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/audio-mixer.h>
16#include <mgba/internal/gba/extra/cli.h>
17#include <mgba/internal/gba/overrides.h>
18#ifndef DISABLE_THREADING
19#include <mgba/feature/thread-proxy.h>
20#endif
21#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
22#include <mgba/internal/gba/renderers/gl.h>
23#endif
24#include <mgba/internal/gba/renderers/proxy.h>
25#include <mgba/internal/gba/renderers/video-software.h>
26#include <mgba/internal/gba/savedata.h>
27#include <mgba/internal/gba/serialize.h>
28#ifdef USE_ELF
29#include <mgba-util/elf-read.h>
30#endif
31#include <mgba-util/memory.h>
32#include <mgba-util/patch.h>
33#include <mgba-util/vfs.h>
34
35static const struct mCoreChannelInfo _GBAVideoLayers[] = {
36 { 0, "bg0", "Background 0", NULL },
37 { 1, "bg1", "Background 1", NULL },
38 { 2, "bg2", "Background 2", NULL },
39 { 3, "bg3", "Background 3", NULL },
40 { 4, "obj", "Objects", NULL },
41};
42
43static const struct mCoreChannelInfo _GBAAudioChannels[] = {
44 { 0, "ch1", "PSG Channel 1", "Square/Sweep" },
45 { 1, "ch2", "PSG Channel 2", "Square" },
46 { 2, "ch3", "PSG Channel 3", "PCM" },
47 { 3, "ch4", "PSG Channel 4", "Noise" },
48 { 4, "chA", "FIFO Channel A", NULL },
49 { 5, "chB", "FIFO Channel B", NULL },
50};
51
52static const struct mCoreMemoryBlock _GBAMemoryBlocks[] = {
53 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
54 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
55 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
56 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
57 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
58 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
59 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
60 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
61 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
62 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
63 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
64};
65
66static const struct mCoreMemoryBlock _GBAMemoryBlocksSRAM[] = {
67 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
68 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
69 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
70 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
71 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
72 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
73 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
74 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
75 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
76 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
77 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
78 { REGION_CART_SRAM, "sram", "SRAM", "Static RAM (64kiB)", BASE_CART_SRAM, BASE_CART_SRAM + SIZE_CART_SRAM, SIZE_CART_SRAM, true },
79};
80
81static const struct mCoreMemoryBlock _GBAMemoryBlocksFlash512[] = {
82 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
83 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
84 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
85 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
86 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
87 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
88 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
89 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
90 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
91 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
92 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
93 { REGION_CART_SRAM, "sram", "Flash", "Flash Memory (64kiB)", BASE_CART_SRAM, BASE_CART_SRAM + SIZE_CART_FLASH512, SIZE_CART_FLASH512, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
94};
95
96static const struct mCoreMemoryBlock _GBAMemoryBlocksFlash1M[] = {
97 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
98 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
99 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
100 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
101 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
102 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
103 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
104 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
105 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
106 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
107 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
108 { REGION_CART_SRAM, "sram", "Flash", "Flash Memory (64kiB)", BASE_CART_SRAM, BASE_CART_SRAM + SIZE_CART_FLASH512, SIZE_CART_FLASH1M, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED, 1 },
109};
110
111static const struct mCoreMemoryBlock _GBAMemoryBlocksEEPROM[] = {
112 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
113 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
114 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
115 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
116 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
117 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
118 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
119 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
