-
Notifications
You must be signed in to change notification settings - Fork 17
/
NESGameCore.mm
1051 lines (899 loc) · 43.9 KB
/
NESGameCore.mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
Copyright (c) 2018, OpenEmu Team
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the OpenEmu Team nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY OpenEmu Team ''AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL OpenEmu Team BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "NESGameCore.h"
#import <OpenEmuBase/OERingBuffer.h>
#import "OENESSystemResponderClient.h"
#import "OEFDSSystemResponderClient.h"
#import <OpenGL/gl.h>
#include <NstBase.hpp>
#include <NstApiEmulator.hpp>
#include <NstApiMachine.hpp>
#include <NstApiCartridge.hpp>
#include <NstApiInput.hpp>
#include <NstApiVideo.hpp>
#include <NstApiSound.hpp>
#include <NstApiUser.hpp>
#include <NstApiCheats.hpp>
#include <NstApiFds.hpp>
#include <NstMachine.hpp>
#include <iostream>
#include <fstream>
#include <sstream>
#define SAMPLERATE 48000
#define OVERSCAN_VERTICAL 8
#define OVERSCAN_HORIZONTAL 8
#define OptionDefault(_NAME_, _PREFKEY_) @{ OEGameCoreDisplayModeNameKey : _NAME_, OEGameCoreDisplayModePrefKeyNameKey : _PREFKEY_, OEGameCoreDisplayModeStateKey : @YES, }
#define Option(_NAME_, _PREFKEY_) @{ OEGameCoreDisplayModeNameKey : _NAME_, OEGameCoreDisplayModePrefKeyNameKey : _PREFKEY_, OEGameCoreDisplayModeStateKey : @NO, }
#define OptionIndented(_NAME_, _PREFKEY_) @{ OEGameCoreDisplayModeNameKey : _NAME_, OEGameCoreDisplayModePrefKeyNameKey : _PREFKEY_, OEGameCoreDisplayModeStateKey : @NO, OEGameCoreDisplayModeIndentationLevelKey : @(1), }
#define OptionToggleable(_NAME_, _PREFKEY_) @{ OEGameCoreDisplayModeNameKey : _NAME_, OEGameCoreDisplayModePrefKeyNameKey : _PREFKEY_, OEGameCoreDisplayModeStateKey : @NO, OEGameCoreDisplayModeAllowsToggleKey : @YES, }
#define OptionToggleableNoSave(_NAME_, _PREFKEY_) @{ OEGameCoreDisplayModeNameKey : _NAME_, OEGameCoreDisplayModePrefKeyNameKey : _PREFKEY_, OEGameCoreDisplayModeStateKey : @NO, OEGameCoreDisplayModeAllowsToggleKey : @YES, OEGameCoreDisplayModeDisallowPrefSaveKey : @YES, }
#define Label(_NAME_) @{ OEGameCoreDisplayModeLabelKey : _NAME_, }
#define SeparatorItem() @{ OEGameCoreDisplayModeSeparatorItemKey : @"",}
static void NST_CALLBACK doFileIO(void *userData, Nes::Api::User::File &file);
static Nes::Api::User::Answer NST_CALLBACK doQuestion(void *userData, Nes::Api::User::Question question);
static void NST_CALLBACK doLog(void *userData, const char *text, unsigned long length);
static void NST_CALLBACK doEvent(void *userData, Nes::Api::Machine::Event event, Nes::Result result);
@interface NESGameCore () <OENESSystemResponderClient, OEFDSSystemResponderClient>
{
NSURL *_romURL;
int _bufFrameSize;
int _videoWidth, _videoHeight;
int _videoOffsetX, _videoOffsetY;
int _aspectWidth, _aspectHeight;
const unsigned char *_indirectVideoBuffer;
int16_t *_soundBuffer;
BOOL _isHorzOverscanCropped;
BOOL _isVertOverscanCropped;
Nes::Api::Emulator _emu;
Nes::Api::Sound::Output *_nesSound;
Nes::Api::Video::Output *_nesVideo;
Nes::Api::Input::Controllers *_controls;
NSMutableDictionary<NSString *, NSNumber *> *_cheatList;
NSMutableArray <NSMutableDictionary <NSString *, id> *> *_availableDisplayModes;
}
- (void)loadDisplayModeOptions;
@end
@implementation NESGameCore
static __weak NESGameCore *_current;
- (id)init;
{
if((self = [super init]))
{
_current = self;
_nesSound = new Nes::Api::Sound::Output;
_nesVideo = new Nes::Api::Video::Output;
_controls = new Nes::Api::Input::Controllers;
_cheatList = [NSMutableDictionary dictionary];
}
return self;
}
- (void)dealloc
{
delete[] _soundBuffer;
delete[] _indirectVideoBuffer;
delete _nesSound;
delete _nesVideo;
delete _controls;
}
# pragma mark - Execution
- (BOOL)loadFileAtPath:(NSString *)path error:(NSError **)error
{
Nes::Result result;
Nes::Api::Machine machine(_emu);
Nes::Api::Cartridge::Database database(_emu);
// Load database
if(!database.IsLoaded())
{
NSURL *databaseURL = [[NSBundle bundleForClass:[self class]] URLForResource:@"NstDatabase" withExtension:@"xml"];
if ([databaseURL checkResourceIsReachableAndReturnError:nil])
{
std::ifstream databaseStream(databaseURL.fileSystemRepresentation, std::ifstream::in | std::ifstream::binary);
database.Load(databaseStream);
database.Enable(true);
databaseStream.close();
}
else
NSLog(@"[Nestopia] NstDatabase.xml not found!");
}
_romURL = [NSURL fileURLWithPath:path];
// Setup callbacks
Nes::Api::User::fileIoCallback.Set(doFileIO, 0);
Nes::Api::User::logCallback.Set(doLog, 0);
