src/gba/core.c (view raw)
1/* Copyright (c) 2013-2016 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#include <mgba/gba/core.h>
7
8#include <mgba/core/core.h>
9#include <mgba/core/log.h>
10#include <mgba/internal/arm/debugger/debugger.h>
11#include <mgba/internal/debugger/symbols.h>
12#include <mgba/internal/gba/cheats.h>
13#include <mgba/internal/gba/gba.h>
14#include <mgba/internal/gba/io.h>
15#include <mgba/internal/gba/extra/cli.h>
16#include <mgba/internal/gba/overrides.h>
17#ifndef DISABLE_THREADING
18#include <mgba/feature/thread-proxy.h>
19#endif
20#ifdef BUILD_GLES2
21#include <mgba/internal/gba/renderers/gl.h>
22#endif
23#include <mgba/internal/gba/renderers/proxy.h>
24#include <mgba/internal/gba/renderers/video-software.h>
25#include <mgba/internal/gba/savedata.h>
26#include <mgba/internal/gba/serialize.h>
27#ifdef USE_ELF
28#include <mgba-util/elf-read.h>
29#endif
30#include <mgba-util/memory.h>
31#include <mgba-util/patch.h>
32#include <mgba-util/vfs.h>
33
34static const struct mCoreChannelInfo _GBAVideoLayers[] = {
35 { 0, "bg0", "Background 0", NULL },
36 { 1, "bg1", "Background 1", NULL },
37 { 2, "bg2", "Background 2", NULL },
38 { 3, "bg3", "Background 3", NULL },
39 { 4, "obj", "Objects", NULL },
40};
41
42static const struct mCoreChannelInfo _GBAAudioChannels[] = {
43 { 0, "ch1", "PSG Channel 1", "Square/Sweep" },
44 { 1, "ch2", "PSG Channel 2", "Square" },
45 { 2, "ch3", "PSG Channel 3", "PCM" },
46 { 3, "ch4", "PSG Channel 4", "Noise" },
47 { 4, "chA", "FIFO Channel A", NULL },
48 { 5, "chB", "FIFO Channel B", NULL },
49};
50
51static const struct mCoreMemoryBlock _GBAMemoryBlocks[] = {
52 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
53 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
54 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
55 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
56 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
57 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
58 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
59 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
60 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
61 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
62 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
63};
64
65static const struct mCoreMemoryBlock _GBAMemoryBlocksSRAM[] = {
66 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
67 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
68 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
69 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
70 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
71 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
72 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
73 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
74 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
75 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
76 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
77 { REGION_CART_SRAM, "sram", "SRAM", "Static RAM (64kiB)", BASE_CART_SRAM, BASE_CART_SRAM + SIZE_CART_SRAM, SIZE_CART_SRAM, true },
78};
79
80static const struct mCoreMemoryBlock _GBAMemoryBlocksFlash512[] = {
81 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
82 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
83 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
84 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
85 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
86 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
87 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
88 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
89 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
90 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
91 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
92 { REGION_CART_SRAM, "sram", "Flash", "Flash Memory (64kiB)", BASE_CART_SRAM, BASE_CART_SRAM + SIZE_CART_FLASH512, SIZE_CART_FLASH512, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
93};
94
95static const struct mCoreMemoryBlock _GBAMemoryBlocksFlash1M[] = {
96 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
97 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
98 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
99 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
100 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
101 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
102 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
103 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
104 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
105 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
106 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
107 { REGION_CART_SRAM, "sram", "Flash", "Flash Memory (64kiB)", BASE_CART_SRAM, BASE_CART_SRAM + SIZE_CART_FLASH512, SIZE_CART_FLASH1M, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED, 1 },
108};
109
110static const struct mCoreMemoryBlock _GBAMemoryBlocksEEPROM[] = {
