Beispiel #1
0
void Memory::loadState(SaveState const &state) {
	psg_.loadState(state);
	lcd_.loadState(state, state.mem.oamDmaPos < 0xA0 ? cart_.rdisabledRam() : ioamhram_);
	tima_.loadState(state, TimaInterruptRequester(intreq_));
	cart_.loadState(state);
	intreq_.loadState(state);

	divLastUpdate_ = state.mem.divLastUpdate;
	intreq_.setEventTime<intevent_serial>(state.mem.nextSerialtime > state.cpu.cycleCounter
		? state.mem.nextSerialtime
		: state.cpu.cycleCounter);
	intreq_.setEventTime<intevent_unhalt>(state.mem.unhaltTime);
	lastOamDmaUpdate_ = state.mem.lastOamDmaUpdate;
	dmaSource_ = state.mem.dmaSource;
	dmaDestination_ = state.mem.dmaDestination;
	oamDmaPos_ = state.mem.oamDmaPos;
	serialCnt_ = intreq_.eventTime(intevent_serial) != disabled_time
	           ? serialCntFrom(intreq_.eventTime(intevent_serial) - state.cpu.cycleCounter,
	                           ioamhram_[0x102] & isCgb() * 2)
	           : 8;

	cart_.setVrambank(ioamhram_[0x14F] & isCgb());
	cart_.setOamDmaSrc(oam_dma_src_off);
	cart_.setWrambank(isCgb() && (ioamhram_[0x170] & 0x07) ? ioamhram_[0x170] & 0x07 : 1);

	if (lastOamDmaUpdate_ != disabled_time) {
		oamDmaInitSetup();

		unsigned oamEventPos = oamDmaPos_ < 0xA0 ? 0xA0 : 0x100;
		intreq_.setEventTime<intevent_oam>(
			lastOamDmaUpdate_ + (oamEventPos - oamDmaPos_) * 4);
	}

	intreq_.setEventTime<intevent_blit>(ioamhram_[0x140] & lcdc_en
	                                 ? lcd_.nextMode1IrqTime()
	                                 : state.cpu.cycleCounter);
	blanklcd_ = false;

	if (!isCgb())
		std::memset(cart_.vramdata() + 0x2000, 0, 0x2000);
}
Beispiel #2
0
void Memory::loadState(const SaveState &state) {
	biosMode = state.mem.biosMode;
	cgbSwitching = state.mem.cgbSwitching;
	agbMode = state.mem.agbMode;
	gbIsCgb_ = state.mem.gbIsCgb;
	sound.loadState(state);
	display.loadState(state, state.mem.oamDmaPos < 0xA0 ? cart.rdisabledRam() : ioamhram);
	tima.loadState(state, TimaInterruptRequester(intreq));
	cart.loadState(state);
	intreq.loadState(state);

	divLastUpdate = state.mem.divLastUpdate;
	intreq.setEventTime<SERIAL>(state.mem.nextSerialtime > state.cpu.cycleCounter ? state.mem.nextSerialtime : state.cpu.cycleCounter);
	intreq.setEventTime<UNHALT>(state.mem.unhaltTime);
	lastOamDmaUpdate = state.mem.lastOamDmaUpdate;
	dmaSource = state.mem.dmaSource;
	dmaDestination = state.mem.dmaDestination;
	oamDmaPos = state.mem.oamDmaPos;
	serialCnt = intreq.eventTime(SERIAL) != DISABLED_TIME
			? serialCntFrom(intreq.eventTime(SERIAL) - state.cpu.cycleCounter, ioamhram[0x102] & isCgb() * 2)
			: 8;

	cart.setVrambank(ioamhram[0x14F] & isCgb());
	cart.setOamDmaSrc(OAM_DMA_SRC_OFF);
	cart.setWrambank(isCgb() && (ioamhram[0x170] & 0x07) ? ioamhram[0x170] & 0x07 : 1);

	if (lastOamDmaUpdate != DISABLED_TIME) {
		oamDmaInitSetup();

		const unsigned oamEventPos = oamDmaPos < 0xA0 ? 0xA0 : 0x100;

		intreq.setEventTime<OAM>(lastOamDmaUpdate + (oamEventPos - oamDmaPos) * 4);
	}

	intreq.setEventTime<BLIT>((ioamhram[0x140] & 0x80) ? display.nextMode1IrqTime() : state.cpu.cycleCounter);
	blanklcd = false;
	
	if (!isCgb())
		std::memset(cart.vramdata() + 0x2000, 0, 0x2000);
}