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#ifdef BUILD_GLES2
21#include <mgba/internal/gba/renderers/gl.h>
22#endif
23#include <mgba/internal/gba/renderers/proxy.h>
24#include <mgba/internal/gba/renderers/video-software.h>
25#include <mgba/internal/gba/savedata.h>
26#include <mgba/internal/gba/serialize.h>
27#ifdef USE_ELF
28#include <mgba-util/elf-read.h>
29#endif
30#include <mgba-util/memory.h>
31#include <mgba-util/patch.h>
32#include <mgba-util/vfs.h>
33
34static const struct mCoreChannelInfo _GBAVideoLayers[] = {
35 { 0, "bg0", "Background 0", NULL },
36 { 1, "bg1", "Background 1", NULL },
37 { 2, "bg2", "Background 2", NULL },
38 { 3, "bg3", "Background 3", NULL },
39 { 4, "obj", "Objects", NULL },
40};
41
42static const struct mCoreChannelInfo _GBAAudioChannels[] = {
43 { 0, "ch1", "PSG Channel 1", "Square/Sweep" },
44 { 1, "ch2", "PSG Channel 2", "Square" },
45 { 2, "ch3", "PSG Channel 3", "PCM" },
46 { 3, "ch4", "PSG Channel 4", "Noise" },
47 { 4, "chA", "FIFO Channel A", NULL },
48 { 5, "chB", "FIFO Channel B", NULL },
49};
50
51static const struct mCoreMemoryBlock _GBAMemoryBlocks[] = {
52 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
53 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
54 { 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 },
55 { 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 },
56 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
57 { 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 },
58 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
59 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
60 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
61 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
62 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
63};
64
65static const struct mCoreMemoryBlock _GBAMemoryBlocksSRAM[] = {
66 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
67 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
68 { 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 },
69 { 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 },
70 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
71 { 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 },
72 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
73 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
74 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
75 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
76 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
77 { REGION_CART_SRAM, "sram", "SRAM", "Static RAM (64kiB)", BASE_CART_SRAM, BASE_CART_SRAM + SIZE_CART_SRAM, SIZE_CART_SRAM, true },
78};
79
80static const struct mCoreMemoryBlock _GBAMemoryBlocksFlash512[] = {
81 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
82 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
83 { 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 },
84 { 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 },
85 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
86 { 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 },
87 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
88 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
89 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
90 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
91 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
92 { 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 },
93};
94
95static const struct mCoreMemoryBlock _GBAMemoryBlocksFlash1M[] = {
96 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
97 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
98 { 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 },
99 { 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 },
100 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
101 { 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 },
102 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
103 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
104 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
105 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
106 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
107 { 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 },
108};
109
110static const struct mCoreMemoryBlock _GBAMemoryBlocksEEPROM[] = {
111 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
112 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
113 { 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 },
114 { 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 },
115 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
116 { 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 },
117 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
