Function MemInitialize

source/Memory.cpp:1991–2045

//===========================================================================

void MemInitialize()
{
	// ALLOCATE MEMORY FOR THE APPLE MEMORY IMAGE AND ASSOCIATED DATA STRUCTURES
	// NB. alloc memaux even if a IIe with an empty aux slot - writes still go to memaux, but reads are from floating bus
	memaux   = ALIGNED_ALLOC(_6502_MEM_LEN);	// NB. alloc even if model is Apple II/II+, since it's used by VidHD card
	memmain  = ALIGNED_ALLOC(_6502_MEM_LEN);
	memimage = AllocMemImage();

	memdirty = new BYTE[0x100];
	memrom   = new BYTE[0x3000 * MaxRomPages];

	pCxRomInternal		= new BYTE[CxRomSize];
	pCxRomPeripheral	= new BYTE[CxRomSize];

	if (!memaux || !memdirty || !memimage || !memmain || !memrom || !pCxRomInternal || !pCxRomPeripheral)
	{
		GetFrame().FrameMessageBox(
			"The emulator was unable to allocate the memory it "
			"requires.  Further execution is not possible.",
			g_pAppTitle.c_str(),
			MB_ICONSTOP | MB_SETFOREGROUND);
		ExitProcess(1);
	}

	RWpages[0] = memaux;

#ifdef RAMWORKS
	if (GetCardMgr().QueryAux() == CT_RamWorksIII)
	{
		// allocate memory for RamWorks III - up to 16MB
		UINT i = 1;
		while ((i < g_uMaxExBanks) && (RWpages[i] = ALIGNED_ALLOC(_6502_MEM_LEN)))
			i++;
		while (i < kMaxExMemoryBanks)
			RWpages[i++] = NULL;
	}
#endif

	//

	// Load the No-Slot clock state
	uint32_t hasNoSlotClock;
	REGLOAD_DEFAULT(REGVALUE_NO_SLOT_CLOCK, &hasNoSlotClock, 1);
	hasNoSlotClock ? MemInsertNoSlotClock() : MemRemoveNoSlotClock();

	//

	CreateLanguageCard();

	MemInitializeROM();
	MemInitializeCustomROM();
	MemInitializeCustomF8ROM();
	MemInitializeIO();
	MemReset();
}

void MemInitializeROM(void)
{