111 { -1, "mem", "All", "All", 0, 0x10000000, 0x10000000, mCORE_MEMORY_VIRTUAL },
112 { REGION_BIOS, "bios", "BIOS", "BIOS (16kiB)", BASE_BIOS, SIZE_BIOS, SIZE_BIOS, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
113 { REGION_WORKING_RAM, "wram", "EWRAM", "Working RAM (256kiB)", BASE_WORKING_RAM, BASE_WORKING_RAM + SIZE_WORKING_RAM, SIZE_WORKING_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
114 { REGION_WORKING_IRAM, "iwram", "IWRAM", "Internal Working RAM (32kiB)", BASE_WORKING_IRAM, BASE_WORKING_IRAM + SIZE_WORKING_IRAM, SIZE_WORKING_IRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
115 { REGION_IO, "io", "MMIO", "Memory-Mapped I/O", BASE_IO, BASE_IO + SIZE_IO, SIZE_IO, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
116 { REGION_PALETTE_RAM, "palette", "Palette", "Palette RAM (1kiB)", BASE_PALETTE_RAM, BASE_PALETTE_RAM + SIZE_PALETTE_RAM, SIZE_PALETTE_RAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
117 { REGION_VRAM, "vram", "VRAM", "Video RAM (96kiB)", BASE_VRAM, BASE_VRAM + SIZE_VRAM, SIZE_VRAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
118 { REGION_OAM, "oam", "OAM", "OBJ Attribute Memory (1kiB)", BASE_OAM, BASE_OAM + SIZE_OAM, SIZE_OAM, mCORE_MEMORY_RW | mCORE_MEMORY_MAPPED },
119 { REGION_CART0, "cart0", "ROM", "Game Pak (32MiB)", BASE_CART0, BASE_CART0 + SIZE_CART0, SIZE_CART0, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
120 { REGION_CART1, "cart1", "ROM WS1", "Game Pak (Waitstate 1)", BASE_CART1, BASE_CART1 + SIZE_CART1, SIZE_CART1, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
121 { REGION_CART2, "cart2", "ROM WS2", "Game Pak (Waitstate 2)", BASE_CART2, BASE_CART2 + SIZE_CART2, SIZE_CART2, mCORE_MEMORY_READ | mCORE_MEMORY_MAPPED },
122 { REGION_CART_SRAM_MIRROR, "eeprom", "EEPROM", "EEPROM (8kiB)", 0, SIZE_CART_EEPROM, SIZE_CART_EEPROM, mCORE_MEMORY_RW },
123};
124
125struct mVideoLogContext;
126struct GBACore {
127 struct mCore d;
128 struct GBAVideoSoftwareRenderer renderer;
129#ifdef BUILD_GLES2
130 struct GBAVideoGLRenderer glRenderer;
131#endif
132 struct GBAVideoProxyRenderer proxyRenderer;
133 struct mVideoLogContext* logContext;
134 struct mCoreCallbacks logCallbacks;
135#ifndef DISABLE_THREADING
136 struct mVideoThreadProxy threadProxy;
137#endif
138 int keys;
139 struct mCPUComponent* components[CPU_COMPONENT_MAX];
140 const struct Configuration* overrides;
141 struct mDebuggerPlatform* debuggerPlatform;
142 struct mCheatDevice* cheatDevice;
143};
144
145static bool _GBACoreInit(struct mCore* core) {
146 struct GBACore* gbacore = (struct GBACore*) core;
147
148 struct ARMCore* cpu = anonymousMemoryMap(sizeof(struct ARMCore));
149 struct GBA* gba = anonymousMemoryMap(sizeof(struct GBA));
150 if (!cpu || !gba) {
151 free(cpu);
152 free(gba);
153 return false;
154 }
155 core->cpu = cpu;
156 core->board = gba;
157 core->timing = &gba->timing;
158 core->debugger = NULL;
159 core->symbolTable = NULL;
160 core->videoLogger = NULL;
161 gbacore->overrides = NULL;
162 gbacore->debuggerPlatform = NULL;
163 gbacore->cheatDevice = NULL;
164 gbacore->logContext = NULL;
165
166 GBACreate(gba);
167 // TODO: Restore cheats
168 memset(gbacore->components, 0, sizeof(gbacore->components));
169 ARMSetComponents(cpu, &gba->d, CPU_COMPONENT_MAX, gbacore->components);
170 ARMInit(cpu);
171 mRTCGenericSourceInit(&core->rtc, core);
172 gba->rtcSource = &core->rtc.d;
173
174 GBAVideoSoftwareRendererCreate(&gbacore->renderer);
175 gbacore->renderer.outputBuffer = NULL;
176
177#ifdef BUILD_GLES2
178 GBAVideoGLRendererCreate(&gbacore->glRenderer);
179 gbacore->glRenderer.outputTex = -1;
180#endif
181
182#ifndef DISABLE_THREADING
183 mVideoThreadProxyCreate(&gbacore->threadProxy);
184#endif
185 gbacore->proxyRenderer.logger = NULL;
186
187 gbacore->keys = 0;
188 gba->keySource = &gbacore->keys;
189
190#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
191 mDirectorySetInit(&core->dirs);
192#endif
193
194 return true;
195}
196
197static void _GBACoreDeinit(struct mCore* core) {
198 ARMDeinit(core->cpu);
199 GBADestroy(core->board);
200 mappedMemoryFree(core->cpu, sizeof(struct ARMCore));
201 mappedMemoryFree(core->board, sizeof(struct GBA));
202#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
203 mDirectorySetDeinit(&core->dirs);
204#endif
205
206 struct GBACore* gbacore = (struct GBACore*) core;
207 free(gbacore->debuggerPlatform);
208 if (gbacore->cheatDevice) {
209 mCheatDeviceDestroy(gbacore->cheatDevice);
210 }
211 free(gbacore->cheatDevice);
212 mCoreConfigFreeOpts(&core->opts);
213 free(core);
214}
215
216static enum mPlatform _GBACorePlatform(const struct mCore* core) {
217 UNUSED(core);
218 return PLATFORM_GBA;
219}
220
221static bool _GBACoreSupportsFeature(const struct mCore* core, enum mCoreFeature feature) {
222 UNUSED(core);
223 switch (feature) {
224 case mCORE_FEATURE_OPENGL:
225#ifdef BUILD_GLES2
226 return true;
227#else
228 return false;
229#endif
230 default:
231 return false;
232 }
233}
234
