[Bug 16127] Mouse Buttons do not work in BBC Basic For Windows 5.80a

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=16127





--- Comment #5 from Richard Russell <richard at rtrussell.co.uk>  2010-06-22 12:17:30 ---
(In reply to comment #4)
> Wondering how that's an issue.  The return value is in eax, so whether it's an
> int or a short is up to your interpretation.

In Windows the return value is in eax but in Wine the return value is in ax
(only); eax is *not* guaranteed to contain the sign-extended version of what's
in ax.  This appears to have changed only in a recent version of Wine (it may
depend on how the compiler handles a return type of SHORT).

If your opinion is that Wine should be returning the result from
GetAsyncKeyState in eax (despite being defined as type SHORT) then this really
is a bug, because it's returning the result in ax.

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