all repos — mgba @ a05d97a85cc95b935f1b0cf22cf1287239b9b9f6

mGBA Game Boy Advance Emulator

src/ds/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/ds/core.h>
  7
  8#include <mgba/core/cheats.h>
  9#include <mgba/core/core.h>
 10#include <mgba/core/log.h>
 11#include <mgba/internal/arm/debugger/debugger.h>
 12#include <mgba/internal/ds/ds.h>
 13#include <mgba/internal/ds/extra/cli.h>
 14#include <mgba/internal/ds/gx/software.h>
 15#include <mgba/internal/ds/input.h>
 16#include <mgba/internal/ds/renderers/software.h>
 17#include <mgba-util/memory.h>
 18#include <mgba-util/patch.h>
 19#include <mgba-util/vfs.h>
 20
 21const static struct mCoreChannelInfo _DSVideoLayers[] = {
 22	{ 0, "abg0", "A BG0", "2D/3D" },
 23	{ 1, "abg1", "A BG1", NULL },
 24	{ 2, "abg2", "A BG2", NULL },
 25	{ 3, "abg3", "A BG3", NULL },
 26	{ 4, "aobj", "A OBJ", NULL },
 27	{ 5, "bbg0", "B BG0", "2D/3D" },
 28	{ 6, "bbg1", "B BG1", NULL },
 29	{ 7, "bbg2", "B BG2", NULL },
 30	{ 8, "bbg3", "B BG3", NULL },
 31	{ 9, "bobj", "B OBJ", NULL },
 32};
 33
 34const static struct mCoreChannelInfo _DSAudioChannels[] = {
 35	{ 0, "ch00", "Channel 0", NULL },
 36	{ 1, "ch01", "Channel 1", NULL },
 37	{ 2, "ch02", "Channel 2", NULL },
 38	{ 3, "ch03", "Channel 3", NULL },
 39	{ 4, "ch04", "Channel 4", NULL },
 40	{ 5, "ch05", "Channel 5", NULL },
 41	{ 6, "ch06", "Channel 6", NULL },
 42	{ 7, "ch07", "Channel 7", NULL },
 43	{ 8, "ch08", "Channel 8", NULL },
 44	{ 9, "ch09", "Channel 9", NULL },
 45	{ 10, "ch10", "Channel 10", NULL },
 46	{ 11, "ch11", "Channel 11", NULL },
 47	{ 12, "ch12", "Channel 12", NULL },
 48	{ 13, "ch13", "Channel 13", NULL },
 49	{ 14, "ch14", "Channel 14", NULL },
 50	{ 15, "ch15", "Channel 15", NULL },
 51};
 52
 53struct DSCore {
 54	struct mCore d;
 55	struct ARMCore* arm7;
 56	struct ARMCore* arm9;
 57	struct DSVideoSoftwareRenderer renderer;
 58	struct DSGXSoftwareRenderer gxRenderer;
 59	int keys;
 60	int cursorX;
 61	int cursorY;
 62	bool touchDown;
 63	struct mCPUComponent* components[CPU_COMPONENT_MAX];
 64	struct mDebuggerPlatform* debuggerPlatform;
 65	struct mCheatDevice* cheatDevice;
 66};
 67
 68static bool _DSCoreInit(struct mCore* core) {
 69	struct DSCore* dscore = (struct DSCore*) core;
 70
 71	struct ARMCore* arm7 = anonymousMemoryMap(sizeof(struct ARMCore));
 72	struct ARMCore* arm9 = anonymousMemoryMap(sizeof(struct ARMCore));
 73	struct DS* ds = anonymousMemoryMap(sizeof(struct DS));
 74	if (!arm7 || !arm9 || !ds) {
 75		free(arm7);
 76		free(arm9);
 77		free(ds);
 78		return false;
 79	}
 80	core->cpu = arm9;
 81	core->board = ds;
 82	core->debugger = NULL;
 83	dscore->arm7 = arm7;
 84	dscore->arm9 = arm9;
 85	dscore->debuggerPlatform = NULL;
 86	dscore->cheatDevice = NULL;
 87
 88	DSCreate(ds);
 89	memset(dscore->components, 0, sizeof(dscore->components));
 90	ARMSetComponents(arm7, &ds->d, CPU_COMPONENT_MAX, dscore->components);
 91	ARMSetComponents(arm9, &ds->d, CPU_COMPONENT_MAX, dscore->components);
 92	ARMInit(arm7);
 93	ARMInit(arm9);
 94
 95	DSVideoSoftwareRendererCreate(&dscore->renderer);
 96	DSGXSoftwareRendererCreate(&dscore->gxRenderer);
 97	dscore->renderer.outputBuffer = NULL;
 98
 99	dscore->keys = 0;
100	ds->keySource = &dscore->keys;
101	dscore->cursorX = 0;
102	ds->cursorSourceX = &dscore->cursorX;
103	dscore->cursorY = 0;
104	ds->cursorSourceY = &dscore->cursorY;
