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/io.h>
12#include <mgba/internal/gb/gb.h>
13#include <mgba/internal/gb/mbc.h>
14#include <mgba/internal/gb/overrides.h>
15#include <mgba/internal/gb/renderers/software.h>
16#include <mgba/internal/gb/renderers/proxy.h>
17#include <mgba/internal/gb/serialize.h>
18#include <mgba/internal/lr35902/lr35902.h>
19#include <mgba/internal/lr35902/debugger/debugger.h>
20#include <mgba-util/crc32.h>
21#include <mgba-util/memory.h>
22#include <mgba-util/patch.h>
23#include <mgba-util/vfs.h>
24
25const static struct mCoreChannelInfo _GBVideoLayers[] = {
26 { 0, "bg", "Background", NULL },
27 { 1, "obj", "Objects", NULL },
28 { 2, "win", "Window", NULL },
29};
30
31const static struct mCoreChannelInfo _GBAudioChannels[] = {
32 { 0, "ch0", "Channel 0", "Square/Sweep" },
33 { 1, "ch1", "Channel 1", "Square" },
34 { 2, "ch2", "Channel 2", "PCM" },
35 { 3, "ch3", "Channel 3", "Noise" },
36};
37
38struct mVideoLogContext;
39struct GBCore {
40 struct mCore d;
41 struct GBVideoSoftwareRenderer renderer;
42 struct GBVideoProxyRenderer proxyRenderer;
43 struct mVideoLogContext* logContext;
44 struct mCoreCallbacks logCallbacks;
45 uint8_t keys;
46 struct mCPUComponent* components[CPU_COMPONENT_MAX];
47 const struct Configuration* overrides;
48 struct mDebuggerPlatform* debuggerPlatform;
49 struct mCheatDevice* cheatDevice;
50};
51
52static bool _GBCoreInit(struct mCore* core) {
53 struct GBCore* gbcore = (struct GBCore*) core;
54
55 struct LR35902Core* cpu = anonymousMemoryMap(sizeof(struct LR35902Core));
56 struct GB* gb = anonymousMemoryMap(sizeof(struct GB));
57 if (!cpu || !gb) {
58 free(cpu);
59 free(gb);
60 return false;
61 }
62 core->cpu = cpu;
63 core->board = gb;
64 gbcore->overrides = NULL;
65 gbcore->debuggerPlatform = NULL;
66 gbcore->cheatDevice = NULL;
67
68 GBCreate(gb);
69 memset(gbcore->components, 0, sizeof(gbcore->components));
70 LR35902SetComponents(cpu, &gb->d, CPU_COMPONENT_MAX, gbcore->components);
71 LR35902Init(cpu);
72 mRTCGenericSourceInit(&core->rtc, core);
73 gb->memory.rtc = &core->rtc.d;
74
75 GBVideoSoftwareRendererCreate(&gbcore->renderer);
76 gbcore->renderer.outputBuffer = NULL;
77
78 gbcore->keys = 0;
79 gb->keySource = &gbcore->keys;
80
81#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
82 mDirectorySetInit(&core->dirs);
83#endif
84
85 return true;
86}
87
88static void _GBCoreDeinit(struct mCore* core) {
89 LR35902Deinit(core->cpu);
90 GBDestroy(core->board);
91 mappedMemoryFree(core->cpu, sizeof(struct LR35902Core));
92 mappedMemoryFree(core->board, sizeof(struct GB));
93#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
94 mDirectorySetDeinit(&core->dirs);
95#endif
96
97 struct GBCore* gbcore = (struct GBCore*) core;
98 free(gbcore->debuggerPlatform);
99 if (gbcore->cheatDevice) {
100 mCheatDeviceDestroy(gbcore->cheatDevice);
101 }
102 free(gbcore->cheatDevice);
103 mCoreConfigFreeOpts(&core->opts);
104 free(core);
105}
106
107static enum mPlatform _GBCorePlatform(const struct mCore* core) {
108 UNUSED(core);
109 return PLATFORM_GB;
110}
111
112static void _GBCoreSetSync(struct mCore* core, struct mCoreSync* sync) {
113 struct GB* gb = core->board;
114 gb->sync = sync;
115}
116
117static void _GBCoreLoadConfig(struct mCore* core, const struct mCoreConfig* config) {
118 UNUSED(config);
119
120 struct GB* gb = core->board;
