Re: [hatari-devel] macOS : FPU using EmuTOS

[Troed Sångberg <troed@xxxxxxxxxxx>]

If you have the Magic Keyboard that came with your iMac the Fn key is in the bottom left corner. 

/Troed

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On Fri, Dec 4, 2020 at 20:12, Francois LE COAT <lecoat@xxxxxxxxx> wrote:
>   Hi,
>
> I have a 5k 27" iMac mid-2019 under macOS Mojave, and there's no
> <fn> key on the keyboard. That's why I ask if the SDL UI is mapped ?
> F12 is augmenting the sound level, but doesn't call SDL UI ...
>
> Bob Carpenter writes:
> > I also run the macOS version. F12 is the correct key. However, if you
> > use a Mac notebook, you may have to press fn-F12 to get the SDL UI to
> > appear.
> >
> > Bob C
> >
> > Francois LE COAT wrote:
> >     Eero Tamminen writes:
> >      > Francois LE COAT wrote:
> >      >> I asked for my Falcon030 when I bought it in 1993, that it is
> >      >> equipped with a 68882. The Eureka 2.12 software that I developed
> >      >> with it, takes advantage of 68030+FPU. I know a few software like
> >      >> that : for example Euler, Fractals, Inshape III, POV-Ray etc.
> >      >>
> >      >> ARAnyM that looks very close to a Falcon enables the FPU.
> >      >> I think Hatari should enable FPU for Falcon, but it doesn't ...
> >      >
> >      > You can just enable FPU option in Hatari GUI,
> >      > save your config, and forget about it.  FPU config
> >      > option is unlikely to change, so it should persist
> >      > across Hatari updates.
> >      >
> >      > This is how it has worked since Hatari switched
> >      > to using WinAUE CPU core for Falcon emulation
> >      > around 2012, so this isn't anything recent...
> >      >
> >      >
> >      > (With oldAUE CPU core, FPU was always enabled for
> >      > 020+, because it didn't support anything else.)
> >      >
> >      >
> >      >      - Eero
> >      >
> >      > PS. Because FPU wasn't default for Falcon HW, the
> >      > question on enabling it by default would be which one? :-)
> >      >
> >      > Hatari emulates 68881, 68882, internal one, and then there are
> >     couple of
> >      > variants of those, one
> >      > using PC FPU for the emulation which is fast, but
> >      > slightly inaccurate, and accurate 100% SW
> >      > emulation which is clearly slower.
> >
> >     Jérôme Vernet who is building Hatari for macOS, advised me to
> >     use SDL GUI to enable the FPU pressing F12. But it doesn't work,
> >     and it is not documented for macOS version. I don't know how
> >     to call the SDL GUI under macOS ... I'm sorry. Is it mapped ?
>
> Regards,
>
> --
> François LE COAT
> Author of Eureka 2.12 (2D Graph Describer, 3D Modeller)
> http://eureka.atari.org/

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