Nes::Api::Machine::eventCallback.Set(doEvent, 0);
Nes::Api::User::questionCallback.Set(doQuestion, 0);
// Load FDS BIOS
Nes::Api::Fds fds(_emu);
if([self.systemIdentifier isEqualToString:@"openemu.system.fds"])
{
NSString *biosFilePath = [self.biosDirectoryPath stringByAppendingPathComponent:@"disksys.rom"];
std::ifstream biosFile(biosFilePath.fileSystemRepresentation, std::ios::in | std::ios::binary);
fds.SetBIOS(&biosFile);
}
// Load ROM
std::ifstream romFile(path.fileSystemRepresentation, std::ios::in | std::ios::binary);
result = machine.Load(romFile, Nes::Api::Machine::FAVORED_NES_NTSC, Nes::Api::Machine::ASK_PROFILE);
if(NES_FAILED(result))
{
NSString *errorDescription = nil;
switch(result)
{
case Nes::RESULT_ERR_INVALID_FILE :
errorDescription = NSLocalizedStringFromTableInBundle(@"Invalid file.", nil, [NSBundle bundleForClass:[self class]], @"Invalid file.");
break;
case Nes::RESULT_ERR_OUT_OF_MEMORY :
errorDescription = NSLocalizedStringFromTableInBundle(@"Out of memory.", nil, [NSBundle bundleForClass:[self class]], @"Out of memory.");
break;
case Nes::RESULT_ERR_CORRUPT_FILE :
errorDescription = NSLocalizedStringFromTableInBundle(@"Corrupt file.", nil, [NSBundle bundleForClass:[self class]], @"Corrupt file.");
break;
case Nes::RESULT_ERR_UNSUPPORTED_MAPPER :
errorDescription = NSLocalizedStringFromTableInBundle(@"Unsupported mapper.", nil, [NSBundle bundleForClass:[self class]], @"Unsupported mapper.");
break;
case Nes::RESULT_ERR_MISSING_BIOS :
errorDescription = NSLocalizedStringFromTableInBundle(@"Can't find disksys.rom for FDS game.", nil, [NSBundle bundleForClass:[self class]], @"Can't find disksys.rom for FDS game.");
break;
default :
errorDescription = [NSString stringWithFormat:NSLocalizedStringFromTableInBundle(@"Unknown nestopia error #%d.", nil, [NSBundle bundleForClass:[self class]], @"Unknown nestopia error #%d."), result];
break;
}
NSError *outErr = [NSError errorWithDomain:OEGameCoreErrorDomain code:OEGameCoreCouldNotLoadROMError userInfo:@{
//NSLocalizedDescriptionKey : @"Could not load ROM.",
NSDebugDescriptionErrorKey : @"Could not load ROM.",
NSLocalizedDescriptionKey : errorDescription,
//NSLocalizedRecoverySuggestionErrorKey : errorDescription
}];
if (error) {
*error = outErr;
}
return NO;
}
machine.Power(true);
if (machine.Is(Nes::Api::Machine::DISK))
fds.InsertDisk(0, 0);
// Only temporary, so core doesn't crash on an older OpenEmu version
if ([self respondsToSelector:@selector(displayModeInfo)]) {
[self loadDisplayModeOptions];
}
return YES;
}
- (void)setupEmulation
{
// Auto connect controllers/adapter, info from database
Nes::Api::Cartridge::Database database(_emu);
if(database.IsLoaded())
{
Nes::Api::Input(_emu).AutoSelectControllers();
Nes::Api::Input(_emu).AutoSelectAdapter();
}
else
Nes::Api::Input(_emu).ConnectController(0, Nes::Api::Input::PAD1);
// Auto set video format, info from database
Nes::Api::Machine machine(_emu);
machine.SetMode(machine.GetDesiredMode());
// Setup Video
Nes::Api::Video::RenderState renderState;
renderState.bits.count = 32;
renderState.bits.mask.r = 0xFF0000;
renderState.bits.mask.g = 0x00FF00;
renderState.bits.mask.b = 0x0000FF;
renderState.filter = Nes::Api::Video::RenderState::FILTER_NONE;
renderState.width = Nes::Api::Video::Output::WIDTH;
renderState.height = Nes::Api::Video::Output::HEIGHT;
Nes::Api::Video video(_emu);
// set the render state, make use of the NES_FAILED macro, expands to: "if(function(...) < Nes::RESULT_OK)"
if(NES_FAILED(video.SetRenderState(renderState)))
{
NSLog(@"[Nestopia] core rejected render state");
exit(0);
}
// Setup Audio
Nes::Api::Sound sound(_emu);
sound.SetSampleRate(SAMPLERATE);
sound.SetVolume(Nes::Api::Sound::ALL_CHANNELS, 100);
sound.SetSpeaker(Nes::Api::Sound::SPEAKER_MONO);
sound.SetSpeed(self.frameInterval);
_bufFrameSize = (SAMPLERATE / self.frameInterval);
_soundBuffer = new int16_t[_bufFrameSize * self.channelCount];
//[[self ringBufferAtIndex:0] setLength:(sizeof(int16_t) * _bufFrameSize * self.channelCount * 5)];
memset(_soundBuffer, 0, _bufFrameSize * self.channelCount * sizeof(int16_t));
_nesSound->samples[0] = _soundBuffer;
_nesSound->length[0] = _bufFrameSize;
_nesSound->samples[1] = NULL;
_nesSound->length[1] = 0;
}
- (void)executeFrame
{
_emu.Execute(_nesVideo, _nesSound, _controls);
[[self audioBufferAtIndex:0] write:_soundBuffer maxLength:self.channelCount * _bufFrameSize * sizeof(int16_t)];
}
- (void)resetEmulation
{
Nes::Api::Machine machine(_emu);
machine.Reset(true);
// put the disk system back to disk 0 side 0
