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mGBA Game Boy Advance Emulator

src/gba/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/gba/core.h>
  7
  8#include <mgba/core/core.h>
  9#include <mgba/core/log.h>
 10#include <mgba/internal/arm/debugger/debugger.h>
 11#include <mgba/internal/gba/cheats.h>
 12#include <mgba/internal/gba/gba.h>
 13#include <mgba/internal/gba/extra/cli.h>
 14#include <mgba/internal/gba/overrides.h>
 15#ifndef DISABLE_THREADING
 16#include <mgba/internal/gba/renderers/thread-proxy.h>
 17#endif
 18#include <mgba/internal/gba/renderers/video-software.h>
 19#include <mgba/internal/gba/savedata.h>
 20#include <mgba/internal/gba/serialize.h>
 21#include <mgba-util/memory.h>
 22#include <mgba-util/patch.h>
 23#include <mgba-util/vfs.h>
 24
 25struct GBACore {
 26	struct mCore d;
 27	struct GBAVideoSoftwareRenderer renderer;
 28#ifndef DISABLE_THREADING
 29	struct GBAVideoThreadProxyRenderer threadProxy;
 30	int threadedVideo;
 31#endif
 32	int keys;
 33	struct mCPUComponent* components[CPU_COMPONENT_MAX];
 34	const struct Configuration* overrides;
 35	struct mDebuggerPlatform* debuggerPlatform;
 36	struct mCheatDevice* cheatDevice;
 37};
 38
 39static bool _GBACoreInit(struct mCore* core) {
 40	struct GBACore* gbacore = (struct GBACore*) core;
 41
 42	struct ARMCore* cpu = anonymousMemoryMap(sizeof(struct ARMCore));
 43	struct GBA* gba = anonymousMemoryMap(sizeof(struct GBA));
 44	if (!cpu || !gba) {
 45		free(cpu);
 46		free(gba);
 47		return false;
 48	}
 49	core->cpu = cpu;
 50	core->board = gba;
 51	core->debugger = NULL;
 52	gbacore->overrides = NULL;
 53	gbacore->debuggerPlatform = NULL;
 54	gbacore->cheatDevice = NULL;
 55
 56	GBACreate(gba);
 57	// TODO: Restore cheats
 58	memset(gbacore->components, 0, sizeof(gbacore->components));
 59	ARMSetComponents(cpu, &gba->d, CPU_COMPONENT_MAX, gbacore->components);
 60	ARMInit(cpu);
 61
 62	GBAVideoSoftwareRendererCreate(&gbacore->renderer);
 63	gbacore->renderer.outputBuffer = NULL;
 64
 65#ifndef DISABLE_THREADING
 66	gbacore->threadedVideo = false;
 67	GBAVideoThreadProxyRendererCreate(&gbacore->threadProxy, &gbacore->renderer.d);
 68#endif
 69
 70	gbacore->keys = 0;
 71	gba->keySource = &gbacore->keys;
 72
 73#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
 74	mDirectorySetInit(&core->dirs);
 75#endif
 76	
 77	return true;
 78}
 79
 80static void _GBACoreDeinit(struct mCore* core) {
 81	ARMDeinit(core->cpu);
 82	GBADestroy(core->board);
 83	mappedMemoryFree(core->cpu, sizeof(struct ARMCore));
 84	mappedMemoryFree(core->board, sizeof(struct GBA));
 85#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
 86	mDirectorySetDeinit(&core->dirs);
 87#endif
 88
 89	struct GBACore* gbacore = (struct GBACore*) core;
 90	free(gbacore->debuggerPlatform);
 91	if (gbacore->cheatDevice) {
 92		mCheatDeviceDestroy(gbacore->cheatDevice);
 93	}
 94	free(gbacore->cheatDevice);
 95	mCoreConfigFreeOpts(&core->opts);
 96	free(core);
 97}
 98
 99static enum mPlatform _GBACorePlatform(const struct mCore* core) {
100	UNUSED(core);
101	return PLATFORM_GBA;
102}
103
104static void _GBACoreSetSync(struct mCore* core, struct mCoreSync* sync) {
105	struct GBA* gba = core->board;
106	gba->sync = sync;
107}
108
109static void _GBACoreLoadConfig(struct mCore* core, const struct mCoreConfig* config) {
110	struct GBA* gba = core->board;
