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
109 int color;
110 if (mCoreConfigGetIntValue(&core->config, "gb.pal[0]", &color)) {
111 GBVideoSetPalette(&gb->video, 0, color);
112 }
113 if (mCoreConfigGetIntValue(&core->config, "gb.pal[1]", &color)) {
114 GBVideoSetPalette(&gb->video, 1, color);
115 }
116 if (mCoreConfigGetIntValue(&core->config, "gb.pal[2]", &color)) {
117 GBVideoSetPalette(&gb->video, 2, color);
118 }
119 if (mCoreConfigGetIntValue(&core->config, "gb.pal[3]", &color)) {
120 GBVideoSetPalette(&gb->video, 3, color);
121 }
122
123 mCoreConfigCopyValue(&core->config, config, "gb.bios");
124 mCoreConfigCopyValue(&core->config, config, "gbc.bios");
125
126#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
127 struct GBCore* gbcore = (struct GBCore*) core;
128 gbcore->overrides = mCoreConfigGetOverridesConst(config);
129#endif
130}
131
132static void _GBCoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
133 UNUSED(core);
134 *width = GB_VIDEO_HORIZONTAL_PIXELS;
135 *height = GB_VIDEO_VERTICAL_PIXELS;
136}
137
138static void _GBCoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
139 struct GBCore* gbcore = (struct GBCore*) core;
140 gbcore->renderer.outputBuffer = buffer;
141 gbcore->renderer.outputBufferStride = stride;
142}
143
144static void _GBCoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
145 struct GBCore* gbcore = (struct GBCore*) core;
146 gbcore->renderer.d.getPixels(&gbcore->renderer.d, stride, buffer);
147}
148
149static void _GBCorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
150 struct GBCore* gbcore = (struct GBCore*) core;
151 gbcore->renderer.d.putPixels(&gbcore->renderer.d, stride, buffer);
152}
153
154static struct blip_t* _GBCoreGetAudioChannel(struct mCore* core, int ch) {
155 struct GB* gb = core->board;
156 switch (ch) {
157 case 0:
158 return gb->audio.left;
159 case 1:
160 return gb->audio.right;
161 default:
162 return NULL;
163 }
164}
165
166static void _GBCoreSetAudioBufferSize(struct mCore* core, size_t samples) {
167 struct GB* gb = core->board;
168 GBAudioResizeBuffer(&gb->audio, samples);
169}
170
171static size_t _GBCoreGetAudioBufferSize(struct mCore* core) {
172 struct GB* gb = core->board;
173 return gb->audio.samples;
174}
175
176static void _GBCoreAddCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
177 struct GB* gb = core->board;
178 *mCoreCallbacksListAppend(&gb->coreCallbacks) = *coreCallbacks;
179}
180
181static void _GBCoreClearCoreCallbacks(struct mCore* core) {
182 struct GB* gb = core->board;
183 mCoreCallbacksListClear(&gb->coreCallbacks);
184}
185
186static void _GBCoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
187 struct GB* gb = core->board;
188 gb->stream = stream;
189 if (stream && stream->videoDimensionsChanged) {
190 stream->videoDimensionsChanged(stream, GB_VIDEO_HORIZONTAL_PIXELS, GB_VIDEO_VERTICAL_PIXELS);
191 }
192}
193
194static bool _GBCoreLoadROM(struct mCore* core, struct VFile* vf) {
195 return GBLoadROM(core->board, vf);
196}
197
198static bool _GBCoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
199 UNUSED(type);
200 GBLoadBIOS(core->board, vf);
201 return true;
202}
203
204static bool _GBCoreLoadSave(struct mCore* core, struct VFile* vf) {
205 return GBLoadSave(core->board, vf);
206}
207
208static bool _GBCoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
209 struct GB* gb = core->board;
210 GBSavedataMask(gb, vf, false);
211 return true; // TODO: Return a real value
212}
213
