public MemoryPage FindPage(int address)
{
// If the address isn't out of bounds, use the same page
if (address >= m_CurrentAddressOffset && address < m_CurrentAddressBound)
{
return(m_CurrentPage);
}
// Else we need to figure out the new page to access
MemoryPage page = null;
// Check each offset address and see where address falls in range with
foreach (int offset in m_Pages.Keys)
{
// if address is >= of that key, it is a possible page
if (address >= offset)
{
// Get the reference of the page
if (m_Pages.TryGetValue(offset, out page))
{
// if the address within bounds of the page, then get it, else keep searching
if (address < (offset + page.Size))
{
m_CurrentPage = page;
m_CurrentAddressBound = offset + page.Size;
m_CurrentAddressOffset = offset;
return(page);
}
}
}
}
return(page);
}
public Memory(VirtualMachine machine)
{
m_ParentMachine = machine;
m_MemBound = 0;
m_CurrentAddressOffset = 0;
m_CurrentAddressBound = 0;
m_Pages = new Dictionary <int, MemoryPage>();
m_CurrentPage = null;
AllocatePages();
}
protected void AddManualPage(int address, MemoryPage page)
{
m_Pages.Add(address, page);
}
protected void AddPage(MemoryPage page)
{
m_Pages.Add(m_MemBound, page);
m_MemBound += page.Size;
}
