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
31static const struct mCoreChannelInfo _GBAVideoLayers[] = {
32 { 0, "bg0", "Background 0", NULL },
33 { 1, "bg1", "Background 1", NULL },
34 { 2, "bg2", "Background 2", NULL },
35 { 3, "bg3", "Background 3", NULL },
36 { 4, "obj", "Objects", NULL },
37};
38
39static const struct mCoreChannelInfo _GBAAudioChannels[] = {
40 { 0, "ch1", "PSG Channel 1", "Square/Sweep" },
41 { 1, "ch2", "PSG Channel 2", "Square" },
42 { 2, "ch3", "PSG Channel 3", "PCM" },
43 { 3, "ch4", "PSG Channel 4", "Noise" },
44 { 4, "chA", "FIFO Channel A", NULL },
45 { 5, "chB", "FIFO Channel B", NULL },
46};
47
48static const struct mCoreMemoryBlock _GBAMemoryBlocks[] = {
49 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
50 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
51 { 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 },
52 { 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 },
53 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
54 { 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 },
55 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
56 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
57 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
58 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
59 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
60};
61
62static const struct mCoreMemoryBlock _GBAMemoryBlocksSRAM[] = {
63 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
64 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
65 { 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 },
66 { 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 },
67 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
68 { 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 },
69 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
70 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
71 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
72 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
73 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
74 { REGION_CART_SRAM, "sram", "SRAM", "Static RAM (64kiB)", BASE_CART_SRAM, BASE_CART_SRAM + SIZE_CART_SRAM, SIZE_CART_SRAM, true },
75};
76
77static const struct mCoreMemoryBlock _GBAMemoryBlocksFlash512[] = {
78 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
79 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
80 { 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 },
81 { 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 },
82 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
83 { 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 },
84 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
85 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
86 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
87 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
88 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
89 { 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 },
90};
91
92static const struct mCoreMemoryBlock _GBAMemoryBlocksFlash1M[] = {
93 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
94 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
95 { 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 },
96 { 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 },
97 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
98 { 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 },
99 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
100 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
101 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
102 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
103 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
104 { 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 },
105};
106
107static const struct mCoreMemoryBlock _GBAMemoryBlocksEEPROM[] = {
108 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
109 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
110 { 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 },
111 { 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 },
112 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
113 { 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 },
114 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
115 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
116 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
