mirror of https://github.com/bsnes-emu/bsnes.git
298 lines
10 KiB
C++
298 lines
10 KiB
C++
auto Program::load() -> void {
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unload();
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for(auto& media : emulator->media) {
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if(media.type != "sfc") continue;
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Emulator::audio.reset(2, audio->frequency());
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if(emulator->load(media.id)) {
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gameQueue = {};
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if(!verified() && settingsWindow->advanced.warnOnUnverifiedGames.checked()) {
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//todo: MessageDialog crashes with GTK+; unsure the reason why this happens
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//once MessageDialog functions, add an "Always" option
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if(MessageWindow(
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"Warning: this game image is unverified. Running it *may* be a security risk.\n\n"
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"Do you wish to run the game anyway?"
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).setParent(*presentation).question() == MessageWindow::Response::No) {
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emulator->unload();
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return showMessage("Game loading cancelled");
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}
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}
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updateInputDevices();
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hackCompatibility();
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emulator->power();
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if(settingsWindow->advanced.autoLoadStateOnLoad.checked()) {
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program->loadState("quick/recovery");
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}
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showMessage(!appliedPatch() ? "Game loaded" : "Game loaded and patch applied");
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presentation->setTitle(emulator->title());
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presentation->resetSystem.setEnabled(true);
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presentation->unloadGame.setEnabled(true);
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presentation->toolsMenu.setVisible(true);
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presentation->speedNormal.setChecked();
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presentation->pauseEmulation.setChecked(false);
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presentation->updateStatusIcon();
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presentation->resizeViewport();
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toolsWindow->cheatEditor.loadCheats();
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toolsWindow->stateManager.loadStates();
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string locations = superFamicom.location;
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if(auto location = gameBoy.location) locations.append("|", location);
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if(auto location = bsMemory.location) locations.append("|", location);
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if(auto location = sufamiTurboA.location) locations.append("|", location);
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if(auto location = sufamiTurboB.location) locations.append("|", location);
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presentation->addRecentGame(locations);
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updateVideoPalette();
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updateAudioEffects();
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updateAudioFrequency();
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}
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break;
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}
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}
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auto Program::loadFile(string location) -> vector<uint8_t> {
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if(Location::suffix(location) == ".zip") {
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Decode::ZIP archive;
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if(archive.open(location)) {
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for(auto& file : archive.file) {
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auto type = Location::suffix(file.name);
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if(type == ".sfc" || type == ".smc" || type == ".gb" || type == ".gbc" || type == ".bs" || type == ".st") {
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return archive.extract(file);
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}
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}
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}
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} else {
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return file::read(location);
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}
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}
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auto Program::loadSuperFamicom(string location) -> void {
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string manifest;
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vector<uint8_t> rom;
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if(location.endsWith("/")) {
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manifest = file::read({location, "manifest.bml"});
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rom.append(file::read({location, "program.rom"}));
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rom.append(file::read({location, "data.rom"}));
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rom.append(file::read({location, "expansion.rom"}));
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for(auto filename : directory::files(location, "*.boot.rom" )) rom.append(file::read({location, filename}));
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for(auto filename : directory::files(location, "*.program.rom")) rom.append(file::read({location, filename}));
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for(auto filename : directory::files(location, "*.data.rom" )) rom.append(file::read({location, filename}));
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} else {
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manifest = file::read({Location::notsuffix(location), ".bml"});
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rom = loadFile(location);
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}
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//assume ROM and IPS agree on whether a copier header is present
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superFamicom.patched = applyPatchIPS(rom, location);
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if((rom.size() & 0x7fff) == 512) {
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//remove copier header
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memory::move(&rom[0], &rom[512], rom.size() - 512);
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rom.resize(rom.size() - 512);
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}
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//assume BPS is made against a ROM without a copier header
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if(!superFamicom.patched) superFamicom.patched = applyPatchBPS(rom, location);