120 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
121 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
122 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
123 { REGION_CART_SRAM_MIRROR, "eeprom", "EEPROM", "EEPROM (8kiB)", 0, SIZE_CART_EEPROM, SIZE_CART_EEPROM, mCORE_MEMORY_RW },
124};
125
126struct mVideoLogContext;
127
128#define CPU_COMPONENT_AUDIO_MIXER CPU_COMPONENT_MISC_1
129
130struct GBACore {
131 struct mCore d;
132 struct GBAVideoSoftwareRenderer renderer;
133#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
134 struct GBAVideoGLRenderer glRenderer;
135#endif
136#ifndef MINIMAL_CORE
137 struct GBAVideoProxyRenderer vlProxy;
138 struct GBAVideoProxyRenderer proxyRenderer;
139 struct mVideoLogContext* logContext;
140#endif
141 struct mCoreCallbacks logCallbacks;
142#ifndef DISABLE_THREADING
143 struct mVideoThreadProxy threadProxy;
144#endif
145 int keys;
146 struct mCPUComponent* components[CPU_COMPONENT_MAX];
147 const struct Configuration* overrides;
148 struct mDebuggerPlatform* debuggerPlatform;
149 struct mCheatDevice* cheatDevice;
150 struct GBAAudioMixer* audioMixer;
151};
152
153static bool _GBACoreInit(struct mCore* core) {
154 struct GBACore* gbacore = (struct GBACore*) core;
155
156 struct ARMCore* cpu = anonymousMemoryMap(sizeof(struct ARMCore));
157 struct GBA* gba = anonymousMemoryMap(sizeof(struct GBA));
158 if (!cpu || !gba) {
159 free(cpu);
160 free(gba);
161 return false;
162 }
163 core->cpu = cpu;
164 core->board = gba;
165 core->timing = &gba->timing;
166 core->debugger = NULL;
167 core->symbolTable = NULL;
168 core->videoLogger = NULL;
169 gbacore->overrides = NULL;
170 gbacore->debuggerPlatform = NULL;
171 gbacore->cheatDevice = NULL;
172#ifndef MINIMAL_CORE
173 gbacore->logContext = NULL;
174#endif
175 gbacore->audioMixer = NULL;
176
177 GBACreate(gba);
178 // TODO: Restore cheats
179 memset(gbacore->components, 0, sizeof(gbacore->components));
180 ARMSetComponents(cpu, &gba->d, CPU_COMPONENT_MAX, gbacore->components);
181 ARMInit(cpu);
182 mRTCGenericSourceInit(&core->rtc, core);
183 gba->rtcSource = &core->rtc.d;
184
185 GBAVideoSoftwareRendererCreate(&gbacore->renderer);
186 gbacore->renderer.outputBuffer = NULL;
187
188#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
189 GBAVideoGLRendererCreate(&gbacore->glRenderer);
190 gbacore->glRenderer.outputTex = -1;
191#endif
192
193#ifndef DISABLE_THREADING
194 mVideoThreadProxyCreate(&gbacore->threadProxy);
195#endif
196#ifndef MINIMAL_CORE
197 gbacore->vlProxy.logger = NULL;
198 gbacore->proxyRenderer.logger = NULL;
199#endif
200
201 gbacore->keys = 0;
202 gba->keySource = &gbacore->keys;
203
204#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
205 mDirectorySetInit(&core->dirs);
206#endif
207
208 return true;
209}
210
211static void _GBACoreDeinit(struct mCore* core) {
212 ARMDeinit(core->cpu);
213 GBADestroy(core->board);
214 mappedMemoryFree(core->cpu, sizeof(struct ARMCore));
215 mappedMemoryFree(core->board, sizeof(struct GBA));
216#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
217 mDirectorySetDeinit(&core->dirs);
218#endif
219
220 struct GBACore* gbacore = (struct GBACore*) core;
221 free(gbacore->debuggerPlatform);
222 if (gbacore->cheatDevice) {
223 mCheatDeviceDestroy(gbacore->cheatDevice);
224 }
225 free(gbacore->cheatDevice);
226 free(gbacore->audioMixer);
227 mCoreConfigFreeOpts(&core->opts);
228 free(core);
229}
230
231static enum mPlatform _GBACorePlatform(const struct mCore* core) {
232 UNUSED(core);
233 return PLATFORM_GBA;
234}
235
236static bool _GBACoreSupportsFeature(const struct mCore* core, enum mCoreFeature feature) {
237 UNUSED(core);
238 switch (feature) {
239 case mCORE_FEATURE_OPENGL:
240#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
241 return true;
242#else
243 return false;
244#endif
245 default:
246 return false;
247 }
248}
249
250static void _GBACoreSetSync(struct mCore* core, struct mCoreSync* sync) {
251 struct GBA* gba = core->board;
252 gba->sync = sync;
253}
254
255static void _GBACoreLoadConfig(struct mCore* core, const struct mCoreConfig* config) {
256 struct GBA* gba = core->board;
257 if (core->opts.mute) {
258 gba->audio.masterVolume = 0;
259 } else {
260 gba->audio.masterVolume = core->opts.volume;
261 }
262 gba->video.frameskip = core->opts.frameskip;
263
264#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
265 struct GBACore* gbacore = (struct GBACore*) core;
266 gbacore->overrides = mCoreConfigGetOverridesConst(config);
267#endif
268
269 const char* idleOptimization = mCoreConfigGetValue(config, "idleOptimization");
270 if (idleOptimization) {
271 if (strcasecmp(idleOptimization, "ignore") == 0) {
272 gba->idleOptimization = IDLE_LOOP_IGNORE;
273 } else if (strcasecmp(idleOptimization, "remove") == 0) {
274 gba->idleOptimization = IDLE_LOOP_REMOVE;
275 } else if (strcasecmp(idleOptimization, "detect") == 0) {
276 if (gba->idleLoop == IDLE_LOOP_NONE) {
277 gba->idleOptimization = IDLE_LOOP_DETECT;
278 } else {
279 gba->idleOptimization = IDLE_LOOP_REMOVE;
280 }
281 }
282 }
283
284 int fakeBool = 0;
285 mCoreConfigGetIntValue(config, "allowOpposingDirections", &fakeBool);