117 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
118 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
119 { REGION_CART_SRAM_MIRROR, "eeprom", "EEPROM", "EEPROM (8kiB)", 0, SIZE_CART_EEPROM, SIZE_CART_EEPROM, mCORE_MEMORY_RW },
120};
121
122struct mVideoLogContext;
123struct GBACore {
124 struct mCore d;
125 struct GBAVideoSoftwareRenderer renderer;
126 struct GBAVideoProxyRenderer proxyRenderer;
127 struct mVideoLogContext* logContext;
128 struct mCoreCallbacks logCallbacks;
129#ifndef DISABLE_THREADING
130 struct mVideoThreadProxy threadProxy;
131#endif
132 int keys;
133 struct mCPUComponent* components[CPU_COMPONENT_MAX];
134 const struct Configuration* overrides;
135 struct mDebuggerPlatform* debuggerPlatform;
136 struct mCheatDevice* cheatDevice;
137};
138
139static bool _GBACoreInit(struct mCore* core) {
140 struct GBACore* gbacore = (struct GBACore*) core;
141
142 struct ARMCore* cpu = anonymousMemoryMap(sizeof(struct ARMCore));
143 struct GBA* gba = anonymousMemoryMap(sizeof(struct GBA));
144 if (!cpu || !gba) {
145 free(cpu);
146 free(gba);
147 return false;
148 }
149 core->cpu = cpu;
150 core->board = gba;
151 core->debugger = NULL;
152 core->symbolTable = NULL;
153 gbacore->overrides = NULL;
154 gbacore->debuggerPlatform = NULL;
155 gbacore->cheatDevice = NULL;
156 gbacore->logContext = NULL;
157
158 GBACreate(gba);
159 // TODO: Restore cheats
160 memset(gbacore->components, 0, sizeof(gbacore->components));
161 ARMSetComponents(cpu, &gba->d, CPU_COMPONENT_MAX, gbacore->components);
162 ARMInit(cpu);
163 mRTCGenericSourceInit(&core->rtc, core);
164 gba->rtcSource = &core->rtc.d;
165
166 GBAVideoSoftwareRendererCreate(&gbacore->renderer);
167 gbacore->renderer.outputBuffer = NULL;
168
169#ifndef DISABLE_THREADING
170 mVideoThreadProxyCreate(&gbacore->threadProxy);
171#endif
172 gbacore->proxyRenderer.logger = NULL;
173
174 gbacore->keys = 0;
175 gba->keySource = &gbacore->keys;
176
177#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
178 mDirectorySetInit(&core->dirs);
179#endif
180
181 return true;
182}
183
184static void _GBACoreDeinit(struct mCore* core) {
185 ARMDeinit(core->cpu);
186 GBADestroy(core->board);
187 mappedMemoryFree(core->cpu, sizeof(struct ARMCore));
188 mappedMemoryFree(core->board, sizeof(struct GBA));
189#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
190 mDirectorySetDeinit(&core->dirs);
191#endif
192
193 struct GBACore* gbacore = (struct GBACore*) core;
194 free(gbacore->debuggerPlatform);
195 if (gbacore->cheatDevice) {
196 mCheatDeviceDestroy(gbacore->cheatDevice);
197 }
198 free(gbacore->cheatDevice);
199 mCoreConfigFreeOpts(&core->opts);
200 free(core);
201}
202
203static enum mPlatform _GBACorePlatform(const struct mCore* core) {
204 UNUSED(core);
205 return PLATFORM_GBA;
206}
207
208static void _GBACoreSetSync(struct mCore* core, struct mCoreSync* sync) {
209 struct GBA* gba = core->board;
210 gba->sync = sync;
211}
212
213static void _GBACoreLoadConfig(struct mCore* core, const struct mCoreConfig* config) {
214 struct GBA* gba = core->board;
215 if (core->opts.mute) {
216 gba->audio.masterVolume = 0;
217 } else {
218 gba->audio.masterVolume = core->opts.volume;
219 }
220 gba->video.frameskip = core->opts.frameskip;
221
222#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
223 struct GBACore* gbacore = (struct GBACore*) core;
224 gbacore->overrides = mCoreConfigGetOverridesConst(config);
225#endif
226
227 const char* idleOptimization = mCoreConfigGetValue(config, "idleOptimization");
228 if (idleOptimization) {
229 if (strcasecmp(idleOptimization, "ignore") == 0) {
230 gba->idleOptimization = IDLE_LOOP_IGNORE;
231 } else if (strcasecmp(idleOptimization, "remove") == 0) {
232 gba->idleOptimization = IDLE_LOOP_REMOVE;
233 } else if (strcasecmp(idleOptimization, "detect") == 0) {
234 if (gba->idleLoop == IDLE_LOOP_NONE) {
235 gba->idleOptimization = IDLE_LOOP_DETECT;
236 } else {
237 gba->idleOptimization = IDLE_LOOP_REMOVE;
238 }
239 }
240 }
241
242 mCoreConfigCopyValue(&core->config, config, "gba.bios");
243
244#ifndef DISABLE_THREADING
245 mCoreConfigCopyValue(&core->config, config, "threadedVideo");
246#endif
247}
248
249static void _GBACoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
250 UNUSED(core);
251 *width = VIDEO_HORIZONTAL_PIXELS;
252 *height = VIDEO_VERTICAL_PIXELS;
253}
254
255static void _GBACoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
