Re: [hatari-devel] SCSI emulation

[Uwe Seimet <Uwe.Seimet@xxxxxxxxx>]

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> One more thing: I assume it is not to be expected yet that ASV can be
> run? Haven't used it for ages, but developed software on it for several
> years in the early 90s.
> The attached screenshot shows the result of trying to boot from an image
> of the original Maxtor drive Atari optionally delivered instead of a tape.
> I guess I am one of the few who purchased a legal copy from Atari ;-).
> 
> > Hi Thomas,
> > 
> > With the latest sources the SCSI emulation looks much better, also with an
> > emulated TT. Launching applications from the SCSI drive is working fine.
> > Looks as if I have my first "TT" with 4 working buses now :-).
> > 
> > Great work!
> > 
> > Best regards
> > 
> > Uwe
> > 
> > > Am Sun, 2 Sep 2018 14:48:44 +0200
> > > schrieb Uwe Seimet <Uwe.Seimet@xxxxxxxxx>:
> > > 
> > > > Hi Thomas,
> > > > 
> > > > > Note that I am not booting HDDRIVER from this image, but I am
> > > > > running HDDDRIVER.PRG from C:/AUTO. Just tried to boot from the
> > > > > image, but this did not work. The log shows:
> > > > > 
> > > > > HDC: Unsupported command (t=1, lun=0, opc=8, cnt=0x1, ctrl=0x0)!
> > > > > HDC: Unsupported command (t=1, lun=0, opc=8, cnt=0x1, ctrl=0x0)!
> > > > > 
> > > > > When I map the image to SCSI ID 0 it's the same error when booting:
> > > > > 
> > > > > HDC: Unsupported command (t=0, lun=0, opc=8, cnt=0x1, ctrl=0x0)!
> > > > > HDC: Unsupported command (t=0, lun=0, opc=8, cnt=0x1, ctrl=0x0)!  
> > > > 
> > > > I'm afraid this (but not the other) problem was the result of a
> > > > slightly patched version of hdc.c I was using, one that does not
> > > > support READ/WRITE (6).
> > > 
> > > Ok, good to know. FYI, I also spotted that there are still some problems
> > > left in the way DMA transfers are emulated (e.g. when the DMA transfer
> > > size does not match the size that has been requested from the device),
> > > and write access is also not working properly yet in all cases ...
> > > so there is still a lot of work to do here :-/
> > > 
> > >  Thomas
> > > 
> > > 
> 
> 
> 
>

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