protected internal override void memcpy(int destination, int source, int Length, bool checkOverlap)
{
if (Length <= 0)
{
return;
}
destination &= addressMask;
source &= addressMask;
Modules.sceDisplayModule.write(destination);
if (!checkOverlap || source >= destination || !areOverlapping(destination, source, Length))
{
NativeMemoryUtils.memcpy(memory, destination, memory, source, Length);
}
else
{
// Source and destination are overlapping and source < destination,
// copy from the tail.
for (int i = Length - 1; i >= 0; i--)
{
int b = NativeMemoryUtils.read8(memory, source + i);
NativeMemoryUtils.write8(memory, destination + i, b);
}
}
}
protected internal override void memcpy(int destination, int source, int Length, bool checkOverlap)
{
if (Length <= 0)
{
return;
}
destination &= addressMask;
source &= addressMask;
Modules.sceDisplayModule.write(destination);
if (!checkOverlap || source >= destination || !areOverlapping(destination, source, Length))
{
while (Length > 0)
{
int pageLengthDestination = System.Math.Min(pageSize - (destination & pageMask), Length);
int pageLengthSource = System.Math.Min(pageSize - (source & pageMask), Length);
int pageLength = System.Math.Min(pageLengthDestination, pageLengthSource);
NativeMemoryUtils.memcpy(memory[destination >> pageShift], destination & pageMask, memory[source >> pageShift], source & pageMask, pageLength);
Length -= pageLength;
destination += pageLength;
source += pageLength;
}
}
else
{
// Source and destination are overlapping and source < destination,
// copy from the tail.
for (int i = Length - 1; i >= 0; i--)
{
int b = read8(source + i);
write8(destination + i, (sbyte)b);
}
}
}