mirror of https://github.com/bsnes-emu/bsnes.git
136 lines
3.3 KiB
C++
136 lines
3.3 KiB
C++
#include <ws/ws.hpp>
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namespace WonderSwan {
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System system;
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Scheduler scheduler;
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Cheat cheat;
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#include "io.cpp"
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#include "video.cpp"
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#include "serialization.cpp"
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auto System::init() -> void {
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assert(interface != nullptr);
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}
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auto System::term() -> void {
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}
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auto System::load(Emulator::Interface* interface, Model model) -> bool {
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_model = model;
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if(auto fp = platform->open(ID::System, "manifest.bml", File::Read, File::Required)) {
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information.manifest = fp->reads();
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} else return false;
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auto document = BML::unserialize(information.manifest);
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//note: IPLROM is currently undumped; otherwise we'd load it here ...
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if(auto node = document["system/eeprom"]) {
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eeprom.setName(node["name"].text());
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eeprom.setSize(node["size"].natural() / sizeof(uint16));
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eeprom.erase();
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//initialize user-data section
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for(uint addr = 0x0030; addr <= 0x003a; addr++) eeprom[addr] = 0x0000;
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if(auto fp = platform->open(ID::System, eeprom.name(), File::Read)) {
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fp->read(eeprom.data(), eeprom.size());
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}
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}
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if(!cartridge.load()) return false;
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serializeInit();
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_orientation = cartridge.information.orientation;
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this->interface = interface;
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return _loaded = true;
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}
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auto System::save() -> void {
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if(!loaded()) return;
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cartridge.save();
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}
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auto System::unload() -> void {
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if(!loaded()) return;
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eeprom.setName("");
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eeprom.setSize(0);
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cartridge.unload();
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_loaded = false;
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}
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auto System::power() -> void {
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Emulator::video.reset();
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Emulator::video.setInterface(interface);
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configureVideoPalette();
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configureVideoEffects();
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Emulator::audio.reset();
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Emulator::audio.setInterface(interface);
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scheduler.reset();
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bus.power();
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iram.power();
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eeprom.power();
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cpu.power();
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ppu.power();
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apu.power();
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cartridge.power();
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scheduler.primary(cpu);
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bus.map(this, 0x0060);
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bus.map(this, 0x00ba, 0x00be);
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r.unknown = 0;
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r.format = 0;
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r.depth = 0;
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r.color = 0;
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}
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auto System::run() -> void {
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if(scheduler.enter() == Scheduler::Event::Frame) ppu.refresh();
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pollKeypad();
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}
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auto System::runToSave() -> void {
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scheduler.synchronize(cpu);
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scheduler.synchronize(ppu);
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scheduler.synchronize(apu);
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scheduler.synchronize(cartridge);
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}
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auto System::pollKeypad() -> void {
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uint port = !_orientation ? ID::Port::HardwareHorizontal : ID::Port::HardwareVertical;
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uint device = ID::Device::Controls;
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bool rotate = keypad.rotate;
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keypad.y1 = platform->inputPoll(port, device, 0);
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keypad.y2 = platform->inputPoll(port, device, 1);
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keypad.y3 = platform->inputPoll(port, device, 2);
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keypad.y4 = platform->inputPoll(port, device, 3);
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keypad.x1 = platform->inputPoll(port, device, 4);
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keypad.x2 = platform->inputPoll(port, device, 5);
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keypad.x3 = platform->inputPoll(port, device, 6);
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keypad.x4 = platform->inputPoll(port, device, 7);
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keypad.b = platform->inputPoll(port, device, 8);
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keypad.a = platform->inputPoll(port, device, 9);
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keypad.start = platform->inputPoll(port, device, 10);
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keypad.rotate = platform->inputPoll(port, device, 11);
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if(keypad.y1 || keypad.y2 || keypad.y3 || keypad.y4
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|| keypad.x1 || keypad.x2 || keypad.x3 || keypad.x4
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|| keypad.b || keypad.a || keypad.start
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) {
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cpu.raise(CPU::Interrupt::Input);
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}
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if(!rotate && keypad.rotate) {
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_orientation = !_orientation;
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}
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}
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}
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