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Old 13 January 2021, 19:51   #4
Toni Wilen
WinUAE developer
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 46
Posts: 24,796
WinUAE sets FPIAR if it is FTRAPcc, FDBcc or FScc (possibly only in 4.5 betas).

I don't think all unsupported instructions set it but I can check it later this week using my tester (only generate FPU instruction tests that generate unsupported exception).
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