src/gb/core.c (view raw)
1/* Copyright (c) 2013-2016 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#include <mgba/gb/core.h>
7
8#include <mgba/core/core.h>
9#include <mgba/internal/gb/cheats.h>
10#include <mgba/internal/gb/extra/cli.h>
11#include <mgba/internal/gb/gb.h>
12#include <mgba/internal/gb/mbc.h>
13#include <mgba/internal/gb/overrides.h>
14#include <mgba/internal/gb/renderers/software.h>
15#include <mgba/internal/gb/renderers/proxy.h>
16#include <mgba/internal/gb/serialize.h>
17#include <mgba/internal/lr35902/lr35902.h>
18#include <mgba/internal/lr35902/debugger/debugger.h>
19#include <mgba-util/crc32.h>
20#include <mgba-util/memory.h>
21#include <mgba-util/patch.h>
22#include <mgba-util/vfs.h>
23
24const static struct mCoreChannelInfo _GBVideoLayers[] = {
25 { 0, "bg", "Background", NULL },
26 { 1, "obj", "Objects", NULL },
27 { 2, "win", "Window", NULL },
28};
29
30const static struct mCoreChannelInfo _GBAudioChannels[] = {
31 { 0, "ch0", "Channel 0", "Square/Sweep" },
32 { 1, "ch1", "Channel 1", "Square" },
33 { 2, "ch2", "Channel 2", "PCM" },
34 { 3, "ch3", "Channel 3", "Noise" },
35};
36
37struct mVideoLogContext;
38struct GBCore {
39 struct mCore d;
40 struct GBVideoSoftwareRenderer renderer;
41 struct GBVideoProxyRenderer proxyRenderer;
42 struct mVideoLogContext* logContext;
43 struct mCoreCallbacks logCallbacks;
44 uint8_t keys;
45 struct mCPUComponent* components[CPU_COMPONENT_MAX];
46 const struct Configuration* overrides;
47 struct mDebuggerPlatform* debuggerPlatform;
48 struct mCheatDevice* cheatDevice;
49};
50
51static bool _GBCoreInit(struct mCore* core) {
52 struct GBCore* gbcore = (struct GBCore*) core;
53
54 struct LR35902Core* cpu = anonymousMemoryMap(sizeof(struct LR35902Core));
55 struct GB* gb = anonymousMemoryMap(sizeof(struct GB));
56 if (!cpu || !gb) {
57 free(cpu);
58 free(gb);
59 return false;
60 }
61 core->cpu = cpu;
62 core->board = gb;
63 gbcore->overrides = NULL;
64 gbcore->debuggerPlatform = NULL;
65 gbcore->cheatDevice = NULL;
66
67 GBCreate(gb);
68 memset(gbcore->components, 0, sizeof(gbcore->components));
69 LR35902SetComponents(cpu, &gb->d, CPU_COMPONENT_MAX, gbcore->components);
70 LR35902Init(cpu);
71 mRTCGenericSourceInit(&core->rtc, core);
72 gb->memory.rtc = &core->rtc.d;
73
74 GBVideoSoftwareRendererCreate(&gbcore->renderer);
75 gbcore->renderer.outputBuffer = NULL;
76
77 gbcore->keys = 0;
78 gb->keySource = &gbcore->keys;
79
80#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
81 mDirectorySetInit(&core->dirs);
82#endif
83
84 return true;
85}
86
87static void _GBCoreDeinit(struct mCore* core) {
88 LR35902Deinit(core->cpu);
89 GBDestroy(core->board);
90 mappedMemoryFree(core->cpu, sizeof(struct LR35902Core));
91 mappedMemoryFree(core->board, sizeof(struct GB));
92#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
93 mDirectorySetDeinit(&core->dirs);
94#endif
95
96 struct GBCore* gbcore = (struct GBCore*) core;
97 free(gbcore->debuggerPlatform);
98 if (gbcore->cheatDevice) {
99 mCheatDeviceDestroy(gbcore->cheatDevice);
100 }
101 free(gbcore->cheatDevice);
102 mCoreConfigFreeOpts(&core->opts);
103 free(core);
104}
105
106static enum mPlatform _GBCorePlatform(const struct mCore* core) {
107 UNUSED(core);
108 return PLATFORM_GB;
109}
110
111static void _GBCoreSetSync(struct mCore* core, struct mCoreSync* sync) {