256 struct GBACore* gbacore = (struct GBACore*) core;
257 gbacore->renderer.outputBuffer = buffer;
258 gbacore->renderer.outputBufferStride = stride;
259 memset(gbacore->renderer.scanlineDirty, 0xFFFFFFFF, sizeof(gbacore->renderer.scanlineDirty));
260}
261
262static void _GBACoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
263 struct GBACore* gbacore = (struct GBACore*) core;
264 gbacore->renderer.d.getPixels(&gbacore->renderer.d, stride, buffer);
265}
266
267static void _GBACorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
268 struct GBACore* gbacore = (struct GBACore*) core;
269 gbacore->renderer.d.putPixels(&gbacore->renderer.d, stride, buffer);
270}
271
272static struct blip_t* _GBACoreGetAudioChannel(struct mCore* core, int ch) {
273 struct GBA* gba = core->board;
274 switch (ch) {
275 case 0:
276 return gba->audio.psg.left;
277 case 1:
278 return gba->audio.psg.right;
279 default:
280 return NULL;
281 }
282}
283
284static void _GBACoreSetAudioBufferSize(struct mCore* core, size_t samples) {
285 struct GBA* gba = core->board;
286 GBAAudioResizeBuffer(&gba->audio, samples);
287}
288
289static size_t _GBACoreGetAudioBufferSize(struct mCore* core) {
290 struct GBA* gba = core->board;
291 return gba->audio.samples;
292}
293
294static void _GBACoreAddCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
295 struct GBA* gba = core->board;
296 *mCoreCallbacksListAppend(&gba->coreCallbacks) = *coreCallbacks;
297}
298
299static void _GBACoreClearCoreCallbacks(struct mCore* core) {
300 struct GBA* gba = core->board;
301 mCoreCallbacksListClear(&gba->coreCallbacks);
302}
303
304static void _GBACoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
305 struct GBA* gba = core->board;
306 gba->stream = stream;
307 if (stream && stream->videoDimensionsChanged) {
308 stream->videoDimensionsChanged(stream, VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
309 }
310}
311
312static bool _GBACoreLoadROM(struct mCore* core, struct VFile* vf) {
313#ifdef USE_ELF
314 struct ELF* elf = ELFOpen(vf);
315 if (elf) {
316 GBALoadNull(core->board);
317 bool success = mCoreLoadELF(core, elf);
318 ELFClose(elf);
319 return success;
320 }
321#endif
322 if (GBAIsMB(vf)) {
323 return GBALoadMB(core->board, vf);
324 }
325 return GBALoadROM(core->board, vf);
326}
327
328static bool _GBACoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
329 UNUSED(type);
330 if (!GBAIsBIOS(vf)) {
331 return false;
332 }
333 GBALoadBIOS(core->board, vf);
334 return true;
335}
336
337static bool _GBACoreLoadSave(struct mCore* core, struct VFile* vf) {
338 return GBALoadSave(core->board, vf);
339}
340
341static bool _GBACoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
342 struct GBA* gba = core->board;
343 GBASavedataMask(&gba->memory.savedata, vf, false);
344 return true; // TODO: Return a real value
345}
346
347static bool _GBACoreLoadPatch(struct mCore* core, struct VFile* vf) {
348 if (!vf) {
349 return false;
350 }
351 struct Patch patch;
352 if (!loadPatch(vf, &patch)) {
353 return false;
354 }
355 GBAApplyPatch(core->board, &patch);
356 return true;
357}
358
359static void _GBACoreUnloadROM(struct mCore* core) {
360 struct GBACore* gbacore = (struct GBACore*) core;
361 struct ARMCore* cpu = core->cpu;
362 if (gbacore->cheatDevice) {
363 ARMHotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
364 cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
365 mCheatDeviceDestroy(gbacore->cheatDevice);
366 gbacore->cheatDevice = NULL;
367 }
368 return GBAUnloadROM(core->board);
369}
370
371static void _GBACoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
372 struct GBA* gba = (struct GBA*) core->board;
373 switch (type) {
374 case CHECKSUM_CRC32:
375 memcpy(data, &gba->romCrc32, sizeof(gba->romCrc32));
376 break;
377 }
378 return;
379}
380
381static void _GBACoreReset(struct mCore* core) {
382 struct GBACore* gbacore = (struct GBACore*) core;
383 struct GBA* gba = (struct GBA*) core->board;
384 if (gbacore->renderer.outputBuffer) {
385 struct GBAVideoRenderer* renderer = &gbacore->renderer.d;
386#ifndef DISABLE_THREADING
387 int fakeBool;
388 if (mCoreConfigGetIntValue(&core->config, "threadedVideo", &fakeBool) && fakeBool) {
389 gbacore->proxyRenderer.logger = &gbacore->threadProxy.d;
390 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, renderer);
391 renderer = &gbacore->proxyRenderer.d;