118 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
119 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
120 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
121 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
122 { REGION_CART_SRAM_MIRROR, "eeprom", "EEPROM", "EEPROM (8kiB)", 0, SIZE_CART_EEPROM, SIZE_CART_EEPROM, mCORE_MEMORY_RW },
123};
124
125struct mVideoLogContext;
126struct GBACore {
127 struct mCore d;
128 struct GBAVideoSoftwareRenderer renderer;
129#ifdef BUILD_GLES2
130 struct GBAVideoGLRenderer glRenderer;
131#endif
132 struct GBAVideoProxyRenderer proxyRenderer;
133 struct mVideoLogContext* logContext;
134 struct mCoreCallbacks logCallbacks;
135#ifndef DISABLE_THREADING
136 struct mVideoThreadProxy threadProxy;
137#endif
138 int keys;
139 struct mCPUComponent* components[CPU_COMPONENT_MAX];
140 const struct Configuration* overrides;
141 struct mDebuggerPlatform* debuggerPlatform;
142 struct mCheatDevice* cheatDevice;
143};
144
145static bool _GBACoreInit(struct mCore* core) {
146 struct GBACore* gbacore = (struct GBACore*) core;
147
148 struct ARMCore* cpu = anonymousMemoryMap(sizeof(struct ARMCore));
149 struct GBA* gba = anonymousMemoryMap(sizeof(struct GBA));
150 if (!cpu || !gba) {
151 free(cpu);
152 free(gba);
153 return false;
154 }
155 core->cpu = cpu;
156 core->board = gba;
157 core->timing = &gba->timing;
158 core->debugger = NULL;
159 core->symbolTable = NULL;
160 core->videoLogger = NULL;
161 gbacore->overrides = NULL;
162 gbacore->debuggerPlatform = NULL;
163 gbacore->cheatDevice = NULL;
164 gbacore->logContext = NULL;
165
166 GBACreate(gba);
167 // TODO: Restore cheats
168 memset(gbacore->components, 0, sizeof(gbacore->components));
169 ARMSetComponents(cpu, &gba->d, CPU_COMPONENT_MAX, gbacore->components);
170 ARMInit(cpu);
171 mRTCGenericSourceInit(&core->rtc, core);
172 gba->rtcSource = &core->rtc.d;
173
174 GBAVideoSoftwareRendererCreate(&gbacore->renderer);
175 gbacore->renderer.outputBuffer = NULL;
176
177#ifdef BUILD_GLES2
178 GBAVideoGLRendererCreate(&gbacore->glRenderer);
179 gbacore->glRenderer.outputTex = -1;
180#endif
181
182#ifndef DISABLE_THREADING
183 mVideoThreadProxyCreate(&gbacore->threadProxy);
184#endif
185 gbacore->proxyRenderer.logger = NULL;
186
187 gbacore->keys = 0;
188 gba->keySource = &gbacore->keys;
189
190#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
191 mDirectorySetInit(&core->dirs);
192#endif
193
194 return true;
195}
196
197static void _GBACoreDeinit(struct mCore* core) {
198 ARMDeinit(core->cpu);
199 GBADestroy(core->board);
200 mappedMemoryFree(core->cpu, sizeof(struct ARMCore));
201 mappedMemoryFree(core->board, sizeof(struct GBA));
202#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
203 mDirectorySetDeinit(&core->dirs);
204#endif
205
206 struct GBACore* gbacore = (struct GBACore*) core;
207 free(gbacore->debuggerPlatform);
208 if (gbacore->cheatDevice) {
209 mCheatDeviceDestroy(gbacore->cheatDevice);
210 }
211 free(gbacore->cheatDevice);
212 mCoreConfigFreeOpts(&core->opts);
213 free(core);
214}
215
216static enum mPlatform _GBACorePlatform(const struct mCore* core) {
217 UNUSED(core);
218 return PLATFORM_GBA;
219}
220
221static bool _GBACoreSupportsFeature(const struct mCore* core, enum mCoreFeature feature) {
222 UNUSED(core);
223 switch (feature) {
224 case mCORE_FEATURE_OPENGL:
225#ifdef BUILD_GLES2
226 return true;
227#else
228 return false;
229#endif
230 default:
231 return false;
232 }
233}
234
235static void _GBACoreSetSync(struct mCore* core, struct mCoreSync* sync) {
236 struct GBA* gba = core->board;
237 gba->sync = sync;
238}
239
240static void _GBACoreLoadConfig(struct mCore* core, const struct mCoreConfig* config) {
241 struct GBA* gba = core->board;
242 if (core->opts.mute) {
243 gba->audio.masterVolume = 0;
244 } else {
245 gba->audio.masterVolume = core->opts.volume;
246 }
247 gba->video.frameskip = core->opts.frameskip;
248
249#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
250 struct GBACore* gbacore = (struct GBACore*) core;
251 gbacore->overrides = mCoreConfigGetOverridesConst(config);
252#endif
253
254 const char* idleOptimization = mCoreConfigGetValue(config, "idleOptimization");
255 if (idleOptimization) {
256 if (strcasecmp(idleOptimization, "ignore") == 0) {
257 gba->idleOptimization = IDLE_LOOP_IGNORE;
258 } else if (strcasecmp(idleOptimization, "remove") == 0) {
259 gba->idleOptimization = IDLE_LOOP_REMOVE;
260 } else if (strcasecmp(idleOptimization, "detect") == 0) {
261 if (gba->idleLoop == IDLE_LOOP_NONE) {
262 gba->idleOptimization = IDLE_LOOP_DETECT;
263 } else {
264 gba->idleOptimization = IDLE_LOOP_REMOVE;
265 }
266 }
267 }
268
269 int fakeBool = 0;
270 mCoreConfigGetIntValue(config, "allowOpposingDirections", &fakeBool);
