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Re: Illegal instruction

Noah Aklilu wrote:
> 
> On 11 May 2000, at 17:46, Art Berggreen wrote:
> 
> >
> > Not sure why your monitor didn't disassemble it, but my books indicate
> > that 0x4a89 is a TST.L A1 instruction.  This would be consistant with
> > the instructions surrounding it.
> >
> > Art
> 
> This concerns me, because the microprocessor is the one that
> would issue the illegal instruction exception not the monitor, so the
> microprocessor itself doesn't recognize the instruction.

The 68306 datasheet indicates that it supports this instruction.  Are
you sure that the CPU is taking an exception on these instructions?  The
68000 cores do have some alignment restrictions.

Art

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