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/debugger/symbols.h>
12#include <mgba/internal/gba/cheats.h>
13#include <mgba/internal/gba/gba.h>
14#include <mgba/internal/gba/io.h>
15#include <mgba/internal/gba/extra/cli.h>
16#include <mgba/internal/gba/overrides.h>
17#ifndef DISABLE_THREADING
18#include <mgba/feature/thread-proxy.h>
19#endif
20#include <mgba/internal/gba/renderers/proxy.h>
21#include <mgba/internal/gba/renderers/video-software.h>
22#include <mgba/internal/gba/savedata.h>
23#include <mgba/internal/gba/serialize.h>
24#ifdef USE_ELF
25#include <mgba-util/elf-read.h>
26#endif
27#include <mgba-util/memory.h>
28#include <mgba-util/patch.h>
29#include <mgba-util/vfs.h>
30
31#ifndef MINIMAL_CORE
32#include <mgba/internal/gba/input.h>
33#endif
34
35static const struct mCoreChannelInfo _GBAVideoLayers[] = {
36 { 0, "bg0", "Background 0", NULL },
37 { 1, "bg1", "Background 1", NULL },
38 { 2, "bg2", "Background 2", NULL },
39 { 3, "bg3", "Background 3", NULL },
40 { 4, "obj", "Objects", NULL },
41};
42
43static const struct mCoreChannelInfo _GBAAudioChannels[] = {
44 { 0, "ch1", "PSG Channel 1", "Square/Sweep" },
45 { 1, "ch2", "PSG Channel 2", "Square" },
46 { 2, "ch3", "PSG Channel 3", "PCM" },
47 { 3, "ch4", "PSG Channel 4", "Noise" },
48 { 4, "chA", "FIFO Channel A", NULL },
49 { 5, "chB", "FIFO Channel B", NULL },
50};
51
52static const struct mCoreMemoryBlock _GBAMemoryBlocks[] = {
53 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
54 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
55 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
56 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
57 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
58 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
59 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
60 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
61 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
62 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
63 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
64};
65
66static const struct mCoreMemoryBlock _GBAMemoryBlocksSRAM[] = {
67 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
68 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
69 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
70 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
71 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
72 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
73 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
74 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
75 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
76 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
77 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
78 { REGION_CART_SRAM, "sram", "SRAM", "Static RAM (64kiB)", BASE_CART_SRAM, BASE_CART_SRAM + SIZE_CART_SRAM, SIZE_CART_SRAM, true },
79};
80
81static const struct mCoreMemoryBlock _GBAMemoryBlocksFlash512[] = {
82 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
83 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
84 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
85 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
86 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
87 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
88 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
89 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
90 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
91 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
92 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
93 { REGION_CART_SRAM, "sram", "Flash", "Flash Memory (64kiB)", BASE_CART_SRAM, BASE_CART_SRAM + SIZE_CART_FLASH512, SIZE_CART_FLASH512, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
94};
95
96static const struct mCoreMemoryBlock _GBAMemoryBlocksFlash1M[] = {
97 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
98 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
99 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
100 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
101 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
102 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
103 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
104 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
105 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
106 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