121 if (core->opts.mute) {
122 gb->audio.masterVolume = 0;
123 } else {
124 gb->audio.masterVolume = core->opts.volume;
125 }
126 gb->video.frameskip = core->opts.frameskip;
127
128 int color;
129 if (mCoreConfigGetIntValue(&core->config, "gb.pal[0]", &color)) {
130 GBVideoSetPalette(&gb->video, 0, color);
131 }
132 if (mCoreConfigGetIntValue(&core->config, "gb.pal[1]", &color)) {
133 GBVideoSetPalette(&gb->video, 1, color);
134 }
135 if (mCoreConfigGetIntValue(&core->config, "gb.pal[2]", &color)) {
136 GBVideoSetPalette(&gb->video, 2, color);
137 }
138 if (mCoreConfigGetIntValue(&core->config, "gb.pal[3]", &color)) {
139 GBVideoSetPalette(&gb->video, 3, color);
140 }
141
142 mCoreConfigCopyValue(&core->config, config, "gb.bios");
143 mCoreConfigCopyValue(&core->config, config, "gbc.bios");
144
145#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
146 struct GBCore* gbcore = (struct GBCore*) core;
147 gbcore->overrides = mCoreConfigGetOverridesConst(config);
148#endif
149}
150
151static void _GBCoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
152 UNUSED(core);
153 *width = GB_VIDEO_HORIZONTAL_PIXELS;
154 *height = GB_VIDEO_VERTICAL_PIXELS;
155}
156
157static void _GBCoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
158 struct GBCore* gbcore = (struct GBCore*) core;
159 gbcore->renderer.outputBuffer = buffer;
160 gbcore->renderer.outputBufferStride = stride;
161}
162
163static void _GBCoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
164 struct GBCore* gbcore = (struct GBCore*) core;
165 gbcore->renderer.d.getPixels(&gbcore->renderer.d, stride, buffer);
166}
167
168static void _GBCorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
169 struct GBCore* gbcore = (struct GBCore*) core;
170 gbcore->renderer.d.putPixels(&gbcore->renderer.d, stride, buffer);
171}
172
173static struct blip_t* _GBCoreGetAudioChannel(struct mCore* core, int ch) {
174 struct GB* gb = core->board;
175 switch (ch) {
176 case 0:
177 return gb->audio.left;
178 case 1:
179 return gb->audio.right;
180 default:
181 return NULL;
182 }
183}
184
185static void _GBCoreSetAudioBufferSize(struct mCore* core, size_t samples) {
186 struct GB* gb = core->board;
187 GBAudioResizeBuffer(&gb->audio, samples);
188}
189
190static size_t _GBCoreGetAudioBufferSize(struct mCore* core) {
191 struct GB* gb = core->board;
192 return gb->audio.samples;
193}
194
195static void _GBCoreAddCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
196 struct GB* gb = core->board;
197 *mCoreCallbacksListAppend(&gb->coreCallbacks) = *coreCallbacks;
198}
199
200static void _GBCoreClearCoreCallbacks(struct mCore* core) {
201 struct GB* gb = core->board;
202 mCoreCallbacksListClear(&gb->coreCallbacks);
203}
204
205static void _GBCoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
206 struct GB* gb = core->board;
207 gb->stream = stream;
208 if (stream && stream->videoDimensionsChanged) {
209 stream->videoDimensionsChanged(stream, GB_VIDEO_HORIZONTAL_PIXELS, GB_VIDEO_VERTICAL_PIXELS);
210 }
211}
212
213static bool _GBCoreLoadROM(struct mCore* core, struct VFile* vf) {
214 return GBLoadROM(core->board, vf);
215}
216
217static bool _GBCoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
218 UNUSED(type);
219 GBLoadBIOS(core->board, vf);
220 return true;
221}
222
223static bool _GBCoreLoadSave(struct mCore* core, struct VFile* vf) {
