Re: [hatari-devel] SCSI emulation

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Am Sat, 1 Sep 2018 14:27:42 +0200
schrieb Uwe Seimet <Uwe.Seimet@xxxxxxxxx>:

> Hi Thomas,
> > > When running SDRVTEST (available for download on 
> > > it reported some
> > > problems with the emulation, please see the attached log.  
> > 
> > Ok, thanks a lot for the hint, I think I've found and fixed the bug
> > with the unsupported commands now. SDRVTEST now reports "OK" for a
> > SCSI drive attached with ID 0.
> > There still seem to be some problems with IDs > 0, though. E.g. with
> > the
> > driver is initially loaded, but then fails to recognize the
> > partition table. Do you know what could be wrong here?  
> Yes, things look better now. On my machine (Hatari) the partition
> table of the hddrdemo101_big_endian.img is detected and I can access
> the root directory/folder.
> Note that my copy of HDDRIVER is still configured for ID 1. Did you
> configure your copy to check SCSI ID 1? See "Devices and Partitions".
> Your problem with IDs > 0 might just be a configuration issue.

Yes, the problem went away after configuring HDDRIVER in the
corresponding way.

> What does not work for me is launching an application (HDDRUTIL.APP
> from this image) or loading one of the text files. When trying to
> launch HDDRUTIL the desktop reappears and HDDRUTIL is not started,
> and when trying to load a text file (README or LIESMICH) from that
> image, Thing reports "Diese Anwendung kann das angegebene Object
> nicht finden".
> What I noticed is that START/STOP UNIT is sent from HDDRIVER, which it
> would usually not do, unless triggered by the status returned by a
> device.

I've never seen this problem here. For example with the
hddrdemo101_big_endian.img from your website, I can also successfully
read the LIESMICH file in that image when I double-click on it on the

What options are you using? I'm starting Hatari like this:

hatari --machine falcon --tos tos404.rom -log-level debug \
  --scsi hddrdemo101_big_endian.img --trace scsi_cmd


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