all repos — mgba @ 908b0a425ec5e33391b47ac674e7cef9de01e8bc

mGBA Game Boy Advance Emulator

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/serialize.h>
 16#include <mgba/internal/lr35902/lr35902.h>
 17#include <mgba/internal/lr35902/debugger/debugger.h>
 18#include <mgba-util/crc32.h>
 19#include <mgba-util/memory.h>
 20#include <mgba-util/patch.h>
 21#include <mgba-util/vfs.h>
 22
 23#ifndef MINIMAL_CORE
 24#include <mgba/internal/gba/input.h>
 25#endif
 26
 27struct GBCore {
 28	struct mCore d;
 29	struct GBVideoSoftwareRenderer renderer;
 30	uint8_t keys;
 31	struct mCPUComponent* components[CPU_COMPONENT_MAX];
 32	const struct Configuration* overrides;
 33	struct mDebuggerPlatform* debuggerPlatform;
 34	struct mCheatDevice* cheatDevice;
 35};
 36
 37static bool _GBCoreInit(struct mCore* core) {
 38	struct GBCore* gbcore = (struct GBCore*) core;
 39
 40	struct LR35902Core* cpu = anonymousMemoryMap(sizeof(struct LR35902Core));
 41	struct GB* gb = anonymousMemoryMap(sizeof(struct GB));
 42	if (!cpu || !gb) {
 43		free(cpu);
 44		free(gb);
 45		return false;
 46	}
 47	core->cpu = cpu;
 48	core->board = gb;
 49	gbcore->overrides = NULL;
 50	gbcore->debuggerPlatform = NULL;
 51	gbcore->cheatDevice = NULL;
 52
 53	GBCreate(gb);
 54	memset(gbcore->components, 0, sizeof(gbcore->components));
 55	LR35902SetComponents(cpu, &gb->d, CPU_COMPONENT_MAX, gbcore->components);
 56	LR35902Init(cpu);
 57
 58	GBVideoSoftwareRendererCreate(&gbcore->renderer);
 59	gbcore->renderer.outputBuffer = NULL;
 60
 61	gbcore->keys = 0;
 62	gb->keySource = &gbcore->keys;
 63
 64#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
 65	mDirectorySetInit(&core->dirs);
 66#endif
 67
 68#ifndef MINIMAL_CORE
 69	core->inputInfo = &GBAInputInfo; // TODO: GBInputInfo
 70#endif
 71
 72	return true;
 73}
 74
 75static void _GBCoreDeinit(struct mCore* core) {
 76	LR35902Deinit(core->cpu);
 77	GBDestroy(core->board);
 78	mappedMemoryFree(core->cpu, sizeof(struct LR35902Core));
 79	mappedMemoryFree(core->board, sizeof(struct GB));
 80#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
 81	mDirectorySetDeinit(&core->dirs);
 82#endif
 83
 84	struct GBCore* gbcore = (struct GBCore*) core;
 85	free(gbcore->debuggerPlatform);
 86	if (gbcore->cheatDevice) {
 87		mCheatDeviceDestroy(gbcore->cheatDevice);
 88	}
 89	free(gbcore->cheatDevice);
 90	mCoreConfigFreeOpts(&core->opts);
 91	free(core);
 92}
 93
 94static enum mPlatform _GBCorePlatform(const struct mCore* core) {
 95	UNUSED(core);
 96	return PLATFORM_GB;
 97}
 98
 99static void _GBCoreSetSync(struct mCore* core, struct mCoreSync* sync) {
100	struct GB* gb = core->board;
101	gb->sync = sync;
102}
103
104static void _GBCoreLoadConfig(struct mCore* core, const struct mCoreConfig* config) {
105	UNUSED(config);
106
107	struct GB* gb = core->board;
108	if (core->opts.mute) {
109		gb->audio.masterVolume = 0;
110	} else {
111		gb->audio.masterVolume = core->opts.volume;
112	}
113	gb->video.frameskip = core->opts.frameskip;
114	mCoreConfigCopyValue(&core->config, config, "gb.bios");
115	mCoreConfigCopyValue(&core->config, config, "gbc.bios");
116
117#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
118	struct GBCore* gbcore = (struct GBCore*) core;
119	gbcore->overrides = mCoreConfigGetOverridesConst(config);
120#endif
121}
122
123static void _GBCoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