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auto heuristics = Heuristics::SuperFamicom(rom, location);
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auto sha256 = Hash::SHA256(rom).digest();
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if(auto document = BML::unserialize(string::read(locate("database/Super Famicom.bml")))) {
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if(auto game = document[{"game(sha256=", sha256, ")"}]) {
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manifest = BML::serialize(game);
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superFamicom.verified = true;
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}
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}
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superFamicom.label = heuristics.label();
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superFamicom.manifest = manifest ? manifest : heuristics.manifest();
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hackPatchMemory(rom);
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hackOverclockSuperFX();
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superFamicom.document = BML::unserialize(superFamicom.manifest);
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superFamicom.location = location;
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uint offset = 0;
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if(auto size = heuristics.programRomSize()) {
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superFamicom.program.resize(size);
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memory::copy(&superFamicom.program[0], &rom[offset], size);
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offset += size;
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}
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if(auto size = heuristics.dataRomSize()) {
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superFamicom.data.resize(size);
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memory::copy(&superFamicom.data[0], &rom[offset], size);
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offset += size;
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}
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if(auto size = heuristics.expansionRomSize()) {
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superFamicom.expansion.resize(size);
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memory::copy(&superFamicom.expansion[0], &rom[offset], size);
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offset += size;
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}
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if(auto size = heuristics.firmwareRomSize()) {
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superFamicom.firmware.resize(size);
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memory::copy(&superFamicom.firmware[0], &rom[offset], size);
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offset += size;
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}
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}
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auto Program::loadGameBoy(string location) -> void {
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string manifest;
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vector<uint8_t> rom;
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if(location.endsWith("/")) {
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manifest = file::read({location, "manifest.bml"});
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rom.append(file::read({location, "program.rom"}));
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} else {
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manifest = file::read({Location::notsuffix(location), ".bml"});
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rom = loadFile(location);
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}
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gameBoy.patched = applyPatchIPS(rom, location) || applyPatchBPS(rom, location);
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auto heuristics = Heuristics::GameBoy(rom, location);
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auto sha256 = Hash::SHA256(rom).digest();
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if(auto document = BML::unserialize(string::read(locate("database/Game Boy.bml")))) {
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if(auto game = document[{"game(sha256=", sha256, ")"}]) {
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manifest = BML::serialize(game);
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gameBoy.verified = true;
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}
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}
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if(auto document = BML::unserialize(string::read(locate("database/Game Boy Color.bml")))) {
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if(auto game = document[{"game(sha256=", sha256, ")"}]) {
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manifest = BML::serialize(game);
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gameBoy.verified = true;
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}
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}
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gameBoy.manifest = manifest ? manifest : heuristics.manifest();
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gameBoy.document = BML::unserialize(gameBoy.manifest);
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gameBoy.location = location;
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gameBoy.program = rom;
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}
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auto Program::loadBSMemory(string location) -> void {
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string manifest;
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vector<uint8_t> rom;
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if(location.endsWith("/")) {
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manifest = file::read({location, "manifest.bml"});
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rom.append(file::read({location, "program.rom"}));
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rom.append(file::read({location, "program.flash"}));
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} else {
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manifest = file::read({Location::notsuffix(location), ".bml"});
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rom = loadFile(location);
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}
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bsMemory.patched = applyPatchIPS(rom, location) || applyPatchBPS(rom, location);
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auto heuristics = Heuristics::BSMemory(rom, location);
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auto sha256 = Hash::SHA256(rom).digest();
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if(auto document = BML::unserialize(string::read(locate("database/BS Memory.bml")))) {
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if(auto game = document[{"game(sha256=", sha256, ")"}]) {
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manifest = BML::serialize(game);
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bsMemory.verified = true;
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}
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}
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bsMemory.manifest = manifest ? manifest : heuristics.manifest();
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bsMemory.document = BML::unserialize(bsMemory.manifest);
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bsMemory.location = location;