107 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
108 { REGION_CART_SRAM, "sram", "Flash", "Flash Memory (64kiB)", BASE_CART_SRAM, BASE_CART_SRAM + SIZE_CART_FLASH512, SIZE_CART_FLASH1M, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED, 1 },
109};
110
111static const struct mCoreMemoryBlock _GBAMemoryBlocksEEPROM[] = {
112 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
113 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
114 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
115 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
116 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
117 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
118 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
119 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
120 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
121 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
122 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
123 { REGION_CART_SRAM_MIRROR, "eeprom", "EEPROM", "EEPROM (8kiB)", 0, SIZE_CART_EEPROM, SIZE_CART_EEPROM, mCORE_MEMORY_RW },
124};
125
126struct mVideoLogContext;
127struct GBACore {
128 struct mCore d;
129 struct GBAVideoSoftwareRenderer renderer;
130 struct GBAVideoProxyRenderer proxyRenderer;
131 struct mVideoLogContext* logContext;
132 struct mCoreCallbacks logCallbacks;
133#ifndef DISABLE_THREADING
134 struct mVideoThreadProxy threadProxy;
135 int threadedVideo;
136#endif
137 int keys;
138 struct mCPUComponent* components[CPU_COMPONENT_MAX];
139 const struct Configuration* overrides;
140 struct mDebuggerPlatform* debuggerPlatform;
141 struct mCheatDevice* cheatDevice;
142};
143
144static bool _GBACoreInit(struct mCore* core) {
145 struct GBACore* gbacore = (struct GBACore*) core;
146
147 struct ARMCore* cpu = anonymousMemoryMap(sizeof(struct ARMCore));
148 struct GBA* gba = anonymousMemoryMap(sizeof(struct GBA));
149 if (!cpu || !gba) {
150 free(cpu);
151 free(gba);
152 return false;
153 }
154 core->cpu = cpu;
155 core->board = gba;
156 core->debugger = NULL;
157 core->symbolTable = NULL;
158 gbacore->overrides = NULL;
159 gbacore->debuggerPlatform = NULL;
160 gbacore->cheatDevice = NULL;
161 gbacore->logContext = NULL;
162
163 GBACreate(gba);
164 // TODO: Restore cheats
165 memset(gbacore->components, 0, sizeof(gbacore->components));
166 ARMSetComponents(cpu, &gba->d, CPU_COMPONENT_MAX, gbacore->components);
167 ARMInit(cpu);
168 mRTCGenericSourceInit(&core->rtc, core);
169 gba->rtcSource = &core->rtc.d;
170
171 GBAVideoSoftwareRendererCreate(&gbacore->renderer);
172 gbacore->renderer.outputBuffer = NULL;
173
174#ifndef DISABLE_THREADING
175 gbacore->threadedVideo = false;
176 mVideoThreadProxyCreate(&gbacore->threadProxy);
177#endif
178 gbacore->proxyRenderer.logger = NULL;
179
180 gbacore->keys = 0;
181 gba->keySource = &gbacore->keys;
182
183#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
184 mDirectorySetInit(&core->dirs);
185#endif
186
187#ifndef MINIMAL_CORE
188 core->inputInfo = &GBAInputInfo;
189#endif
190
191 return true;
192}
193
194static void _GBACoreDeinit(struct mCore* core) {
195 ARMDeinit(core->cpu);
196 GBADestroy(core->board);
197 mappedMemoryFree(core->cpu, sizeof(struct ARMCore));
198 mappedMemoryFree(core->board, sizeof(struct GBA));
199#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
200 mDirectorySetDeinit(&core->dirs);
201#endif
202
203 struct GBACore* gbacore = (struct GBACore*) core;
204 free(gbacore->debuggerPlatform);
205 if (gbacore->cheatDevice) {
206 mCheatDeviceDestroy(gbacore->cheatDevice);
207 }
208 free(gbacore->cheatDevice);
209 mCoreConfigFreeOpts(&core->opts);
210 free(core);
211}
212
213static enum mPlatform _GBACorePlatform(const struct mCore* core) {
214 UNUSED(core);
215 return PLATFORM_GBA;
216}
217
218static void _GBACoreSetSync(struct mCore* core, struct mCoreSync* sync) {
219 struct GBA* gba = core->board;
220 gba->sync = sync;
221}
222
223static void _GBACoreLoadConfig(struct mCore* core, const struct mCoreConfig* config) {
224 struct GBA* gba = core->board;
225 if (core->opts.mute) {
226 gba->audio.masterVolume = 0;
227 } else {
228 gba->audio.masterVolume = core->opts.volume;
229 }
230 gba->video.frameskip = core->opts.frameskip;
231
232#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
233 struct GBACore* gbacore = (struct GBACore*) core;
234 gbacore->overrides = mCoreConfigGetOverridesConst(config);