if (machine.Is(Nes::Api::Machine::DISK))
{
Nes::Api::Fds fds(_emu);
fds.EjectDisk();
fds.InsertDisk(0, 0);
}
}
- (void)stopEmulation
{
Nes::Api::Machine machine(_emu);
//machine.Power(false);
machine.Unload(); // this allows FDS to save
[super stopEmulation];
}
- (NSTimeInterval)frameInterval
{
Nes::Api::Machine machine(_emu);
if(machine.GetMode() == Nes::Api::Machine::NTSC)
return Nes::Api::Machine::CLK_NTSC_DOT / Nes::Api::Machine::CLK_NTSC_VSYNC; // 60.0988138974
else
return Nes::Api::Machine::CLK_PAL_DOT / Nes::Api::Machine::CLK_PAL_VSYNC; // 50.0069789082
}
# pragma mark - Video
- (const void *)getVideoBufferWithHint:(void *)hint
{
if (!hint)
{
if(!_indirectVideoBuffer)
{
_indirectVideoBuffer = new unsigned char[Nes::Api::Video::Output::WIDTH * Nes::Api::Video::Output::HEIGHT * 4];
}
hint = (void *)_indirectVideoBuffer;
}
_nesVideo->pixels = hint;
_nesVideo->pitch = Nes::Api::Video::Output::WIDTH * 4;
return hint;
}
- (OEIntRect)screenRect
{
_videoOffsetX = _isHorzOverscanCropped ? OVERSCAN_HORIZONTAL : 0;
_videoOffsetY = _isVertOverscanCropped ? OVERSCAN_VERTICAL : 0;
_videoWidth = _isHorzOverscanCropped ? 256 - (OVERSCAN_HORIZONTAL * 2) : 256;
_videoHeight = _isVertOverscanCropped ? 240 - (OVERSCAN_VERTICAL * 2) : 240;
return OEIntRectMake(_videoOffsetX, _videoOffsetY, _videoWidth, _videoHeight);
}
- (OEIntSize)bufferSize
{
return OEIntSizeMake(Nes::Api::Video::Output::WIDTH, Nes::Api::Video::Output::HEIGHT);
}
- (OEIntSize)aspectSize
{
_aspectWidth = _isHorzOverscanCropped ? (256 - (OVERSCAN_HORIZONTAL * 2)) * (8.0/7.0) : 256 * (8.0/7.0);
_aspectHeight = _isVertOverscanCropped ? 240 - (OVERSCAN_VERTICAL * 2) : 240;
return OEIntSizeMake(_aspectWidth, _aspectHeight);
}
- (GLenum)pixelFormat
{
return GL_BGRA;
}
- (GLenum)pixelType
{
return GL_UNSIGNED_INT_8_8_8_8_REV;
}
# pragma mark - Audio
- (double)audioSampleRate
{
return SAMPLERATE;
}
- (NSUInteger)channelCount
{
return 1;
}
# pragma mark - Save States
- (void)saveStateToFileAtPath:(NSString *)fileName completionHandler:(void (^)(BOOL, NSError *))block
{
Nes::Result result;
Nes::Api::Machine machine(_emu);
std::ofstream stateFile(fileName.fileSystemRepresentation, std::ifstream::out|std::ifstream::binary);
if(stateFile.is_open())
result = machine.SaveState(stateFile, Nes::Api::Machine::NO_COMPRESSION);
else {
NSError *error = [NSError errorWithDomain:OEGameCoreErrorDomain code:OEGameCoreCouldNotSaveStateError userInfo:@{
NSLocalizedDescriptionKey : NSLocalizedStringFromTableInBundle(@"The save state file could not be written", nil, [NSBundle bundleForClass:[self class]], @"Nestopia state file could not be written description."),
NSDebugDescriptionErrorKey : @"The save state file could not be written",
NSLocalizedRecoverySuggestionErrorKey : [NSString stringWithFormat:NSLocalizedStringFromTableInBundle(@"Could not write the file state in %@.", nil, [NSBundle bundleForClass:[self class]], @"Nestopia state file could not be written suggestion."), fileName]
}];
block(NO, error);
return;
}
if(NES_FAILED(result)) {
NSString *errorDescription = nil;
switch(result)
{
case Nes::RESULT_ERR_NOT_READY :
errorDescription = NSLocalizedStringFromTableInBundle(@"Not ready to save state.", nil, [NSBundle bundleForClass:[self class]], @"Not ready to save state.");
break;
case Nes::RESULT_ERR_OUT_OF_MEMORY :
errorDescription = NSLocalizedStringFromTableInBundle(@"Out of memory.", nil, [NSBundle bundleForClass:[self class]], @"Out of memory.");
break;
default :
errorDescription = [NSString stringWithFormat:NSLocalizedStringFromTableInBundle(@"Unknown nestopia error #%d.", nil, [NSBundle bundleForClass:[self class]], @"Unknown nestopia error #%d."), result];
break;
}
NSError *error = [NSError errorWithDomain:OEGameCoreErrorDomain code:OEGameCoreCouldNotSaveStateError userInfo:@{
NSLocalizedDescriptionKey : NSLocalizedStringFromTableInBundle(@"The save state data could not be read", nil, [NSBundle bundleForClass:[self class]], @"The save state data could not be read"),
NSDebugDescriptionErrorKey : @"The save state data could not be read",
NSLocalizedRecoverySuggestionErrorKey : errorDescription
}];
block(NO, error);
return;
}
stateFile.close();
block(YES, nil);
}
- (void)loadStateFromFileAtPath:(NSString *)fileName completionHandler:(void (^)(BOOL, NSError *))block
{
Nes::Result result;
Nes::Api::Machine machine(_emu);
std::ifstream stateFile(fileName.fileSystemRepresentation, std::ifstream::in|std::ifstream::binary);
if(stateFile.is_open())
result = machine.LoadState(stateFile);
else {