235static void _GBACoreSetSync(struct mCore* core, struct mCoreSync* sync) {
236 struct GBA* gba = core->board;
237 gba->sync = sync;
238}
239
240static void _GBACoreLoadConfig(struct mCore* core, const struct mCoreConfig* config) {
241 struct GBA* gba = core->board;
242 if (core->opts.mute) {
243 gba->audio.masterVolume = 0;
244 } else {
245 gba->audio.masterVolume = core->opts.volume;
246 }
247 gba->video.frameskip = core->opts.frameskip;
248
249#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
250 struct GBACore* gbacore = (struct GBACore*) core;
251 gbacore->overrides = mCoreConfigGetOverridesConst(config);
252#endif
253
254 const char* idleOptimization = mCoreConfigGetValue(config, "idleOptimization");
255 if (idleOptimization) {
256 if (strcasecmp(idleOptimization, "ignore") == 0) {
257 gba->idleOptimization = IDLE_LOOP_IGNORE;
258 } else if (strcasecmp(idleOptimization, "remove") == 0) {
259 gba->idleOptimization = IDLE_LOOP_REMOVE;
260 } else if (strcasecmp(idleOptimization, "detect") == 0) {
261 if (gba->idleLoop == IDLE_LOOP_NONE) {
262 gba->idleOptimization = IDLE_LOOP_DETECT;
263 } else {
264 gba->idleOptimization = IDLE_LOOP_REMOVE;
265 }
266 }
267 }
268
269 int fakeBool = 0;
270 mCoreConfigGetIntValue(config, "allowOpposingDirections", &fakeBool);
271 gba->allowOpposingDirections = fakeBool;
272
273 mCoreConfigCopyValue(&core->config, config, "allowOpposingDirections");
274 mCoreConfigCopyValue(&core->config, config, "gba.bios");
275
276#ifndef DISABLE_THREADING
277 mCoreConfigCopyValue(&core->config, config, "threadedVideo");
278#endif
279 mCoreConfigCopyValue(&core->config, config, "hwaccelVideo");
280 mCoreConfigCopyValue(&core->config, config, "videoScale");
281}
282
283static void _GBACoreDesiredVideoDimensions(struct mCore* core, unsigned* width, unsigned* height) {
284#ifdef BUILD_GLES2
285 struct GBACore* gbacore = (struct GBACore*) core;
286 int scale = gbacore->glRenderer.scale;
287#else
288 int scale = 1;
289#endif
290
291 *width = GBA_VIDEO_HORIZONTAL_PIXELS * scale;
292 *height = GBA_VIDEO_VERTICAL_PIXELS * scale;
293}
294
295static void _GBACoreSetVideoBuffer(struct mCore* core, color_t* buffer, size_t stride) {
296 struct GBACore* gbacore = (struct GBACore*) core;
297 gbacore->renderer.outputBuffer = buffer;
298 gbacore->renderer.outputBufferStride = stride;
299 memset(gbacore->renderer.scanlineDirty, 0xFFFFFFFF, sizeof(gbacore->renderer.scanlineDirty));
300}
301
302static void _GBACoreSetVideoGLTex(struct mCore* core, unsigned texid) {
303#ifdef BUILD_GLES2
304 struct GBACore* gbacore = (struct GBACore*) core;
305 gbacore->glRenderer.outputTex = texid;
306#else
307 UNUSED(core);
308 UNUSED(texid);
309#endif
310}
311
312static void _GBACoreGetPixels(struct mCore* core, const void** buffer, size_t* stride) {
313 struct GBA* gba = core->board;
314 gba->video.renderer->getPixels(gba->video.renderer, stride, buffer);
315}
316
317static void _GBACorePutPixels(struct mCore* core, const void* buffer, size_t stride) {
318 struct GBA* gba = core->board;
319 gba->video.renderer->putPixels(gba->video.renderer, stride, buffer);
320}
321
322static struct blip_t* _GBACoreGetAudioChannel(struct mCore* core, int ch) {
323 struct GBA* gba = core->board;
324 switch (ch) {
325 case 0:
326 return gba->audio.psg.left;
327 case 1:
328 return gba->audio.psg.right;
329 default:
330 return NULL;
331 }
332}
333
334static void _GBACoreSetAudioBufferSize(struct mCore* core, size_t samples) {
335 struct GBA* gba = core->board;
336 GBAAudioResizeBuffer(&gba->audio, samples);
337}
338
339static size_t _GBACoreGetAudioBufferSize(struct mCore* core) {
340 struct GBA* gba = core->board;
341 return gba->audio.samples;
342}
343
344static void _GBACoreAddCoreCallbacks(struct mCore* core, struct mCoreCallbacks* coreCallbacks) {
345 struct GBA* gba = core->board;
346 *mCoreCallbacksListAppend(&gba->coreCallbacks) = *coreCallbacks;
347}
348
349static void _GBACoreClearCoreCallbacks(struct mCore* core) {
350 struct GBA* gba = core->board;
351 mCoreCallbacksListClear(&gba->coreCallbacks);
352}
353
354static void _GBACoreSetAVStream(struct mCore* core, struct mAVStream* stream) {
355 struct GBA* gba = core->board;
356 gba->stream = stream;
357 if (stream && stream->videoDimensionsChanged) {
358 stream->videoDimensionsChanged(stream, GBA_VIDEO_HORIZONTAL_PIXELS, GBA_VIDEO_VERTICAL_PIXELS);
359 }
360}
361
362static bool _GBACoreLoadROM(struct mCore* core, struct VFile* vf) {
363#ifdef USE_ELF
364 struct ELF* elf = ELFOpen(vf);
365 if (elf) {
366 GBALoadNull(core->board);
367 bool success = mCoreLoadELF(core, elf);
368 ELFClose(elf);
369 return success;
370 }
371#endif
372 if (GBAIsMB(vf)) {
373 return GBALoadMB(core->board, vf);
374 }
375 return GBALoadROM(core->board, vf);
376}
377
378static bool _GBACoreLoadBIOS(struct mCore* core, struct VFile* vf, int type) {
379 UNUSED(type);
380 if (!GBAIsBIOS(vf)) {
381 return false;
382 }
383 GBALoadBIOS(core->board, vf);
384 return true;
385}
386
