Function PowerNES

src/fceu.cpp:1008–1068

}

void PowerNES(void) {
	FCEUMOV_AddCommand(FCEUNPCMD_POWER);
	if (!GameInfo) return;

	//reseed random, unless we're in a movie
	extern int disableBatteryLoading;
	if(FCEUMOV_Mode(MOVIEMODE_INACTIVE) && !disableBatteryLoading)
	{
		RAMInitSeed = rand() ^ (u32)xoroshiro128plus_next();
	}

	//always reseed the PRNG with the current seed, for deterministic results (for that seed)
	xoroshiro128plus_seed(RAMInitSeed);

	FCEU_CheatResetRAM();
	FCEU_CheatAddRAM(2, 0, RAM);

	FCEU_GeniePower();

	FCEU_MemoryRand(RAM, 0x800);

	SetReadHandler(0x0000, 0xFFFF, ANull);
	SetWriteHandler(0x0000, 0xFFFF, BNull);

	SetReadHandler(0, 0x7FF, ARAML);
	SetWriteHandler(0, 0x7FF, BRAML);

	SetReadHandler(0x800, 0x1FFF, ARAMH);	// Part of a little
	SetWriteHandler(0x800, 0x1FFF, BRAMH);	//hack for a small speed boost.

	InitializeInput();
	FCEUSND_Power();
	FCEUPPU_Power();

	//Have the external game hardware "powered" after the internal NES stuff.  Needed for the NSF code and VS System code.
	GameInterface(GI_POWER);
	if (GameInfo->type == GIT_VSUNI)
		FCEU_VSUniPower();

	//if we are in a movie, then reset the saveram
	extern int disableBatteryLoading;
	if (disableBatteryLoading)
		GameInterface(GI_RESETSAVE);

	timestampbase = 0;
	X6502_Power();
#ifdef __WIN_DRIVER__
	ResetDebugStatisticsCounters();
#endif
	FCEU_PowerCheats();
	LagCounterReset();
	// clear back buffer
	extern uint8 *XBackBuf;
	memset(XBackBuf, 0, 256 * 256);

#ifdef __WIN_DRIVER__
	Update_RAM_Search(); // Update_RAM_Watch() is also called.
#endif