readbit[w]>=8) ret|=1; |
87 | } |
88 | else |
89 | { |
90 | if(joy_readbit[w]==19-w) ret|=1; |
91 | } |
92 | joy_readbit[w]++; |
93 | return ret; |
94 | } |
95 | |
96 | static DECLFR(JPRead) |
97 | { |
98 | uint8 ret=0; |
99 | |
100 | if(JPorts[A&1]->Read) |
101 | ret|=JPorts[A&1]->Read(A&1); |
5a2aa426 |
102 | |
c62d2810 |
103 | if(FCExp) |
104 | if(FCExp->Read) |
105 | ret=FCExp->Read(A&1,ret); |
106 | |
107 | ret|=X.DB&0xC0; |
108 | return(ret); |
109 | } |
110 | |
111 | static DECLFW(B4016) |
112 | { |
113 | if(FCExp) |
114 | if(FCExp->Write) |
115 | FCExp->Write(V&7); |
116 | |
117 | if(JPorts[0]->Write) |
118 | JPorts[0]->Write(V&1); |
119 | if(JPorts[1]->Write) |
120 | JPorts[1]->Write(V&1); |
121 | |
122 | if((PSG[0x16]&1) && (!(V&1))) |
123 | { |
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. |
128 | */ |
129 | if(JPorts[0]->Strobe) |
130 | JPorts[0]->Strobe(0); |
131 | if(JPorts[1]->Strobe) |
132 | JPorts[1]->Strobe(1); |
133 | if(FCExp) |
134 | if(FCExp->Strobe) |
135 | FCExp->Strobe(); |
136 | } |
137 | PSG[0x16]=V; |
138 | } |
139 | |
140 | static void FP_FASTAPASS(1) StrobeGP(int w) |
141 | { |
142 | joy_readbit[w]=0; |
143 | } |
144 | |
145 | static INPUTC GPC={ReadGP,0,StrobeGP,0,0,0}; |
146 | static INPUTC GPCVS={ReadGPVS,0,StrobeGP,0,0,0}; |
147 | |
148 | void DrawInput(uint8 *buf) |
149 | { |
150 | int x; |
151 | |
152 | for(x=0;x<2;x++) |
153 | if(JPorts[x]->Draw) |
154 | JPorts[x]->Draw(x,buf,JPAttrib[x]); |
155 | if(FCExp) |
156 | if(FCExp->Draw) |
157 | FCExp->Draw(buf,JPAttribFC); |
158 | } |
159 | |
160 | void UpdateInput(void) |
161 | { |
162 | int x; |
163 | |
164 | for(x=0;x<2;x++) |
165 | { |
166 | switch(JPType[x]) |
167 | { |
168 | case SI_GAMEPAD: |
169 | if(!x) joy[0]=*(uint16 *)InputDataPtr[0]; |
170 | else joy[1]=*(uint16 *)InputDataPtr[1]; |
171 | break; |
172 | default: |
173 | if(JPorts[x]->Update) |
174 | JPorts[x]->Update(x,InputDataPtr[x],JPAttrib[x]); |
175 | break; |
176 | } |
177 | } |
178 | if(FCExp) |
179 | if(FCExp->Update) |
180 | FCExp->Update(InputDataPtrFC,JPAttribFC); |
181 | |
182 | if(FCEUGameInfo.type==GIT_VSUNI) |
183 | { |
184 | uint16 t=joy[0]; |
185 | joy[0]=(joy[0]&0xC)|(joy[1]&0xF3); |
186 | joy[1]=(joy[1]&0xC)|(t&0xF3); |
187 | if(coinon) coinon--; |
188 | } |
189 | #ifdef NETWORK |
190 | if(netplay) NetplayUpdate(&joy[0],&joy[1]); |
191 | #endif |
5a2aa426 |
192 | if (current < 0) FCEUMOV_AddJoy(joy); |
c62d2810 |
193 | FlushCommandQueue(); |
194 | } |
195 | |
196 | static DECLFR(VSUNIRead0) |
197 | { |
198 | uint8 ret=0; |
199 | |
200 | if(JPorts[0]->Read) |
201 | ret|=(JPorts[0]->Read(0))&1; |
202 | |
203 | ret|=(vsdip&3)<<3; |
204 | if(coinon) |
205 | ret|=0x4; |
206 | return ret; |
207 | } |
208 | |
209 | static DECLFR(VSUNIRead1) |
210 | { |
211 | uint8 ret=0; |
212 | |
213 | if(JPorts[1]->Read) |
