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 struct GBACore* gbacore = (struct GBACore*) core;
352#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
353 if (strcmp("videoScale", option) == 0) {
354 if (config != &core->config) {
355 mCoreConfigCopyValue(&core->config, config, "videoScale");
356 }
357 if (gbacore->glRenderer.outputTex != (unsigned) -1 && mCoreConfigGetIntValue(&core->config, "hwaccelVideo", &fakeBool) && fakeBool) {
358 int scale;
359 mCoreConfigGetIntValue(config, "videoScale", &scale);
360 GBAVideoGLRendererSetScale(&gbacore->glRenderer, scale);
361 }
362 return;
363 }
364#endif
365 if (strcmp("hwaccelVideo", option) == 0) {
366 struct GBAVideoRenderer* renderer = NULL;
367 if (gbacore->renderer.outputBuffer) {
368 renderer = &gbacore->renderer.d;
369 }
370 int fakeBool;
371#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
372 if (gbacore->glRenderer.outputTex != (unsigned) -1 && mCoreConfigGetIntValue(&core->config, "hwaccelVideo", &fakeBool) && fakeBool) {
373 mCoreConfigGetIntValue(&core->config, "videoScale", &gbacore->glRenderer.scale);
374 renderer = &gbacore->glRenderer.d;
375 } else {
376 gbacore->glRenderer.scale = 1;
377 }
378#endif
379#ifndef MINIMAL_CORE
380 if (renderer && core->videoLogger) {
381 gbacore->proxyRenderer.logger = core->videoLogger;
382 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, renderer);
383 renderer = &gbacore->proxyRenderer.d;
384 }
385#endif
386 if (renderer) {
387 GBAVideoAssociateRenderer(&gba->video, renderer);
388 }
389 }
390}
391
392static void _GBACoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
393#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
394 struct GBACore* gbacore = (struct GBACore*) core;
395 int scale = gbacore->glRenderer.scale;
396#else
397 UNUSED(core);
398 int scale = 1;
399#endif
400
401 *width = GBA_VIDEO_HORIZONTAL_PIXELS * scale;
402 *height = GBA_VIDEO_VERTICAL_PIXELS * scale;
403}
404
405static void _GBACoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
406 struct GBACore* gbacore = (struct GBACore*) core;
407 gbacore->renderer.outputBuffer = buffer;
408 gbacore->renderer.outputBufferStride = stride;
409 memset(gbacore->renderer.scanlineDirty, 0xFFFFFFFF, sizeof(gbacore->renderer.scanlineDirty));
410}
411
412static void _GBACoreSetVideoGLTex(struct mCore* core, unsigned texid) {
413#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
414 struct GBACore* gbacore = (struct GBACore*) core;
415 gbacore->glRenderer.outputTex = texid;
416#else
417 UNUSED(core);
418 UNUSED(texid);
419#endif
420}
421
422static void _GBACoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
423 struct GBA* gba = core->board;
424 gba->video.renderer->getPixels(gba->video.renderer, stride, buffer);
425}
426
427static void _GBACorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
428 struct GBA* gba = core->board;
429 gba->video.renderer->putPixels(gba->video.renderer, stride, buffer);
430}
431
432static struct blip_t* _GBACoreGetAudioChannel(struct mCore* core, int ch) {
433 struct GBA* gba = core->board;
434 switch (ch) {
435 case 0:
436 return gba->audio.psg.left;
437 case 1:
438 return gba->audio.psg.right;
439 default:
440 return NULL;
441 }
442}
443
444static void _GBACoreSetAudioBufferSize(struct mCore* core, size_t samples) {
445 struct GBA* gba = core->board;
446 GBAAudioResizeBuffer(&gba->audio, samples);
447}
448
449static size_t _GBACoreGetAudioBufferSize(struct mCore* core) {
450 struct GBA* gba = core->board;
451 return gba->audio.samples;
452}
453
454static void _GBACoreAddCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
455 struct GBA* gba = core->board;
456 *mCoreCallbacksListAppend(&gba->coreCallbacks) = *coreCallbacks;
457}
458
459static void _GBACoreClearCoreCallbacks(struct mCore* core) {