271 gba->allowOpposingDirections = fakeBool;
272
273 mCoreConfigCopyValue(&core->config, config, "allowOpposingDirections");
274 mCoreConfigCopyValue(&core->config, config, "gba.bios");
275
276#ifndef DISABLE_THREADING
277 mCoreConfigCopyValue(&core->config, config, "threadedVideo");
278#endif
279 mCoreConfigCopyValue(&core->config, config, "hwaccelVideo");
280 mCoreConfigCopyValue(&core->config, config, "videoScale");
281}
282
283static void _GBACoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
284#ifdef BUILD_GLES2
285 struct GBACore* gbacore = (struct GBACore*) core;
286 int scale = gbacore->glRenderer.scale;
287#else
288 int scale = 1;
289#endif
290
291 *width = GBA_VIDEO_HORIZONTAL_PIXELS * scale;
292 *height = GBA_VIDEO_VERTICAL_PIXELS * scale;
293}
294
295static void _GBACoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
296 struct GBACore* gbacore = (struct GBACore*) core;
297 gbacore->renderer.outputBuffer = buffer;
298 gbacore->renderer.outputBufferStride = stride;
299 memset(gbacore->renderer.scanlineDirty, 0xFFFFFFFF, sizeof(gbacore->renderer.scanlineDirty));
300}
301
302static void _GBACoreSetVideoGLTex(struct mCore* core, unsigned texid) {
303#ifdef BUILD_GLES2
304 struct GBACore* gbacore = (struct GBACore*) core;
305 gbacore->glRenderer.outputTex = texid;
306#else
307 UNUSED(core);
308 UNUSED(texid);
309#endif
310}
311
312static void _GBACoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
313 struct GBA* gba = core->board;
314 gba->video.renderer->getPixels(gba->video.renderer, stride, buffer);
315}
316
317static void _GBACorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
318 struct GBA* gba = core->board;
319 gba->video.renderer->putPixels(gba->video.renderer, stride, buffer);
320}
321
322static struct blip_t* _GBACoreGetAudioChannel(struct mCore* core, int ch) {
323 struct GBA* gba = core->board;
324 switch (ch) {
325 case 0:
326 return gba->audio.psg.left;
327 case 1:
328 return gba->audio.psg.right;
329 default:
330 return NULL;
331 }
332}
333
334static void _GBACoreSetAudioBufferSize(struct mCore* core, size_t samples) {
335 struct GBA* gba = core->board;
336 GBAAudioResizeBuffer(&gba->audio, samples);
337}
338
339static size_t _GBACoreGetAudioBufferSize(struct mCore* core) {
340 struct GBA* gba = core->board;
341 return gba->audio.samples;
342}
343
344static void _GBACoreAddCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
345 struct GBA* gba = core->board;
346 *mCoreCallbacksListAppend(&gba->coreCallbacks) = *coreCallbacks;
347}
348
349static void _GBACoreClearCoreCallbacks(struct mCore* core) {
350 struct GBA* gba = core->board;
351 mCoreCallbacksListClear(&gba->coreCallbacks);
352}
353
354static void _GBACoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
355 struct GBA* gba = core->board;
356 gba->stream = stream;
357 if (stream && stream->videoDimensionsChanged) {
358 unsigned width, height;
359 core->desiredVideoDimensions(core, &width, &height);
360 stream->videoDimensionsChanged(stream, width, height);
361 }
362}
363
364static bool _GBACoreLoadROM(struct mCore* core, struct VFile* vf) {
365#ifdef USE_ELF
366 struct ELF* elf = ELFOpen(vf);
367 if (elf) {
368 GBALoadNull(core->board);
369 bool success = mCoreLoadELF(core, elf);
370 ELFClose(elf);
371 return success;
372 }
373#endif
374 if (GBAIsMB(vf)) {
375 return GBALoadMB(core->board, vf);
376 }
377 return GBALoadROM(core->board, vf);
378}
379
380static bool _GBACoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
381 UNUSED(type);
382 if (!GBAIsBIOS(vf)) {
383 return false;
384 }
385 GBALoadBIOS(core->board, vf);
386 return true;
387}
388
389static bool _GBACoreLoadSave(struct mCore* core, struct VFile* vf) {
390 return GBALoadSave(core->board, vf);
391}
392
393static bool _GBACoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
394 struct GBA* gba = core->board;
395 GBASavedataMask(&gba->memory.savedata, vf, false);
396 return true; // TODO: Return a real value
397}
398
399static bool _GBACoreLoadPatch(struct mCore* core, struct VFile* vf) {
400 if (!vf) {
401 return false;
402 }
403 struct Patch patch;
404 if (!loadPatch(vf, &patch)) {
405 return false;
406 }
407 GBAApplyPatch(core->board, &patch);
408 return true;
409}
410
411static void _GBACoreUnloadROM(struct mCore* core) {
412 struct GBACore* gbacore = (struct GBACore*) core;
413 struct ARMCore* cpu = core->cpu;
414 if (gbacore->cheatDevice) {
415 ARMHotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
416 cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
417 mCheatDeviceDestroy(gbacore->cheatDevice);
418 gbacore->cheatDevice = NULL;
419 }
420 return GBAUnloadROM(core->board);
421}
422
423static void _GBACoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