387static bool _GBACoreLoadSave(struct mCore* core, struct VFile* vf) {
388 return GBALoadSave(core->board, vf);
389}
390
391static bool _GBACoreLoadTemporarySave(struct mCore* core, struct VFile* vf) {
392 struct GBA* gba = core->board;
393 GBASavedataMask(&gba->memory.savedata, vf, false);
394 return true; // TODO: Return a real value
395}
396
397static bool _GBACoreLoadPatch(struct mCore* core, struct VFile* vf) {
398 if (!vf) {
399 return false;
400 }
401 struct Patch patch;
402 if (!loadPatch(vf, &patch)) {
403 return false;
404 }
405 GBAApplyPatch(core->board, &patch);
406 return true;
407}
408
409static void _GBACoreUnloadROM(struct mCore* core) {
410 struct GBACore* gbacore = (struct GBACore*) core;
411 struct ARMCore* cpu = core->cpu;
412 if (gbacore->cheatDevice) {
413 ARMHotplugDetach(cpu, CPU_COMPONENT_CHEAT_DEVICE);
414 cpu->components[CPU_COMPONENT_CHEAT_DEVICE] = NULL;
415 mCheatDeviceDestroy(gbacore->cheatDevice);
416 gbacore->cheatDevice = NULL;
417 }
418 return GBAUnloadROM(core->board);
419}
420
421static void _GBACoreChecksum(const struct mCore* core, void* data, enum mCoreChecksumType type) {
422 struct GBA* gba = (struct GBA*) core->board;
423 switch (type) {
424 case CHECKSUM_CRC32:
425 memcpy(data, &gba->romCrc32, sizeof(gba->romCrc32));
426 break;
427 }
428 return;
429}
430
431static void _GBACoreReset(struct mCore* core) {
432 struct GBACore* gbacore = (struct GBACore*) core;
433 struct GBA* gba = (struct GBA*) core->board;
434 if (gbacore->renderer.outputBuffer
435#ifdef BUILD_GLES2
436 || gbacore->glRenderer.outputTex != (unsigned) -1
437#endif
438 ) {
439 struct GBAVideoRenderer* renderer;
440 if (gbacore->renderer.outputBuffer) {
441 renderer = &gbacore->renderer.d;
442 }
443 int fakeBool;
444#ifdef BUILD_GLES2
445 if (gbacore->glRenderer.outputTex != (unsigned) -1 && mCoreConfigGetIntValue(&core->config, "hwaccelVideo", &fakeBool) && fakeBool) {
446 renderer = &gbacore->glRenderer.d;
447 mCoreConfigGetIntValue(&core->config, "videoScale", &gbacore->glRenderer.scale);
448 }
449#endif
450#ifndef DISABLE_THREADING
451 if (mCoreConfigGetIntValue(&core->config, "threadedVideo", &fakeBool) && fakeBool) {
452 if (!core->videoLogger) {
453 core->videoLogger = &gbacore->threadProxy.d;
454 }
455 }
456#endif
457 if (core->videoLogger) {
458 gbacore->proxyRenderer.logger = core->videoLogger;
459 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, renderer);
460 renderer = &gbacore->proxyRenderer.d;
461 }
462 GBAVideoAssociateRenderer(&gba->video, renderer);
463 }
464
465 GBAOverrideApplyDefaults(gba, gbacore->overrides);
466
467#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
468 if (!gba->biosVf && core->opts.useBios) {
469 struct VFile* bios = NULL;
470 bool found = false;
471 if (core->opts.bios) {
472 bios = VFileOpen(core->opts.bios, O_RDONLY);
473 if (bios && GBAIsBIOS(bios)) {
474 found = true;
475 } else if (bios) {
476 bios->close(bios);
477 bios = NULL;
478 }
479 }
480 if (!found) {
481 const char* configPath = mCoreConfigGetValue(&core->config, "gba.bios");
482 if (configPath) {
483 bios = VFileOpen(configPath, O_RDONLY);
484 }
485 if (bios && GBAIsBIOS(bios)) {
486 found = true;
487 } else if (bios) {
488 bios->close(bios);
489 bios = NULL;
490 }
491 }
492 if (!found) {
493 char path[PATH_MAX];
494 mCoreConfigDirectory(path, PATH_MAX);
495 strncat(path, PATH_SEP "gba_bios.bin", PATH_MAX - strlen(path));
496 bios = VFileOpen(path, O_RDONLY);
497 if (bios && GBAIsBIOS(bios)) {
498 found = true;
499 } else if (bios) {
500 bios->close(bios);
501 bios = NULL;
502 }
503 }
504 if (bios) {
505 GBALoadBIOS(gba, bios);
506 }
507 }
508#endif
509
510 ARMReset(core->cpu);
511 if (core->opts.skipBios && gba->isPristine) {
512 GBASkipBIOS(core->board);
513 }
514}
515
516static void _GBACoreRunFrame(struct mCore* core) {
517 struct GBA* gba = core->board;
518 int32_t frameCounter = gba->video.frameCounter;
519 while (gba->video.frameCounter == frameCounter) {
520 ARMRunLoop(core->cpu);
521 }
522}
523
524static void _GBACoreRunLoop(struct mCore* core) {
525 ARMRunLoop(core->cpu);
526}
527
528static void _GBACoreStep(struct mCore* core) {
529 ARMRun(core->cpu);
530}
531
532static size_t _GBACoreStateSize(struct mCore* core) {
533 UNUSED(core);
534 return sizeof(struct GBASerializedState);
535}
536
537static bool _GBACoreLoadState(struct mCore* core, const void* state) {
538 return GBADeserialize(core->board, state);
539}
540
541static bool _GBACoreSaveState(struct mCore* core, void* state) {
542 GBASerialize(core->board, state);
543 return true;
544}
545
546static void _GBACoreSetKeys(struct mCore* core, uint32_t keys) {
547 struct GBACore* gbacore = (struct GBACore*) core;
548 gbacore->keys = keys;
549 GBATestKeypadIRQ(core->board);
550}
551
552static void _GBACoreAddKeys(struct mCore* core, uint32_t keys) {
553 struct GBACore* gbacore = (struct GBACore*) core;
554 gbacore->keys |= keys;
555 GBATestKeypadIRQ(core->board);
556}
557
558static void _GBACoreClearKeys(struct mCore* core, uint32_t keys) {
