> Sounds to me like there is an interrupt flag that you are not 
> clearing before exiting the interrupt routine. Have you 
> double checked that *all* IE flags are set to 0, and that 
> only the ones you are servicing in the ISR are set to 1? Have 
> you ensured that you are setting the IF flag to 0 in your ISR 
> for all the enabled interrupts?

Yes.

It is the stack.
I removed some calles in the main code, now it is running.
But now, my space in page 0 is very small, I need to go to page 1.

And there if have the next problem.

Using 

	pagesel	pgmcode
	goto		pgmcode

	org	0x0800
pgmcode
	.
	.
	.
	goto pgmcode


Is just hangin the system, nothing is working anymore.

My idea is to move most of the main loop to page 1, using page 0 more or
less only for the ISR ...

Best Jens

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