At 04:59 PM 7/21/99 +0200, you wrote:
>The reason why EI enabled the interrupt 1 instruction later had indeed to do
>with the interrupt. If you let the interrupt end with EI:RET then the
>interrupts will be enabled AFTER the RET, hence preventing a stack overload
>when the interrupt-routines occasionally takes too long and can't keep up
>with the interrupt itself.
Nope. That will only make a different of 1 word on the stack. That amount
won't cause an overload.
I think the reason is somewhere inside the Z80.
Bye,
Maarten
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