Re: [hatari-devel] Systematic launch tests

["Roger Burrows" <anodyne@xxxxxxxxxxxx>]

On 26 Mar 2017 at 22:24, Christian Zietz wrote:

> Eero Tamminen schrieb:
> 
> > And I think that has actually been the case for long time,
> > so I've been assuming that EmuTOS notices whether the disk
> > needs to be byte-swapped or not?
> 
> > This is the disk image in question, it's partitioned & formatted
> > with AHDI, I think v5:
> > 	https://hatari.tuxfamily.org/hd80mb.image.gz
> 
> Detection of byte-swapped harddisks in EmuTOS is only supported for
> those with MS-DOS style MBR/partition table: See
> <https://github.com/emutos/emutos/blob/master/bios/disk.c#L396>
> 
> The disk image above -- being partitioned with AHDI -- has an Atari
> partition table, though, and the byte order is wrong for IDE access.
> Hence it is not recognized as a valid hard disk by EmuTOS.
> 
Thanks for checking this out and saving me the time, Christian!  IIRC, there's 
no guaranteed way of detecting a byte-swapped Atari partition table, so EmuTOS 
doesn't attempt to guess.

Roger