105	dscore->touchDown = false;
106	ds->touchSource = &dscore->touchDown;
107
108#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
109	mDirectorySetInit(&core->dirs);
110#endif
111
112#ifndef MINIMAL_CORE
113	core->inputInfo = &DSInputInfo; // TODO: GBInputInfo
114#endif
115
116	return true;
117}
118
119static void _DSCoreDeinit(struct mCore* core) {
120	struct DSCore* dscore = (struct DSCore*) core;
121	ARMDeinit(dscore->arm7);
122	ARMDeinit(dscore->arm9);
123	DSDestroy(core->board);
124	mappedMemoryFree(dscore->arm7, sizeof(struct ARMCore));
125	mappedMemoryFree(dscore->arm9, sizeof(struct ARMCore));
126	mappedMemoryFree(core->board, sizeof(struct DS));
127#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
128	mDirectorySetDeinit(&core->dirs);
129#endif
130
131	free(dscore->debuggerPlatform);
132	if (dscore->cheatDevice) {
133		mCheatDeviceDestroy(dscore->cheatDevice);
134	}
135	free(dscore->cheatDevice);
136	free(core);
137}
138
139static enum mPlatform _DSCorePlatform(const struct mCore* core) {
140	UNUSED(core);
141	return PLATFORM_DS;
142}
143
144static void _DSCoreSetSync(struct mCore* core, struct mCoreSync* sync) {
145	struct DS* ds = core->board;
146	ds->sync = sync;
147}
148
149static void _DSCoreLoadConfig(struct mCore* core, const struct mCoreConfig* config) {
150	struct DS* ds = core->board;
151	struct VFile* bios = NULL;
152
153	mCoreConfigCopyValue(&core->config, config, "ds.bios7");
154	mCoreConfigCopyValue(&core->config, config, "ds.bios9");
155	mCoreConfigCopyValue(&core->config, config, "ds.firmware");
156}
157
158static void _DSCoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
159	UNUSED(core);
160	*width = DS_VIDEO_HORIZONTAL_PIXELS;
161	*height = DS_VIDEO_VERTICAL_PIXELS * 2;
162}
163
164static void _DSCoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
165	struct DSCore* dscore = (struct DSCore*) core;
166	dscore->renderer.outputBuffer = buffer;
167	dscore->renderer.outputBufferStride = stride;
168}
169
170static void _DSCoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
171	struct DSCore* dscore = (struct DSCore*) core;
172	dscore->renderer.d.getPixels(&dscore->renderer.d, stride, buffer);
173}
174
175static void _DSCorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
176	struct DSCore* dscore = (struct DSCore*) core;
177	dscore->renderer.d.putPixels(&dscore->renderer.d, stride, buffer);
178}
179
180static struct blip_t* _DSCoreGetAudioChannel(struct mCore* core, int ch) {
181	struct DS* ds = core->board;
182	switch (ch) {
183	case 0:
184		return ds->audio.left;
185	case 1:
186		return ds->audio.right;
187	default:
188		return NULL;
189	}
190}
191
192static void _DSCoreSetAudioBufferSize(struct mCore* core, size_t samples) {
193	struct DS* ds = core->board;
194	DSAudioResizeBuffer(&ds->audio, samples);
195}
196
197static size_t _DSCoreGetAudioBufferSize(struct mCore* core) {
198	struct DS* ds = core->board;
199	return ds->audio.samples;
200}
201
202static void _DSCoreAddCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
203	struct DS* ds = core->board;
204	*mCoreCallbacksListAppend(&ds->coreCallbacks) = *coreCallbacks;
205}
206
207static void _DSCoreClearCoreCallbacks(struct mCore* core) {
208	struct DS* ds = core->board;
209	mCoreCallbacksListClear(&ds->coreCallbacks);
210}
211
212static void _DSCoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