424 struct GBA* gba = (struct GBA*) core->board;
425 switch (type) {
426 case CHECKSUM_CRC32:
427 memcpy(data, &gba->romCrc32, sizeof(gba->romCrc32));
428 break;
429 }
430 return;
431}
432
433static void _GBACoreReset(struct mCore* core) {
434 struct GBACore* gbacore = (struct GBACore*) core;
435 struct GBA* gba = (struct GBA*) core->board;
436 if (gbacore->renderer.outputBuffer
437#ifdef BUILD_GLES2
438 || gbacore->glRenderer.outputTex != (unsigned) -1
439#endif
440 ) {
441 struct GBAVideoRenderer* renderer;
442 if (gbacore->renderer.outputBuffer) {
443 renderer = &gbacore->renderer.d;
444 }
445 int fakeBool;
446#ifdef BUILD_GLES2
447 if (gbacore->glRenderer.outputTex != (unsigned) -1 && mCoreConfigGetIntValue(&core->config, "hwaccelVideo", &fakeBool) && fakeBool) {
448 renderer = &gbacore->glRenderer.d;
449 mCoreConfigGetIntValue(&core->config, "videoScale", &gbacore->glRenderer.scale);
450 }
451#endif
452#ifndef DISABLE_THREADING
453 if (mCoreConfigGetIntValue(&core->config, "threadedVideo", &fakeBool) && fakeBool) {
454 if (!core->videoLogger) {
455 core->videoLogger = &gbacore->threadProxy.d;
456 }
457 }
458#endif
459 if (core->videoLogger) {
460 gbacore->proxyRenderer.logger = core->videoLogger;
461 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, renderer);
462 renderer = &gbacore->proxyRenderer.d;
463 }
464 GBAVideoAssociateRenderer(&gba->video, renderer);
465 }
466
467 GBAOverrideApplyDefaults(gba, gbacore->overrides);
468
469#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
470 if (!gba->biosVf && core->opts.useBios) {
471 struct VFile* bios = NULL;
472 bool found = false;
473 if (core->opts.bios) {
474 bios = VFileOpen(core->opts.bios, O_RDONLY);
475 if (bios && GBAIsBIOS(bios)) {
476 found = true;
477 } else if (bios) {
478 bios->close(bios);
479 bios = NULL;
480 }
481 }
482 if (!found) {
483 const char* configPath = mCoreConfigGetValue(&core->config, "gba.bios");
484 if (configPath) {
485 bios = VFileOpen(configPath, O_RDONLY);
486 }
487 if (bios && GBAIsBIOS(bios)) {
488 found = true;
489 } else if (bios) {
490 bios->close(bios);
491 bios = NULL;
492 }
493 }
494 if (!found) {
495 char path[PATH_MAX];
496 mCoreConfigDirectory(path, PATH_MAX);
497 strncat(path, PATH_SEP "gba_bios.bin", PATH_MAX - strlen(path));
498 bios = VFileOpen(path, O_RDONLY);
499 if (bios && GBAIsBIOS(bios)) {
500 found = true;
501 } else if (bios) {
502 bios->close(bios);
503 bios = NULL;
504 }
505 }
506 if (bios) {
507 GBALoadBIOS(gba, bios);
508 }
509 }
510#endif
511
512 ARMReset(core->cpu);
513 if (core->opts.skipBios && gba->isPristine) {
514 GBASkipBIOS(core->board);
515 }
516}
517
518static void _GBACoreRunFrame(struct mCore* core) {
519 struct GBA* gba = core->board;
520 int32_t frameCounter = gba->video.frameCounter;
521 while (gba->video.frameCounter == frameCounter) {
522 ARMRunLoop(core->cpu);
523 }
524}
525
526static void _GBACoreRunLoop(struct mCore* core) {
527 ARMRunLoop(core->cpu);
528}
529
530static void _GBACoreStep(struct mCore* core) {
531 ARMRun(core->cpu);
532}
533
534static size_t _GBACoreStateSize(struct mCore* core) {
535 UNUSED(core);
536 return sizeof(struct GBASerializedState);
537}
538
539static bool _GBACoreLoadState(struct mCore* core, const void* state) {
540 return GBADeserialize(core->board, state);
541}
542
543static bool _GBACoreSaveState(struct mCore* core, void* state) {
544 GBASerialize(core->board, state);
545 return true;
546}
547
548static void _GBACoreSetKeys(struct mCore* core, uint32_t keys) {
549 struct GBACore* gbacore = (struct GBACore*) core;
550 gbacore->keys = keys;
551 GBATestKeypadIRQ(core->board);
552}
553
554static void _GBACoreAddKeys(struct mCore* core, uint32_t keys) {
555 struct GBACore* gbacore = (struct GBACore*) core;
556 gbacore->keys |= keys;
557 GBATestKeypadIRQ(core->board);
558}
559
560static void _GBACoreClearKeys(struct mCore* core, uint32_t keys) {
561 struct GBACore* gbacore = (struct GBACore*) core;
562 gbacore->keys &= ~keys;
563}
564
565static int32_t _GBACoreFrameCounter(const struct mCore* core) {
566 const struct GBA* gba = core->board;
567 return gba->video.frameCounter;
568}
569
570static int32_t _GBACoreFrameCycles(const struct mCore* core) {
571 UNUSED(core);
572 return VIDEO_TOTAL_LENGTH;
573}
574
575static int32_t _GBACoreFrequency(const struct mCore* core) {
576 UNUSED(core);
577 return GBA_ARM7TDMI_FREQUENCY;
578}
579
580static void _GBACoreGetGameTitle(const struct mCore* core, char* title) {
581 GBAGetGameTitle(core->board, title);
582}
583
584static void _GBACoreGetGameCode(const struct mCore* core, char* title) {
585 GBAGetGameCode(core->board, title);
586}
587
588static void _GBACoreSetPeripheral(struct mCore* core, int type, void* periph) {