214static bool _GBCoreLoadPatch(struct mCore* core, struct VFile* vf) {
215 if (!vf) {
216 return false;
217 }
218 struct Patch patch;
219 if (!loadPatch(vf, &patch)) {
220 return false;
221 }
222 GBApplyPatch(core->board, &patch);
223 return true;
224}
225
226static void _GBCoreUnloadROM(struct mCore* core) {
227 struct GBCore* gbcore = (struct GBCore*) core;
228 struct LR35902Core* cpu = core->cpu;
229 if (gbcore->cheatDevice) {
230 LR35902HotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
231 cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
232 mCheatDeviceDestroy(gbcore->cheatDevice);
233 gbcore->cheatDevice = NULL;
234 }
235 return GBUnloadROM(core->board);
236}
237
238static void _GBCoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
239 struct GB* gb = (struct GB*) core->board;
240 switch (type) {
241 case CHECKSUM_CRC32:
242 memcpy(data, &gb->romCrc32, sizeof(gb->romCrc32));
243 break;
244 }
245 return;
246}
247
248static void _GBCoreReset(struct mCore* core) {
249 struct GBCore* gbcore = (struct GBCore*) core;
250 struct GB* gb = (struct GB*) core->board;
251 if (gbcore->renderer.outputBuffer) {
252 GBVideoAssociateRenderer(&gb->video, &gbcore->renderer.d);
253 }
254
255 if (gb->memory.rom) {
256 struct GBCartridgeOverride override;
257 const struct GBCartridge* cart = (const struct GBCartridge*) &gb->memory.rom[0x100];
258 override.headerCrc32 = doCrc32(cart, sizeof(*cart));
259 if (GBOverrideFind(gbcore->overrides, &override)) {
260 GBOverrideApply(gb, &override);
261 }
262 }
263
264#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
265 if (!gb->biosVf && core->opts.useBios) {
266 struct VFile* bios = NULL;
267 bool found = false;
268 if (core->opts.bios) {
269 bios = VFileOpen(core->opts.bios, O_RDONLY);
270 if (bios && GBIsBIOS(bios)) {
271 found = true;
272 } else if (bios) {
273 bios->close(bios);
274 bios = NULL;
275 }
276 }
277 if (!found) {
278 GBDetectModel(gb);
279 const char* configPath = NULL;
280
281 switch (gb->model) {
282 case GB_MODEL_DMG:
283 case GB_MODEL_SGB: // TODO
284 configPath = mCoreConfigGetValue(&core->config, "gb.bios");
285 break;
286 case GB_MODEL_CGB:
287 case GB_MODEL_AGB:
288 configPath = mCoreConfigGetValue(&core->config, "gbc.bios");
289 break;
290 default:
291 break;
292 };
293 if (configPath) {
294 bios = VFileOpen(configPath, O_RDONLY);
295 }
296 if (bios && GBIsBIOS(bios)) {
297 found = true;
298 } else if (bios) {
299 bios->close(bios);
300 bios = NULL;
301 }
302 }
303 if (!found) {
304 char path[PATH_MAX];
305 mCoreConfigDirectory(path, PATH_MAX);
306 switch (gb->model) {
307 case GB_MODEL_DMG:
308 case GB_MODEL_SGB: // TODO
309 strncat(path, PATH_SEP "gb_bios.bin", PATH_MAX - strlen(path));
310 break;
311 case GB_MODEL_CGB:
312 case GB_MODEL_AGB:
313 strncat(path, PATH_SEP "gbc_bios.bin", PATH_MAX - strlen(path));
314 break;
315 default:
316 break;
317 };
318 bios = VFileOpen(path, O_RDONLY);
319 if (bios && GBIsBIOS(bios)) {
320 found = true;
321 } else if (bios) {
322 bios->close(bios);
323 bios = NULL;
324 }
325 }
326 if (bios) {
327 GBLoadBIOS(gb, bios);
328 }
329 }
330#endif
331
332 LR35902Reset(core->cpu);
333}
334
335static void _GBCoreRunFrame(struct mCore* core) {
336 struct GB* gb = core->board;
337 int32_t frameCounter = gb->video.frameCounter;
338 while (gb->video.frameCounter == frameCounter) {
339 LR35902Run(core->cpu);
340 }
341}
342
343static void _GBCoreRunLoop(struct mCore* core) {
344 LR35902Run(core->cpu);
345}
346
347static void _GBCoreStep(struct mCore* core) {