111	if (core->opts.mute) {
112		gba->audio.masterVolume = 0;
113	} else {
114		gba->audio.masterVolume = core->opts.volume;
115	}
116	gba->video.frameskip = core->opts.frameskip;
117
118#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
119	struct GBACore* gbacore = (struct GBACore*) core;
120	gbacore->overrides = mCoreConfigGetOverridesConst(config);
121#endif
122
123	const char* idleOptimization = mCoreConfigGetValue(config, "idleOptimization");
124	if (idleOptimization) {
125		if (strcasecmp(idleOptimization, "ignore") == 0) {
126			gba->idleOptimization = IDLE_LOOP_IGNORE;
127		} else if (strcasecmp(idleOptimization, "remove") == 0) {
128			gba->idleOptimization = IDLE_LOOP_REMOVE;
129		} else if (strcasecmp(idleOptimization, "detect") == 0) {
130			if (gba->idleLoop == IDLE_LOOP_NONE) {
131				gba->idleOptimization = IDLE_LOOP_DETECT;
132			} else {
133				gba->idleOptimization = IDLE_LOOP_REMOVE;
134			}
135		}
136	}
137
138	mCoreConfigCopyValue(&core->config, config, "gba.bios");
139
140#ifndef DISABLE_THREADING
141	mCoreConfigGetIntValue(config, "threadedVideo", &gbacore->threadedVideo);
142#endif
143}
144
145static void _GBACoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
146	UNUSED(core);
147	*width = VIDEO_HORIZONTAL_PIXELS;
148	*height = VIDEO_VERTICAL_PIXELS;
149}
150
151static void _GBACoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
152	struct GBACore* gbacore = (struct GBACore*) core;
153	gbacore->renderer.outputBuffer = buffer;
154	gbacore->renderer.outputBufferStride = stride;
155}
156
157static void _GBACoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
158	struct GBACore* gbacore = (struct GBACore*) core;
159	gbacore->renderer.d.getPixels(&gbacore->renderer.d, stride, buffer);
160}
161
162static void _GBACorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
163	struct GBACore* gbacore = (struct GBACore*) core;
164	gbacore->renderer.d.putPixels(&gbacore->renderer.d, stride, buffer);
165}
166
167static struct blip_t* _GBACoreGetAudioChannel(struct mCore* core, int ch) {
168	struct GBA* gba = core->board;
169	switch (ch) {
170	case 0:
171		return gba->audio.psg.left;
172	case 1:
173		return gba->audio.psg.right;
174	default:
175		return NULL;
176	}
177}
178
179static void _GBACoreSetAudioBufferSize(struct mCore* core, size_t samples) {
180	struct GBA* gba = core->board;
181	GBAAudioResizeBuffer(&gba->audio, samples);
182}
183
184static size_t _GBACoreGetAudioBufferSize(struct mCore* core) {
185	struct GBA* gba = core->board;
186	return gba->audio.samples;
187}
188
189static void _GBACoreAddCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
190	struct GBA* gba = core->board;
191	*mCoreCallbacksListAppend(&gba->coreCallbacks) = *coreCallbacks;
192}
193
194static void _GBACoreClearCoreCallbacks(struct mCore* core) {
195	struct GBA* gba = core->board;
196	mCoreCallbacksListClear(&gba->coreCallbacks);
197}
198
199static void _GBACoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
200	struct GBA* gba = core->board;
201	gba->stream = stream;
202	if (stream && stream->videoDimensionsChanged) {
203		stream->videoDimensionsChanged(stream, VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
204	}
205}
206
207static bool _GBACoreLoadROM(struct mCore* core, struct VFile* vf) {
208	if (GBAIsMB(vf)) {
209		return GBALoadMB(core->board, vf);
210	}
211	return GBALoadROM(core->board, vf);