392 }
393#endif
394 GBAVideoAssociateRenderer(&gba->video, renderer);
395 }
396
397 GBAOverrideApplyDefaults(gba, gbacore->overrides);
398
399#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
400 if (!gba->biosVf && core->opts.useBios) {
401 struct VFile* bios = NULL;
402 bool found = false;
403 if (core->opts.bios) {
404 bios = VFileOpen(core->opts.bios, O_RDONLY);
405 if (bios && GBAIsBIOS(bios)) {
406 found = true;
407 } else if (bios) {
408 bios->close(bios);
409 bios = NULL;
410 }
411 }
412 if (!found) {
413 const char* configPath = mCoreConfigGetValue(&core->config, "gba.bios");
414 if (configPath) {
415 bios = VFileOpen(configPath, O_RDONLY);
416 }
417 if (bios && GBAIsBIOS(bios)) {
418 found = true;
419 } else if (bios) {
420 bios->close(bios);
421 bios = NULL;
422 }
423 }
424 if (!found) {
425 char path[PATH_MAX];
426 mCoreConfigDirectory(path, PATH_MAX);
427 strncat(path, PATH_SEP "gba_bios.bin", PATH_MAX - strlen(path));
428 bios = VFileOpen(path, O_RDONLY);
429 if (bios && GBAIsBIOS(bios)) {
430 found = true;
431 } else if (bios) {
432 bios->close(bios);
433 bios = NULL;
434 }
435 }
436 if (bios) {
437 GBALoadBIOS(gba, bios);
438 }
439 }
440#endif
441
442 ARMReset(core->cpu);
443 if (core->opts.skipBios && gba->isPristine) {
444 GBASkipBIOS(core->board);
445 }
446}
447
448static void _GBACoreRunFrame(struct mCore* core) {
449 struct GBA* gba = core->board;
450 int32_t frameCounter = gba->video.frameCounter;
451 while (gba->video.frameCounter == frameCounter) {
452 ARMRunLoop(core->cpu);
453 }
454}
455
456static void _GBACoreRunLoop(struct mCore* core) {
457 ARMRunLoop(core->cpu);
458}
459
460static void _GBACoreStep(struct mCore* core) {
461 ARMRun(core->cpu);
462}
463
464static size_t _GBACoreStateSize(struct mCore* core) {
465 UNUSED(core);
466 return sizeof(struct GBASerializedState);
467}
468
469static bool _GBACoreLoadState(struct mCore* core, const void* state) {
470 return GBADeserialize(core->board, state);
471}
472
473static bool _GBACoreSaveState(struct mCore* core, void* state) {
474 GBASerialize(core->board, state);
475 return true;
476}
477
478static void _GBACoreSetKeys(struct mCore* core, uint32_t keys) {
479 struct GBACore* gbacore = (struct GBACore*) core;
480 gbacore->keys = keys;
481 GBATestKeypadIRQ(core->board);
482}
483
484static void _GBACoreAddKeys(struct mCore* core, uint32_t keys) {
485 struct GBACore* gbacore = (struct GBACore*) core;
486 gbacore->keys |= keys;
487 GBATestKeypadIRQ(core->board);
488}
489
490static void _GBACoreClearKeys(struct mCore* core, uint32_t keys) {
491 struct GBACore* gbacore = (struct GBACore*) core;
492 gbacore->keys &= ~keys;
493}
494
495static int32_t _GBACoreFrameCounter(const struct mCore* core) {
496 const struct GBA* gba = core->board;
497 return gba->video.frameCounter;
498}
499
500static int32_t _GBACoreFrameCycles(const struct mCore* core) {
501 UNUSED(core);
502 return VIDEO_TOTAL_LENGTH;
503}
504
505static int32_t _GBACoreFrequency(const struct mCore* core) {
506 UNUSED(core);
507 return GBA_ARM7TDMI_FREQUENCY;
508}
509
510static void _GBACoreGetGameTitle(const struct mCore* core, char* title) {
511 GBAGetGameTitle(core->board, title);
512}
513
514static void _GBACoreGetGameCode(const struct mCore* core, char* title) {
515 GBAGetGameCode(core->board, title);
516}
517
518static void _GBACoreSetPeripheral(struct mCore* core, int type, void* periph) {
519 struct GBA* gba = core->board;
520 switch (type) {
521 case mPERIPH_ROTATION:
522 gba->rotationSource = periph;
523 break;
524 case mPERIPH_RUMBLE:
525 gba->rumble = periph;
526 break;
527 case mPERIPH_GBA_LUMINANCE:
528 gba->luminanceSource = periph;
529 break;
530 default:
531 return;
532 }
533}
534
535static uint32_t _GBACoreBusRead8(struct mCore* core, uint32_t address) {
536 struct ARMCore* cpu = core->cpu;
537 return cpu->memory.load8(cpu, address, 0);
538}
539
540static uint32_t _GBACoreBusRead16(struct mCore* core, uint32_t address) {
541 struct ARMCore* cpu = core->cpu;
542 return cpu->memory.load16(cpu, address, 0);
543
544}
545
546static uint32_t _GBACoreBusRead32(struct mCore* core, uint32_t address) {
547 struct ARMCore* cpu = core->cpu;
548 return cpu->memory.load32(cpu, address, 0);
549}
550
551static void _GBACoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
552 struct ARMCore* cpu = core->cpu;
553 cpu->memory.store8(cpu, address, value, 0);
