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