Re: [hatari-devel] memory config in compatibility doc

[Eero Tamminen <oak@xxxxxxxxxxxxxx>]

Hi,

On perjantai 09 tammikuu 2015, Nicolas Pomarède wrote:
> Eero, I see you added a note about "Oh! no more froggies" not working
> with more than 4 MB.

The comment is "Works only with <4MB of RAM".

> But as far as I know, STF/STE were not supposed to have more than 4 MB ;

I had 4MB in my own STFM...

Maybe comment is clearer if I state it as:
	doesn't work with 4MB
?


	- Eero

> there might be some hacks to force it 14 MB (as we do in Hatari) by
> writing directly in the TOS variables, but this is high level emulation
> of a non existing MMU config at register ff80001.
> 
> So, > 4MB should not be considered as a valid STF/STE RAM configuration.
> Maybe we could add a word about this in the doc, but we already state
> that the safer config for games/demos should be 1MB and TOS 1.02 or 1.04.
> 
> I think we can add in the compatibilty list when a game/demo requires a
> minimum amount of RAM, but telling that it should not use more than 4 MB
> seems redundant to me, as this is not a valid HW config anyway on plain
> STF/STE (and I think a lot of demos using their own trackloader and
> bypassing TOS would not work with >4 MB)