554}
555
556static void _GBACoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
557 struct ARMCore* cpu = core->cpu;
558 cpu->memory.store16(cpu, address, value, 0);
559}
560
561static void _GBACoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
562 struct ARMCore* cpu = core->cpu;
563 cpu->memory.store32(cpu, address, value, 0);
564}
565
566static uint32_t _GBACoreRawRead8(struct mCore* core, uint32_t address, int segment) {
567 UNUSED(segment);
568 struct ARMCore* cpu = core->cpu;
569 return GBAView8(cpu, address);
570}
571
572static uint32_t _GBACoreRawRead16(struct mCore* core, uint32_t address, int segment) {
573 UNUSED(segment);
574 struct ARMCore* cpu = core->cpu;
575 return GBAView16(cpu, address);
576}
577
578static uint32_t _GBACoreRawRead32(struct mCore* core, uint32_t address, int segment) {
579 UNUSED(segment);
580 struct ARMCore* cpu = core->cpu;
581 return GBAView32(cpu, address);
582}
583
584static void _GBACoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
585 UNUSED(segment);
586 struct ARMCore* cpu = core->cpu;
587 GBAPatch8(cpu, address, value, NULL);
588}
589
590static void _GBACoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
591 UNUSED(segment);
592 struct ARMCore* cpu = core->cpu;
593 GBAPatch16(cpu, address, value, NULL);
594}
595
596static void _GBACoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
597 UNUSED(segment);
598 struct ARMCore* cpu = core->cpu;
599 GBAPatch32(cpu, address, value, NULL);
600}
601
602size_t _GBAListMemoryBlocks(const struct mCore* core, const struct mCoreMemoryBlock** blocks) {
603 const struct GBA* gba = core->board;
604 switch (gba->memory.savedata.type) {
605 case SAVEDATA_SRAM:
606 *blocks = _GBAMemoryBlocksSRAM;
607 return sizeof(_GBAMemoryBlocksSRAM) / sizeof(*_GBAMemoryBlocksSRAM);
608 case SAVEDATA_FLASH512:
609 *blocks = _GBAMemoryBlocksFlash512;
610 return sizeof(_GBAMemoryBlocksFlash512) / sizeof(*_GBAMemoryBlocksFlash512);
611 case SAVEDATA_FLASH1M:
612 *blocks = _GBAMemoryBlocksFlash1M;
613 return sizeof(_GBAMemoryBlocksFlash1M) / sizeof(*_GBAMemoryBlocksFlash1M);
614 case SAVEDATA_EEPROM:
615 *blocks = _GBAMemoryBlocksEEPROM;
616 return sizeof(_GBAMemoryBlocksEEPROM) / sizeof(*_GBAMemoryBlocksEEPROM);
617 default:
618 *blocks = _GBAMemoryBlocks;
619 return sizeof(_GBAMemoryBlocks) / sizeof(*_GBAMemoryBlocks);
620 }
621}
622
623void* _GBAGetMemoryBlock(struct mCore* core, size_t id, size_t* sizeOut) {
624 struct GBA* gba = core->board;
625 switch (id) {
626 default:
627 return NULL;
628 case REGION_BIOS:
629 *sizeOut = SIZE_BIOS;
630 return gba->memory.bios;
631 case REGION_WORKING_RAM:
632 *sizeOut = SIZE_WORKING_RAM;
633 return gba->memory.wram;
634 case REGION_WORKING_IRAM:
635 *sizeOut = SIZE_WORKING_IRAM;
636 return gba->memory.iwram;
637 case REGION_PALETTE_RAM:
638 *sizeOut = SIZE_PALETTE_RAM;
639 return gba->video.palette;
640 case REGION_VRAM:
641 *sizeOut = SIZE_VRAM;
642 return gba->video.vram;
643 case REGION_OAM:
644 *sizeOut = SIZE_OAM;
645 return gba->video.oam.raw;
646 case REGION_CART0:
647 case REGION_CART1:
648 case REGION_CART2:
649 *sizeOut = gba->memory.romSize;
650 return gba->memory.rom;
651 case REGION_CART_SRAM:
652 if (gba->memory.savedata.type == SAVEDATA_FLASH1M) {
653 *sizeOut = SIZE_CART_FLASH1M;
654 return gba->memory.savedata.currentBank;
655 }
656 // Fall through
657 case REGION_CART_SRAM_MIRROR:
658 *sizeOut = GBASavedataSize(&gba->memory.savedata);
659 return gba->memory.savedata.data;
660 }
661}
662
663#ifdef USE_DEBUGGERS
664static bool _GBACoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
665 UNUSED(core);
666 switch (type) {
667 case DEBUGGER_CLI:
668 return true;
669#ifdef USE_GDB_STUB
670 case DEBUGGER_GDB:
671 return true;
672#endif
673 default:
674 return false;
675 }
676}
677
678static struct mDebuggerPlatform* _GBACoreDebuggerPlatform(struct mCore* core) {
679 struct GBACore* gbacore = (struct GBACore*) core;
680 if (!gbacore->debuggerPlatform) {
681 gbacore->debuggerPlatform = ARMDebuggerPlatformCreate();
682 }
683 return gbacore->debuggerPlatform;
684}
685
686static struct CLIDebuggerSystem* _GBACoreCliDebuggerSystem(struct mCore* core) {
687 return &GBACLIDebuggerCreate(core)->d;
688}
689
690static void _GBACoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
691 if (core->debugger) {
692 GBADetachDebugger(core->board);
693 }
694 GBAAttachDebugger(core->board, debugger);