286 gba->allowOpposingDirections = fakeBool;
287
288 mCoreConfigCopyValue(&core->config, config, "allowOpposingDirections");
289 mCoreConfigCopyValue(&core->config, config, "gba.bios");
290 mCoreConfigCopyValue(&core->config, config, "gba.audioHle");
291
292#ifndef DISABLE_THREADING
293 mCoreConfigCopyValue(&core->config, config, "threadedVideo");
294#endif
295 mCoreConfigCopyValue(&core->config, config, "hwaccelVideo");
296 mCoreConfigCopyValue(&core->config, config, "videoScale");
297}
298
299static void _GBACoreReloadConfigOption(struct mCore* core, const char* option, const struct mCoreConfig* config) {
300 struct GBA* gba = core->board;
301 if (!config) {
302 config = &core->config;
303 }
304
305 if (!option) {
306 // Reload options from opts
307 if (core->opts.mute) {
308 gba->audio.masterVolume = 0;
309 } else {
310 gba->audio.masterVolume = core->opts.volume;
311 }
312 gba->video.frameskip = core->opts.frameskip;
313 return;
314 }
315
316 int fakeBool;
317 if (strcmp("mute", option) == 0) {
318 if (mCoreConfigGetIntValue(config, "mute", &fakeBool)) {
319 core->opts.mute = fakeBool;
320
321 if (core->opts.mute) {
322 gba->audio.masterVolume = 0;
323 } else {
324 gba->audio.masterVolume = core->opts.volume;
325 }
326 }
327 return;
328 }
329 if (strcmp("volume", option) == 0) {
330 if (mCoreConfigGetIntValue(config, "volume", &core->opts.volume) && !core->opts.mute) {
331 gba->audio.masterVolume = core->opts.volume;
332 }
333 return;
334 }
335 if (strcmp("frameskip", option) == 0) {
336 if (mCoreConfigGetIntValue(config, "frameskip", &core->opts.frameskip)) {
337 gba->video.frameskip = core->opts.frameskip;
338 }
339 return;
340 }
341 if (strcmp("allowOpposingDirections", option) == 0) {
342 if (config != &core->config) {
343 mCoreConfigCopyValue(&core->config, config, "allowOpposingDirections");
344 }
345 if (mCoreConfigGetIntValue(config, "allowOpposingDirections", &fakeBool)) {
346 gba->allowOpposingDirections = fakeBool;
347 }
348 return;
349 }
350}
351
352static void _GBACoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
353#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
354 struct GBACore* gbacore = (struct GBACore*) core;
355 int scale = gbacore->glRenderer.scale;
356#else
357 UNUSED(core);
358 int scale = 1;
359#endif
360
361 *width = GBA_VIDEO_HORIZONTAL_PIXELS * scale;
362 *height = GBA_VIDEO_VERTICAL_PIXELS * scale;
363}
364
365static void _GBACoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
366 struct GBACore* gbacore = (struct GBACore*) core;
367 gbacore->renderer.outputBuffer = buffer;
368 gbacore->renderer.outputBufferStride = stride;
369 memset(gbacore->renderer.scanlineDirty, 0xFFFFFFFF, sizeof(gbacore->renderer.scanlineDirty));
370}
371
372static void _GBACoreSetVideoGLTex(struct mCore* core, unsigned texid) {
373#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
374 struct GBACore* gbacore = (struct GBACore*) core;
375 gbacore->glRenderer.outputTex = texid;
376#else
377 UNUSED(core);
378 UNUSED(texid);
379#endif
380}
381
382static void _GBACoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
383 struct GBA* gba = core->board;
384 gba->video.renderer->getPixels(gba->video.renderer, stride, buffer);
385}
386
387static void _GBACorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
388 struct GBA* gba = core->board;
389 gba->video.renderer->putPixels(gba->video.renderer, stride, buffer);
390}
391
392static struct blip_t* _GBACoreGetAudioChannel(struct mCore* core, int ch) {
393 struct GBA* gba = core->board;
394 switch (ch) {
395 case 0:
396 return gba->audio.psg.left;
397 case 1:
398 return gba->audio.psg.right;
399 default:
400 return NULL;
401 }
402}
403
404static void _GBACoreSetAudioBufferSize(struct mCore* core, size_t samples) {
405 struct GBA* gba = core->board;
406 GBAAudioResizeBuffer(&gba->audio, samples);
407}
408
409static size_t _GBACoreGetAudioBufferSize(struct mCore* core) {
410 struct GBA* gba = core->board;
411 return gba->audio.samples;
412}
413
414static void _GBACoreAddCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
415 struct GBA* gba = core->board;
416 *mCoreCallbacksListAppend(&gba->coreCallbacks) = *coreCallbacks;
417}
418
419static void _GBACoreClearCoreCallbacks(struct mCore* core) {
420 struct GBA* gba = core->board;
421 mCoreCallbacksListClear(&gba->coreCallbacks);
422}
423
424static void _GBACoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
425 struct GBA* gba = core->board;
426 gba->stream = stream;
427 if (stream && stream->videoDimensionsChanged) {
428 unsigned width, height;
429 core->desiredVideoDimensions(core, &width, &height);
430 stream->videoDimensionsChanged(stream, width, height);
431 }
432}
433
434static bool _GBACoreLoadROM(struct mCore* core, struct VFile* vf) {
435#ifdef USE_ELF
436 struct ELF* elf = ELFOpen(vf);
437 if (elf) {
438 GBALoadNull(core->board);
439 bool success = mCoreLoadELF(core, elf);
440 ELFClose(elf);
441 return success;
442 }
443#endif
444 if (GBAIsMB(vf)) {
445 return GBALoadMB(core->board, vf);
446 }
447 return GBALoadROM(core->board, vf);
448}
449
450static bool _GBACoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
