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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 | */ |
21 | |
22 | /* SVGA High Level Routines |
23 | FCE / FCE Ultra |
24 | */ |
25 | #include <stdio.h> |
26 | #include <stdlib.h> |
27 | #include <math.h> |
28 | #include <string.h> |
29 | |
30 | #include <stdarg.h> |
31 | |
32 | |
33 | #ifndef M_PI |
34 | #define M_PI 3.14159265358979323846 |
35 | #endif |
36 | |
37 | #include "types.h" |
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38 | #include "svga.h" |
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39 | #include "fce.h" |
40 | #include "general.h" |
41 | #include "video.h" |
42 | #include "sound.h" |
43 | #include "version.h" |
44 | #include "nsf.h" |
45 | #include "palette.h" |
46 | #include "fds.h" |
47 | #include "netplay.h" |
48 | #include "state.h" |
49 | #include "cart.h" |
50 | #include "input.h" |
51 | |
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52 | #include "vsuni.h" |
53 | |
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54 | FCEUS FSettings; |
55 | |
56 | static int howlong; |
57 | static char errmsg[65]; |
58 | |
59 | void FCEU_PrintError(char *format, ...) |
60 | { |
61 | char temp[2048]; |
62 | |
63 | va_list ap; |
64 | |
65 | va_start(ap,format); |
66 | vsprintf(temp,format,ap); |
67 | FCEUD_PrintError(temp); |
68 | |
69 | va_end(ap); |
70 | } |
71 | |
72 | void FCEU_DispMessage(char *format, ...) |
73 | { |
74 | va_list ap; |
75 | |
76 | va_start(ap,format); |
77 | vsprintf(errmsg,format,ap); |
78 | va_end(ap); |
79 | |
80 | howlong=180; |
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81 | if (errmsg[0] != '|') |
82 | printf("%s\n", errmsg); |
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83 | } |
84 | |
85 | void FCEUI_SetRenderedLines(int ntscf, int ntscl, int palf, int pall) |
86 | { |
87 | FSettings.UsrFirstSLine[0]=ntscf; |
88 | FSettings.UsrLastSLine[0]=ntscl; |
89 | FSettings.UsrFirstSLine[1]=palf; |
90 | FSettings.UsrLastSLine[1]=pall; |
91 | if(PAL) |
92 | { |
93 | FSettings.FirstSLine=FSettings.UsrFirstSLine[1]; |
94 | FSettings.LastSLine=FSettings.UsrLastSLine[1]; |
95 | } |
96 | else |
97 | { |
98 | FSettings.FirstSLine=FSettings.UsrFirstSLine[0]; |
99 | FSettings.LastSLine=FSettings.UsrLastSLine[0]; |
100 | } |
101 | |
102 | } |
103 | |
104 | void FCEUI_SetVidSystem(int a) |
105 | { |
106 | FSettings.PAL=a?1:0; |
107 | FCEU_ResetVidSys(); |
108 | FCEU_ResetPalette(); |
109 | } |
110 | |
111 | int FCEUI_GetCurrentVidSystem(int *slstart, int *slend) |
112 | { |
113 | if(slstart) |
114 | *slstart=FSettings.FirstSLine; |
115 | if(slend) |
116 | *slend=FSettings.LastSLine; |
117 | return(PAL); |
118 | } |
119 | |
120 | #ifdef NETWORK |
121 | void FCEUI_SetNetworkPlay(int type) |
122 | { |
123 | FSettings.NetworkPlay=type; |
124 | } |
125 | #endif |
126 | |
127 | void FCEUI_SetGameGenie(int a) |
128 | { |
129 | FSettings.GameGenie=a?1:0; |
130 | } |
131 | |
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132 | #ifndef NETWORK |
133 | #define netplay 0 |
134 | #endif |
135 | |
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136 | uint8 Exit=0; |
137 | |
138 | uint8 DIPS=0; |
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139 | |
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140 | uint8 CommandQueue=0; |
141 | |
142 | static int controlselect=0; |
143 | static int ntsccol=0; |
144 | static int ntsctint=46+10; |
145 | static int ntschue=72; |
146 | static int controllength=0; |
147 | |
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148 | |
149 | void FCEUI_SetSnapName(int a) |
150 | { |
151 | FSettings.SnapName=a; |
152 | } |
153 | |
154 | void FCEUI_SaveExtraDataUnderBase(int a) |
155 | { |
156 | FSettings.SUnderBase=a; |
157 | } |