695 core->debugger = debugger;
696}
697
698static void _GBACoreDetachDebugger(struct mCore* core) {
699 GBADetachDebugger(core->board);
700 core->debugger = NULL;
701}
702
703static void _GBACoreLoadSymbols(struct mCore* core, struct VFile* vf) {
704 bool closeAfter = false;
705 core->symbolTable = mDebuggerSymbolTableCreate();
706#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
707#ifdef USE_ELF
708 if (!vf) {
709 closeAfter = true;
710 vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".elf", O_RDONLY);
711 }
712#endif
713 if (!vf) {
714 closeAfter = true;
715 vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".sym", O_RDONLY);
716 }
717#endif
718 if (!vf) {
719 return;
720 }
721#ifdef USE_ELF
722 struct ELF* elf = ELFOpen(vf);
723 if (elf) {
724#ifdef USE_DEBUGGERS
725 mCoreLoadELFSymbols(core->symbolTable, elf);
726#endif
727 ELFClose(elf);
728 } else
729#endif
730 {
731 mDebuggerLoadARMIPSSymbols(core->symbolTable, vf);
732 }
733 if (closeAfter) {
734 vf->close(vf);
735 }
736}
737
738static bool _GBACoreLookupIdentifier(struct mCore* core, const char* name, int32_t* value, int* segment) {
739 UNUSED(core);
740 *segment = -1;
741 int i;
742 for (i = 0; i < REG_MAX; i += 2) {
743 const char* reg = GBAIORegisterNames[i >> 1];
744 if (reg && strcasecmp(reg, name) == 0) {
745 *value = BASE_IO | i;
746 return true;
747 }
748 }
749 return false;
750}
751#endif
752
753static struct mCheatDevice* _GBACoreCheatDevice(struct mCore* core) {
754 struct GBACore* gbacore = (struct GBACore*) core;
755 if (!gbacore->cheatDevice) {
756 gbacore->cheatDevice = GBACheatDeviceCreate();
757 ((struct ARMCore*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbacore->cheatDevice->d;
758 ARMHotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
759 gbacore->cheatDevice->p = core;
760 }
761 return gbacore->cheatDevice;
762}
763
764static size_t _GBACoreSavedataClone(struct mCore* core, void** sram) {
765 struct GBA* gba = core->board;
766 size_t size = GBASavedataSize(&gba->memory.savedata);
767 if (!size) {
768 *sram = NULL;
769 return 0;
770 }
771 *sram = malloc(size);
772 struct VFile* vf = VFileFromMemory(*sram, size);
773 if (!vf) {
774 free(*sram);
775 *sram = NULL;
776 return 0;
777 }
778 bool success = GBASavedataClone(&gba->memory.savedata, vf);
779 vf->close(vf);
780 if (!success) {
781 free(*sram);
782 *sram = NULL;
783 return 0;
784 }
785 return size;
786}
787
788static bool _GBACoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
789 struct VFile* vf = VFileMemChunk(sram, size);
790 if (!vf) {
791 return false;
792 }
793 struct GBA* gba = core->board;
794 bool success = true;
795 if (writeback) {
796 success = GBASavedataLoad(&gba->memory.savedata, vf);
797 vf->close(vf);
798 } else {
799 GBASavedataMask(&gba->memory.savedata, vf, true);
800 }
801 return success;
802}
803
804static size_t _GBACoreListVideoLayers(const struct mCore* core, const struct mCoreChannelInfo** info) {
805 UNUSED(core);
806 if (info) {
807 *info = _GBAVideoLayers;
808 }
809 return sizeof(_GBAVideoLayers) / sizeof(*_GBAVideoLayers);
810}
811
812static size_t _GBACoreListAudioChannels(const struct mCore* core, const struct mCoreChannelInfo** info) {
813 UNUSED(core);
814 if (info) {
815 *info = _GBAAudioChannels;
816 }
817 return sizeof(_GBAAudioChannels) / sizeof(*_GBAAudioChannels);
818}
819
820static void _GBACoreEnableVideoLayer(struct mCore* core, size_t id, bool enable) {
821 struct GBA* gba = core->board;
822 switch (id) {
823 case 0:
824 case 1:
825 case 2:
826 case 3:
827 gba->video.renderer->disableBG[id] = !enable;
828 break;
829 case 4:
830 gba->video.renderer->disableOBJ = !enable;
831 break;
832 default:
833 break;
834 }
835}
836
837static void _GBACoreEnableAudioChannel(struct mCore* core, size_t id, bool enable) {
838 struct GBA* gba = core->board;
839 switch (id) {
840 case 0:
841 case 1:
842 case 2:
843 case 3:
844 gba->audio.psg.forceDisableCh[id] = !enable;
845 break;
846 case 4:
847 gba->audio.forceDisableChA = !enable;
848 break;
849 case 5:
850 gba->audio.forceDisableChB = !enable;
851 break;
852 default:
853 break;
854 }
855}
856
857static void _GBACoreAdjustVideoLayer(struct mCore* core, size_t id, int32_t x, int32_t y) {
858 struct GBACore* gbacore = (struct GBACore*) core;
859 switch (id) {
860 case 0:
861 case 1:
862 case 2:
863 case 3:
864 gbacore->renderer.bg[id].offsetX = x;