451 UNUSED(type);
452 if (!GBAIsBIOS(vf)) {
453 return false;
454 }
455 GBALoadBIOS(core->board, vf);
456 return true;
457}
458
459static bool _GBACoreLoadSave(struct mCore* core, struct VFile* vf) {
460 return GBALoadSave(core->board, vf);
461}
462
463static bool _GBACoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
464 struct GBA* gba = core->board;
465 GBASavedataMask(&gba->memory.savedata, vf, false);
466 return true; // TODO: Return a real value
467}
468
469static bool _GBACoreLoadPatch(struct mCore* core, struct VFile* vf) {
470 if (!vf) {
471 return false;
472 }
473 struct Patch patch;
474 if (!loadPatch(vf, &patch)) {
475 return false;
476 }
477 GBAApplyPatch(core->board, &patch);
478 return true;
479}
480
481static void _GBACoreUnloadROM(struct mCore* core) {
482 struct GBACore* gbacore = (struct GBACore*) core;
483 struct ARMCore* cpu = core->cpu;
484 if (gbacore->cheatDevice) {
485 ARMHotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
486 cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
487 mCheatDeviceDestroy(gbacore->cheatDevice);
488 gbacore->cheatDevice = NULL;
489 }
490 return GBAUnloadROM(core->board);
491}
492
493static void _GBACoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
494 struct GBA* gba = (struct GBA*) core->board;
495 switch (type) {
496 case CHECKSUM_CRC32:
497 memcpy(data, &gba->romCrc32, sizeof(gba->romCrc32));
498 break;
499 }
500 return;
501}
502
503static void _GBACoreReset(struct mCore* core) {
504 struct GBACore* gbacore = (struct GBACore*) core;
505 struct GBA* gba = (struct GBA*) core->board;
506 if (gbacore->renderer.outputBuffer
507#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
508 || gbacore->glRenderer.outputTex != (unsigned) -1
509#endif
510 ) {
511 struct GBAVideoRenderer* renderer = NULL;
512 if (gbacore->renderer.outputBuffer) {
513 renderer = &gbacore->renderer.d;
514 }
515 int fakeBool;
516#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
517 if (gbacore->glRenderer.outputTex != (unsigned) -1 && mCoreConfigGetIntValue(&core->config, "hwaccelVideo", &fakeBool) && fakeBool) {
518 renderer = &gbacore->glRenderer.d;
519 mCoreConfigGetIntValue(&core->config, "videoScale", &gbacore->glRenderer.scale);
520 }
521#endif
522#ifndef DISABLE_THREADING
523 if (mCoreConfigGetIntValue(&core->config, "threadedVideo", &fakeBool) && fakeBool) {
524 if (!core->videoLogger) {
525 core->videoLogger = &gbacore->threadProxy.d;
526 }
527 }
528#endif
529#ifndef MINIMAL_CORE
530 if (renderer && core->videoLogger) {
531 gbacore->proxyRenderer.logger = core->videoLogger;
532 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, renderer);
533 renderer = &gbacore->proxyRenderer.d;
534 }
535#endif
536 if (renderer) {
537 GBAVideoAssociateRenderer(&gba->video, renderer);
538 }
539 }
540
541#ifndef MINIMAL_CORE
542 int useAudioMixer;
543 if (!gbacore->audioMixer && mCoreConfigGetIntValue(&core->config, "gba.audioHle", &useAudioMixer) && useAudioMixer) {
544 gbacore->audioMixer = malloc(sizeof(*gbacore->audioMixer));
545 GBAAudioMixerCreate(gbacore->audioMixer);
546 ((struct ARMCore*) core->cpu)->components[CPU_COMPONENT_AUDIO_MIXER] = &gbacore->audioMixer->d;
547 ARMHotplugAttach(core->cpu, CPU_COMPONENT_AUDIO_MIXER);
548 }
549#endif
550
551 GBAOverrideApplyDefaults(gba, gbacore->overrides);
552
553#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
554 if (!gba->biosVf && core->opts.useBios) {
555 struct VFile* bios = NULL;
556 bool found = false;
557 if (core->opts.bios) {
558 bios = VFileOpen(core->opts.bios, O_RDONLY);
559 if (bios && GBAIsBIOS(bios)) {
560 found = true;
561 } else if (bios) {
562 bios->close(bios);
563 bios = NULL;
564 }
565 }
566 if (!found) {
567 const char* configPath = mCoreConfigGetValue(&core->config, "gba.bios");
568 if (configPath) {
569 bios = VFileOpen(configPath, O_RDONLY);
570 }
571 if (bios && GBAIsBIOS(bios)) {
572 found = true;
573 } else if (bios) {
574 bios->close(bios);
575 bios = NULL;
576 }
577 }
578 if (!found) {
579 char path[PATH_MAX];
580 mCoreConfigDirectory(path, PATH_MAX);
581 strncat(path, PATH_SEP "gba_bios.bin", PATH_MAX - strlen(path));
582 bios = VFileOpen(path, O_RDONLY);
583 if (bios && GBAIsBIOS(bios)) {
584 found = true;
585 } else if (bios) {
586 bios->close(bios);
587 bios = NULL;
588 }
589 }
590 if (found && bios) {
591 GBALoadBIOS(gba, bios);
592 }
593 }
594#endif
595
596 ARMReset(core->cpu);
597 if (core->opts.skipBios && (gba->romVf || gba->memory.rom)) {
598 GBASkipBIOS(core->board);
599 }
600}
601
602static void _GBACoreRunFrame(struct mCore* core) {
603 struct GBA* gba = core->board;
604 int32_t frameCounter = gba->video.frameCounter;
605 while (gba->video.frameCounter == frameCounter) {
606 ARMRunLoop(core->cpu);
607 }
608}
609
610static void _GBACoreRunLoop(struct mCore* core) {
611 ARMRunLoop(core->cpu);
612}
613
614static void _GBACoreStep(struct mCore* core) {
615 ARMRun(core->cpu);
616}
617
618static size_t _GBACoreStateSize(struct mCore* core) {
619 UNUSED(core);
620 return sizeof(struct GBASerializedState);
621}
622
623static bool _GBACoreLoadState(struct mCore* core, const void* state) {