235#endif
236
237 const char* idleOptimization = mCoreConfigGetValue(config, "idleOptimization");
238 if (idleOptimization) {
239 if (strcasecmp(idleOptimization, "ignore") == 0) {
240 gba->idleOptimization = IDLE_LOOP_IGNORE;
241 } else if (strcasecmp(idleOptimization, "remove") == 0) {
242 gba->idleOptimization = IDLE_LOOP_REMOVE;
243 } else if (strcasecmp(idleOptimization, "detect") == 0) {
244 if (gba->idleLoop == IDLE_LOOP_NONE) {
245 gba->idleOptimization = IDLE_LOOP_DETECT;
246 } else {
247 gba->idleOptimization = IDLE_LOOP_REMOVE;
248 }
249 }
250 }
251
252 mCoreConfigCopyValue(&core->config, config, "gba.bios");
253
254#ifndef DISABLE_THREADING
255 mCoreConfigGetIntValue(config, "threadedVideo", &gbacore->threadedVideo);
256#endif
257}
258
259static void _GBACoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
260 UNUSED(core);
261 *width = VIDEO_HORIZONTAL_PIXELS;
262 *height = VIDEO_VERTICAL_PIXELS;
263}
264
265static void _GBACoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
266 struct GBACore* gbacore = (struct GBACore*) core;
267 gbacore->renderer.outputBuffer = buffer;
268 gbacore->renderer.outputBufferStride = stride;
269}
270
271static void _GBACoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
272 struct GBACore* gbacore = (struct GBACore*) core;
273 gbacore->renderer.d.getPixels(&gbacore->renderer.d, stride, buffer);
274}
275
276static void _GBACorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
277 struct GBACore* gbacore = (struct GBACore*) core;
278 gbacore->renderer.d.putPixels(&gbacore->renderer.d, stride, buffer);
279}
280
281static struct blip_t* _GBACoreGetAudioChannel(struct mCore* core, int ch) {
282 struct GBA* gba = core->board;
283 switch (ch) {
284 case 0:
285 return gba->audio.psg.left;
286 case 1:
287 return gba->audio.psg.right;
288 default:
289 return NULL;
290 }
291}
292
293static void _GBACoreSetAudioBufferSize(struct mCore* core, size_t samples) {
294 struct GBA* gba = core->board;
295 GBAAudioResizeBuffer(&gba->audio, samples);
296}
297
298static size_t _GBACoreGetAudioBufferSize(struct mCore* core) {
299 struct GBA* gba = core->board;
300 return gba->audio.samples;
301}
302
303static void _GBACoreAddCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
304 struct GBA* gba = core->board;
305 *mCoreCallbacksListAppend(&gba->coreCallbacks) = *coreCallbacks;
306}
307
308static void _GBACoreClearCoreCallbacks(struct mCore* core) {
309 struct GBA* gba = core->board;
310 mCoreCallbacksListClear(&gba->coreCallbacks);
311}
312
313static void _GBACoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
314 struct GBA* gba = core->board;
315 gba->stream = stream;
316 if (stream && stream->videoDimensionsChanged) {
317 stream->videoDimensionsChanged(stream, VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
318 }
319 if (stream && stream->videoFrameRateChanged) {
320 stream->videoFrameRateChanged(stream, core->frameCycles(core), core->frequency(core));
321 }
322}
323
324static bool _GBACoreLoadROM(struct mCore* core, struct VFile* vf) {
325#ifdef USE_ELF
326 struct ELF* elf = ELFOpen(vf);
327 if (elf) {
328 GBALoadNull(core->board);
329 bool success = mCoreLoadELF(core, elf);
330 ELFClose(elf);
331 return success;
332 }
333#endif
334 if (GBAIsMB(vf)) {
335 return GBALoadMB(core->board, vf);
336 }
337 return GBALoadROM(core->board, vf);
338}
339
340static bool _GBACoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
341 UNUSED(type);
342 if (!GBAIsBIOS(vf)) {
343 return false;
344 }
345 GBALoadBIOS(core->board, vf);
346 return true;
347}
348
349static bool _GBACoreLoadSave(struct mCore* core, struct VFile* vf) {
350 return GBALoadSave(core->board, vf);
351}
352
353static bool _GBACoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
354 struct GBA* gba = core->board;
355 GBASavedataMask(&gba->memory.savedata, vf, false);
356 return true; // TODO: Return a real value
357}
358
359static bool _GBACoreLoadPatch(struct mCore* core, struct VFile* vf) {
360 if (!vf) {
361 return false;
362 }
363 struct Patch patch;
364 if (!loadPatch(vf, &patch)) {
365 return false;
366 }
367 GBAApplyPatch(core->board, &patch);
368 return true;
369}
370
371static void _GBACoreUnloadROM(struct mCore* core) {
372 struct GBACore* gbacore = (struct GBACore*) core;
373 struct ARMCore* cpu = core->cpu;
374 if (gbacore->cheatDevice) {
375 ARMHotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
