bsnes/higan/ws/system/system.cpp

134 lines
3.3 KiB
C++

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