214 | ret|=(JPorts[1]->Read(1))&1; |
215 | ret|=vsdip&0xFC; |
216 | return ret; |
217 | } |
218 | |
219 | static void SLHLHook(uint8 *buf, int line) |
220 | { |
221 | int x; |
222 | |
223 | for(x=0;x<2;x++) |
224 | if(JPorts[x]->SLHook) |
225 | JPorts[x]->SLHook(x,buf,line); |
5a2aa426 |
226 | if(FCExp) |
c62d2810 |
227 | if(FCExp->SLHook) |
228 | FCExp->SLHook(buf,line); |
229 | } |
230 | |
231 | static void CheckSLHook(void) |
232 | { |
233 | InputScanlineHook=0; |
234 | if(JPorts[0]->SLHook || JPorts[1]->SLHook) |
235 | InputScanlineHook=SLHLHook; |
236 | if(FCExp) |
237 | if(FCExp->SLHook) |
238 | InputScanlineHook=SLHLHook; |
239 | } |
240 | |
241 | static void FASTAPASS(1) SetInputStuff(int x) |
242 | { |
243 | switch(JPType[x]) |
244 | { |
245 | case SI_GAMEPAD: |
246 | if(FCEUGameInfo.type==GIT_VSUNI) |
247 | JPorts[x]=&GPCVS; |
248 | else |
249 | JPorts[x]=&GPC; |
250 | break; |
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; |
255 | } |
256 | |
257 | CheckSLHook(); |
258 | } |
259 | |
260 | static uint8 F4ReadBit[2]; |
261 | static void StrobeFami4(void) |
262 | { |
263 | F4ReadBit[0]=F4ReadBit[1]=0; |
264 | } |
265 | |
266 | static uint8 FP_FASTAPASS(2) ReadFami4(int w, uint8 ret) |
267 | { |
268 | ret&=1; |
269 | |
270 | ret |= ((joy[w]>>(F4ReadBit[w]+8))&1)<<1; |
271 | if(F4ReadBit[w]>=8) ret|=2; |
272 | else F4ReadBit[w]++; |
273 | |
274 | return(ret); |
275 | } |
276 | |
277 | static INPUTCFC FAMI4C={ReadFami4,0,StrobeFami4,0,0,0}; |
278 | static void SetInputStuffFC(void) |
279 | { |
280 | switch(JPTypeFC) |
281 | { |
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; |
287 | } |
288 | CheckSLHook(); |
289 | } |
290 | |
291 | // VS Unisystem code called after SetInputMap() hooks B4016. Need to |
292 | // rewrite code to make this more sane? |
293 | |
294 | void InitializeInput(void) |
5a2aa426 |
295 | { |
c62d2810 |
296 | memset(joy_readbit,0,sizeof(joy_readbit)); |
297 | memset(joy,0,sizeof(joy)); |
298 | |
299 | if(FCEUGameInfo.type==GIT_VSUNI) |
300 | { |
301 | SetReadHandler(0x4016,0x4016,VSUNIRead0); |
302 | SetReadHandler(0x4017,0x4017,VSUNIRead1); |
303 | } |
304 | else |
305 | SetReadHandler(0x4016,0x4017,JPRead); |
306 | SetWriteHandler(0x4016,0x4016,B4016); |
307 | |
308 | SetInputStuff(0); |
309 | SetInputStuff(1); |
310 | SetInputStuffFC(); |
311 | } |
312 | |
313 | void FCEUI_SetInput(int port, int type, void *ptr, int attrib) |
314 | { |
315 | JPAttrib[port]=attrib; |
316 | JPType[port]=type; |
317 | InputDataPtr[port]=ptr; |
318 | SetInputStuff(port); |
319 | } |
320 | |
321 | void FCEUI_DisableFourScore(int s) |
322 | { |
323 | FSDisable=s; |
324 | } |
325 | |
326 | void FCEUI_SetInputFC(int type, void *ptr, int attrib) |
327 | { |
328 | JPAttribFC=attrib; |
329 | JPTypeFC=type; |
330 | InputDataPtrFC=ptr; |
331 | SetInputStuffFC(); |
332 | } |