348 struct LR35902Core* cpu = core->cpu;
349 do {
350 LR35902Tick(cpu);
351 } while (cpu->executionState != LR35902_CORE_FETCH);
352}
353
354static size_t _GBCoreStateSize(struct mCore* core) {
355 UNUSED(core);
356 return sizeof(struct GBSerializedState);
357}
358
359static bool _GBCoreLoadState(struct mCore* core, const void* state) {
360 return GBDeserialize(core->board, state);
361}
362
363static bool _GBCoreSaveState(struct mCore* core, void* state) {
364 struct LR35902Core* cpu = core->cpu;
365 while (cpu->executionState != LR35902_CORE_FETCH) {
366 LR35902Tick(cpu);
367 }
368 GBSerialize(core->board, state);
369 return true;
370}
371
372static void _GBCoreSetKeys(struct mCore* core, uint32_t keys) {
373 struct GBCore* gbcore = (struct GBCore*) core;
374 gbcore->keys = keys;
375}
376
377static void _GBCoreAddKeys(struct mCore* core, uint32_t keys) {
378 struct GBCore* gbcore = (struct GBCore*) core;
379 gbcore->keys |= keys;
380}
381
382static void _GBCoreClearKeys(struct mCore* core, uint32_t keys) {
383 struct GBCore* gbcore = (struct GBCore*) core;
384 gbcore->keys &= ~keys;
385}
386
387static int32_t _GBCoreFrameCounter(const struct mCore* core) {
388 const struct GB* gb = core->board;
389 return gb->video.frameCounter;
390}
391
392static int32_t _GBCoreFrameCycles(const struct mCore* core) {
393 UNUSED(core);
394 return GB_VIDEO_TOTAL_LENGTH;
395}
396
397static int32_t _GBCoreFrequency(const struct mCore* core) {
398 UNUSED(core);
399 // TODO: GB differences
400 return DMG_LR35902_FREQUENCY;
401}
402
403static void _GBCoreGetGameTitle(const struct mCore* core, char* title) {
404 GBGetGameTitle(core->board, title);
405}
406
407static void _GBCoreGetGameCode(const struct mCore* core, char* title) {
408 GBGetGameCode(core->board, title);
409}
410
411static void _GBCoreSetPeripheral(struct mCore* core, int type, void* periph) {
412 struct GB* gb = core->board;
413 switch (type) {
414 case mPERIPH_ROTATION:
415 gb->memory.rotation = periph;
416 break;
417 case mPERIPH_RUMBLE:
418 gb->memory.rumble = periph;
419 break;
420 default:
421 return;
422 }
423}
424
425static uint32_t _GBCoreBusRead8(struct mCore* core, uint32_t address) {
426 struct LR35902Core* cpu = core->cpu;
427 return cpu->memory.load8(cpu, address);
428}
429
430static uint32_t _GBCoreBusRead16(struct mCore* core, uint32_t address) {
431 struct LR35902Core* cpu = core->cpu;
432 return cpu->memory.load8(cpu, address) | (cpu->memory.load8(cpu, address + 1) << 8);
433}
434
435static uint32_t _GBCoreBusRead32(struct mCore* core, uint32_t address) {
436 struct LR35902Core* cpu = core->cpu;
437 return cpu->memory.load8(cpu, address) | (cpu->memory.load8(cpu, address + 1) << 8) |
438 (cpu->memory.load8(cpu, address + 2) << 16) | (cpu->memory.load8(cpu, address + 3) << 24);
439}
440
441static void _GBCoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
442 struct LR35902Core* cpu = core->cpu;
443 cpu->memory.store8(cpu, address, value);
444}
445
446static void _GBCoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
447 struct LR35902Core* cpu = core->cpu;
448 cpu->memory.store8(cpu, address, value);
449 cpu->memory.store8(cpu, address + 1, value >> 8);
450}
451
452static void _GBCoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
453 struct LR35902Core* cpu = core->cpu;
454 cpu->memory.store8(cpu, address, value);
455 cpu->memory.store8(cpu, address + 1, value >> 8);
456 cpu->memory.store8(cpu, address + 2, value >> 16);
457 cpu->memory.store8(cpu, address + 3, value >> 24);