224 return GBLoadSave(core->board, vf);
225}
226
227static bool _GBCoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
228 struct GB* gb = core->board;
229 GBSavedataMask(gb, vf, false);
230 return true; // TODO: Return a real value
231}
232
233static bool _GBCoreLoadPatch(struct mCore* core, struct VFile* vf) {
234 if (!vf) {
235 return false;
236 }
237 struct Patch patch;
238 if (!loadPatch(vf, &patch)) {
239 return false;
240 }
241 GBApplyPatch(core->board, &patch);
242 return true;
243}
244
245static void _GBCoreUnloadROM(struct mCore* core) {
246 struct GBCore* gbcore = (struct GBCore*) core;
247 struct LR35902Core* cpu = core->cpu;
248 if (gbcore->cheatDevice) {
249 LR35902HotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
250 cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
251 mCheatDeviceDestroy(gbcore->cheatDevice);
252 gbcore->cheatDevice = NULL;
253 }
254 return GBUnloadROM(core->board);
255}
256
257static void _GBCoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
258 struct GB* gb = (struct GB*) core->board;
259 switch (type) {
260 case CHECKSUM_CRC32:
261 memcpy(data, &gb->romCrc32, sizeof(gb->romCrc32));
262 break;
263 }
264 return;
265}
266
267static void _GBCoreReset(struct mCore* core) {
268 struct GBCore* gbcore = (struct GBCore*) core;
269 struct GB* gb = (struct GB*) core->board;
270 if (gbcore->renderer.outputBuffer) {
271 GBVideoAssociateRenderer(&gb->video, &gbcore->renderer.d);
272 }
273
274 if (gb->memory.rom) {
275 struct GBCartridgeOverride override;
276 const struct GBCartridge* cart = (const struct GBCartridge*) &gb->memory.rom[0x100];
277 override.headerCrc32 = doCrc32(cart, sizeof(*cart));
278 if (GBOverrideFind(gbcore->overrides, &override)) {
279 GBOverrideApply(gb, &override);
280 }
281 }
282
283#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
284 if (!gb->biosVf && core->opts.useBios) {
285 struct VFile* bios = NULL;
286 bool found = false;
287 if (core->opts.bios) {
288 bios = VFileOpen(core->opts.bios, O_RDONLY);
289 if (bios && GBIsBIOS(bios)) {
290 found = true;
291 } else if (bios) {
292 bios->close(bios);
293 bios = NULL;
294 }
295 }
296 if (!found) {
297 GBDetectModel(gb);
298 const char* configPath = NULL;
299
300 switch (gb->model) {
301 case GB_MODEL_DMG:
302 case GB_MODEL_SGB: // TODO
303 configPath = mCoreConfigGetValue(&core->config, "gb.bios");
304 break;
305 case GB_MODEL_CGB:
306 case GB_MODEL_AGB:
307 configPath = mCoreConfigGetValue(&core->config, "gbc.bios");
308 break;
309 default:
310 break;
311 };
312 if (configPath) {
313 bios = VFileOpen(configPath, O_RDONLY);
314 }
315 if (bios && GBIsBIOS(bios)) {
316 found = true;
317 } else if (bios) {
318 bios->close(bios);
319 bios = NULL;
320 }
321 }
322 if (!found) {
323 char path[PATH_MAX];
324 mCoreConfigDirectory(path, PATH_MAX);
325 switch (gb->model) {
326 case GB_MODEL_DMG:
327 case GB_MODEL_SGB: // TODO
328 strncat(path, PATH_SEP "gb_bios.bin", PATH_MAX - strlen(path));
329 break;
330 case GB_MODEL_CGB:
331 case GB_MODEL_AGB:
332 strncat(path, PATH_SEP "gbc_bios.bin", PATH_MAX - strlen(path));
333 break;
334 default:
335 break;
336 };
337 bios = VFileOpen(path, O_RDONLY);
338 if (bios && GBIsBIOS(bios)) {
339 found = true;
340 } else if (bios) {
341 bios->close(bios);
342 bios = NULL;
343 }
344 }
345 if (bios) {
346 GBLoadBIOS(gb, bios);
347 }
348 }
349#endif
350