213	struct DS* ds = core->board;
214	ds->stream = stream;
215	if (stream && stream->videoDimensionsChanged) {
216		stream->videoDimensionsChanged(stream, DS_VIDEO_HORIZONTAL_PIXELS, DS_VIDEO_VERTICAL_PIXELS * 2);
217	}
218}
219
220static bool _DSCoreLoadROM(struct mCore* core, struct VFile* vf) {
221	return DSLoadROM(core->board, vf);
222}
223
224static bool _DSCoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
225	UNUSED(type);
226	return DSLoadBIOS(core->board, vf);
227}
228
229static bool _DSCoreLoadSave(struct mCore* core, struct VFile* vf) {
230	return DSLoadSave(core->board, vf);
231}
232
233static bool _DSCoreLoadPatch(struct mCore* core, struct VFile* vf) {
234	return false;
235}
236
237static void _DSCoreUnloadROM(struct mCore* core) {
238	return DSUnloadROM(core->board);
239}
240
241static void _DSCoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
242}
243
244static void _DSCoreReset(struct mCore* core) {
245	struct DSCore* dscore = (struct DSCore*) core;
246	struct DS* ds = (struct DS*) core->board;
247
248	if (dscore->renderer.outputBuffer) {
249		struct DSVideoRenderer* renderer = &dscore->renderer.d;
250		DSVideoAssociateRenderer(&ds->video, renderer);
251
252		struct DSGXRenderer* gxRenderer = &dscore->gxRenderer.d;
253		DSGXAssociateRenderer(&ds->gx, gxRenderer);
254	}
255
256#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
257	struct VFile* bios7 = NULL;
258	struct VFile* bios9 = NULL;
259	struct VFile* firm = NULL;
260	if (core->opts.useBios) {
261		bool found7 = false;
262		bool found9 = false;
263		bool foundFirm = false;
264
265		if (!found7) {
266			const char* configPath = mCoreConfigGetValue(&core->config, "ds.bios7");
267			bios7 = VFileOpen(configPath, O_RDONLY);
268			if (bios7 && DSIsBIOS7(bios7)) {
269				found7 = true;
270			} else if (bios7) {
271				bios7->close(bios7);
272				bios7 = NULL;
273			}
274		}
275
276		if (!found9) {
277			const char* configPath = mCoreConfigGetValue(&core->config, "ds.bios9");
278			bios9 = VFileOpen(configPath, O_RDONLY);
279			if (bios9 && DSIsBIOS9(bios9)) {
280				found9 = true;
281			} else if (bios9) {
282				bios9->close(bios9);
283				bios9 = NULL;
284			}
285		}
286
287		if (!foundFirm) {
288			const char* configPath = mCoreConfigGetValue(&core->config, "ds.firmware");
289			firm = VFileOpen(configPath, O_RDONLY);
290			if (firm && DSIsFirmware(firm)) {
291				foundFirm = true;
292			} else if (firm) {
293				firm->close(firm);
294				firm = NULL;
295			}
296		}
297
298		if (!found7) {
299			char path[PATH_MAX];
300			mCoreConfigDirectory(path, PATH_MAX);
301			strncat(path, PATH_SEP "ds7_bios.bin", PATH_MAX - strlen(path));
302			bios7 = VFileOpen(path, O_RDONLY);
303		}
304
305		if (!found9) {
306			char path[PATH_MAX];
307			mCoreConfigDirectory(path, PATH_MAX);
308			strncat(path, PATH_SEP "ds9_bios.bin", PATH_MAX - strlen(path));
309			bios9 = VFileOpen(path, O_RDONLY);
310		}
311
312		if (!foundFirm) {
313			char path[PATH_MAX];
314			mCoreConfigDirectory(path, PATH_MAX);
315			strncat(path, PATH_SEP "ds_firmware.bin", PATH_MAX - strlen(path));
316			firm = VFileOpen(path, O_RDWR);
317		}
318	}
319	if (bios7) {
320		DSLoadBIOS(ds, bios7);
321	}
322	if (bios9) {
323		DSLoadBIOS(ds, bios9);
324	}
325	if (firm) {
326		DSLoadFirmware(ds, firm);
327	}
328#endif
329
330	ARMReset(ds->ds7.cpu);