112 struct GB* gb = core->board;
113 gb->sync = sync;
114}
115
116static void _GBCoreLoadConfig(struct mCore* core, const struct mCoreConfig* config) {
117 UNUSED(config);
118
119 struct GB* gb = core->board;
120 if (core->opts.mute) {
121 gb->audio.masterVolume = 0;
122 } else {
123 gb->audio.masterVolume = core->opts.volume;
124 }
125 gb->video.frameskip = core->opts.frameskip;
126
127 int color;
128 if (mCoreConfigGetIntValue(&core->config, "gb.pal[0]", &color)) {
129 GBVideoSetPalette(&gb->video, 0, color);
130 }
131 if (mCoreConfigGetIntValue(&core->config, "gb.pal[1]", &color)) {
132 GBVideoSetPalette(&gb->video, 1, color);
133 }
134 if (mCoreConfigGetIntValue(&core->config, "gb.pal[2]", &color)) {
135 GBVideoSetPalette(&gb->video, 2, color);
136 }
137 if (mCoreConfigGetIntValue(&core->config, "gb.pal[3]", &color)) {
138 GBVideoSetPalette(&gb->video, 3, color);
139 }
140
141 mCoreConfigCopyValue(&core->config, config, "gb.bios");
142 mCoreConfigCopyValue(&core->config, config, "gbc.bios");
143
144#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
145 struct GBCore* gbcore = (struct GBCore*) core;
146 gbcore->overrides = mCoreConfigGetOverridesConst(config);
147#endif
148}
149
150static void _GBCoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
151 UNUSED(core);
152 *width = GB_VIDEO_HORIZONTAL_PIXELS;
153 *height = GB_VIDEO_VERTICAL_PIXELS;
154}
155
156static void _GBCoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
157 struct GBCore* gbcore = (struct GBCore*) core;
158 gbcore->renderer.outputBuffer = buffer;
159 gbcore->renderer.outputBufferStride = stride;
160}
161
162static void _GBCoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
163 struct GBCore* gbcore = (struct GBCore*) core;
164 gbcore->renderer.d.getPixels(&gbcore->renderer.d, stride, buffer);
165}
166
167static void _GBCorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
168 struct GBCore* gbcore = (struct GBCore*) core;
169 gbcore->renderer.d.putPixels(&gbcore->renderer.d, stride, buffer);
170}
171
172static struct blip_t* _GBCoreGetAudioChannel(struct mCore* core, int ch) {
173 struct GB* gb = core->board;
174 switch (ch) {
175 case 0:
176 return gb->audio.left;
177 case 1:
178 return gb->audio.right;
179 default:
180 return NULL;
181 }
182}
183
184static void _GBCoreSetAudioBufferSize(struct mCore* core, size_t samples) {
185 struct GB* gb = core->board;
186 GBAudioResizeBuffer(&gb->audio, samples);
187}
188
189static size_t _GBCoreGetAudioBufferSize(struct mCore* core) {
190 struct GB* gb = core->board;
191 return gb->audio.samples;
192}
193
194static void _GBCoreAddCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
195 struct GB* gb = core->board;
196 *mCoreCallbacksListAppend(&gb->coreCallbacks) = *coreCallbacks;
197}
198
199static void _GBCoreClearCoreCallbacks(struct mCore* core) {
200 struct GB* gb = core->board;
201 mCoreCallbacksListClear(&gb->coreCallbacks);
202}
203
204static void _GBCoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
205 struct GB* gb = core->board;
206 gb->stream = stream;
207 if (stream && stream->videoDimensionsChanged) {
208 stream->videoDimensionsChanged(stream, GB_VIDEO_HORIZONTAL_PIXELS, GB_VIDEO_VERTICAL_PIXELS);
209 }
210}
211
212static bool _GBCoreLoadROM(struct mCore* core, struct VFile* vf) {
213 return GBLoadROM(core->board, vf);