351 LR35902Reset(core->cpu);
352}
353
354static void _GBCoreRunFrame(struct mCore* core) {
355 struct GB* gb = core->board;
356 int32_t frameCounter = gb->video.frameCounter;
357 while (gb->video.frameCounter == frameCounter) {
358 LR35902Run(core->cpu);
359 }
360}
361
362static void _GBCoreRunLoop(struct mCore* core) {
363 LR35902Run(core->cpu);
364}
365
366static void _GBCoreStep(struct mCore* core) {
367 struct LR35902Core* cpu = core->cpu;
368 do {
369 LR35902Tick(cpu);
370 } while (cpu->executionState != LR35902_CORE_FETCH);
371}
372
373static size_t _GBCoreStateSize(struct mCore* core) {
374 UNUSED(core);
375 return sizeof(struct GBSerializedState);
376}
377
378static bool _GBCoreLoadState(struct mCore* core, const void* state) {
379 return GBDeserialize(core->board, state);
380}
381
382static bool _GBCoreSaveState(struct mCore* core, void* state) {
383 struct LR35902Core* cpu = core->cpu;
384 while (cpu->executionState != LR35902_CORE_FETCH) {
385 LR35902Tick(cpu);
386 }
387 GBSerialize(core->board, state);
388 return true;
389}
390
391static void _GBCoreSetKeys(struct mCore* core, uint32_t keys) {
392 struct GBCore* gbcore = (struct GBCore*) core;
393 gbcore->keys = keys;
394}
395
396static void _GBCoreAddKeys(struct mCore* core, uint32_t keys) {
397 struct GBCore* gbcore = (struct GBCore*) core;
398 gbcore->keys |= keys;
399}
400
401static void _GBCoreClearKeys(struct mCore* core, uint32_t keys) {
402 struct GBCore* gbcore = (struct GBCore*) core;
403 gbcore->keys &= ~keys;
404}
405
406static int32_t _GBCoreFrameCounter(const struct mCore* core) {
407 const struct GB* gb = core->board;
408 return gb->video.frameCounter;
409}
410
411static int32_t _GBCoreFrameCycles(const struct mCore* core) {
412 UNUSED(core);
413 return GB_VIDEO_TOTAL_LENGTH;
414}
415
416static int32_t _GBCoreFrequency(const struct mCore* core) {
417 UNUSED(core);
418 // TODO: GB differences
419 return DMG_LR35902_FREQUENCY;
420}
421
422static void _GBCoreGetGameTitle(const struct mCore* core, char* title) {
423 GBGetGameTitle(core->board, title);
424}
425
426static void _GBCoreGetGameCode(const struct mCore* core, char* title) {
427 GBGetGameCode(core->board, title);
428}
429
430static void _GBCoreSetPeripheral(struct mCore* core, int type, void* periph) {
431 struct GB* gb = core->board;
432 switch (type) {
433 case mPERIPH_ROTATION:
434 gb->memory.rotation = periph;
435 break;
436 case mPERIPH_RUMBLE:
437 gb->memory.rumble = periph;
438 break;
439 default:
440 return;
441 }
442}
443
444static uint32_t _GBCoreBusRead8(struct mCore* core, uint32_t address) {
445 struct LR35902Core* cpu = core->cpu;
446 return cpu->memory.load8(cpu, address);
447}
448
449static uint32_t _GBCoreBusRead16(struct mCore* core, uint32_t address) {
450 struct LR35902Core* cpu = core->cpu;
451 return cpu->memory.load8(cpu, address) | (cpu->memory.load8(cpu, address + 1) << 8);
452}
453
454static uint32_t _GBCoreBusRead32(struct mCore* core, uint32_t address) {
455 struct LR35902Core* cpu = core->cpu;
456 return cpu->memory.load8(cpu, address) | (cpu->memory.load8(cpu, address + 1) << 8) |
457 (cpu->memory.load8(cpu, address + 2) << 16) | (cpu->memory.load8(cpu, address + 3) << 24);
458}
459
460static void _GBCoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
461 struct LR35902Core* cpu = core->cpu;
462 cpu->memory.store8(cpu, address, value);