NSError *error = [NSError errorWithDomain:OEGameCoreErrorDomain code:OEGameCoreCouldNotLoadStateError userInfo:@{
NSLocalizedDescriptionKey : NSLocalizedStringFromTableInBundle(@"The save state file could not be opened", nil, [NSBundle bundleForClass:[self class]], @"Nestopia state file could not be opened description."),
NSDebugDescriptionErrorKey : @"The save state file could not be opened",
NSLocalizedRecoverySuggestionErrorKey : [NSString stringWithFormat:NSLocalizedStringFromTableInBundle(@"Could not read the file state in %@.", nil, [NSBundle bundleForClass:[self class]], @"Nestopia state file could not be opened suggestion."), fileName]
}];
block(NO, error);
return;
}
if(NES_FAILED(result)) {
NSString *errorDescription = nil;
switch(result) {
case Nes::RESULT_ERR_NOT_READY :
errorDescription = NSLocalizedStringFromTableInBundle(@"Not ready to save state.", nil, [NSBundle bundleForClass:[self class]], @"Not ready to save state.");
break;
case Nes::RESULT_ERR_INVALID_CRC :
errorDescription = NSLocalizedStringFromTableInBundle(@"Invalid CRC checksum.", nil, [NSBundle bundleForClass:[self class]], @"Invalid CRC checksum.");
break;
case Nes::RESULT_ERR_OUT_OF_MEMORY :
errorDescription = NSLocalizedStringFromTableInBundle(@"Out of memory.", nil, [NSBundle bundleForClass:[self class]], @"Out of memory.");
break;
default :
errorDescription = [NSString stringWithFormat:NSLocalizedStringFromTableInBundle(@"Unknown nestopia error #%d.", nil, [NSBundle bundleForClass:[self class]], @"Unknown nestopia error #%d."), result];
break;
}
NSError *error = [NSError errorWithDomain:OEGameCoreErrorDomain code:OEGameCoreStateHasWrongSizeError userInfo:@{
NSLocalizedDescriptionKey : NSLocalizedStringFromTableInBundle(@"Save state has wrong file size.", nil, [NSBundle bundleForClass:[self class]], @"Save state has wrong file size."),
NSDebugDescriptionErrorKey : @"Save state has wrong file size.",
NSLocalizedRecoverySuggestionErrorKey : errorDescription,
}];
block(NO, error);
return;
}
block(YES, nil);
}
- (NSData *)serializeStateWithError:(NSError **)outError
{
Nes::Result result;
Nes::Api::Machine machine(_emu);
std::stringstream stateStream(std::ios::in|std::ios::out|std::ios::binary);
result = machine.SaveState(stateStream, Nes::Api::Machine::NO_COMPRESSION);
if(NES_FAILED(result)) {
if (!outError)
return nil;
NSString *errorDescription = nil;
switch(result) {
case Nes::RESULT_ERR_NOT_READY :
errorDescription = NSLocalizedStringFromTableInBundle(@"Not ready to save state.", nil, [NSBundle bundleForClass:[self class]], @"Not ready to save state.");
break;
case Nes::RESULT_ERR_OUT_OF_MEMORY :
errorDescription = NSLocalizedStringFromTableInBundle(@"Out of memory.", nil, [NSBundle bundleForClass:[self class]], @"Out of memory.");
break;
default :
errorDescription = [NSString stringWithFormat:NSLocalizedStringFromTableInBundle(@"Unknown nestopia error #%d.", nil, [NSBundle bundleForClass:[self class]], @"Unknown nestopia error #%d."), result];
break;
}
*outError = [NSError errorWithDomain:OEGameCoreErrorDomain code:OEGameCoreCouldNotSaveStateError userInfo:@{
NSLocalizedDescriptionKey : NSLocalizedStringFromTableInBundle(@"The save state data could not be read", nil, [NSBundle bundleForClass:[self class]], @"The save state data could not be read"),
NSDebugDescriptionErrorKey : @"The save state data could not be read",
NSLocalizedRecoverySuggestionErrorKey : errorDescription
}];
return NO;
}
stateStream.seekg(0, std::ios::end);
NSUInteger length = stateStream.tellg();
stateStream.seekg(0, std::ios::beg);
NSMutableData *data = [NSMutableData dataWithLength:length];
stateStream.read((char *)data.mutableBytes, length);
return data;
}
- (BOOL)deserializeState:(NSData *)state withError:(NSError **)outError
{
Nes::Result result;
Nes::Api::Machine machine(_emu);
std::stringstream stateStream(std::ios::in|std::ios::out|std::ios::binary);
char const *bytes = (char const *)(state.bytes);
std::streamsize size = state.length;
stateStream.write(bytes, size);
result = machine.LoadState(stateStream);
if(NES_FAILED(result)) {
if (!outError)
return NO;
NSString *errorDescription = nil;
switch(result) {
case Nes::RESULT_ERR_NOT_READY :
errorDescription = NSLocalizedStringFromTableInBundle(@"Not ready to save state.", nil, [NSBundle bundleForClass:[self class]], @"Not ready to save state.");
break;
case Nes::RESULT_ERR_INVALID_CRC :
errorDescription = NSLocalizedStringFromTableInBundle(@"Invalid CRC checksum.", nil, [NSBundle bundleForClass:[self class]], @"Invalid CRC checksum.");
break;
case Nes::RESULT_ERR_OUT_OF_MEMORY :