624 return GBADeserialize(core->board, state);
625}
626
627static bool _GBACoreSaveState(struct mCore* core, void* state) {
628 GBASerialize(core->board, state);
629 return true;
630}
631
632static void _GBACoreSetKeys(struct mCore* core, uint32_t keys) {
633 struct GBACore* gbacore = (struct GBACore*) core;
634 gbacore->keys = keys;
635 GBATestKeypadIRQ(core->board);
636}
637
638static void _GBACoreAddKeys(struct mCore* core, uint32_t keys) {
639 struct GBACore* gbacore = (struct GBACore*) core;
640 gbacore->keys |= keys;
641 GBATestKeypadIRQ(core->board);
642}
643
644static void _GBACoreClearKeys(struct mCore* core, uint32_t keys) {
645 struct GBACore* gbacore = (struct GBACore*) core;
646 gbacore->keys &= ~keys;
647}
648
649static int32_t _GBACoreFrameCounter(const struct mCore* core) {
650 const struct GBA* gba = core->board;
651 return gba->video.frameCounter;
652}
653
654static int32_t _GBACoreFrameCycles(const struct mCore* core) {
655 UNUSED(core);
656 return VIDEO_TOTAL_LENGTH;
657}
658
659static int32_t _GBACoreFrequency(const struct mCore* core) {
660 UNUSED(core);
661 return GBA_ARM7TDMI_FREQUENCY;
662}
663
664static void _GBACoreGetGameTitle(const struct mCore* core, char* title) {
665 GBAGetGameTitle(core->board, title);
666}
667
668static void _GBACoreGetGameCode(const struct mCore* core, char* title) {
669 GBAGetGameCode(core->board, title);
670}
671
672static void _GBACoreSetPeripheral(struct mCore* core, int type, void* periph) {
673 struct GBA* gba = core->board;
674 switch (type) {
675 case mPERIPH_ROTATION:
676 gba->rotationSource = periph;
677 break;
678 case mPERIPH_RUMBLE:
679 gba->rumble = periph;
680 break;
681 case mPERIPH_GBA_LUMINANCE:
682 gba->luminanceSource = periph;
683 break;
684 case mPERIPH_GBA_BATTLECHIP_GATE:
685 GBASIOSetDriver(&gba->sio, periph, SIO_MULTI);
686 GBASIOSetDriver(&gba->sio, periph, SIO_NORMAL_32);
687 break;
688 default:
689 return;
690 }
691}
692
693static uint32_t _GBACoreBusRead8(struct mCore* core, uint32_t address) {
694 struct ARMCore* cpu = core->cpu;
695 return cpu->memory.load8(cpu, address, 0);
696}
697
698static uint32_t _GBACoreBusRead16(struct mCore* core, uint32_t address) {
699 struct ARMCore* cpu = core->cpu;
700 return cpu->memory.load16(cpu, address, 0);
701
702}
703
704static uint32_t _GBACoreBusRead32(struct mCore* core, uint32_t address) {
705 struct ARMCore* cpu = core->cpu;
706 return cpu->memory.load32(cpu, address, 0);
707}
708
709static void _GBACoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
710 struct ARMCore* cpu = core->cpu;
711 cpu->memory.store8(cpu, address, value, 0);
712}
713
714static void _GBACoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
715 struct ARMCore* cpu = core->cpu;
716 cpu->memory.store16(cpu, address, value, 0);
717}
718
719static void _GBACoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
720 struct ARMCore* cpu = core->cpu;
721 cpu->memory.store32(cpu, address, value, 0);
722}
723
724static uint32_t _GBACoreRawRead8(struct mCore* core, uint32_t address, int segment) {
725 UNUSED(segment);
726 struct ARMCore* cpu = core->cpu;
727 return GBAView8(cpu, address);
728}
729
730static uint32_t _GBACoreRawRead16(struct mCore* core, uint32_t address, int segment) {
731 UNUSED(segment);
732 struct ARMCore* cpu = core->cpu;
733 return GBAView16(cpu, address);
734}
735
736static uint32_t _GBACoreRawRead32(struct mCore* core, uint32_t address, int segment) {
737 UNUSED(segment);
738 struct ARMCore* cpu = core->cpu;
739 return GBAView32(cpu, address);
740}
741
742static void _GBACoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
743 UNUSED(segment);
744 struct ARMCore* cpu = core->cpu;
745 GBAPatch8(cpu, address, value, NULL);
746}
747
748static void _GBACoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
749 UNUSED(segment);
750 struct ARMCore* cpu = core->cpu;
751 GBAPatch16(cpu, address, value, NULL);
752}
753
754static void _GBACoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
755 UNUSED(segment);
756 struct ARMCore* cpu = core->cpu;
757 GBAPatch32(cpu, address, value, NULL);
758}
759
760size_t _GBAListMemoryBlocks(const struct mCore* core, const struct mCoreMemoryBlock** blocks) {
761 const struct GBA* gba = core->board;
762 switch (gba->memory.savedata.type) {
763 case SAVEDATA_SRAM:
764 *blocks = _GBAMemoryBlocksSRAM;
765 return sizeof(_GBAMemoryBlocksSRAM) / sizeof(*_GBAMemoryBlocksSRAM);
766 case SAVEDATA_FLASH512:
767 *blocks = _GBAMemoryBlocksFlash512;
768 return sizeof(_GBAMemoryBlocksFlash512) / sizeof(*_GBAMemoryBlocksFlash512);
769 case SAVEDATA_FLASH1M:
770 *blocks = _GBAMemoryBlocksFlash1M;
771 return sizeof(_GBAMemoryBlocksFlash1M) / sizeof(*_GBAMemoryBlocksFlash1M);
772 case SAVEDATA_EEPROM:
773 *blocks = _GBAMemoryBlocksEEPROM;
774 return sizeof(_GBAMemoryBlocksEEPROM) / sizeof(*_GBAMemoryBlocksEEPROM);
775 default:
776 *blocks = _GBAMemoryBlocks;
777 return sizeof(_GBAMemoryBlocks) / sizeof(*_GBAMemoryBlocks);
778 }
779}
780
781void* _GBAGetMemoryBlock(struct mCore* core, size_t id, size_t* sizeOut) {
782 struct GBA* gba = core->board;
783 switch (id) {
784 default:
785 return NULL;