158 | |
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159 | |
160 | void FCEUI_SelectState(int w) |
161 | { |
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162 | // if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF) |
163 | // CommandQueue=42+w; |
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164 | } |
165 | |
166 | void FCEUI_SaveState(void) |
167 | { |
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168 | // if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF) |
169 | // CommandQueue=40; |
170 | |
171 | //CheckStates(); |
172 | SaveState(); |
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173 | } |
174 | |
175 | void FCEUI_LoadState(void) |
176 | { |
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177 | // if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF) |
178 | // CommandQueue=41; |
179 | //CheckStates(); |
180 | LoadState(); |
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181 | } |
182 | |
183 | int32 FCEUI_GetDesiredFPS(void) |
184 | { |
185 | if(PAL) |
186 | return(838977920); // ~50.007 |
187 | else |
188 | return(1008307711); // ~60.1 |
189 | } |
190 | |
191 | static int dosnapsave=0; |
192 | void FCEUI_SaveSnapshot(void) |
193 | { |
194 | dosnapsave=1; |
195 | } |
196 | |
197 | /* I like the sounds of breaking necks. */ |
198 | static void ReallySnap(void) |
199 | { |
200 | int x=SaveSnapshot(); |
201 | if(!x) |
202 | FCEU_DispMessage("Error saving screen snapshot."); |
203 | else |
204 | FCEU_DispMessage("Screen snapshot %d saved.",x-1); |
205 | } |
206 | |
207 | void DriverInterface(int w, void *d) |
208 | { |
209 | switch(w) |
210 | { |
211 | case DES_NTSCCOL:ntsccol=*(int *)d;FCEU_ResetPalette();break; |
212 | case DES_RESET:if(netplay!=2) CommandQueue=30;break; |
213 | case DES_POWER:if(netplay!=2) CommandQueue=31;break; |
214 | case DES_GETNTSCTINT:*(int*)d=ntsctint;break; |
215 | case DES_GETNTSCHUE:*(int*)d=ntschue;break; |
216 | case DES_SETNTSCTINT:ntsctint=*(int*)d;if(ntsccol)FCEU_ResetPalette();break; |
217 | case DES_SETNTSCHUE:ntschue=*(int*)d;if(ntsccol)FCEU_ResetPalette();break; |
218 | |
219 | case DES_FDSINSERT:if(netplay!=2) CommandQueue=2;break; |
220 | case DES_FDSEJECT:if(netplay!=2) CommandQueue=3;break; |
221 | case DES_FDSSELECT:if(netplay!=2) CommandQueue=1;break; |
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222 | /* |
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223 | case DES_NSFINC:NSFControl(1);break; |
224 | case DES_NSFDEC:NSFControl(2);break; |
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225 | case DES_NSFRES:NSFControl(0);break; |
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226 | */ |
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227 | case DES_VSUNIDIPSET:CommandQueue=10+(int)d;break; |
228 | case DES_VSUNITOGGLEDIPVIEW:CommandQueue=10;break; |
229 | case DES_VSUNICOIN:CommandQueue=19;break; |
230 | case DES_NTSCSELHUE:if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF){controlselect=1;controllength=360;}break; |
231 | case DES_NTSCSELTINT:if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF){controlselect=2;controllength=360;}break; |
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232 | #if 0 |
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233 | case DES_NTSCDEC: |
234 | if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF) |
235 | { |
236 | char which; |
237 | if(controlselect) |
238 | { |
239 | if(controllength) |
240 | { |
241 | which=controlselect==1?ntschue:ntsctint; |
242 | which--; |
243 | if(which<0) which=0; |
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244 | if(controlselect==1) |
245 | ntschue=which; |
246 | else ntsctint=which; |
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247 | CalculatePalette(); |
