cli added for debug
[fceu.git] / svga.c
CommitLineData
c62d2810 1/* FCE Ultra - NES/Famicom Emulator
2 *
3 * Copyright notice for this file:
22f08d95 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 */
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"
22f08d95 38#include "svga.h"
c62d2810 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
92764e62 52#include "vsuni.h"
53
c62d2810 54FCEUS FSettings;
55
56static int howlong;
57static char errmsg[65];
58
59void 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
72void 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;
890e37ba 81 printf("%s\n", errmsg);
c62d2810 82}
83
84void FCEUI_SetRenderedLines(int ntscf, int ntscl, int palf, int pall)
85{
86 FSettings.UsrFirstSLine[0]=ntscf;
87 FSettings.UsrLastSLine[0]=ntscl;
88 FSettings.UsrFirstSLine[1]=palf;
89 FSettings.UsrLastSLine[1]=pall;
90 if(PAL)
91 {
92 FSettings.FirstSLine=FSettings.UsrFirstSLine[1];
93 FSettings.LastSLine=FSettings.UsrLastSLine[1];
94 }
95 else
96 {
97 FSettings.FirstSLine=FSettings.UsrFirstSLine[0];
98 FSettings.LastSLine=FSettings.UsrLastSLine[0];
99 }
100
101}
102
103void FCEUI_SetVidSystem(int a)
104{
105 FSettings.PAL=a?1:0;
106 FCEU_ResetVidSys();
107 FCEU_ResetPalette();
108}
109
110int FCEUI_GetCurrentVidSystem(int *slstart, int *slend)
111{
112 if(slstart)
113 *slstart=FSettings.FirstSLine;
114 if(slend)
115 *slend=FSettings.LastSLine;
116 return(PAL);
117}
118
119#ifdef NETWORK
120void FCEUI_SetNetworkPlay(int type)
121{
122 FSettings.NetworkPlay=type;
123}
124#endif
125
126void FCEUI_SetGameGenie(int a)
127{
128 FSettings.GameGenie=a?1:0;
129}
130
c62d2810 131#ifndef NETWORK
132#define netplay 0
133#endif
134
135static uint8 StateShow=0;
136
137uint8 Exit=0;
138
139uint8 DIPS=0;
d97315ac 140//uint8 vsdip=0;
141//int coinon=0;
c62d2810 142
92764e62 143//uint8 pale=0;
c62d2810 144uint8 CommandQueue=0;
145
146static int controlselect=0;
147static int ntsccol=0;
148static int ntsctint=46+10;
149static int ntschue=72;
150static int controllength=0;
151
92764e62 152#if 0
c62d2810 153pal *palo;
154static pal *palpoint[8]=
155 {
156 palette,
157 palettevscv,
158 palettevssmb,
159 palettevsmar,
160 palettevsgoon,
161 palettevsslalom,
162 palettevseb,
163 rp2c04001
164 };
92764e62 165#endif
c62d2810 166
167void FCEUI_SetSnapName(int a)
168{
169 FSettings.SnapName=a;
170}
171
172void FCEUI_SaveExtraDataUnderBase(int a)
173{
174 FSettings.SUnderBase=a;
175}
176
92764e62 177#if 0
c62d2810 178void FCEUI_SetPaletteArray(uint8 *pal)
179{
180 if(!pal)
181 palpoint[0]=palette;
182 else
183 {
184 int x;
185 palpoint[0]=palettec;
186 for(x=0;x<64;x++)
187 {
188 palpoint[0][x].r=*((uint8 *)pal+x+x+x);
189 palpoint[0][x].g=*((uint8 *)pal+x+x+x+1);
190 palpoint[0][x].b=*((uint8 *)pal+x+x+x+2);
191 }
192 }
193 FCEU_ResetPalette();
194}
92764e62 195#endif
c62d2810 196
197void FCEUI_SelectState(int w)
198{
22f08d95 199 if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF)
c62d2810 200 CommandQueue=42+w;
201}
202
203void FCEUI_SaveState(void)
204{
205 if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF)
206 CommandQueue=40;
207}
208
209void FCEUI_LoadState(void)
210{
22f08d95 211 if(netplay!=2 && FCEUGameInfo.type!=GIT_NSF)
c62d2810 212 CommandQueue=41;
213}
214