786 case REGION_BIOS:
787 *sizeOut = SIZE_BIOS;
788 return gba->memory.bios;
789 case REGION_WORKING_RAM:
790 *sizeOut = SIZE_WORKING_RAM;
791 return gba->memory.wram;
792 case REGION_WORKING_IRAM:
793 *sizeOut = SIZE_WORKING_IRAM;
794 return gba->memory.iwram;
795 case REGION_PALETTE_RAM:
796 *sizeOut = SIZE_PALETTE_RAM;
797 return gba->video.palette;
798 case REGION_VRAM:
799 *sizeOut = SIZE_VRAM;
800 return gba->video.vram;
801 case REGION_OAM:
802 *sizeOut = SIZE_OAM;
803 return gba->video.oam.raw;
804 case REGION_CART0:
805 case REGION_CART1:
806 case REGION_CART2:
807 *sizeOut = gba->memory.romSize;
808 return gba->memory.rom;
809 case REGION_CART_SRAM:
810 if (gba->memory.savedata.type == SAVEDATA_FLASH1M) {
811 *sizeOut = SIZE_CART_FLASH1M;
812 return gba->memory.savedata.currentBank;
813 }
814 // Fall through
815 case REGION_CART_SRAM_MIRROR:
816 *sizeOut = GBASavedataSize(&gba->memory.savedata);
817 return gba->memory.savedata.data;
818 }
819}
820
821#ifdef USE_DEBUGGERS
822static bool _GBACoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
823 UNUSED(core);
824 switch (type) {
825 case DEBUGGER_CUSTOM:
826 case DEBUGGER_CLI:
827 case DEBUGGER_GDB:
828 return true;
829 default:
830 return false;
831 }
832}
833
834static struct mDebuggerPlatform* _GBACoreDebuggerPlatform(struct mCore* core) {
835 struct GBACore* gbacore = (struct GBACore*) core;
836 if (!gbacore->debuggerPlatform) {
837 gbacore->debuggerPlatform = ARMDebuggerPlatformCreate();
838 }
839 return gbacore->debuggerPlatform;
840}
841
842static struct CLIDebuggerSystem* _GBACoreCliDebuggerSystem(struct mCore* core) {
843 return &GBACLIDebuggerCreate(core)->d;
844}
845
846static void _GBACoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
847 if (core->debugger) {
848 GBADetachDebugger(core->board);
849 }
850 GBAAttachDebugger(core->board, debugger);
851 core->debugger = debugger;
852}
853
854static void _GBACoreDetachDebugger(struct mCore* core) {
855 GBADetachDebugger(core->board);
856 core->debugger = NULL;
857}
858
859static void _GBACoreLoadSymbols(struct mCore* core, struct VFile* vf) {
860 bool closeAfter = false;
861 core->symbolTable = mDebuggerSymbolTableCreate();
862#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
863#ifdef USE_ELF
864 if (!vf) {
865 closeAfter = true;
866 vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".elf", O_RDONLY);
867 }
868#endif
869 if (!vf) {
870 closeAfter = true;
871 vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".sym", O_RDONLY);
872 }
873#endif
874 if (!vf) {
875 return;
876 }
877#ifdef USE_ELF
878 struct ELF* elf = ELFOpen(vf);
879 if (elf) {
880#ifdef USE_DEBUGGERS
881 mCoreLoadELFSymbols(core->symbolTable, elf);
882#endif
883 ELFClose(elf);
884 } else
885#endif
886 {
887 mDebuggerLoadARMIPSSymbols(core->symbolTable, vf);
888 }
889 if (closeAfter) {
890 vf->close(vf);
891 }
892}
893
894static bool _GBACoreLookupIdentifier(struct mCore* core, const char* name, int32_t* value, int* segment) {
895 UNUSED(core);
896 *segment = -1;
897 int i;
898 for (i = 0; i < REG_MAX; i += 2) {
899 const char* reg = GBAIORegisterNames[i >> 1];
900 if (reg && strcasecmp(reg, name) == 0) {
901 *value = BASE_IO | i;
902 return true;
903 }
904 }
905 return false;
906}
907#endif
908
909static struct mCheatDevice* _GBACoreCheatDevice(struct mCore* core) {
910 struct GBACore* gbacore = (struct GBACore*) core;
911 if (!gbacore->cheatDevice) {
912 gbacore->cheatDevice = GBACheatDeviceCreate();
913 ((struct ARMCore*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbacore->cheatDevice->d;
914 ARMHotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
915 gbacore->cheatDevice->p = core;
916 }
917 return gbacore->cheatDevice;
918}
919
920static size_t _GBACoreSavedataClone(struct mCore* core, void** sram) {
921 struct GBA* gba = core->board;
922 size_t size = GBASavedataSize(&gba->memory.savedata);
923 if (!size) {
924 *sram = NULL;
925 return 0;
926 }
927 *sram = malloc(size);
928 struct VFile* vf = VFileFromMemory(*sram, size);
929 if (!vf) {
930 free(*sram);
931 *sram = NULL;
932 return 0;
933 }
934 bool success = GBASavedataClone(&gba->memory.savedata, vf);
935 vf->close(vf);
936 if (!success) {
937 free(*sram);
938 *sram = NULL;
939 return 0;
940 }
941 return size;
942}
943
944static bool _GBACoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
945 struct VFile* vf = VFileMemChunk(sram, size);
946 if (!vf) {
947 return false;
948 }
949 struct GBA* gba = core->board;
950 bool success = true;
951 if (writeback) {
952 success = GBASavedataLoad(&gba->memory.savedata, vf);
953 vf->close(vf);
954 } else {
955 GBASavedataMask(&gba->memory.savedata, vf, true);
956 }
957 return success;
958}
959
960static size_t _GBACoreListVideoLayers(const struct mCore* core, const struct mCoreChannelInfo** info) {
961 UNUSED(core);
962 if (info) {
963 *info = _GBAVideoLayers;
964 }
965 return sizeof(_GBAVideoLayers) / sizeof(*_GBAVideoLayers);
966}
967
968static size_t _GBACoreListAudioChannels(const struct mCore* core, const struct mCoreChannelInfo** info) {
969 UNUSED(core);
970 if (info) {
971 *info = _GBAAudioChannels;
972 }