458}
459
460static uint32_t _GBCoreRawRead8(struct mCore* core, uint32_t address, int segment) {
461 struct LR35902Core* cpu = core->cpu;
462 return GBView8(cpu, address, segment);
463}
464
465static uint32_t _GBCoreRawRead16(struct mCore* core, uint32_t address, int segment) {
466 struct LR35902Core* cpu = core->cpu;
467 return GBView8(cpu, address, segment) | (GBView8(cpu, address + 1, segment) << 8);
468}
469
470static uint32_t _GBCoreRawRead32(struct mCore* core, uint32_t address, int segment) {
471 struct LR35902Core* cpu = core->cpu;
472 return GBView8(cpu, address, segment) | (GBView8(cpu, address + 1, segment) << 8) |
473 (GBView8(cpu, address + 2, segment) << 16) | (GBView8(cpu, address + 3, segment) << 24);
474}
475
476static void _GBCoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
477 struct LR35902Core* cpu = core->cpu;
478 GBPatch8(cpu, address, value, NULL, segment);
479}
480
481static void _GBCoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
482 struct LR35902Core* cpu = core->cpu;
483 GBPatch8(cpu, address, value, NULL, segment);
484 GBPatch8(cpu, address + 1, value >> 8, NULL, segment);
485}
486
487static void _GBCoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
488 struct LR35902Core* cpu = core->cpu;
489 GBPatch8(cpu, address, value, NULL, segment);
490 GBPatch8(cpu, address + 1, value >> 8, NULL, segment);
491 GBPatch8(cpu, address + 2, value >> 16, NULL, segment);
492 GBPatch8(cpu, address + 3, value >> 24, NULL, segment);
493}
494
495#ifdef USE_DEBUGGERS
496static bool _GBCoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
497 UNUSED(core);
498 switch (type) {
499 case DEBUGGER_CLI:
500 return true;
501 default:
502 return false;
503 }
504}
505
506static struct mDebuggerPlatform* _GBCoreDebuggerPlatform(struct mCore* core) {
507 struct GBCore* gbcore = (struct GBCore*) core;
508 if (!gbcore->debuggerPlatform) {
509 gbcore->debuggerPlatform = LR35902DebuggerPlatformCreate();
510 }
511 return gbcore->debuggerPlatform;
512}
513
514static struct CLIDebuggerSystem* _GBCoreCliDebuggerSystem(struct mCore* core) {
515 return GBCLIDebuggerCreate(core);
516}
517
518static void _GBCoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
519 struct LR35902Core* cpu = core->cpu;
520 if (core->debugger) {
521 LR35902HotplugDetach(cpu, CPU_COMPONENT_DEBUGGER);
522 }
523 cpu->components[CPU_COMPONENT_DEBUGGER] = &debugger->d;
524 LR35902HotplugAttach(cpu, CPU_COMPONENT_DEBUGGER);
525 core->debugger = debugger;
526}
527
528static void _GBCoreDetachDebugger(struct mCore* core) {
529 struct LR35902Core* cpu = core->cpu;
530 if (core->debugger) {
531 LR35902HotplugDetach(cpu, CPU_COMPONENT_DEBUGGER);
532 }
533 cpu->components[CPU_COMPONENT_DEBUGGER] = NULL;
534 core->debugger = NULL;
535}
536#endif
537
538static struct mCheatDevice* _GBCoreCheatDevice(struct mCore* core) {
539 struct GBCore* gbcore = (struct GBCore*) core;
540 if (!gbcore->cheatDevice) {
541 gbcore->cheatDevice = GBCheatDeviceCreate();
542 ((struct LR35902Core*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbcore->cheatDevice->d;
543 LR35902HotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
544 gbcore->cheatDevice->p = core;
545 }
546 return gbcore->cheatDevice;
547}
548
549static size_t _GBCoreSavedataClone(struct mCore* core, void** sram) {
550 struct GB* gb = core->board;
551 struct VFile* vf = gb->sramVf;
552 if (vf) {
553 *sram = malloc(vf->size(vf));
554 vf->seek(vf, 0, SEEK_SET);
555 return vf->read(vf, *sram, vf->size(vf));