460 struct GBA* gba = core->board;
461 mCoreCallbacksListClear(&gba->coreCallbacks);
462}
463
464static void _GBACoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
465 struct GBA* gba = core->board;
466 gba->stream = stream;
467 if (stream && stream->videoDimensionsChanged) {
468 unsigned width, height;
469 core->desiredVideoDimensions(core, &width, &height);
470 stream->videoDimensionsChanged(stream, width, height);
471 }
472}
473
474static bool _GBACoreLoadROM(struct mCore* core, struct VFile* vf) {
475#ifdef USE_ELF
476 struct ELF* elf = ELFOpen(vf);
477 if (elf) {
478 GBALoadNull(core->board);
479 bool success = mCoreLoadELF(core, elf);
480 ELFClose(elf);
481 return success;
482 }
483#endif
484 if (GBAIsMB(vf)) {
485 return GBALoadMB(core->board, vf);
486 }
487 return GBALoadROM(core->board, vf);
488}
489
490static bool _GBACoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
491 UNUSED(type);
492 if (!GBAIsBIOS(vf)) {
493 return false;
494 }
495 GBALoadBIOS(core->board, vf);
496 return true;
497}
498
499static bool _GBACoreLoadSave(struct mCore* core, struct VFile* vf) {
500 return GBALoadSave(core->board, vf);
501}
502
503static bool _GBACoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
504 struct GBA* gba = core->board;
505 GBASavedataMask(&gba->memory.savedata, vf, false);
506 return true; // TODO: Return a real value
507}
508
509static bool _GBACoreLoadPatch(struct mCore* core, struct VFile* vf) {
510 if (!vf) {
511 return false;
512 }
513 struct Patch patch;
514 if (!loadPatch(vf, &patch)) {
515 return false;
516 }
517 GBAApplyPatch(core->board, &patch);
518 return true;
519}
520
521static void _GBACoreUnloadROM(struct mCore* core) {
522 struct GBACore* gbacore = (struct GBACore*) core;
523 struct ARMCore* cpu = core->cpu;
524 if (gbacore->cheatDevice) {
525 ARMHotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
526 cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
527 mCheatDeviceDestroy(gbacore->cheatDevice);
528 gbacore->cheatDevice = NULL;
529 }
530 return GBAUnloadROM(core->board);
531}
532
533static void _GBACoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
534 struct GBA* gba = (struct GBA*) core->board;
535 switch (type) {
536 case CHECKSUM_CRC32:
537 memcpy(data, &gba->romCrc32, sizeof(gba->romCrc32));
538 break;
539 }
540 return;
541}
542
543static void _GBACoreReset(struct mCore* core) {
544 struct GBACore* gbacore = (struct GBACore*) core;
545 struct GBA* gba = (struct GBA*) core->board;
546 if (gbacore->renderer.outputBuffer
547#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
548 || gbacore->glRenderer.outputTex != (unsigned) -1
549#endif
550 ) {
551 struct GBAVideoRenderer* renderer = NULL;
552 if (gbacore->renderer.outputBuffer) {
553 renderer = &gbacore->renderer.d;
554 }
555 int fakeBool;
556#if defined(BUILD_GLES2) || defined(BUILD_GLES3)
557 if (gbacore->glRenderer.outputTex != (unsigned) -1 && mCoreConfigGetIntValue(&core->config, "hwaccelVideo", &fakeBool) && fakeBool) {
558 mCoreConfigGetIntValue(&core->config, "videoScale", &gbacore->glRenderer.scale);
559 renderer = &gbacore->glRenderer.d;
560 } else {
561 gbacore->glRenderer.scale = 1;
562 }
563#endif
564#ifndef DISABLE_THREADING
565 if (mCoreConfigGetIntValue(&core->config, "threadedVideo", &fakeBool) && fakeBool) {
566 if (!core->videoLogger) {
567 core->videoLogger = &gbacore->threadProxy.d;
568 }
569 }
570#endif
571#ifndef MINIMAL_CORE
572 if (renderer && core->videoLogger) {
573 gbacore->proxyRenderer.logger = core->videoLogger;
574 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, renderer);
575 renderer = &gbacore->proxyRenderer.d;
576 }
577#endif
578 if (renderer) {
579 GBAVideoAssociateRenderer(&gba->video, renderer);
580 }
581 }
582
583#ifndef MINIMAL_CORE
584 int useAudioMixer;