124	UNUSED(core);
125	*width = GB_VIDEO_HORIZONTAL_PIXELS;
126	*height = GB_VIDEO_VERTICAL_PIXELS;
127}
128
129static void _GBCoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
130	struct GBCore* gbcore = (struct GBCore*) core;
131	gbcore->renderer.outputBuffer = buffer;
132	gbcore->renderer.outputBufferStride = stride;
133}
134
135static void _GBCoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
136	struct GBCore* gbcore = (struct GBCore*) core;
137	gbcore->renderer.d.getPixels(&gbcore->renderer.d, stride, buffer);
138}
139
140static void _GBCorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
141	struct GBCore* gbcore = (struct GBCore*) core;
142	gbcore->renderer.d.putPixels(&gbcore->renderer.d, stride, buffer);
143}
144
145static struct blip_t* _GBCoreGetAudioChannel(struct mCore* core, int ch) {
146	struct GB* gb = core->board;
147	switch (ch) {
148	case 0:
149		return gb->audio.left;
150	case 1:
151		return gb->audio.right;
152	default:
153		return NULL;
154	}
155}
156
157static void _GBCoreSetAudioBufferSize(struct mCore* core, size_t samples) {
158	struct GB* gb = core->board;
159	GBAudioResizeBuffer(&gb->audio, samples);
160}
161
162static size_t _GBCoreGetAudioBufferSize(struct mCore* core) {
163	struct GB* gb = core->board;
164	return gb->audio.samples;
165}
166
167static void _GBCoreSetCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
168	struct GB* gb = core->board;
169	gb->coreCallbacks = coreCallbacks;
170}
171
172static void _GBCoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
173	struct GB* gb = core->board;
174	gb->stream = stream;
175	if (stream && stream->videoDimensionsChanged) {
176		stream->videoDimensionsChanged(stream, GB_VIDEO_HORIZONTAL_PIXELS, GB_VIDEO_VERTICAL_PIXELS);
177	}
178}
179
180static bool _GBCoreLoadROM(struct mCore* core, struct VFile* vf) {
181	return GBLoadROM(core->board, vf);
182}
183
184static bool _GBCoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
185	UNUSED(type);
186	GBLoadBIOS(core->board, vf);
187	return true;
188}
189
190static bool _GBCoreLoadSave(struct mCore* core, struct VFile* vf) {
191	return GBLoadSave(core->board, vf);
192}
193
194static bool _GBCoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
195	struct GB* gb = core->board;
196	GBSavedataMask(gb, vf, false);
197	return true; // TODO: Return a real value
198}
199
200static bool _GBCoreLoadPatch(struct mCore* core, struct VFile* vf) {
201	if (!vf) {
202		return false;
203	}
204	struct Patch patch;
205	if (!loadPatch(vf, &patch)) {
206		return false;
207	}
208	GBApplyPatch(core->board, &patch);
209	return true;
210}
211
212static void _GBCoreUnloadROM(struct mCore* core) {
213	struct GBCore* gbcore = (struct GBCore*) core;
214	struct LR35902Core* cpu = core->cpu;
215	if (gbcore->cheatDevice) {
216		LR35902HotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
217		cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
218		mCheatDeviceDestroy(gbcore->cheatDevice);
219		gbcore->cheatDevice = NULL;
220	}
221	return GBUnloadROM(core->board);
222}
223
224static void _GBCoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
225	struct GB* gb = (struct GB*) core->board;
226	switch (type) {
227	case CHECKSUM_CRC32:
228		memcpy(data, &gb->romCrc32, sizeof(gb->romCrc32));
229		break;
230	}
231	return;
232}
233
234static void _GBCoreReset(struct mCore* core) {