errorDescription = NSLocalizedStringFromTableInBundle(@"Out of memory.", nil, [NSBundle bundleForClass:[self class]], @"Out of memory.");
break;
default :
errorDescription = [NSString stringWithFormat:NSLocalizedStringFromTableInBundle(@"Unknown nestopia error #%d.", nil, [NSBundle bundleForClass:[self class]], @"Unknown nestopia error #%d."), result];
break;
}
*outError = [NSError errorWithDomain:OEGameCoreErrorDomain code:OEGameCoreStateHasWrongSizeError userInfo:@{
NSLocalizedDescriptionKey : NSLocalizedStringFromTableInBundle(@"Save state has wrong file size.", nil, [NSBundle bundleForClass:[self class]], @"Save state has wrong file size."),
NSDebugDescriptionErrorKey : @"Save state has wrong file size.",
NSLocalizedRecoverySuggestionErrorKey : errorDescription,
}];
return NO;
}
return YES;
}
# pragma mark - Input
NSUInteger NESControlValues[] = { Nes::Api::Input::Controllers::Pad::UP, Nes::Api::Input::Controllers::Pad::DOWN, Nes::Api::Input::Controllers::Pad::LEFT, Nes::Api::Input::Controllers::Pad::RIGHT, Nes::Api::Input::Controllers::Pad::A, Nes::Api::Input::Controllers::Pad::B, Nes::Api::Input::Controllers::Pad::START, Nes::Api::Input::Controllers::Pad::SELECT
};
- (oneway void)didPushNESButton:(OENESButton)button forPlayer:(NSUInteger)player
{
_controls->pad[player - 1].buttons |= NESControlValues[button];
}
- (oneway void)didReleaseNESButton:(OENESButton)button forPlayer:(NSUInteger)player
{
_controls->pad[player - 1].buttons &= ~NESControlValues[button];
}
- (oneway void)didTriggerGunAtPoint:(OEIntPoint)aPoint
{
[self mouseMovedAtPoint:aPoint];
// Nes::Api::Video::Output::WIDTH / (Nes::Api::Video::Output::WIDTH * 8.0/7.0) = 0.876712
int xcoord = _isHorzOverscanCropped ? (aPoint.x + OVERSCAN_HORIZONTAL) * 0.876712 : aPoint.x * 0.876712;
int ycoord = _isVertOverscanCropped ? aPoint.y + OVERSCAN_VERTICAL : aPoint.y;
_controls->paddle.button = 1;
_controls->zapper.x = xcoord;
_controls->zapper.y = ycoord;
_controls->zapper.fire = 1;
_controls->bandaiHyperShot.x = xcoord;
_controls->bandaiHyperShot.y = ycoord;
_controls->bandaiHyperShot.fire = 1;
}
- (oneway void)didReleaseTrigger
{
_controls->paddle.button = 0;
_controls->zapper.fire = 0;
_controls->bandaiHyperShot.fire = 0;
}
- (oneway void)mouseMovedAtPoint:(OEIntPoint)aPoint
{
_controls->paddle.x = _isHorzOverscanCropped ? (aPoint.x + OVERSCAN_HORIZONTAL) * 0.876712 : aPoint.x * 0.876712;
}
- (oneway void)rightMouseDownAtPoint:(OEIntPoint)point
{
_controls->bandaiHyperShot.move = 1;
}
- (oneway void)rightMouseUp
{
_controls->bandaiHyperShot.move = 0;
}
- (oneway void)didPushFDSChangeSideButton
{
Nes::Api::Fds fds(_emu);
//fds.ChangeSide();
Nes::Result result;
if (fds.IsAnyDiskInserted() && fds.CanChangeDiskSide())
result = fds.ChangeSide();
else
result = fds.InsertDisk(0, 0);
NSLog(@"[Nestopia] didPushFDSChangeSideButton: %d", result);
}
- (oneway void)didReleaseFDSChangeSideButton
{
}
- (oneway void)didPushFDSChangeDiskButton
{
Nes::Api::Fds fds(_emu);
// if multi-disk game, eject and insert the other disk
if (fds.GetNumDisks() > 1)
{
int currdisk = fds.GetCurrentDisk();
fds.EjectDisk();
fds.InsertDisk(!currdisk, 0);
NSLog(@"[Nestopia] didPushFDSChangeDiskButton");
}
}
- (oneway void)didReleaseFDSChangeDiskButton;
{
}
#pragma mark - Cheats
- (void)setCheat:(NSString *)code setType:(NSString *)type setEnabled:(BOOL)enabled
{
// Sanitize
code = [code stringByTrimmingCharactersInSet:NSCharacterSet.whitespaceAndNewlineCharacterSet];
// Remove any spaces
code = [code stringByReplacingOccurrencesOfString:@" " withString:@""];
Nes::Api::Cheats cheater(_emu);
Nes::Api::Cheats::Code ggCode;
if (enabled)
_cheatList[code] = @YES;
else
[_cheatList removeObjectForKey:code];
cheater.ClearCodes();
NSArray<NSString *> *multipleCodes = [NSArray array];
// Apply enabled cheats found in dictionary
for (NSString *key in _cheatList)
{
if ([_cheatList[key] boolValue])
{
// Handle multi-line cheats
multipleCodes = [key componentsSeparatedByString:@"+"];
for (NSString *singleCode in multipleCodes) {
const char *cCode = singleCode.UTF8String;
if (singleCode.length == 7 && [singleCode characterAtIndex:4] == ':')
{
ggCode.address = strtoul([singleCode substringToIndex:4].UTF8String, NULL, 16);
ggCode.value = strtoul([singleCode substringFromIndex:5].UTF8String, NULL, 16);
cheater.SetCode(ggCode);
}
else if (singleCode.length == 10 && [singleCode characterAtIndex:4] == '?' && [singleCode characterAtIndex:7] == ':')
{
ggCode.address = strtoul([singleCode substringToIndex:4].UTF8String, NULL, 16);
ggCode.compare = strtoul([singleCode substringWithRange:NSMakeRange(5, 2)].UTF8String, NULL, 16);
