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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
 25#ifndef MINIMAL_CORE
 26#include <mgba/internal/gba/input.h>
 27#endif
 28
 29struct GBACore {
 30	struct mCore d;
 31	struct GBAVideoSoftwareRenderer renderer;
 32#ifndef DISABLE_THREADING
 33	struct GBAVideoThreadProxyRenderer threadProxy;
 34	int threadedVideo;
 35#endif
 36	int keys;
 37	struct mCPUComponent* components[CPU_COMPONENT_MAX];
 38	const struct Configuration* overrides;
 39	struct mDebuggerPlatform* debuggerPlatform;
 40	struct mCheatDevice* cheatDevice;
 41};
 42
 43static bool _GBACoreInit(struct mCore* core) {
 44	struct GBACore* gbacore = (struct GBACore*) core;
 45
 46	struct ARMCore* cpu = anonymousMemoryMap(sizeof(struct ARMCore));
 47	struct GBA* gba = anonymousMemoryMap(sizeof(struct GBA));
 48	if (!cpu || !gba) {
 49		free(cpu);
 50		free(gba);
 51		return false;
 52	}
 53	core->cpu = cpu;
 54	core->board = gba;
 55	core->debugger = NULL;
 56	gbacore->overrides = NULL;
 57	gbacore->debuggerPlatform = NULL;
 58	gbacore->cheatDevice = NULL;
 59
 60	GBACreate(gba);
 61	// TODO: Restore cheats
 62	memset(gbacore->components, 0, sizeof(gbacore->components));
 63	ARMSetComponents(cpu, &gba->d, CPU_COMPONENT_MAX, gbacore->components);
 64	ARMInit(cpu);
 65
 66	GBAVideoSoftwareRendererCreate(&gbacore->renderer);
 67	gbacore->renderer.outputBuffer = NULL;
 68
 69#ifndef DISABLE_THREADING
 70	gbacore->threadedVideo = false;
 71	GBAVideoThreadProxyRendererCreate(&gbacore->threadProxy, &gbacore->renderer.d);
 72#endif
 73
 74	gbacore->keys = 0;
 75	gba->keySource = &gbacore->keys;
 76
 77#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
 78	mDirectorySetInit(&core->dirs);
 79#endif
 80
 81#ifndef MINIMAL_CORE
 82	core->inputInfo = &GBAInputInfo;
 83#endif
 84	
 85	return true;
 86}
 87
 88static void _GBACoreDeinit(struct mCore* core) {
 89	ARMDeinit(core->cpu);
 90	GBADestroy(core->board);
 91	mappedMemoryFree(core->cpu, sizeof(struct ARMCore));
 92	mappedMemoryFree(core->board, sizeof(struct GBA));
 93#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
 94	mDirectorySetDeinit(&core->dirs);
 95#endif
 96
 97	struct GBACore* gbacore = (struct GBACore*) core;
 98	free(gbacore->debuggerPlatform);
 99	if (gbacore->cheatDevice) {
100		mCheatDeviceDestroy(gbacore->cheatDevice);
101	}
102	free(gbacore->cheatDevice);
103	mCoreConfigFreeOpts(&core->opts);
104	free(core);
105}
106
107static enum mPlatform _GBACorePlatform(const struct mCore* core) {
108	UNUSED(core);
109	return PLATFORM_GBA;
110}
111
112static void _GBACoreSetSync(struct mCore* core, struct mCoreSync* sync) {
113	struct GBA* gba = core->board;
114	gba->sync = sync;
115}
116
117static void _GBACoreLoadConfig(struct mCore* core, const struct mCoreConfig* config) {
118	struct GBA* gba = core->board;
119	if (core->opts.mute) {
120		gba->audio.masterVolume = 0;
121	} else {
122		gba->audio.masterVolume = core->opts.volume;
123	}
124	gba->video.frameskip = core->opts.frameskip;
125
126#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
127	struct GBACore* gbacore = (struct GBACore*) core;
128	gbacore->overrides = mCoreConfigGetOverridesConst(config);
129#endif
130
131	const char* idleOptimization = mCoreConfigGetValue(config, "idleOptimization");