215int32 FCEUI_GetDesiredFPS(void)
216{
217 if(PAL)
218 return(838977920); // ~50.007
219 else
220 return(1008307711); // ~60.1
221}
222
223static int dosnapsave=0;
224void FCEUI_SaveSnapshot(void)
225{
226 dosnapsave=1;
227}
228
229/* I like the sounds of breaking necks. */
230static void ReallySnap(void)
231{
232 int x=SaveSnapshot();
233 if(!x)
234 FCEU_DispMessage("Error saving screen snapshot.");
235 else
236 FCEU_DispMessage("Screen snapshot %d saved.",x-1);
237}
238
239void DriverInterface(int w, void *d)
240{
241 switch(w)
242 {
243 case DES_NTSCCOL:ntsccol=*(int *)d;FCEU_ResetPalette();break;
244 case DES_RESET:if(netplay!=2) CommandQueue=30;break;
245 case DES_POWER:if(netplay!=2) CommandQueue=31;break;
246 case DES_GETNTSCTINT:*(int*)d=ntsctint;break;
247 case DES_GETNTSCHUE:*(int*)d=ntschue;break;
248 case DES_SETNTSCTINT:ntsctint=*(int*)d;if(ntsccol)FCEU_ResetPalette();break;
249 case DES_SETNTSCHUE:ntschue=*(int*)d;if(ntsccol)FCEU_ResetPalette();break;
250
251 case DES_FDSINSERT:if(netplay!=2) CommandQueue=2;break;
252 case DES_FDSEJECT:if(netplay!=2) CommandQueue=3;break;
253 case DES_FDSSELECT:if(netplay!=2) CommandQueue=1;break;
d97315ac 254/*
c62d2810 255 case DES_NSFINC:NSFControl(1);break;
256 case DES_NSFDEC:NSFControl(2);break;
22f08d95 257 case DES_NSFRES:NSFControl(0);break;
d97315ac 258*/
c62d2810 259 case DES_VSUNIDIPSET:CommandQueue=10+(int)d;break;
260 case DES_VSUNITOGGLEDIPVIEW:CommandQueue=10;break;
261 case DES_VSUNICOIN:CommandQueue=19;break;
262 case DES_NTSCSELHUE:if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF){controlselect=1;controllength=360;}break;
263 case DES_NTSCSELTINT:if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF){controlselect=2;controllength=360;}break;
92764e62 264#if 0
c62d2810 265 case DES_NTSCDEC:
266 if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF)
267 {
268 char which;
269 if(controlselect)
270 {
271 if(controllength)
272 {
273 which=controlselect==1?ntschue:ntsctint;
274 which--;
275 if(which<0) which=0;
22f08d95 276 if(controlselect==1)
277 ntschue=which;
278 else ntsctint=which;
c62d2810 279 CalculatePalette();
280 }
281 controllength=360;
282 }
283 }
284 break;
22f08d95 285 case DES_NTSCINC:
c62d2810 286 if(ntsccol && FCEUGameInfo.type!=GIT_VSUNI && !PAL && FCEUGameInfo.type!=GIT_NSF)
287 if(controlselect)
288 {
289 if(controllength)
290 {
291 switch(controlselect)
292 {
293 case 1:ntschue++;
294 if(ntschue>128) ntschue=128;
295 CalculatePalette();
296 break;
297 case 2:ntsctint++;
298 if(ntsctint>128) ntsctint=128;
299 CalculatePalette();
300 break;
301 }
302 }
303 controllength=360;
304 }
305 break;
92764e62 306#endif
c62d2810 307 }
308}
309
92764e62 310#if 0
c62d2810 311static uint8 lastd=0;
312void SetNESDeemph(uint8 d, int force)
313{
314 static uint16 rtmul[7]={32768*1.239,32768*.794,32768*1.019,32768*.905,32768*1.023,32768*.741,32768*.75};
315 static uint16 gtmul[7]={32768*.915,32768*1.086,32768*.98,32768*1.026,32768*.908,32768*.987,32768*.75};
316 static uint16 btmul[7]={32768*.743,32768*.882,32768*.653,32768*1.277,32768*.979,32768*.101,32768*.75};
317 uint32 r,g,b;
318 int x;
319
22f08d95 320 /* If it's not forced(only forced when the palette changes),
321 don't waste cpu time if the same deemphasis bits are set as the last call.
