Hi Andreas,

On Fri, Sep 16, 2016 at 04:23:05PM +0200, Andreas Schwab wrote:
> > ===  hatari emulator output:
> > CPU=$48f2, VBL=6379, FrameCycles=86856, HBL=387, LineCycles=168, DSP=N/A
> > $000048f2 : 4e75                               rts
> > r
> >   D0 00000008   D1 00002200   D2 00005401   D3 00961EC8
> >   D4 00000000   D5 00940020   D6 602E0206   D7 00E00030
> >   A0 00865B68   A1 00961EEC   A2 0080E000   A3 000026E4
> >   A4 000045C0   A5 000045E4   A6 00004794   A7 00000000
> > USP  00000000 ISP  00000018
> > T=00 S=0 M=0 X=0 N=0 Z=0 V=0 C=0 IMASK=2 STP=0
> 
> Given the value of SSP and the values loaded into D6/D7 (which match the
> ROM shadow at address 0), it is clear that SP was 0 at $48ea.  So it
> looks like A1 is just pointing at a block of zeros, not at a valid task
> struct.

Maybe the allocation for the task struct failed? I will check that. Thanks for
your analysis!

Matthias
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