132	if (idleOptimization) {
133		if (strcasecmp(idleOptimization, "ignore") == 0) {
134			gba->idleOptimization = IDLE_LOOP_IGNORE;
135		} else if (strcasecmp(idleOptimization, "remove") == 0) {
136			gba->idleOptimization = IDLE_LOOP_REMOVE;
137		} else if (strcasecmp(idleOptimization, "detect") == 0) {
138			if (gba->idleLoop == IDLE_LOOP_NONE) {
139				gba->idleOptimization = IDLE_LOOP_DETECT;
140			} else {
141				gba->idleOptimization = IDLE_LOOP_REMOVE;
142			}
143		}
144	}
145
146	mCoreConfigCopyValue(&core->config, config, "gba.bios");
147
148#ifndef DISABLE_THREADING
149	mCoreConfigGetIntValue(config, "threadedVideo", &gbacore->threadedVideo);
150#endif
151}
152
153static void _GBACoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
154	UNUSED(core);
155	*width = VIDEO_HORIZONTAL_PIXELS;
156	*height = VIDEO_VERTICAL_PIXELS;
157}
158
159static void _GBACoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
160	struct GBACore* gbacore = (struct GBACore*) core;
161	gbacore->renderer.outputBuffer = buffer;
162	gbacore->renderer.outputBufferStride = stride;
163}
164
165static void _GBACoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
166	struct GBACore* gbacore = (struct GBACore*) core;
167	gbacore->renderer.d.getPixels(&gbacore->renderer.d, stride, buffer);
168}
169
170static void _GBACorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
171	struct GBACore* gbacore = (struct GBACore*) core;
172	gbacore->renderer.d.putPixels(&gbacore->renderer.d, stride, buffer);
173}
174
175static struct blip_t* _GBACoreGetAudioChannel(struct mCore* core, int ch) {
176	struct GBA* gba = core->board;
177	switch (ch) {
178	case 0:
179		return gba->audio.psg.left;
180	case 1:
181		return gba->audio.psg.right;
182	default:
183		return NULL;
184	}
185}
186
187static void _GBACoreSetAudioBufferSize(struct mCore* core, size_t samples) {
188	struct GBA* gba = core->board;
189	GBAAudioResizeBuffer(&gba->audio, samples);
190}
191
192static size_t _GBACoreGetAudioBufferSize(struct mCore* core) {
193	struct GBA* gba = core->board;
194	return gba->audio.samples;
195}
196
197static void _GBACoreSetCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
198	struct GBA* gba = core->board;
199	gba->coreCallbacks = coreCallbacks;
200}
201
202static void _GBACoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
203	struct GBA* gba = core->board;
204	gba->stream = stream;
205	if (stream && stream->videoDimensionsChanged) {
206		stream->videoDimensionsChanged(stream, VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
207	}
208}
209
210static bool _GBACoreLoadROM(struct mCore* core, struct VFile* vf) {
211	if (GBAIsMB(vf)) {
212		return GBALoadMB(core->board, vf);
213	}
214	return GBALoadROM(core->board, vf);
215}
216
217static bool _GBACoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
218	UNUSED(type);
219	if (!GBAIsBIOS(vf)) {
220		return false;
221	}
222	GBALoadBIOS(core->board, vf);
223	return true;
224}
225
226static bool _GBACoreLoadSave(struct mCore* core, struct VFile* vf) {
227	return GBALoadSave(core->board, vf);
228}
229
230static bool _GBACoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
231	struct GBA* gba = core->board;
232	GBASavedataMask(&gba->memory.savedata, vf, false);
233	return true; // TODO: Return a real value
234}
235