214}
215
216static bool _GBCoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
217 UNUSED(type);
218 GBLoadBIOS(core->board, vf);
219 return true;
220}
221
222static bool _GBCoreLoadSave(struct mCore* core, struct VFile* vf) {
223 return GBLoadSave(core->board, vf);
224}
225
226static bool _GBCoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
227 struct GB* gb = core->board;
228 GBSavedataMask(gb, vf, false);
229 return true; // TODO: Return a real value
230}
231
232static bool _GBCoreLoadPatch(struct mCore* core, struct VFile* vf) {
233 if (!vf) {
234 return false;
235 }
236 struct Patch patch;
237 if (!loadPatch(vf, &patch)) {
238 return false;
239 }
240 GBApplyPatch(core->board, &patch);
241 return true;
242}
243
244static void _GBCoreUnloadROM(struct mCore* core) {
245 struct GBCore* gbcore = (struct GBCore*) core;
246 struct LR35902Core* cpu = core->cpu;
247 if (gbcore->cheatDevice) {
248 LR35902HotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
249 cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
250 mCheatDeviceDestroy(gbcore->cheatDevice);
251 gbcore->cheatDevice = NULL;
252 }
253 return GBUnloadROM(core->board);
254}
255
256static void _GBCoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
257 struct GB* gb = (struct GB*) core->board;
258 switch (type) {
259 case CHECKSUM_CRC32:
260 memcpy(data, &gb->romCrc32, sizeof(gb->romCrc32));
261 break;
262 }
263 return;
264}
265
266static void _GBCoreReset(struct mCore* core) {
267 struct GBCore* gbcore = (struct GBCore*) core;
268 struct GB* gb = (struct GB*) core->board;
269 if (gbcore->renderer.outputBuffer) {
270 GBVideoAssociateRenderer(&gb->video, &gbcore->renderer.d);
271 }
272
273 if (gb->memory.rom) {
274 struct GBCartridgeOverride override;
275 const struct GBCartridge* cart = (const struct GBCartridge*) &gb->memory.rom[0x100];
276 override.headerCrc32 = doCrc32(cart, sizeof(*cart));
277 if (GBOverrideFind(gbcore->overrides, &override)) {
278 GBOverrideApply(gb, &override);
279 }
280 }
281
282#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
283 if (!gb->biosVf && core->opts.useBios) {
284 struct VFile* bios = NULL;
285 bool found = false;
286 if (core->opts.bios) {
287 bios = VFileOpen(core->opts.bios, O_RDONLY);
288 if (bios && GBIsBIOS(bios)) {
289 found = true;
290 } else if (bios) {
291 bios->close(bios);
292 bios = NULL;
293 }
294 }
295 if (!found) {
296 GBDetectModel(gb);
297 const char* configPath = NULL;
298
299 switch (gb->model) {
300 case GB_MODEL_DMG:
301 case GB_MODEL_SGB: // TODO
302 configPath = mCoreConfigGetValue(&core->config, "gb.bios");
303 break;
304 case GB_MODEL_CGB:
305 case GB_MODEL_AGB:
306 configPath = mCoreConfigGetValue(&core->config, "gbc.bios");
307 break;
308 default:
309 break;
310 };
311 if (configPath) {
312 bios = VFileOpen(configPath, O_RDONLY);
313 }
314 if (bios && GBIsBIOS(bios)) {
315 found = true;
316 } else if (bios) {
317 bios->close(bios);
318 bios = NULL;
319 }
320 }
321 if (!found) {
322 char path[PATH_MAX];
323 mCoreConfigDirectory(path, PATH_MAX);
324 switch (gb->model) {
325 case GB_MODEL_DMG:
326 case GB_MODEL_SGB: // TODO
327 strncat(path, PATH_SEP "gb_bios.bin", PATH_MAX - strlen(path));
328 break;
329 case GB_MODEL_CGB:
330 case GB_MODEL_AGB:
331 strncat(path, PATH_SEP "gbc_bios.bin", PATH_MAX - strlen(path));
332 break;