248 | } |
249 | controllength=360; |
250 | } |
251 | } |
252 | break; |
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253 | case DES_NTSCINC: |
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254 | if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF) |
255 | if(controlselect) |
256 | { |
257 | if(controllength) |
258 | { |
259 | switch(controlselect) |
260 | { |
261 | case 1:ntschue++; |
262 | if(ntschue>128) ntschue=128; |
263 | CalculatePalette(); |
264 | break; |
265 | case 2:ntsctint++; |
266 | if(ntsctint>128) ntsctint=128; |
267 | CalculatePalette(); |
268 | break; |
269 | } |
270 | } |
271 | controllength=360; |
272 | } |
273 | break; |
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274 | #endif |
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275 | } |
276 | } |
277 | |
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278 | |
279 | #include "drawing.h" |
280 | #ifdef FRAMESKIP |
281 | void FCEU_PutImageDummy(void) |
282 | { |
283 | if(FCEUGameInfo.type!=GIT_NSF) |
284 | { |
285 | if(controllength) controllength--; |
286 | } |
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287 | if(howlong) howlong--; /* DrawMessage() */ |
288 | #ifdef FPS |
289 | { |
290 | extern uint64 frcount; |
291 | frcount++; |
292 | } |
293 | #endif |
294 | |
295 | } |
296 | #endif |
297 | |
298 | void FCEU_PutImage(void) |
299 | { |
300 | if(FCEUGameInfo.type==GIT_NSF) |
301 | { |
302 | DrawNSF(XBuf); |
303 | /* Save snapshot after NSF screen is drawn. Why would we want to |
304 | do it before? |
305 | */ |
306 | if(dosnapsave) |
307 | { |
308 | ReallySnap(); |
309 | dosnapsave=0; |
310 | } |
311 | } |
312 | else |
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313 | { |
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314 | /* Save snapshot before overlay stuff is written. */ |
315 | if(dosnapsave) |
316 | { |
317 | ReallySnap(); |
318 | dosnapsave=0; |
319 | } |
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320 | if(FCEUGameInfo.type==GIT_VSUNI) |
321 | FCEU_VSUniDraw(XBuf); |
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322 | |
323 | //FCEU_DrawSaveStates(XBuf); |
324 | //FCEU_DrawMovies(XBuf); |
325 | //FCEU_DrawNTSCControlBars(XBuf); |
326 | //FCEU_DrawRecordingStatus(XBuf); |
327 | |
328 | //if(controllength) {controllength--;DrawBars();} |
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329 | } |
330 | DrawMessage(); |
331 | #ifdef FPS |
332 | { |
333 | extern uint64 frcount; |
334 | frcount++; |
335 | } |
336 | #endif |
337 | DrawInput(XBuf+8); |
338 | } |
339 | |
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340 | #if 0 |
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341 | void DoCommand(uint8 c) |
342 | { |
343 | switch(c) |
344 | { |
345 | case 1:FDSControl(FDS_SELECT);break; |
346 | case 2:FDSControl(FDS_IDISK);break; |
347 | case 3:FDSControl(FDS_EJECT);break; |
348 | |
349 | case 10:DIPS^=2;break; |
350 | case 11:vsdip^=1;DIPS|=2;break; |
351 | case 12:vsdip^=2;DIPS|=2;break; |
352 | case 13:vsdip^=4;DIPS|=2;break; |
353 | case 14:vsdip^=8;DIPS|=2;break; |
354 | case 15:vsdip^=0x10;DIPS|=2;break; |
355 | case 16:vsdip^=0x20;DIPS|=2;break; |
356 | case 17:vsdip^=0x40;DIPS|=2;break; |
357 | case 18:vsdip^=0x80;DIPS|=2;break; |
358 | case 19:coinon=6;break; |
359 | case 30:ResetNES();break; |
360 | case 31:PowerNES();break; |
361 | case 40:CheckStates();StateShow=0;SaveState();break; |
362 | case 41:CheckStates();StateShow=0;LoadState();break; |
363 | case 42: case 43: case 44: case 45: case 46: case 47: case 48: case 49: |
364 | case 50: case 51:StateShow=180;CurrentState=c-42;CheckStates();break; |
365 | } |
366 | } |
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367 | #endif |
368 | |