236static bool _GBACoreLoadPatch(struct mCore* core, struct VFile* vf) {
237	if (!vf) {
238		return false;
239	}
240	struct Patch patch;
241	if (!loadPatch(vf, &patch)) {
242		return false;
243	}
244	GBAApplyPatch(core->board, &patch);
245	return true;
246}
247
248static void _GBACoreUnloadROM(struct mCore* core) {
249	struct GBACore* gbacore = (struct GBACore*) core;
250	struct ARMCore* cpu = core->cpu;
251	if (gbacore->cheatDevice) {
252		ARMHotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
253		cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
254		mCheatDeviceDestroy(gbacore->cheatDevice);
255		gbacore->cheatDevice = NULL;
256	}
257	return GBAUnloadROM(core->board);
258}
259
260static void _GBACoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
261	struct GBA* gba = (struct GBA*) core->board;
262	switch (type) {
263	case CHECKSUM_CRC32:
264		memcpy(data, &gba->romCrc32, sizeof(gba->romCrc32));
265		break;
266	}
267	return;
268}
269
270static void _GBACoreReset(struct mCore* core) {
271	struct GBACore* gbacore = (struct GBACore*) core;
272	struct GBA* gba = (struct GBA*) core->board;
273	if (gbacore->renderer.outputBuffer) {
274		struct GBAVideoRenderer* renderer = &gbacore->renderer.d;
275#ifndef DISABLE_THREADING
276		if (gbacore->threadedVideo) {
277			renderer = &gbacore->threadProxy.d;
278		}
279#endif
280		GBAVideoAssociateRenderer(&gba->video, renderer);
281	}
282
283	struct GBACartridgeOverride override;
284	const struct GBACartridge* cart = (const struct GBACartridge*) gba->memory.rom;
285	if (cart) {
286		memcpy(override.id, &cart->id, sizeof(override.id));
287		if (GBAOverrideFind(gbacore->overrides, &override)) {
288			GBAOverrideApply(gba, &override);
289		}
290	}
291
292#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
293	if (!gba->biosVf && core->opts.useBios) {
294		struct VFile* bios = NULL;
295		bool found = false;
296		if (core->opts.bios) {
297			bios = VFileOpen(core->opts.bios, O_RDONLY);
298			if (bios && GBAIsBIOS(bios)) {
299				found = true;
300			} else if (bios) {
301				bios->close(bios);
302				bios = NULL;
303			}
304		}
305		if (!found) {
306			const char* configPath = mCoreConfigGetValue(&core->config, "gba.bios");
307			bios = VFileOpen(configPath, O_RDONLY);
308			if (bios && GBAIsBIOS(bios)) {
309				found = true;
310			} else if (bios) {
311				bios->close(bios);
312				bios = NULL;
313			}
314		}
315		if (!found) {
316			char path[PATH_MAX];
317			mCoreConfigDirectory(path, PATH_MAX);
318			strncat(path, PATH_SEP "gba_bios.bin", PATH_MAX - strlen(path));
319			bios = VFileOpen(path, O_RDONLY);
320			if (bios && GBIsBIOS(bios)) {
321				found = true;
322			} else if (bios) {
323				bios->close(bios);
324				bios = NULL;
325			}
326		}
327		if (bios) {
328			GBALoadBIOS(gba, bios);
329		}
330	}
331#endif
332
333	ARMReset(core->cpu);
334	if (core->opts.skipBios && gba->pristineRom) {
335		GBASkipBIOS(core->board);
336	}
337}
338
339static void _GBACoreRunFrame(struct mCore* core) {
340	struct GBA* gba = core->board;
341	int32_t frameCounter = gba->video.frameCounter;
342	while (gba->video.frameCounter == frameCounter) {
343		ARMv4RunLoop(core->cpu);
344	}
345}
346
347static void _GBACoreRunLoop(struct mCore* core) {
348	ARMv4RunLoop(core->cpu);
349}
350
