[Bug 34867] 16-bit app "parity.exe" fails on startup with divide by zero

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=34867

--- Comment #34 from Sagawa <sagawa.aki+winebugs at gmail.com> ---
I think reading FPU handler code is useful for writing Wine's code because it
tells us what the code expects in the stack.

About win87em.dll, please refer Windows 3.1 SDK document. I'm not sure whether
the document is open access. Wine's implementation is also helpful to you.

Regarding FPU exception, Intel IA-32 Architectures Software Developer's
Manual[1] is the best. FPU handling is described in Chapter 8 and Appendix D,
Volume 1.

[1] https://software.intel.com/en-us/articles/intel-sdm

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