333 default:
334 break;
335 };
336 bios = VFileOpen(path, O_RDONLY);
337 if (bios && GBIsBIOS(bios)) {
338 found = true;
339 } else if (bios) {
340 bios->close(bios);
341 bios = NULL;
342 }
343 }
344 if (bios) {
345 GBLoadBIOS(gb, bios);
346 }
347 }
348#endif
349
350 LR35902Reset(core->cpu);
351}
352
353static void _GBCoreRunFrame(struct mCore* core) {
354 struct GB* gb = core->board;
355 int32_t frameCounter = gb->video.frameCounter;
356 while (gb->video.frameCounter == frameCounter) {
357 LR35902Run(core->cpu);
358 }
359}
360
361static void _GBCoreRunLoop(struct mCore* core) {
362 LR35902Run(core->cpu);
363}
364
365static void _GBCoreStep(struct mCore* core) {
366 struct LR35902Core* cpu = core->cpu;
367 do {
368 LR35902Tick(cpu);
369 } while (cpu->executionState != LR35902_CORE_FETCH);
370}
371
372static size_t _GBCoreStateSize(struct mCore* core) {
373 UNUSED(core);
374 return sizeof(struct GBSerializedState);
375}
376
377static bool _GBCoreLoadState(struct mCore* core, const void* state) {
378 return GBDeserialize(core->board, state);
379}
380
381static bool _GBCoreSaveState(struct mCore* core, void* state) {
382 struct LR35902Core* cpu = core->cpu;
383 while (cpu->executionState != LR35902_CORE_FETCH) {
384 LR35902Tick(cpu);
385 }
386 GBSerialize(core->board, state);
387 return true;
388}
389
390static void _GBCoreSetKeys(struct mCore* core, uint32_t keys) {
391 struct GBCore* gbcore = (struct GBCore*) core;
392 gbcore->keys = keys;
393}
394
395static void _GBCoreAddKeys(struct mCore* core, uint32_t keys) {
396 struct GBCore* gbcore = (struct GBCore*) core;
397 gbcore->keys |= keys;
398}
399
400static void _GBCoreClearKeys(struct mCore* core, uint32_t keys) {
401 struct GBCore* gbcore = (struct GBCore*) core;
402 gbcore->keys &= ~keys;
403}
404
405static int32_t _GBCoreFrameCounter(const struct mCore* core) {
406 const struct GB* gb = core->board;
407 return gb->video.frameCounter;
408}
409
410static int32_t _GBCoreFrameCycles(const struct mCore* core) {
411 UNUSED(core);
412 return GB_VIDEO_TOTAL_LENGTH;
413}
414
415static int32_t _GBCoreFrequency(const struct mCore* core) {
416 UNUSED(core);
417 // TODO: GB differences
418 return DMG_LR35902_FREQUENCY;
419}
420
421static void _GBCoreGetGameTitle(const struct mCore* core, char* title) {
422 GBGetGameTitle(core->board, title);
423}
424
425static void _GBCoreGetGameCode(const struct mCore* core, char* title) {
426 GBGetGameCode(core->board, title);
427}
428
429static void _GBCoreSetPeripheral(struct mCore* core, int type, void* periph) {
430 struct GB* gb = core->board;
431 switch (type) {
432 case mPERIPH_ROTATION:
433 gb->memory.rotation = periph;
434 break;
435 case mPERIPH_RUMBLE:
436 gb->memory.rumble = periph;
437 break;
438 default:
439 return;
440 }
441}
442
443static uint32_t _GBCoreBusRead8(struct mCore* core, uint32_t address) {
444 struct LR35902Core* cpu = core->cpu;
445 return cpu->memory.load8(cpu, address);
446}
447
448static uint32_t _GBCoreBusRead16(struct mCore* core, uint32_t address) {
449 struct LR35902Core* cpu = core->cpu;
450 return cpu->memory.load8(cpu, address) | (cpu->memory.load8(cpu, address + 1) << 8);
451}
452
453static uint32_t _GBCoreBusRead32(struct mCore* core, uint32_t address) {
454 struct LR35902Core* cpu = core->cpu;
455 return cpu->memory.load8(cpu, address) | (cpu->memory.load8(cpu, address + 1) << 8) |