c62d2810 322 */
22f08d95 323 if(!force)
c62d2810 324 {
22f08d95 325 if(d==lastd)
c62d2810 326 return;
327 }
328 else /* Only set this when palette has changed. */
329 {
330 r=rtmul[6];
331 g=rtmul[6];
332 b=rtmul[6];
333
334 for(x=0;x<0x40;x++)
335 {
336 uint32 m,n,o;
337 m=palo[x].r;
338 n=palo[x].g;
339 o=palo[x].b;
340 m=(m*r)>>15;
341 n=(n*g)>>15;
342 o=(o*b)>>15;
343 if(m>0xff) m=0xff;
344 if(n>0xff) n=0xff;
345 if(o>0xff) o=0xff;
346 FCEUD_SetPalette(x|0x40,m,n,o);
5232c20c 347
348
c62d2810 349 }
350 }
351 if(!d) return; /* No deemphasis, so return. */
352
353 r=rtmul[d-1];
354 g=gtmul[d-1];
355 b=btmul[d-1];
356
357 for(x=0;x<0x40;x++)
358 {
359 uint32 m,n,o;
360
361 m=palo[x].r;
362 n=palo[x].g;
363 o=palo[x].b;
364 m=(m*r)>>15;
365 n=(n*g)>>15;
366 o=(o*b)>>15;
367 if(m>0xff) m=0xff;
368 if(n>0xff) n=0xff;
369 if(o>0xff) o=0xff;
370
371 FCEUD_SetPalette(x|0xC0,m,n,o);
5232c20c 372
c62d2810 373 }
22f08d95 374
c62d2810 375 lastd=d;
376}
377
378#define HUEVAL ((double)((double)ntschue/(double)2)+(double)300)
379#define TINTVAL ((double)((double)ntsctint/(double)128))
380
381static void CalculatePalette(void)
382{
383 int x,z;
384 int r,g,b;
385 double s,y,theta;
386 static uint8 cols[16]={0,24,21,18,15,12,9,6,3,0,33,30,27,0,0,0};
387 static uint8 br1[4]={6,9,12,12};
388 static double br2[4]={.29,.45,.73,.9};
389 static double br3[4]={0,.24,.47,.77};
22f08d95 390
c62d2810 391 for(x=0;x<=3;x++)
392 for(z=0;z<16;z++)
393 {
394 s=(double)TINTVAL;
395 y=(double)br2[x];
396 if(z==0) {s=0;y=((double)br1[x])/12;}
22f08d95 397
c62d2810 398 if(z>=13)
399 {
400 s=y=0;
401 if(z==13)
22f08d95 402 y=(double)br3[x];
c62d2810 403 }
404
405 theta=(double)M_PI*(double)(((double)cols[z]*10+HUEVAL)/(double)180);
406 r=(int)(((double)y+(double)s*(double)sin(theta))*(double)256);
407 g=(int)(((double)y-(double)((double)27/(double)53)*s*(double)sin(theta)+(double)((double)10/(double)53)*s*cos(theta))*(double)256);
22f08d95 408 b=(int)(((double)y-(double)s*(double)cos(theta))*(double)256);
c62d2810 409
410 // TODO: Fix RGB to compensate for phosphor changes(add to red??).
411
412 if(r>255) r=255;
413 if(g>255) g=255;
414 if(b>255) b=255;
415 if(r<0) r=0;
416 if(g<0) g=0;
417 if(b<0) b=0;
22f08d95 418
c62d2810 419 paletten[(x<<4)+z].r=r;
420 paletten[(x<<4)+z].g=g;
421 paletten[(x<<4)+z].b=b;
422 }
423 WritePalette();
424}
92764e62 425#endif
c62d2810 426
427#include "drawing.h"
428#ifdef FRAMESKIP
429void FCEU_PutImageDummy(void)
430{
431 if(FCEUGameInfo.type!=GIT_NSF)
432 {
433 if(controllength) controllength--;
434 }
435 if(StateShow) StateShow--; /* DrawState() */
436 if(howlong) howlong--; /* DrawMessage() */
437 #ifdef FPS
438 {
439 extern uint64 frcount;
440 frcount++;
441 }
442 #endif
443
444}
445#endif
446
447void FCEU_PutImage(void)
448{
449 if(FCEUGameInfo.type==GIT_NSF)
450 {
451 DrawNSF(XBuf);
452 /* Save snapshot after NSF screen is drawn. Why would we want to
453 do it before?