ggCode.useCompare = true;
ggCode.value = strtoul([singleCode substringFromIndex:8].UTF8String, NULL, 16);
cheater.SetCode(ggCode);
}
else if (Nes::Api::Cheats::GameGenieDecode(cCode, ggCode) == Nes::RESULT_OK)
cheater.SetCode(ggCode);
else if (Nes::Api::Cheats::ProActionRockyDecode(cCode, ggCode) == Nes::RESULT_OK)
cheater.SetCode(ggCode);
}
}
}
}
# pragma mark - Display Mode
- (NSArray <NSDictionary <NSString *, id> *> *)displayModes
{
if (_availableDisplayModes.count == 0)
{
_availableDisplayModes = [NSMutableArray array];
NSArray <NSDictionary <NSString *, id> *> *availableModesWithDefault =
@[
OptionToggleableNoSave(@"No Sprite Limit", @"noSpriteLimit"),
SeparatorItem(),
Label(@"Overscan"),
OptionToggleable(@"Crop Horizontal", @"cropHorizontalOverscan"),
OptionToggleable(@"Crop Vertical", @"cropVerticalOverscan"),
SeparatorItem(),
Label(@"Palette"),
OptionDefault(@"15° Canonical — Nestopia", @"palette"),
Option(@"Consumer — Nestopia", @"palette"),
Option(@"Alternative — Nestopia", @"palette"),
Option(@"RGB (PlayChoice-10)", @"palette"),
Option(@"NESCAP", @"palette"),
Option(@"Sony CXA2025AS", @"palette"),
Option(@"Smooth (FBX)", @"palette"),
Option(@"Wavebeam", @"palette"),
];
// Deep mutable copy
_availableDisplayModes = (NSMutableArray *)CFBridgingRelease(CFPropertyListCreateDeepCopy(kCFAllocatorDefault, (CFArrayRef)availableModesWithDefault, kCFPropertyListMutableContainers));
}
return [_availableDisplayModes copy];
}
- (void)changeDisplayWithMode:(NSString *)displayMode
{
if (_availableDisplayModes.count == 0)
[self displayModes];
// First check if 'displayMode' is valid
BOOL isDisplayModeToggleable = NO;
BOOL isValidDisplayMode = NO;
BOOL displayModeState = NO;
NSString *displayModePrefKey;
for (NSDictionary *modeDict in _availableDisplayModes) {
if ([modeDict[OEGameCoreDisplayModeNameKey] isEqualToString:displayMode]) {
displayModeState = [modeDict[OEGameCoreDisplayModeStateKey] boolValue];
displayModePrefKey = modeDict[OEGameCoreDisplayModePrefKeyNameKey];
isDisplayModeToggleable = [modeDict[OEGameCoreDisplayModeAllowsToggleKey] boolValue];
isValidDisplayMode = YES;
break;
}
}
// Disallow a 'displayMode' not found in _availableDisplayModes
if (!isValidDisplayMode)
return;
// Handle option state changes
for (NSMutableDictionary *optionDict in _availableDisplayModes) {
NSString *modeName = optionDict[OEGameCoreDisplayModeNameKey];
NSString *prefKey = optionDict[OEGameCoreDisplayModePrefKeyNameKey];
if (!modeName)
continue;
// Mutually exclusive option state change
else if ([modeName isEqualToString:displayMode] && !isDisplayModeToggleable)
optionDict[OEGameCoreDisplayModeStateKey] = @YES;
// Reset mutually exclusive options that are the same prefs group as 'displayMode'
else if (!isDisplayModeToggleable && [prefKey isEqualToString:displayModePrefKey])
optionDict[OEGameCoreDisplayModeStateKey] = @NO;
// Toggleable option state change
else if ([modeName isEqualToString:displayMode] && isDisplayModeToggleable)
optionDict[OEGameCoreDisplayModeStateKey] = @(!displayModeState);
}
Nes::Api::Video video(_emu);
if ([displayMode isEqualToString:@"Crop Horizontal"])
{
_isHorzOverscanCropped = !_isHorzOverscanCropped;
}
else if ([displayMode isEqualToString:@"Crop Vertical"])
{
_isVertOverscanCropped = !_isVertOverscanCropped;
}
else if ([displayMode isEqualToString:@"No Sprite Limit"])
{
video.EnableUnlimSprites(!displayModeState);
}
else if ([displayMode isEqualToString:@"15° Canonical — Nestopia"])
{
video.GetPalette().SetMode(Nes::Api::Video::Palette::MODE_YUV);
video.SetDecoder(Nes::Api::Video::DECODER_CANONICAL);
}
else if ([displayMode isEqualToString:@"Consumer — Nestopia"])
{
video.GetPalette().SetMode(Nes::Api::Video::Palette::MODE_YUV);
video.SetDecoder(Nes::Api::Video::DECODER_CONSUMER);
}
else if ([displayMode isEqualToString:@"Alternative — Nestopia"])
{
video.GetPalette().SetMode(Nes::Api::Video::Palette::MODE_YUV);
video.SetDecoder(Nes::Api::Video::DECODER_ALTERNATIVE);
}
else if ([displayMode isEqualToString:@"RGB (PlayChoice-10)"])
{
video.GetPalette().SetMode(Nes::Api::Video::Palette::MODE_RGB);
}
else if ([displayMode isEqualToString:@"NESCAP"])
{
static const unsigned char nescap_palette[64][3] =
{
{0x64, 0x63, 0x65}, {0x00, 0x15, 0x80}, {0x1D, 0x00, 0x90}, {0x38, 0x00, 0x82},
{0x56, 0x00, 0x5D}, {0x5A, 0x00, 0x1A}, {0x4F, 0x09, 0x00}, {0x38, 0x1B, 0x00},
{0x1E, 0x31, 0x00}, {0x00, 0x3D, 0x00}, {0x00, 0x41, 0x00}, {0x00, 0x3A, 0x1B},