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bsMemory.program = rom;
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}
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auto Program::loadSufamiTurboA(string location) -> void {
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string manifest;
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vector<uint8_t> rom;
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if(location.endsWith("/")) {
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manifest = file::read({location, "manifest.bml"});
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rom.append(file::read({location, "program.rom"}));
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} else {
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manifest = file::read({Location::notsuffix(location), ".bml"});
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rom = loadFile(location);
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}
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sufamiTurboA.patched = applyPatchIPS(rom, location) || applyPatchBPS(rom, location);
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auto heuristics = Heuristics::SufamiTurbo(rom, location);
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auto sha256 = Hash::SHA256(rom).digest();
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if(auto document = BML::unserialize(string::read(locate("database/Sufami Turbo.bml")))) {
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if(auto game = document[{"game(sha256=", sha256, ")"}]) {
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manifest = BML::serialize(game);
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sufamiTurboA.verified = true;
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}
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}
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sufamiTurboA.manifest = manifest ? manifest : heuristics.manifest();
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sufamiTurboA.document = BML::unserialize(sufamiTurboA.manifest);
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sufamiTurboA.location = location;
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sufamiTurboA.program = rom;
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}
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auto Program::loadSufamiTurboB(string location) -> void {
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string manifest;
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vector<uint8_t> rom;
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if(location.endsWith("/")) {
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manifest = file::read({location, "manifest.bml"});
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rom.append(file::read({location, "program.rom"}));
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} else {
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manifest = file::read({Location::notsuffix(location), ".bml"});
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rom = loadFile(location);
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}
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sufamiTurboB.patched = applyPatchIPS(rom, location) || applyPatchBPS(rom, location);
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auto heuristics = Heuristics::SufamiTurbo(rom, location);
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auto sha256 = Hash::SHA256(rom).digest();
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if(auto document = BML::unserialize(string::read(locate("database/Sufami Turbo.bml")))) {
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if(auto game = document[{"game(sha256=", sha256, ")"}]) {
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manifest = BML::serialize(game);
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sufamiTurboB.verified = true;
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}
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}
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sufamiTurboB.manifest = manifest ? manifest : heuristics.manifest();
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sufamiTurboB.document = BML::unserialize(sufamiTurboB.manifest);
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sufamiTurboB.location = location;
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sufamiTurboB.program = rom;
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}
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auto Program::save() -> void {
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if(!emulator->loaded()) return;
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emulator->save();
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}
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auto Program::reset() -> void {
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if(!emulator->loaded()) return;
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hackCompatibility();
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emulator->reset();
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showMessage("Game reset");
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}
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auto Program::unload() -> void {
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if(!emulator->loaded()) return;
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toolsWindow->cheatEditor.saveCheats();
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toolsWindow->setVisible(false);
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if(settingsWindow->advanced.autoSaveStateOnUnload.checked()) {
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saveRecoveryState();
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}
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emulator->unload();
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showMessage("Game unloaded");
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superFamicom = {};
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gameBoy = {};
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bsMemory = {};
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sufamiTurboA = {};
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sufamiTurboB = {};
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presentation->setTitle({"bsnes v", Emulator::Version});
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presentation->resetSystem.setEnabled(false);
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presentation->unloadGame.setEnabled(false);
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presentation->toolsMenu.setVisible(false);
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presentation->updateStatusIcon();
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presentation->clearViewport();
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}
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//a game is considered verified if the game plus its slot(s) are found in the games database
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auto Program::verified() const -> bool {
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if(!emulator->loaded()) return false;
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if(superFamicom && !superFamicom.verified) return false;
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if(gameBoy && !gameBoy.verified) return false;
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if(bsMemory && !bsMemory.verified) return false;
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if(sufamiTurboA && !sufamiTurboA.verified) return false;
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if(sufamiTurboB && !sufamiTurboB.verified) return false;
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return true;
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}
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