Patching exported functions

PatchExportedFunctions.cs

foreach (var ep in _neFile.GetAllEntryPoints().Where(x=>(x.flags & Win3muCore.NeFile.EntryPoint.FLAG_EXPORTED)!=0))
{
    // Get the segment
    var segment = segments[ep.segmentNumber - 1].globalHandle;
    var data = machine.GlobalHeap.GetBuffer(segment);

    // Shared DS?
    if ((ep.flags & Win3muCore.NeFile.EntryPoint.FLAG_SHAREDDS)!=0)
    {
        // Insert MOV AX,xxxx instruction
        data[ep.segmentOffset] = 0xb8;      
        data.WriteWord(ep.segmentOffset + 1, this.DataSelector);
    }
    else
    {
        if (!this.IsDll)
        {
            // NOP out the push ds, pop ax instructions
            data[ep.segmentOffset] = 0x90;        // NOP
            data[ep.segmentOffset+1] = 0x90;      // NOP
        }
    }
}