456 (cpu->memory.load8(cpu, address + 2) << 16) | (cpu->memory.load8(cpu, address + 3) << 24);
457}
458
459static void _GBCoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
460 struct LR35902Core* cpu = core->cpu;
461 cpu->memory.store8(cpu, address, value);
462}
463
464static void _GBCoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
465 struct LR35902Core* cpu = core->cpu;
466 cpu->memory.store8(cpu, address, value);
467 cpu->memory.store8(cpu, address + 1, value >> 8);
468}
469
470static void _GBCoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
471 struct LR35902Core* cpu = core->cpu;
472 cpu->memory.store8(cpu, address, value);
473 cpu->memory.store8(cpu, address + 1, value >> 8);
474 cpu->memory.store8(cpu, address + 2, value >> 16);
475 cpu->memory.store8(cpu, address + 3, value >> 24);
476}
477
478static uint32_t _GBCoreRawRead8(struct mCore* core, uint32_t address, int segment) {
479 struct LR35902Core* cpu = core->cpu;
480 return GBView8(cpu, address, segment);
481}
482
483static uint32_t _GBCoreRawRead16(struct mCore* core, uint32_t address, int segment) {
484 struct LR35902Core* cpu = core->cpu;
485 return GBView8(cpu, address, segment) | (GBView8(cpu, address + 1, segment) << 8);
486}
487
488static uint32_t _GBCoreRawRead32(struct mCore* core, uint32_t address, int segment) {
489 struct LR35902Core* cpu = core->cpu;
490 return GBView8(cpu, address, segment) | (GBView8(cpu, address + 1, segment) << 8) |
491 (GBView8(cpu, address + 2, segment) << 16) | (GBView8(cpu, address + 3, segment) << 24);
492}
493
494static void _GBCoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
495 struct LR35902Core* cpu = core->cpu;
496 GBPatch8(cpu, address, value, NULL, segment);
497}
498
499static void _GBCoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
500 struct LR35902Core* cpu = core->cpu;
501 GBPatch8(cpu, address, value, NULL, segment);
502 GBPatch8(cpu, address + 1, value >> 8, NULL, segment);
503}
504
505static void _GBCoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
506 struct LR35902Core* cpu = core->cpu;
507 GBPatch8(cpu, address, value, NULL, segment);
508 GBPatch8(cpu, address + 1, value >> 8, NULL, segment);
509 GBPatch8(cpu, address + 2, value >> 16, NULL, segment);
510 GBPatch8(cpu, address + 3, value >> 24, NULL, segment);
511}
512
513#ifdef USE_DEBUGGERS
514static bool _GBCoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
515 UNUSED(core);
516 switch (type) {
517 case DEBUGGER_CLI:
518 return true;
519 default:
520 return false;
521 }
522}
523
524static struct mDebuggerPlatform* _GBCoreDebuggerPlatform(struct mCore* core) {
525 struct GBCore* gbcore = (struct GBCore*) core;
526 if (!gbcore->debuggerPlatform) {
527 gbcore->debuggerPlatform = LR35902DebuggerPlatformCreate();
528 }
529 return gbcore->debuggerPlatform;
530}
531
532static struct CLIDebuggerSystem* _GBCoreCliDebuggerSystem(struct mCore* core) {
533 return GBCLIDebuggerCreate(core);
534}
535
536static void _GBCoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
537 struct LR35902Core* cpu = core->cpu;
538 if (core->debugger) {
539 LR35902HotplugDetach(cpu, CPU_COMPONENT_DEBUGGER);
540 }
541 cpu->components[CPU_COMPONENT_DEBUGGER] = &debugger->d;
542 LR35902HotplugAttach(cpu, CPU_COMPONENT_DEBUGGER);
543 core->debugger = debugger;