{0x00, 0x2F, 0x55}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0xAF, 0xAD, 0xAF}, {0x16, 0x4B, 0xCA}, {0x47, 0x2A, 0xE7}, {0x6B, 0x1B, 0xDB},
{0x96, 0x17, 0xB0}, {0x9F, 0x18, 0x5B}, {0x96, 0x30, 0x01}, {0x7B, 0x48, 0x00},
{0x5A, 0x66, 0x00}, {0x23, 0x78, 0x00}, {0x01, 0x7F, 0x00}, {0x00, 0x78, 0x3D},
{0x00, 0x6C, 0x8C}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0xFF, 0xFF, 0xFF}, {0x60, 0xA6, 0xFF}, {0x8F, 0x84, 0xFF}, {0xB4, 0x73, 0xFF},
{0xE2, 0x6C, 0xFF}, {0xF2, 0x68, 0xC3}, {0xEF, 0x7E, 0x61}, {0xD8, 0x95, 0x27},
{0xBA, 0xB3, 0x07}, {0x81, 0xC8, 0x07}, {0x57, 0xD4, 0x3D}, {0x47, 0xCF, 0x7E},
{0x4B, 0xC5, 0xCD}, {0x4C, 0x4B, 0x4D}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0xFF, 0xFF, 0xFF}, {0xC2, 0xE0, 0xFF}, {0xD5, 0xD2, 0xFF}, {0xE3, 0xCB, 0xFF},
{0xF7, 0xC8, 0xFF}, {0xFE, 0xC6, 0xEE}, {0xFE, 0xCE, 0xC6}, {0xF6, 0xD7, 0xAE},
{0xE9, 0xE4, 0x9F}, {0xD3, 0xED, 0x9D}, {0xC0, 0xF2, 0xB2}, {0xB9, 0xF1, 0xCC},
{0xBA, 0xED, 0xED}, {0xBA, 0xB9, 0xBB}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}
};
video.GetPalette().SetMode(Nes::Api::Video::Palette::MODE_CUSTOM);
video.GetPalette().SetCustom(nescap_palette, Nes::Api::Video::Palette::STD_PALETTE);
}
else if ([displayMode isEqualToString:@"Sony CXA2025AS"])
{
static const unsigned char cxa2025as_palette[64][3] =
{
{0x58,0x58,0x58}, {0x00,0x23,0x8C}, {0x00,0x13,0x9B}, {0x2D,0x05,0x85},
{0x5D,0x00,0x52}, {0x7A,0x00,0x17}, {0x7A,0x08,0x00}, {0x5F,0x18,0x00},
{0x35,0x2A,0x00}, {0x09,0x39,0x00}, {0x00,0x3F,0x00}, {0x00,0x3C,0x22},
{0x00,0x32,0x5D}, {0x00,0x00,0x00}, {0x00,0x00,0x00}, {0x00,0x00,0x00},
{0xA1,0xA1,0xA1}, {0x00,0x53,0xEE}, {0x15,0x3C,0xFE}, {0x60,0x28,0xE4},
{0xA9,0x1D,0x98}, {0xD4,0x1E,0x41}, {0xD2,0x2C,0x00}, {0xAA,0x44,0x00},
{0x6C,0x5E,0x00}, {0x2D,0x73,0x00}, {0x00,0x7D,0x06}, {0x00,0x78,0x52},
{0x00,0x69,0xA9}, {0x00,0x00,0x00}, {0x00,0x00,0x00}, {0x00,0x00,0x00},
{0xFF,0xFF,0xFF}, {0x1F,0xA5,0xFE}, {0x5E,0x89,0xFE}, {0xB5,0x72,0xFE},
{0xFE,0x65,0xF6}, {0xFE,0x67,0x90}, {0xFE,0x77,0x3C}, {0xFE,0x93,0x08},
{0xC4,0xB2,0x00}, {0x79,0xCA,0x10}, {0x3A,0xD5,0x4A}, {0x11,0xD1,0xA4},
{0x06,0xBF,0xFE}, {0x42,0x42,0x42}, {0x00,0x00,0x00}, {0x00,0x00,0x00},
{0xFF,0xFF,0xFF}, {0xA0,0xD9,0xFE}, {0xBD,0xCC,0xFE}, {0xE1,0xC2,0xFE},
{0xFE,0xBC,0xFB}, {0xFE,0xBD,0xD0}, {0xFE,0xC5,0xA9}, {0xFE,0xD1,0x8E},
{0xE9,0xDE,0x86}, {0xC7,0xE9,0x92}, {0xA8,0xEE,0xB0}, {0x95,0xEC,0xD9},
{0x91,0xE4,0xFE}, {0xAC,0xAC,0xAC}, {0x00,0x00,0x00}, {0x00,0x00,0x00}
};
video.GetPalette().SetMode(Nes::Api::Video::Palette::MODE_CUSTOM);
video.GetPalette().SetCustom(cxa2025as_palette, Nes::Api::Video::Palette::STD_PALETTE);
}
else if ([displayMode isEqualToString:@"Smooth (FBX)"])
{
static const unsigned char smoothfbx_palette[64][3] =
{
{0x6A, 0x6D, 0x6A}, {0x00, 0x13, 0x80}, {0x1E, 0x00, 0x8A}, {0x39, 0x00, 0x7A},
{0x55, 0x00, 0x56}, {0x5A, 0x00, 0x18}, {0x4F, 0x10, 0x00}, {0x3D, 0x1C, 0x00},
{0x25, 0x32, 0x00}, {0x00, 0x3D, 0x00}, {0x00, 0x40, 0x00}, {0x00, 0x39, 0x24},
{0x00, 0x2E, 0x55}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0xB9, 0xBC, 0xB9}, {0x18, 0x50, 0xC7}, {0x4B, 0x30, 0xE3}, {0x73, 0x22, 0xD6},
{0x95, 0x1F, 0xA9}, {0x9D, 0x28, 0x5C}, {0x98, 0x37, 0x00}, {0x7F, 0x4C, 0x00},
{0x5E, 0x64, 0x00}, {0x22, 0x77, 0x00}, {0x02, 0x7E, 0x02}, {0x00, 0x76, 0x45},
{0x00, 0x6E, 0x8A}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0xFF, 0xFF, 0xFF}, {0x68, 0xA6, 0xFF}, {0x8C, 0x9C, 0xFF}, {0xB5, 0x86, 0xFF},
{0xD9, 0x75, 0xFD}, {0xE3, 0x77, 0xB9}, {0xE5, 0x8D, 0x68}, {0xD4, 0x9D, 0x29},
{0xB3, 0xAF, 0x0C}, {0x7B, 0xC2, 0x11}, {0x55, 0xCA, 0x47}, {0x46, 0xCB, 0x81},
{0x47, 0xC1, 0xC5}, {0x4A, 0x4D, 0x4A}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0xFF, 0xFF, 0xFF}, {0xCC, 0xEA, 0xFF}, {0xDD, 0xDE, 0xFF}, {0xEC, 0xDA, 0xFF},
{0xF8, 0xD7, 0xFE}, {0xFC, 0xD6, 0xF5}, {0xFD, 0xDB, 0xCF}, {0xF9, 0xE7, 0xB5},
{0xF1, 0xF0, 0xAA}, {0xDA, 0xFA, 0xA9}, {0xC9, 0xFF, 0xBC}, {0xC3, 0xFB, 0xD7},
{0xC4, 0xF6, 0xF6}, {0xBE, 0xC1, 0xBE}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}
};
video.GetPalette().SetMode(Nes::Api::Video::Palette::MODE_CUSTOM);
video.GetPalette().SetCustom(smoothfbx_palette, Nes::Api::Video::Palette::STD_PALETTE);
}
else if ([displayMode isEqualToString:@"Wavebeam"])
{
static const unsigned char wavebeam_palette[64][3] =
{
{0x6B, 0x6B, 0x6B}, {0x00, 0x1B, 0x88}, {0x21, 0x00, 0x9A}, {0x40, 0x00, 0x8C},
{0x60, 0x00, 0x67}, {0x64, 0x00, 0x1E}, {0x59, 0x08, 0x00}, {0x48, 0x16, 0x00},
{0x28, 0x36, 0x00}, {0x00, 0x45, 0x00}, {0x00, 0x49, 0x08}, {0x00, 0x42, 0x1D},
{0x00, 0x36, 0x59}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0xB4, 0xB4, 0xB4}, {0x15, 0x55, 0xD3}, {0x43, 0x37, 0xEF}, {0x74, 0x25, 0xDF},