376 cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
377 mCheatDeviceDestroy(gbacore->cheatDevice);
378 gbacore->cheatDevice = NULL;
379 }
380 return GBAUnloadROM(core->board);
381}
382
383static void _GBACoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
384 struct GBA* gba = (struct GBA*) core->board;
385 switch (type) {
386 case CHECKSUM_CRC32:
387 memcpy(data, &gba->romCrc32, sizeof(gba->romCrc32));
388 break;
389 }
390 return;
391}
392
393static void _GBACoreReset(struct mCore* core) {
394 struct GBACore* gbacore = (struct GBACore*) core;
395 struct GBA* gba = (struct GBA*) core->board;
396 if (gbacore->renderer.outputBuffer) {
397 struct GBAVideoRenderer* renderer = &gbacore->renderer.d;
398#ifndef DISABLE_THREADING
399 if (gbacore->threadedVideo) {
400 gbacore->proxyRenderer.logger = &gbacore->threadProxy.d;
401 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, renderer);
402 renderer = &gbacore->proxyRenderer.d;
403 }
404#endif
405 GBAVideoAssociateRenderer(&gba->video, renderer);
406 }
407
408 struct GBACartridgeOverride override;
409 const struct GBACartridge* cart = (const struct GBACartridge*) gba->memory.rom;
410 if (cart) {
411 memcpy(override.id, &cart->id, sizeof(override.id));
412 if (GBAOverrideFind(gbacore->overrides, &override)) {
413 GBAOverrideApply(gba, &override);
414 }
415 }
416
417#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
418 if (!gba->biosVf && core->opts.useBios) {
419 struct VFile* bios = NULL;
420 bool found = false;
421 if (core->opts.bios) {
422 bios = VFileOpen(core->opts.bios, O_RDONLY);
423 if (bios && GBAIsBIOS(bios)) {
424 found = true;
425 } else if (bios) {
426 bios->close(bios);
427 bios = NULL;
428 }
429 }
430 if (!found) {
431 const char* configPath = mCoreConfigGetValue(&core->config, "gba.bios");
432 if (configPath) {
433 bios = VFileOpen(configPath, O_RDONLY);
434 }
435 if (bios && GBAIsBIOS(bios)) {
436 found = true;
437 } else if (bios) {
438 bios->close(bios);
439 bios = NULL;
440 }
441 }
442 if (!found) {
443 char path[PATH_MAX];
444 mCoreConfigDirectory(path, PATH_MAX);
445 strncat(path, PATH_SEP "gba_bios.bin", PATH_MAX - strlen(path));
446 bios = VFileOpen(path, O_RDONLY);
447 if (bios && GBAIsBIOS(bios)) {
448 found = true;
449 } else if (bios) {
450 bios->close(bios);
451 bios = NULL;
452 }
453 }
454 if (bios) {
455 GBALoadBIOS(gba, bios);
456 }
457 }
458#endif
459
460 ARMReset(core->cpu);
461 if (core->opts.skipBios && gba->isPristine) {
462 GBASkipBIOS(core->board);
463 }
464}
465
466static void _GBACoreRunFrame(struct mCore* core) {
467 struct GBA* gba = core->board;
468 int32_t frameCounter = gba->video.frameCounter;
469 while (gba->video.frameCounter == frameCounter) {
470 ARMv4RunLoop(core->cpu);
471 }
472}
473
474static void _GBACoreRunLoop(struct mCore* core) {
475 ARMv4RunLoop(core->cpu);
476}
477
478static void _GBACoreStep(struct mCore* core) {
479 ARMv4Run(core->cpu);
480}
481
482static size_t _GBACoreStateSize(struct mCore* core) {
483 UNUSED(core);
484 return sizeof(struct GBASerializedState);
485}
486
487static bool _GBACoreLoadState(struct mCore* core, const void* state) {
488 return GBADeserialize(core->board, state);
489}
490
491static bool _GBACoreSaveState(struct mCore* core, void* state) {
492 GBASerialize(core->board, state);
493 return true;
494}
495
496static void _GBACoreSetKeys(struct mCore* core, uint32_t keys) {
497 struct GBACore* gbacore = (struct GBACore*) core;
498 gbacore->keys = keys;
499 GBATestKeypadIRQ(core->board);
500}
501
502static void _GBACoreAddKeys(struct mCore* core, uint32_t keys) {
503 struct GBACore* gbacore = (struct GBACore*) core;
504 gbacore->keys |= keys;
505 GBATestKeypadIRQ(core->board);
506}
507
508static void _GBACoreClearKeys(struct mCore* core, uint32_t keys) {
509 struct GBACore* gbacore = (struct GBACore*) core;
510 gbacore->keys &= ~keys;
511 GBATestKeypadIRQ(core->board);
512}
513
514static void _GBACoreSetCursorLocation(struct mCore* core, int x, int y) {
515 UNUSED(core);
516 UNUSED(x);
517 UNUSED(y);
518}
519
520static void _GBACoreSetCursorDown(struct mCore* core, bool down) {
521 UNUSED(core);
522 UNUSED(down);
523}
524
525static int32_t _GBACoreFrameCounter(const struct mCore* core) {
526 const struct GBA* gba = core->board;
527 return gba->video.frameCounter;
528}
529
530static int32_t _GBACoreFrameCycles(const struct mCore* core) {
531 UNUSED(core);
532 return VIDEO_TOTAL_LENGTH;
