{ %CPU=i8086,i386,x86_64 } { %fail } { Tests the 'Cannot override ES segment' error message } {$asmmode intel} begin asm {$if defined(cpui8086)} stos byte ptr ds:[di] {$elseif defined(cpui386)} stos byte ptr ds:[edi] {$elseif defined(cpux86_64)} stos byte ptr fs:[rdi] {$endif} end; end.