973 return sizeof(_GBAAudioChannels) / sizeof(*_GBAAudioChannels);
974}
975
976static void _GBACoreEnableVideoLayer(struct mCore* core, size_t id, bool enable) {
977 struct GBA* gba = core->board;
978 switch (id) {
979 case 0:
980 case 1:
981 case 2:
982 case 3:
983 gba->video.renderer->disableBG[id] = !enable;
984 break;
985 case 4:
986 gba->video.renderer->disableOBJ = !enable;
987 break;
988 default:
989 break;
990 }
991}
992
993static void _GBACoreEnableAudioChannel(struct mCore* core, size_t id, bool enable) {
994 struct GBA* gba = core->board;
995 switch (id) {
996 case 0:
997 case 1:
998 case 2:
999 case 3:
1000 gba->audio.psg.forceDisableCh[id] = !enable;
1001 break;
1002 case 4:
1003 gba->audio.forceDisableChA = !enable;
1004 break;
1005 case 5:
1006 gba->audio.forceDisableChB = !enable;
1007 break;
1008 default:
1009 break;
1010 }
1011}
1012
1013static void _GBACoreAdjustVideoLayer(struct mCore* core, size_t id, int32_t x, int32_t y) {
1014 struct GBACore* gbacore = (struct GBACore*) core;
1015 switch (id) {
1016 case 0:
1017 case 1:
1018 case 2:
1019 case 3:
1020 gbacore->renderer.bg[id].offsetX = x;
1021 gbacore->renderer.bg[id].offsetY = y;
1022 break;
1023 case 4:
1024 gbacore->renderer.objOffsetX = x;
1025 gbacore->renderer.objOffsetY = y;
1026 gbacore->renderer.oamDirty = 1;
1027 break;
1028 default:
1029 return;
1030 }
1031 memset(gbacore->renderer.scanlineDirty, 0xFFFFFFFF, sizeof(gbacore->renderer.scanlineDirty));
1032}
1033
1034#ifndef MINIMAL_CORE
1035static void _GBACoreStartVideoLog(struct mCore* core, struct mVideoLogContext* context) {
1036 struct GBACore* gbacore = (struct GBACore*) core;
1037 struct GBA* gba = core->board;
1038 gbacore->logContext = context;
1039
1040 struct GBASerializedState* state = mVideoLogContextInitialState(context, NULL);
1041 state->id = 0;
1042 state->cpu.gprs[ARM_PC] = BASE_WORKING_RAM;
1043
1044 int channelId = mVideoLoggerAddChannel(context);
1045 gbacore->vlProxy.logger = malloc(sizeof(struct mVideoLogger));
1046 mVideoLoggerRendererCreate(gbacore->vlProxy.logger, false);
1047 mVideoLoggerAttachChannel(gbacore->vlProxy.logger, context, channelId);
1048 gbacore->vlProxy.logger->block = false;
1049
1050 GBAVideoProxyRendererCreate(&gbacore->vlProxy, gba->video.renderer);
1051 GBAVideoProxyRendererShim(&gba->video, &gbacore->vlProxy);
1052}
1053
1054static void _GBACoreEndVideoLog(struct mCore* core) {
1055 struct GBACore* gbacore = (struct GBACore*) core;
1056 struct GBA* gba = core->board;
1057 if (gbacore->vlProxy.logger) {
1058 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->vlProxy);
1059 free(gbacore->vlProxy.logger);
1060 gbacore->vlProxy.logger = NULL;
1061 }
1062}
1063#endif
1064
1065struct mCore* GBACoreCreate(void) {
1066 struct GBACore* gbacore = malloc(sizeof(*gbacore));
1067 struct mCore* core = &gbacore->d;
1068 memset(&core->opts, 0, sizeof(core->opts));
1069 core->cpu = NULL;
1070 core->board = NULL;
1071 core->debugger = NULL;
1072 core->init = _GBACoreInit;
1073 core->deinit = _GBACoreDeinit;
1074 core->platform = _GBACorePlatform;
1075 core->supportsFeature = _GBACoreSupportsFeature;
1076 core->setSync = _GBACoreSetSync;
1077 core->loadConfig = _GBACoreLoadConfig;
1078 core->reloadConfigOption = _GBACoreReloadConfigOption;
1079 core->desiredVideoDimensions = _GBACoreDesiredVideoDimensions;
1080 core->setVideoBuffer = _GBACoreSetVideoBuffer;
1081 core->setVideoGLTex = _GBACoreSetVideoGLTex;
1082 core->getPixels = _GBACoreGetPixels;
1083 core->putPixels = _GBACorePutPixels;
1084 core->getAudioChannel = _GBACoreGetAudioChannel;
1085 core->setAudioBufferSize = _GBACoreSetAudioBufferSize;
1086 core->getAudioBufferSize = _GBACoreGetAudioBufferSize;
1087 core->addCoreCallbacks = _GBACoreAddCoreCallbacks;
1088 core->clearCoreCallbacks = _GBACoreClearCoreCallbacks;
1089 core->setAVStream = _GBACoreSetAVStream;
1090 core->isROM = GBAIsROM;
1091 core->loadROM = _GBACoreLoadROM;
1092 core->loadBIOS = _GBACoreLoadBIOS;
1093 core->loadSave = _GBACoreLoadSave;
1094 core->loadTemporarySave = _GBACoreLoadTemporarySave;
1095 core->loadPatch = _GBACoreLoadPatch;
1096 core->unloadROM = _GBACoreUnloadROM;
1097 core->checksum = _GBACoreChecksum;
1098 core->reset = _GBACoreReset;
1099 core->runFrame = _GBACoreRunFrame;
1100 core->runLoop = _GBACoreRunLoop;
1101 core->step = _GBACoreStep;
1102 core->stateSize = _GBACoreStateSize;
1103 core->loadState = _GBACoreLoadState;
1104 core->saveState = _GBACoreSaveState;
1105 core->setKeys = _GBACoreSetKeys;
1106 core->addKeys = _GBACoreAddKeys;
1107 core->clearKeys = _GBACoreClearKeys;
1108 core->frameCounter = _GBACoreFrameCounter;
1109 core->frameCycles = _GBACoreFrameCycles;
1110 core->frequency = _GBACoreFrequency;
1111 core->getGameTitle = _GBACoreGetGameTitle;
1112 core->getGameCode = _GBACoreGetGameCode;
1113 core->setPeripheral = _GBACoreSetPeripheral;
1114 core->busRead8 = _GBACoreBusRead8;
1115 core->busRead16 = _GBACoreBusRead16;
1116 core->busRead32 = _GBACoreBusRead32;
1117 core->busWrite8 = _GBACoreBusWrite8;
1118 core->busWrite16 = _GBACoreBusWrite16;
1119 core->busWrite32 = _GBACoreBusWrite32;
1120 core->rawRead8 = _GBACoreRawRead8;