589 struct GBA* gba = core->board;
590 switch (type) {
591 case mPERIPH_ROTATION:
592 gba->rotationSource = periph;
593 break;
594 case mPERIPH_RUMBLE:
595 gba->rumble = periph;
596 break;
597 case mPERIPH_GBA_LUMINANCE:
598 gba->luminanceSource = periph;
599 break;
600 case mPERIPH_GBA_BATTLECHIP_GATE:
601 GBASIOSetDriver(&gba->sio, periph, SIO_MULTI);
602 GBASIOSetDriver(&gba->sio, periph, SIO_NORMAL_32);
603 break;
604 default:
605 return;
606 }
607}
608
609static uint32_t _GBACoreBusRead8(struct mCore* core, uint32_t address) {
610 struct ARMCore* cpu = core->cpu;
611 return cpu->memory.load8(cpu, address, 0);
612}
613
614static uint32_t _GBACoreBusRead16(struct mCore* core, uint32_t address) {
615 struct ARMCore* cpu = core->cpu;
616 return cpu->memory.load16(cpu, address, 0);
617
618}
619
620static uint32_t _GBACoreBusRead32(struct mCore* core, uint32_t address) {
621 struct ARMCore* cpu = core->cpu;
622 return cpu->memory.load32(cpu, address, 0);
623}
624
625static void _GBACoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
626 struct ARMCore* cpu = core->cpu;
627 cpu->memory.store8(cpu, address, value, 0);
628}
629
630static void _GBACoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
631 struct ARMCore* cpu = core->cpu;
632 cpu->memory.store16(cpu, address, value, 0);
633}
634
635static void _GBACoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
636 struct ARMCore* cpu = core->cpu;
637 cpu->memory.store32(cpu, address, value, 0);
638}
639
640static uint32_t _GBACoreRawRead8(struct mCore* core, uint32_t address, int segment) {
641 UNUSED(segment);
642 struct ARMCore* cpu = core->cpu;
643 return GBAView8(cpu, address);
644}
645
646static uint32_t _GBACoreRawRead16(struct mCore* core, uint32_t address, int segment) {
647 UNUSED(segment);
648 struct ARMCore* cpu = core->cpu;
649 return GBAView16(cpu, address);
650}
651
652static uint32_t _GBACoreRawRead32(struct mCore* core, uint32_t address, int segment) {
653 UNUSED(segment);
654 struct ARMCore* cpu = core->cpu;
655 return GBAView32(cpu, address);
656}
657
658static void _GBACoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
659 UNUSED(segment);
660 struct ARMCore* cpu = core->cpu;
661 GBAPatch8(cpu, address, value, NULL);
662}
663
664static void _GBACoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
665 UNUSED(segment);
666 struct ARMCore* cpu = core->cpu;
667 GBAPatch16(cpu, address, value, NULL);
668}
669
670static void _GBACoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
671 UNUSED(segment);
672 struct ARMCore* cpu = core->cpu;
673 GBAPatch32(cpu, address, value, NULL);
674}
675
676size_t _GBAListMemoryBlocks(const struct mCore* core, const struct mCoreMemoryBlock** blocks) {
677 const struct GBA* gba = core->board;
678 switch (gba->memory.savedata.type) {
679 case SAVEDATA_SRAM:
680 *blocks = _GBAMemoryBlocksSRAM;
681 return sizeof(_GBAMemoryBlocksSRAM) / sizeof(*_GBAMemoryBlocksSRAM);
682 case SAVEDATA_FLASH512:
683 *blocks = _GBAMemoryBlocksFlash512;
684 return sizeof(_GBAMemoryBlocksFlash512) / sizeof(*_GBAMemoryBlocksFlash512);
685 case SAVEDATA_FLASH1M:
686 *blocks = _GBAMemoryBlocksFlash1M;
687 return sizeof(_GBAMemoryBlocksFlash1M) / sizeof(*_GBAMemoryBlocksFlash1M);
688 case SAVEDATA_EEPROM:
689 *blocks = _GBAMemoryBlocksEEPROM;
690 return sizeof(_GBAMemoryBlocksEEPROM) / sizeof(*_GBAMemoryBlocksEEPROM);
691 default:
692 *blocks = _GBAMemoryBlocks;
693 return sizeof(_GBAMemoryBlocks) / sizeof(*_GBAMemoryBlocks);
694 }
695}
696
697void* _GBAGetMemoryBlock(struct mCore* core, size_t id, size_t* sizeOut) {
698 struct GBA* gba = core->board;
699 switch (id) {
700 default:
701 return NULL;
702 case REGION_BIOS:
703 *sizeOut = SIZE_BIOS;
704 return gba->memory.bios;
705 case REGION_WORKING_RAM:
706 *sizeOut = SIZE_WORKING_RAM;
707 return gba->memory.wram;
708 case REGION_WORKING_IRAM:
709 *sizeOut = SIZE_WORKING_IRAM;
710 return gba->memory.iwram;
711 case REGION_PALETTE_RAM:
712 *sizeOut = SIZE_PALETTE_RAM;
713 return gba->video.palette;
714 case REGION_VRAM:
715 *sizeOut = SIZE_VRAM;
716 return gba->video.vram;
717 case REGION_OAM:
718 *sizeOut = SIZE_OAM;
719 return gba->video.oam.raw;
720 case REGION_CART0:
721 case REGION_CART1:
722 case REGION_CART2:
723 *sizeOut = gba->memory.romSize;
724 return gba->memory.rom;
725 case REGION_CART_SRAM:
726 if (gba->memory.savedata.type == SAVEDATA_FLASH1M) {
727 *sizeOut = SIZE_CART_FLASH1M;
728 return gba->memory.savedata.currentBank;
729 }
730 // Fall through
731 case REGION_CART_SRAM_MIRROR:
732 *sizeOut = GBASavedataSize(&gba->memory.savedata);
733 return gba->memory.savedata.data;
734 }
735}
736
737#ifdef USE_DEBUGGERS
738static bool _GBACoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
