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

[Eero Tamminen <oak@xxxxxxxxxxxxxx>]

Hi,


On 12/5/20 12:32 AM, Jerome Vernet wrote:
> i can confirm the bug: FPU settings aren't working in the MacosX GUI.
> Curioulsy, only in Falcon mode.
>
> Must be a change in core hatari sources somewhere, or the bug was here
> for a while. I will take a look.

Thanks!


> Fn-F12 or F12 will display the SDL GUI, then you can change the FPU
> settings there. every modification thru MacOsX GUI will erase the setting.

If one cannot access SDL GUI and MacOS GUI is
partly broken, one can always edit Hatari config
file directly.

To enable 68882 emulation, change:
	n_FPUType = 0
line to:
	n_FPUType = 2

In "hatari.cfg" file ("[System]" section).


	- Eero
> JV
>
> Le 04/12/2020 à 08:35, Francois LE COAT a écrit :
> > Hi,
> >
> > I made a video demonstration using Hatari 2.3.0 with a Falcon030
> > at 32MHz / TOS4.04:
> >
> >      <https://www.youtube.com/watch?v=SLm5ayChv9Q>
> >
> > It's the replay of the GEM sequence "EUREKA.REC" with my software,
> > with the "RECORD.ACC" accessory. The issue is I used TOS4.04, but
> > I wanted to use EmuTOS 1.0 instead, because I know EmuTOS works with
> > appl_tplay() and appl_trecord() system calls. But when I switched
> > Hatari to boot on EmuTOS 1.0, the FPU (68882) was disabled...
> >
> >      <http://eureka.atari.org/Hatari230.png>
> >
> > So, when I start my Eureka 2.12 software, that makes usage of the FPU,
> > there's a floating point error (LineF).
> >
> > Is it a known issue ? Why is the FPU disabled when booting EmuTOS ?
> >
> > Thanks by advance for any help =)
> >
> > Best regards,