865 gbacore->renderer.bg[id].offsetY = y;
866 break;
867 case 4:
868 gbacore->renderer.objOffsetX = x;
869 gbacore->renderer.objOffsetY = y;
870 gbacore->renderer.oamDirty = 1;
871 break;
872 default:
873 return;
874 }
875 memset(gbacore->renderer.scanlineDirty, 0xFFFFFFFF, sizeof(gbacore->renderer.scanlineDirty));
876}
877
878#ifndef MINIMAL_CORE
879static void _GBACoreStartVideoLog(struct mCore* core, struct mVideoLogContext* context) {
880 struct GBACore* gbacore = (struct GBACore*) core;
881 struct GBA* gba = core->board;
882 gbacore->logContext = context;
883
884 struct GBASerializedState* state = mVideoLogContextInitialState(context, NULL);
885 state->id = 0;
886 state->cpu.gprs[ARM_PC] = BASE_WORKING_RAM;
887
888 int channelId = mVideoLoggerAddChannel(context);
889 gbacore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
890 mVideoLoggerRendererCreate(gbacore->proxyRenderer.logger, false);
891 mVideoLoggerAttachChannel(gbacore->proxyRenderer.logger, context, channelId);
892 gbacore->proxyRenderer.logger->block = false;
893
894 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, &gbacore->renderer.d);
895 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
896}
897
898static void _GBACoreEndVideoLog(struct mCore* core) {
899 struct GBACore* gbacore = (struct GBACore*) core;
900 struct GBA* gba = core->board;
901 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
902 free(gbacore->proxyRenderer.logger);
903 gbacore->proxyRenderer.logger = NULL;
904}
905#endif
906
907struct mCore* GBACoreCreate(void) {
908 struct GBACore* gbacore = malloc(sizeof(*gbacore));
909 struct mCore* core = &gbacore->d;
910 memset(&core->opts, 0, sizeof(core->opts));
911 core->cpu = NULL;
912 core->board = NULL;
913 core->debugger = NULL;
914 core->init = _GBACoreInit;
915 core->deinit = _GBACoreDeinit;
916 core->platform = _GBACorePlatform;
917 core->setSync = _GBACoreSetSync;
918 core->loadConfig = _GBACoreLoadConfig;
919 core->desiredVideoDimensions = _GBACoreDesiredVideoDimensions;
920 core->setVideoBuffer = _GBACoreSetVideoBuffer;
921 core->getPixels = _GBACoreGetPixels;
922 core->putPixels = _GBACorePutPixels;
923 core->getAudioChannel = _GBACoreGetAudioChannel;
924 core->setAudioBufferSize = _GBACoreSetAudioBufferSize;
925 core->getAudioBufferSize = _GBACoreGetAudioBufferSize;
926 core->addCoreCallbacks = _GBACoreAddCoreCallbacks;
927 core->clearCoreCallbacks = _GBACoreClearCoreCallbacks;
928 core->setAVStream = _GBACoreSetAVStream;
929 core->isROM = GBAIsROM;
930 core->loadROM = _GBACoreLoadROM;
931 core->loadBIOS = _GBACoreLoadBIOS;
932 core->loadSave = _GBACoreLoadSave;
933 core->loadTemporarySave = _GBACoreLoadTemporarySave;
934 core->loadPatch = _GBACoreLoadPatch;
935 core->unloadROM = _GBACoreUnloadROM;
936 core->checksum = _GBACoreChecksum;
937 core->reset = _GBACoreReset;
938 core->runFrame = _GBACoreRunFrame;
939 core->runLoop = _GBACoreRunLoop;
940 core->step = _GBACoreStep;
941 core->stateSize = _GBACoreStateSize;
942 core->loadState = _GBACoreLoadState;
943 core->saveState = _GBACoreSaveState;
944 core->setKeys = _GBACoreSetKeys;
945 core->addKeys = _GBACoreAddKeys;
946 core->clearKeys = _GBACoreClearKeys;
947 core->frameCounter = _GBACoreFrameCounter;
948 core->frameCycles = _GBACoreFrameCycles;
949 core->frequency = _GBACoreFrequency;
950 core->getGameTitle = _GBACoreGetGameTitle;
951 core->getGameCode = _GBACoreGetGameCode;
952 core->setPeripheral = _GBACoreSetPeripheral;
953 core->busRead8 = _GBACoreBusRead8;
954 core->busRead16 = _GBACoreBusRead16;
955 core->busRead32 = _GBACoreBusRead32;
956 core->busWrite8 = _GBACoreBusWrite8;
957 core->busWrite16 = _GBACoreBusWrite16;
958 core->busWrite32 = _GBACoreBusWrite32;
959 core->rawRead8 = _GBACoreRawRead8;
960 core->rawRead16 = _GBACoreRawRead16;
961 core->rawRead32 = _GBACoreRawRead32;
962 core->rawWrite8 = _GBACoreRawWrite8;
963 core->rawWrite16 = _GBACoreRawWrite16;
964 core->rawWrite32 = _GBACoreRawWrite32;
965 core->listMemoryBlocks = _GBAListMemoryBlocks;
966 core->getMemoryBlock = _GBAGetMemoryBlock;
967#ifdef USE_DEBUGGERS
968 core->supportsDebuggerType = _GBACoreSupportsDebuggerType;
969 core->debuggerPlatform = _GBACoreDebuggerPlatform;
970 core->cliDebuggerSystem = _GBACoreCliDebuggerSystem;
971 core->attachDebugger = _GBACoreAttachDebugger;
972 core->detachDebugger = _GBACoreDetachDebugger;
973 core->loadSymbols = _GBACoreLoadSymbols;