559 struct GBACore* gbacore = (struct GBACore*) core;
560 gbacore->keys &= ~keys;
561}
562
563static int32_t _GBACoreFrameCounter(const struct mCore* core) {
564 const struct GBA* gba = core->board;
565 return gba->video.frameCounter;
566}
567
568static int32_t _GBACoreFrameCycles(const struct mCore* core) {
569 UNUSED(core);
570 return VIDEO_TOTAL_LENGTH;
571}
572
573static int32_t _GBACoreFrequency(const struct mCore* core) {
574 UNUSED(core);
575 return GBA_ARM7TDMI_FREQUENCY;
576}
577
578static void _GBACoreGetGameTitle(const struct mCore* core, char* title) {
579 GBAGetGameTitle(core->board, title);
580}
581
582static void _GBACoreGetGameCode(const struct mCore* core, char* title) {
583 GBAGetGameCode(core->board, title);
584}
585
586static void _GBACoreSetPeripheral(struct mCore* core, int type, void* periph) {
587 struct GBA* gba = core->board;
588 switch (type) {
589 case mPERIPH_ROTATION:
590 gba->rotationSource = periph;
591 break;
592 case mPERIPH_RUMBLE:
593 gba->rumble = periph;
594 break;
595 case mPERIPH_GBA_LUMINANCE:
596 gba->luminanceSource = periph;
597 break;
598 case mPERIPH_GBA_BATTLECHIP_GATE:
599 GBASIOSetDriver(&gba->sio, periph, SIO_MULTI);
600 GBASIOSetDriver(&gba->sio, periph, SIO_NORMAL_32);
601 break;
602 default:
603 return;
604 }
605}
606
607static uint32_t _GBACoreBusRead8(struct mCore* core, uint32_t address) {
608 struct ARMCore* cpu = core->cpu;
609 return cpu->memory.load8(cpu, address, 0);
610}
611
612static uint32_t _GBACoreBusRead16(struct mCore* core, uint32_t address) {
613 struct ARMCore* cpu = core->cpu;
614 return cpu->memory.load16(cpu, address, 0);
615
616}
617
618static uint32_t _GBACoreBusRead32(struct mCore* core, uint32_t address) {
619 struct ARMCore* cpu = core->cpu;
620 return cpu->memory.load32(cpu, address, 0);
621}
622
623static void _GBACoreBusWrite8(struct mCore* core, uint32_t address, uint8_t value) {
624 struct ARMCore* cpu = core->cpu;
625 cpu->memory.store8(cpu, address, value, 0);
626}
627
628static void _GBACoreBusWrite16(struct mCore* core, uint32_t address, uint16_t value) {
629 struct ARMCore* cpu = core->cpu;
630 cpu->memory.store16(cpu, address, value, 0);
631}
632
633static void _GBACoreBusWrite32(struct mCore* core, uint32_t address, uint32_t value) {
634 struct ARMCore* cpu = core->cpu;
635 cpu->memory.store32(cpu, address, value, 0);
636}
637
638static uint32_t _GBACoreRawRead8(struct mCore* core, uint32_t address, int segment) {
639 UNUSED(segment);
640 struct ARMCore* cpu = core->cpu;
641 return GBAView8(cpu, address);
642}
643
644static uint32_t _GBACoreRawRead16(struct mCore* core, uint32_t address, int segment) {
645 UNUSED(segment);
646 struct ARMCore* cpu = core->cpu;
647 return GBAView16(cpu, address);
648}
649
650static uint32_t _GBACoreRawRead32(struct mCore* core, uint32_t address, int segment) {
651 UNUSED(segment);
652 struct ARMCore* cpu = core->cpu;
653 return GBAView32(cpu, address);
654}
655
656static void _GBACoreRawWrite8(struct mCore* core, uint32_t address, int segment, uint8_t value) {
657 UNUSED(segment);
658 struct ARMCore* cpu = core->cpu;
659 GBAPatch8(cpu, address, value, NULL);
660}
661
662static void _GBACoreRawWrite16(struct mCore* core, uint32_t address, int segment, uint16_t value) {
663 UNUSED(segment);
664 struct ARMCore* cpu = core->cpu;
665 GBAPatch16(cpu, address, value, NULL);
666}
667
668static void _GBACoreRawWrite32(struct mCore* core, uint32_t address, int segment, uint32_t value) {
669 UNUSED(segment);
670 struct ARMCore* cpu = core->cpu;
671 GBAPatch32(cpu, address, value, NULL);
672}
673
674size_t _GBAListMemoryBlocks(const struct mCore* core, const struct mCoreMemoryBlock** blocks) {
675 const struct GBA* gba = core->board;
676 switch (gba->memory.savedata.type) {
677 case SAVEDATA_SRAM:
678 *blocks = _GBAMemoryBlocksSRAM;
679 return sizeof(_GBAMemoryBlocksSRAM) / sizeof(*_GBAMemoryBlocksSRAM);
680 case SAVEDATA_FLASH512:
681 *blocks = _GBAMemoryBlocksFlash512;
682 return sizeof(_GBAMemoryBlocksFlash512) / sizeof(*_GBAMemoryBlocksFlash512);
683 case SAVEDATA_FLASH1M:
684 *blocks = _GBAMemoryBlocksFlash1M;
685 return sizeof(_GBAMemoryBlocksFlash1M) / sizeof(*_GBAMemoryBlocksFlash1M);
686 case SAVEDATA_EEPROM:
687 *blocks = _GBAMemoryBlocksEEPROM;
688 return sizeof(_GBAMemoryBlocksEEPROM) / sizeof(*_GBAMemoryBlocksEEPROM);
689 default:
690 *blocks = _GBAMemoryBlocks;
691 return sizeof(_GBAMemoryBlocks) / sizeof(*_GBAMemoryBlocks);
692 }
693}
694
695void* _GBAGetMemoryBlock(struct mCore* core, size_t id, size_t* sizeOut) {
696 struct GBA* gba = core->board;
697 switch (id) {
698 default:
699 return NULL;
700 case REGION_BIOS:
701 *sizeOut = SIZE_BIOS;
702 return gba->memory.bios;
703 case REGION_WORKING_RAM:
704 *sizeOut = SIZE_WORKING_RAM;
705 return gba->memory.wram;
706 case REGION_WORKING_IRAM:
707 *sizeOut = SIZE_WORKING_IRAM;
708 return gba->memory.iwram;
709 case REGION_PALETTE_RAM:
710 *sizeOut = SIZE_PALETTE_RAM;
711 return gba->video.palette;
712 case REGION_VRAM:
713 *sizeOut = SIZE_VRAM;
714 return gba->video.vram;
715 case REGION_OAM:
716 *sizeOut = SIZE_OAM;
717 return gba->video.oam.raw;
718 case REGION_CART0:
719 case REGION_CART1:
720 case REGION_CART2:
721 *sizeOut = gba->memory.romSize;
722 return gba->memory.rom;
723 case REGION_CART_SRAM:
724 if (gba->memory.savedata.type == SAVEDATA_FLASH1M) {
725 *sizeOut = SIZE_CART_FLASH1M;
726 return gba->memory.savedata.currentBank;
727 }
728 // Fall through
729 case REGION_CART_SRAM_MIRROR:
730 *sizeOut = GBASavedataSize(&gba->memory.savedata);
731 return gba->memory.savedata.data;
732 }
733}
734
735#ifdef USE_DEBUGGERS
736static bool _GBACoreSupportsDebuggerType(struct mCore* core, enum mDebuggerType type) {
737 UNUSED(core);
738 switch (type) {
739 case DEBUGGER_CLI:
740 return true;
741#ifdef USE_GDB_STUB
742 case DEBUGGER_GDB:
743 return true;
744#endif
745 default:
746 return false;
747 }
748}
749
750static struct mDebuggerPlatform* _GBACoreDebuggerPlatform(struct mCore* core) {
751 struct GBACore* gbacore = (struct GBACore*) core;
752 if (!gbacore->debuggerPlatform) {
753 gbacore->debuggerPlatform = ARMDebuggerPlatformCreate();
754 }
755 return gbacore->debuggerPlatform;
756}
757
758static struct CLIDebuggerSystem* _GBACoreCliDebuggerSystem(struct mCore* core) {
759 return &GBACLIDebuggerCreate(core)->d;
760}
761
762static void _GBACoreAttachDebugger(struct mCore* core, struct mDebugger* debugger) {
763 if (core->debugger) {
764 GBADetachDebugger(core->board);
765 }
766 GBAAttachDebugger(core->board, debugger);
767 core->debugger = debugger;
768}
769
770static void _GBACoreDetachDebugger(struct mCore* core) {
771 GBADetachDebugger(core->board);
772 core->debugger = NULL;
773}
774
775static void _GBACoreLoadSymbols(struct mCore* core, struct VFile* vf) {
776 bool closeAfter = false;
777 core->symbolTable = mDebuggerSymbolTableCreate();
778#if !defined(MINIMAL_CORE) || MINIMAL_CORE < 2
779#ifdef USE_ELF
780 if (!vf) {
781 closeAfter = true;
782 vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".elf", O_RDONLY);
783 }
784#endif
785 if (!vf) {
786 closeAfter = true;
787 vf = mDirectorySetOpenSuffix(&core->dirs, core->dirs.base, ".sym", O_RDONLY);
788 }
789#endif
790 if (!vf) {
791 return;
792 }
793#ifdef USE_ELF
794 struct ELF* elf = ELFOpen(vf);
795 if (elf) {
796#ifdef USE_DEBUGGERS
797 mCoreLoadELFSymbols(core->symbolTable, elf);
798#endif
799 ELFClose(elf);
800 } else
801#endif
802 {
803 mDebuggerLoadARMIPSSymbols(core->symbolTable, vf);
804 }
805 if (closeAfter) {
806 vf->close(vf);
807 }
808}
809
810static bool _GBACoreLookupIdentifier(struct mCore* core, const char* name, int32_t* value, int* segment) {
811 UNUSED(core);
812 *segment = -1;
813 int i;
814 for (i = 0; i < REG_MAX; i += 2) {
815 const char* reg = GBAIORegisterNames[i >> 1];
816 if (reg && strcasecmp(reg, name) == 0) {
817 *value = BASE_IO | i;
818 return true;
819 }
820 }
821 return false;
822}
823#endif
824
825static struct mCheatDevice* _GBACoreCheatDevice(struct mCore* core) {
826 struct GBACore* gbacore = (struct GBACore*) core;
827 if (!gbacore->cheatDevice) {
828 gbacore->cheatDevice = GBACheatDeviceCreate();
829 ((struct ARMCore*) core->cpu)->components[CPU_COMPONENT_CHEAT_DEVICE] = &gbacore->cheatDevice->d;
830 ARMHotplugAttach(core->cpu, CPU_COMPONENT_CHEAT_DEVICE);
831 gbacore->cheatDevice->p = core;
832 }
833 return gbacore->cheatDevice;
834}
835
836static size_t _GBACoreSavedataClone(struct mCore* core, void** sram) {
837 struct GBA* gba = core->board;
838 size_t size = GBASavedataSize(&gba->memory.savedata);
839 if (!size) {
840 *sram = NULL;
841 return 0;
842 }
843 *sram = malloc(size);
844 struct VFile* vf = VFileFromMemory(*sram, size);
845 if (!vf) {
846 free(*sram);
847 *sram = NULL;
848 return 0;
849 }
850 bool success = GBASavedataClone(&gba->memory.savedata, vf);
851 vf->close(vf);
852 if (!success) {
853 free(*sram);
854 *sram = NULL;
855 return 0;
856 }
857 return size;
858}
859
860static bool _GBACoreSavedataRestore(struct mCore* core, const void* sram, size_t size, bool writeback) {
861 struct VFile* vf = VFileMemChunk(sram, size);
862 if (!vf) {
863 return false;
864 }
865 struct GBA* gba = core->board;
866 bool success = true;
867 if (writeback) {
868 success = GBASavedataLoad(&gba->memory.savedata, vf);
869 vf->close(vf);
870 } else {
871 GBASavedataMask(&gba->memory.savedata, vf, true);
872 }
873 return success;
874}
875
876static size_t _GBACoreListVideoLayers(const struct mCore* core, const struct mCoreChannelInfo** info) {
877 UNUSED(core);
878 if (info) {
879 *info = _GBAVideoLayers;
880 }
881 return sizeof(_GBAVideoLayers) / sizeof(*_GBAVideoLayers);
882}
883
884static size_t _GBACoreListAudioChannels(const struct mCore* core, const struct mCoreChannelInfo** info) {
885 UNUSED(core);
886 if (info) {
887 *info = _GBAAudioChannels;
888 }
889 return sizeof(_GBAAudioChannels) / sizeof(*_GBAAudioChannels);
890}
891
892static void _GBACoreEnableVideoLayer(struct mCore* core, size_t id, bool enable) {