1121 core->rawRead16 = _GBACoreRawRead16;
1122 core->rawRead32 = _GBACoreRawRead32;
1123 core->rawWrite8 = _GBACoreRawWrite8;
1124 core->rawWrite16 = _GBACoreRawWrite16;
1125 core->rawWrite32 = _GBACoreRawWrite32;
1126 core->listMemoryBlocks = _GBAListMemoryBlocks;
1127 core->getMemoryBlock = _GBAGetMemoryBlock;
1128#ifdef USE_DEBUGGERS
1129 core->supportsDebuggerType = _GBACoreSupportsDebuggerType;
1130 core->debuggerPlatform = _GBACoreDebuggerPlatform;
1131 core->cliDebuggerSystem = _GBACoreCliDebuggerSystem;
1132 core->attachDebugger = _GBACoreAttachDebugger;
1133 core->detachDebugger = _GBACoreDetachDebugger;
1134 core->loadSymbols = _GBACoreLoadSymbols;
1135 core->lookupIdentifier = _GBACoreLookupIdentifier;
1136#endif
1137 core->cheatDevice = _GBACoreCheatDevice;
1138 core->savedataClone = _GBACoreSavedataClone;
1139 core->savedataRestore = _GBACoreSavedataRestore;
1140 core->listVideoLayers = _GBACoreListVideoLayers;
1141 core->listAudioChannels = _GBACoreListAudioChannels;
1142 core->enableVideoLayer = _GBACoreEnableVideoLayer;
1143 core->enableAudioChannel = _GBACoreEnableAudioChannel;
1144 core->adjustVideoLayer = _GBACoreAdjustVideoLayer;
1145#ifndef MINIMAL_CORE
1146 core->startVideoLog = _GBACoreStartVideoLog;
1147 core->endVideoLog = _GBACoreEndVideoLog;
1148#endif
1149 return core;
1150}
1151
1152#ifndef MINIMAL_CORE
1153static void _GBAVLPStartFrameCallback(void *context) {
1154 struct mCore* core = context;
1155 struct GBACore* gbacore = (struct GBACore*) core;
1156 struct GBA* gba = core->board;
1157
1158 if (!mVideoLoggerRendererRun(gbacore->vlProxy.logger, true)) {
1159 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->vlProxy);
1160 mVideoLogContextRewind(gbacore->logContext, core);
1161 GBAVideoProxyRendererShim(&gba->video, &gbacore->vlProxy);
1162 gba->earlyExit = true;
1163 }
1164}
1165
1166static bool _GBAVLPInit(struct mCore* core) {
1167 struct GBACore* gbacore = (struct GBACore*) core;
1168 if (!_GBACoreInit(core)) {
1169 return false;
1170 }
1171 gbacore->vlProxy.logger = malloc(sizeof(struct mVideoLogger));
1172 mVideoLoggerRendererCreate(gbacore->vlProxy.logger, true);
1173 GBAVideoProxyRendererCreate(&gbacore->vlProxy, NULL);
1174 memset(&gbacore->logCallbacks, 0, sizeof(gbacore->logCallbacks));
1175 gbacore->logCallbacks.videoFrameStarted = _GBAVLPStartFrameCallback;
1176 gbacore->logCallbacks.context = core;
1177 core->addCoreCallbacks(core, &gbacore->logCallbacks);
1178 core->videoLogger = gbacore->vlProxy.logger;
1179 return true;
1180}
1181
1182static void _GBAVLPDeinit(struct mCore* core) {
1183 struct GBACore* gbacore = (struct GBACore*) core;
1184 if (gbacore->logContext) {
1185 mVideoLogContextDestroy(core, gbacore->logContext);
1186 }
1187 _GBACoreDeinit(core);
1188}
1189
1190static void _GBAVLPReset(struct mCore* core) {
1191 struct GBACore* gbacore = (struct GBACore*) core;
1192 struct GBA* gba = (struct GBA*) core->board;
1193 if (gba->video.renderer == &gbacore->vlProxy.d) {
1194 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->vlProxy);
1195 } else if (gbacore->renderer.outputBuffer) {
1196 struct GBAVideoRenderer* renderer = &gbacore->renderer.d;
1197 GBAVideoAssociateRenderer(&gba->video, renderer);
1198 }
1199
1200 ARMReset(core->cpu);
1201 mVideoLogContextRewind(gbacore->logContext, core);
1202 GBAVideoProxyRendererShim(&gba->video, &gbacore->vlProxy);
1203
1204 // Make sure CPU loop never spins
1205 GBAHalt(gba);
1206 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1207 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1208}
1209
1210static bool _GBAVLPLoadROM(struct mCore* core, struct VFile* vf) {
1211 struct GBACore* gbacore = (struct GBACore*) core;
1212 gbacore->logContext = mVideoLogContextCreate(NULL);
1213 if (!mVideoLogContextLoad(gbacore->logContext, vf)) {
1214 mVideoLogContextDestroy(core, gbacore->logContext);
1215 gbacore->logContext = NULL;
1216 return false;
1217 }
1218 mVideoLoggerAttachChannel(gbacore->vlProxy.logger, gbacore->logContext, 0);
1219 return true;
1220}
1221
1222static bool _GBAVLPLoadState(struct mCore* core, const void* state) {
1223 struct GBA* gba = (struct GBA*) core->board;
1224
1225 gba->timing.root = NULL;
1226 gba->cpu->gprs[ARM_PC] = BASE_WORKING_RAM;
1227 gba->cpu->memory.setActiveRegion(gba->cpu, gba->cpu->gprs[ARM_PC]);
1228
1229 // Make sure CPU loop never spins
1230 GBAHalt(gba);
1231 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1232 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1233 GBAVideoDeserialize(&gba->video, state);
1234 GBAIODeserialize(gba, state);
1235 GBAAudioReset(&gba->audio);
1236
1237 return true;
1238}
1239
1240static bool _returnTrue(struct VFile* vf) {
1241 UNUSED(vf);
1242 return true;
1243}
1244
1245struct mCore* GBAVideoLogPlayerCreate(void) {
1246 struct mCore* core = GBACoreCreate();
1247 core->init = _GBAVLPInit;
1248 core->deinit = _GBAVLPDeinit;
1249 core->reset = _GBAVLPReset;
1250 core->loadROM = _GBAVLPLoadROM;
1251 core->loadState = _GBAVLPLoadState;
1252 core->isROM = _returnTrue;
1253 return core;
1254}
1255#else
1256struct mCore* GBAVideoLogPlayerCreate(void) {
1257 return false;
1258}
1259#endif