585 if (!gbacore->audioMixer && mCoreConfigGetIntValue(&core->config, "gba.audioHle", &useAudioMixer) && useAudioMixer) {
586 gbacore->audioMixer = malloc(sizeof(*gbacore->audioMixer));
587 GBAAudioMixerCreate(gbacore->audioMixer);
588 ((struct ARMCore*) core->cpu)->components[CPU_COMPONENT_AUDIO_MIXER] = &gbacore->audioMixer->d;
589 ARMHotplugAttach(core->cpu, CPU_COMPONENT_AUDIO_MIXER);
590 }
591#endif
592
593 GBAOverrideApplyDefaults(gba, gbacore->overrides);
594
595#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
596 if (!gba->biosVf && core->opts.useBios) {
597 struct VFile* bios = NULL;
598 bool found = false;
599 if (core->opts.bios) {
600 bios = VFileOpen(core->opts.bios, O_RDONLY);
601 if (bios && GBAIsBIOS(bios)) {
602 found = true;
603 } else if (bios) {
604 bios->close(bios);
605 bios = NULL;
606 }
607 }
608 if (!found) {
609 const char* configPath = mCoreConfigGetValue(&core->config, "gba.bios");
610 if (configPath) {
611 bios = VFileOpen(configPath, O_RDONLY);
612 }
613 if (bios && GBAIsBIOS(bios)) {
614 found = true;
615 } else if (bios) {
616 bios->close(bios);
617 bios = NULL;
618 }
619 }
620 if (!found) {
621 char path[PATH_MAX];
622 mCoreConfigDirectory(path, PATH_MAX);
623 strncat(path, PATH_SEP "gba_bios.bin", PATH_MAX - strlen(path));
624 bios = VFileOpen(path, O_RDONLY);
625 if (bios && GBAIsBIOS(bios)) {
626 found = true;
627 } else if (bios) {
628 bios->close(bios);
629 bios = NULL;
630 }
631 }
632 if (found && bios) {
633 GBALoadBIOS(gba, bios);
634 }
635 }
636#endif
637
638 ARMReset(core->cpu);
639 if (core->opts.skipBios && (gba->romVf || gba->memory.rom)) {
640 GBASkipBIOS(core->board);
641 }
642}
643
644static void _GBACoreRunFrame(struct mCore* core) {
645 struct GBA* gba = core->board;
646 int32_t frameCounter = gba->video.frameCounter;
647 while (gba->video.frameCounter == frameCounter) {
648 ARMRunLoop(core->cpu);
649 }
650}
651
652static void _GBACoreRunLoop(struct mCore* core) {
653 ARMRunLoop(core->cpu);
654}
655
656static void _GBACoreStep(struct mCore* core) {
657 ARMRun(core->cpu);
658}
659
660static size_t _GBACoreStateSize(struct mCore* core) {
661 UNUSED(core);
662 return sizeof(struct GBASerializedState);
663}
664
665static bool _GBACoreLoadState(struct mCore* core, const void* state) {
666 return GBADeserialize(core->board, state);
667}
668
669static bool _GBACoreSaveState(struct mCore* core, void* state) {
670 GBASerialize(core->board, state);
671 return true;
672}
673
674static void _GBACoreSetKeys(struct mCore* core, uint32_t keys) {
675 struct GBACore* gbacore = (struct GBACore*) core;
676 gbacore->keys = keys;
677 GBATestKeypadIRQ(core->board);
678}
679
680static void _GBACoreAddKeys(struct mCore* core, uint32_t keys) {
681 struct GBACore* gbacore = (struct GBACore*) core;
682 gbacore->keys |= keys;
683 GBATestKeypadIRQ(core->board);
684}
685
686static void _GBACoreClearKeys(struct mCore* core, uint32_t keys) {
687 struct GBACore* gbacore = (struct GBACore*) core;
688 gbacore->keys &= ~keys;
689}
690
691static int32_t _GBACoreFrameCounter(const struct mCore* core) {
692 const struct GBA* gba = core->board;
693 return gba->video.frameCounter;
694}
695
696static int32_t _GBACoreFrameCycles(const struct mCore* core) {
697 UNUSED(core);
698 return VIDEO_TOTAL_LENGTH;
699}
700
701static int32_t _GBACoreFrequency(const struct mCore* core) {
702 UNUSED(core);
703 return GBA_ARM7TDMI_FREQUENCY;
704}
705
706static void _GBACoreGetGameTitle(const struct mCore* core, char* title) {
707 GBAGetGameTitle(core->board, title);
708}
709
710static void _GBACoreGetGameCode(const struct mCore* core, char* title) {
711 GBAGetGameCode(core->board, title);
712}
713
714static void _GBACoreSetPeripheral(struct mCore* core, int type, void* periph) {
715 struct GBA* gba = core->board;
716 switch (type) {
717 case mPERIPH_ROTATION:
718 gba->rotationSource = periph;
719 break;
720 case mPERIPH_RUMBLE:
721 gba->rumble = periph;
722 break;
723 case mPERIPH_GBA_LUMINANCE:
724 gba->luminanceSource = periph;
725 break;
726 case mPERIPH_GBA_BATTLECHIP_GATE:
727 GBASIOSetDriver(&gba->sio, periph, SIO_MULTI);
728 GBASIOSetDriver(&gba->sio, periph, SIO_NORMAL_32);
729 break;
730 default:
731 return;
732 }
733}
734
735static uint32_t _GBACoreBusRead8(struct mCore* core, uint32_t address) {
736 struct ARMCore* cpu = core->cpu;
737 return cpu->memory.load8(cpu, address, 0);
738}
739
740static uint32_t _GBACoreBusRead16(struct mCore* core, uint32_t address) {
741 struct ARMCore* cpu = core->cpu;
742 return cpu->memory.load16(cpu, address, 0);
743
744}
745
746static uint32_t _GBACoreBusRead32(struct mCore* core, uint32_t address) {
747 struct ARMCore* cpu = core->cpu;
748 return cpu->memory.load32(cpu, address, 0);
749}
750
751static void _GBACoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
752 struct ARMCore* cpu = core->cpu;
753 cpu->memory.store8(cpu, address, value, 0);
754}
755
756static void _GBACoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
757 struct ARMCore* cpu = core->cpu;
758 cpu->memory.store16(cpu, address, value, 0);
759}
760
761static void _GBACoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
762 struct ARMCore* cpu = core->cpu;
763 cpu->memory.store32(cpu, address, value, 0);
764}
765
766static uint32_t _GBACoreRawRead8(struct mCore* core, uint32_t address, int segment) {
767 UNUSED(segment);
768 struct ARMCore* cpu = core->cpu;
769 return GBAView8(cpu, address);
770}
771
772static uint32_t _GBACoreRawRead16(struct mCore* core, uint32_t address, int segment) {
773 UNUSED(segment);
774 struct ARMCore* cpu = core->cpu;
775 return GBAView16(cpu, address);
776}
777
778static uint32_t _GBACoreRawRead32(struct mCore* core, uint32_t address, int segment) {
779 UNUSED(segment);
780 struct ARMCore* cpu = core->cpu;
781 return GBAView32(cpu, address);
782}
783
784static void _GBACoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
785 UNUSED(segment);
786 struct ARMCore* cpu = core->cpu;
787 GBAPatch8(cpu, address, value, NULL);
788}
789
790static void _GBACoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
791 UNUSED(segment);
792 struct ARMCore* cpu = core->cpu;
793 GBAPatch16(cpu, address, value, NULL);
794}
795
796static void _GBACoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
797 UNUSED(segment);
798 struct ARMCore* cpu = core->cpu;
799 GBAPatch32(cpu, address, value, NULL);
800}
801
802size_t _GBAListMemoryBlocks(const struct mCore* core, const struct mCoreMemoryBlock** blocks) {
803 const struct GBA* gba = core->board;
804 switch (gba->memory.savedata.type) {
805 case SAVEDATA_SRAM:
806 *blocks = _GBAMemoryBlocksSRAM;
807 return sizeof(_GBAMemoryBlocksSRAM) / sizeof(*_GBAMemoryBlocksSRAM);
808 case SAVEDATA_FLASH512:
809 *blocks = _GBAMemoryBlocksFlash512;
810 return sizeof(_GBAMemoryBlocksFlash512) / sizeof(*_GBAMemoryBlocksFlash512);
811 case SAVEDATA_FLASH1M:
812 *blocks = _GBAMemoryBlocksFlash1M;
813 return sizeof(_GBAMemoryBlocksFlash1M) / sizeof(*_GBAMemoryBlocksFlash1M);
814 case SAVEDATA_EEPROM:
815 *blocks = _GBAMemoryBlocksEEPROM;
816 return sizeof(_GBAMemoryBlocksEEPROM) / sizeof(*_GBAMemoryBlocksEEPROM);
817 default:
818 *blocks = _GBAMemoryBlocks;
819 return sizeof(_GBAMemoryBlocks) / sizeof(*_GBAMemoryBlocks);
820 }
821}
822
823void* _GBAGetMemoryBlock(struct mCore* core, size_t id, size_t* sizeOut) {
824 struct GBA* gba = core->board;
825 switch (id) {
826 default:
827 return NULL;
828 case REGION_BIOS:
829 *sizeOut = SIZE_BIOS;
830 return gba->memory.bios;
831 case REGION_WORKING_RAM:
832 *sizeOut = SIZE_WORKING_RAM;
833 return gba->memory.wram;
834 case REGION_WORKING_IRAM:
835 *sizeOut = SIZE_WORKING_IRAM;