212}
213
214static bool _GBACoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
215	UNUSED(type);
216	if (!GBAIsBIOS(vf)) {
217		return false;
218	}
219	GBALoadBIOS(core->board, vf);
220	return true;
221}
222
223static bool _GBACoreLoadSave(struct mCore* core, struct VFile* vf) {
224	return GBALoadSave(core->board, vf);
225}
226
227static bool _GBACoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
228	struct GBA* gba = core->board;
229	GBASavedataMask(&gba->memory.savedata, vf, false);
230	return true; // TODO: Return a real value
231}
232
233static bool _GBACoreLoadPatch(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	GBAApplyPatch(core->board, &patch);
242	return true;
243}
244
245static void _GBACoreUnloadROM(struct mCore* core) {
246	struct GBACore* gbacore = (struct GBACore*) core;
247	struct ARMCore* cpu = core->cpu;
248	if (gbacore->cheatDevice) {
249		ARMHotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
250		cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
251		mCheatDeviceDestroy(gbacore->cheatDevice);
252		gbacore->cheatDevice = NULL;
253	}
254	return GBAUnloadROM(core->board);
255}
256
257static void _GBACoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
258	struct GBA* gba = (struct GBA*) core->board;
259	switch (type) {
260	case CHECKSUM_CRC32:
261		memcpy(data, &gba->romCrc32, sizeof(gba->romCrc32));
262		break;
263	}
264	return;
265}
266
267static void _GBACoreReset(struct mCore* core) {
268	struct GBACore* gbacore = (struct GBACore*) core;
269	struct GBA* gba = (struct GBA*) core->board;
270	if (gbacore->renderer.outputBuffer) {
271		struct GBAVideoRenderer* renderer = &gbacore->renderer.d;
272#ifndef DISABLE_THREADING
273		if (gbacore->threadedVideo) {
274			renderer = &gbacore->threadProxy.d;
275		}
276#endif
277		GBAVideoAssociateRenderer(&gba->video, renderer);
278	}
279
280	struct GBACartridgeOverride override;
281	const struct GBACartridge* cart = (const struct GBACartridge*) gba->memory.rom;
282	if (cart) {
283		memcpy(override.id, &cart->id, sizeof(override.id));
284		if (GBAOverrideFind(gbacore->overrides, &override)) {
285			GBAOverrideApply(gba, &override);
286		}
287	}
288
289#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
290	if (!gba->biosVf && core->opts.useBios) {
291		struct VFile* bios = NULL;
292		bool found = false;
293		if (core->opts.bios) {
294			bios = VFileOpen(core->opts.bios, O_RDONLY);
295			if (bios && GBAIsBIOS(bios)) {
296				found = true;
297			} else if (bios) {
298				bios->close(bios);
299				bios = NULL;
300			}
301		}
302		if (!found) {
303			const char* configPath = mCoreConfigGetValue(&core->config, "gba.bios");
304			bios = VFileOpen(configPath, O_RDONLY);
305			if (bios && GBAIsBIOS(bios)) {
306				found = true;
307			} else if (bios) {
308				bios->close(bios);
309				bios = NULL;
310			}
311		}
312		if (!found) {
313			char path[PATH_MAX];
314			mCoreConfigDirectory(path, PATH_MAX);
315			strncat(path, PATH_SEP "gba_bios.bin", PATH_MAX - strlen(path));
316			bios = VFileOpen(path, O_RDONLY);
317			if (bios && GBIsBIOS(bios)) {
318				found = true;
319			} else if (bios) {
320				bios->close(bios);
321				bios = NULL;
322			}
323		}
324		if (bios) {
325			GBALoadBIOS(gba, bios);
326		}
327	}
328#endif
329
330	ARMReset(core->cpu);
331	if (core->opts.skipBios && gba->isPristine) {
332		GBASkipBIOS(core->board);