235	struct GBCore* gbcore = (struct GBCore*) core;
236	struct GB* gb = (struct GB*) core->board;
237	if (gbcore->renderer.outputBuffer) {
238		GBVideoAssociateRenderer(&gb->video, &gbcore->renderer.d);
239	}
240
241	if (gb->memory.rom) {
242		struct GBCartridgeOverride override;
243		const struct GBCartridge* cart = (const struct GBCartridge*) &gb->memory.rom[0x100];
244		override.headerCrc32 = doCrc32(cart, sizeof(*cart));
245		if (GBOverrideFind(gbcore->overrides, &override)) {
246			GBOverrideApply(gb, &override);
247		}
248	}
249
250#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
251	if (!gb->biosVf && core->opts.useBios) {
252		struct VFile* bios = NULL;
253		bool found = false;
254		if (core->opts.bios) {
255			bios = VFileOpen(core->opts.bios, O_RDONLY);
256			if (bios && GBIsBIOS(bios)) {
257				found = true;
258			} else if (bios) {
259				bios->close(bios);
260				bios = NULL;
261			}
262		}
263		if (!found) {
264			GBDetectModel(gb);
265			const char* configPath;
266
267			switch (gb->model) {
268			case GB_MODEL_DMG:
269			case GB_MODEL_SGB: // TODO
270				configPath = mCoreConfigGetValue(&core->config, "gb.bios");
271				break;
272			case GB_MODEL_CGB:
273			case GB_MODEL_AGB:
274				configPath = mCoreConfigGetValue(&core->config, "gbc.bios");
275				break;
276			default:
277				break;
278			};
279			bios = VFileOpen(configPath, O_RDONLY);
280			if (bios && GBIsBIOS(bios)) {
281				found = true;
282			} else if (bios) {
283				bios->close(bios);
284				bios = NULL;
285			}
286		}
287		if (!found) {
288			char path[PATH_MAX];
289			mCoreConfigDirectory(path, PATH_MAX);
290			switch (gb->model) {
291			case GB_MODEL_DMG:
292			case GB_MODEL_SGB: // TODO
293				strncat(path, PATH_SEP "gb_bios.bin", PATH_MAX - strlen(path));
294				break;
295			case GB_MODEL_CGB:
296			case GB_MODEL_AGB:
297				strncat(path, PATH_SEP "gbc_bios.bin", PATH_MAX - strlen(path));
298				break;
299			default:
300				break;
301			};
302			bios = VFileOpen(path, O_RDONLY);
303			if (bios && GBIsBIOS(bios)) {
304				found = true;
305			} else if (bios) {
306				bios->close(bios);
307				bios = NULL;
308			}
309		}
310		if (bios) {
311			GBLoadBIOS(gb, bios);
312		}
313	}
314#endif
315
316	LR35902Reset(core->cpu);
317}
318
319static void _GBCoreRunFrame(struct mCore* core) {
320	struct GB* gb = core->board;
321	int32_t frameCounter = gb->video.frameCounter;
322	while (gb->video.frameCounter == frameCounter) {
323		LR35902Run(core->cpu);
324	}
325}
326
327static void _GBCoreRunLoop(struct mCore* core) {
328	LR35902Run(core->cpu);
329}
330
331static void _GBCoreStep(struct mCore* core) {
332	struct LR35902Core* cpu = core->cpu;
333	do {
334		LR35902Tick(cpu);
335	} while (cpu->executionState != LR35902_CORE_FETCH);
336}
337
338static size_t _GBCoreStateSize(struct mCore* core) {
339	UNUSED(core);
340	return sizeof(struct GBSerializedState);
341}
342
343static bool _GBCoreLoadState(struct mCore* core, const void* state) {
344	return GBDeserialize(core->board, state);
345}
346
347static bool _GBCoreSaveState(struct mCore* core, void* state) {
348	struct LR35902Core* cpu = core->cpu;
349	while (cpu->executionState != LR35902_CORE_FETCH) {
350		LR35902Tick(cpu);
351	}
352	GBSerialize(core->board, state);
353	return true;
354}
355
356static void _GBCoreSetKeys(struct mCore* core, uint32_t keys) {
357	struct GBCore* gbcore = (struct GBCore*) core;
