bsnes/sfc/system/system.hpp

82 lines
1.7 KiB
C++

struct Interface;
struct System : property<System> {
enum class Region : unsigned { NTSC = 0, PAL = 1, Autodetect = 2 };
enum class ExpansionPortDevice : unsigned { None = 0, Satellaview = 1 };
void run();
void runtosave();
void init();
void term();
void load();
void unload();
void power();
void reset();
void frame();
void scanline();
//return *active* system information (settings are cached upon power-on)
readonly<Region> region;
readonly<ExpansionPortDevice> expansion;
readonly<unsigned> cpu_frequency;
readonly<unsigned> apu_frequency;
readonly<unsigned> serialize_size;
serializer serialize();
bool unserialize(serializer&);
System();
private:
void runthreadtosave();
void serialize(serializer&);
void serialize_all(serializer&);
void serialize_init();
friend class Cartridge;
friend class Video;
friend class Audio;
friend class Input;
};
extern System system;
#include "video.hpp"
#include "audio.hpp"
#include "input.hpp"
#include <sfc/scheduler/scheduler.hpp>
struct Configuration {
Input::Device controller_port1 = Input::Device::Joypad;
Input::Device controller_port2 = Input::Device::Joypad;
System::ExpansionPortDevice expansion_port = System::ExpansionPortDevice::Satellaview;
System::Region region = System::Region::Autodetect;
bool random = true;
};
extern Configuration configuration;
struct Random {
void seed(unsigned seed) {
iter = seed;
}
unsigned operator()(unsigned result) {
if(configuration.random == false) return result;
return iter = (iter >> 1) ^ (((iter & 1) - 1) & 0xedb88320);
}
void serialize(serializer& s) {
s.integer(iter);
}
private:
unsigned iter = 0;
};
extern Random random;