333	}
334}
335
336static void _GBACoreRunFrame(struct mCore* core) {
337	struct GBA* gba = core->board;
338	int32_t frameCounter = gba->video.frameCounter;
339	while (gba->video.frameCounter == frameCounter) {
340		ARMRunLoop(core->cpu);
341	}
342}
343
344static void _GBACoreRunLoop(struct mCore* core) {
345	ARMRunLoop(core->cpu);
346}
347
348static void _GBACoreStep(struct mCore* core) {
349	ARMRun(core->cpu);
350}
351
352static size_t _GBACoreStateSize(struct mCore* core) {
353	UNUSED(core);
354	return sizeof(struct GBASerializedState);
355}
356
357static bool _GBACoreLoadState(struct mCore* core, const void* state) {
358	return GBADeserialize(core->board, state);
359}
360
361static bool _GBACoreSaveState(struct mCore* core, void* state) {
362	GBASerialize(core->board, state);
363	return true;
364}
365
366static void _GBACoreSetKeys(struct mCore* core, uint32_t keys) {
367	struct GBACore* gbacore = (struct GBACore*) core;
368	gbacore->keys = keys;
369}
370
371static void _GBACoreAddKeys(struct mCore* core, uint32_t keys) {
372	struct GBACore* gbacore = (struct GBACore*) core;
373	gbacore->keys |= keys;
374}
375
376static void _GBACoreClearKeys(struct mCore* core, uint32_t keys) {
377	struct GBACore* gbacore = (struct GBACore*) core;
378	gbacore->keys &= ~keys;
379}
380
381static int32_t _GBACoreFrameCounter(const struct mCore* core) {
382	const struct GBA* gba = core->board;
383	return gba->video.frameCounter;
384}
385
386static int32_t _GBACoreFrameCycles(const struct mCore* core) {
387	UNUSED(core);
388	return VIDEO_TOTAL_LENGTH;
389}
390
391static int32_t _GBACoreFrequency(const struct mCore* core) {
392	UNUSED(core);
393	return GBA_ARM7TDMI_FREQUENCY;
394}
395
396static void _GBACoreGetGameTitle(const struct mCore* core, char* title) {
397	GBAGetGameTitle(core->board, title);
398}
399
400static void _GBACoreGetGameCode(const struct mCore* core, char* title) {
401	GBAGetGameCode(core->board, title);
402}
403
404static void _GBACoreSetRTC(struct mCore* core, struct mRTCSource* rtc) {
405	struct GBA* gba = core->board;
406	gba->rtcSource = rtc;
407}
408
409static void _GBACoreSetRotation(struct mCore* core, struct mRotationSource* rotation) {
410	struct GBA* gba = core->board;
411	gba->rotationSource = rotation;
412}
413
414static void _GBACoreSetRumble(struct mCore* core, struct mRumble* rumble) {
415	struct GBA* gba = core->board;
416	gba->rumble = rumble;
417}
418
419static uint32_t _GBACoreBusRead8(struct mCore* core, uint32_t address) {
420	struct ARMCore* cpu = core->cpu;
421	return cpu->memory.load8(cpu, address, 0);
422}
423
424static uint32_t _GBACoreBusRead16(struct mCore* core, uint32_t address) {
425	struct ARMCore* cpu = core->cpu;
426	return cpu->memory.load16(cpu, address, 0);
427
428}
429
430static uint32_t _GBACoreBusRead32(struct mCore* core, uint32_t address) {
431	struct ARMCore* cpu = core->cpu;
432	return cpu->memory.load32(cpu, address, 0);
433}
434
435static void _GBACoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
436	struct ARMCore* cpu = core->cpu;
437	cpu->memory.store8(cpu, address, value, 0);
438}
439
440static void _GBACoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
441	struct ARMCore* cpu = core->cpu;
442	cpu->memory.store16(cpu, address, value, 0);
443}
444
445static void _GBACoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
446	struct ARMCore* cpu = core->cpu;