533}
534
535static int32_t _GBACoreFrequency(const struct mCore* core) {
536 UNUSED(core);
537 return GBA_ARM7TDMI_FREQUENCY;
538}
539
540static void _GBACoreGetGameTitle(const struct mCore* core, char* title) {
541 GBAGetGameTitle(core->board, title);
542}
543
544static void _GBACoreGetGameCode(const struct mCore* core, char* title) {
545 GBAGetGameCode(core->board, title);
546}
547
548static void _GBACoreSetPeripheral(struct mCore* core, int type, void* periph) {
549 struct GBA* gba = core->board;
550 switch (type) {
551 case mPERIPH_ROTATION:
552 gba->rotationSource = periph;
553 break;
554 case mPERIPH_RUMBLE:
555 gba->rumble = periph;
556 break;
557 case mPERIPH_GBA_LUMINANCE:
558 gba->luminanceSource = periph;
559 break;
560 default:
561 return;
562 }
563}
564
565static uint32_t _GBACoreBusRead8(struct mCore* core, uint32_t address) {
566 struct ARMCore* cpu = core->cpu;
567 return cpu->memory.load8(cpu, address, 0);
568}
569
570static uint32_t _GBACoreBusRead16(struct mCore* core, uint32_t address) {
571 struct ARMCore* cpu = core->cpu;
572 return cpu->memory.load16(cpu, address, 0);
573
574}
575
576static uint32_t _GBACoreBusRead32(struct mCore* core, uint32_t address) {
577 struct ARMCore* cpu = core->cpu;
578 return cpu->memory.load32(cpu, address, 0);
579}
580
581static void _GBACoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
582 struct ARMCore* cpu = core->cpu;
583 cpu->memory.store8(cpu, address, value, 0);
584}
585
586static void _GBACoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
587 struct ARMCore* cpu = core->cpu;
588 cpu->memory.store16(cpu, address, value, 0);
589}
590
591static void _GBACoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
592 struct ARMCore* cpu = core->cpu;
593 cpu->memory.store32(cpu, address, value, 0);
594}
595
596static uint32_t _GBACoreRawRead8(struct mCore* core, uint32_t address, int segment) {
597 UNUSED(segment);
598 struct ARMCore* cpu = core->cpu;
599 return GBAView8(cpu, address);
600}
601
602static uint32_t _GBACoreRawRead16(struct mCore* core, uint32_t address, int segment) {
603 UNUSED(segment);
604 struct ARMCore* cpu = core->cpu;
605 return GBAView16(cpu, address);
606}
607
608static uint32_t _GBACoreRawRead32(struct mCore* core, uint32_t address, int segment) {
609 UNUSED(segment);
610 struct ARMCore* cpu = core->cpu;
611 return GBAView32(cpu, address);
612}
613
614static void _GBACoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
615 UNUSED(segment);
616 struct ARMCore* cpu = core->cpu;
617 GBAPatch8(cpu, address, value, NULL);
618}
619
620static void _GBACoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
621 UNUSED(segment);
622 struct ARMCore* cpu = core->cpu;
623 GBAPatch16(cpu, address, value, NULL);
624}
625
626static void _GBACoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
627 UNUSED(segment);
628 struct ARMCore* cpu = core->cpu;
629 GBAPatch32(cpu, address, value, NULL);
630}
631
632size_t _GBAListMemoryBlocks(const struct mCore* core, const struct mCoreMemoryBlock** blocks) {
633 const struct GBA* gba = core->board;
634 switch (gba->memory.savedata.type) {
635 case SAVEDATA_SRAM:
636 *blocks = _GBAMemoryBlocksSRAM;
637 return sizeof(_GBAMemoryBlocksSRAM) / sizeof(*_GBAMemoryBlocksSRAM);
638 case SAVEDATA_FLASH512:
639 *blocks = _GBAMemoryBlocksFlash512;
640 return sizeof(_GBAMemoryBlocksFlash512) / sizeof(*_GBAMemoryBlocksFlash512);
641 case SAVEDATA_FLASH1M:
642 *blocks = _GBAMemoryBlocksFlash1M;
643 return sizeof(_GBAMemoryBlocksFlash1M) / sizeof(*_GBAMemoryBlocksFlash1M);
644 case SAVEDATA_EEPROM:
645 *blocks = _GBAMemoryBlocksEEPROM;
646 return sizeof(_GBAMemoryBlocksEEPROM) / sizeof(*_GBAMemoryBlocksEEPROM);
647 default:
648 *blocks = _GBAMemoryBlocks;
649 return sizeof(_GBAMemoryBlocks) / sizeof(*_GBAMemoryBlocks);
650 }
651}
652
653void* _GBAGetMemoryBlock(struct mCore* core, size_t id, size_t* sizeOut) {
654 struct GBA* gba = core->board;
655 switch (id) {
656 default:
657 return NULL;
658 case REGION_BIOS:
659 *sizeOut = SIZE_BIOS;
660 return gba->memory.bios;
661 case REGION_WORKING_RAM:
662 *sizeOut = SIZE_WORKING_RAM;
663 return gba->memory.wram;
664 case REGION_WORKING_IRAM:
665 *sizeOut = SIZE_WORKING_IRAM;
666 return gba->memory.iwram;
667 case REGION_PALETTE_RAM:
668 *sizeOut = SIZE_PALETTE_RAM;
669 return gba->video.palette;
670 case REGION_VRAM:
671 *sizeOut = SIZE_VRAM;
672 return gba->video.vram;
673 case REGION_OAM:
674 *sizeOut = SIZE_OAM;
675 return gba->video.oam.raw;
676 case REGION_CART0:
677 case REGION_CART1:
678 case REGION_CART2:
679 *sizeOut = gba->memory.romSize;
680 return gba->memory.rom;
681 case REGION_CART_SRAM:
682 if (gba->memory.savedata.type == SAVEDATA_FLASH1M) {
683 *sizeOut = SIZE_CART_FLASH1M;
684 return gba->memory.savedata.currentBank;
685 }
686 // Fall through
687 case REGION_CART_SRAM_MIRROR:
688 *sizeOut = GBASavedataSize(&gba->memory.savedata);
689 return gba->memory.savedata.data;
690 }
691}
692
693#ifdef USE_DEBUGGERS
694static bool _GBACoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
695 UNUSED(core);
696 switch (type) {
697 case DEBUGGER_CLI:
698 return true;
699#ifdef USE_GDB_STUB
700 case DEBUGGER_GDB:
701 return true;
702#endif
703 default:
704 return false;
705 }
706}
707
708static struct mDebuggerPlatform* _GBACoreDebuggerPlatform(struct mCore* core) {
709 struct GBACore* gbacore = (struct GBACore*) core;
710 if (!gbacore->debuggerPlatform) {
711 gbacore->debuggerPlatform = ARMDebuggerPlatformCreate();
712 }
713 return gbacore->debuggerPlatform;
714}
715
716static struct CLIDebuggerSystem* _GBACoreCliDebuggerSystem(struct mCore* core) {
717 return &GBACLIDebuggerCreate(core)->d;
718}
719
720static void _GBACoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
721 if (core->debugger) {
722 GBADetachDebugger(core->board);
723 }
724 GBAAttachDebugger(core->board, debugger);
725 core->debugger = debugger;
726}
727
728static void _GBACoreDetachDebugger(struct mCore* core) {
729 GBADetachDebugger(core->board);
730 core->debugger = NULL;
731}
732
733static void _GBACoreLoadSymbols(struct mCore* core, struct VFile* vf) {
734#ifdef USE_ELF
735 bool closeAfter = false;
736 core->symbolTable = mDebuggerSymbolTableCreate();
737#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
738 if (!vf) {
739 closeAfter = true;
740 vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".elf", O_RDONLY);
741 }
742#endif
743 if (!vf) {
744 return;
745 }
746 struct ELF* elf = ELFOpen(vf);
747 if (elf) {
748 mCoreLoadELFSymbols(core->symbolTable, elf);
749 ELFClose(elf);
750 }
751 if (closeAfter) {
752 vf->close(vf);
753 }
754#endif
755}
756#endif
757
758static struct mCheatDevice* _GBACoreCheatDevice(struct mCore* core) {
759 struct GBACore* gbacore = (struct GBACore*) core;
760 if (!gbacore->cheatDevice) {
761 gbacore->cheatDevice = GBACheatDeviceCreate();
762 ((struct ARMCore*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbacore->cheatDevice->d;
763 ARMHotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
764 gbacore->cheatDevice->p = core;
765 }
766 return gbacore->cheatDevice;
767}
768
769static size_t _GBACoreSavedataClone(struct mCore* core, void** sram) {
770 struct GBA* gba = core->board;
771 size_t size = GBASavedataSize(&gba->memory.savedata);
772 if (!size) {
773 *sram = NULL;
774 return 0;
775 }
776 *sram = malloc(size);
777 struct VFile* vf = VFileFromMemory(*sram, size);
778 if (!vf) {
779 free(*sram);
780 *sram = NULL;
781 return 0;
782 }
783 bool success = GBASavedataClone(&gba->memory.savedata, vf);
784 vf->close(vf);
785 if (!success) {
786 free(*sram);
787 *sram = NULL;
788 return 0;
789 }
790 return size;
791}
792
793static bool _GBACoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
794 struct VFile* vf = VFileMemChunk(sram, size);
795 if (!vf) {
796 return false;
797 }
798 struct GBA* gba = core->board;
799 bool success = true;
800 if (writeback) {
801 success = GBASavedataLoad(&gba->memory.savedata, vf);
802 vf->close(vf);
803 } else {
804 GBASavedataMask(&gba->memory.savedata, vf, true);
805 }
806 return success;
807}
808
809static size_t _GBACoreListVideoLayers(const struct mCore* core, const struct mCoreChannelInfo** info) {
810 UNUSED(core);
811 *info = _GBAVideoLayers;
812 return sizeof(_GBAVideoLayers) / sizeof(*_GBAVideoLayers);
813}
814
815static size_t _GBACoreListAudioChannels(const struct mCore* core, const struct mCoreChannelInfo** info) {
816 UNUSED(core);
817 *info = _GBAAudioChannels;
818 return sizeof(_GBAAudioChannels) / sizeof(*_GBAAudioChannels);
819}
820
821static void _GBACoreEnableVideoLayer(struct mCore* core, size_t id, bool enable) {
822 struct GBA* gba = core->board;
823 switch (id) {
824 case 0:
825 case 1:
826 case 2:
827 case 3:
828 gba->video.renderer->disableBG[id] = !enable;
829 break;
830 case 4:
831 gba->video.renderer->disableOBJ = !enable;
832 break;
