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