358	gbcore->keys = keys;
359}
360
361static void _GBCoreAddKeys(struct mCore* core, uint32_t keys) {
362	struct GBCore* gbcore = (struct GBCore*) core;
363	gbcore->keys |= keys;
364}
365
366static void _GBCoreClearKeys(struct mCore* core, uint32_t keys) {
367	struct GBCore* gbcore = (struct GBCore*) core;
368	gbcore->keys &= ~keys;
369}
370
371static void _GBCoreSetCursor(struct mCore* core, int x, int y, bool down) {
372	UNUSED(core);
373	UNUSED(x);
374	UNUSED(y);
375	UNUSED(down);
376}
377
378static int32_t _GBCoreFrameCounter(const struct mCore* core) {
379	const struct GB* gb = core->board;
380	return gb->video.frameCounter;
381}
382
383static int32_t _GBCoreFrameCycles(const  struct mCore* core) {
384	UNUSED(core);
385	return GB_VIDEO_TOTAL_LENGTH;
386}
387
388static int32_t _GBCoreFrequency(const struct mCore* core) {
389	UNUSED(core);
390	// TODO: GB differences
391	return DMG_LR35902_FREQUENCY;
392}
393
394static void _GBCoreGetGameTitle(const struct mCore* core, char* title) {
395	GBGetGameTitle(core->board, title);
396}
397
398static void _GBCoreGetGameCode(const struct mCore* core, char* title) {
399	GBGetGameCode(core->board, title);
400}
401
402static void _GBCoreSetRTC(struct mCore* core, struct mRTCSource* rtc) {
403	struct GB* gb = core->board;
404	gb->memory.rtc = rtc;
405}
406
407static void _GBCoreSetRotation(struct mCore* core, struct mRotationSource* rotation) {
408	struct GB* gb = core->board;
409	gb->memory.rotation = rotation;
410}
411
412static void _GBCoreSetRumble(struct mCore* core, struct mRumble* rumble) {
413	struct GB* gb = core->board;
414	gb->memory.rumble = rumble;
415}
416
417static uint32_t _GBCoreBusRead8(struct mCore* core, uint32_t address) {
418	struct LR35902Core* cpu = core->cpu;
419	return cpu->memory.load8(cpu, address);
420}
421
422static uint32_t _GBCoreBusRead16(struct mCore* core, uint32_t address) {
423	struct LR35902Core* cpu = core->cpu;
424	return cpu->memory.load8(cpu, address) | (cpu->memory.load8(cpu, address + 1) << 8);
425}
426
427static uint32_t _GBCoreBusRead32(struct mCore* core, uint32_t address) {
428	struct LR35902Core* cpu = core->cpu;
429	return cpu->memory.load8(cpu, address) | (cpu->memory.load8(cpu, address + 1) << 8) |
430	       (cpu->memory.load8(cpu, address + 2) << 16) | (cpu->memory.load8(cpu, address + 3) << 24);
431}
432
433static void _GBCoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
434	struct LR35902Core* cpu = core->cpu;
435	cpu->memory.store8(cpu, address, value);
436}
437
438static void _GBCoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
439	struct LR35902Core* cpu = core->cpu;
440	cpu->memory.store8(cpu, address, value);
441	cpu->memory.store8(cpu, address + 1, value >> 8);
442}
443
444static void _GBCoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
445	struct LR35902Core* cpu = core->cpu;
446	cpu->memory.store8(cpu, address, value);
447	cpu->memory.store8(cpu, address + 1, value >> 8);
448	cpu->memory.store8(cpu, address + 2, value >> 16);
449	cpu->memory.store8(cpu, address + 3, value >> 24);
450}
451
452static uint32_t _GBCoreRawRead8(struct mCore* core, uint32_t address, int segment) {
453	struct LR35902Core* cpu = core->cpu;
454	return GBView8(cpu, address, segment);
455}
456
457static uint32_t _GBCoreRawRead16(struct mCore* core, uint32_t address, int segment) {
458	struct LR35902Core* cpu = core->cpu;
