LoadCodeAndDataSegments.cs

public override void Load(Machine machine)
{
    // Load all segments
    for (int i=0; i<_neFile.Segments.Length; i++)
    {
        // Get the segment
        var seg = _neFile.Segments[i];

        // Work out how much memory needed.  For the automatic data segments
        // add the size of the heap and for programs add on the stack size
        uint allocSize = seg.allocationBytes;
        if ((ushort)(i+1) == neHeader.AutoDataSegIndex)
        {
            allocSize += neHeader.InitHeapSize;
            if (!IsDll)
                allocSize += neHeader.InitStackSize;
        }

        // Allocate memory from the global heap
        seg.globalHandle = machine.GlobalHeap.Alloc(0, allocSize);
        if (seg.globalHandle == 0)
            throw new VirtualException("Out of Memory");

        // Configure the selector for "can execute" and "can write"
        seg.globalHandle = machine.GlobalHeap.SetSelectorAttributes(seg.globalHandle, 
                        !seg.flags.HasFlag(SegmentFlags.Data),          // can execute?
                        seg.flags.HasFlag(SegmentFlags.ReadOnly)        // read only?
                        );

        // Get the buffer, read the segment from the NE file
        var bytes = machine.GlobalHeap.GetBuffer(seg.globalHandle);
        _neFile.ReadSegment(seg, bytes);
    }
}