893 struct GBA* gba = core->board;
894 switch (id) {
895 case 0:
896 case 1:
897 case 2:
898 case 3:
899 gba->video.renderer->disableBG[id] = !enable;
900 break;
901 case 4:
902 gba->video.renderer->disableOBJ = !enable;
903 break;
904 default:
905 break;
906 }
907}
908
909static void _GBACoreEnableAudioChannel(struct mCore* core, size_t id, bool enable) {
910 struct GBA* gba = core->board;
911 switch (id) {
912 case 0:
913 case 1:
914 case 2:
915 case 3:
916 gba->audio.psg.forceDisableCh[id] = !enable;
917 break;
918 case 4:
919 gba->audio.forceDisableChA = !enable;
920 break;
921 case 5:
922 gba->audio.forceDisableChB = !enable;
923 break;
924 default:
925 break;
926 }
927}
928
929static void _GBACoreAdjustVideoLayer(struct mCore* core, size_t id, int32_t x, int32_t y) {
930 struct GBACore* gbacore = (struct GBACore*) core;
931 switch (id) {
932 case 0:
933 case 1:
934 case 2:
935 case 3:
936 gbacore->renderer.bg[id].offsetX = x;
937 gbacore->renderer.bg[id].offsetY = y;
938 break;
939 case 4:
940 gbacore->renderer.objOffsetX = x;
941 gbacore->renderer.objOffsetY = y;
942 gbacore->renderer.oamDirty = 1;
943 break;
944 default:
945 return;
946 }
947 memset(gbacore->renderer.scanlineDirty, 0xFFFFFFFF, sizeof(gbacore->renderer.scanlineDirty));
948}
949
950#ifndef MINIMAL_CORE
951static void _GBACoreStartVideoLog(struct mCore* core, struct mVideoLogContext* context) {
952 struct GBACore* gbacore = (struct GBACore*) core;
953 struct GBA* gba = core->board;
954 gbacore->logContext = context;
955
956 struct GBASerializedState* state = mVideoLogContextInitialState(context, NULL);
957 state->id = 0;
958 state->cpu.gprs[ARM_PC] = BASE_WORKING_RAM;
959
960 int channelId = mVideoLoggerAddChannel(context);
961 gbacore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
962 mVideoLoggerRendererCreate(gbacore->proxyRenderer.logger, false);
963 mVideoLoggerAttachChannel(gbacore->proxyRenderer.logger, context, channelId);
964 gbacore->proxyRenderer.logger->block = false;
965
966 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, &gbacore->renderer.d);
967 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
968}
969
970static void _GBACoreEndVideoLog(struct mCore* core) {
971 struct GBACore* gbacore = (struct GBACore*) core;
972 struct GBA* gba = core->board;
973 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
974 free(gbacore->proxyRenderer.logger);
975 gbacore->proxyRenderer.logger = NULL;
976}
977#endif
978
979struct mCore* GBACoreCreate(void) {
980 struct GBACore* gbacore = malloc(sizeof(*gbacore));
981 struct mCore* core = &gbacore->d;
982 memset(&core->opts, 0, sizeof(core->opts));
983 core->cpu = NULL;
984 core->board = NULL;
985 core->debugger = NULL;
986 core->init = _GBACoreInit;
987 core->deinit = _GBACoreDeinit;
988 core->platform = _GBACorePlatform;
989 core->supportsFeature = _GBACoreSupportsFeature;
990 core->setSync = _GBACoreSetSync;
991 core->loadConfig = _GBACoreLoadConfig;
992 core->desiredVideoDimensions = _GBACoreDesiredVideoDimensions;
993 core->setVideoBuffer = _GBACoreSetVideoBuffer;
994 core->setVideoGLTex = _GBACoreSetVideoGLTex;
995 core->getPixels = _GBACoreGetPixels;
996 core->putPixels = _GBACorePutPixels;
997 core->getAudioChannel = _GBACoreGetAudioChannel;
998 core->setAudioBufferSize = _GBACoreSetAudioBufferSize;
999 core->getAudioBufferSize = _GBACoreGetAudioBufferSize;
1000 core->addCoreCallbacks = _GBACoreAddCoreCallbacks;
1001 core->clearCoreCallbacks = _GBACoreClearCoreCallbacks;
1002 core->setAVStream = _GBACoreSetAVStream;
1003 core->isROM = GBAIsROM;
1004 core->loadROM = _GBACoreLoadROM;
1005 core->loadBIOS = _GBACoreLoadBIOS;
1006 core->loadSave = _GBACoreLoadSave;
1007 core->loadTemporarySave = _GBACoreLoadTemporarySave;
1008 core->loadPatch = _GBACoreLoadPatch;
1009 core->unloadROM = _GBACoreUnloadROM;
1010 core->checksum = _GBACoreChecksum;
1011 core->reset = _GBACoreReset;
1012 core->runFrame = _GBACoreRunFrame;
1013 core->runLoop = _GBACoreRunLoop;
1014 core->step = _GBACoreStep;
1015 core->stateSize = _GBACoreStateSize;
1016 core->loadState = _GBACoreLoadState;
1017 core->saveState = _GBACoreSaveState;
1018 core->setKeys = _GBACoreSetKeys;
1019 core->addKeys = _GBACoreAddKeys;
1020 core->clearKeys = _GBACoreClearKeys;
1021 core->frameCounter = _GBACoreFrameCounter;
1022 core->frameCycles = _GBACoreFrameCycles;
1023 core->frequency = _GBACoreFrequency;
1024 core->getGameTitle = _GBACoreGetGameTitle;
1025 core->getGameCode = _GBACoreGetGameCode;
1026 core->setPeripheral = _GBACoreSetPeripheral;
1027 core->busRead8 = _GBACoreBusRead8;
1028 core->busRead16 = _GBACoreBusRead16;
1029 core->busRead32 = _GBACoreBusRead32;
1030 core->busWrite8 = _GBACoreBusWrite8;
1031 core->busWrite16 = _GBACoreBusWrite16;
1032 core->busWrite32 = _GBACoreBusWrite32;
1033 core->rawRead8 = _GBACoreRawRead8;
1034 core->rawRead16 = _GBACoreRawRead16;
1035 core->rawRead32 = _GBACoreRawRead32;
1036 core->rawWrite8 = _GBACoreRawWrite8;
1037 core->rawWrite16 = _GBACoreRawWrite16;
