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