331	ARMReset(ds->ds9.cpu);
332}
333
334static void _DSCoreRunFrame(struct mCore* core) {
335	struct DSCore* dscore = (struct DSCore*) core;
336	struct DS* ds = core->board;
337	int32_t frameCounter = ds->video.frameCounter;
338	while (ds->video.frameCounter == frameCounter) {
339		DSRunLoop(core->board);
340	}
341}
342
343static void _DSCoreRunLoop(struct mCore* core) {
344	DSRunLoop(core->board);
345}
346
347static void _DSCoreStep(struct mCore* core) {
348	struct DSCore* dscore = (struct DSCore*) core;
349	if (core->cpu == dscore->arm9) {
350		DS9Step(core->board);
351	} else {
352		DS7Step(core->board);
353	}
354}
355
356static size_t _DSCoreStateSize(struct mCore* core) {
357	UNUSED(core);
358	return 0;
359}
360
361static bool _DSCoreLoadState(struct mCore* core, const void* state) {
362	return false;
363}
364
365static bool _DSCoreSaveState(struct mCore* core, void* state) {
366	return false;
367}
368
369static void _DSCoreSetKeys(struct mCore* core, uint32_t keys) {
370	struct DSCore* dscore = (struct DSCore*) core;
371	dscore->keys = keys;
372}
373
374static void _DSCoreAddKeys(struct mCore* core, uint32_t keys) {
375	struct DSCore* dscore = (struct DSCore*) core;
376	dscore->keys |= keys;
377}
378
379static void _DSCoreClearKeys(struct mCore* core, uint32_t keys) {
380	struct DSCore* dscore = (struct DSCore*) core;
381	dscore->keys &= ~keys;
382}
383
384static void _DSCoreSetCursorLocation(struct mCore* core, int x, int y) {
385	struct DSCore* dscore = (struct DSCore*) core;
386	dscore->cursorX = x;
387	dscore->cursorY = y - DS_VIDEO_VERTICAL_PIXELS;
388	if (dscore->cursorY < 0) {
389		dscore->cursorY = 0;
390	} else if (dscore->cursorY >= DS_VIDEO_VERTICAL_PIXELS) {
391		dscore->cursorY = DS_VIDEO_VERTICAL_PIXELS - 1;
392	}
393	if (dscore->cursorX < 0) {
394		dscore->cursorX = 0;
395	} else if (dscore->cursorX >= DS_VIDEO_HORIZONTAL_PIXELS) {
396		dscore->cursorX = DS_VIDEO_HORIZONTAL_PIXELS - 1;
397	}
398}
399
400static void _DSCoreSetCursorDown(struct mCore* core, bool down) {
401	struct DSCore* dscore = (struct DSCore*) core;
402	dscore->touchDown = down;
403}
404
405static int32_t _DSCoreFrameCounter(const struct mCore* core) {
406	struct DS* ds = core->board;
407	return ds->video.frameCounter;
408}
409
410static int32_t _DSCoreFrameCycles(const struct mCore* core) {
411	UNUSED(core);
412	return DS_VIDEO_TOTAL_LENGTH;
413}
414
415static int32_t _DSCoreFrequency(const struct mCore* core) {
416	UNUSED(core);
417	return DS_ARM946ES_FREQUENCY;
418}
419
420static void _DSCoreGetGameTitle(const struct mCore* core, char* title) {
421	DSGetGameTitle(core->board, title);
422}
423
424static void _DSCoreGetGameCode(const struct mCore* core, char* title) {
425	DSGetGameCode(core->board, title);
426}
427
428static void _DSCoreSetPeripheral(struct mCore* core, int type, void* periph) {
429	struct DS* ds = core->board;
430	switch (type) {
431	case mPERIPH_RUMBLE:
432		ds->rumble = periph;
433		break;
434	default:
435		break;
436	}
437}
438
439static uint32_t _DSCoreBusRead8(struct mCore* core, uint32_t address) {
440	struct ARMCore* cpu = core->cpu;
441	return cpu->memory.load8(cpu, address, 0);
442}
443
444static uint32_t _DSCoreBusRead16(struct mCore* core, uint32_t address) {
445	struct ARMCore* cpu = core->cpu;
446	return cpu->memory.load16(cpu, address, 0);
447
448}
449