974 core->lookupIdentifier = _GBACoreLookupIdentifier;
975#endif
976 core->cheatDevice = _GBACoreCheatDevice;
977 core->savedataClone = _GBACoreSavedataClone;
978 core->savedataRestore = _GBACoreSavedataRestore;
979 core->listVideoLayers = _GBACoreListVideoLayers;
980 core->listAudioChannels = _GBACoreListAudioChannels;
981 core->enableVideoLayer = _GBACoreEnableVideoLayer;
982 core->enableAudioChannel = _GBACoreEnableAudioChannel;
983 core->adjustVideoLayer = _GBACoreAdjustVideoLayer;
984#ifndef MINIMAL_CORE
985 core->startVideoLog = _GBACoreStartVideoLog;
986 core->endVideoLog = _GBACoreEndVideoLog;
987#endif
988 return core;
989}
990
991#ifndef MINIMAL_CORE
992static void _GBAVLPStartFrameCallback(void *context) {
993 struct mCore* core = context;
994 struct GBACore* gbacore = (struct GBACore*) core;
995 struct GBA* gba = core->board;
996
997 if (!mVideoLoggerRendererRun(gbacore->proxyRenderer.logger, true)) {
998 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
999 mVideoLogContextRewind(gbacore->logContext, core);
1000 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
1001 }
1002}
1003
1004static bool _GBAVLPInit(struct mCore* core) {
1005 struct GBACore* gbacore = (struct GBACore*) core;
1006 if (!_GBACoreInit(core)) {
1007 return false;
1008 }
1009 gbacore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
1010 mVideoLoggerRendererCreate(gbacore->proxyRenderer.logger, true);
1011 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, NULL);
1012 memset(&gbacore->logCallbacks, 0, sizeof(gbacore->logCallbacks));
1013 gbacore->logCallbacks.videoFrameStarted = _GBAVLPStartFrameCallback;
1014 gbacore->logCallbacks.context = core;
1015 core->addCoreCallbacks(core, &gbacore->logCallbacks);
1016 return true;
1017}
1018
1019static void _GBAVLPDeinit(struct mCore* core) {
1020 struct GBACore* gbacore = (struct GBACore*) core;
1021 if (gbacore->logContext) {
1022 mVideoLogContextDestroy(core, gbacore->logContext);
1023 }
1024 _GBACoreDeinit(core);
1025}
1026
1027static void _GBAVLPReset(struct mCore* core) {
1028 struct GBACore* gbacore = (struct GBACore*) core;
1029 struct GBA* gba = (struct GBA*) core->board;
1030 if (gba->video.renderer == &gbacore->proxyRenderer.d) {
1031 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
1032 } else if (gbacore->renderer.outputBuffer) {
1033 struct GBAVideoRenderer* renderer = &gbacore->renderer.d;
1034 GBAVideoAssociateRenderer(&gba->video, renderer);
1035 }
1036
1037 ARMReset(core->cpu);
1038 mVideoLogContextRewind(gbacore->logContext, core);
1039 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
1040
1041 // Make sure CPU loop never spins
1042 GBAHalt(gba);
1043 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1044 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1045}
1046
1047static bool _GBAVLPLoadROM(struct mCore* core, struct VFile* vf) {
1048 struct GBACore* gbacore = (struct GBACore*) core;
1049 gbacore->logContext = mVideoLogContextCreate(NULL);
1050 if (!mVideoLogContextLoad(gbacore->logContext, vf)) {
1051 mVideoLogContextDestroy(core, gbacore->logContext);
1052 gbacore->logContext = NULL;
1053 return false;
1054 }
1055 mVideoLoggerAttachChannel(gbacore->proxyRenderer.logger, gbacore->logContext, 0);
1056 return true;
1057}
1058
1059static bool _GBAVLPLoadState(struct mCore* core, const void* state) {
1060 struct GBA* gba = (struct GBA*) core->board;
1061
1062 gba->timing.root = NULL;
1063 gba->cpu->gprs[ARM_PC] = BASE_WORKING_RAM;
1064 gba->cpu->memory.setActiveRegion(gba->cpu, gba->cpu->gprs[ARM_PC]);
1065
1066 // Make sure CPU loop never spins
1067 GBAHalt(gba);
1068 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1069 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1070 GBAVideoDeserialize(&gba->video, state);
1071 GBAIODeserialize(gba, state);
1072 GBAAudioReset(&gba->audio);
1073
1074 return true;
1075}
1076
1077static bool _returnTrue(struct VFile* vf) {
1078 UNUSED(vf);
1079 return true;
1080}
1081
1082struct mCore* GBAVideoLogPlayerCreate(void) {
1083 struct mCore* core = GBACoreCreate();
1084 core->init = _GBAVLPInit;
1085 core->deinit = _GBAVLPDeinit;
1086 core->reset = _GBAVLPReset;
1087 core->loadROM = _GBAVLPLoadROM;
1088 core->loadState = _GBAVLPLoadState;
1089 core->isROM = _returnTrue;
1090 return core;
1091}
1092#else
1093struct mCore* GBAVideoLogPlayerCreate(void) {
1094 return false;
1095}
1096#endif