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Re: [MiNT] 68060 emulated FPU instructions

AFAIK there's a special exception for unhandled FPU instructions. The CT60 TOS adds a handler for that vector.

On clones, I think you have to install 68881.prg, which does the same thing.

-- PeP

9 feb 2011 kl. 10.15 skrev Vincent Rivière:

> Miro Kropáček wrote:
>> Actually, fsqrt() isn't emulated but I guess the real bottleneck are
>> those trigonometrical ones.
> 
> I still have not understood at which level some FPU instructions are
> emulated on 68060.
> 
> - Inside the 68060 itself ?
> - Inside the TOS 4.04, through Line-F exception ?
> - Inside the CT60 OS, through Line-F exception ?
> 
> That's a bit mysterious...
> 
> -- 
> Vincent Rivière
> 
>