450static uint32_t _DSCoreBusRead32(struct mCore* core, uint32_t address) {
451	struct ARMCore* cpu = core->cpu;
452	return cpu->memory.load32(cpu, address, 0);
453}
454
455static void _DSCoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
456	struct ARMCore* cpu = core->cpu;
457	cpu->memory.store8(cpu, address, value, 0);
458}
459
460static void _DSCoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
461	struct ARMCore* cpu = core->cpu;
462	cpu->memory.store16(cpu, address, value, 0);
463}
464
465static void _DSCoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
466	struct ARMCore* cpu = core->cpu;
467	cpu->memory.store32(cpu, address, value, 0);
468}
469
470static uint32_t _DSCoreRawRead8(struct mCore* core, uint32_t address, int segment) {
471	// TODO: Raw
472	struct ARMCore* cpu = core->cpu;
473	return cpu->memory.load8(cpu, address, 0);
474}
475
476static uint32_t _DSCoreRawRead16(struct mCore* core, uint32_t address, int segment) {
477	// TODO: Raw
478	struct ARMCore* cpu = core->cpu;
479	return cpu->memory.load16(cpu, address, 0);
480}
481
482static uint32_t _DSCoreRawRead32(struct mCore* core, uint32_t address, int segment) {
483	// TODO: Raw
484	struct ARMCore* cpu = core->cpu;
485	return cpu->memory.load32(cpu, address, 0);
486}
487
488static void _DSCoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
489}
490
491static void _DSCoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
492}
493
494static void _DSCoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
495}
496
497#ifdef USE_DEBUGGERS
498static bool _DSCoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
499	UNUSED(core);
500	switch (type) {
501	case DEBUGGER_CLI:
502		return true;
503#ifdef USE_GDB_STUB
504	case DEBUGGER_GDB:
505		return true;
506#endif
507	default:
508		return false;
509	}
510}
511
512static struct mDebuggerPlatform* _DSCoreDebuggerPlatform(struct mCore* core) {
513	struct DSCore* dscore = (struct DSCore*) core;
514	if (!dscore->debuggerPlatform) {
515		dscore->debuggerPlatform = ARMDebuggerPlatformCreate();
516	}
517	return dscore->debuggerPlatform;
518}
519
520static struct CLIDebuggerSystem* _DSCoreCliDebuggerSystem(struct mCore* core) {
521	return &DSCLIDebuggerCreate(core)->d;
522}
523
524static void _DSCoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
525	if (core->debugger) {
526		DSDetachDebugger(core->board);
527	}
528	DSAttachDebugger(core->board, debugger);
529	core->debugger = debugger;
530}
531
532static void _DSCoreDetachDebugger(struct mCore* core) {
533	DSDetachDebugger(core->board);
534	core->debugger = NULL;
535}
536#endif
537
538static struct mCheatDevice* _DSCoreCheatDevice(struct mCore* core) {
539	return NULL;
540}
541
542static size_t _DSCoreSavedataClone(struct mCore* core, void** sram) {
543	return 0;
544}
545
546static bool _DSCoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
547	return false;
548}
549
550static size_t _DSCoreListVideoLayers(const struct mCore* core, const struct mCoreChannelInfo** info) {
551	UNUSED(core);
552	*info = _DSVideoLayers;
553	return sizeof(_DSVideoLayers) / sizeof(*_DSVideoLayers);
554}
555
556static size_t _DSCoreListAudioChannels(const struct mCore* core, const struct mCoreChannelInfo** info) {
557	UNUSED(core);
558	*info = _DSAudioChannels;
559	return sizeof(_DSAudioChannels) / sizeof(*_DSAudioChannels);
560}
561