836 return gba->memory.iwram;
837 case REGION_PALETTE_RAM:
838 *sizeOut = SIZE_PALETTE_RAM;
839 return gba->video.palette;
840 case REGION_VRAM:
841 *sizeOut = SIZE_VRAM;
842 return gba->video.vram;
843 case REGION_OAM:
844 *sizeOut = SIZE_OAM;
845 return gba->video.oam.raw;
846 case REGION_CART0:
847 case REGION_CART1:
848 case REGION_CART2:
849 *sizeOut = gba->memory.romSize;
850 return gba->memory.rom;
851 case REGION_CART_SRAM:
852 if (gba->memory.savedata.type == SAVEDATA_FLASH1M) {
853 *sizeOut = SIZE_CART_FLASH1M;
854 return gba->memory.savedata.currentBank;
855 }
856 // Fall through
857 case REGION_CART_SRAM_MIRROR:
858 *sizeOut = GBASavedataSize(&gba->memory.savedata);
859 return gba->memory.savedata.data;
860 }
861}
862
863#ifdef USE_DEBUGGERS
864static bool _GBACoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
865 UNUSED(core);
866 switch (type) {
867 case DEBUGGER_CUSTOM:
868 case DEBUGGER_CLI:
869 case DEBUGGER_GDB:
870 return true;
871 default:
872 return false;
873 }
874}
875
876static struct mDebuggerPlatform* _GBACoreDebuggerPlatform(struct mCore* core) {
877 struct GBACore* gbacore = (struct GBACore*) core;
878 if (!gbacore->debuggerPlatform) {
879 gbacore->debuggerPlatform = ARMDebuggerPlatformCreate();
880 }
881 return gbacore->debuggerPlatform;
882}
883
884static struct CLIDebuggerSystem* _GBACoreCliDebuggerSystem(struct mCore* core) {
885 return &GBACLIDebuggerCreate(core)->d;
886}
887
888static void _GBACoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
889 if (core->debugger) {
890 GBADetachDebugger(core->board);
891 }
892 GBAAttachDebugger(core->board, debugger);
893 core->debugger = debugger;
894}
895
896static void _GBACoreDetachDebugger(struct mCore* core) {
897 GBADetachDebugger(core->board);
898 core->debugger = NULL;
899}
900
901static void _GBACoreLoadSymbols(struct mCore* core, struct VFile* vf) {
902 bool closeAfter = false;
903 core->symbolTable = mDebuggerSymbolTableCreate();
904#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
905#ifdef USE_ELF
906 if (!vf) {
907 closeAfter = true;
908 vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".elf", O_RDONLY);
909 }
910#endif
911 if (!vf) {
912 closeAfter = true;
913 vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".sym", O_RDONLY);
914 }
915#endif
916 if (!vf) {
917 return;
918 }
919#ifdef USE_ELF
920 struct ELF* elf = ELFOpen(vf);
921 if (elf) {
922#ifdef USE_DEBUGGERS
923 mCoreLoadELFSymbols(core->symbolTable, elf);
924#endif
925 ELFClose(elf);
926 } else
927#endif
928 {
929 mDebuggerLoadARMIPSSymbols(core->symbolTable, vf);
930 }
931 if (closeAfter) {
932 vf->close(vf);
933 }
934}
935
936static bool _GBACoreLookupIdentifier(struct mCore* core, const char* name, int32_t* value, int* segment) {
937 UNUSED(core);
938 *segment = -1;
939 int i;
940 for (i = 0; i < REG_MAX; i += 2) {
941 const char* reg = GBAIORegisterNames[i >> 1];
942 if (reg && strcasecmp(reg, name) == 0) {
943 *value = BASE_IO | i;
944 return true;
945 }
946 }
947 return false;
948}
949#endif
950
951static struct mCheatDevice* _GBACoreCheatDevice(struct mCore* core) {
952 struct GBACore* gbacore = (struct GBACore*) core;
953 if (!gbacore->cheatDevice) {
954 gbacore->cheatDevice = GBACheatDeviceCreate();
955 ((struct ARMCore*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbacore->cheatDevice->d;
956 ARMHotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
957 gbacore->cheatDevice->p = core;
958 }
959 return gbacore->cheatDevice;
960}
961
962static size_t _GBACoreSavedataClone(struct mCore* core, void** sram) {
963 struct GBA* gba = core->board;
964 size_t size = GBASavedataSize(&gba->memory.savedata);
965 if (!size) {
966 *sram = NULL;
967 return 0;
968 }
969 *sram = malloc(size);
970 struct VFile* vf = VFileFromMemory(*sram, size);
971 if (!vf) {
972 free(*sram);