544}
545
546static void _GBCoreDetachDebugger(struct mCore* core) {
547 struct LR35902Core* cpu = core->cpu;
548 if (core->debugger) {
549 LR35902HotplugDetach(cpu, CPU_COMPONENT_DEBUGGER);
550 }
551 cpu->components[CPU_COMPONENT_DEBUGGER] = NULL;
552 core->debugger = NULL;
553}
554#endif
555
556static struct mCheatDevice* _GBCoreCheatDevice(struct mCore* core) {
557 struct GBCore* gbcore = (struct GBCore*) core;
558 if (!gbcore->cheatDevice) {
559 gbcore->cheatDevice = GBCheatDeviceCreate();
560 ((struct LR35902Core*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbcore->cheatDevice->d;
561 LR35902HotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
562 gbcore->cheatDevice->p = core;
563 }
564 return gbcore->cheatDevice;
565}
566
567static size_t _GBCoreSavedataClone(struct mCore* core, void** sram) {
568 struct GB* gb = core->board;
569 struct VFile* vf = gb->sramVf;
570 if (vf) {
571 *sram = malloc(vf->size(vf));
572 vf->seek(vf, 0, SEEK_SET);
573 return vf->read(vf, *sram, vf->size(vf));
574 }
575 *sram = malloc(gb->sramSize);
576 memcpy(*sram, gb->memory.sram, gb->sramSize);
577 return gb->sramSize;
578}
579
580static bool _GBCoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
581 struct GB* gb = core->board;
582 if (!writeback) {
583 struct VFile* vf = VFileMemChunk(sram, size);
584 GBSavedataMask(gb, vf, true);
585 return true;
586 }
587 struct VFile* vf = gb->sramVf;
588 if (vf) {
589 vf->seek(vf, 0, SEEK_SET);
590 return vf->write(vf, sram, size) > 0;
591 }
592 if (size > 0x20000) {
593 size = 0x20000;
594 }
595 GBResizeSram(gb, size);
596 memcpy(gb->memory.sram, sram, size);
597 return true;
598}
599
600static size_t _GBCoreListVideoLayers(const struct mCore* core, const struct mCoreChannelInfo** info) {
601 UNUSED(core);
602 *info = _GBVideoLayers;
603 return sizeof(_GBVideoLayers) / sizeof(*_GBVideoLayers);
604}
605
606static size_t _GBCoreListAudioChannels(const struct mCore* core, const struct mCoreChannelInfo** info) {
607 UNUSED(core);
608 *info = _GBAudioChannels;
609 return sizeof(_GBAudioChannels) / sizeof(*_GBAudioChannels);
610}
611
612static void _GBCoreEnableVideoLayer(struct mCore* core, size_t id, bool enable) {
613 struct GB* gb = core->board;
614 switch (id) {
615 case 0:
616 gb->video.renderer->disableBG = !enable;
617 break;
618 case 1:
619 gb->video.renderer->disableOBJ = !enable;
620 break;
621 case 2:
622 gb->video.renderer->disableWIN = !enable;
623 break;
624 default:
625 break;
626 }
627}
628
629static void _GBCoreEnableAudioChannel(struct mCore* core, size_t id, bool enable) {
630 struct GB* gb = core->board;
631 switch (id) {
632 case 0:
633 case 1:
634 case 2:
635 case 3:
636 gb->audio.forceDisableCh[id] = !enable;
637 break;
638 default:
639 break;
640 }
641}
642
643static void _GBCoreStartVideoLog(struct mCore* core, struct mVideoLogContext* context) {
644 struct GBCore* gbcore = (struct GBCore*) core;
645 struct GB* gb = core->board;
646 gbcore->logContext = context;
647
648 int channelId = mVideoLoggerAddChannel(context);
649 gbcore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
650 mVideoLoggerRendererCreate(gbcore->proxyRenderer.logger, false);
651 mVideoLoggerAttachChannel(gbcore->proxyRenderer.logger, context, channelId);
652 gbcore->proxyRenderer.logger->block = false;
653