454 */
455 if(dosnapsave)
456 {
457 ReallySnap();
458 dosnapsave=0;
459 }
460 }
461 else
22f08d95 462 {
c62d2810 463 /* Save snapshot before overlay stuff is written. */
464 if(dosnapsave)
465 {
466 ReallySnap();
467 dosnapsave=0;
468 }
92764e62 469 if(FCEUGameInfo.type==GIT_VSUNI)
470 FCEU_VSUniDraw(XBuf);
471 //if(StateShow) DrawState();
472
473 //FCEU_DrawSaveStates(XBuf);
474 //FCEU_DrawMovies(XBuf);
475 //FCEU_DrawNTSCControlBars(XBuf);
476 //FCEU_DrawRecordingStatus(XBuf);
477
478 //if(controllength) {controllength--;DrawBars();}
c62d2810 479 }
480 DrawMessage();
481 #ifdef FPS
482 {
483 extern uint64 frcount;
484 frcount++;
485 }
486 #endif
487 DrawInput(XBuf+8);
488}
489
92764e62 490#if 0
c62d2810 491static int ipalette=0;
492
493void LoadGamePalette(void)
494{
495 uint8 ptmp[192];
496 FILE *fp;
497 ipalette=0;
498 if((fp=fopen(FCEU_MakeFName(FCEUMKF_PALETTE,0,0),"rb")))
499 {
500 int x;
501 fread(ptmp,1,192,fp);
502 fclose(fp);
503 for(x=0;x<64;x++)
504 {
505 palettei[x].r=ptmp[x+x+x];
506 palettei[x].g=ptmp[x+x+x+1];
507 palettei[x].b=ptmp[x+x+x+2];
508 }
509 ipalette=1;
510 }
511}
512
513void FCEU_ResetPalette(void)
514{
515 ChoosePalette();
516 WritePalette();
517}
518
519static void ChoosePalette(void)
520{
521 if(FCEUGameInfo.type==GIT_NSF)
22f08d95 522 palo=NSFPalette;
c62d2810 523 else if(ipalette)
524 palo=palettei;
525 else if(ntsccol && !PAL && FCEUGameInfo.type!=GIT_VSUNI)
526 {
527 palo=paletten;
528 CalculatePalette();
529 }
530 else
22f08d95 531 palo=palpoint[pale];
c62d2810 532}
533
534void WritePalette(void)
535{
536 int x;
537
538 for(x=0;x<6;x++)
539 FCEUD_SetPalette(x+128,unvpalette[x].r,unvpalette[x].g,unvpalette[x].b);
540 if(FCEUGameInfo.type==GIT_NSF)
541 {
542 for(x=0;x<39;x++)
22f08d95 543 FCEUD_SetPalette(x,palo[x].r,palo[x].g,palo[x].b);
c62d2810 544 }
545 else
546 {
547 for(x=0;x<64;x++)
548 FCEUD_SetPalette(x,palo[x].r,palo[x].g,palo[x].b);
549 SetNESDeemph(lastd,1);
550 }
551}
552
553void FlushCommandQueue(void)
554{
555 if(!netplay && CommandQueue) {DoCommand(CommandQueue);CommandQueue=0;}
556}
557
558void DoCommand(uint8 c)
559{
560 switch(c)
561 {
562 case 1:FDSControl(FDS_SELECT);break;
563 case 2:FDSControl(FDS_IDISK);break;
564 case 3:FDSControl(FDS_EJECT);break;
565
566 case 10:DIPS^=2;break;
567 case 11:vsdip^=1;DIPS|=2;break;
568 case 12:vsdip^=2;DIPS|=2;break;
569 case 13:vsdip^=4;DIPS|=2;break;
570 case 14:vsdip^=8;DIPS|=2;break;
571 case 15:vsdip^=0x10;DIPS|=2;break;
572 case 16:vsdip^=0x20;DIPS|=2;break;
573 case 17:vsdip^=0x40;DIPS|=2;break;
574 case 18:vsdip^=0x80;DIPS|=2;break;
575 case 19:coinon=6;break;
576 case 30:ResetNES();break;
577 case 31:PowerNES();break;
578 case 40:CheckStates();StateShow=0;SaveState();break;
579 case 41:CheckStates();StateShow=0;LoadState();break;
580 case 42: case 43: case 44: case 45: case 46: case 47: case 48: case 49:
581 case 50: case 51:StateShow=180;CurrentState=c-42;CheckStates();break;
582 }
583}
d97315ac 584#endif
585