833 default:
834 break;
835 }
836}
837
838static void _GBACoreEnableAudioChannel(struct mCore* core, size_t id, bool enable) {
839 struct GBA* gba = core->board;
840 switch (id) {
841 case 0:
842 case 1:
843 case 2:
844 case 3:
845 gba->audio.psg.forceDisableCh[id] = !enable;
846 break;
847 case 4:
848 gba->audio.forceDisableChA = !enable;
849 case 5:
850 gba->audio.forceDisableChB = !enable;
851 break;
852 default:
853 break;
854 }
855}
856
857static void _GBACoreStartVideoLog(struct mCore* core, struct mVideoLogContext* context) {
858 struct GBACore* gbacore = (struct GBACore*) core;
859 struct GBA* gba = core->board;
860 gbacore->logContext = context;
861
862 struct GBASerializedState* state = mVideoLogContextInitialState(context, NULL);
863 state->id = 0;
864 state->cpu.gprs[ARM_PC] = BASE_WORKING_RAM;
865
866 int channelId = mVideoLoggerAddChannel(context);
867 gbacore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
868 mVideoLoggerRendererCreate(gbacore->proxyRenderer.logger, false);
869 mVideoLoggerAttachChannel(gbacore->proxyRenderer.logger, context, channelId);
870 gbacore->proxyRenderer.logger->block = false;
871
872 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, &gbacore->renderer.d);
873 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
874}
875
876static void _GBACoreEndVideoLog(struct mCore* core) {
877 struct GBACore* gbacore = (struct GBACore*) core;
878 struct GBA* gba = core->board;
879 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
880 free(gbacore->proxyRenderer.logger);
881 gbacore->proxyRenderer.logger = NULL;
882}
883
884struct mCore* GBACoreCreate(void) {
885 struct GBACore* gbacore = malloc(sizeof(*gbacore));
886 struct mCore* core = &gbacore->d;
887 memset(&core->opts, 0, sizeof(core->opts));
888 core->cpu = NULL;
889 core->board = NULL;
890 core->debugger = NULL;
891 core->init = _GBACoreInit;
892 core->deinit = _GBACoreDeinit;
893 core->platform = _GBACorePlatform;
894 core->setSync = _GBACoreSetSync;
895 core->loadConfig = _GBACoreLoadConfig;
896 core->desiredVideoDimensions = _GBACoreDesiredVideoDimensions;
897 core->setVideoBuffer = _GBACoreSetVideoBuffer;
898 core->getPixels = _GBACoreGetPixels;
899 core->putPixels = _GBACorePutPixels;
900 core->getAudioChannel = _GBACoreGetAudioChannel;
901 core->setAudioBufferSize = _GBACoreSetAudioBufferSize;
902 core->getAudioBufferSize = _GBACoreGetAudioBufferSize;
903 core->addCoreCallbacks = _GBACoreAddCoreCallbacks;
904 core->clearCoreCallbacks = _GBACoreClearCoreCallbacks;
905 core->setAVStream = _GBACoreSetAVStream;
906 core->isROM = GBAIsROM;
907 core->loadROM = _GBACoreLoadROM;
908 core->loadBIOS = _GBACoreLoadBIOS;
909 core->loadSave = _GBACoreLoadSave;
910 core->loadTemporarySave = _GBACoreLoadTemporarySave;
911 core->loadPatch = _GBACoreLoadPatch;
912 core->unloadROM = _GBACoreUnloadROM;
913 core->checksum = _GBACoreChecksum;
914 core->reset = _GBACoreReset;
915 core->runFrame = _GBACoreRunFrame;
916 core->runLoop = _GBACoreRunLoop;
917 core->step = _GBACoreStep;
918 core->stateSize = _GBACoreStateSize;
919 core->loadState = _GBACoreLoadState;
920 core->saveState = _GBACoreSaveState;
921 core->setKeys = _GBACoreSetKeys;
922 core->addKeys = _GBACoreAddKeys;
923 core->clearKeys = _GBACoreClearKeys;
924 core->setCursorLocation = _GBACoreSetCursorLocation;
925 core->setCursorDown = _GBACoreSetCursorDown;
926 core->frameCounter = _GBACoreFrameCounter;
927 core->frameCycles = _GBACoreFrameCycles;
928 core->frequency = _GBACoreFrequency;
929 core->getGameTitle = _GBACoreGetGameTitle;
930 core->getGameCode = _GBACoreGetGameCode;
931 core->setPeripheral = _GBACoreSetPeripheral;
932 core->busRead8 = _GBACoreBusRead8;
933 core->busRead16 = _GBACoreBusRead16;
934 core->busRead32 = _GBACoreBusRead32;
935 core->busWrite8 = _GBACoreBusWrite8;
936 core->busWrite16 = _GBACoreBusWrite16;
937 core->busWrite32 = _GBACoreBusWrite32;
938 core->rawRead8 = _GBACoreRawRead8;
939 core->rawRead16 = _GBACoreRawRead16;
940 core->rawRead32 = _GBACoreRawRead32;
941 core->rawWrite8 = _GBACoreRawWrite8;
942 core->rawWrite16 = _GBACoreRawWrite16;
943 core->rawWrite32 = _GBACoreRawWrite32;
944 core->listMemoryBlocks = _GBAListMemoryBlocks;
945 core->getMemoryBlock = _GBAGetMemoryBlock;
946#ifdef USE_DEBUGGERS
947 core->supportsDebuggerType = _GBACoreSupportsDebuggerType;
948 core->debuggerPlatform = _GBACoreDebuggerPlatform;
949 core->cliDebuggerSystem = _GBACoreCliDebuggerSystem;