351static void _GBACoreStep(struct mCore* core) {
352	ARMv4Run(core->cpu);
353}
354
355static size_t _GBACoreStateSize(struct mCore* core) {
356	UNUSED(core);
357	return sizeof(struct GBASerializedState);
358}
359
360static bool _GBACoreLoadState(struct mCore* core, const void* state) {
361	return GBADeserialize(core->board, state);
362}
363
364static bool _GBACoreSaveState(struct mCore* core, void* state) {
365	GBASerialize(core->board, state);
366	return true;
367}
368
369static void _GBACoreSetKeys(struct mCore* core, uint32_t keys) {
370	struct GBACore* gbacore = (struct GBACore*) core;
371	gbacore->keys = keys;
372}
373
374static void _GBACoreAddKeys(struct mCore* core, uint32_t keys) {
375	struct GBACore* gbacore = (struct GBACore*) core;
376	gbacore->keys |= keys;
377}
378
379static void _GBACoreClearKeys(struct mCore* core, uint32_t keys) {
380	struct GBACore* gbacore = (struct GBACore*) core;
381	gbacore->keys &= ~keys;
382}
383
384static void _GBACoreSetCursor(struct mCore* core, int x, int y, bool down) {
385	UNUSED(core);
386	UNUSED(x);
387	UNUSED(y);
388	UNUSED(down);
389}
390
391static int32_t _GBACoreFrameCounter(const struct mCore* core) {
392	const struct GBA* gba = core->board;
393	return gba->video.frameCounter;
394}
395
396static int32_t _GBACoreFrameCycles(const struct mCore* core) {
397	UNUSED(core);
398	return VIDEO_TOTAL_LENGTH;
399}
400
401static int32_t _GBACoreFrequency(const struct mCore* core) {
402	UNUSED(core);
403	return GBA_ARM7TDMI_FREQUENCY;
404}
405
406static void _GBACoreGetGameTitle(const struct mCore* core, char* title) {
407	GBAGetGameTitle(core->board, title);
408}
409
410static void _GBACoreGetGameCode(const struct mCore* core, char* title) {
411	GBAGetGameCode(core->board, title);
412}
413
414static void _GBACoreSetRTC(struct mCore* core, struct mRTCSource* rtc) {
415	struct GBA* gba = core->board;
416	gba->rtcSource = rtc;
417}
418
419static void _GBACoreSetRotation(struct mCore* core, struct mRotationSource* rotation) {
420	struct GBA* gba = core->board;
421	gba->rotationSource = rotation;
422}
423
424static void _GBACoreSetRumble(struct mCore* core, struct mRumble* rumble) {
425	struct GBA* gba = core->board;
426	gba->rumble = rumble;
427}
428
429static uint32_t _GBACoreBusRead8(struct mCore* core, uint32_t address) {
430	struct ARMCore* cpu = core->cpu;
431	return cpu->memory.load8(cpu, address, 0);
432}
433
434static uint32_t _GBACoreBusRead16(struct mCore* core, uint32_t address) {
435	struct ARMCore* cpu = core->cpu;
436	return cpu->memory.load16(cpu, address, 0);
437
438}
439
440static uint32_t _GBACoreBusRead32(struct mCore* core, uint32_t address) {
441	struct ARMCore* cpu = core->cpu;
442	return cpu->memory.load32(cpu, address, 0);
443}
444
445static void _GBACoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
446	struct ARMCore* cpu = core->cpu;
447	cpu->memory.store8(cpu, address, value, 0);
448}
449
450static void _GBACoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
451	struct ARMCore* cpu = core->cpu;
452	cpu->memory.store16(cpu, address, value, 0);
453}
454
455static void _GBACoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
456	struct ARMCore* cpu = core->cpu;
457	cpu->memory.store32(cpu, address, value, 0);
458}
459
460static uint32_t _GBACoreRawRead8(struct mCore* core, uint32_t address, int segment) {