459	return GBView8(cpu, address, segment) | (GBView8(cpu, address + 1, segment) << 8);
460}
461
462static uint32_t _GBCoreRawRead32(struct mCore* core, uint32_t address, int segment) {
463	struct LR35902Core* cpu = core->cpu;
464	return GBView8(cpu, address, segment) | (GBView8(cpu, address + 1, segment) << 8) |
465	       (GBView8(cpu, address + 2, segment) << 16) | (GBView8(cpu, address + 3, segment) << 24);
466}
467
468static void _GBCoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
469	struct LR35902Core* cpu = core->cpu;
470	GBPatch8(cpu, address, value, NULL, segment);
471}
472
473static void _GBCoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
474	struct LR35902Core* cpu = core->cpu;
475	GBPatch8(cpu, address, value, NULL, segment);
476	GBPatch8(cpu, address + 1, value >> 8, NULL, segment);
477}
478
479static void _GBCoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
480	struct LR35902Core* cpu = core->cpu;
481	GBPatch8(cpu, address, value, NULL, segment);
482	GBPatch8(cpu, address + 1, value >> 8, NULL, segment);
483	GBPatch8(cpu, address + 2, value >> 16, NULL, segment);
484	GBPatch8(cpu, address + 3, value >> 24, NULL, segment);
485}
486
487#ifdef USE_DEBUGGERS
488static bool _GBCoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
489	UNUSED(core);
490	switch (type) {
491	case DEBUGGER_CLI:
492		return true;
493	default:
494		return false;
495	}
496}
497
498static struct mDebuggerPlatform* _GBCoreDebuggerPlatform(struct mCore* core) {
499	struct GBCore* gbcore = (struct GBCore*) core;
500	if (!gbcore->debuggerPlatform) {
501		gbcore->debuggerPlatform = LR35902DebuggerPlatformCreate();
502	}
503	return gbcore->debuggerPlatform;
504}
505
506static struct CLIDebuggerSystem* _GBCoreCliDebuggerSystem(struct mCore* core) {
507	return GBCLIDebuggerCreate(core);
508}
509
510static void _GBCoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
511	struct LR35902Core* cpu = core->cpu;
512	if (core->debugger) {
513		LR35902HotplugDetach(cpu, CPU_COMPONENT_DEBUGGER);
514	}
515	cpu->components[CPU_COMPONENT_DEBUGGER] = &debugger->d;
516	LR35902HotplugAttach(cpu, CPU_COMPONENT_DEBUGGER);
517	core->debugger = debugger;
518}
519
520static void _GBCoreDetachDebugger(struct mCore* core) {
521	struct LR35902Core* cpu = core->cpu;
522	if (core->debugger) {
523		LR35902HotplugDetach(cpu, CPU_COMPONENT_DEBUGGER);
524	}
525	cpu->components[CPU_COMPONENT_DEBUGGER] = NULL;
526	core->debugger = NULL;
527}
528#endif
529
530static struct mCheatDevice* _GBCoreCheatDevice(struct mCore* core) {
531	struct GBCore* gbcore = (struct GBCore*) core;
532	if (!gbcore->cheatDevice) {
533		gbcore->cheatDevice = GBCheatDeviceCreate();
534		((struct LR35902Core*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbcore->cheatDevice->d;
535		LR35902HotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
536		gbcore->cheatDevice->p = core;
537	}
538	return gbcore->cheatDevice;
539}
540
541static size_t _GBCoreSavedataClone(struct mCore* core, void** sram) {
542	struct GB* gb = core->board;
543	struct VFile* vf = gb->sramVf;
544	if (vf) {
545		*sram = malloc(vf->size(vf));
546		vf->seek(vf, 0, SEEK_SET);
547		return vf->read(vf, *sram, vf->size(vf));
548	}
549	*sram = malloc(gb->sramSize);
550	memcpy(*sram, gb->memory.sram, gb->sramSize);
551	return gb->sramSize;
552}
553
554static bool _GBCoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