463}
464
465static void _GBCoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
466 struct LR35902Core* cpu = core->cpu;
467 cpu->memory.store8(cpu, address, value);
468 cpu->memory.store8(cpu, address + 1, value >> 8);
469}
470
471static void _GBCoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
472 struct LR35902Core* cpu = core->cpu;
473 cpu->memory.store8(cpu, address, value);
474 cpu->memory.store8(cpu, address + 1, value >> 8);
475 cpu->memory.store8(cpu, address + 2, value >> 16);
476 cpu->memory.store8(cpu, address + 3, value >> 24);
477}
478
479static uint32_t _GBCoreRawRead8(struct mCore* core, uint32_t address, int segment) {
480 struct LR35902Core* cpu = core->cpu;
481 return GBView8(cpu, address, segment);
482}
483
484static uint32_t _GBCoreRawRead16(struct mCore* core, uint32_t address, int segment) {
485 struct LR35902Core* cpu = core->cpu;
486 return GBView8(cpu, address, segment) | (GBView8(cpu, address + 1, segment) << 8);
487}
488
489static uint32_t _GBCoreRawRead32(struct mCore* core, uint32_t address, int segment) {
490 struct LR35902Core* cpu = core->cpu;
491 return GBView8(cpu, address, segment) | (GBView8(cpu, address + 1, segment) << 8) |
492 (GBView8(cpu, address + 2, segment) << 16) | (GBView8(cpu, address + 3, segment) << 24);
493}
494
495static void _GBCoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
496 struct LR35902Core* cpu = core->cpu;
497 GBPatch8(cpu, address, value, NULL, segment);
498}
499
500static void _GBCoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
501 struct LR35902Core* cpu = core->cpu;
502 GBPatch8(cpu, address, value, NULL, segment);
503 GBPatch8(cpu, address + 1, value >> 8, NULL, segment);
504}
505
506static void _GBCoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
507 struct LR35902Core* cpu = core->cpu;
508 GBPatch8(cpu, address, value, NULL, segment);
509 GBPatch8(cpu, address + 1, value >> 8, NULL, segment);
510 GBPatch8(cpu, address + 2, value >> 16, NULL, segment);
511 GBPatch8(cpu, address + 3, value >> 24, NULL, segment);
512}
513
514#ifdef USE_DEBUGGERS
515static bool _GBCoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
516 UNUSED(core);
517 switch (type) {
518 case DEBUGGER_CLI:
519 return true;
520 default:
521 return false;
522 }
523}
524
525static struct mDebuggerPlatform* _GBCoreDebuggerPlatform(struct mCore* core) {
526 struct GBCore* gbcore = (struct GBCore*) core;
527 if (!gbcore->debuggerPlatform) {
528 gbcore->debuggerPlatform = LR35902DebuggerPlatformCreate();
529 }
530 return gbcore->debuggerPlatform;
531}
532
533static struct CLIDebuggerSystem* _GBCoreCliDebuggerSystem(struct mCore* core) {
534 return GBCLIDebuggerCreate(core);
535}
536
537static void _GBCoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
538 struct LR35902Core* cpu = core->cpu;
539 if (core->debugger) {
540 LR35902HotplugDetach(cpu, CPU_COMPONENT_DEBUGGER);
541 }
542 cpu->components[CPU_COMPONENT_DEBUGGER] = &debugger->d;
543 LR35902HotplugAttach(cpu, CPU_COMPONENT_DEBUGGER);
544 core->debugger = debugger;
545}
546
547static void _GBCoreDetachDebugger(struct mCore* core) {
548 struct LR35902Core* cpu = core->cpu;
549 if (core->debugger) {
550 LR35902HotplugDetach(cpu, CPU_COMPONENT_DEBUGGER);
551 }
552 cpu->components[CPU_COMPONENT_DEBUGGER] = NULL;
553 core->debugger = NULL;
554}
555#endif
556
