Function MemGetBankPtr

source/Memory.cpp:1781–1801

Used by: . Savestate: MemSaveSnapshotMemory(), MemLoadSnapshotAux() . VidHD : SaveSnapshot(), LoadSnapshot() . Debugger : CmdMemorySave(), CmdMemoryLoad()

// . VidHD    : SaveSnapshot(), LoadSnapshot()
// . Debugger : CmdMemorySave(), CmdMemoryLoad()
LPBYTE MemGetBankPtr(const UINT nBank, const bool isSaveSnapshotOrDebugging/*=true*/)
{
	// Only call BackMainImage() when a consistent 64K bank is needed, eg. for saving snapshot or debugging
	// - for snapshot *loads* it's redundant, and worse it can corrupt pages 0 & 1 for aux banks, so must be avoided (GH#1262)
	if (isSaveSnapshotOrDebugging)
		BackMainImage();	// Flush any dirty pages to back-buffer

#ifdef RAMWORKS
	if (nBank > g_uMaxExBanks)
		return NULL;

	if (nBank == 0)
		return memmain;

	return RWpages[nBank-1];
#else
	return	(nBank == 0) ? memmain :
			(nBank == 1) ? memaux :
			NULL;
#endif
}

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