Function RegisterIoHandler

source/Memory.cpp:1151–1183

All slots [0..7] must register their handlers

// All slots [0..7] must register their handlers
void RegisterIoHandler(UINT uSlot, iofunction IOReadC0, iofunction IOWriteC0, iofunction IOReadCx, iofunction IOWriteCx, LPVOID lpSlotParameter, BYTE* pExpansionRom)
{
	_ASSERT(uSlot < NUM_SLOTS);
	g_SlotInfo[uSlot].parameters = lpSlotParameter;

	// What about [$C80x..$CFEx]? - Do any cards use this as I/O memory?
	g_SlotInfo[uSlot].expansionRom = pExpansionRom;

	if (IOReadC0 == NULL)	IOReadC0 = IO_Null;
	if (IOWriteC0 == NULL)	IOWriteC0 = IO_Null;

	// Setup the r/w function pointers for I/O in the 16-byte range at: $C080+s*16
	IORead[uSlot+8]		= IOReadC0;
	IOWrite[uSlot+8]	= IOWriteC0;

	if (uSlot == SLOT0)		// Don't trash C0xx handlers
		return;

	//

	if (IOReadCx == NULL)	IOReadCx = IO_Cxxx;
	if (IOWriteCx == NULL)	IOWriteCx = IO_Cxxx;

	for (UINT i=0; i<16; i++)	// Setup the r/w function pointers for I/O in the 256-byte range: $Cs00..CsFF
	{
		IORead[uSlot*16+i]	= IOReadCx;
		IOWrite[uSlot*16+i]	= IOWriteCx;
	}

	// Setup the r/w function pointers for I/O in the range: $C800..CFFF
	g_SlotInfo[uSlot].IOReadCx = IOReadCx;
	g_SlotInfo[uSlot].IOWriteCx = IOWriteCx;
}

void UnregisterIoHandler(UINT uSlot)
{