557static struct mCheatDevice* _GBCoreCheatDevice(struct mCore* core) {
558 struct GBCore* gbcore = (struct GBCore*) core;
559 if (!gbcore->cheatDevice) {
560 gbcore->cheatDevice = GBCheatDeviceCreate();
561 ((struct LR35902Core*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbcore->cheatDevice->d;
562 LR35902HotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
563 gbcore->cheatDevice->p = core;
564 }
565 return gbcore->cheatDevice;
566}
567
568static size_t _GBCoreSavedataClone(struct mCore* core, void** sram) {
569 struct GB* gb = core->board;
570 struct VFile* vf = gb->sramVf;
571 if (vf) {
572 *sram = malloc(vf->size(vf));
573 vf->seek(vf, 0, SEEK_SET);
574 return vf->read(vf, *sram, vf->size(vf));
575 }
576 *sram = malloc(gb->sramSize);
577 memcpy(*sram, gb->memory.sram, gb->sramSize);
578 return gb->sramSize;
579}
580
581static bool _GBCoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
582 struct GB* gb = core->board;
583 if (!writeback) {
584 struct VFile* vf = VFileMemChunk(sram, size);
585 GBSavedataMask(gb, vf, true);
586 return true;
587 }
588 struct VFile* vf = gb->sramVf;
589 if (vf) {
590 vf->seek(vf, 0, SEEK_SET);
591 return vf->write(vf, sram, size) > 0;
592 }
593 if (size > 0x20000) {
594 size = 0x20000;
595 }
596 GBResizeSram(gb, size);
597 memcpy(gb->memory.sram, sram, size);
598 return true;
599}
600
601static size_t _GBCoreListVideoLayers(const struct mCore* core, const struct mCoreChannelInfo** info) {
602 UNUSED(core);
603 *info = _GBVideoLayers;
604 return sizeof(_GBVideoLayers) / sizeof(*_GBVideoLayers);
605}
606
607static size_t _GBCoreListAudioChannels(const struct mCore* core, const struct mCoreChannelInfo** info) {
608 UNUSED(core);
609 *info = _GBAudioChannels;
610 return sizeof(_GBAudioChannels) / sizeof(*_GBAudioChannels);
611}
612
613static void _GBCoreEnableVideoLayer(struct mCore* core, size_t id, bool enable) {
614 struct GB* gb = core->board;
615 switch (id) {
616 case 0:
617 gb->video.renderer->disableBG = !enable;
618 break;
619 case 1:
620 gb->video.renderer->disableOBJ = !enable;
621 break;
622 case 2:
623 gb->video.renderer->disableWIN = !enable;
624 break;
625 default:
626 break;
627 }
628}
629
630static void _GBCoreEnableAudioChannel(struct mCore* core, size_t id, bool enable) {
631 struct GB* gb = core->board;
632 switch (id) {
633 case 0:
634 case 1:
635 case 2:
636 case 3:
637 gb->audio.forceDisableCh[id] = !enable;
638 break;
639 default:
640 break;
641 }
642}
643
644static void _GBCoreStartVideoLog(struct mCore* core, struct mVideoLogContext* context) {
645 struct GBCore* gbcore = (struct GBCore*) core;
646 struct GB* gb = core->board;
647 gbcore->logContext = context;
648
649 int channelId = mVideoLoggerAddChannel(context);
650 gbcore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
651 mVideoLoggerRendererCreate(gbcore->proxyRenderer.logger, false);
652 mVideoLoggerAttachChannel(gbcore->proxyRenderer.logger, context, channelId);
653 gbcore->proxyRenderer.logger->block = false;
654
655 GBVideoProxyRendererCreate(&gbcore->proxyRenderer, &gbcore->renderer.d);
656 GBVideoProxyRendererShim(&gb->video, &gbcore->proxyRenderer);
657}
658
659static void _GBCoreEndVideoLog(struct mCore* core) {
660 struct GBCore* gbcore = (struct GBCore*) core;
661 struct GB* gb = core->board;
662 GBVideoProxyRendererUnshim(&gb->video, &gbcore->proxyRenderer);