950 core->attachDebugger = _GBACoreAttachDebugger;
951 core->detachDebugger = _GBACoreDetachDebugger;
952 core->loadSymbols = _GBACoreLoadSymbols;
953#endif
954 core->cheatDevice = _GBACoreCheatDevice;
955 core->savedataClone = _GBACoreSavedataClone;
956 core->savedataRestore = _GBACoreSavedataRestore;
957 core->listVideoLayers = _GBACoreListVideoLayers;
958 core->listAudioChannels = _GBACoreListAudioChannels;
959 core->enableVideoLayer = _GBACoreEnableVideoLayer;
960 core->enableAudioChannel = _GBACoreEnableAudioChannel;
961#ifndef MINIMAL_CORE
962 core->startVideoLog = _GBACoreStartVideoLog;
963 core->endVideoLog = _GBACoreEndVideoLog;
964#endif
965 return core;
966}
967
968#ifndef MINIMAL_CORE
969static void _GBAVLPStartFrameCallback(void *context) {
970 struct mCore* core = context;
971 struct GBACore* gbacore = (struct GBACore*) core;
972 struct GBA* gba = core->board;
973
974 if (!mVideoLoggerRendererRun(gbacore->proxyRenderer.logger, true)) {
975 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
976 mVideoLogContextRewind(gbacore->logContext, core);
977 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
978 }
979}
980
981static bool _GBAVLPInit(struct mCore* core) {
982 struct GBACore* gbacore = (struct GBACore*) core;
983 if (!_GBACoreInit(core)) {
984 return false;
985 }
986 gbacore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
987 mVideoLoggerRendererCreate(gbacore->proxyRenderer.logger, true);
988 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, NULL);
989 memset(&gbacore->logCallbacks, 0, sizeof(gbacore->logCallbacks));
990 gbacore->logCallbacks.videoFrameStarted = _GBAVLPStartFrameCallback;
991 gbacore->logCallbacks.context = core;
992 core->addCoreCallbacks(core, &gbacore->logCallbacks);
993 return true;
994}
995
996static void _GBAVLPDeinit(struct mCore* core) {
997 struct GBACore* gbacore = (struct GBACore*) core;
998 if (gbacore->logContext) {
999 mVideoLogContextDestroy(core, gbacore->logContext);
1000 }
1001 _GBACoreDeinit(core);
1002}
1003
1004static void _GBAVLPReset(struct mCore* core) {
1005 struct GBACore* gbacore = (struct GBACore*) core;
1006 struct GBA* gba = (struct GBA*) core->board;
1007 if (gba->video.renderer == &gbacore->proxyRenderer.d) {
1008 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
1009 } else if (gbacore->renderer.outputBuffer) {
1010 struct GBAVideoRenderer* renderer = &gbacore->renderer.d;
1011 GBAVideoAssociateRenderer(&gba->video, renderer);
1012 }
1013
1014 ARMReset(core->cpu);
1015 mVideoLogContextRewind(gbacore->logContext, core);
1016 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
1017
1018 // Make sure CPU loop never spins
1019 GBAHalt(gba);
1020 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1021 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1022}
1023
1024static bool _GBAVLPLoadROM(struct mCore* core, struct VFile* vf) {
1025 struct GBACore* gbacore = (struct GBACore*) core;
1026 gbacore->logContext = mVideoLogContextCreate(NULL);
1027 if (!mVideoLogContextLoad(gbacore->logContext, vf)) {
1028 mVideoLogContextDestroy(core, gbacore->logContext);
1029 gbacore->logContext = NULL;
1030 return false;
1031 }
1032 mVideoLoggerAttachChannel(gbacore->proxyRenderer.logger, gbacore->logContext, 0);
1033 return true;
1034}
1035
1036static bool _GBAVLPLoadState(struct mCore* core, const void* state) {
1037 struct GBA* gba = (struct GBA*) core->board;
1038
1039 gba->timing.root = NULL;
1040 gba->cpu->gprs[ARM_PC] = BASE_WORKING_RAM;
1041 gba->cpu->memory.setActiveRegion(gba->cpu, gba->cpu->gprs[ARM_PC]);
1042
1043 // Make sure CPU loop never spins
1044 GBAHalt(gba);
1045 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1046 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1047 GBAVideoDeserialize(&gba->video, state);
1048 GBAIODeserialize(gba, state);
1049 GBAAudioReset(&gba->audio);
1050
1051 return true;
1052}
1053
1054static bool _returnTrue(struct VFile* vf) {
1055 UNUSED(vf);
1056 return true;
1057}
1058
1059struct mCore* GBAVideoLogPlayerCreate(void) {
1060 struct mCore* core = GBACoreCreate();
1061 core->init = _GBAVLPInit;
1062 core->deinit = _GBAVLPDeinit;
1063 core->reset = _GBAVLPReset;
1064 core->loadROM = _GBAVLPLoadROM;
1065 core->loadState = _GBAVLPLoadState;
1066 core->isROM = _returnTrue;
1067 return core;
1068}
1069#else
1070struct mCore* GBAVideoLogPlayerCreate(void) {
1071 return false;
1072}
1073#endif