973 *sram = NULL;
974 return 0;
975 }
976 bool success = GBASavedataClone(&gba->memory.savedata, vf);
977 vf->close(vf);
978 if (!success) {
979 free(*sram);
980 *sram = NULL;
981 return 0;
982 }
983 return size;
984}
985
986static bool _GBACoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
987 struct VFile* vf = VFileMemChunk(sram, size);
988 if (!vf) {
989 return false;
990 }
991 struct GBA* gba = core->board;
992 bool success = true;
993 if (writeback) {
994 success = GBASavedataLoad(&gba->memory.savedata, vf);
995 vf->close(vf);
996 } else {
997 GBASavedataMask(&gba->memory.savedata, vf, true);
998 }
999 return success;
1000}
1001
1002static size_t _GBACoreListVideoLayers(const struct mCore* core, const struct mCoreChannelInfo** info) {
1003 UNUSED(core);
1004 if (info) {
1005 *info = _GBAVideoLayers;
1006 }
1007 return sizeof(_GBAVideoLayers) / sizeof(*_GBAVideoLayers);
1008}
1009
1010static size_t _GBACoreListAudioChannels(const struct mCore* core, const struct mCoreChannelInfo** info) {
1011 UNUSED(core);
1012 if (info) {
1013 *info = _GBAAudioChannels;
1014 }
1015 return sizeof(_GBAAudioChannels) / sizeof(*_GBAAudioChannels);
1016}
1017
1018static void _GBACoreEnableVideoLayer(struct mCore* core, size_t id, bool enable) {
1019 struct GBA* gba = core->board;
1020 switch (id) {
1021 case 0:
1022 case 1:
1023 case 2:
1024 case 3:
1025 gba->video.renderer->disableBG[id] = !enable;
1026 break;
1027 case 4:
1028 gba->video.renderer->disableOBJ = !enable;
1029 break;
1030 default:
1031 break;
1032 }
1033}
1034
1035static void _GBACoreEnableAudioChannel(struct mCore* core, size_t id, bool enable) {
1036 struct GBA* gba = core->board;
1037 switch (id) {
1038 case 0:
1039 case 1:
1040 case 2:
1041 case 3:
1042 gba->audio.psg.forceDisableCh[id] = !enable;
1043 break;
1044 case 4:
1045 gba->audio.forceDisableChA = !enable;
1046 break;
1047 case 5:
1048 gba->audio.forceDisableChB = !enable;
1049 break;
1050 default:
1051 break;
1052 }
1053}
1054
1055static void _GBACoreAdjustVideoLayer(struct mCore* core, size_t id, int32_t x, int32_t y) {
1056 struct GBACore* gbacore = (struct GBACore*) core;
1057 switch (id) {
1058 case 0:
1059 case 1:
1060 case 2:
1061 case 3:
1062 gbacore->renderer.bg[id].offsetX = x;
1063 gbacore->renderer.bg[id].offsetY = y;
1064 break;
1065 case 4:
1066 gbacore->renderer.objOffsetX = x;
1067 gbacore->renderer.objOffsetY = y;
1068 gbacore->renderer.oamDirty = 1;
1069 break;
1070 default:
1071 return;
1072 }
1073 memset(gbacore->renderer.scanlineDirty, 0xFFFFFFFF, sizeof(gbacore->renderer.scanlineDirty));
1074}
1075
1076#ifndef MINIMAL_CORE
1077static void _GBACoreStartVideoLog(struct mCore* core, struct mVideoLogContext* context) {
1078 struct GBACore* gbacore = (struct GBACore*) core;
1079 struct GBA* gba = core->board;
1080 gbacore->logContext = context;
1081
1082 struct GBASerializedState* state = mVideoLogContextInitialState(context, NULL);
1083 state->id = 0;
1084 state->cpu.gprs[ARM_PC] = BASE_WORKING_RAM;
1085
1086 int channelId = mVideoLoggerAddChannel(context);
1087 gbacore->vlProxy.logger = malloc(sizeof(struct mVideoLogger));
1088 mVideoLoggerRendererCreate(gbacore->vlProxy.logger, false);
1089 mVideoLoggerAttachChannel(gbacore->vlProxy.logger, context, channelId);
1090 gbacore->vlProxy.logger->block = false;
1091
1092 GBAVideoProxyRendererCreate(&gbacore->vlProxy, gba->video.renderer);
1093 GBAVideoProxyRendererShim(&gba->video, &gbacore->vlProxy);
1094}
1095
1096static void _GBACoreEndVideoLog(struct mCore* core) {
1097 struct GBACore* gbacore = (struct GBACore*) core;
1098 struct GBA* gba = core->board;
1099 if (gbacore->vlProxy.logger) {
1100 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->vlProxy);
1101 free(gbacore->vlProxy.logger);
1102 gbacore->vlProxy.logger = NULL;
1103 }
1104}
1105#endif