663 free(gbcore->proxyRenderer.logger);
664 gbcore->proxyRenderer.logger = NULL;
665}
666
667struct mCore* GBCoreCreate(void) {
668 struct GBCore* gbcore = malloc(sizeof(*gbcore));
669 struct mCore* core = &gbcore->d;
670 memset(&core->opts, 0, sizeof(core->opts));
671 core->cpu = NULL;
672 core->board = NULL;
673 core->debugger = NULL;
674 core->init = _GBCoreInit;
675 core->deinit = _GBCoreDeinit;
676 core->platform = _GBCorePlatform;
677 core->setSync = _GBCoreSetSync;
678 core->loadConfig = _GBCoreLoadConfig;
679 core->desiredVideoDimensions = _GBCoreDesiredVideoDimensions;
680 core->setVideoBuffer = _GBCoreSetVideoBuffer;
681 core->getPixels = _GBCoreGetPixels;
682 core->putPixels = _GBCorePutPixels;
683 core->getAudioChannel = _GBCoreGetAudioChannel;
684 core->setAudioBufferSize = _GBCoreSetAudioBufferSize;
685 core->getAudioBufferSize = _GBCoreGetAudioBufferSize;
686 core->setAVStream = _GBCoreSetAVStream;
687 core->addCoreCallbacks = _GBCoreAddCoreCallbacks;
688 core->clearCoreCallbacks = _GBCoreClearCoreCallbacks;
689 core->isROM = GBIsROM;
690 core->loadROM = _GBCoreLoadROM;
691 core->loadBIOS = _GBCoreLoadBIOS;
692 core->loadSave = _GBCoreLoadSave;
693 core->loadTemporarySave = _GBCoreLoadTemporarySave;
694 core->loadPatch = _GBCoreLoadPatch;
695 core->unloadROM = _GBCoreUnloadROM;
696 core->checksum = _GBCoreChecksum;
697 core->reset = _GBCoreReset;
698 core->runFrame = _GBCoreRunFrame;
699 core->runLoop = _GBCoreRunLoop;
700 core->step = _GBCoreStep;
701 core->stateSize = _GBCoreStateSize;
702 core->loadState = _GBCoreLoadState;
703 core->saveState = _GBCoreSaveState;
704 core->setKeys = _GBCoreSetKeys;
705 core->addKeys = _GBCoreAddKeys;
706 core->clearKeys = _GBCoreClearKeys;
707 core->frameCounter = _GBCoreFrameCounter;
708 core->frameCycles = _GBCoreFrameCycles;
709 core->frequency = _GBCoreFrequency;
710 core->getGameTitle = _GBCoreGetGameTitle;
711 core->getGameCode = _GBCoreGetGameCode;
712 core->setPeripheral = _GBCoreSetPeripheral;
713 core->busRead8 = _GBCoreBusRead8;
714 core->busRead16 = _GBCoreBusRead16;
715 core->busRead32 = _GBCoreBusRead32;
716 core->busWrite8 = _GBCoreBusWrite8;
717 core->busWrite16 = _GBCoreBusWrite16;
718 core->busWrite32 = _GBCoreBusWrite32;
719 core->rawRead8 = _GBCoreRawRead8;
720 core->rawRead16 = _GBCoreRawRead16;
721 core->rawRead32 = _GBCoreRawRead32;
722 core->rawWrite8 = _GBCoreRawWrite8;
723 core->rawWrite16 = _GBCoreRawWrite16;
724 core->rawWrite32 = _GBCoreRawWrite32;
725#ifdef USE_DEBUGGERS
726 core->supportsDebuggerType = _GBCoreSupportsDebuggerType;
727 core->debuggerPlatform = _GBCoreDebuggerPlatform;
728 core->cliDebuggerSystem = _GBCoreCliDebuggerSystem;
729 core->attachDebugger = _GBCoreAttachDebugger;
730 core->detachDebugger = _GBCoreDetachDebugger;
731#endif
732 core->cheatDevice = _GBCoreCheatDevice;
733 core->savedataClone = _GBCoreSavedataClone;
734 core->savedataRestore = _GBCoreSavedataRestore;
735 core->listVideoLayers = _GBCoreListVideoLayers;
736 core->listAudioChannels = _GBCoreListAudioChannels;
737 core->enableVideoLayer = _GBCoreEnableVideoLayer;
738 core->enableAudioChannel = _GBCoreEnableAudioChannel;
739#ifndef MINIMAL_CORE
740 core->startVideoLog = _GBCoreStartVideoLog;
741 core->endVideoLog = _GBCoreEndVideoLog;
742#endif
743 return core;
744}
745
746#ifndef MINIMAL_CORE
747static void _GBVLPStartFrameCallback(void *context) {
