anchor.diff:  asm
   {$ifdef Windows}
    // Win64 ABI to System-V ABI wrapper
  + push rsi
  + push rdi
    mov rdi,rcx
    mov rsi,rdx
    mov rdx,r8
  
positive.code: 
  const FLREVersion=$00000004;
  
        FLREVersionString='1.00.2018.12.02.15.37.0000';
  
        FLREMaxPrefixCharClasses=32;
  
  
negative.code:  jc @Fail
   add rax,rdx
  @Done:
  {$ifdef Windows}
   pop rdi
   pop rsi
  {$endif}
  end;
  
  function PtrPosCharSetOf4(const SearchChar0,SearchChar1,SearchChar2,SearchChar3:TFLRERawByteChar;const Text:PFLRERawByteChar;TextLength:TFLREInt32;Offset:TFLREInt32=0):TFLREPtrInt;
  