739 UNUSED(core);
740 switch (type) {
741 case DEBUGGER_CLI:
742 return true;
743#ifdef USE_GDB_STUB
744 case DEBUGGER_GDB:
745 return true;
746#endif
747 default:
748 return false;
749 }
750}
751
752static struct mDebuggerPlatform* _GBACoreDebuggerPlatform(struct mCore* core) {
753 struct GBACore* gbacore = (struct GBACore*) core;
754 if (!gbacore->debuggerPlatform) {
755 gbacore->debuggerPlatform = ARMDebuggerPlatformCreate();
756 }
757 return gbacore->debuggerPlatform;
758}
759
760static struct CLIDebuggerSystem* _GBACoreCliDebuggerSystem(struct mCore* core) {
761 return &GBACLIDebuggerCreate(core)->d;
762}
763
764static void _GBACoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
765 if (core->debugger) {
766 GBADetachDebugger(core->board);
767 }
768 GBAAttachDebugger(core->board, debugger);
769 core->debugger = debugger;
770}
771
772static void _GBACoreDetachDebugger(struct mCore* core) {
773 GBADetachDebugger(core->board);
774 core->debugger = NULL;
775}
776
777static void _GBACoreLoadSymbols(struct mCore* core, struct VFile* vf) {
778 bool closeAfter = false;
779 core->symbolTable = mDebuggerSymbolTableCreate();
780#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
781#ifdef USE_ELF
782 if (!vf) {
783 closeAfter = true;
784 vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".elf", O_RDONLY);
785 }
786#endif
787 if (!vf) {
788 closeAfter = true;
789 vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".sym", O_RDONLY);
790 }
791#endif
792 if (!vf) {
793 return;
794 }
795#ifdef USE_ELF
796 struct ELF* elf = ELFOpen(vf);
797 if (elf) {
798#ifdef USE_DEBUGGERS
799 mCoreLoadELFSymbols(core->symbolTable, elf);
800#endif
801 ELFClose(elf);
802 } else
803#endif
804 {
805 mDebuggerLoadARMIPSSymbols(core->symbolTable, vf);
806 }
807 if (closeAfter) {
808 vf->close(vf);
809 }
810}
811
812static bool _GBACoreLookupIdentifier(struct mCore* core, const char* name, int32_t* value, int* segment) {
813 UNUSED(core);
814 *segment = -1;
815 int i;
816 for (i = 0; i < REG_MAX; i += 2) {
817 const char* reg = GBAIORegisterNames[i >> 1];
818 if (reg && strcasecmp(reg, name) == 0) {
819 *value = BASE_IO | i;
820 return true;
821 }
822 }
823 return false;
824}
825#endif
826
827static struct mCheatDevice* _GBACoreCheatDevice(struct mCore* core) {
828 struct GBACore* gbacore = (struct GBACore*) core;
829 if (!gbacore->cheatDevice) {
830 gbacore->cheatDevice = GBACheatDeviceCreate();
831 ((struct ARMCore*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbacore->cheatDevice->d;
832 ARMHotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
833 gbacore->cheatDevice->p = core;
834 }
835 return gbacore->cheatDevice;
836}
837
838static size_t _GBACoreSavedataClone(struct mCore* core, void** sram) {
839 struct GBA* gba = core->board;
840 size_t size = GBASavedataSize(&gba->memory.savedata);
841 if (!size) {
842 *sram = NULL;
843 return 0;
844 }
845 *sram = malloc(size);
846 struct VFile* vf = VFileFromMemory(*sram, size);
847 if (!vf) {
848 free(*sram);
849 *sram = NULL;
850 return 0;
851 }
852 bool success = GBASavedataClone(&gba->memory.savedata, vf);
853 vf->close(vf);
854 if (!success) {
855 free(*sram);
856 *sram = NULL;
857 return 0;
858 }
859 return size;
860}
861
862static bool _GBACoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
863 struct VFile* vf = VFileMemChunk(sram, size);
864 if (!vf) {
865 return false;
866 }
867 struct GBA* gba = core->board;
868 bool success = true;
869 if (writeback) {
870 success = GBASavedataLoad(&gba->memory.savedata, vf);
871 vf->close(vf);
872 } else {
873 GBASavedataMask(&gba->memory.savedata, vf, true);
874 }
875 return success;
876}
877
878static size_t _GBACoreListVideoLayers(const struct mCore* core, const struct mCoreChannelInfo** info) {
879 UNUSED(core);
880 if (info) {
881 *info = _GBAVideoLayers;
882 }
883 return sizeof(_GBAVideoLayers) / sizeof(*_GBAVideoLayers);
884}
885
886static size_t _GBACoreListAudioChannels(const struct mCore* core, const struct mCoreChannelInfo** info) {
887 UNUSED(core);
888 if (info) {
889 *info = _GBAAudioChannels;
890 }
891 return sizeof(_GBAAudioChannels) / sizeof(*_GBAAudioChannels);
892}
893
894static void _GBACoreEnableVideoLayer(struct mCore* core, size_t id, bool enable) {
895 struct GBA* gba = core->board;
896 switch (id) {
897 case 0:
898 case 1:
899 case 2:
900 case 3:
901 gba->video.renderer->disableBG[id] = !enable;
902 break;
903 case 4:
904 gba->video.renderer->disableOBJ = !enable;
905 break;
906 default:
907 break;
908 }
909}
910
911static void _GBACoreEnableAudioChannel(struct mCore* core, size_t id, bool enable) {
912 struct GBA* gba = core->board;
913 switch (id) {
914 case 0:
915 case 1:
916 case 2:
917 case 3:
918 gba->audio.psg.forceDisableCh[id] = !enable;
919 break;
920 case 4:
921 gba->audio.forceDisableChA = !enable;
922 break;
923 case 5:
924 gba->audio.forceDisableChB = !enable;
925 break;
926 default:
927 break;
928 }
929}
930
931static void _GBACoreAdjustVideoLayer(struct mCore* core, size_t id, int32_t x, int32_t y) {
932 struct GBACore* gbacore = (struct GBACore*) core;
933 switch (id) {
934 case 0:
935 case 1:
936 case 2:
937 case 3:
938 gbacore->renderer.bg[id].offsetX = x;
939 gbacore->renderer.bg[id].offsetY = y;
940 break;
941 case 4:
942 gbacore->renderer.objOffsetX = x;
943 gbacore->renderer.objOffsetY = y;
944 gbacore->renderer.oamDirty = 1;
945 break;
946 default:
947 return;
948 }
949 memset(gbacore->renderer.scanlineDirty, 0xFFFFFFFF, sizeof(gbacore->renderer.scanlineDirty));
950}
951
952#ifndef MINIMAL_CORE
953static void _GBACoreStartVideoLog(struct mCore* core, struct mVideoLogContext* context) {
954 struct GBACore* gbacore = (struct GBACore*) core;
955 struct GBA* gba = core->board;
956 gbacore->logContext = context;
957
958 struct GBASerializedState* state = mVideoLogContextInitialState(context, NULL);
959 state->id = 0;
960 state->cpu.gprs[ARM_PC] = BASE_WORKING_RAM;
961
962 int channelId = mVideoLoggerAddChannel(context);
963 gbacore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
964 mVideoLoggerRendererCreate(gbacore->proxyRenderer.logger, false);
965 mVideoLoggerAttachChannel(gbacore->proxyRenderer.logger, context, channelId);
966 gbacore->proxyRenderer.logger->block = false;
967
968 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, &gbacore->renderer.d);
969 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
970}
971
972static void _GBACoreEndVideoLog(struct mCore* core) {
973 struct GBACore* gbacore = (struct GBACore*) core;
974 struct GBA* gba = core->board;
975 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
976 free(gbacore->proxyRenderer.logger);
977 gbacore->proxyRenderer.logger = NULL;
978}
979#endif
980
981struct mCore* GBACoreCreate(void) {
982 struct GBACore* gbacore = malloc(sizeof(*gbacore));
983 struct mCore* core = &gbacore->d;
984 memset(&core->opts, 0, sizeof(core->opts));
985 core->cpu = NULL;
986 core->board = NULL;
987 core->debugger = NULL;
988 core->init = _GBACoreInit;
989 core->deinit = _GBACoreDeinit;
990 core->platform = _GBACorePlatform;
991 core->supportsFeature = _GBACoreSupportsFeature;
992 core->setSync = _GBACoreSetSync;
993 core->loadConfig = _GBACoreLoadConfig;
994 core->desiredVideoDimensions = _GBACoreDesiredVideoDimensions;
995 core->setVideoBuffer = _GBACoreSetVideoBuffer;
996 core->setVideoGLTex = _GBACoreSetVideoGLTex;
997 core->getPixels = _GBACoreGetPixels;
998 core->putPixels = _GBACorePutPixels;
999 core->getAudioChannel = _GBACoreGetAudioChannel;
1000 core->setAudioBufferSize = _GBACoreSetAudioBufferSize;
1001 core->getAudioBufferSize = _GBACoreGetAudioBufferSize;
1002 core->addCoreCallbacks = _GBACoreAddCoreCallbacks;
1003 core->clearCoreCallbacks = _GBACoreClearCoreCallbacks;
1004 core->setAVStream = _GBACoreSetAVStream;
1005 core->isROM = GBAIsROM;
1006 core->loadROM = _GBACoreLoadROM;
1007 core->loadBIOS = _GBACoreLoadBIOS;
1008 core->loadSave = _GBACoreLoadSave;
1009 core->loadTemporarySave = _GBACoreLoadTemporarySave;
1010 core->loadPatch = _GBACoreLoadPatch;
1011 core->unloadROM = _GBACoreUnloadROM;
1012 core->checksum = _GBACoreChecksum;
1013 core->reset = _GBACoreReset;
1014 core->runFrame = _GBACoreRunFrame;
1015 core->runLoop = _GBACoreRunLoop;
1016 core->step = _GBACoreStep;
1017 core->stateSize = _GBACoreStateSize;
1018 core->loadState = _GBACoreLoadState;
1019 core->saveState = _GBACoreSaveState;
1020 core->setKeys = _GBACoreSetKeys;
1021 core->addKeys = _GBACoreAddKeys;
1022 core->clearKeys = _GBACoreClearKeys;
1023 core->frameCounter = _GBACoreFrameCounter;
1024 core->frameCycles = _GBACoreFrameCycles;
1025 core->frequency = _GBACoreFrequency;
1026 core->getGameTitle = _GBACoreGetGameTitle;
1027 core->getGameCode = _GBACoreGetGameCode;
1028 core->setPeripheral = _GBACoreSetPeripheral;
1029 core->busRead8 = _GBACoreBusRead8;
1030 core->busRead16 = _GBACoreBusRead16;
1031 core->busRead32 = _GBACoreBusRead32;
1032 core->busWrite8 = _GBACoreBusWrite8;
1033 core->busWrite16 = _GBACoreBusWrite16;
1034 core->busWrite32 = _GBACoreBusWrite32;
1035 core->rawRead8 = _GBACoreRawRead8;
1036 core->rawRead16 = _GBACoreRawRead16;
1037 core->rawRead32 = _GBACoreRawRead32;
1038 core->rawWrite8 = _GBACoreRawWrite8;
1039 core->rawWrite16 = _GBACoreRawWrite16;
1040 core->rawWrite32 = _GBACoreRawWrite32;
1041 core->listMemoryBlocks = _GBAListMemoryBlocks;
1042 core->getMemoryBlock = _GBAGetMemoryBlock;
1043#ifdef USE_DEBUGGERS
