149 行
5.0 KiB
C++
149 行
5.0 KiB
C++
struct MegaCD : Emulator {
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MegaCD();
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auto load() -> bool override;
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auto load(Menu) -> void override;
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auto unload() -> void override;
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auto save() -> bool override;
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auto pak(ares::Node::Object) -> shared_pointer<vfs::directory> override;
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u32 regionID = 0;
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sTimer discTrayTimer;
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};
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MegaCD::MegaCD() {
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manufacturer = "Sega";
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name = "Mega CD";
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firmware.append({"BIOS", "US", "fb477cdbf94c84424c2feca4fe40656d85393fe7b7b401911b45ad2eb991258c"}); //NTSC-U
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firmware.append({"BIOS", "Japan", "7133fc2dd2fe5b7d0acd53a5f10f3d00b5d31270239ad20d74ef32393e24af88"}); //NTSC-J
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firmware.append({"BIOS", "Europe", "fe608a2a07676a23ab5fd5eee2f53c9e2526d69a28aa16ccd85c0ec42e6933cb"}); //PAL
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for(auto id : range(2)) {
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InputPort port{string{"Controller Port ", 1 + id}};
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{ InputDevice device{"Control Pad"};
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device.digital("Up", virtualPorts[id].pad.up);
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device.digital("Down", virtualPorts[id].pad.down);
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device.digital("Left", virtualPorts[id].pad.left);
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device.digital("Right", virtualPorts[id].pad.right);
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device.digital("A", virtualPorts[id].pad.west);
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device.digital("B", virtualPorts[id].pad.south);
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device.digital("C", virtualPorts[id].pad.east);
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device.digital("Start", virtualPorts[id].pad.start);
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port.append(device); }
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{ InputDevice device{"Fighting Pad"};
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device.digital("Up", virtualPorts[id].pad.up);
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device.digital("Down", virtualPorts[id].pad.down);
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device.digital("Left", virtualPorts[id].pad.left);
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device.digital("Right", virtualPorts[id].pad.right);
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device.digital("A", virtualPorts[id].pad.west);
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device.digital("B", virtualPorts[id].pad.south);
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device.digital("C", virtualPorts[id].pad.east);
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device.digital("X", virtualPorts[id].pad.l_bumper);
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device.digital("Y", virtualPorts[id].pad.north);
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device.digital("Z", virtualPorts[id].pad.r_bumper);
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device.digital("Mode", virtualPorts[id].pad.select);
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device.digital("Start", virtualPorts[id].pad.start);
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port.append(device); }
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{ InputDevice device{"Mega Mouse"};
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device.relative("X", virtualPorts[id].mouse.x);
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device.relative("Y", virtualPorts[id].mouse.y);
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device.digital ("Left", virtualPorts[id].mouse.left);
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device.digital ("Right", virtualPorts[id].mouse.right);
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device.digital ("Middle", virtualPorts[id].mouse.middle);
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device.digital ("Start", virtualPorts[id].mouse.extra);
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port.append(device); }
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ports.append(port);
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}
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}
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auto MegaCD::load() -> bool {
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game = mia::Medium::create("Mega CD");
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if(!game->load(Emulator::load(game, configuration.game))) return false;
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auto region = Emulator::region();
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//if statements below are ordered by lowest to highest priority
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if(region == "PAL" ) regionID = 2;
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if(region == "NTSC-J") regionID = 1;
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if(region == "NTSC-U") regionID = 0;
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system = mia::System::create("Mega CD");
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if(!system->load(firmware[regionID].location)) return errorFirmware(firmware[regionID]), false;
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if(!ares::MegaDrive::load(root, {"[Sega] Mega CD (", region, ")"})) return false;
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if(auto port = root->find<ares::Node::Port>("Cartridge Slot")) {
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port->allocate();
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port->connect();
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}
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if(auto port = root->find<ares::Node::Port>("Mega CD/Disc Tray")) {
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port->allocate();
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port->connect();
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}
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if(auto port = root->find<ares::Node::Port>("Controller Port 1")) {
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port->allocate("Control Pad");
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port->connect();
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}
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if(auto port = root->find<ares::Node::Port>("Controller Port 2")) {
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if(game->pak->attribute("serial").beginsWith("GM T-162055")) {
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// CORPSE KILLER (U) -- GM T-162055-00
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// CORPSE KILLER (E) -- GM T-162055-50
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// Gamepad in controller port 2 breaks input polling, so leave it disconnected.
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// No supported lightgun devices are currently emulated (Sega Menacer, ALG GameGun).
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} else {
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port->allocate("Control Pad");
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port->connect();
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}
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}
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discTrayTimer = Timer{};
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return true;
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}
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auto MegaCD::load(Menu menu) -> void {
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MenuItem changeDisc{&menu};
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changeDisc.setIcon(Icon::Device::Optical);
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changeDisc.setText("Change Disc").onActivate([&] {
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save();
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auto tray = root->find<ares::Node::Port>("Mega CD/Disc Tray");
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tray->disconnect();
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if(!game->load(Emulator::load(game, configuration.game))) {
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return;
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}
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//give the emulator core a few seconds to notice an empty drive state before reconnecting
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discTrayTimer->onActivate([&] {
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discTrayTimer->setEnabled(false);
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auto tray = root->find<ares::Node::Port>("Mega CD/Disc Tray");
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tray->allocate();
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tray->connect();
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}).setInterval(3000).setEnabled();
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});
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}
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auto MegaCD::unload() -> void {
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Emulator::unload();
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discTrayTimer.reset();
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}
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auto MegaCD::save() -> bool {
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root->save();
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system->save(game->location);
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game->save(game->location);
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return true;
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}
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auto MegaCD::pak(ares::Node::Object node) -> shared_pointer<vfs::directory> {
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if(node->name() == "Mega Drive") return system->pak;
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if(node->name() == "Mega CD Disc") return game->pak;
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return {};
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}
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