562static void _DSCoreEnableVideoLayer(struct mCore* core, size_t id, bool enable) {
563	struct DS* ds = core->board;
564	// TODO
565}
566
567static void _DSCoreEnableAudioChannel(struct mCore* core, size_t id, bool enable) {
568	struct DS* ds = core->board;
569}
570
571struct mCore* DSCoreCreate(void) {
572	struct DSCore* dscore = malloc(sizeof(*dscore));
573	struct mCore* core = &dscore->d;
574	memset(&core->opts, 0, sizeof(core->opts));
575	core->cpu = NULL;
576	core->board = NULL;
577	core->debugger = NULL;
578	core->init = _DSCoreInit;
579	core->deinit = _DSCoreDeinit;
580	core->platform = _DSCorePlatform;
581	core->setSync = _DSCoreSetSync;
582	core->loadConfig = _DSCoreLoadConfig;
583	core->desiredVideoDimensions = _DSCoreDesiredVideoDimensions;
584	core->setVideoBuffer = _DSCoreSetVideoBuffer;
585	core->getPixels = _DSCoreGetPixels;
586	core->putPixels = _DSCorePutPixels;
587	core->getAudioChannel = _DSCoreGetAudioChannel;
588	core->setAudioBufferSize = _DSCoreSetAudioBufferSize;
589	core->getAudioBufferSize = _DSCoreGetAudioBufferSize;
590	core->addCoreCallbacks = _DSCoreAddCoreCallbacks;
591	core->clearCoreCallbacks = _DSCoreClearCoreCallbacks;
592	core->setAVStream = _DSCoreSetAVStream;
593	core->isROM = DSIsROM;
594	core->loadROM = _DSCoreLoadROM;
595	core->loadBIOS = _DSCoreLoadBIOS;
596	core->loadSave = _DSCoreLoadSave;
597	core->loadPatch = _DSCoreLoadPatch;
598	core->unloadROM = _DSCoreUnloadROM;
599	core->checksum = _DSCoreChecksum;
600	core->reset = _DSCoreReset;
601	core->runFrame = _DSCoreRunFrame;
602	core->runLoop = _DSCoreRunLoop;
603	core->step = _DSCoreStep;
604	core->stateSize = _DSCoreStateSize;
605	core->loadState = _DSCoreLoadState;
606	core->saveState = _DSCoreSaveState;
607	core->setKeys = _DSCoreSetKeys;
608	core->addKeys = _DSCoreAddKeys;
609	core->clearKeys = _DSCoreClearKeys;
610	core->setCursorLocation = _DSCoreSetCursorLocation;
611	core->setCursorDown = _DSCoreSetCursorDown;
612	core->frameCounter = _DSCoreFrameCounter;
613	core->frameCycles = _DSCoreFrameCycles;
614	core->frequency = _DSCoreFrequency;
615	core->getGameTitle = _DSCoreGetGameTitle;
616	core->getGameCode = _DSCoreGetGameCode;
617	core->setPeripheral = _DSCoreSetPeripheral;
618	core->busRead8 = _DSCoreBusRead8;
619	core->busRead16 = _DSCoreBusRead16;
620	core->busRead32 = _DSCoreBusRead32;
621	core->busWrite8 = _DSCoreBusWrite8;
622	core->busWrite16 = _DSCoreBusWrite16;
623	core->busWrite32 = _DSCoreBusWrite32;
624	core->rawRead8 = _DSCoreRawRead8;
625	core->rawRead16 = _DSCoreRawRead16;
626	core->rawRead32 = _DSCoreRawRead32;
627	core->rawWrite8 = _DSCoreRawWrite8;
628	core->rawWrite16 = _DSCoreRawWrite16;
629	core->rawWrite32 = _DSCoreRawWrite32;
630#ifdef USE_DEBUGGERS
631	core->supportsDebuggerType = _DSCoreSupportsDebuggerType;
632	core->debuggerPlatform = _DSCoreDebuggerPlatform;
633	core->cliDebuggerSystem = _DSCoreCliDebuggerSystem;
634	core->attachDebugger = _DSCoreAttachDebugger;
635	core->detachDebugger = _DSCoreDetachDebugger;
636#endif
637	core->cheatDevice = _DSCoreCheatDevice;
638	core->savedataClone = _DSCoreSavedataClone;
639	core->savedataRestore = _DSCoreSavedataRestore;
640	core->listVideoLayers = _DSCoreListVideoLayers;
641	core->listAudioChannels = _DSCoreListAudioChannels;
642	core->enableVideoLayer = _DSCoreEnableVideoLayer;
643	core->enableAudioChannel = _DSCoreEnableAudioChannel;
644	return core;
645}