Re: [hatari-devel] Some wrong assumptions about EmuTOS capabilities

[Eero Tamminen <oak@xxxxxxxxxxxxxx>]

Hi,

On 1/17/20 8:24 PM, Thorsten Otto wrote:
> When checking for valid CPU/ROM combinations, Hatari currently assumes that
> EmuTOS can handle everything, but that is only true for the 512k version. The
> 192k versions don't have support for anything but 68000, and the 256k versions
> don't have TT support.
>
> For example i just accidently tried to use the 256k version in TT mode. That
> causes XCONTROL to crash, because EmuTOS detects a MSTE as machine-type
> (because of the missing TT-Shifter support), then xcontrol (or more precisely
> general.cpx) tries to access the cache control register at $ff8e21, and
> crashes because Hatari configured I/O for TT, were that register does not

Thanks, I committed a fix for this.

192k & 256k set 0x104 and 0x206 TOS versions, so
current checks work correctly for them as-is,
TOS version checks need to be skipped only for
512k version (it sets TOS version 0x206).


	- Eero