461	UNUSED(segment);
462	struct ARMCore* cpu = core->cpu;
463	return GBAView8(cpu, address);
464}
465
466static uint32_t _GBACoreRawRead16(struct mCore* core, uint32_t address, int segment) {
467	UNUSED(segment);
468	struct ARMCore* cpu = core->cpu;
469	return GBAView16(cpu, address);
470}
471
472static uint32_t _GBACoreRawRead32(struct mCore* core, uint32_t address, int segment) {
473	UNUSED(segment);
474	struct ARMCore* cpu = core->cpu;
475	return GBAView32(cpu, address);
476}
477
478static void _GBACoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
479	UNUSED(segment);
480	struct ARMCore* cpu = core->cpu;
481	GBAPatch8(cpu, address, value, NULL);
482}
483
484static void _GBACoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
485	UNUSED(segment);
486	struct ARMCore* cpu = core->cpu;
487	GBAPatch16(cpu, address, value, NULL);
488}
489
490static void _GBACoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
491	UNUSED(segment);
492	struct ARMCore* cpu = core->cpu;
493	GBAPatch32(cpu, address, value, NULL);
494}
495
496#ifdef USE_DEBUGGERS
497static bool _GBACoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
498	UNUSED(core);
499	switch (type) {
500	case DEBUGGER_CLI:
501		return true;
502#ifdef USE_GDB_STUB
503	case DEBUGGER_GDB:
504		return true;
505#endif
506	default:
507		return false;
508	}
509}
510
511static struct mDebuggerPlatform* _GBACoreDebuggerPlatform(struct mCore* core) {
512	struct GBACore* gbacore = (struct GBACore*) core;
513	if (!gbacore->debuggerPlatform) {
514		gbacore->debuggerPlatform = ARMDebuggerPlatformCreate();
515	}
516	return gbacore->debuggerPlatform;
517}
518
519static struct CLIDebuggerSystem* _GBACoreCliDebuggerSystem(struct mCore* core) {
520	return &GBACLIDebuggerCreate(core)->d;
521}
522
523static void _GBACoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
524	if (core->debugger) {
525		GBADetachDebugger(core->board);
526	}
527	GBAAttachDebugger(core->board, debugger);
528	core->debugger = debugger;
529}
530
531static void _GBACoreDetachDebugger(struct mCore* core) {
532	GBADetachDebugger(core->board);
533	core->debugger = NULL;
534}
535#endif
536
537static struct mCheatDevice* _GBACoreCheatDevice(struct mCore* core) {
538	struct GBACore* gbacore = (struct GBACore*) core;
539	if (!gbacore->cheatDevice) {
540		gbacore->cheatDevice = GBACheatDeviceCreate();
541		((struct ARMCore*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbacore->cheatDevice->d;
542		ARMHotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
543		gbacore->cheatDevice->p = core;
544	}
545	return gbacore->cheatDevice;
546}
547
548static size_t _GBACoreSavedataClone(struct mCore* core, void** sram) {
549	struct GBA* gba = core->board;
550	size_t size = GBASavedataSize(&gba->memory.savedata);
551	if (!size) {
552		*sram = NULL;
553		return 0;
554	}
555	*sram = malloc(size);
556	struct VFile* vf = VFileFromMemory(*sram, size);
557	if (!vf) {
558		free(*sram);
559		*sram = NULL;
560		return 0;
561	}
562	bool success = GBASavedataClone(&gba->memory.savedata, vf);
563	vf->close(vf);
564	if (!success) {
565		free(*sram);
566		*sram = NULL;
567		return 0;
568	}
569	return size;
570}
571
572static bool _GBACoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
573	struct VFile* vf = VFileMemChunk(sram, size);