748 struct mCore* core = context;
749 struct GBCore* gbcore = (struct GBCore*) core;
750 struct GB* gb = core->board;
751
752 if (!mVideoLoggerRendererRun(gbcore->proxyRenderer.logger, true)) {
753 GBVideoProxyRendererUnshim(&gb->video, &gbcore->proxyRenderer);
754 mVideoLogContextRewind(gbcore->logContext, core);
755 GBVideoProxyRendererShim(&gb->video, &gbcore->proxyRenderer);
756 }
757}
758
759static bool _GBVLPInit(struct mCore* core) {
760 struct GBCore* gbcore = (struct GBCore*) core;
761 if (!_GBCoreInit(core)) {
762 return false;
763 }
764 gbcore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
765 mVideoLoggerRendererCreate(gbcore->proxyRenderer.logger, true);
766 GBVideoProxyRendererCreate(&gbcore->proxyRenderer, NULL);
767 memset(&gbcore->logCallbacks, 0, sizeof(gbcore->logCallbacks));
768 gbcore->logCallbacks.videoFrameStarted = _GBVLPStartFrameCallback;
769 gbcore->logCallbacks.context = core;
770 core->addCoreCallbacks(core, &gbcore->logCallbacks);
771 return true;
772}
773
774static void _GBVLPDeinit(struct mCore* core) {
775 struct GBCore* gbcore = (struct GBCore*) core;
776 if (gbcore->logContext) {
777 mVideoLogContextDestroy(core, gbcore->logContext);
778 }
779 _GBCoreDeinit(core);
780}
781
782static void _GBVLPReset(struct mCore* core) {
783 struct GBCore* gbcore = (struct GBCore*) core;
784 struct GB* gb = (struct GB*) core->board;
785 if (gb->video.renderer == &gbcore->proxyRenderer.d) {
786 GBVideoProxyRendererUnshim(&gb->video, &gbcore->proxyRenderer);
787 } else if (gbcore->renderer.outputBuffer) {
788 struct GBVideoRenderer* renderer = &gbcore->renderer.d;
789 GBVideoAssociateRenderer(&gb->video, renderer);
790 }
791
792 LR35902Reset(core->cpu);
793 mVideoLogContextRewind(gbcore->logContext, core);
794 GBVideoProxyRendererShim(&gb->video, &gbcore->proxyRenderer);
795}
796
797static bool _GBVLPLoadROM(struct mCore* core, struct VFile* vf) {
798 struct GBCore* gbcore = (struct GBCore*) core;
799 gbcore->logContext = mVideoLogContextCreate(NULL);
800 if (!mVideoLogContextLoad(gbcore->logContext, vf)) {
801 mVideoLogContextDestroy(core, gbcore->logContext);
802 gbcore->logContext = NULL;
803 return false;
804 }
805 mVideoLoggerAttachChannel(gbcore->proxyRenderer.logger, gbcore->logContext, 0);
806 return true;
807}
808
809static bool _GBVLPLoadState(struct mCore* core, const void* buffer) {
810 struct GB* gb = (struct GB*) core->board;
811 const struct GBSerializedState* state = buffer;
812
813 gb->timing.root = NULL;
814 gb->model = state->model;
815
816 gb->cpu->pc = GB_BASE_HRAM;
817 gb->cpu->memory.setActiveRegion(gb->cpu, gb->cpu->pc);
818
819 GBVideoDeserialize(&gb->video, state);
820 GBIODeserialize(gb, state);
821 GBAudioReset(&gb->audio);
822
823 // Make sure CPU loop never spins
824 GBHalt(gb->cpu);
825 gb->memory.ie = 0;
826 gb->memory.ime = false;
827
828 return true;
829}
830
831static bool _returnTrue(struct VFile* vf) {
832 UNUSED(vf);
833 return true;
834}
835
836struct mCore* GBVideoLogPlayerCreate(void) {
837 struct mCore* core = GBCoreCreate();
838 core->init = _GBVLPInit;
839 core->deinit = _GBVLPDeinit;
840 core->reset = _GBVLPReset;
841 core->loadROM = _GBVLPLoadROM;
842 core->loadState = _GBVLPLoadState;
843 core->isROM = _returnTrue;
844 return core;
845}
846#else
847struct mCore* GBVideoLogPlayerCreate(void) {
848 return false;
849}
850#endif