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

[Francois LE COAT <lecoat@xxxxxxxxx>]

Hi,

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/