{0x9C, 0x19, 0xB9}, {0xAC, 0x0F, 0x64}, {0xAA, 0x2C, 0x00}, {0x8A, 0x4B, 0x00},
{0x66, 0x6B, 0x00}, {0x21, 0x83, 0x00}, {0x00, 0x8A, 0x00}, {0x00, 0x81, 0x44},
{0x00, 0x76, 0x91}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0xFF, 0xFF, 0xFF}, {0x63, 0xB2, 0xFF}, {0x7C, 0x9C, 0xFF}, {0xC0, 0x7D, 0xFE},
{0xE9, 0x77, 0xFF}, {0xF5, 0x72, 0xCD}, {0xF4, 0x88, 0x6B}, {0xDD, 0xA0, 0x29},
{0xBD, 0xBD, 0x0A}, {0x89, 0xD2, 0x0E}, {0x5C, 0xDE, 0x3E}, {0x4B, 0xD8, 0x86},
{0x4D, 0xCF, 0xD2}, {0x52, 0x52, 0x52}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00},
{0xFF, 0xFF, 0xFF}, {0xBC, 0xDF, 0xFF}, {0xD2, 0xD2, 0xFF}, {0xE1, 0xC8, 0xFF},
{0xEF, 0xC7, 0xFF}, {0xFF, 0xC3, 0xE1}, {0xFF, 0xCA, 0xC6}, {0xF2, 0xDA, 0xAD},
{0xEB, 0xE3, 0xA0}, {0xD2, 0xED, 0xA2}, {0xBC, 0xF4, 0xB4}, {0xB5, 0xF1, 0xCE},
{0xB6, 0xEC, 0xF1}, {0xBF, 0xBF, 0xBF}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}
};
video.GetPalette().SetMode(Nes::Api::Video::Palette::MODE_CUSTOM);
video.GetPalette().SetCustom(wavebeam_palette, Nes::Api::Video::Palette::STD_PALETTE);
}
}
- (void)loadDisplayModeOptions
{
// Restore palette
NSString *lastPalette = self.displayModeInfo[@"palette"];
if (lastPalette && ![lastPalette isEqualToString:@"15° Canonical — Nestopia"]) {
[self changeDisplayWithMode:lastPalette];
}
// Crop horizontal overscan
BOOL isHorizontalOverscanCropped = [self.displayModeInfo[@"cropHorizontalOverscan"] boolValue];
if (isHorizontalOverscanCropped) {
[self changeDisplayWithMode:@"Crop Horizontal"];
}
// Crop vertical overscan
BOOL isVerticalOverscanCropped = [self.displayModeInfo[@"cropVerticalOverscan"] boolValue];
if (isVerticalOverscanCropped) {
[self changeDisplayWithMode:@"Crop Vertical"];
}
}
# pragma mark - Callbacks
// for various file operations, usually called during image file load, power on/off and reset
void NST_CALLBACK doFileIO(void *userData, Nes::Api::User::File &file)
{
GET_CURRENT_OR_RETURN();
NSFileManager *fileManager = NSFileManager.defaultManager;
NSURL *url = current->_romURL;
NSString *extensionlessFilename = url.lastPathComponent.stringByDeletingPathExtension;
NSURL *batterySavesDirectory = [NSURL fileURLWithPath:current.batterySavesDirectoryPath];
[fileManager createDirectoryAtURL:batterySavesDirectory withIntermediateDirectories:YES attributes:nil error:nil];
NSData *theData;
NSURL *saveFileURL;
switch(file.GetAction())
{
case Nes::Api::User::File::LOAD_SAMPLE :
case Nes::Api::User::File::LOAD_ROM :
break;
case Nes::Api::User::File::LOAD_BATTERY : // load in battery data from a file
case Nes::Api::User::File::LOAD_EEPROM : // used by some Bandai games, can be treated the same as battery files
{
saveFileURL = [batterySavesDirectory URLByAppendingPathComponent:[extensionlessFilename stringByAppendingPathExtension:@"sav"]];
if(![saveFileURL checkResourceIsReachableAndReturnError:nil])
{
NSLog(@"[Nestopia] Couldn't find Battery/EEPROM save at: %@", saveFileURL);
return;
}
NSLog(@"[Nestopia] Loading Battery/EEPROM save: %@", saveFileURL);
theData = [NSData dataWithContentsOfURL:saveFileURL];
file.SetContent(theData.bytes, theData.length);
break;
}
case Nes::Api::User::File::SAVE_BATTERY : // save battery data to a file
case Nes::Api::User::File::SAVE_EEPROM : // can be treated the same as battery files
{
NSLog(@"[Nestopia] Saving Battery/EEPROM");
const void *saveData;
unsigned long saveDataSize;
file.GetContent(saveData, saveDataSize);
saveFileURL = [batterySavesDirectory URLByAppendingPathComponent:[extensionlessFilename stringByAppendingPathExtension:@"sav"]];
theData = [NSData dataWithBytes:saveData length:saveDataSize];
[theData writeToURL:saveFileURL atomically:YES];
break;
}
case Nes::Api::User::File::LOAD_FDS:
{
NSLog(@"[Nestopia] Loading FDS save");
saveFileURL = [batterySavesDirectory URLByAppendingPathComponent:[extensionlessFilename stringByAppendingPathExtension:@"sav"]];
std::ifstream in_tmp(saveFileURL.fileSystemRepresentation, std::ifstream::in|std::ifstream::binary);
if (!in_tmp.is_open())
return;
file.SetPatchContent(in_tmp);
break;
}
case Nes::Api::User::File::SAVE_FDS: // for saving modified Famicom Disk System files
{
NSLog(@"[Nestopia] Saving FDS");
saveFileURL = [batterySavesDirectory URLByAppendingPathComponent:[extensionlessFilename stringByAppendingPathExtension:@"sav"]];
std::ofstream out_tmp(saveFileURL.fileSystemRepresentation, std::ifstream::out|std::ifstream::binary);
if (out_tmp.is_open())
file.GetPatchContent(Nes::Api::User::File::PATCH_UPS, out_tmp);
break;
}