From: "matthew conte" <itsbroke@...>
> there's no need to handle game pak interrupt at highest priority. only
one
> interrupt is handled per entry to the main ISR (for most usual setups), so
> giving the lowest priority is fine.

I don't follow you. Do you mean that only one bit is ever set in IF when
the BIOS calls the ISR ? That seems quite unlikely.
If this is not the case then the cart interrupt MUST be handled first
since every other interrupt handler is likely to access code or data that
resides in ROM. No ?

Cheers,
--Jonathan