Add-SignedIntAsUnsigned.ps1
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#Used to add 64bit memory addresses function Add-SignedIntAsUnsigned { param ( [Parameter(Position = 0, Mandatory = $true)] [Int64] $Value1, [Parameter(Position = 1, Mandatory = $true)] [Int64] $Value2 ) [Byte[]]$Value1Bytes = [BitConverter]::GetBytes($Value1) [Byte[]]$Value2Bytes = [BitConverter]::GetBytes($Value2) [Byte[]]$FinalBytes = [BitConverter]::GetBytes([UInt64]0) if ($Value1Bytes.Count -eq $Value2Bytes.Count) { $CarryOver = 0 for ($i = 0; $i -lt $Value1Bytes.Count; $i++) { #Add bytes [UInt16]$Sum = $Value1Bytes[$i] + $Value2Bytes[$i] + $CarryOver $FinalBytes[$i] = $Sum -band 0x00FF if (($Sum -band 0xFF00) -eq 0x100) { $CarryOver = 1 } else { $CarryOver = 0 } } } else { Throw "Cannot add bytearrays of different sizes" } return [BitConverter]::ToInt64($FinalBytes, 0) } |