the interrupt pending flag can be read via RR0.Bit1 of channel A only
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No info if the The DART/SIO interrupt signal is known to be connected to the CPC hardware, probablyon the original Amstrad CPC serial interface.It is unknown if this is thecase on the later revision or 3rd party interfaces. Usage of native Z80 peripheral interrupts is complicated by their knowledgeof CPU interrupt acknowledge signals which conflict with the Gate Arrayinterrupts. A workaround is documented in the firmware guide appendix 13. it isn't?
[[Category:Datasheet]]