574	if (!vf) {
575		return false;
576	}
577	struct GBA* gba = core->board;
578	bool success = true;
579	if (writeback) {
580		success = GBASavedataLoad(&gba->memory.savedata, vf);
581		vf->close(vf);
582	} else {
583		GBASavedataMask(&gba->memory.savedata, vf, true);
584	}
585	return success;
586}
587
588struct mCore* GBACoreCreate(void) {
589	struct GBACore* gbacore = malloc(sizeof(*gbacore));
590	struct mCore* core = &gbacore->d;
591	memset(&core->opts, 0, sizeof(core->opts));
592	core->cpu = NULL;
593	core->board = NULL;
594	core->debugger = NULL;
595	core->init = _GBACoreInit;
596	core->deinit = _GBACoreDeinit;
597	core->platform = _GBACorePlatform;
598	core->setSync = _GBACoreSetSync;
599	core->loadConfig = _GBACoreLoadConfig;
600	core->desiredVideoDimensions = _GBACoreDesiredVideoDimensions;
601	core->setVideoBuffer = _GBACoreSetVideoBuffer;
602	core->getPixels = _GBACoreGetPixels;
603	core->putPixels = _GBACorePutPixels;
604	core->getAudioChannel = _GBACoreGetAudioChannel;
605	core->setAudioBufferSize = _GBACoreSetAudioBufferSize;
606	core->getAudioBufferSize = _GBACoreGetAudioBufferSize;
607	core->setCoreCallbacks = _GBACoreSetCoreCallbacks;
608	core->setAVStream = _GBACoreSetAVStream;
609	core->isROM = GBAIsROM;
610	core->loadROM = _GBACoreLoadROM;
611	core->loadBIOS = _GBACoreLoadBIOS;
612	core->loadSave = _GBACoreLoadSave;
613	core->loadTemporarySave = _GBACoreLoadTemporarySave;
614	core->loadPatch = _GBACoreLoadPatch;
615	core->unloadROM = _GBACoreUnloadROM;
616	core->checksum = _GBACoreChecksum;
617	core->reset = _GBACoreReset;
618	core->runFrame = _GBACoreRunFrame;
619	core->runLoop = _GBACoreRunLoop;
620	core->step = _GBACoreStep;
621	core->stateSize = _GBACoreStateSize;
622	core->loadState = _GBACoreLoadState;
623	core->saveState = _GBACoreSaveState;
624	core->setKeys = _GBACoreSetKeys;
625	core->addKeys = _GBACoreAddKeys;
626	core->clearKeys = _GBACoreClearKeys;
627	core->setCursor = _GBACoreSetCursor;
628	core->frameCounter = _GBACoreFrameCounter;
629	core->frameCycles = _GBACoreFrameCycles;
630	core->frequency = _GBACoreFrequency;
631	core->getGameTitle = _GBACoreGetGameTitle;
632	core->getGameCode = _GBACoreGetGameCode;
633	core->setRTC = _GBACoreSetRTC;
634	core->setRotation = _GBACoreSetRotation;
635	core->setRumble = _GBACoreSetRumble;
636	core->busRead8 = _GBACoreBusRead8;
637	core->busRead16 = _GBACoreBusRead16;
638	core->busRead32 = _GBACoreBusRead32;
639	core->busWrite8 = _GBACoreBusWrite8;
640	core->busWrite16 = _GBACoreBusWrite16;
641	core->busWrite32 = _GBACoreBusWrite32;
642	core->rawRead8 = _GBACoreRawRead8;
643	core->rawRead16 = _GBACoreRawRead16;
644	core->rawRead32 = _GBACoreRawRead32;
645	core->rawWrite8 = _GBACoreRawWrite8;
646	core->rawWrite16 = _GBACoreRawWrite16;
647	core->rawWrite32 = _GBACoreRawWrite32;
648#ifdef USE_DEBUGGERS
649	core->supportsDebuggerType = _GBACoreSupportsDebuggerType;
650	core->debuggerPlatform = _GBACoreDebuggerPlatform;
651	core->cliDebuggerSystem = _GBACoreCliDebuggerSystem;
652	core->attachDebugger = _GBACoreAttachDebugger;
653	core->detachDebugger = _GBACoreDetachDebugger;
654#endif
655	core->cheatDevice = _GBACoreCheatDevice;
656	core->savedataClone = _GBACoreSavedataClone;
657	core->savedataRestore = _GBACoreSavedataRestore;
658	return core;
659}