bsnes/higan/sfc/coprocessor/icd2/icd2.cpp

109 lines
2.0 KiB
C++

#include <sfc/sfc.hpp>
namespace SuperFamicom {
ICD2 icd2;
#if defined(SFC_SUPERGAMEBOY)
#include "platform.cpp"
#include "interface.cpp"
#include "io.cpp"
#include "serialization.cpp"
auto ICD2::Enter() -> void {
while(true) {
if(scheduler.synchronizing()) GameBoy::system.runToSave();
scheduler.synchronize();
icd2.main();
}
}
auto ICD2::main() -> void {
if(r6003 & 0x80) {
GameBoy::system.run();
step(GameBoy::system._clocksExecuted);
GameBoy::system._clocksExecuted = 0;
} else { //DMG halted
stream->sample(0.0, 0.0);
step(2); //two clocks per audio sample
}
synchronize(cpu);
}
auto ICD2::init() -> void {
}
auto ICD2::load() -> bool {
GameBoy::superGameBoy = this;
GameBoy::system.load(&gameBoyInterface, GameBoy::System::Model::SuperGameBoy, cartridge.pathID());
return cartridge.loadGameBoy();
}
auto ICD2::unload() -> void {
GameBoy::system.save();
GameBoy::system.unload();
}
auto ICD2::power() -> void {
create(ICD2::Enter, system.colorburst() * 6.0 / 5.0);
stream = Emulator::audio.createStream(2, frequency() / 2.0);
stream->addLowPassFilter(20000.0, 3);
stream->addHighPassFilter(20.0, 3);
r6003 = 0x00;
r6004 = 0xff;
r6005 = 0xff;
r6006 = 0xff;
r6007 = 0xff;
for(auto& r : r7000) r = 0x00;
mltReq = 0;
for(auto& n : output) n = 0xff;
readBank = 0;
readAddress = 0;
writeBank = 0;
writeAddress = 0;
packetSize = 0;
joypID = 3;
joyp15Lock = 0;
joyp14Lock = 0;
pulseLock = true;
GameBoy::system.init();
GameBoy::system.power();
}
auto ICD2::reset() -> void {
auto frequency = system.colorburst() * 6.0;
create(ICD2::Enter, frequency / 5);
r6003 = 0x00;
r6004 = 0xff;
r6005 = 0xff;
r6006 = 0xff;
r6007 = 0xff;
for(auto& r : r7000) r = 0x00;
mltReq = 0;
for(auto& n : output) n = 0xff;
readBank = 0;
readAddress = 0;
writeBank = 0;
writeAddress = 0;
packetSize = 0;
joypID = 3;
joyp15Lock = 0;
joyp14Lock = 0;
pulseLock = true;
GameBoy::system.init();
GameBoy::system.power();
}
#endif
}