1106
1107struct mCore* GBACoreCreate(void) {
1108 struct GBACore* gbacore = malloc(sizeof(*gbacore));
1109 struct mCore* core = &gbacore->d;
1110 memset(&core->opts, 0, sizeof(core->opts));
1111 core->cpu = NULL;
1112 core->board = NULL;
1113 core->debugger = NULL;
1114 core->init = _GBACoreInit;
1115 core->deinit = _GBACoreDeinit;
1116 core->platform = _GBACorePlatform;
1117 core->supportsFeature = _GBACoreSupportsFeature;
1118 core->setSync = _GBACoreSetSync;
1119 core->loadConfig = _GBACoreLoadConfig;
1120 core->reloadConfigOption = _GBACoreReloadConfigOption;
1121 core->desiredVideoDimensions = _GBACoreDesiredVideoDimensions;
1122 core->setVideoBuffer = _GBACoreSetVideoBuffer;
1123 core->setVideoGLTex = _GBACoreSetVideoGLTex;
1124 core->getPixels = _GBACoreGetPixels;
1125 core->putPixels = _GBACorePutPixels;
1126 core->getAudioChannel = _GBACoreGetAudioChannel;
1127 core->setAudioBufferSize = _GBACoreSetAudioBufferSize;
1128 core->getAudioBufferSize = _GBACoreGetAudioBufferSize;
1129 core->addCoreCallbacks = _GBACoreAddCoreCallbacks;
1130 core->clearCoreCallbacks = _GBACoreClearCoreCallbacks;
1131 core->setAVStream = _GBACoreSetAVStream;
1132 core->isROM = GBAIsROM;
1133 core->loadROM = _GBACoreLoadROM;
1134 core->loadBIOS = _GBACoreLoadBIOS;
1135 core->loadSave = _GBACoreLoadSave;
1136 core->loadTemporarySave = _GBACoreLoadTemporarySave;
1137 core->loadPatch = _GBACoreLoadPatch;
1138 core->unloadROM = _GBACoreUnloadROM;
1139 core->checksum = _GBACoreChecksum;
1140 core->reset = _GBACoreReset;
1141 core->runFrame = _GBACoreRunFrame;
1142 core->runLoop = _GBACoreRunLoop;
1143 core->step = _GBACoreStep;
1144 core->stateSize = _GBACoreStateSize;
1145 core->loadState = _GBACoreLoadState;
1146 core->saveState = _GBACoreSaveState;
1147 core->setKeys = _GBACoreSetKeys;
1148 core->addKeys = _GBACoreAddKeys;
1149 core->clearKeys = _GBACoreClearKeys;
1150 core->frameCounter = _GBACoreFrameCounter;
1151 core->frameCycles = _GBACoreFrameCycles;
1152 core->frequency = _GBACoreFrequency;
1153 core->getGameTitle = _GBACoreGetGameTitle;
1154 core->getGameCode = _GBACoreGetGameCode;
1155 core->setPeripheral = _GBACoreSetPeripheral;
1156 core->busRead8 = _GBACoreBusRead8;
1157 core->busRead16 = _GBACoreBusRead16;
1158 core->busRead32 = _GBACoreBusRead32;
1159 core->busWrite8 = _GBACoreBusWrite8;
1160 core->busWrite16 = _GBACoreBusWrite16;
1161 core->busWrite32 = _GBACoreBusWrite32;
1162 core->rawRead8 = _GBACoreRawRead8;
1163 core->rawRead16 = _GBACoreRawRead16;
1164 core->rawRead32 = _GBACoreRawRead32;
1165 core->rawWrite8 = _GBACoreRawWrite8;
1166 core->rawWrite16 = _GBACoreRawWrite16;
1167 core->rawWrite32 = _GBACoreRawWrite32;
1168 core->listMemoryBlocks = _GBAListMemoryBlocks;
1169 core->getMemoryBlock = _GBAGetMemoryBlock;
1170#ifdef USE_DEBUGGERS
1171 core->supportsDebuggerType = _GBACoreSupportsDebuggerType;
1172 core->debuggerPlatform = _GBACoreDebuggerPlatform;
1173 core->cliDebuggerSystem = _GBACoreCliDebuggerSystem;
1174 core->attachDebugger = _GBACoreAttachDebugger;
1175 core->detachDebugger = _GBACoreDetachDebugger;
1176 core->loadSymbols = _GBACoreLoadSymbols;
1177 core->lookupIdentifier = _GBACoreLookupIdentifier;
1178#endif
1179 core->cheatDevice = _GBACoreCheatDevice;
1180 core->savedataClone = _GBACoreSavedataClone;
1181 core->savedataRestore = _GBACoreSavedataRestore;
1182 core->listVideoLayers = _GBACoreListVideoLayers;
1183 core->listAudioChannels = _GBACoreListAudioChannels;
1184 core->enableVideoLayer = _GBACoreEnableVideoLayer;
1185 core->enableAudioChannel = _GBACoreEnableAudioChannel;
1186 core->adjustVideoLayer = _GBACoreAdjustVideoLayer;
1187#ifndef MINIMAL_CORE
1188 core->startVideoLog = _GBACoreStartVideoLog;
1189 core->endVideoLog = _GBACoreEndVideoLog;
1190#endif
1191 return core;
1192}
1193
1194#ifndef MINIMAL_CORE
