Z80 interrupts

=IRQ=

IRQs can be generated by the, and are mostly used to time music playback.

The vector address is $0038.

They can be disabled in software (DI/EI).

=NMI=

Non Maskable Interrupts are triggered when the sends a sound command.

The vector address is $0066.

They can only be disabled through ports $08 and $18.