Re: [hatari-devel] Bug report: AHCC not working anymore with GEMDOS emulationHi,

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Hi,

On perjantai 28 syyskuu 2012, Matthias Arndt wrote:
> AHCC_P.TTP crashes with 2 bombs for the same .PRJ file that works from
> GUI version and without NVDI running.

Crash happens only with some specific .PRJ file?

Where it crashes?

What are the instructions (history) leading to the crash?

What "--conout 2 --trace gemdos" outputs?


	- Eero

> 
> I got latest Hatari source and fresh AHCC 4.13
> 
> Regards,
> Matthias
> 
> Am Freitag, den 28.09.2012, 12:46 +0300 schrieb Eero Tamminen:
> > Hi,
> > 
> > Matthias, could you check these with latest Hatari and AHCC
> > versions?
> > 
> > On keskiviikko 06 kesäkuu 2012, Eero Tamminen wrote:
> > > To recap, the problem is that when using *both*:
> > > - NVDI v4
> > > - GEMDOS HD emulation
> > > 
> > > AHCC command line compiler will either bomb when you try to
> > > use it, or not give any output (which?).
> > > 
> > > And the problem doesn't appear with AHCC GUI compiler, or
> > > if NVDI v4 is removed nor when using ACSI emulation instead
> > > of GEMDOS HD emulation?
> > > 
> > > 
> > > I've now tried AHCC with NVDI v2.50 and it works fine.
> > > 
> > > 
> > > Next you need to try following things:
> > > 
> > > * Start Hatari with --bios-intercept and see whether it
> > > 
> > >   outputs something extra on console in addition to stuff
> > >   you see on screen
> > 
> > Please use "--conout 2" option instead (which I added to Hatari
> > after v1.6.2 release).  And use also "--trace gemdos" so that
> > it's clear at which state things happen.
> > 
> > > * Try whether the issue happens with some other TOS
> > > 
> > >   version than v2.06, e.g. with latest EmuTOS:
> > >   http://sourceforge.net/projects/emutos/files/snapshots/CVS-20120603
> > >   /
> > 
> > Latest EmuTOS v0.8.7 release.
> > 
> > > * Try starting AHCC command line tool without arguments
> > > 
> > >   to see whether it outputs then anything / crash
> > > 
> > > * If it still crashes, go to debugger (AltGr+Pause)
> > > 
> > >   and use "setopt -D" to get to debugger when there are
> > >   exceptions, then start AHCC again and check what
> > >   happens when the crash happens:
> > >   - Is PC within AHCC or TOS ROM
> > >   
> > >     ("info basebase" tells AHCC address)
> > >   
> > >   - What instructions ("d" output) and register values
> > >   
> > >     ("r" output) caused the crash, was it e.g. NULL
> > >     pointer access in AHCC?
> > 
> > You can also use "history on" before this and then e.g.
> > "history 200" to see instructions leading to the crash.
> > 
> > 	- Eero




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