1038 core->rawWrite32 = _GBACoreRawWrite32;
1039 core->listMemoryBlocks = _GBAListMemoryBlocks;
1040 core->getMemoryBlock = _GBAGetMemoryBlock;
1041#ifdef USE_DEBUGGERS
1042 core->supportsDebuggerType = _GBACoreSupportsDebuggerType;
1043 core->debuggerPlatform = _GBACoreDebuggerPlatform;
1044 core->cliDebuggerSystem = _GBACoreCliDebuggerSystem;
1045 core->attachDebugger = _GBACoreAttachDebugger;
1046 core->detachDebugger = _GBACoreDetachDebugger;
1047 core->loadSymbols = _GBACoreLoadSymbols;
1048 core->lookupIdentifier = _GBACoreLookupIdentifier;
1049#endif
1050 core->cheatDevice = _GBACoreCheatDevice;
1051 core->savedataClone = _GBACoreSavedataClone;
1052 core->savedataRestore = _GBACoreSavedataRestore;
1053 core->listVideoLayers = _GBACoreListVideoLayers;
1054 core->listAudioChannels = _GBACoreListAudioChannels;
1055 core->enableVideoLayer = _GBACoreEnableVideoLayer;
1056 core->enableAudioChannel = _GBACoreEnableAudioChannel;
1057 core->adjustVideoLayer = _GBACoreAdjustVideoLayer;
1058#ifndef MINIMAL_CORE
1059 core->startVideoLog = _GBACoreStartVideoLog;
1060 core->endVideoLog = _GBACoreEndVideoLog;
1061#endif
1062 return core;
1063}
1064
1065#ifndef MINIMAL_CORE
1066static void _GBAVLPStartFrameCallback(void *context) {
1067 struct mCore* core = context;
1068 struct GBACore* gbacore = (struct GBACore*) core;
1069 struct GBA* gba = core->board;
1070
1071 if (!mVideoLoggerRendererRun(gbacore->proxyRenderer.logger, true)) {
1072 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
1073 mVideoLogContextRewind(gbacore->logContext, core);
1074 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
1075 }
1076}
1077
1078static bool _GBAVLPInit(struct mCore* core) {
1079 struct GBACore* gbacore = (struct GBACore*) core;
1080 if (!_GBACoreInit(core)) {
1081 return false;
1082 }
1083 gbacore->proxyRenderer.logger = malloc(sizeof(struct mVideoLogger));
1084 mVideoLoggerRendererCreate(gbacore->proxyRenderer.logger, true);
1085 GBAVideoProxyRendererCreate(&gbacore->proxyRenderer, NULL);
1086 memset(&gbacore->logCallbacks, 0, sizeof(gbacore->logCallbacks));
1087 gbacore->logCallbacks.videoFrameStarted = _GBAVLPStartFrameCallback;
1088 gbacore->logCallbacks.context = core;
1089 core->addCoreCallbacks(core, &gbacore->logCallbacks);
1090 return true;
1091}
1092
1093static void _GBAVLPDeinit(struct mCore* core) {
1094 struct GBACore* gbacore = (struct GBACore*) core;
1095 if (gbacore->logContext) {
1096 mVideoLogContextDestroy(core, gbacore->logContext);
1097 }
1098 _GBACoreDeinit(core);
1099}
1100
1101static void _GBAVLPReset(struct mCore* core) {
1102 struct GBACore* gbacore = (struct GBACore*) core;
1103 struct GBA* gba = (struct GBA*) core->board;
1104 if (gba->video.renderer == &gbacore->proxyRenderer.d) {
1105 GBAVideoProxyRendererUnshim(&gba->video, &gbacore->proxyRenderer);
1106 } else if (gbacore->renderer.outputBuffer) {
1107 struct GBAVideoRenderer* renderer = &gbacore->renderer.d;
1108 GBAVideoAssociateRenderer(&gba->video, renderer);
1109 }
1110
1111 ARMReset(core->cpu);
1112 mVideoLogContextRewind(gbacore->logContext, core);
1113 GBAVideoProxyRendererShim(&gba->video, &gbacore->proxyRenderer);
1114
1115 // Make sure CPU loop never spins
1116 GBAHalt(gba);
1117 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1118 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1119}
1120
1121static bool _GBAVLPLoadROM(struct mCore* core, struct VFile* vf) {
1122 struct GBACore* gbacore = (struct GBACore*) core;
1123 gbacore->logContext = mVideoLogContextCreate(NULL);
1124 if (!mVideoLogContextLoad(gbacore->logContext, vf)) {
1125 mVideoLogContextDestroy(core, gbacore->logContext);
1126 gbacore->logContext = NULL;
1127 return false;
1128 }
1129 mVideoLoggerAttachChannel(gbacore->proxyRenderer.logger, gbacore->logContext, 0);
1130 return true;
1131}
1132
1133static bool _GBAVLPLoadState(struct mCore* core, const void* state) {
1134 struct GBA* gba = (struct GBA*) core->board;
1135
1136 gba->timing.root = NULL;
1137 gba->cpu->gprs[ARM_PC] = BASE_WORKING_RAM;
1138 gba->cpu->memory.setActiveRegion(gba->cpu, gba->cpu->gprs[ARM_PC]);
1139
1140 // Make sure CPU loop never spins
1141 GBAHalt(gba);
1142 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IME, 0, NULL);
1143 gba->cpu->memory.store16(gba->cpu, BASE_IO | REG_IE, 0, NULL);
1144 GBAVideoDeserialize(&gba->video, state);
1145 GBAIODeserialize(gba, state);
1146 GBAAudioReset(&gba->audio);
1147
1148 return true;
1149}
1150
1151static bool _returnTrue(struct VFile* vf) {
1152 UNUSED(vf);
1153 return true;
1154}
1155
1156struct mCore* GBAVideoLogPlayerCreate(void) {
1157 struct mCore* core = GBACoreCreate();
1158 core->init = _GBAVLPInit;
1159 core->deinit = _GBAVLPDeinit;
1160 core->reset = _GBAVLPReset;
1161 core->loadROM = _GBAVLPLoadROM;
1162 core->loadState = _GBAVLPLoadState;
1163 core->isROM = _returnTrue;
1164 return core;
1165}
1166#else
1167struct mCore* GBAVideoLogPlayerCreate(void) {
1168 return false;
1169}
1170#endif