556 }
557 *sram = malloc(gb->sramSize);
558 memcpy(*sram, gb->memory.sram, gb->sramSize);
559 return gb->sramSize;
560}
561
562static bool _GBCoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
563 struct GB* gb = core->board;
564 if (!writeback) {
565 struct VFile* vf = VFileMemChunk(sram, size);
566 GBSavedataMask(gb, vf, true);
567 return true;
568 }
569 struct VFile* vf = gb->sramVf;
570 if (vf) {
571 vf->seek(vf, 0, SEEK_SET);
572 return vf->write(vf, sram, size) > 0;
573 }
574 if (size > 0x20000) {
575 size = 0x20000;
576 }
577 GBResizeSram(gb, size);
578 memcpy(gb->memory.sram, sram, size);
579 return true;
580}
581
582struct mCore* GBCoreCreate(void) {
583 struct GBCore* gbcore = malloc(sizeof(*gbcore));
584 struct mCore* core = &gbcore->d;
585 memset(&core->opts, 0, sizeof(core->opts));
586 core->cpu = NULL;
587 core->board = NULL;
588 core->debugger = NULL;
589 core->init = _GBCoreInit;
590 core->deinit = _GBCoreDeinit;
591 core->platform = _GBCorePlatform;
592 core->setSync = _GBCoreSetSync;
593 core->loadConfig = _GBCoreLoadConfig;
594 core->desiredVideoDimensions = _GBCoreDesiredVideoDimensions;
595 core->setVideoBuffer = _GBCoreSetVideoBuffer;
596 core->getPixels = _GBCoreGetPixels;
597 core->putPixels = _GBCorePutPixels;
598 core->getAudioChannel = _GBCoreGetAudioChannel;
599 core->setAudioBufferSize = _GBCoreSetAudioBufferSize;
600 core->getAudioBufferSize = _GBCoreGetAudioBufferSize;
601 core->setAVStream = _GBCoreSetAVStream;
602 core->addCoreCallbacks = _GBCoreAddCoreCallbacks;
603 core->clearCoreCallbacks = _GBCoreClearCoreCallbacks;
604 core->isROM = GBIsROM;
605 core->loadROM = _GBCoreLoadROM;
606 core->loadBIOS = _GBCoreLoadBIOS;
607 core->loadSave = _GBCoreLoadSave;
608 core->loadTemporarySave = _GBCoreLoadTemporarySave;
609 core->loadPatch = _GBCoreLoadPatch;
610 core->unloadROM = _GBCoreUnloadROM;
611 core->checksum = _GBCoreChecksum;
612 core->reset = _GBCoreReset;
613 core->runFrame = _GBCoreRunFrame;
614 core->runLoop = _GBCoreRunLoop;
615 core->step = _GBCoreStep;
616 core->stateSize = _GBCoreStateSize;
617 core->loadState = _GBCoreLoadState;
618 core->saveState = _GBCoreSaveState;
619 core->setKeys = _GBCoreSetKeys;
620 core->addKeys = _GBCoreAddKeys;
621 core->clearKeys = _GBCoreClearKeys;
622 core->frameCounter = _GBCoreFrameCounter;
623 core->frameCycles = _GBCoreFrameCycles;
624 core->frequency = _GBCoreFrequency;
625 core->getGameTitle = _GBCoreGetGameTitle;
626 core->getGameCode = _GBCoreGetGameCode;
627 core->setPeripheral = _GBCoreSetPeripheral;
628 core->busRead8 = _GBCoreBusRead8;
629 core->busRead16 = _GBCoreBusRead16;
630 core->busRead32 = _GBCoreBusRead32;
631 core->busWrite8 = _GBCoreBusWrite8;
632 core->busWrite16 = _GBCoreBusWrite16;
633 core->busWrite32 = _GBCoreBusWrite32;
634 core->rawRead8 = _GBCoreRawRead8;
635 core->rawRead16 = _GBCoreRawRead16;
636 core->rawRead32 = _GBCoreRawRead32;
637 core->rawWrite8 = _GBCoreRawWrite8;
638 core->rawWrite16 = _GBCoreRawWrite16;
639 core->rawWrite32 = _GBCoreRawWrite32;
640#ifdef USE_DEBUGGERS
641 core->supportsDebuggerType = _GBCoreSupportsDebuggerType;
642 core->debuggerPlatform = _GBCoreDebuggerPlatform;
643 core->cliDebuggerSystem = _GBCoreCliDebuggerSystem;
644 core->attachDebugger = _GBCoreAttachDebugger;
645 core->detachDebugger = _GBCoreDetachDebugger;
646#endif
647 core->cheatDevice = _GBCoreCheatDevice;
648 core->savedataClone = _GBCoreSavedataClone;
649 core->savedataRestore = _GBCoreSavedataRestore;
650 return core;
651}