654 GBVideoProxyRendererCreate(&gbcore->proxyRenderer, &gbcore->renderer.d);
655 GBVideoProxyRendererShim(&gb->video, &gbcore->proxyRenderer);
656}
657
658static void _GBCoreEndVideoLog(struct mCore* core) {
659 struct GBCore* gbcore = (struct GBCore*) core;
660 struct GB* gb = core->board;
661 GBVideoProxyRendererUnshim(&gb->video, &gbcore->proxyRenderer);
662 free(gbcore->proxyRenderer.logger);
663 gbcore->proxyRenderer.logger = NULL;
664}
665
666struct mCore* GBCoreCreate(void) {
667 struct GBCore* gbcore = malloc(sizeof(*gbcore));
668 struct mCore* core = &gbcore->d;
669 memset(&core->opts, 0, sizeof(core->opts));
670 core->cpu = NULL;
671 core->board = NULL;
672 core->debugger = NULL;
673 core->init = _GBCoreInit;
674 core->deinit = _GBCoreDeinit;
675 core->platform = _GBCorePlatform;
676 core->setSync = _GBCoreSetSync;
677 core->loadConfig = _GBCoreLoadConfig;
678 core->desiredVideoDimensions = _GBCoreDesiredVideoDimensions;
679 core->setVideoBuffer = _GBCoreSetVideoBuffer;
680 core->getPixels = _GBCoreGetPixels;
681 core->putPixels = _GBCorePutPixels;
682 core->getAudioChannel = _GBCoreGetAudioChannel;
683 core->setAudioBufferSize = _GBCoreSetAudioBufferSize;
684 core->getAudioBufferSize = _GBCoreGetAudioBufferSize;
685 core->setAVStream = _GBCoreSetAVStream;
686 core->addCoreCallbacks = _GBCoreAddCoreCallbacks;
687 core->clearCoreCallbacks = _GBCoreClearCoreCallbacks;
688 core->isROM = GBIsROM;
689 core->loadROM = _GBCoreLoadROM;
690 core->loadBIOS = _GBCoreLoadBIOS;
691 core->loadSave = _GBCoreLoadSave;
692 core->loadTemporarySave = _GBCoreLoadTemporarySave;
693 core->loadPatch = _GBCoreLoadPatch;
694 core->unloadROM = _GBCoreUnloadROM;
695 core->checksum = _GBCoreChecksum;
696 core->reset = _GBCoreReset;
697 core->runFrame = _GBCoreRunFrame;
698 core->runLoop = _GBCoreRunLoop;
699 core->step = _GBCoreStep;
700 core->stateSize = _GBCoreStateSize;
701 core->loadState = _GBCoreLoadState;
702 core->saveState = _GBCoreSaveState;
703 core->setKeys = _GBCoreSetKeys;
704 core->addKeys = _GBCoreAddKeys;
705 core->clearKeys = _GBCoreClearKeys;
706 core->frameCounter = _GBCoreFrameCounter;
707 core->frameCycles = _GBCoreFrameCycles;
708 core->frequency = _GBCoreFrequency;
709 core->getGameTitle = _GBCoreGetGameTitle;
710 core->getGameCode = _GBCoreGetGameCode;
711 core->setPeripheral = _GBCoreSetPeripheral;
712 core->busRead8 = _GBCoreBusRead8;
713 core->busRead16 = _GBCoreBusRead16;
714 core->busRead32 = _GBCoreBusRead32;
715 core->busWrite8 = _GBCoreBusWrite8;
716 core->busWrite16 = _GBCoreBusWrite16;
717 core->busWrite32 = _GBCoreBusWrite32;
718 core->rawRead8 = _GBCoreRawRead8;
719 core->rawRead16 = _GBCoreRawRead16;
720 core->rawRead32 = _GBCoreRawRead32;
721 core->rawWrite8 = _GBCoreRawWrite8;
722 core->rawWrite16 = _GBCoreRawWrite16;
723 core->rawWrite32 = _GBCoreRawWrite32;
724#ifdef USE_DEBUGGERS
725 core->supportsDebuggerType = _GBCoreSupportsDebuggerType;
726 core->debuggerPlatform = _GBCoreDebuggerPlatform;
727 core->cliDebuggerSystem = _GBCoreCliDebuggerSystem;
728 core->attachDebugger = _GBCoreAttachDebugger;
729 core->detachDebugger = _GBCoreDetachDebugger;
730#endif
731 core->cheatDevice = _GBCoreCheatDevice;
732 core->savedataClone = _GBCoreSavedataClone;
733 core->savedataRestore = _GBCoreSavedataRestore;
734 core->listVideoLayers = _GBCoreListVideoLayers;
735 core->listAudioChannels = _GBCoreListAudioChannels;