447	cpu->memory.store32(cpu, address, value, 0);
448}
449
450static uint32_t _GBACoreRawRead8(struct mCore* core, uint32_t address, int segment) {
451	UNUSED(segment);
452	struct ARMCore* cpu = core->cpu;
453	return GBAView8(cpu, address);
454}
455
456static uint32_t _GBACoreRawRead16(struct mCore* core, uint32_t address, int segment) {
457	UNUSED(segment);
458	struct ARMCore* cpu = core->cpu;
459	return GBAView16(cpu, address);
460}
461
462static uint32_t _GBACoreRawRead32(struct mCore* core, uint32_t address, int segment) {
463	UNUSED(segment);
464	struct ARMCore* cpu = core->cpu;
465	return GBAView32(cpu, address);
466}
467
468static void _GBACoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
469	UNUSED(segment);
470	struct ARMCore* cpu = core->cpu;
471	GBAPatch8(cpu, address, value, NULL);
472}
473
474static void _GBACoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
475	UNUSED(segment);
476	struct ARMCore* cpu = core->cpu;
477	GBAPatch16(cpu, address, value, NULL);
478}
479
480static void _GBACoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
481	UNUSED(segment);
482	struct ARMCore* cpu = core->cpu;
483	GBAPatch32(cpu, address, value, NULL);
484}
485
486#ifdef USE_DEBUGGERS
487static bool _GBACoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
488	UNUSED(core);
489	switch (type) {
490	case DEBUGGER_CLI:
491		return true;
492#ifdef USE_GDB_STUB
493	case DEBUGGER_GDB:
494		return true;
495#endif
496	default:
497		return false;
498	}
499}
500
501static struct mDebuggerPlatform* _GBACoreDebuggerPlatform(struct mCore* core) {
502	struct GBACore* gbacore = (struct GBACore*) core;
503	if (!gbacore->debuggerPlatform) {
504		gbacore->debuggerPlatform = ARMDebuggerPlatformCreate();
505	}
506	return gbacore->debuggerPlatform;
507}
508
509static struct CLIDebuggerSystem* _GBACoreCliDebuggerSystem(struct mCore* core) {
510	return &GBACLIDebuggerCreate(core)->d;
511}
512
513static void _GBACoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
514	if (core->debugger) {
515		GBADetachDebugger(core->board);
516	}
517	GBAAttachDebugger(core->board, debugger);
518	core->debugger = debugger;
519}
520
521static void _GBACoreDetachDebugger(struct mCore* core) {
522	GBADetachDebugger(core->board);
523	core->debugger = NULL;
524}
525#endif
526
527static struct mCheatDevice* _GBACoreCheatDevice(struct mCore* core) {
528	struct GBACore* gbacore = (struct GBACore*) core;
529	if (!gbacore->cheatDevice) {
530		gbacore->cheatDevice = GBACheatDeviceCreate();
531		((struct ARMCore*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbacore->cheatDevice->d;
532		ARMHotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
533		gbacore->cheatDevice->p = core;
534	}
535	return gbacore->cheatDevice;
536}
537
538static size_t _GBACoreSavedataClone(struct mCore* core, void** sram) {
539	struct GBA* gba = core->board;
540	size_t size = GBASavedataSize(&gba->memory.savedata);
541	if (!size) {
542		*sram = NULL;
543		return 0;
544	}
545	*sram = malloc(size);
546	struct VFile* vf = VFileFromMemory(*sram, size);
547	if (!vf) {
548		free(*sram);
549		*sram = NULL;
550		return 0;
551	}
552	bool success = GBASavedataClone(&gba->memory.savedata, vf);
553	vf->close(vf);
554	if (!success) {
555		free(*sram);
556		*sram = NULL;
557		return 0;
558	}
559	return size;
560}
561
562static bool _GBACoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
