[Nasm-devel] Wrong encoding xchg

[chikangxi]

This is because XCHG has two similar encoding: xchg reg, m/r and     
xchg m/r,reg.  So 86c3 and 86d8 all is exchange contents of AL and BL.

On 28/11/2021 17:01, romek.globescs at wp.pl wrote:
> Hi,
>
> It seems nasm is wrong encoding XCHG AL, BL (and similar). It is 86C3, 
> but it should be 86D8.
>
> Romek
>
>
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