736 core->enableVideoLayer = _GBCoreEnableVideoLayer;
737 core->enableAudioChannel = _GBCoreEnableAudioChannel;
738#ifndef MINIMAL_CORE
739 core->startVideoLog = _GBCoreStartVideoLog;
740 core->endVideoLog = _GBCoreEndVideoLog;
741#endif
742 return core;
743}
744
745#ifndef MINIMAL_CORE
746static void _GBVLPStartFrameCallback(void *context) {
747 struct mCore* core = context;
748 struct GBCore* gbcore = (struct GBCore*) core;
749 struct GB* gb = core->board;
750
751 if (!mVideoLoggerRendererRun(gbcore->proxyRenderer.logger, true)) {
752 GBVideoProxyRendererUnshim(&gb->video, &gbcore->proxyRenderer);
753 mVideoLogContextRewind(gbcore->logContext, core);
754 GBVideoProxyRendererShim(&gb->video, &gbcore->proxyRenderer);
755
756 // Make sure CPU loop never spins
757 GBHalt(gb->cpu);
758 gb->memory.ie = 0;
759 gb->memory.ime = false;
760 }
761}
762
763static bool _GBVLPInit(struct mCore* core) {
764 struct GBCore* gbcore = (struct GBCore*) core;
765 if (!_GBCoreInit(core)) {
766 return false;
767 }
768 gbcore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
769 mVideoLoggerRendererCreate(gbcore->proxyRenderer.logger, true);
770 GBVideoProxyRendererCreate(&gbcore->proxyRenderer, NULL);
771 memset(&gbcore->logCallbacks, 0, sizeof(gbcore->logCallbacks));
772 gbcore->logCallbacks.videoFrameStarted = _GBVLPStartFrameCallback;
773 gbcore->logCallbacks.context = core;
774 core->addCoreCallbacks(core, &gbcore->logCallbacks);
775 return true;
776}
777
778static void _GBVLPDeinit(struct mCore* core) {
779 struct GBCore* gbcore = (struct GBCore*) core;
780 if (gbcore->logContext) {
781 mVideoLogContextDestroy(core, gbcore->logContext);
782 }
783 _GBCoreDeinit(core);
784}
785
786static void _GBVLPReset(struct mCore* core) {
787 struct GBCore* gbcore = (struct GBCore*) core;
788 struct GB* gb = (struct GB*) core->board;
789 if (gb->video.renderer == &gbcore->proxyRenderer.d) {
790 GBVideoProxyRendererUnshim(&gb->video, &gbcore->proxyRenderer);
791 } else if (gbcore->renderer.outputBuffer) {
792 struct GBVideoRenderer* renderer = &gbcore->renderer.d;
793 GBVideoAssociateRenderer(&gb->video, renderer);
794 }
795
796 LR35902Reset(core->cpu);
797 mVideoLogContextRewind(gbcore->logContext, core);
798 GBVideoProxyRendererShim(&gb->video, &gbcore->proxyRenderer);
799
800 // Make sure CPU loop never spins
801 GBHalt(gb->cpu);
802 gb->memory.ie = 0;
803 gb->memory.ime = false;
804}
805
806static bool _GBVLPLoadROM(struct mCore* core, struct VFile* vf) {
807 struct GBCore* gbcore = (struct GBCore*) core;
808 gbcore->logContext = mVideoLogContextCreate(NULL);
809 if (!mVideoLogContextLoad(gbcore->logContext, vf)) {
810 mVideoLogContextDestroy(core, gbcore->logContext);
811 gbcore->logContext = NULL;
812 return false;
813 }
814 mVideoLoggerAttachChannel(gbcore->proxyRenderer.logger, gbcore->logContext, 0);
815 return true;
816}
817
818static bool _returnTrue(struct VFile* vf) {
819 UNUSED(vf);
820 return true;
821}
822
823struct mCore* GBVideoLogPlayerCreate(void) {
824 struct mCore* core = GBCoreCreate();
825 core->init = _GBVLPInit;
826 core->deinit = _GBVLPDeinit;
827 core->reset = _GBVLPReset;
828 core->loadROM = _GBVLPLoadROM;
829 core->isROM = _returnTrue;
830 return core;
831}
832#else
833struct mCore* GBVideoLogPlayerCreate(void) {
834 return false;
835}
836#endif