1044 core->supportsDebuggerType = _GBACoreSupportsDebuggerType;
1045 core->debuggerPlatform = _GBACoreDebuggerPlatform;
1046 core->cliDebuggerSystem = _GBACoreCliDebuggerSystem;
1047 core->attachDebugger = _GBACoreAttachDebugger;
1048 core->detachDebugger = _GBACoreDetachDebugger;
1049 core->loadSymbols = _GBACoreLoadSymbols;
1050 core->lookupIdentifier = _GBACoreLookupIdentifier;
1051#endif
1052 core->cheatDevice = _GBACoreCheatDevice;
1053 core->savedataClone = _GBACoreSavedataClone;
1054 core->savedataRestore = _GBACoreSavedataRestore;
1055 core->listVideoLayers = _GBACoreListVideoLayers;
1056 core->listAudioChannels = _GBACoreListAudioChannels;
1057 core->enableVideoLayer = _GBACoreEnableVideoLayer;
1058 core->enableAudioChannel = _GBACoreEnableAudioChannel;
1059 core->adjustVideoLayer = _GBACoreAdjustVideoLayer;
1060#ifndef MINIMAL_CORE
1061 core->startVideoLog = _GBACoreStartVideoLog;
1062 core->endVideoLog = _GBACoreEndVideoLog;
1063#endif
1064 return core;
1065}
1066
1067#ifndef MINIMAL_CORE
1068static void _GBAVLPStartFrameCallback(void *context) {
1069 struct mCore* core = context;
1070 struct GBACore* gbacore = (struct GBACore*) core;
1071 struct GBA* gba = core->board;
1072
1073 if (!mVideoLoggerRendererRun(gbacore->proxyRenderer.logger, true)) {
1074 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
1075 mVideoLogContextRewind(gbacore->logContext, core);
1076 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
1077 }
1078}
1079
1080static bool _GBAVLPInit(struct mCore* core) {
1081 struct GBACore* gbacore = (struct GBACore*) core;
1082 if (!_GBACoreInit(core)) {
1083 return false;
1084 }
1085 gbacore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
1086 mVideoLoggerRendererCreate(gbacore->proxyRenderer.logger, true);
1087 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, NULL);
1088 memset(&gbacore->logCallbacks, 0, sizeof(gbacore->logCallbacks));
1089 gbacore->logCallbacks.videoFrameStarted = _GBAVLPStartFrameCallback;
1090 gbacore->logCallbacks.context = core;
1091 core->addCoreCallbacks(core, &gbacore->logCallbacks);
1092 return true;
1093}
1094
1095static void _GBAVLPDeinit(struct mCore* core) {
1096 struct GBACore* gbacore = (struct GBACore*) core;
1097 if (gbacore->logContext) {
1098 mVideoLogContextDestroy(core, gbacore->logContext);
1099 }
1100 _GBACoreDeinit(core);
1101}
1102
1103static void _GBAVLPReset(struct mCore* core) {
1104 struct GBACore* gbacore = (struct GBACore*) core;
1105 struct GBA* gba = (struct GBA*) core->board;
1106 if (gba->video.renderer == &gbacore->proxyRenderer.d) {
1107 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
1108 } else if (gbacore->renderer.outputBuffer) {
1109 struct GBAVideoRenderer* renderer = &gbacore->renderer.d;
1110 GBAVideoAssociateRenderer(&gba->video, renderer);
1111 }
1112
1113 ARMReset(core->cpu);
1114 mVideoLogContextRewind(gbacore->logContext, core);
1115 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
1116
1117 // Make sure CPU loop never spins
1118 GBAHalt(gba);
1119 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1120 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1121}
1122
1123static bool _GBAVLPLoadROM(struct mCore* core, struct VFile* vf) {
1124 struct GBACore* gbacore = (struct GBACore*) core;
1125 gbacore->logContext = mVideoLogContextCreate(NULL);
1126 if (!mVideoLogContextLoad(gbacore->logContext, vf)) {
1127 mVideoLogContextDestroy(core, gbacore->logContext);
1128 gbacore->logContext = NULL;
1129 return false;
1130 }
1131 mVideoLoggerAttachChannel(gbacore->proxyRenderer.logger, gbacore->logContext, 0);
1132 return true;
1133}
1134
1135static bool _GBAVLPLoadState(struct mCore* core, const void* state) {
1136 struct GBA* gba = (struct GBA*) core->board;
1137
1138 gba->timing.root = NULL;
1139 gba->cpu->gprs[ARM_PC] = BASE_WORKING_RAM;
1140 gba->cpu->memory.setActiveRegion(gba->cpu, gba->cpu->gprs[ARM_PC]);
1141
1142 // Make sure CPU loop never spins
1143 GBAHalt(gba);
1144 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1145 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1146 GBAVideoDeserialize(&gba->video, state);
1147 GBAIODeserialize(gba, state);
1148 GBAAudioReset(&gba->audio);
1149
1150 return true;
1151}
1152
1153static bool _returnTrue(struct VFile* vf) {
1154 UNUSED(vf);
1155 return true;
1156}
1157
1158struct mCore* GBAVideoLogPlayerCreate(void) {
1159 struct mCore* core = GBACoreCreate();
1160 core->init = _GBAVLPInit;
1161 core->deinit = _GBAVLPDeinit;
1162 core->reset = _GBAVLPReset;
1163 core->loadROM = _GBAVLPLoadROM;
1164 core->loadState = _GBAVLPLoadState;
1165 core->isROM = _returnTrue;
1166 return core;
1167}
1168#else
1169struct mCore* GBAVideoLogPlayerCreate(void) {
1170 return false;
1171}
1172#endif