1195static void _GBAVLPStartFrameCallback(void *context) {
1196 struct mCore* core = context;
1197 struct GBACore* gbacore = (struct GBACore*) core;
1198 struct GBA* gba = core->board;
1199
1200 if (!mVideoLoggerRendererRun(gbacore->vlProxy.logger, true)) {
1201 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->vlProxy);
1202 mVideoLogContextRewind(gbacore->logContext, core);
1203 GBAVideoProxyRendererShim(&gba->video, &gbacore->vlProxy);
1204 gba->earlyExit = true;
1205 }
1206}
1207
1208static bool _GBAVLPInit(struct mCore* core) {
1209 struct GBACore* gbacore = (struct GBACore*) core;
1210 if (!_GBACoreInit(core)) {
1211 return false;
1212 }
1213 gbacore->vlProxy.logger = malloc(sizeof(struct mVideoLogger));
1214 mVideoLoggerRendererCreate(gbacore->vlProxy.logger, true);
1215 GBAVideoProxyRendererCreate(&gbacore->vlProxy, NULL);
1216 memset(&gbacore->logCallbacks, 0, sizeof(gbacore->logCallbacks));
1217 gbacore->logCallbacks.videoFrameStarted = _GBAVLPStartFrameCallback;
1218 gbacore->logCallbacks.context = core;
1219 core->addCoreCallbacks(core, &gbacore->logCallbacks);
1220 core->videoLogger = gbacore->vlProxy.logger;
1221 return true;
1222}
1223
1224static void _GBAVLPDeinit(struct mCore* core) {
1225 struct GBACore* gbacore = (struct GBACore*) core;
1226 if (gbacore->logContext) {
1227 mVideoLogContextDestroy(core, gbacore->logContext);
1228 }
1229 _GBACoreDeinit(core);
1230}
1231
1232static void _GBAVLPReset(struct mCore* core) {
1233 struct GBACore* gbacore = (struct GBACore*) core;
1234 struct GBA* gba = (struct GBA*) core->board;
1235 if (gba->video.renderer == &gbacore->vlProxy.d) {
1236 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->vlProxy);
1237 } else if (gbacore->renderer.outputBuffer) {
1238 struct GBAVideoRenderer* renderer = &gbacore->renderer.d;
1239 GBAVideoAssociateRenderer(&gba->video, renderer);
1240 }
1241
1242 ARMReset(core->cpu);
1243 mVideoLogContextRewind(gbacore->logContext, core);
1244 GBAVideoProxyRendererShim(&gba->video, &gbacore->vlProxy);
1245
1246 // Make sure CPU loop never spins
1247 GBAHalt(gba);
1248 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1249 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1250}
1251
1252static bool _GBAVLPLoadROM(struct mCore* core, struct VFile* vf) {
1253 struct GBACore* gbacore = (struct GBACore*) core;
1254 gbacore->logContext = mVideoLogContextCreate(NULL);
1255 if (!mVideoLogContextLoad(gbacore->logContext, vf)) {
1256 mVideoLogContextDestroy(core, gbacore->logContext);
1257 gbacore->logContext = NULL;
1258 return false;
1259 }
1260 mVideoLoggerAttachChannel(gbacore->vlProxy.logger, gbacore->logContext, 0);
1261 return true;
1262}
1263
1264static bool _GBAVLPLoadState(struct mCore* core, const void* state) {
1265 struct GBA* gba = (struct GBA*) core->board;
1266
1267 gba->timing.root = NULL;
1268 gba->cpu->gprs[ARM_PC] = BASE_WORKING_RAM;
1269 gba->cpu->memory.setActiveRegion(gba->cpu, gba->cpu->gprs[ARM_PC]);
1270
1271 // Make sure CPU loop never spins
1272 GBAHalt(gba);
1273 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1274 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1275 GBAVideoDeserialize(&gba->video, state);
1276 GBAIODeserialize(gba, state);
1277 GBAAudioReset(&gba->audio);
1278
1279 return true;
1280}
1281
1282static bool _returnTrue(struct VFile* vf) {
1283 UNUSED(vf);
1284 return true;
1285}
1286
1287struct mCore* GBAVideoLogPlayerCreate(void) {
1288 struct mCore* core = GBACoreCreate();
1289 core->init = _GBAVLPInit;
1290 core->deinit = _GBAVLPDeinit;
1291 core->reset = _GBAVLPReset;
1292 core->loadROM = _GBAVLPLoadROM;
1293 core->loadState = _GBAVLPLoadState;
1294 core->isROM = _returnTrue;
1295 return core;
1296}
1297#else
1298struct mCore* GBAVideoLogPlayerCreate(void) {
1299 return false;
1300}
1301#endif