| 1 | /* FCE Ultra - NES/Famicom Emulator |
| 2 | * |
| 3 | * Copyright notice for this file: |
| 4 | * Copyright (C) 1998 BERO |
| 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" |
| 38 | #include "svga.h" |
| 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 | |
| 52 | #include "vsuni.h" |
| 53 | |
| 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; |
| 81 | if (errmsg[0] != '|') |
| 82 | printf("%s\n", errmsg); |
| 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 | |
| 132 | #ifndef NETWORK |
| 133 | #define netplay 0 |
| 134 | #endif |
| 135 | |
| 136 | uint8 Exit=0; |
| 137 | |
| 138 | uint8 DIPS=0; |
| 139 | |
| 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 | |
| 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 | |
| 159 | |
| 160 | void FCEUI_SelectState(int w) |
| 161 | { |
| 162 | // if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF) |
| 163 | // CommandQueue=42+w; |
| 164 | } |
| 165 | |
| 166 | void FCEUI_SaveState(void) |
| 167 | { |
| 168 | // if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF) |
| 169 | // CommandQueue=40; |
| 170 | |
| 171 | //CheckStates(); |
| 172 | SaveState(); |
| 173 | } |
| 174 | |
| 175 | void FCEUI_LoadState(void) |
| 176 | { |
| 177 | // if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF) |
| 178 | // CommandQueue=41; |
| 179 | //CheckStates(); |
| 180 | LoadState(); |
| 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; |
| 222 | /* |
| 223 | case DES_NSFINC:NSFControl(1);break; |
| 224 | case DES_NSFDEC:NSFControl(2);break; |
| 225 | case DES_NSFRES:NSFControl(0);break; |
| 226 | */ |
| 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; |
| 232 | #if 0 |
| 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; |
| 244 | if(controlselect==1) |
| 245 | ntschue=which; |
| 246 | else ntsctint=which; |
| 247 | CalculatePalette(); |
| 248 | } |
| 249 | controllength=360; |
| 250 | } |
| 251 | } |
| 252 | break; |
| 253 | case DES_NTSCINC: |
| 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; |
| 274 | #endif |
| 275 | } |
| 276 | } |
| 277 | |
| 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 | } |
| 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 |
| 313 | { |
| 314 | /* Save snapshot before overlay stuff is written. */ |
| 315 | if(dosnapsave) |
| 316 | { |
| 317 | ReallySnap(); |
| 318 | dosnapsave=0; |
| 319 | } |
| 320 | if(FCEUGameInfo.type==GIT_VSUNI) |
| 321 | FCEU_VSUniDraw(XBuf); |
| 322 | |
| 323 | //FCEU_DrawSaveStates(XBuf); |
| 324 | //FCEU_DrawMovies(XBuf); |
| 325 | //FCEU_DrawNTSCControlBars(XBuf); |
| 326 | //FCEU_DrawRecordingStatus(XBuf); |
| 327 | |
| 328 | //if(controllength) {controllength--;DrawBars();} |
| 329 | } |
| 330 | DrawMessage(); |
| 331 | #ifdef FPS |
| 332 | { |
| 333 | extern uint64 frcount; |
| 334 | frcount++; |
| 335 | } |
| 336 | #endif |
| 337 | DrawInput(XBuf+8); |
| 338 | } |
| 339 | |
| 340 | #if 0 |
| 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 | } |
| 367 | #endif |
| 368 | |