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