563	struct VFile* vf = VFileMemChunk(sram, size);
564	if (!vf) {
565		return false;
566	}
567	struct GBA* gba = core->board;
568	bool success = true;
569	if (writeback) {
570		success = GBASavedataLoad(&gba->memory.savedata, vf);
571		vf->close(vf);
572	} else {
573		GBASavedataMask(&gba->memory.savedata, vf, true);
574	}
575	return success;
576}
577
578struct mCore* GBACoreCreate(void) {
579	struct GBACore* gbacore = malloc(sizeof(*gbacore));
580	struct mCore* core = &gbacore->d;
581	memset(&core->opts, 0, sizeof(core->opts));
582	core->cpu = NULL;
583	core->board = NULL;
584	core->debugger = NULL;
585	core->init = _GBACoreInit;
586	core->deinit = _GBACoreDeinit;
587	core->platform = _GBACorePlatform;
588	core->setSync = _GBACoreSetSync;
589	core->loadConfig = _GBACoreLoadConfig;
590	core->desiredVideoDimensions = _GBACoreDesiredVideoDimensions;
591	core->setVideoBuffer = _GBACoreSetVideoBuffer;
592	core->getPixels = _GBACoreGetPixels;
593	core->putPixels = _GBACorePutPixels;
594	core->getAudioChannel = _GBACoreGetAudioChannel;
595	core->setAudioBufferSize = _GBACoreSetAudioBufferSize;
596	core->getAudioBufferSize = _GBACoreGetAudioBufferSize;
597	core->addCoreCallbacks = _GBACoreAddCoreCallbacks;
598	core->clearCoreCallbacks = _GBACoreClearCoreCallbacks;
599	core->setAVStream = _GBACoreSetAVStream;
600	core->isROM = GBAIsROM;
601	core->loadROM = _GBACoreLoadROM;
602	core->loadBIOS = _GBACoreLoadBIOS;
603	core->loadSave = _GBACoreLoadSave;
604	core->loadTemporarySave = _GBACoreLoadTemporarySave;
605	core->loadPatch = _GBACoreLoadPatch;
606	core->unloadROM = _GBACoreUnloadROM;
607	core->checksum = _GBACoreChecksum;
608	core->reset = _GBACoreReset;
609	core->runFrame = _GBACoreRunFrame;
610	core->runLoop = _GBACoreRunLoop;
611	core->step = _GBACoreStep;
612	core->stateSize = _GBACoreStateSize;
613	core->loadState = _GBACoreLoadState;
614	core->saveState = _GBACoreSaveState;
615	core->setKeys = _GBACoreSetKeys;
616	core->addKeys = _GBACoreAddKeys;
617	core->clearKeys = _GBACoreClearKeys;
618	core->frameCounter = _GBACoreFrameCounter;
619	core->frameCycles = _GBACoreFrameCycles;
620	core->frequency = _GBACoreFrequency;
621	core->getGameTitle = _GBACoreGetGameTitle;
622	core->getGameCode = _GBACoreGetGameCode;
623	core->setRTC = _GBACoreSetRTC;
624	core->setRotation = _GBACoreSetRotation;
625	core->setRumble = _GBACoreSetRumble;
626	core->busRead8 = _GBACoreBusRead8;
627	core->busRead16 = _GBACoreBusRead16;
628	core->busRead32 = _GBACoreBusRead32;
629	core->busWrite8 = _GBACoreBusWrite8;
630	core->busWrite16 = _GBACoreBusWrite16;
631	core->busWrite32 = _GBACoreBusWrite32;
632	core->rawRead8 = _GBACoreRawRead8;
633	core->rawRead16 = _GBACoreRawRead16;
634	core->rawRead32 = _GBACoreRawRead32;
635	core->rawWrite8 = _GBACoreRawWrite8;
636	core->rawWrite16 = _GBACoreRawWrite16;
637	core->rawWrite32 = _GBACoreRawWrite32;
638#ifdef USE_DEBUGGERS
639	core->supportsDebuggerType = _GBACoreSupportsDebuggerType;
640	core->debuggerPlatform = _GBACoreDebuggerPlatform;
641	core->cliDebuggerSystem = _GBACoreCliDebuggerSystem;
642	core->attachDebugger = _GBACoreAttachDebugger;
643	core->detachDebugger = _GBACoreDetachDebugger;
644#endif
645	core->cheatDevice = _GBACoreCheatDevice;
646	core->savedataClone = _GBACoreSavedataClone;
647	core->savedataRestore = _GBACoreSavedataRestore;
648	return core;
649}