555	struct GB* gb = core->board;
556	if (!writeback) {
557		struct VFile* vf = VFileMemChunk(sram, size);
558		GBSavedataMask(gb, vf, true);
559		return true;
560	}
561	struct VFile* vf = gb->sramVf;
562	if (vf) {
563		vf->seek(vf, 0, SEEK_SET);
564		return vf->write(vf, sram, size) > 0;
565	}
566	if (size > 0x20000) {
567		size = 0x20000;
568	}
569	GBResizeSram(gb, size);
570	memcpy(gb->memory.sram, sram, size);
571	return true;
572}
573
574struct mCore* GBCoreCreate(void) {
575	struct GBCore* gbcore = malloc(sizeof(*gbcore));
576	struct mCore* core = &gbcore->d;
577	memset(&core->opts, 0, sizeof(core->opts));
578	core->cpu = NULL;
579	core->board = NULL;
580	core->debugger = NULL;
581	core->init = _GBCoreInit;
582	core->deinit = _GBCoreDeinit;
583	core->platform = _GBCorePlatform;
584	core->setSync = _GBCoreSetSync;
585	core->loadConfig = _GBCoreLoadConfig;
586	core->desiredVideoDimensions = _GBCoreDesiredVideoDimensions;
587	core->setVideoBuffer = _GBCoreSetVideoBuffer;
588	core->getPixels = _GBCoreGetPixels;
589	core->putPixels = _GBCorePutPixels;
590	core->getAudioChannel = _GBCoreGetAudioChannel;
591	core->setAudioBufferSize = _GBCoreSetAudioBufferSize;
592	core->getAudioBufferSize = _GBCoreGetAudioBufferSize;
593	core->setAVStream = _GBCoreSetAVStream;
594	core->setCoreCallbacks = _GBCoreSetCoreCallbacks;
595	core->isROM = GBIsROM;
596	core->loadROM = _GBCoreLoadROM;
597	core->loadBIOS = _GBCoreLoadBIOS;
598	core->loadSave = _GBCoreLoadSave;
599	core->loadTemporarySave = _GBCoreLoadTemporarySave;
600	core->loadPatch = _GBCoreLoadPatch;
601	core->unloadROM = _GBCoreUnloadROM;
602	core->checksum = _GBCoreChecksum;
603	core->reset = _GBCoreReset;
604	core->runFrame = _GBCoreRunFrame;
605	core->runLoop = _GBCoreRunLoop;
606	core->step = _GBCoreStep;
607	core->stateSize = _GBCoreStateSize;
608	core->loadState = _GBCoreLoadState;
609	core->saveState = _GBCoreSaveState;
610	core->setKeys = _GBCoreSetKeys;
611	core->addKeys = _GBCoreAddKeys;
612	core->clearKeys = _GBCoreClearKeys;
613	core->setCursor = _GBCoreSetCursor;
614	core->frameCounter = _GBCoreFrameCounter;
615	core->frameCycles = _GBCoreFrameCycles;
616	core->frequency = _GBCoreFrequency;
617	core->getGameTitle = _GBCoreGetGameTitle;
618	core->getGameCode = _GBCoreGetGameCode;
619	core->setRTC = _GBCoreSetRTC;
620	core->setRotation = _GBCoreSetRotation;
621	core->setRumble = _GBCoreSetRumble;
622	core->busRead8 = _GBCoreBusRead8;
623	core->busRead16 = _GBCoreBusRead16;
624	core->busRead32 = _GBCoreBusRead32;
625	core->busWrite8 = _GBCoreBusWrite8;
626	core->busWrite16 = _GBCoreBusWrite16;
627	core->busWrite32 = _GBCoreBusWrite32;
628	core->rawRead8 = _GBCoreRawRead8;
629	core->rawRead16 = _GBCoreRawRead16;
630	core->rawRead32 = _GBCoreRawRead32;
631	core->rawWrite8 = _GBCoreRawWrite8;
632	core->rawWrite16 = _GBCoreRawWrite16;
633	core->rawWrite32 = _GBCoreRawWrite32;
634#ifdef USE_DEBUGGERS
635	core->supportsDebuggerType = _GBCoreSupportsDebuggerType;
636	core->debuggerPlatform = _GBCoreDebuggerPlatform;
637	core->cliDebuggerSystem = _GBCoreCliDebuggerSystem;
638	core->attachDebugger = _GBCoreAttachDebugger;
639	core->detachDebugger = _GBCoreDetachDebugger;
640#endif
641	core->cheatDevice = _GBCoreCheatDevice;
642	core->savedataClone = _GBCoreSavedataClone;
643	core->savedataRestore = _GBCoreSavedataRestore;
644	return core;
645}